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Author SHA1 Message Date
Zakaria El Orche 829b9bf348 feat(ext-mcp): let applications put middleware on the MCP route, and document the auth split 
McpExtension built its middleware chain entirely internally, so a consumer had no
way to add rate limiting, audit logging or tracing to /mcp — routine on every other
Flash route. McpConfig.middleware(...) appends to the chain after the transport
guards and after whatever McpSecurity resolved to, so it composes with OAuth2
protection instead of replacing it, and never satisfies REQUIRED.

Docs: flash-ext-auth-core and flash-ext-auth-oidc both get a docs/ directory —
oidc had none at all, and its module README documented types that no longer exist.
Includes a migration table from flash-ext-oidc.
 2026-09-10 19:12:44 +00:00
Zakaria El Orche 9d39e24ccb refactor(ext-auth): generic sessions, shared annotation wiring, rename to flash-ext-auth-oidc 
AuthMiddleware.install(ctx, config, source) now owns the annotation processor and
the flash.auth.policy key, so a second credential source gets annotation-driven
authorization without copying the wiring. The key is public: an extension that
contributes middleware can order itself around authentication.

OidcSession becomes Session in auth-core, carrying claims, an expiry and an opaque
attribute map. OpenID Connect keeps its access, id and refresh tokens in that map
under its own keys, so renewal stays its business and core has no OAuth2 vocabulary
in it. isAccessTokenExpired() becomes isExpired(), with the 30s eager-renewal
window it always had and now a test for it.

flash-ext-oidc is renamed flash-ext-auth-oidc, matching cache-core/cache-caffeine
and data-core/data-hibernate.
 2026-09-10 19:06:15 +00:00
Zakaria El Orche c5be6ac7b8 refactor(ext-auth): extract flash-ext-auth-core out of flash-ext-oidc 
flash-ext-oidc has always held two things: the OpenID Connect protocol, and a
session/claims/authorization layer that is generic and was only ever fed by one
source. This splits them along Flash's own <domain>-core convention, the same
shape cache-core, data-core and view-core already use.

flash-ext-auth-core gets what never referenced the protocol — @Authenticated,
@RolesAllowed, @ScopesAllowed, ClaimsHolder, the claim matching, and the policy
compiled from annotations — under generic names: OidcUser is Claims, since it
never was more than a typed view over a claims map, and OidcAuthPolicy is
AuthPolicy. It was package-private while being the parameter type of a public
method, so the move also fixes that.

The new seam is CredentialSource: it resolves a request's claims, or rejects the
request the way its protocol says to. AuthMiddleware publishes the result and
matches roles and scopes against it. ClaimsHolder's writers stay package-private
— an implementation produces claims and core publishes them, so nothing outside
this module can put claims on a request that did not carry them.

flash-ext-oidc keeps discovery, JWKS, PKCE, the token endpoint, the login and
callback routes and the OpenAPI oauth2 contributor, and now registers
OidcCredentialSource. flash-ext-mcp still keys McpSecurity on finding that type
and not on AuthMiddleware: REQUIRED has to keep meaning "a real authorization
server is protecting this endpoint", not "something authenticates here".

The middleware key moves with the mechanism: flash.oidc.policy -> flash.auth.policy.

Breaking for consumers: imports move to dev.relism.flash.ext.auth, OidcMiddleware
becomes AuthMiddleware, ClaimsHolder.user()/get() become current()/map().
 2026-09-10 19:00:39 +00:00
Zakaria El Orche ea00182c7c test(ext-oidc): characterise claim matching before the auth-core split 
Pins the current behaviour of the role/scope matching that is about to move out
of OidcMiddleware: delimiter set for string claims, whole-entry comparison for
list claims, trimming, empty-requirement semantics under ALL vs ANY, and how a
claim path that walks into a non-map resolves. None of it is OIDC-specific and
none of it was covered directly.
 2026-09-10 18:48:10 +00:00
Zakaria El OrcheandClaude Sonnet 5 4feabc45d5 fix(ext-view): clear cross-engine error, propagate globals across JteExtension builder chain 
- BaseViewExtension: wrap the ViewRuntimeBridge provider collision with a message
  naming the real constraint (one view engine per FlashApp) instead of the generic
  "duplicate provider" error.
- BaseViewExtension/JteExtension: carry registered globals across JteExtension's
  immutable settings builders (templateRoot/serveStatics/staticPrefix/withStaticCors/
  staticCors). addGlobal() called before any of those used to be silently dropped,
  since each builder method returned a fresh instance with an empty globals list.
- Correct flash-ext-view-jte docs (README, architecture.md, model-and-globals.md):
  globals merge flat with one typed @param per key, not under a global.* namespace
  like Thymeleaf — the docs previously claimed the same reserved namespace for both
  engines, which doesn't match JteRuntime's actual merge behavior.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-09-09 13:31:21 +00:00
Zakaria El Orche 9de2800a83 Merge branch 'feature/ext-cache/core-and-caffeine' into feature/extensions/validation-scheduler-cache 
# Conflicts:
#	AGENTS.md
#	flash-extensions/pom.xml
#	pom.xml
 2026-09-09 12:37:52 +00:00
Zakaria El Orche dbf057f493 Merge branch 'feature/ext-scheduler/cron-and-interval-jobs' into feature/extensions/validation-scheduler-cache 
# Conflicts:
#	AGENTS.md
#	flash-extensions/pom.xml
#	pom.xml
 2026-09-09 12:37:26 +00:00
Zakaria El OrcheandClaude Opus 5 24bb10175d feat(ext-cache-core): add the caching contract and a Caffeine backend 
Split the way flash-ext-data and flash-ext-view are: cache-core defines
Cache, CacheManager, CacheSpec and CacheStats and talks to nothing;
cache-caffeine implements them in process.

    users = require(CacheManager.class).build("users", spec -> spec
            .maxSize(10_000).ttl(Duration.ofMinutes(10)));

    return users.get(id, repo::findById);

get(key, loader) is the only shape most code needs and the only one that is
hard to get right: the loader runs once per key across concurrent callers
rather than each racing its own. A null result stores nothing, because caching
absence is a decision rather than a default.

build(name, spec) is idempotent per name, so two handlers wanting one cache get
one cache without coordinating who creates it. Disagreeing about the spec
throws rather than resolving to whichever handler initialised first, which is a
bug that only surfaces under load.

recordStats() is opt-in — counting is two atomic increments per lookup, and a
cache nobody measures should not pay for numbers nobody reads. Unmeasured
caches return CacheStats.DISABLED rather than zeroes that look like a cold
cache.

Caffeine rather than a hand-rolled LRU: for genuinely low traffic
ConcurrentHashMap::computeIfAbsent is one line and needs no module at all, and
this exists for when that stops being true. W-TinyLFU admission, striped
counters and amortised eviction are not a weekend's work, and getting them
wrong yields a cache slower than no cache. The adapter is deliberately thin —
every method delegates, adding no wrapper, copy or locking of its own.

Caches are dropped through FlashContext.onClose, so values do not outlive the
app holding them. Invisible with one app per process; immediate under test.

flash-ext-cache-redis is designed but not built, and has docs only — no module,
no pom, no source. An empty module that builds an empty jar is dead weight in
the reactor. The docs record what changes once the cache can fail: get() must
decide whether to fall through to the loader, values need a codec,
invalidateAll needs a key prefix that becomes wire contract, and eviction stats
stop meaning anything. Those are decisions that want a real second replica to
check them against.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
 2026-09-09 12:30:03 +00:00
Zakaria El OrcheandClaude Opus 5 5c163b7f8d feat(ext-scheduler): add interval and cron background jobs 
jobs.every(Duration.ofMinutes(5), reports::refresh);
    jobs.cron("0 0 3 * * *", archive::sweep);

One daemon platform thread keeps time; every job body runs on a virtual thread,
so a slow job delays nothing but its own next run and cannot occupy the timer.

Cron expressions compile once into a bitmask per field — a long for seconds and
minutes, an int for the rest — so matching an instant is a shift and a mask
rather than a parse or a set lookup. Next-fire advances by the largest unit
that cannot match instead of ticking second by second, so a yearly expression
resolves in a few dozen iterations rather than thirty million. Five or six
fields, ranges, steps, lists, named months and weekdays, both Sunday encodings,
and the standard union semantics when both day fields are restricted. A
malformed expression throws when the job is registered, not when it would have
fired.

Overlapping runs are skipped, and deliberately not configurable: two copies of
one job at once is a bug in every case anyone has needed, and a flag would only
let it be set wrongly. A skipped run logs how long the previous one has been
going.

A throwing job is logged and keeps its schedule. scheduleAtFixedRate cancels
the task on first exception, silently — a job that dies at 3am and is never
heard from again is the failure this avoids.

Shutdown goes through FlashContext.onClose, so app.stop() drains HTTP first,
then gives running jobs a grace period before forcing them down. Nothing runs
after the app stops. The grace period is the only knob.

Known ceiling, marked in the source: schedules are per-instance, so two
replicas run every job twice. A distributed lock should not exist until there
is a second replica.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
 2026-09-09 12:23:34 +00:00
Zakaria El OrcheandClaude Opus 5 f68e661296 feat(ext-validation): add request validation with compiled constraints 
Standard jakarta.validation annotations, compiled once per type into a flat
check table. No configuration: constraints come from the annotations already on
your types, and ValidationException extends HttpException with status 422 so
the default handler renders it without this extension registering anything.

    record CreateUser(@NotBlank @Size(max = 80) String name,
                      @Email String email,
                      @Min(18) int age) {}

    CreateUser dto = validation.body(req, CreateUser.class);

Annotations only — Hibernate Validator's engine is deliberately absent. It
resolves constraints reflectively per call and pulls ~2 MB plus EL, which is
the per-request cost this module exists to avoid. jakarta.validation-api is
~90 KB of annotations.

The passing path allocates nothing. Constraints resolve at first use into an
opcode plus operands cached in a ClassValue, so there is no map lookup and no
lock. Fields are read through MethodHandles adapted to an exact signature —
(Object)Object for references, (Object)long for primitive integrals — so
invokeExact neither boxes nor builds the argument array Field.get and
Method.invoke allocate. Checks are a flat array walked by a tableswitch rather
than a class hierarchy behind a virtual call. @Size reads a length the object
already knows and @Email scans with indexOf, because Pattern.matcher allocates
a matcher and two int arrays per call. Messages are pre-rendered at compile
time. The violation list and the exception exist only once something fails.

@Pattern is the marked exception: its regex compiles once but matcher()
allocates per call.

Constraints are read from declared fields, so records and plain classes take
one code path — a constraint on a record component propagates to its backing
field.

Jakarta null semantics are exact: only @NotNull rejects null.

flash-ext-openapi now mirrors the same annotations into the generated schema —
minLength, maxLength, minItems, minimum, maximum, pattern, format: email and
required — via an optional jakarta.validation dependency detected at boot. A
type declares its rules once and both the validator and the published contract
read them. An explicit @Schema still wins; the bridge only fills keys nobody
set, and without the annotations on the classpath the bridge class is never
loaded.

flash-ext-jackson is optional too: validate(value) works without it, only
body(req, type) needs a codec.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
 2026-09-09 12:20:33 +00:00
Zakaria El OrcheandClaude Opus 5 fe8c6ed162 fix(core): honour HttpException status in the default exception handler 
HttpException carries the status the caller meant, and its own javadoc says
extensions map it to a structured response — but nothing did. Every one reached
the catch-all and came back as 500, including the 400s that RequestHelper
raises for a malformed query param and that flash-ext-jackson raises for an
unparseable body. A handler doing the documented thing produced the wrong
status.

The default handler now renders HttpException at its own status, in both dev
and prod modes, with the message JSON-escaped. Not pre-encoded like JSON_404
and JSON_500: the message is per-exception, and a path that already unwound a
stack does not need the allocation shaved.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
 2026-09-09 12:20:33 +00:00
Zakaria El OrcheandClaude Opus 5 58bae41f7a docs(testing): document flash-testing and the limits it deliberately keeps 
README covers the application handle, requests and assertions, service
replacement, multi-server wiring, scope, WebSockets, configuration and the
teardown ordering.

limits.md records the seven things the harness cannot do and what to use for
each: TLS, HTTP/2, WebSocket over HTTP/2, malformed requests, response framing,
the flash core module's dependency cycle, and scoped services. Each is a
consequence of a real constraint rather than an unfinished feature, so writing
them down stops the next person rediscovering them one at a time.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
 2026-09-09 12:07:55 +00:00
Zakaria El OrcheandClaude Opus 5 7785712efe test(ext-web-bundler): migrate integration test to flash-testing 
Two frontend layouts, each laid out on disk inside its own application's
configure(). The harness runs that lazily at first access, so @TempDir is
populated by then and the server for whichever test is not running never boots.

Replaces three blocks of HttpRequest.newBuilder(URI.create(...)) per test with
single-line assertions. 98 to 60 code lines.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
 2026-09-09 11:05:06 +00:00
Zakaria El OrcheandClaude Opus 5 c02459dd7c test(ext-mcp): migrate integration and security suites to flash-testing 
McpExtensionIntegrationTest: 10 stateless JSON-RPC calls against one server
config, so one class-scoped server replaces a boot per test. 117 to 85 code
lines.

McpExtensionSecurityTest: the four server configurations it exercises — AUTO
without oidc, REQUIRED with a derived resource identifier, REQUIRED with an
explicit one, and REQUIRED with advertised scopes — become four named servers
sharing one FakeOidcProvider, replacing eight boots and a freePort() helper.
151 to 128 code lines. The boot-rejection test still builds its app directly:
a harness whose job is to boot an app is the wrong tool for asserting that
booting fails.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
 2026-09-09 11:05:06 +00:00
Zakaria El OrcheandClaude Opus 5 e0ad83eb2f test(core): read bound ports back from the app instead of guessing free ones 
Every integration test picked a port by opening ServerSocket(0), closing it and
reusing the number, which races anything else on the machine between the close
and the rebind. FlashApp.port() reports the port the listener actually bound,
so the guess is gone: 18 freePort() helpers deleted, 40 call sites now pass
port(0) and read the result back.

Two ServerSocket(0) uses remain and are correct. ConnectionRunnerTest accepts
on its socket rather than using it to pick a number. H2LoadMeasurementTest
hands its port to an external nghttpd process, which has no equivalent of
port() to read back; that one is now commented to say so.

HttpServerTlsTest's two-listener case reads both back through ports().

HttpServerTest and HttpServerConcurrencyTest also move from @BeforeEach to
@BeforeAll — every test in them is read-only against the same routes, so 11 and
3 boots respectively become 1. HttpServerConcurrencyTest's lazy-compile test
keeps building its own app, since a freshly compiled router is the thing it
tests. HttpServerTest now runs 11 tests in 0.06s.

The http2 interop suites (curl, nghttp, grpcurl, h2spec), the load measurement
and the soak test are skipped without their external binaries or system
property, so those edits are compile-verified here and exercised in CI.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
 2026-09-09 11:05:06 +00:00
Zakaria El OrcheandClaude Opus 5 1c207cf94c feat(testing): boot lazily instead of eagerly in beforeEach 
beforeEach called ensureStarted(), so every FlashTest field in a class booted
for every test whether or not that test touched it — a class holding four
servers paid for four boots per test. Booting is already lazy on first access,
so the hook was only ever forcing work forward.

Neither hook starts anything now. beforeAll still records that a static field
owns the class-scoped lifecycle, which is what keeps afterEach from tearing a
class-scoped server down after the first test.

This also lets an application read @TempDir inside configure(): JUnit populates
those during instance post-processing, before the first test body but after
extension beforeEach callbacks would have fired.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
 2026-09-09 11:05:06 +00:00
Zakaria El OrcheandClaude Opus 5 fa5a025c93 test(ext-mcp): migrate McpAuthPolicyTest to flash-testing 
First migration, chosen because it is the case that drove the harness design:
a Flash app plus a FakeOidcProvider, with tokens audience-bound to the app's
own port, so the port has to be readable after boot.

Drops the racy free-port dance, the hand-rolled HttpClient plumbing and the
per-test teardown; failures now report the response body. 120 to 106 code
lines, and what remains is tool-policy assertions rather than fixture code.

The two boot-rejection tests keep building their app directly — a harness whose
job is to boot an app is the wrong tool for asserting that booting fails — but
port(0) removes freePort() from those too.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
 2026-09-09 10:22:40 +00:00
Zakaria El OrcheandClaude Opus 5 424ca31b7a feat(testing): add flash-testing, a JUnit 5 harness for Flash applications 
Boots a real app on an OS-assigned port for a test class or a single test and
hands back a client pointed at it:

    @RegisterExtension
    static FlashTest app = FlashTest.of(new BlogApp())
            .mock(UserService.class, new InMemoryUserService());

    app.get("/api/users").expectStatus(200).expectBodyContains("alice");

A field rather than an annotation, because annotation values are compile-time
constants and so could never express a second server wired from the first —
FlashTest.of(new BlogApp(auth.baseUri())). Startup is lazy, so reading
baseUri() boots that server on the spot and declaration order does the wiring,
with no dependence on JUnit's extension ordering. A static field boots once per
class, a non-static field once per test; that is stock JUnit field semantics
rather than an option to configure.

Runs against a real loopback port instead of dispatching in-process. An
in-process dispatcher would be a third copy of the routing/handler/exception
sequence that Http1Connection and Http2StreamDispatcher already duplicate, kept
in sync by hand, and it would let a test pass while the status line,
content-length or HPACK encoding was broken.

mock() installs overrides as the last extension, after everything the
application and its extensions declare, so a fake always wins. Any object is
accepted, so a hand-written fake and a Mockito mock are equally welcome and
this module depends on no mocking library — only flash and junit-jupiter-api.

Teardown cancels the client before stopping the server: HttpClient holds
keep-alive sockets open and ServerLifecycle.stop() spins until the last one
closes, so the default 15s drain would otherwise be paid on every test class.
shutdownNow rather than close(), which blocks until every operation completes
and would hang on a leaked WebSocket.

Lives at the top level, not under flash-extensions/, which holds things you
install() onto an app; this carries junit-jupiter-api at compile scope and
nothing installable should.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
 2026-09-09 10:22:40 +00:00
Zakaria El OrcheandClaude Opus 5 4a85a27648 feat(core): expose bound ports, service override, FlashApplication and close hooks 
Four small seams, each useful on its own, that together make a Flash app
testable without hand-rolled scaffolding.

- ServerHandle/ServerLifecycle/FlashApp gain port()/ports(). Listeners already
  bind in the FlashApp constructor, so port(0) resolved to a real port that
  nothing could read back; every integration test worked around this by
  opening a ServerSocket(0), closing it and reusing the number, which races
  anything else on the machine.

- FlashContext.override() replaces a binding instead of rejecting it. The
  duplicate-is-an-error rule stays everywhere else; this is the single
  deliberate exception, for swapping a service out in tests. A replacement is
  logged at INFO so misuse in production is visible.

- FlashApplication + FlashApp.apply() name an application independently of the
  port it runs on, so the same one can be booted twice. It takes FlashApp
  rather than FlashRegistrar because ws() and mount() live there. Being a
  functional interface, a lambda and a named class are the same thing.

- FlashContext.onClose() runs cleanup at stop(), children first and then in
  reverse registration order. stop() previously closed sockets and the
  executor and never touched the service graph, so a pooled DataSource was
  only ever released by JVM exit — invisible with one app per process, a leak
  per test class once a suite boots and stops many.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
 2026-09-09 10:22:23 +00:00
Zakaria El OrcheandClaude Sonnet 5 74169e40f4 feat(core): add any() route registration, warn on undocumented OpenAPI routes, log unhandled 500s
Publish Maven packages / publish (push) Failing after 3m35s
Details 
FlashRegistrar#any() registers a handler under every HTTP method for
verb-indifferent handlers (e.g. a reverse proxy). OpenApiExtension now warns
when a class-based handler has no @ApiOperation instead of silently omitting
it from the spec. AbstractRouter's default production exception handler now
logs unhandled exceptions server-side instead of only returning a JSON 500.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-31 11:56:51 +00:00
Zakaria El OrcheandClaude Sonnet 5 3d743b34ce fix(build): resolve fpr-core from Gitea, not the dead maven.relism.dev
Publish Maven packages / publish (push) Successful in 2m3s
Details 
maven.relism.dev is down. fpr-core's source (FastPathRouter) now publishes
to Gitea's own Maven registry via its own publish-maven.yml, same pattern
this project already uses for itself — point <repositories> there and bump
the pinned fpr-core version to the first build actually published there
(1.1.0-36216cd). Full reactor build + test suite green against the new
resolution.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-20 11:10:50 +00:00
Relism f8e0a1d3fa Merge pull request 'fix(http2): close a streaming response body on every exit path' (#13) from hotfix/http2-response-writer-stream-leak into master
Publish Maven packages / publish (push) Successful in 2m9s
Details 
Reviewed-on: #13
 2026-08-14 23:02:30 +00:00
Relism 5954cac66c Merge pull request 'fix(websocket): mask outgoing CLOSE frames in client mode' (#12) from hotfix/ws-close-frame-masking into master
Publish Maven packages / publish (push) Canceled after 7s
Details 
Reviewed-on: #12
 2026-08-14 23:02:12 +00:00
Zakaria El OrcheandClaude Sonnet 5 e5bec59410 fix(http2): close a streaming response body on every exit path 
Http2ResponseWriter.streamBody (a streaming response's InputStream, driven
across startFlowControlled/resume as flow-control windows allow) was never
closed anywhere -- not on clean EOF, not on a write failure, not when the
stream is abandoned (RST_STREAM from the peer, connection teardown). Same
bug Http1ResponseWriter had before cf16be0, just never given the same fix: a
handler stream that releases a held resource (a pooled backend connection,
for a reverse proxy) from close() leaks it under any real amount of stream
resets or aborted connections.

- appendData closes streamBody once `end` is reached (clean completion) and
  on any IOException from the read itself, mirroring Http1ResponseWriter's
  relayAndClose/writeChunkedAndClose reasoning.
- New Http2ResponseWriter#abort(), called from Http2Stream#cancel() --
  symmetric with that method's existing http2Body.cancel() for the inbound
  leg, now covering the outbound one too. cancel() is the single hook every
  abandoned-stream path (RST_STREAM handling and connection teardown in
  Http2Connection, plus Http2StreamDispatcher) already goes through, so this
  covers every abort case without adding a new one.

closeStreamBodyQuietly() is idempotent (nulls streamBody after closing), so
the appendData and abort() close paths can't double-close or race.

Four new Http2ResponseWriterTest cases: normal completion in one call,
completion across a resume() (multiple flow-control windows), abort() while
still streaming, and abort() as a no-op on a non-streaming response. 697/697
flash-module tests green.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011LLwcyHUnbApCrY33gvgoa
 2026-08-14 22:51:16 +00:00
Zakaria El OrcheandClaude Sonnet 5 901da954a9 fix(websocket): mask outgoing CLOSE frames in client mode 
WebSocketSession.close(int) hand-wrote a raw, always-unmasked 4-byte CLOSE
frame, bypassing writeFrame's maskOutgoing handling that sendText/send/
sendPong already go through correctly. A client-mode session (maskOutgoing
true — WS-client usage, e.g. Pathway's UpstreamWebSocketConnector relaying a
proxied client's close to a backend) therefore sent an RFC-6455-invalid
unmasked frame.

This was latent until this same HTTP/2 branch's readFrame rewrite added the
receive-side masking check RFC 6455 §5.1 requires: a strict peer now rejects
the malformed frame with WebSocketProtocolException("client frame must be
masked") before ever exposing it as a CLOSE, silently dropping the close
instead of relaying it — reproduced end to end via Pathway's
ProxyWebSocketIntegrationTest.clientCloseIsForwardedToTheBackend.

close(int) now builds its 2-byte payload and calls the same writeFrame path
every other outgoing frame uses, so masking (or not) follows maskOutgoing
automatically. Existing server-mode close_setsClosedAndWritesFrame is
unchanged (byte-for-byte identical output — no mask bit, no key). Added
close_masksWhenActingAsClient (mirrors the existing sendText coverage) and a
round-trip regression, readFrame_acceptsCloseFrameWrittenByAClientSession,
that reproduces the actual bug: a client session's close() output fed
straight into a server session's readFrame().

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011LLwcyHUnbApCrY33gvgoa
 2026-08-14 22:46:59 +00:00
Relism 787ae610d4 Merge pull request 'fix(ext): update stale HeaderMap references to Http1HeaderMap' (#11) from hotfix/header-map-rename into master
Publish Maven packages / publish (push) Successful in 2m36s
Details 
Reviewed-on: #11
 2026-08-14 18:27:13 +00:00
Zakaria El OrcheandClaude Sonnet 5 b5ff5a4c1f fix(ext): update stale HeaderMap references to Http1HeaderMap 
HeaderMap was split into the HeaderView interface and Http1HeaderMap
impl in the HTTP/2 model refactor, but two extension-module tests
(flash-ext-jackson, flash-ext-view-jte) still referenced the old
class name, breaking the CI build on master after the HTTP/2 PR merge.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01JCmqb7XGb3JQvCWf589yma
 2026-08-14 18:25:42 +00:00
Relism 2078dea54f Merge pull request 'feat(core): HTTP/2 support, correctness fixes, and doc reorganization' (#10) from feature/core/http2 into master
Publish Maven packages / publish (push) Failing after 53s
Details 
Reviewed-on: #10
 2026-08-14 18:20:30 +00:00
Zakaria El Orche a0dda8e47a refactor(core): remove out-of-scope HTTP/2 client/proxy, reorganize docs, refresh README 
HttpProxy and Http2Client (719 LOC) shipped a reverse-proxy adapter and outbound HTTP/2
client from flash core with zero callers anywhere in the server itself — only each
other and their own tests. An HTTP/1.1+2 server framework has no business bundling an
outbound client; that capability belongs in its own flash-extensions/flash-ext-*
module if/when it's needed. Removed, along with the now-dead src/bench load driver
that depended on Http2Client (no replacement client written here — flagged as
follow-up work, not silently dropped).

docs/http2/ had accumulated core, cross-protocol documentation alongside genuine
HTTP/2-protocol internals: HTTP1-HARDENING, TRANSPORT, MESSAGE-MODEL,
TRAILERS-AND-STREAMING and BYTES all describe machinery HTTP/1.1 and HTTP/2 share, not
HTTP/2 specifically. Moved to a new docs/core/, leaving docs/http2/ to the protocol
layers, wire internals and operational docs that are actually HTTP/2-specific.
CLEARTEXT-AND-PROXY.md renamed to CLEARTEXT.md and its now-removed upstream-client
section cut, matching the source removal above.

README.md: removed the "HTTP/2 upstream proxy" section (documented the deleted
HttpProxy/Http2Client), the flash-bench module row and build command (not a module
that exists in this repo), and fixed every doc link to the new docs/core/ paths.
Added the new FlashConfiguration.maxConnections field to the configuration reference.

src/bench/ (a load-test harness distinct from the JMH suite, not wired into any Maven
profile or CI) is committed here for the first time.
 2026-08-14 18:13:03 +00:00
Zakaria El Orche cf16be08c0 fix(core): fix HTTP/2 rate-limiter false positives, connection-flood OOM, and a streaming-body leak 
Targeted stress testing under this branch's HTTP/2 work surfaced four independent
production bugs, each verified with a before/after load test and a regression test:

- Http2Limits.MAX_STREAMS_CREATED_PER_INTERVAL (400/10s) rejected legitimate
  high-concurrency HTTP/2 clients as if they were CVE-2023-44487 rapid-reset abuse —
  h2load's default pattern alone triggered 40-92% request failure. Raised to 100,000,
  matching MAX_STREAMS_PER_CONNECTION's existing lifetime budget; the RST_STREAM-rate
  counter remains the precise defence against the actual attack signature.

- Flash had no connection-admission control anywhere: AcceptLoop accepted every TCP
  connection unconditionally, so a connection flood (h2load -c 400) ran the JVM out of
  heap and crashed with OutOfMemoryError, killing even unrelated daemon threads.
  TransportLimits.defaultMaxConnections() auto-scales a cap from Runtime.maxMemory();
  ConnectionRunner.accept() enforces it before any per-connection state (TLS handshake
  included) is created. Verified surviving 42x the admission limit under both cleartext
  and TLS load with bounded RSS.

- Http1ResponseWriter never closed a handler's streaming response body on a write
  failure (e.g. the client disconnecting mid-transfer) — only on a clean EOF. A handler
  whose stream releases a held resource (a pooled backend connection, for a reverse
  proxy) from close() leaks it under any real amount of client disconnects. Now closed
  on every exit path, matching InputStream#close()'s own idempotency contract.

- Http2StreamState.transition() called the enum's values() every state transition;
  values() clones a fresh array on every call. Cached once, removing ~10.76% of
  allocations measured live under load.

695 -> 698 tests (three new regression tests), all passing.
 2026-08-14 18:12:46 +00:00
Zakaria El Orche 825bdfc942 docs(core): document HTTP/2 operation and architecture 2026-08-13 21:39:37 +00:00
Zakaria El Orche 3679eed74a feat(core): add HTTP/2 performance gates 2026-08-13 21:29:21 +00:00
Zakaria El Orche 6386264a1e test(core): add HTTP/2 compliance suite 2026-08-13 20:51:35 +00:00
Zakaria El Orche f3011ffdf6 feat(core): add WebSocket over HTTP/2 2026-08-13 20:18:05 +00:00
Zakaria El Orche 3c1eb0d0df feat(core): add HTTP/2 cleartext proxy support 2026-08-13 20:00:59 +00:00
Zakaria El Orche 5755ef77fe feat(core): harden HTTP/2 abuse resistance 2026-08-13 19:40:52 +00:00
Zakaria El Orche ee90ac44ff feat(core): add HTTP trailers and push streaming 2026-08-13 19:23:26 +00:00
Zakaria El Orche 8d5340a0b4 feat(core): add HTTP/2 flow-controlled bodies 2026-08-13 19:00:19 +00:00
Zakaria El Orche c96d51f7ea feat(core): add HTTP/2 stream dispatch 2026-08-13 18:33:04 +00:00
Zakaria El Orche 9391f80f76 feat(core): add HTTP/2 response path 2026-08-13 18:04:22 +00:00
Zakaria El Orche cfa192e689 feat(core): add HTTP/2 connection state machine 2026-08-13 17:49:20 +00:00
Zakaria El Orche 95c33e7bf2 feat(core): add HPACK decoder 2026-08-13 17:17:29 +00:00
Zakaria El Orche f47f53c355 feat(core): add HPACK coding primitives 2026-08-13 16:48:47 +00:00
Zakaria El Orche 885c450f6b refactor(core): unify HTTP protocol package boundaries 2026-08-13 16:24:23 +00:00
Zakaria El OrcheandClaude Sonnet 5 d882ea255c feat(core): HTTP/2 Phase 6 — Request/Response model refactor 
Pools Request/RequestBody/RequestLine/Response per connection (EX-20..EX-24),
following the same reset()/dev-mode-guard idiom Http1HeaderMap already used.
HeaderMap splits into HeaderView (interface) + Http1HeaderMap (impl, DEC-22).
Response gains byte-level structured headers, PreEncodedHeader, and
ResponseSerializer as the single source of truth for a response's header
sequence, consumed by Http1ResponseWriter's single-bulk-write rewrite (EX-27).
ByteTemplate gets O(1) slot lookup plus a buffer-writing overload (EX-28).
Multipart audited: three resource-exhaustion gaps found and fixed — unbounded
buffered part size, part count, and per-part header parsing (EX-38..EX-40) —
and boundary length confirmed already bounded (EX-41).

Re-measuring RequestPipelineBenchmark after the pooling work surfaced one more
per-request allocation underneath it (RequestParser building fresh
RequestByteViews every call) and, while checking the phase's own DoD text, an
unbounded Response.header(...) loop hazard neither had a limit — both fixed
(EX-42, EX-43). The h1 zero-alloc contract now holds: parseAndRoute measures
0.008 B/op (JMH noise floor), down from Phase 4's 120.008 B/op (DEC-20, DEC-23).

MESSAGE-MODEL.md records the pooling model; README gains an "Object lifetime"
section documenting the do-not-retain-past-the-handler contract. 503/503 tests
green.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-13 15:26:08 +00:00
Zakaria El OrcheandClaude Sonnet 5 0e1bbed42c feat(core): HTTP/2 Phase 5 — frame layer 
Implements HTTP/2 frame reading, validation, and writing: FrameType (the
10 RFC 9113 types + per-type validation descriptor), FrameFlags (with
the deliberate END_STREAM/ACK bit collision documented), FrameHeader (a
flyweight, never allocated per frame), Http2FrameReader (length-prefixed
reader over BufferedByteSource, mirroring RequestParser's buffer/
compaction discipline), FrameValidator (table-driven, specific RFC error
code per violation -- not a uniform code per type), Padding (RFC 9113
6.1/6.2), and FrameWriteBuffer (beginFrame/endFrame length back-patching
over Phase 4's ByteWriter).

All 10 frame types round-trip correctly; every RFC-mandated rejection
has its own test asserting the specific error code; the reader is
fuzz-tested against 10,000,000 random inputs (~14s). The zero-alloc
contract is measured, not asserted: reading + validating + consuming a
frame is 0.002 B/op, writing one is ~10^-4 B/op -- both indistinguishable
from zero (DEC-21).

Found and fixed EX-37 while writing Http2FrameReaderTest: BufferedByteSource's
deadline mechanism (EX-07's actual fix) NPE'd against a null socket, which
every isolated unit test in this codebase uses -- it had zero dedicated
test coverage of its own. Fixed to treat a null socket as "no OS-level
timeout to bound" rather than a misuse, and given BufferedByteSourceTest,
which did not exist before.

449/449 tests green, both with and without -Pjmh.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-13 14:25:12 +00:00
Zakaria El OrcheandClaude Sonnet 5 704a00a551 feat(core): HTTP/2 Phase 4 — byte-layer foundations 
Builds dev.relism.flash.bytes: ByteScan (scanning/comparison/hashing,
scalar + SWAR, property-tested against each other on every boundary and
20,000 random fuzz trials each), ArrayBackedByteView/SegmentedByteView
capability hierarchy, PooledSlice/SlicePool, ByteWriter, Pairs.

Cashes in the allocation and scanning wins the existing code left on the
table: EX-04 (word-at-a-time router matching, verified directly against
fpr-core's own ByteCompare), EX-05 (pooled views replacing per-call
anonymous ByteView allocations in HeaderMap/QueryParams/PathParams),
EX-09 (HeaderMap index built once per reset() instead of rescanning per
lookup), EX-19 (reusable PathParams on the router's per-connection
scratch), EX-25/EX-26 (single-allocation String construction), EX-33
(SWAR header-terminator scan in RequestParser).

Also closes EX-06's router half, missing from this phase's own EX-item
list in the plan (same class of omission DEC-12 recorded for Phase 1):
FastPathRouterImpl/FastPathWsRouterImpl's ThreadLocals (unbounded under
one-virtual-thread-per-connection) are replaced by an opaque,
caller-owned per-connection scratch object (AbstractRouter#newScratch),
not by extending ConnectionScratch as its own Javadoc originally assumed
-- that would have created transport's first dependency on routing in
the reverse direction. Full rationale in DEC-19.

Every optimization is measured, not asserted (DEC-20): SWAR scan 35.4%
faster than scalar, kept; EX-04's word-path 32.1% faster than
byte-at-a-time at the mechanism level, kept for its real future
consumers even though today's router doesn't yet route through it
(MethodPathByteView stays deliberately non-array-backed, per the plan's
own text). Router matching itself is ~0 B/op including parametric
routes. The full h1 pipeline is not literally 0 B/op yet -- 120 B/op is
Request/RequestBody/RequestLine construction, honestly attributed to
Phase 6's explicit scope rather than hidden.

395/395 tests green, both with and without -Pjmh.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-13 14:07:29 +00:00
Zakaria El OrcheandClaude Sonnet 5 2bf261e4e2 feat(core): HTTP/2 Phase 3 — serialized frame writer (GO/NO-GO gate) 
Implements the connection-level serialized frame writer per the plan's
go/no-go gate: tryLock() fast path with an intrusive Vyukov-style MPSC
fallback under contention, ReentrantLock throughout (never synchronized),
and a scan-based write-timeout reaper.

All four gate criteria met and measured: N=1 0 B/op and 42.6 ns overhead
(<=50 ns budget); N=64 65.5% throughput retention (>=60%) and 11.8-14.2 us
p999 (<1 ms); no carrier pinning; stress test 10,000/10,000 green across
1000 iterations x 5 concurrency levels x 2 scheduler configs. Compared
against plain-lock and dedicated-thread designs with real benchmark
numbers, not assertion. Full methodology and results in WRITER.md, DEC-09.

Also fixes a real regression found while resuming this work: the JMH
benchmark broke plain `mvn test` (no -Pjmh) because it lived in
src/test/java, which Surefire's test discovery loads regardless of
whether a class is ultimately selected as a test. Moved to a dedicated
src/jmh/java source root registered only under the jmh profile
(build-helper-maven-plugin), per DEC-17.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-13 14:05:01 +00:00
Zakaria El OrcheandClaude Sonnet 5 a315e1df8b feat(core): HTTP/2 Phase 2 — transport decomposition 
Breaks HttpServer (563 lines, eleven responsibilities) into named,
single-purpose components and introduces the ConnectionProtocol seam
HTTP/2 plugs into starting Phase 8, per
flash/docs/http2/IMPLEMENTATION-PLAN.md Phase 2.

New packages:
- dev.relism.flash.transport: TransportFactory (composition root, EX-34),
  ListenerBinder, BoundListener, TransportTuning, AcceptLoop,
  ConnectionRunner (per-connection setup/teardown), ConnectionProtocol
  (the h1/h2 seam), ConnectionContext, ConnectionScratch + ScratchPool
  (EX-06), ServerLifecycle (implements ServerHandle; start/stop/graceful
  shutdown, EX-32).
- dev.relism.flash.http1: Http1Connection (the keep-alive request loop,
  implements ConnectionProtocol), Http1ResponseWriter, Http1KeepAlive
  (the shared Connection-header token-list scanner, EX-13).
- dev.relism.flash.websocket additions: WebSocketUpgrade (detection +
  handshake), WebSocketLoop (session loop), WebSocketProtocolException.

Existing-code defects fixed (EX-nn):
- EX-01: WebSocketSession's two blocking-write sites use ReentrantLock
  instead of synchronized (out) -- a virtual thread blocking inside
  synchronized pins its carrier platform thread on Java 21.
- EX-06: HttpServer's three ThreadLocals (SHA1, LONG_BUF,
  STREAM_RELAY_BUFFER) replaced by ConnectionScratch, pooled via
  ScratchPool instead of one-per-virtual-thread (i.e. one-per-connection)
  growth. The router's ThreadLocals are deliberately deferred to Phase 4
  per this EX item's own phasing -- see DEC-15 for the plan-wording fix.
- EX-11: WebSocketSession.readFrame's extended-length and mask-key bytes
  are now read in a single bounded readFully instead of one at a time.
- EX-12: full RFC 6455 frame validation -- continuation-frame
  reassembly, mandatory masking-direction enforcement, opcode
  validation, control-frame constraints (not fragmented, <=125 bytes),
  and WebSocketProtocolException carrying the correct close code (1002
  protocol error, 1009 message too big).
- EX-13: Connection header token-list scanning shared between the
  keep-alive decision and the WebSocket upgrade check.
- EX-14: HEAD responses report Content-Length but write no body.
- EX-15: Content-Type omitted when empty; Content-Length and the body
  omitted entirely for 204/304/1xx responses.
- EX-16: Date header (dev.relism.flash.http.DateHeader), refreshed once
  per second by a shared daemon thread; FlashConfiguration.sendDate.
- EX-32: two-stage graceful shutdown -- stop accepting, force
  Connection: close on the response an in-flight handler is still
  producing (re-checked after the handler runs, not just before
  dispatch, so a shutdown beginning mid-handler is still honoured),
  drain up to shutdownDrainTimeoutMs, then force-close.
- EX-34: ServerHandle.create delegates to TransportFactory instead of
  constructing HttpServer directly.

Two plan corrections recorded: DEC-15 (Phase 2's "no ThreadLocal
anywhere" DoD line contradicted EX-06's own multi-phase assignment --
corrected to match the registry) and DEC-16 (no separate
WebSocketFrameCodec class this phase; the EX-11/EX-12 fixes stay inside
WebSocketSession, which is one cohesive state machine under R6's own
carve-out -- revisit at Phase 15 if RFC 8441 needs the decoupling for
real).

HttpServer.java deleted.

311/311 tests green (flash module), run three times for stability of
the wall-clock-based timeout/shutdown tests. Whole-repo build green.
h1 benchmark regression check remains unverified in the plan's DoD (no
JMH harness until Phase 3, same caveat as Phase 1).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-13 12:03:44 +00:00
Zakaria El OrcheandClaude Sonnet 5 5a2aaf5a07 feat(core): HTTP/2 Phase 1 — HTTP/1.1 hardening and protocol negotiation 
Fixes the request-smuggling and resource-exhaustion debt in the existing
HTTP/1.1 parser, and adds the ALPN/h2c-preface negotiation seam so a
connection's protocol is decided once, before any request is parsed, per
flash/docs/http2/IMPLEMENTATION-PLAN.md Phase 1.

Existing-code defects fixed (EX-nn):
- EX-02: reject Content-Length + Transfer-Encoding together (RFC 9112 6.1
  CL.TE/TE.CL smuggling), and conflicting duplicate Content-Length values.
- EX-03: strict, overflow-safe Content-Length parsing, replacing a parser
  that silently skipped non-digit bytes ("5abc" -> 5, "-1" -> 1).
- EX-07: header-read / idle-keep-alive / body-read timeouts enforced by an
  absolute deadline (dev.relism.flash.transport.BufferedByteSource), not
  merely Socket#setSoTimeout, which never trips against a peer trickling
  one byte per read within the window.
- EX-08: header count / name length / value length / request-line length
  bounds (Http1Limits), 431 on violation.
- EX-10: ChunkedInputStream now reads through BufferedByteSource instead
  of the raw unbuffered socket stream, and the header-parser's read-ahead
  bytes are handed over via a zero-copy prependOnce() instead of a
  SequenceInputStream/ByteArrayInputStream pair.
- EX-17: HttpStatus's status-code bound is computed from values() instead
  of a hand-maintained constant that silently threw
  ArrayIndexOutOfBoundsException when a code above it was added; added
  421, 431, 505, 507, 511 and others HTTP/2 and this hardening need.
- EX-18: bare-CR desync and obsolete line folding rejected.
- EX-30: the TLS handshake is forced explicitly, under a timeout, before
  any protocol decision -- SSLSocket#getApplicationProtocol() returned
  null until the handshake had run, and nothing previously forced it.
- EX-31: TLS 1.2 cipher suites on the RFC 9113 Appendix A blocklist are
  filtered out of a listener's enabled set whenever it offers h2 via ALPN.
- EX-35 (found in this phase): Transfer-Encoding values listing multiple
  codings ("gzip, chunked") were silently treated as not chunked at all,
  corrupting the message boundary -- only the whole value was compared.
- EX-36 (found in this phase): a header line with no ':' was silently
  skipped instead of rejected.

New:
- dev.relism.flash.transport.BufferedByteSource: the single buffered,
  deadline-aware, peekable view over a connection's inbound bytes.
- dev.relism.flash.transport.ProtocolNegotiator/NegotiatedProtocol: ALPN
  and h2c prior-knowledge detection. In this phase an H2 result is always
  closed cleanly -- there is no Http2Connection to hand off to until
  Phase 8. FlashConfiguration.http2Enabled gates the h2c preface peek.
- dev.relism.flash.exceptions.MalformedRequestException: a typed,
  status-carrying rejection distinct from HttpException, caught at the
  parse site so a malformed request never reaches the handler chain or
  the user's exception handler, and the connection is always closed.

Two small plan-document corrections recorded as DEC-12 (Phase 1's Files
list omitted BufferedByteSource.java and MalformedRequestException.java;
the request-line-length check description pointed at the wrong offset).
DEC-13/DEC-14 record the deadline and exception-hierarchy designs.

277/277 tests green (flash module), run twice for stability of the new
wall-clock-based HttpServerTimeoutTest cases. Whole-repo build green.
h1 benchmark regression check is left unverified in the plan's DoD: no
JMH harness exists yet (Phase 3 deliverable).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-13 11:40:03 +00:00
Zakaria El OrcheandClaude Sonnet 5 db6e4a4d0c feat(core): HTTP/2 Phase 0 — groundwork (limits, error model, decision log) 
Establishes the package layout, limits/error model and decision-log
convention that every later HTTP/2 phase depends on, per
flash/docs/http2/IMPLEMENTATION-PLAN.md Phase 0.

- dev.relism.flash.h2: package-info (architecture overview), Http2ErrorCode
  (the 14 RFC 9113 §7 codes with precomputed 4-byte wire encodings),
  Http2Exception (connection error -> GOAWAY) and Http2StreamException
  (stream error -> RST_STREAM), neither extending IOException, both with
  stack-trace capture disabled on the hot rejection path.
- Http2Limits: every bound Phase 0 requires (concurrent streams, frame
  size, header list size, CONTINUATION/reset/settings/ping rate bounds,
  flow-control windows, HPACK table size/string length, assembly and idle
  timeouts), each documented with the attack or RFC clause it addresses.
- dev.relism.flash.http.Http1Limits: the h1 bounds needed by EX-03 (strict
  Content-Length) and EX-08 (header count/size limits).
- flash/docs/http2/DECISIONS.md seeded with DEC-01..DEC-11 (the ten
  decisions implied by the plan itself, plus DEC-11 recording that commits
  keep scope `core` rather than adding `h2` to AGENTS.md).
- flash/docs/http2/IMPLEMENTATION-PLAN.md: added the Progress Ledger
  (tracks phase status across sessions) and checked off Phase 0's DoD.

19 new tests, full flash module suite green (226/226).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-13 10:59:49 +00:00
Relism 8f1f30b973 Merge pull request 'fix(data): fire transaction synchronizations, and scope them to their transaction' (#9) from fix/tx-synchronizations into master
Publish Maven packages / publish (push) Successful in 1m53s
Details 
Reviewed-on: #9
 2026-08-12 23:37:36 +00:00
Zakaria El OrcheandClaude Opus 5 c5179146c0 docs(data): write the data-layer docs in English 
The three data modules' docs were in Italian, so the synchronization contract
added in the previous commit went in as Italian too, to match its file. English
is the project's language for docs, comments and READMEs alike, and a file half
in each is worse than either — so all three are translated, not just the new
section.

Content is otherwise unchanged, except the "synchronizations run on
commit/rollback" line in the two backend READMEs, which was vague before and is
now accurate about which hook sees the session/connection still bound, pointing
at flash-ext-data-core's README for the full contract.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
 2026-08-12 23:36:11 +00:00
Zakaria El OrcheandClaude Opus 5 0194470c1f feat(data): actually invoke TxSynchronization.beforeCommit, and document the contract 
beforeCommit(boolean) has been part of the TxSynchronization API from the
start and was invoked by nothing, in either manager — anyone implementing it
got silence, the same failure class as the dropped afterCommit callbacks in
the previous commit. Left out of that one because fixing it is a design
decision rather than a restored behaviour; this is that decision, written
down.

It now runs immediately before the real commit, with the transaction still
active and its session/connection still bound, which is the whole reason to
have a hook on this side of the commit: it can still write through the same
resource and land in the same atomic unit. Skipped when the transaction is
already rollback-only, since there is no commit to precede.

Throwing from it vetoes the commit: the transaction rolls back, the surviving
callbacks hear ROLLED_BACK, and the exception propagates. Without that, a hook
running before the commit would be strictly less useful than one running
after. A commit that fails on its own now takes the same path instead of
completing silently with no callback at all, and a rollback that also fails is
attached as a suppressed exception rather than replacing the one that explains
the failure.

Documented on the interface itself and in flash-ext-data-core/docs/README.md:
which hook sits on which side of the commit, what each may still touch, what
throwing does, and the per-transaction scoping rule from the previous commit.

Tests: 6 more (3 per manager) — runs inside the transaction with the resource
still bound, receives the read-only flag, skipped on a rollback-only
transaction, and vetoes the commit when it throws. 37 across the two managers
now, all green, reactor verify passes the 80% Jacoco gate.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
 2026-08-12 23:33:05 +00:00
Zakaria El OrcheandClaude Opus 5 7299490d0d fix(data): fire transaction synchronizations, and scope them to their transaction 
Two defects in the same mechanism, both silent.

1. HibernateTxManager#commit fired synchronizations *after* its finally block,
   where cleanupIfIdle() had already called ResourceRegistry.cleanup() and
   removed the ThreadLocal list holding them. fireSynchronizations() then read
   a freshly initialized empty list and did nothing. No afterCommit callback
   had ever run on the Hibernate path: no exception, no log, just silence.
   rollback() twenty lines below had the order right, which is what makes this
   an ordering slip rather than a design choice.

   Found in production, from the far end: an admin write landed in Postgres
   while the in-memory cache it was registered to refresh never heard about it,
   so the change only took effect when the process restarted and re-read the
   database at boot.

2. Synchronizations were a single flat per-thread list, fired from index 0 by
   whichever transaction completed first. A REQUIRES_NEW inner transaction
   therefore fired the *suspended* outer transaction's callbacks too — early,
   with the inner transaction's outcome, for a transaction that might still
   roll back. Each new transaction now records how many synchronizations were
   already registered when it began, and fires only its own tail.

Both managers get the fix and the same callback ordering: unbind the session or
connection first, so a callback that opens its own transaction (a cache reload,
an outbox drain) gets a fresh one instead of joining the transaction that just
committed, then fire, then clean up.

Also fixes JdbcTxStatus rejecting a null connection, which turned the two
propagations that deliberately produce a connectionless status — SUPPORTS with
no active transaction, and NOT_SUPPORTED — into an NPE inside begin(). The
Hibernate manager always allowed it, and resource() already reports the real
mistake with a message that names it.

Tests: 16 new across the two managers, kept deliberately parallel since the two
are interchangeable behind TxManager — synchronization firing, ordering,
per-transaction scoping, callbacks opening their own transaction, and the
previously untested SUPPORTS/NOT_SUPPORTED/MANDATORY propagations. Nothing
covered afterCommit before, which is how both defects shipped.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
 2026-08-12 23:23:47 +00:00
Zakaria El OrcheandClaude Sonnet 5 88ac3c3d1f fix(build): don't skip deploying flash-extensions' own POM
Publish Maven packages / publish (push) Successful in 2m2s
Details 
Its maven-deploy-plugin was configured with <skip>true</skip>, so the
first successful publish-maven.yml run deployed flash-parent, flash,
and every flash-ext-* jar to Gitea's Maven registry, but not
flash-extensions itself — the pom-packaging aggregator every
flash-ext-* submodule's effective POM inherits from via <parent>.
Remote consumers (Pathway's Docker build, resolving flash-ext-* from
the registry instead of a local ~/.m2 install) couldn't resolve that
parent POM and failed with "artifacts could not be resolved:
flash-extensions:pom (absent)".

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-12 20:30:12 +00:00
Zakaria El OrcheandClaude Sonnet 5 3f0b49fa36 ci: use a real PAT (PACKAGES_TOKEN) instead of GITEA_TOKEN for deploy
Publish Maven packages / publish (push) Successful in 1m55s
Details 
Root cause of the persistent 401s found: Gitea's own per-job GITEA_TOKEN
cannot publish to any package registry at all — a known, still-
unimplemented limitation (go-gitea/gitea#23642), not a settings.xml
auth-format issue as first assumed. Confirmed by testing: GITEA_TOKEN
authenticated fine against the plain API but every registry write
endpoint rejected it regardless of scope or header style.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-12 20:23:18 +00:00
Zakaria El OrcheandClaude Sonnet 5 a19c59770d ci: add a debug step for the persistent 401 on deploy
Publish Maven packages / publish (push) Failing after 28s
Details 
Basic auth didn't fix it either — same 401 as the httpHeaders form.
Before guessing again: confirm GITEA_TOKEN actually reaches this step
non-empty, and check whether it authenticates against the plain API at
all (both header styles), independent of Maven/wagon-http.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-12 19:54:47 +00:00
Zakaria El OrcheandClaude Sonnet 5 3bc5952dc7 ci: switch Maven auth to basic (username/password), not httpHeaders
Publish Maven packages / publish (push) Failing after 27s
Details 
Still 401 after granting packages:write — the httpHeaders form from
Gitea's docs is honored by Maven's resolver (dependency reads) but
apparently not reliably by the wagon-http provider maven-deploy-plugin
uploads through, which deployed unauthenticated. Basic auth is
wagon-http's oldest, always-supported path.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-12 19:53:12 +00:00
Zakaria El OrcheandClaude Sonnet 5 9d19de50cb ci: request packages:write — repo's default Actions token is read-only
Publish Maven packages / publish (push) Failing after 26s
Details 
Deploy failed with 401 Unauthorized: this repo's default Actions token
permission mode is Restricted (read-only on packages, not Permissive),
so the auto-provided GITEA_TOKEN couldn't push to the Maven registry
without explicitly requesting write access.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-12 19:50:58 +00:00
Zakaria El OrcheandClaude Sonnet 5 4710cf8633 ci: replace actions/checkout with a plain git clone
Publish Maven packages / publish (push) Failing after 27s
Details 
actions/checkout@v4 is a Node-based action; the maven:3.9-eclipse-temurin-21
container it was running in has no Node, so it failed with "node: executable
file not found in \$PATH". A shell git clone needs neither Node nor any
action runtime, just git (installed here via apt).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-12 19:47:40 +00:00
Zakaria El OrcheandClaude Sonnet 5 6a0242d654 ci: use the global ubuntu-latest runner, not the org-scoped one
Publish Maven packages / publish (push) Failing after 59s
Details 
The "org" runner label is scoped to the Pixel-Services organization —
Flash5 lives under the separate Relism account, which can only reach
the global runner (labels ubuntu-latest/ubuntu-24.04/ubuntu-22.04).
This job just runs Maven inside a container, no Docker access needed,
so ubuntu-latest is a fine fit.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-12 19:44:24 +00:00
Zakaria El OrcheandClaude Sonnet 5 0365c1f222 ci: fix runner label (org, not docker)
Publish Maven packages / publish (push) Canceled after 0s
Details 
The org's Gitea Actions runner is registered under the label "org" —
"docker" doesn't match anything online, so the publish job never got
picked up.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-12 19:41:26 +00:00
Relism c235e67158 Merge pull request 'ci: publish Maven packages to Gitea registry on push to master' (#8) from ci/publish-maven into master
Publish Maven packages / publish (push) Canceled after 0s
Details
2026-08-12 19:39:12 +00:00
Zakaria El OrcheandClaude Sonnet 5 5a16bc690c ci: publish Maven packages to Gitea registry on push to master 
Lets Pathway (and other consumers) resolve dev.relism:flash from Gitea's
Maven registry instead of requiring a local `mvn install`. Every push
stamps all modules with a commit-scoped version (2.1.0-<short-sha>) before
deploying, since Gitea's registry won't let a build overwrite an existing
name+version.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-12 19:38:18 +00:00
Relism e217f9370d Merge pull request 'feat(ext-data): add unified Data gateway; mcp: derive roles claim from OIDC' (#7) from feature/data-unified-composition into master
Publish Snapshot / Deploy Snapshot (push) Canceled after 5s
Details
CI / Build & Test (push) Canceled after 3s
Details 
Reviewed-on: #7
 2026-08-12 18:39:28 +00:00
Relism be7df3987c Merge pull request 'Feature/core/deterministic boot graph' (#6) from feature/core/deterministic-boot-graph into master
CI / Build & Test (push) Canceled after 5s
Details
Publish Snapshot / Deploy Snapshot (push) Canceled after 3s
Details 
Reviewed-on: #6
 2026-08-12 18:39:01 +00:00
Zakaria El OrcheandClaude Sonnet 5 9e045287c1 feat(ext-data): add unified Data gateway; mcp: derive roles claim from OIDC
CI / Build & Test (push) Canceled after 1m28s
Details
CI / Build & Test (pull_request) Canceled after 16s
Details 
Data/RepositoryFactory/HibernateData give applications one cached,
stateless entry point for repositories per entity type instead of
per-request instantiation, with write()/afterCommit() replacing manual
transaction+reload choreography.

McpConfig.rolesClaimPath is removed - MCP now derives the claim path
from OidcMiddleware.rolesClaimPath() so applications never duplicate
the roles-claim config between OIDC and MCP. McpPackageScanner is
rebuilt on the shared PackageScanner.discover(packageName) primitive,
doing only McpTool/McpResource/McpPrompt classification itself.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-12 18:37:30 +00:00
Zakaria El Orche 891ef99b8e refactor(core): make boot and middleware ordering deterministic
CI / Build & Test (pull_request) Canceled after 23s
Details
CI / Build & Test (push) Failing after 4m51s
Details
2026-08-12 16:42:49 +00:00
Zakaria El OrcheandClaude Sonnet 5 d7f36a7aea feat(ext-mcp): add MCP (Model Context Protocol) server extension
CI / Build & Test (push) Failing after 4m57s
Details 
Streamable HTTP transport (JSON-RPC 2.0 over POST), one-class-per-tool/resource/prompt
API mirroring RequestHandler, boot-time-precompiled schema/list payloads for a zero-alloc
hot path, and optional OAuth2 protection built on flash-ext-oidc (lazy-loaded, RFC 8707
audience binding, RFC 9728 Protected Resource Metadata). Registers the module in the
root and flash-extensions POMs and adds the ext-mcp commit scope to AGENTS.md.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-11 00:22:40 +00:00
Zakaria El OrcheandClaude Sonnet 5 8ece9975de feat(ext-web-bundler): add build-time asset scanning and static-frontend strategy 
Introduces AssetDirectoryScanner, StaticFrontendStrategy, and WebBundlerBuild for
build-time asset discovery, plus config/docs updates for frontend-type resolution.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-11 00:22:26 +00:00
Relism 4032567d75 Merge pull request 'feat(core): add HTTP QUERY method support' (#5) from feature/core/http-query-method into master
CI / Build & Test (push) Canceled after 5s
Details
Publish Snapshot / Deploy Snapshot (push) Canceled after 7s
Details 
Reviewed-on: #5
 2026-08-10 13:29:24 +00:00
Zakaria El OrcheandClaude Sonnet 5 fa0a2d79b4 feat(core): add HTTP QUERY method support
CI / Build & Test (push) Failing after 4m55s
Details
CI / Build & Test (pull_request) Canceled after 50s
Details 
Adds the QUERY method (RFC 10008) — safe and idempotent like GET,
but carries a request body like POST, useful for complex filters
that don't fit in a URL query string.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-10 13:09:26 +00:00
Relism 391ae6778e Merge pull request 'feat(core): ALPN configuration and TLS visibility on Request/WebSocketSession' (#4) from feature/core/tls-alpn into master
Publish Snapshot / Deploy Snapshot (push) Failing after 4m48s
Details
CI / Build & Test (push) Failing after 5m4s
Details 
Reviewed-on: #4
 2026-08-09 23:38:27 +00:00
Zakaria El OrcheandClaude Sonnet 5 1b48d14b4f feat(core): ALPN configuration and TLS visibility on Request/WebSocketSession
CI / Build & Test (push) Failing after 5m3s
Details
CI / Build & Test (pull_request) Failing after 4m53s
Details 
- TlsConfig.applicationProtocols(String...) sets the listener's negotiable
  ALPN protocol list via SSLParameters, inherited by every accepted socket
  like clientAuth — works on both keystore() and ofContext(), untouched
  unless called. Enables TLS-ALPN-01 (RFC 8737) style on-demand cert
  issuance: a custom KeyManager can read the already-resolved protocol via
  engine/socket getHandshakeApplicationProtocol() inside
  chooseEngineServerAlias/chooseServerAlias, since ALPN is resolved during
  ClientHello/ServerHello, always before Certificate production.
- Request gains isSecure()/sslSession(), threaded through RequestParser from
  the accepted SSLSocket exactly like remoteAddress() — reference-only,
  zero per-request allocation. sslSession() defers to SSLSocket#getSession()
  lazily, so it's a cached-field read (handshake already completed by the
  time a handler can call it), never a forced handshake.
- WebSocketSession.isSecure()/sslSession() delegate to the upgrading
  Request rather than tracking the socket a second time.
- Documents TLS end-to-end in README.md (listeners, TlsConfig, SNI, ALPN,
  mTLS, Request/WebSocketSession accessors).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-09 23:34:22 +00:00
Relism 7cd8b3869c Merge pull request 'feat(core): add TLS/mTLS support with multi-listener and SNI' (#3) from feature/core/tls-support into master
Publish Snapshot / Deploy Snapshot (push) Failing after 4m58s
Details
CI / Build & Test (push) Failing after 4m59s
Details 
Reviewed-on: #3
 2026-08-09 22:23:53 +00:00
Zakaria El OrcheandClaude Sonnet 5 9f6808e90c feat(core): add TLS/mTLS support with multi-listener and SNI
CI / Build & Test (pull_request) Failing after 4m54s
Details
CI / Build & Test (push) Failing after 4m54s
Details 
Flash can now serve HTTPS and WSS, on one or many listeners per app:

- FlashConfiguration gains an optional `tls` field for the single default
  listener, and a `listeners` list for apps that bind multiple ports (each
  independently plain or TLS).
- New dev.relism.flash.tls package: TlsConfig.keystore(path, password) builds
  an SSLContext from a PKCS12/JKS keystore, with SNI-based certificate
  selection for free when the keystore holds more than one alias (matched by
  SAN/CN, pure JDK APIs). TlsConfig.ofContext(sslContext) is a full escape
  hatch — Flash never calls setSSLParameters on that path, so caller-set
  protocols/cipher suites/ALPN survive untouched. TlsConfig.clientAuth(...)
  adds optional/required mTLS on either path.
- HttpServer moves from a single ServerSocket to a list of bound listeners;
  the per-request hot path (RequestParser, routing, response writing) is
  untouched — TLS only changes which bytes come out of accept(), so WSS needs
  no separate code path from WS.
- process()'s catch is widened to log non-IOException failures (e.g. a
  misbehaving custom KeyManager/TrustManager on the ofContext path) instead
  of swallowing them silently; the failure was already isolated to the one
  connection via the existing try-with-resources/executor-submission
  boundary — this only fixes the missing log line.
- Fixes a pre-existing gap where FlashConfiguration#host was accepted but
  never used to bind (listeners always bound to the wildcard address).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-09 21:41:57 +00:00
Relism bf2d54ca1a Merge pull request 'feat(core): WS client-mode masking, zero-copy header iteration, shared I/O relay buffer' (#1) from feature/core/ws-client-mode-io-reuse into master
Publish Snapshot / Deploy Snapshot (push) Failing after 5m32s
Details
CI / Build & Test (push) Failing after 5m38s
Details 
Reviewed-on: #1
 2026-08-09 20:38:20 +00:00
Zakaria El OrcheandClaude Sonnet 5 a037456634 feat(core): WS client-mode masking, zero-copy header iteration, shared I/O relay buffer
CI / Build & Test (push) Failing after 6m7s
Details
CI / Build & Test (pull_request) Failing after 4m56s
Details 
- WebSocketSession supports client-mode outgoing frame masking (RFC 6455) via
  in-place XOR, reusing the unmask routine already used for inbound frames.
- HeaderMap gains an allocation-free forEach(HeaderConsumer) for callers that
  must handle an open-ended set of header names (e.g. proxying).
- HttpServer relays streaming/chunked response bodies through a shared
  per-connection ThreadLocal buffer instead of relying on InputStream#transferTo
  (which allocates internally) or a fresh byte[8192] per chunked write.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
 2026-08-09 20:24:56 +00:00
Relism 524bdeb28b Fix badge HTML syntax in docs workflow 2026-05-12 16:34:59 +02:00
Relism c619c17949 Refactor JavaDoc generation and verification steps 2026-05-12 16:28:20 +02:00
Relism c368843ad4 ci: fix javadoc path, encoding and delegate docs to docs.yml 2026-05-12 16:15:33 +02:00
Relism 35293a0a57 feat(ci): add workflow for publishing JavaDoc to GitHub Pages 2026-05-12 15:42:39 +02:00
Relism c514897ffc fix(ci): publish versioned javadocs only on gh-pages 2026-05-11 16:53:17 +02:00
Relism 6314bcff5f fix(ci): correct javadoc publish path and maven settings schema 2026-05-11 16:18:49 +02:00
Relism ccc5550598 feat: introduce WebSocket support with new endpoints and transaction propagation enhancements 2026-05-11 16:14:26 +02:00
github-actions[bot] a4a16bdb00 chore(release): prepare 2.1.0-SNAPSHOT 2026-05-11 13:54:19 +00:00
535 changed files with 42419 additions and 3323 deletions
Expand all files Collapse all files
.gitea/maven-settings.xml
+24
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@@ -0,0 +1,24 @@
<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
<!--
Used only by .gitea/workflows/publish-maven.yml (mvn -s .gitea/maven-settings.xml deploy).
Not used for local builds. PACKAGES_TOKEN is a real personal access token (write:package
scope) on the Relism account, read from the env var the workflow exports — never written
to disk. Deliberately not Gitea's own per-job GITEA_TOKEN: that token can't publish to
any package registry at all, a known unimplemented limitation
(https://github.com/go-gitea/gitea/issues/23642) — confirmed here by testing: it
authenticated fine against the plain API but still got 401 from this endpoint.
Basic auth (username/password): the <httpHeaders> form Gitea's own docs show for this is
honored by Maven's resolver (used for reading <repositories>) but not reliably by the
wagon-http provider maven-deploy-plugin actually uploads through.
-->
<servers>
<server>
<id>gitea</id>
<username>Relism</username>
<password>${env.PACKAGES_TOKEN}</password>
</server>
</servers>
</settings>
.gitea/workflows/publish-maven.yml
+49
View File
@@ -0,0 +1,49 @@
name: Publish Maven packages
# Flash's own POM keeps `2.1.0-SNAPSHOT` as its committed version — that's what local
# `mvn install` (Pathway's normal dev loop, see its pom.xml `flash.version` comment) always
# produces, and changing it here would break that. Gitea's Maven registry, unlike a real
# snapshot repository, refuses to re-publish an existing name+version (must delete first —
# see https://docs.gitea.com/usage/packages/maven#publish-a-package), so every push instead
# publishes under a throwaway version stamped with the commit it built from
# (`2.1.0-<short-sha>`), via `versions:set` on a checkout copy — never touching the committed
# POMs. Consumers (Pathway's `docker` Maven profile) pin `flash.version` to one specific
# published build and bump it by hand to pick up newer Flash changes; see
# pathway/pom.xml's `docker` profile for the other half of this.
on:
push:
branches: [master]
jobs:
publish:
runs-on: ubuntu-latest
# No actions/checkout here on purpose: it's a Node-based action, and this container
# (chosen for its preinstalled mvn/JDK 21) has no Node — checkout would fail with
# "node: executable file not found". A plain git clone needs neither.
container:
image: maven:3.9-eclipse-temurin-21
steps:
- name: Checkout
run: |
apt-get update && apt-get install -y --no-install-recommends git
git clone https://git.pixel-services.com/Relism/Flash5.git .
git checkout ${{ gitea.sha }}
- name: Stamp every module with a commit-scoped version
run: |
SHORT_SHA=$(git rev-parse --short HEAD)
mvn -B versions:set -DnewVersion="2.1.0-${SHORT_SHA}" -DprocessAllModules=true -DgenerateBackupPoms=false
echo "Publishing as 2.1.0-${SHORT_SHA}"
- name: Deploy to the Gitea Maven registry
env:
# Not GITEA_TOKEN: Gitea's own job token can't publish to package registries at
# all (a known, still-unimplemented limitation — see
# https://github.com/go-gitea/gitea/issues/23642). Confirmed by testing: GITEA_TOKEN
# authenticated fine against the plain API but still got 401 from this endpoint no
# matter the auth style. PACKAGES_TOKEN is a real PAT with write:package scope.
PACKAGES_TOKEN: ${{ secrets.PACKAGES_TOKEN }}
run: |
mvn -B -s .gitea/maven-settings.xml -DskipTests deploy \
-DaltReleaseDeploymentRepository=gitea::https://git.pixel-services.com/api/packages/Relism/maven \
-DaltSnapshotDeploymentRepository=gitea::https://git.pixel-services.com/api/packages/Relism/maven
.github/settings.xml
+1 -1
View File
@@ -1,7 +1,7 @@
<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
http://maven.apache.org/xsd/maven-1.0.0.xsd">
http://maven.apache.org/xsd/settings-1.0.0.xsd">
<servers>
<server>
<id>Personal</id>
.github/workflows/ci.yml
+33 -1
View File
@@ -32,8 +32,40 @@ jobs:
server-username: MAVEN_USERNAME
server-password: MAVEN_PASSWORD
- name: Install h2spec 2.6.0
run: |
curl --fail --location --silent --show-error \
--output /tmp/h2spec.tar.gz \
https://github.com/summerwind/h2spec/releases/download/v2.6.0/h2spec_linux_amd64.tar.gz
echo "157ee0de702e01ad40e752dbf074b366027e550c8e7504f9450da2809e279318 /tmp/h2spec.tar.gz" \
| sha256sum --check
tar --extract --gzip --file /tmp/h2spec.tar.gz --directory /tmp
- name: Install nghttp client
run: |
sudo apt-get update
sudo apt-get install --yes nghttp2-client
- name: Install grpcurl 1.9.3
run: |
curl --fail --location --silent --show-error \
--output /tmp/grpcurl.tgz \
https://github.com/fullstorydev/grpcurl/releases/download/v1.9.3/grpcurl_1.9.3_linux_x86_64.tar.gz
echo "a926b62a85787ccf73ef8736b3ae554f1242e39d92bb8767a79d6dd23b11d1d5 /tmp/grpcurl.tgz" \
| sha256sum --check
tar --extract --gzip --file /tmp/grpcurl.tgz --directory /tmp grpcurl
- name: Build and test
run: mvn -B --settings .github/settings.xml clean verify
run: >-
mvn -B --settings .github/settings.xml
-Dh2spec.executable=/tmp/h2spec
-Dcurl.executable=/usr/bin/curl
-Dnghttp.executable=/usr/bin/nghttp
-Dgrpcurl.executable=/tmp/grpcurl
-Djdk.tracePinnedThreads=full
-Pjmh
-Dflash.performance.gates=true
clean verify
env:
MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}
.github/workflows/docs.yml
+348
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@@ -0,0 +1,348 @@
name: Publish Docs
on:
workflow_dispatch:
inputs:
version:
description: 'Docs version to publish (e.g. 2.1.0)'
required: true
type: string
workflow_call:
inputs:
version:
description: 'Docs version to publish (e.g. 2.1.0)'
required: true
type: string
secrets:
MAVEN_USERNAME:
required: true
MAVEN_PASSWORD:
required: true
jobs:
docs:
name: Build JavaDoc & Update gh-pages
runs-on: ubuntu-latest
permissions:
contents: write
steps:
- name: Checkout
uses: actions/checkout@v4
with:
fetch-depth: 0
- name: Set up Temurin 21
uses: actions/setup-java@v4
with:
distribution: temurin
java-version: 21
cache: maven
- name: Build project (compile + resolve deps, skip tests)
run: mvn -B --settings .github/settings.xml clean verify -DskipTests
env:
MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}
# javadoc:aggregate runs on the reactor root.
# With flash + flash-extensions both declared as modules in root pom.xml,
# this produces a single aggregated Javadoc covering all modules.
# Default output path: target/site/apidocs/ (no custom reportOutputDirectory set).
- name: Generate aggregated JavaDoc
run: |
mvn -B \
--settings .github/settings.xml \
-DskipTests \
org.apache.maven.plugins:maven-javadoc-plugin:3.6.3:aggregate
env:
MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}
- name: Verify JavaDoc output exists
run: |
APIDOCS=""
if [ -f "target/site/apidocs/index.html" ]; then
APIDOCS="target/site/apidocs"
elif [ -f "target/reports/apidocs/index.html" ]; then
APIDOCS="target/reports/apidocs"
else
echo "ERROR: JavaDoc output not found."
echo
echo "Contents of target/:"
find target -maxdepth 5 2>/dev/null || echo "(empty)"
exit 1
fi
echo "APIDOCS_DIR=$APIDOCS" >> $GITHUB_ENV
COUNT=$(find "$APIDOCS" -name '*.html' | wc -l)
echo "JavaDoc OK — $COUNT HTML files at $APIDOCS"
- name: Checkout gh-pages
uses: actions/checkout@v4
with:
ref: gh-pages
path: gh-pages-out
token: ${{ secrets.GITHUB_TOKEN }}
- name: Copy JavaDoc to versioned folder and latest
run: |
VERSION=${{ inputs.version }}
mkdir -p gh-pages-out/javadoc/$VERSION
cp -r "$APIDOCS_DIR"/. gh-pages-out/javadoc/$VERSION/
rm -rf gh-pages-out/latest
mkdir -p gh-pages-out/latest
cp -r "$APIDOCS_DIR"/. gh-pages-out/latest/
- name: Regenerate index.html
run: |
cd gh-pages-out
python3 - <<'EOF'
import os, re
def version_key(v):
parts = re.findall(r'\d+', v)
return [int(p) for p in parts] if parts else [0]
versions = sorted(
[d for d in os.listdir("javadoc") if os.path.isdir(f"javadoc/{d}")],
key=version_key,
reverse=True
)
latest = versions[0] if versions else None
rows = "\n".join(
f'''
<div class="release">
<div class="release-info">
<span class="version">{v}</span>
{"<span class='badge'>latest</span>" if v == latest else ""}
</div>
<a href="javadoc/{v}/index.html">Open</a>
</div>
'''
for v in versions
)
html = """<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Flash — JavaDoc</title>
<style>
:root {
--bg: #ffffff;
--surface: #fafafa;
--border: #e5e7eb;
--text: #111827;
--muted: #6b7280;
--accent: #111827;
--accent-hover: #000000;
}
* {
box-sizing: border-box;
margin: 0;
padding: 0;
}
body {
font-family:
Inter,
ui-sans-serif,
system-ui,
-apple-system,
BlinkMacSystemFont,
"Segoe UI",
sans-serif;
background: var(--bg);
color: var(--text);
min-height: 100vh;
padding: 64px 24px;
}
.container {
width: 100%;
max-width: 760px;
margin: 0 auto;
}
.header {
margin-bottom: 40px;
}
.header h1 {
font-size: 2rem;
font-weight: 600;
letter-spacing: -0.04em;
}
.header p {
margin-top: 10px;
color: var(--muted);
font-size: 0.95rem;
line-height: 1.6;
}
.latest {
display: inline-flex;
align-items: center;
margin-top: 20px;
padding-bottom: 2px;
color: var(--accent);
text-decoration: none;
font-size: 0.95rem;
font-weight: 500;
border-bottom: 1px solid transparent;
transition:
border-color 0.15s ease,
color 0.15s ease;
}
.latest:hover {
border-color: var(--accent);
color: var(--accent-hover);
}
.list {
border-top: 1px solid var(--border);
}
.release {
display: flex;
align-items: center;
justify-content: space-between;
gap: 16px;
padding: 18px 0;
border-bottom: 1px solid var(--border);
}
.release-info {
display: flex;
align-items: center;
gap: 12px;
}
.version {
font-size: 0.96rem;
font-weight: 500;
letter-spacing: -0.01em;
}
.badge {
font-size: 0.72rem;
font-weight: 600;
color: var(--muted);
border: 1px solid var(--border);
padding: 2px 8px;
}
.release a {
color: var(--accent);
text-decoration: none;
font-size: 0.92rem;
}
.release a:hover {
text-decoration: underline;
}
.empty {
padding: 32px 0;
color: var(--muted);
font-size: 0.95rem;
}
@media (max-width: 640px) {
body {
padding: 40px 20px;
}
.header h1 {
font-size: 1.7rem;
}
.release {
flex-direction: column;
align-items: flex-start;
}
}
</style>
</head>
<body>
<div class="container">
<header class="header">
<h1>Flash JavaDoc</h1>
<p>
API documentation for all published Flash releases.
</p>
""" + (
f'''
<a class="latest" href="latest/index.html">
Latest release — {latest}
</a>
'''
if latest else ""
) + """
</header>
""" + (
f'''
<div class="list">
{rows}
</div>
'''
if rows else
'''
<div class="empty">
No versions published yet.
</div>
'''
) + """
</div>
</body>
</html>"""
with open("index.html", "w", encoding="utf-8") as f:
f.write(html)
print(f"index.html generated — {len(versions)} version(s): {versions}")
EOF
- name: Push gh-pages
run: |
cd gh-pages-out
git config user.name "github-actions[bot]"
git config user.email "github-actions[bot]@users.noreply.github.com"
git add -A
git diff --cached --quiet || git commit -m "docs(javadoc): publish ${{ inputs.version }}"
git push origin gh-pages
.github/workflows/release.yml
+18 -84
View File
@@ -6,13 +6,15 @@ on:
- 'v*'
jobs:
# ── 1. Build, GPG-sign, deploy to Maven releases ──────────────────────────
release:
name: Build, Sign, Deploy & Publish
name: Build, Sign & Deploy
runs-on: ubuntu-latest
permissions:
contents: write
pages: write
id-token: write
outputs:
version: ${{ steps.version.outputs.VERSION }}
steps:
- name: Checkout
@@ -47,90 +49,22 @@ jobs:
MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}
- name: Generate aggregated JavaDoc
run: |
mvn -B --settings .github/settings.xml \
-pl flash,flash-extensions -am \
javadoc:aggregate -DskipTests
env:
MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}
- name: Checkout gh-pages
uses: actions/checkout@v4
with:
ref: gh-pages
path: gh-pages-out
token: ${{ secrets.GITHUB_TOKEN }}
- name: Copy JavaDoc to versioned folder
run: |
VERSION=${{ steps.version.outputs.VERSION }}
mkdir -p gh-pages-out/javadoc/$VERSION
cp -r target/reports/apidocs/. gh-pages-out/javadoc/$VERSION/
rm -rf gh-pages-out/latest
mkdir -p gh-pages-out/latest
cp -r target/reports/apidocs/. gh-pages-out/latest/
- name: Regenerate index.html
run: |
cd gh-pages-out
python3 - <<'EOF'
import os, re
versions = sorted(
[d for d in os.listdir("javadoc") if os.path.isdir(f"javadoc/{d}")],
key=lambda v: [int(x) for x in re.sub(r'[^0-9.]', '', v).split('.') if x],
reverse=True
)
rows = "\n".join(
f' <li><a href="javadoc/{v}/index.html">{v}</a></li>'
for v in versions
)
html = f"""<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Flash JavaDoc</title>
<style>
body {{ font-family: sans-serif; max-width: 600px; margin: 4rem auto; }}
h1 {{ font-size: 1.6rem; }}
ul {{ line-height: 2; }}
a {{ color: #0070f3; text-decoration: none; }}
a:hover {{ text-decoration: underline; }}
</style>
</head>
<body>
<h1>Flash — JavaDoc</h1>
<p><a href="latest/index.html">&#8594; Latest</a></p>
<h2>All versions</h2>
<ul>
{rows}
</ul>
</body>
</html>"""
with open("index.html", "w") as f:
f.write(html)
print(f"index.html generated with {len(versions)} versions: {versions}")
EOF
- name: Push gh-pages
run: |
cd gh-pages-out
git config user.name "github-actions[bot]"
git config user.email "github-actions[bot]@users.noreply.github.com"
git add -A
git diff --cached --quiet || git commit -m "docs(javadoc): release ${{ steps.version.outputs.VERSION }}"
git push origin gh-pages
- name: Create GitHub Release
uses: softprops/action-gh-release@v2
with:
tag_name: v${{ steps.version.outputs.VERSION }}
name: v${{ steps.version.outputs.VERSION }}
tag_name: ${{ github.ref_name }}
name: ${{ github.ref_name }}
generate_release_notes: true
draft: false
prerelease: false
# ── 2. Publish JavaDoc (single source of truth: docs.yml) ─────────────────
docs:
name: Publish JavaDoc
needs: release
uses: ./.github/workflows/docs.yml
with:
version: ${{ needs.release.outputs.version }}
secrets:
MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}
.idea/encodings.xml
Generated
+2 -2
View File
@@ -17,8 +17,8 @@
<file url="file://$PROJECT_DIR$/flash-extensions/flash-ext-jackson/src/main/resources" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/resources" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/resources" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/flash-extensions/flash-ext-auth-oidc/src/main/java" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/flash-extensions/flash-ext-auth-oidc/src/main/resources" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/flash-extensions/flash-ext-openapi/src/main/java" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/flash-extensions/flash-ext-openapi/src/main/resources" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/flash-extensions/flash-ext-routeviewer/src/main/java" charset="UTF-8" />
.idea/workspace.xml
Generated
+72 -283
View File
@@ -4,292 +4,42 @@
<option name="autoReloadType" value="SELECTIVE" />
</component>
<component name="ChangeListManager">
<list default="true" id="fc757130-fe3e-4ea9-8d69-c26ffb8545a4" name="Changes" comment="add core view extension with JTE and Thymeleaf support">
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-core/pom.xml" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/DataExtension.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/Page.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/Repository.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/ResourceRegistry.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/Sort.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/TransactionIsolation.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/TransactionPropagation.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/Tx.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/TxDefinition.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/TxException.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/TxManager.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/TxOutcome.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/TxResourceKey.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/TxStatus.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/TxSynchronization.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-hibernate/pom.xml" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-hibernate/src/main/java/dev/relism/flash/ext/data/hibernate/HibernateRepository.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-hibernate/src/main/java/dev/relism/flash/ext/data/hibernate/HibernateTxManager.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-hibernate/src/main/java/dev/relism/flash/ext/data/hibernate/HibernateTxStatus.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-hibernate/src/test/java/dev/relism/flash/ext/data/hibernate/HibernateTxManagerTest.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-hibernate/src/test/java/dev/relism/flash/ext/data/hibernate/TestHelper.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-jdbc/pom.xml" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-jdbc/src/main/java/dev/relism/flash/ext/data/jdbc/JdbcRepository.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-jdbc/src/main/java/dev/relism/flash/ext/data/jdbc/JdbcTxManager.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-jdbc/src/main/java/dev/relism/flash/ext/data/jdbc/JdbcTxStatus.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-data-jdbc/src/test/java/dev/relism/flash/ext/data/jdbc/JdbcTxManagerTest.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-view-jte/src/main/java/dev/relism/flash/ext/view/jte/JteTarget.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-web-bundler/src/main/java/dev/relism/flash/ext/webbundler/FrontendType.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash/src/main/java/dev/relism/flash/Flash.java" afterDir="false" />
<change afterPath="$PROJECT_DIR$/flash/src/main/java/dev/relism/flash/routing/routers/radix/RadixPathRouterImpl.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/.idea/encodings.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/encodings.xml" afterDir="false" />
<list default="true" id="fc757130-fe3e-4ea9-8d69-c26ffb8545a4" name="Changes" comment="feat: introduce WebSocket support with new endpoints and transaction propagation enhancements">
<change beforePath="$PROJECT_DIR$/.github/workflows/release.yml" beforeDir="false" afterPath="$PROJECT_DIR$/.github/workflows/release.yml" afterDir="false" />
<change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-jackson/src/main/java/dev/relism/ext/jackson/JacksonExtension.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-jackson/src/main/java/dev/relism/flash/ext/jackson/JacksonExtension.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-jackson/src/main/java/dev/relism/ext/jackson/JacksonMiddleware.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-jackson/src/main/java/dev/relism/flash/ext/jackson/JacksonMiddleware.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-jackson/src/main/java/dev/relism/ext/jackson/Json.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-jackson/src/main/java/dev/relism/flash/ext/jackson/Json.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-jackson/src/test/java/dev/relism/ext/jackson/JacksonExtensionTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-jackson/src/test/java/dev/relism/flash/ext/jackson/JacksonExtensionTest.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-jackson/src/test/java/dev/relism/ext/jackson/JacksonMiddlewareTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-jackson/src/test/java/dev/relism/flash/ext/jackson/JacksonMiddlewareTest.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-jackson/src/test/java/dev/relism/ext/jackson/JsonTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-jackson/src/test/java/dev/relism/flash/ext/jackson/JsonTest.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/ext/limiter/Bucket.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/flash/ext/limiter/Bucket.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/ext/limiter/BucketStore.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/flash/ext/limiter/BucketStore.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/ext/limiter/Guard.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/flash/ext/limiter/Guard.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/ext/limiter/KeyResolver.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/flash/ext/limiter/KeyResolver.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/ext/limiter/Limit.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/flash/ext/limiter/Limit.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/ext/limiter/LimitConfig.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/flash/ext/limiter/LimitConfig.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/ext/limiter/LimitStrategy.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/flash/ext/limiter/LimitStrategy.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/ext/limiter/LimiterConfig.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/flash/ext/limiter/LimiterConfig.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/ext/limiter/LimiterExtension.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/flash/ext/limiter/LimiterExtension.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/ext/limiter/RateLimitStrategy.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/flash/ext/limiter/RateLimitStrategy.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/ext/limiter/strategy/FixedWindowStrategy.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/flash/ext/limiter/strategy/FixedWindowStrategy.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/ext/limiter/strategy/SlidingWindowStrategy.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/flash/ext/limiter/strategy/SlidingWindowStrategy.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/ext/limiter/strategy/TokenBucketStrategy.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/main/java/dev/relism/flash/ext/limiter/strategy/TokenBucketStrategy.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/test/java/dev/relism/ext/limiter/LimiterOpenApiInteropTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-limiter/src/test/java/dev/relism/flash/ext/limiter/LimiterOpenApiInteropTest.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/ext/oidc/Authenticated.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/Authenticated.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/ext/oidc/ClaimsHolder.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/ClaimsHolder.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/ext/oidc/ClientAuthMethod.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/ClientAuthMethod.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/ext/oidc/DiscoveryClient.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/DiscoveryClient.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/ext/oidc/InMemoryOidcSessionStore.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/InMemoryOidcSessionStore.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/ext/oidc/JwtUtils.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/JwtUtils.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/ext/oidc/JwtValidator.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/JwtValidator.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/ext/oidc/OidcAuthPolicy.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcAuthPolicy.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/ext/oidc/OidcConfig.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcConfig.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/ext/oidc/OidcExtension.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcExtension.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/ext/oidc/OidcMiddleware.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcMiddleware.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/ext/oidc/OidcProviderMetadata.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcProviderMetadata.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/ext/oidc/OidcSession.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcSession.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/ext/oidc/OidcSessionStore.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcSessionStore.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/ext/oidc/OidcStateStore.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcStateStore.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/ext/oidc/OidcTokenResponse.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcTokenResponse.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/ext/oidc/OidcUser.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcUser.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/flash/src/test/java/dev/relism/routing/routers/fastpathrouter/FastPathViewsTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash/src/test/java/dev/relism/flash/routing/routers/fastpathrouter/FastPathViewsTest.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/flash/src/test/java/dev/relism/template/ByteTemplateTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/flash/src/test/java/dev/relism/flash/template/ByteTemplateTest.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/pom.xml" afterDir="false" />
</list>
<option name="SHOW_DIALOG" value="false" />
<option name="HIGHLIGHT_CONFLICTS" value="true" />
<option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
<option name="LAST_RESOLUTION" value="IGNORE" />
</component>
<component name="CopilotChats">
<option name="panelChat">
<chat>
<option name="activeSessionId" value="a8d77f48-1eb9-4c5a-961c-1e1452a25ca0" />
<option name="sessions">
<session>
<option name="chatType" value="PANEL" />
<option name="id" value="a8d77f48-1eb9-4c5a-961c-1e1452a25ca0" />
<option name="modeId" value="Agent" />
<option name="modelType" value="builtin_family" />
<option name="modelValue" value="auto" />
<option name="status" value="Completed" />
<option name="targetType" value="LOCAL" />
</session>
<session>
<option name="chatType" value="PANEL" />
<option name="id" value="82f48e09-2ca4-4a27-9a04-c65d7a5f0b88" />
<option name="modeId" value="Agent" />
<option name="modelType" value="builtin_family" />
<option name="modelValue" value="auto" />
<option name="targetType" value="LOCAL" />
</session>
</option>
<option name="type" value="PANEL" />
</chat>
</option>
</component>
<component name="CopilotPersistence">
<persistenceIdMap>
<entry key="_C:/Users/elorc/Documents/Coding/Java/practice/Flash" value="3Axc6mzLyNvh4TgGFvNSCSq83xw" />
@@ -298,7 +48,7 @@
</persistenceIdMap>
</component>
<component name="EmbeddingIndexingInfo">
<option name="cachedIndexableFilesCount" value="407" />
<option name="cachedIndexableFilesCount" value="448" />
<option name="fileBasedEmbeddingIndicesEnabled" value="true" />
</component>
<component name="FileTemplateManagerImpl">
@@ -534,7 +284,17 @@
<workItem from="1776931805422" duration="16122000" />
<workItem from="1777051880577" duration="2650000" />
<workItem from="1777150747725" duration="837000" />
<workItem from="1777198150359" duration="638000" />
<workItem from="1777198150359" duration="5628000" />
<workItem from="1777451402985" duration="709000" />
<workItem from="1777534738187" duration="13411000" />
<workItem from="1777970837797" duration="5042000" />
<workItem from="1778160998498" duration="2931000" />
<workItem from="1778319397472" duration="5040000" />
<workItem from="1778352978922" duration="2169000" />
<workItem from="1778414714349" duration="23000" />
<workItem from="1778417425077" duration="3241000" />
<workItem from="1778489168036" duration="9828000" />
<workItem from="1778576795735" duration="5051000" />
</task>
<task id="LOCAL-00001" summary="Initial">
<option name="closed" value="true" />
@@ -632,7 +392,31 @@
<option name="project" value="LOCAL" />
<updated>1776724331443</updated>
</task>
<option name="localTasksCounter" value="13" />
<task id="LOCAL-00013" summary="refactor: rename packages and files to use 'flash' prefix for consistency">
<option name="closed" value="true" />
<created>1777199691803</created>
<option name="number" value="00013" />
<option name="presentableId" value="LOCAL-00013" />
<option name="project" value="LOCAL" />
<updated>1777199691804</updated>
</task>
<task id="LOCAL-00014" summary="fix: enhance global key validation and update template parameters">
<option name="closed" value="true" />
<created>1777451475753</created>
<option name="number" value="00014" />
<option name="presentableId" value="LOCAL-00014" />
<option name="project" value="LOCAL" />
<updated>1777451475753</updated>
</task>
<task id="LOCAL-00015" summary="feat: introduce WebSocket support with new endpoints and transaction propagation enhancements">
<option name="closed" value="true" />
<created>1778508899541</created>
<option name="number" value="00015" />
<option name="presentableId" value="LOCAL-00015" />
<option name="project" value="LOCAL" />
<updated>1778508899541</updated>
</task>
<option name="localTasksCounter" value="16" />
<servers />
</component>
<component name="TypeScriptGeneratedFilesManager">
@@ -674,7 +458,12 @@
<MESSAGE value="preparing for another refactoring..." />
<MESSAGE value="implement OpenAPI contributor integration for rate limiting and response headers" />
<MESSAGE value="add core view extension with JTE and Thymeleaf support" />
<option name="LAST_COMMIT_MESSAGE" value="add core view extension with JTE and Thymeleaf support" />
<MESSAGE value="refactor: rename packages and files to use 'flash' prefix for consistency" />
<MESSAGE value="fix: enhance global key validation and update template parameters" />
<MESSAGE value="chore(release): prepare 2.1.0-SNAPSHOT" />
<MESSAGE value="feat: introduce Spec and Query interfaces with transaction propagation enhancements" />
<MESSAGE value="feat: introduce WebSocket support with new endpoints and transaction propagation enhancements" />
<option name="LAST_COMMIT_MESSAGE" value="feat: introduce WebSocket support with new endpoints and transaction propagation enhancements" />
</component>
<component name="XSLT-Support.FileAssociations.UIState">
<expand />
AGENTS.md
+6 -2
View File
@@ -36,9 +36,10 @@ Format: `<type>(<scope>): <short description>`
| `chore` | Build, deps, tooling — no production code |
| `ci` | Changes to GitHub Actions workflows |
Allowed scopes: `core`, `ext-jackson`, `ext-openapi`, `ext-oidc`, `ext-routeviewer`,
Allowed scopes: `core`, `testing`, `ext-jackson`, `ext-openapi`, `ext-oidc`, `ext-routeviewer`,
`ext-view-core`, `ext-view-jte`, `ext-view-thymeleaf`, `ext-limiter`, `ext-web-bundler`,
`ext-data-core`, `ext-data-jdbc`, `ext-data-hibernate`, `release`, `deps`, `ci`.
`ext-mcp`, `ext-validation`, `ext-scheduler`, `ext-data-core`, `ext-data-jdbc`,
`ext-data-hibernate`, `ext-cache-core`, `ext-cache-caffeine`, `release`, `deps`, `ci`.
Examples:
```
@@ -85,6 +86,9 @@ chore(release): 2.1.0
- Root POM: `flash-parent` — defines all dependency versions and plugin config.
- `flash` module: the core framework JAR.
- `flash-testing` module: JUnit 5 harness for testing Flash applications. Deliberately not
under `flash-extensions/` — it is not something you `install()`, and it carries
`junit-jupiter-api` at compile scope.
- `flash-extensions` POM: aggregator for all extension modules.
- Extensions live under `flash-extensions/flash-ext-*/`.
- When adding a new extension:
README.md
+372 -34
View File
@@ -1,19 +1,26 @@
# Flash
A high-performance HTTP/1.1 server library for Java 21, built around virtual threads and a zero-allocation FSM router.
A high-performance HTTP/1.1 and HTTP/2 server library for Java 21, built around virtual threads,
a zero-allocation FSM router, bounded protocol state, and one shared request/response API.
## Modules
| Module | Description |
|---|---|
| `flash` | Core server library — router, request parser, HTTP I/O transport |
| `flash` | Core server library — HTTP/1.1 and HTTP/2 transport, router, request/response model |
| `flash-testing` | JUnit 5 harness — boot an app on an ephemeral port, fake its services, assert on responses |
| `flash-extensions/flash-ext-jackson` | Jackson JSON integration |
| `flash-extensions/flash-ext-openapi` | OpenAPI 3.0 spec + Swagger UI |
| `flash-extensions/flash-ext-oidc` | OIDC Authorization Code + PKCE flow |
| `flash-extensions/flash-ext-auth-core` | Authentication seam + role/scope authorization |
| `flash-extensions/flash-ext-auth-oidc` | OIDC Authorization Code + PKCE flow |
| `flash-extensions/flash-ext-mcp` | MCP (Model Context Protocol) server — Streamable HTTP, optional OAuth2 via flash-ext-auth-oidc |
| `flash-extensions/flash-ext-view-core` | Minimal shared SSR runtime primitives |
| `flash-extensions/flash-ext-view-jte` | Opinionated jte SSR extension |
| `flash-extensions/flash-ext-view-thymeleaf` | Opinionated Thymeleaf SSR extension |
| `flash-bench` | Demo harness (OIDC + OpenAPI + Jackson) |
| `flash-extensions/flash-ext-validation` | Request validation — jakarta constraints, compiled once per type |
| `flash-extensions/flash-ext-scheduler` | Interval and cron background jobs on virtual threads |
| `flash-extensions/flash-ext-cache-core` | Caching contract — `Cache`, `CacheManager`, `CacheSpec` |
| `flash-extensions/flash-ext-cache-caffeine` | In-process cache backed by Caffeine |
## Requirements
@@ -57,31 +64,31 @@ app.post("/echo", (req, res) -> {
});
app.get("/users/{id}", (req, res) -> {
String id = req.pathParam("id");
String id = req.param("id");
return "user:" + id;
});
```
### Class-based handlers
Extend `RequestHandler` (or a subclass like `JacksonHandler`) and annotate with `@Route`:
Extend `RequestHandler`, annotate it, then scan its package. Dependencies are cached in
`onInit()` after Flash has resolved its complete boot-time service graph:
```java
@Route(method = HttpMethod.GET, path = "/api/users")
public class ListUsers extends JacksonHandler {
@Override
public Object handle(Request req, Response res) throws Exception {
return json(res, List.of("alice", "bob"));
}
@GET("/api/users")
public class ListUsers extends RequestHandler {
private UserService users;
@Override protected void onInit() { users = require(UserService.class); }
@Override public Object handle(Request req, Response res) { return users.list(); }
}
// Register:
app.register(new ListUsers());
app.scan("dev.example.api");
```
### Middleware
Apply middleware via `.with()` on the `RouteHandle` returned by any registration call:
Apply middleware at registration. Flash composes the final chain at boot:
```java
Middleware authCheck = next -> (req, res) -> {
@@ -90,14 +97,13 @@ Middleware authCheck = next -> (req, res) -> {
return next.handle(req, res);
};
app.get("/secure", (req, res) -> "secret data")
.with(authCheck);
app.get("/secure", (req, res) -> "secret data", authCheck);
```
Multiple middlewares are composed outermost-first (left-to-right in the call):
```java
app.get("/admin", handler).with(logging, auth, rateLimit);
app.get("/admin", handler, logging, auth, rateLimit);
// execution order: logging → auth → rateLimit → handler
```
@@ -119,31 +125,37 @@ processors, services):
```java
app.mount("/api", scope -> {
scope.get("/health", (req, res) -> "ok"); // → GET /api/health
scope.register(new UserHandler()); // @Route(path="/users") → GET /api/users
scope.scan("dev.example.api");
});
```
## Extensions
Extensions are installed before route registration. Each extension receives the `FlashRegistrar`
and `FlashContext` — it can register routes, expose services, and register annotation processors.
Extensions have one declarative `configure` method. They declare services, processors and route
callbacks; Flash resolves the complete graph, materialises routes, compiles both routers, then
opens listeners. Extension install order never makes a service “not ready”.
```java
FlashApp.create(8080)
.install(new JacksonExtension())
.install(new OpenApiExtension("/openapi", "My API", "1.0.0"))
.install(new OidcExtension(oidcConfig))
.register(new MyHandler())
.scan("dev.example.handlers")
.start();
```
See extension-specific READMEs for full details:
- [`flash-ext-jackson`](flash-extensions/flash-ext-jackson/README.md)
- [`flash-ext-openapi`](flash-extensions/flash-ext-openapi/README.md)
- [`flash-ext-oidc`](flash-extensions/flash-ext-oidc/README.md)
- [`flash-ext-auth-core`](flash-extensions/flash-ext-auth-core/docs/README.md)
- [`flash-ext-auth-oidc`](flash-extensions/flash-ext-auth-oidc/docs/README.md)
- [`flash-ext-mcp`](flash-extensions/flash-ext-mcp/docs/README.md)
- [`flash-ext-view-jte`](flash-extensions/flash-ext-view-jte/README.md)
- [`flash-ext-view-thymeleaf`](flash-extensions/flash-ext-view-thymeleaf/README.md)
- [`flash-ext-validation`](flash-extensions/flash-ext-validation/docs/README.md)
- [`flash-ext-scheduler`](flash-extensions/flash-ext-scheduler/docs/README.md)
- [`flash-ext-cache-caffeine`](flash-extensions/flash-ext-cache-caffeine/docs/README.md)
- [`flash-testing`](flash-testing/docs/README.md)
## Error handlers
@@ -163,24 +175,353 @@ app.onException((ex, req, res) -> {
|---|---|---|
| `port` | — | TCP port to bind |
| `host` | `"0.0.0.0"` | Bind address |
| `tls` | `null` | TLS for the default listener — see [TLS](#tls) |
| `listeners` | `[]` | Multiple bind targets (port + host + optional TLS) on one app — see [TLS](#tls) |
| `maxHeaderBufferSize` | `65536` | Max size of the header buffer (bytes) |
| `wsFrameBufferSize` | `65536` | Per-connection WebSocket read buffer (bytes) |
| `headerReadTimeoutMs` | `10000` | Once a request's first byte arrives, how long the full header block may take. Bounds slowloris-style attacks — see [`HTTP1-HARDENING.md`](flash/docs/core/HTTP1-HARDENING.md). |
| `idleKeepAliveTimeoutMs` | `60000` | How long a keep-alive connection may sit idle waiting for its next request. |
| `bodyReadTimeoutMs` | `30000` | How long reading a request body (handler or automatic drain) may take. |
| `shutdownDrainTimeoutMs` | `15000` | How long graceful shutdown waits for in-flight requests before force-closing. |
| `maxConnections` | auto (~heap/10MB) | Maximum concurrent connections across all listeners before new ones are closed immediately at accept time, before any per-connection state (TLS handshake included) is created. Auto-scales from `Runtime.maxMemory()`; set explicitly for a known deployment size, or `0` to disable. |
| `http2Enabled` | `false` | Whether TLS listeners advertise HTTP/2 through ALPN. |
| `http2CleartextEnabled` | `false` | Whether plaintext listeners accept HTTP/2 prior knowledge (h2c). Independent from TLS HTTP/2. |
| `h2HuffmanDynamicValues` | `false` | HPACK-Huffman encode runtime response values. Constants remain pre-encoded; the measured default avoids an extra encode pass. |
| `h2MaxResetStreamsPerInterval` | `200` | Rapid Reset budget per rolling interval. |
| `h2MaxStreamsCreatedPerInterval` | `400` | New-stream budget per rolling interval. |
| `h2AbuseRateIntervalMs` | `10000` | Rolling interval for the two operator-tunable rate limits above. |
| `h2MaxStreamsPerConnection` | `100000` | Total stream budget; `0` disables it. |
| `h2MaxBytesPerConnection` | `0` | Optional total wire-byte budget; `0` disables it. |
| `h2MaxConnectionLifetimeMs` | `0` | Optional connection lifetime; `0` disables it. |
| `h2StreamIdleTimeoutMs` | `60000` | Inactive open-stream deadline. |
| `sendDate` | `true` | Add an RFC 9110 `Date` field to responses; disable when an upstream proxy supplies it. |
## Protocols
Routes, middleware, `Request`, `Response`, bodies, trailers, streaming and WebSockets use the same
API on HTTP/1.1 and HTTP/2. Protocol selection happens once per connection:
- On TLS listeners, enable `http2Enabled`; Flash advertises `h2` and `http/1.1` through ALPN and
uses the protocol selected by the client. Existing HTTP/1.1 clients continue to work.
- On plaintext listeners, enable `http2CleartextEnabled` to accept the HTTP/2 prior-knowledge
preface on the same port as HTTP/1.1. Clients that do not send that exact preface are parsed as
HTTP/1.1.
- With both switches left at their default `false`, Flash behaves as an HTTP/1.1 server.
After enabling the appropriate switch, application routes need no protocol-specific code. TLS
still requires the normal certificate configuration shown below.
Flash deliberately does not implement HTTP/2 server push, RFC 7540 dependency-tree priority
scheduling, or the obsolete HTTP/1.1 `Upgrade: h2c` transition. Server push has no application API,
RFC 9113 deprecated the old priority scheme, and cleartext HTTP/2 uses prior knowledge instead.
See the [HTTP/2 compliance record](flash/docs/http2/COMPLIANCE.md) for exact coverage.
## WebSockets over HTTP/2
The same `ws(path, handler)` route serves WebSockets over HTTP/1.1 and HTTP/2. When HTTP/2 is
enabled, Flash advertises RFC 8441 extended CONNECT support and carries WebSocket frames inside
flow-controlled DATA frames. No alternate handler, route, or session API is required:
```java
app.ws("/live", handler);
```
HTTP/1.1 clients use the ordinary `101 Switching Protocols` upgrade. HTTP/2 clients use an
extended CONNECT and receive status `200`; Flash applies the same RFC 6455 framing, masking,
fragmentation, close, and callback behavior on both transports. Client support for negotiating
WebSockets over HTTP/2 varies, so clients without RFC 8441 support continue to use HTTP/1.1.
## TLS
HTTPS and WSS are a transport-layer concern only. Once a listener is bound, the accepted socket
is plain or TLS; the selected HTTP connection implementation then performs either the HTTP/1.1
upgrade or the HTTP/2 extended CONNECT. WSS does not require a separate route or handler API.
### Quick start
```java
FlashApp.create(FlashConfiguration.builder()
.port(443)
.tls(TlsConfig.keystore(Path.of("cert.p12"), "changeit"))
.build())
.get("/ping", (req, res) -> "pong") // HTTPS
.ws("/live", handler) // WSS, same route API
.start();
```
### Multiple listeners
One app can bind any number of ports, each independently plain or TLS:
```java
FlashApp.create(FlashConfiguration.builder()
.listener(new FlashConfiguration.Listener(80)) // plain
.listener(new FlashConfiguration.Listener(443, TlsConfig.keystore(cert, pass))) // TLS
.build());
```
A non-empty `listeners` list takes precedence over the top-level `port`/`host`/`tls` fields.
Each listener gets its own accept threads; the router, WS router, and virtual-thread executor
are shared by all of them — one app, N ports.
### `TlsConfig`
| Factory | Use |
|---|---|
| `TlsConfig.keystore(Path, String)` | Builds the `SSLContext` from a PKCS12/JKS keystore (type guessed from the extension). Pins `TLSv1.2`/`TLSv1.3` as enabled protocols; cipher suites are left at the JDK's own curated default. |
| `TlsConfig.ofContext(SSLContext)` | Escape hatch — the given `SSLContext` is used exactly as built. Flash never calls `setSSLParameters` on this path beyond what you explicitly request via `clientAuth`/`applicationProtocols`, so anything else you configured (custom `KeyManager`, ALPN, cipher suites) is authoritative. |
Chainable on either factory:
```java
TlsConfig.keystore(cert, pass)
.clientAuth(ClientAuth.REQUIRE) // mTLS: NONE (default) | OPTIONAL | REQUIRE
.applicationProtocols("acme-tls/1", "http/1.1") // ALPN, in preference order
```
**SNI** falls out of `keystore()` for free: a keystore holding more than one certificate entry
is matched against the requested hostname by each certificate's SAN (falling back to CN) — no
per-hostname config. The first entry in the keystore is the default when SNI is absent or
matches nothing (same convention as nginx/HAProxy's `default_server`).
**ALPN and custom certificate selection** (e.g. TLS-ALPN-01 / RFC 8737 for on-demand ACME
issuance): ALPN is resolved while consuming `ClientHello`/producing `ServerHello`, which always
precedes `Certificate` production. A custom `X509ExtendedKeyManager` passed via `ofContext`
can therefore read `engine.getHandshakeApplicationProtocol()` (or
`((SSLSocket) socket).getHandshakeApplicationProtocol()`) inside
`chooseEngineServerAlias`/`chooseServerAlias` — the negotiated protocol is already resolved by
then, so the certificate decision can key off it.
**mTLS with a private CA**: `clientAuth(...)` only requests/requires a client certificate;
`keystore()` deliberately doesn't expose a way to configure which CAs are trusted for that
certificate (it uses the JDK default trust store). For a private CA, build the `SSLContext`
yourself with a `TrustManagerFactory` and use `ofContext(...)`.
### Reading TLS info from a request
```java
app.get("/whoami", (req, res) -> {
if (!req.isSecure()) return "plain";
SSLSession session = req.sslSession(); // null iff !isSecure()
X509Certificate peer = (X509Certificate) session.getPeerCertificates()[0]; // mTLS only
return session.getCipherSuite() + " / " + session.getProtocol();
});
```
`Request.isSecure()` / `Request.sslSession()` cost nothing extra per request: the `SSLSocket`
reference is threaded through once per connection (same mechanism as `remoteAddress()`), and
`sslSession()` only calls `SSLSocket#getSession()` — a cached-field read once the handshake
that got the request this far has already completed, never a forced handshake.
`WebSocketSession` mirrors this exactly (`isSecure()`, `sslSession()`) by delegating to the
upgrading `Request` — no separate TLS state is tracked for WS.
## Object lifetime
`Request` and `Response` are **pooled per connection**, not allocated per request: one instance is
created per connection and repositioned (`reset()`) over each new request/response in turn — the
same idiom Java NIO buffers use, applied to the whole request/response model
(`flash/docs/core/MESSAGE-MODEL.md` has the full design record). This is what makes a warm h1
request/response cycle 0 B/op.
**Do not retain a `Request` or `Response` past the handler that received it.** A reference kept in
a field, a captured closure, a `CompletableFuture` continuation, or a background thread and read
*after* the handler returns will observe whatever the *next* request on that connection
repositioned the same instance to — not the request you thought you had:
```java
// WRONG — captures `req`, reads it after the handler has returned
app.get("/slow", (req, res) -> {
CompletableFuture.runAsync(() -> log(req.header("X-Trace-Id"))); // may log the NEXT request's header
return "ok";
});
```
Copy out whatever you need before returning or handing work off asynchronously — every accessor
that returns a `String` (`header`, `param`, `query`, `path`, …) gives you an independent heap copy
that's safe to keep as long as you like:
```java
app.get("/slow", (req, res) -> {
String traceId = req.header("X-Trace-Id"); // copy now, safe to retain
CompletableFuture.runAsync(() -> log(traceId));
return "ok";
});
```
Run with `-Dflash.env=dev` and a use-after-return access throws `IllegalStateException` immediately
at the offending call site instead of silently reading the wrong request's data — turn this on in
tests and local development. It's a no-op in production beyond a single `boolean` field read.
`req.body()`/`RequestBody` follows the same rule — materialise (`.bytes()`) or fully consume
(`.stream()`) it inside the handler; don't stash the `RequestBody` itself for later.
### Reusable response headers
Use `PreEncodedHeader` for a constant header sent by many responses. It stores the name and value
once and remains valid on both HTTP versions:
```java
private static final PreEncodedHeader NO_STORE =
new PreEncodedHeader("cache-control", "no-store");
app.get("/health", (req, res) -> res.header(NO_STORE).body("ok"));
```
`Response.header(byte[])` accepts a complete CRLF-terminated HTTP/1 field line and is therefore
HTTP/1-only; HPACK needs the name and value as separate fields. Prefer `PreEncodedHeader` for shared
application and middleware code.
### Trailers and push streaming
Request trailers become available after the body reaches EOF:
```java
byte[] payload = req.body().bytes();
String status = req.trailers().first("grpc-status");
```
For a producer-driven response, `Response.streaming` provides a blocking `ResponseStream`. Its
bounded buffer and HTTP/2 flow-control windows apply backpressure directly to the producer's
virtual thread:
```java
return res.streaming(stream -> {
try {
stream.write(payload, 0, payload.length);
stream.trailer("result", "complete");
} catch (IOException failure) {
throw new UncheckedIOException(failure);
}
});
```
The API renders as chunked data and trailers on HTTP/1.1, and DATA plus trailing HEADERS on
HTTP/2. Flash core supplies these transport primitives; a higher-level gRPC codec belongs in a
future `flash-ext-grpc` extension.
## Testing
`flash-testing` boots a real app on an OS-assigned port for the duration of a test, and hands you
a client pointed at it. Add it with test scope:
```xml
<dependency>
<groupId>dev.relism</groupId>
<artifactId>flash-testing</artifactId>
<version>${flash.version}</version>
<scope>test</scope>
</dependency>
```
```java
class UserRoutesTest {
@RegisterExtension
static FlashTest app = FlashTest.of(new BlogApp())
.mock(UserService.class, new InMemoryUserService());
@Test
void listsUsers() {
app.get("/api/users")
.expectStatus(200)
.expectHeader("content-type", "application/json")
.expectBodyContains("alice");
}
}
```
`FlashTest.of` takes a `FlashApplication` — your app's routes, extensions and services expressed
independently of which port they run on:
```java
public final class BlogApp implements FlashApplication {
@Override public void configure(FlashApp app) {
app.install(new JacksonExtension());
app.mount("/api", scope -> scope.scan("dev.blog.api"));
}
}
FlashApp.create(8080).apply(new BlogApp()).startAndBlock(); // production
```
It is a functional interface, so a lambda works too:
`FlashTest.of(app -> app.get("/ping", (req, res) -> "pong"))`.
### Requests
The HTTP verb sends the request; `expect*` assertions chain and report the real response body on
failure. `get` and `delete` skip the builder when there is nothing to add.
```java
app.get("/api/users").expectStatus(200);
app.request()
.header("Authorization", "Bearer " + token)
.json("{\"name\":\"bob\"}")
.post("/api/users")
.expectStatus(201);
try (FlashWebSocket socket = app.ws("/live")) {
socket.sendText("hello");
assertEquals("echo:hello", socket.awaitText(Duration.ofSeconds(2)));
}
```
### Replacing services
`mock` installs replacements after everything your app and its extensions declare, so a fake always
wins. Any object will do — `flash-testing` depends on no mocking library, so a hand-written fake and
a Mockito mock are equally welcome.
### More than one server
`FlashTest` is an ordinary object in a field, so a test class can hold as many as it needs and wire
one from another in plain Java. Startup is lazy — reading `baseUri()` boots that server on the spot
— so declaration order does the wiring:
```java
@RegisterExtension static FlashTest auth = FlashTest.of(new FakeOidcApp());
@RegisterExtension static FlashTest api = FlashTest.of(new BlogApp(auth.baseUri()));
```
### Scope
A `static` field boots once for the test class; a non-static field boots a fresh app for every test.
That is stock JUnit field semantics — the isolation switch is the keyword, not an option.
### Configuration
Full reference: [`flash-testing/docs`](flash-testing/docs/README.md), including the
[limits](flash-testing/docs/limits.md) the harness deliberately does not cross.
`profile` customises the `FlashConfiguration` — timeouts, HTTP/2 switches, buffer sizes. Host, port
and the shutdown drain window are stamped afterwards, so a profile cannot break the harness;
`listener(...)` and `tls(...)` are rejected because the harness owns the loopback listener it gives
you a client for.
```java
FlashTest.of(new BlogApp()).profile(cfg -> cfg.http2CleartextEnabled(true));
```
## Architecture
```
ServerSocket.accept()
→ RequestParser.parse() # zero-alloc header parsing, buffer reuse across keep-alive
→ GlobalRouter.route() # two-tier: mounted sub-routers (longest prefix) then FastPathRouterImpl
→ RequestHandler.handle() # user handler; return value sets body
→ Request.drain() # consume unread body for keep-alive
→ HttpServer writes response # status line, headers, then fixed or chunked body
→ loop or close socket # based on Connection header
TransportFactory.create() # binds every listener, wires the connection runner
→ AcceptLoop # one per listener × accept thread; hands sockets off
→ ConnectionRunner.accept() # per-connection setup: TLS handshake, protocol negotiation
→ ProtocolNegotiator # ALPN / h2c-preface — decides the protocol once
├─ Http1Connection.run() # request parser, router, handler, h1 response writer
└─ Http2Connection.run() # frame demux, HPACK, stream dispatch, flow control
→ RequestHandler.handle() # the same protocol-neutral request/response API
```
- **Virtual threads** — each accepted socket runs on a virtual thread (`Executors.newVirtualThreadPerTaskExecutor()`). Java 21 required.
- **Virtual threads** — each accepted socket runs on a virtual thread (`Executors.newVirtualThreadPerTaskExecutor()`, owned by `TransportFactory`). Java 21 required.
- **Zero-allocation router** — `FastPathRouterImpl` uses `fpr-core`, a byte-level FSM that matches on `METHOD + path` bytes with no per-request allocation.
- **Keep-alive** — `RequestParser` reuses its header buffer across requests on the same connection.
- **Chunked transfer** — both chunked request bodies (decoded via `ChunkedInputStream`) and chunked response bodies are supported.
- **TLS is transport-only** — see [TLS](#tls). Listeners bind either a plain `ServerSocket` or an `SSLServerSocket`; nothing downstream of `accept()` branches on which.
- **`ConnectionProtocol` seam** — HTTP/1.1 and HTTP/2 are peers behind this interface, selected once per connection by `ProtocolNegotiator`; routing and application models are shared.
## Build & test
@@ -193,7 +534,4 @@ mvn test
# Run a single test class
mvn test -pl flash -Dtest=RequestParserTest
# Run the benchmark demo server
java -jar flash-bench/target/flash-bench-1.0-SNAPSHOT.jar
```
benchmarks/websocket/benchmark.yml
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@@ -0,0 +1,24 @@
config:
target: "ws://localhost:8080/echo"
engines:
ws: {}
phases:
- duration: 30
arrivalRate: 50
rampTo: 500
name: "Riscaldamento progressivo"
- duration: 120
arrivalRate: 1000 # 1000 nuovi utenti al secondo
name: "Carico Estremo"
ensure:
maxErrorRate: 5
p99: 150
scenarios:
- name: "Saturazione Totale"
engine: ws
flow:
- loop:
- send: "Benchmark data"
# Rimosso il 'think' per eliminare il limite artificiale di 10msg/s per utente
count: 100 # Ogni utente spara a raffica 100 messaggi senza pause
flash-extensions/flash-ext-auth-core/docs/README.md
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@@ -0,0 +1,105 @@
# flash-ext-auth-core
Authorization, and the plumbing that carries a caller's identity through a request. It does not
know how anyone signed in — that is a `CredentialSource`, and `flash-ext-auth-oidc` ships the
OpenID Connect one.
The split follows the same shape as `flash-ext-cache-core`/`-caffeine` and
`flash-ext-data-core`/`-hibernate`: the abstract half here, the implementations beside it.
## The model
```
request ──► CredentialSource.authenticate(req, res) ──► claims
│
ClaimsHolder.set (this module only)
│
AuthMiddleware matches roles / scopes
│
handler
```
| Type | What it is |
|---|---|
| `CredentialSource` | Turns what a request carries into claims, or rejects it. One per mechanism. |
| `AuthMiddleware` | Publishes the claims, enforces `@RolesAllowed`/`@ScopesAllowed`, clears up. |
| `ClaimsHolder` | The current request's claims. Read from anywhere; written only from here. |
| `Claims` | Typed view over a claims map — `sub()`, `email()`, `roles(path)`, `scopes()`. |
| `AuthPolicy` | What a handler's annotations compiled to, resolved once at boot. |
| `Session`, `SessionStore` | Server-side sessions for sources that keep them. |
Nothing outside this module can write `ClaimsHolder`. A source *returns* claims and the middleware
publishes them, so no code can put claims on a request that did not carry them.
## Using it
You rarely install this module directly — an extension that contributes a source does it for you:
```java
// inside your extension's configure(...)
AuthMiddleware auth = AuthMiddleware.install(ctx, AuthConfig.builder()
.rolesClaimPath("realm_access.roles")
.scopeClaimPaths("scope,scp")
.build(), mySource);
```
`install` publishes the middleware in the context and registers the annotation processor, so every
scanned handler carrying an auth annotation is mounted behind it. See
[`credential-sources.md`](credential-sources.md) to write a source of your own.
On lambda routes, take the middleware out of the context:
```java
AuthMiddleware auth = app.ctx().require(AuthMiddleware.class);
app.get("/api/me", (req, res) -> ClaimsHolder.claim("sub"), auth.protect());
app.get("/", homeHandler, auth.optional());
app.delete("/admin/users/{id}", deleteHandler, auth.requireRole("admin"));
app.post("/orders", createOrder, auth.requireScopes("orders:write"));
```
## Annotations
On a scanned handler class, and mounted automatically:
| Annotation | Effect |
|---|---|
| `@Authenticated` | Any accepted credential. No role check. |
| `@Authenticated(optional = true)` | Never rejects; publishes claims when there are some. |
| `@RolesAllowed({"a","b"})` | Authenticated **and** holding at least one of the roles. |
| `@ScopesAllowed({"x","y"})` | Authenticated **and** holding all of the scopes. |
| `@ScopesAllowed(value = {...}, match = ANY)` | …at least one of them. |
`@Authenticated(optional = true)` cannot be combined with a role or scope requirement — asking for
a role on a route that admits anonymous callers is a contradiction, and it fails at boot rather
than at 3am.
## Where roles and scopes are read from
`AuthConfig` names the claim paths, because every provider spells them differently:
| | Default | Common alternatives |
|---|---|---|
| `rolesClaimPath` | `roles` | `realm_access.roles` (Keycloak), `groups` (Authelia) |
| `scopeClaimPaths` | `scope,scp` | plus e.g. `permissions.scopes` |
Paths are dot-separated and walk nested maps. Scope paths are a comma-separated list tried in
order, so a token that puts scopes in `scp` and a legacy one that uses `scope` both work.
Matching is deliberate about a distinction that bites otherwise:
- a **string** claim is split on spaces, tabs, newlines and commas — `"openid orders:read"` is two
scopes;
- a **list** claim is compared entry by entry, whole and trimmed — `["a b"]` is one role named
`a b`, not two.
Prefix matches never count: `administrator` does not satisfy `admin`.
## Ordering around authentication
`AuthMiddleware.POLICY` is the boot-time key the annotation-driven node mounts under. An extension
contributing its own middleware can order itself against it:
```java
MiddlewareNode.of(MY_KEY, myMiddleware).afterIfPresent(AuthMiddleware.POLICY);
```
flash-extensions/flash-ext-auth-core/docs/credential-sources.md
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# Writing a credential source
A `CredentialSource` is the only thing that stands between a request and its claims. Everything
else in this module — annotations, policy, matching, the holder — works the same regardless of
which one is installed.
```java
public interface CredentialSource {
Map<String, Object> authenticate(Request req, Response res);
Map<String, Object> peek(Request req);
default String insufficientScopeChallenge(String[] requiredScopes) { return null; }
}
```
## `authenticate` has three outcomes, and the last two are not the same
| Return | Means | The middleware then |
|---|---|---|
| claims | a valid credential was presented | publishes them and calls the handler |
| `null` | **no** credential, and the source has already answered the request | stops, writes nothing more |
| throws `HttpException` | a credential **was** presented and is invalid | propagates it |
Flattening the last two is the single easiest way to get this wrong. "No session, send the browser
to the sign-in page" and "this token is forged" are different answers, and a caller can tell:
the first is a `302` to a login screen, the second a `401` the client must not retry blindly.
A source that returns `null` owns the response by then — it has redirected, or written a `401` with
its own `WWW-Authenticate` header. A source that throws sets any challenge header it owes *before*
throwing, because the exception unwinds past the middleware.
`peek` is the same resolution with every rejection removed: no throwing, no redirecting, `null`
when there is nothing valid. It backs `@Authenticated(optional = true)`, where an anonymous caller
is a normal outcome. Never make `peek` refresh state that `authenticate` would not have.
## A minimal source
```java
public final class ApiKeySource implements CredentialSource {
private final Map<String, Map<String, Object>> keys; // key -> claims
@Override
public Map<String, Object> authenticate(Request req, Response res) {
String key = req.header("X-Api-Key");
if (key == null) {
res.header("WWW-Authenticate", "ApiKey realm=\"api\"");
throw HttpException.unauthorized();
}
Map<String, Object> claims = keys.get(key);
if (claims == null) throw HttpException.unauthorized(); // presented and wrong
return claims;
}
@Override
public Map<String, Object> peek(Request req) {
String key = req.header("X-Api-Key");
return key != null ? keys.get(key) : null;
}
}
```
This one never returns `null` from `authenticate` — it has no sign-in flow to redirect into, so
"absent" and "invalid" both mean `401`. That is a legitimate shape; the three outcomes are what
the interface *allows*, not a checklist.
## Claims are yours to shape
The claims map is whatever your mechanism produces. `Claims` reads a few conventional keys —
`sub`, `email`, `name`, `preferred_username` — so populating those makes your source work with
code written against any other. Roles and scopes are read from wherever `AuthConfig` points, so
they can live under any key you like as long as the two agree.
## Installing it
```java
public final class ApiKeyExtension implements FlashExtension {
@Override
public void configure(FlashRegistrar<?> app, FlashContext ctx) {
ctx.provide(ApiKeySource.class, source);
AuthMiddleware.install(ctx, AuthConfig.builder()
.rolesClaimPath("roles")
.build(), source);
}
}
```
`AuthMiddleware.install` also registers the annotation processor, so scanned handlers carrying
`@Authenticated` and friends are mounted behind your source with nothing further to do.
## One source at a time
`AuthMiddleware` is published in the context under its own type, so installing two extensions that
each call `install` leaves the last one winning — quietly. If an app genuinely needs to accept two
kinds of credential, that is one source that tries both, not two sources: the order they are tried
in, and what happens when the first rejects, are decisions that have to live somewhere explicit.
flash-extensions/flash-ext-auth-core/docs/sessions.md
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@@ -0,0 +1,49 @@
# Sessions
A `Session` is what a credential source keeps server-side between requests, looked up by a cookie.
Core owns the container; what goes in it is the source's business.
```java
public final class Session {
String id();
Map<String, Object> claims();
Instant expiresAt();
Map<String, Object> attributes();
boolean isExpired();
Object attribute(String key);
String attributeAsString(String key);
}
```
## Why it expires early
`isExpired()` returns true **30 seconds before** `expiresAt`. Without that window a session can
pass the check at the top of a request and be dead by the time the handler uses it — a class of
failure that reproduces once a day and never in a test. Renewal is therefore always slightly
premature, on purpose.
## Attributes
`attributes()` is opaque to this module. `flash-ext-auth-oidc` keeps its access, id and refresh
tokens there under its own keys, which is what lets renewal stay entirely inside that extension
while the session itself carries no OAuth2 vocabulary.
Store what your source needs to renew or revoke, and nothing a handler should be reading — handlers
read `claims()`.
## The store
```java
public interface SessionStore {
void save(Session session);
Optional<Session> find(String sessionId);
void delete(String sessionId);
}
```
`InMemorySessionStore` is the default: a `ConcurrentHashMap`, fine for a single instance, and it
loses every session on restart. Supply your own for Redis or JDBC when sessions have to survive a
deploy or be shared across nodes.
Sessions are immutable. Renewing one builds a new instance with the same `id()` and `save`s it
over the old — there is no mutate-in-place path, so a store can cache or serialise freely.
flash-extensions/flash-ext-auth-core/pom.xml
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@@ -0,0 +1,25 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>dev.relism</groupId>
<artifactId>flash-extensions</artifactId>
<version>2.1.0-SNAPSHOT</version>
</parent>
<artifactId>flash-ext-auth-core</artifactId>
<dependencies>
<dependency>
<groupId>dev.relism</groupId>
<artifactId>flash</artifactId>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
</dependency>
</dependencies>
</project>
flash-extensions/flash-ext-auth-core/src/main/java/dev/relism/flash/ext/auth/AuthConfig.java
+43
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@@ -0,0 +1,43 @@
package dev.relism.flash.ext.auth;
/**
* Where authorization reads its inputs from. Deliberately small: everything about *obtaining* a
* credential belongs to the {@link CredentialSource} that produced it, and everything about
* *checking* one is right here.
*
* <p>Defaults are the generic spelling, not any one provider's. A source that knows better —
* {@code flash-ext-auth-oidc} defaults roles to Keycloak's {@code realm_access.roles} — builds
* its own {@code AuthConfig} with the paths its provider actually uses.
*/
public final class AuthConfig {
private final String rolesClaimPath;
private final String scopeClaimPaths;
private AuthConfig(Builder b) {
this.rolesClaimPath = b.rolesClaimPath;
this.scopeClaimPaths = b.scopeClaimPaths;
}
/** Dot-separated path to the roles list in the claims (default: {@code roles}). */
public String rolesClaimPath() { return rolesClaimPath; }
/** Comma-separated claim paths scopes are read from, in order (default: {@code scope,scp}). */
public String scopeClaimPaths() { return scopeClaimPaths; }
public static Builder builder() { return new Builder(); }
public static final class Builder {
private String rolesClaimPath = "roles";
private String scopeClaimPaths = "scope,scp";
private Builder() {}
/** Dot-separated path to the roles list — e.g. {@code realm_access.roles}, {@code groups}. */
public Builder rolesClaimPath(String path) { this.rolesClaimPath = path; return this; }
/** Comma-separated claim paths scopes are read from, tried in order. */
public Builder scopeClaimPaths(String paths) { this.scopeClaimPaths = paths; return this; }
public AuthConfig build() { return new AuthConfig(this); }
}
}
flash-extensions/flash-ext-auth-core/src/main/java/dev/relism/flash/ext/auth/AuthMiddleware.java
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@@ -0,0 +1,309 @@
package dev.relism.flash.ext.auth;
import dev.relism.flash.exceptions.HttpException;
import dev.relism.flash.extension.FlashContext;
import dev.relism.flash.models.Request;
import dev.relism.flash.models.Response;
import dev.relism.flash.routing.Middleware;
import dev.relism.flash.routing.MiddlewareKey;
import dev.relism.flash.routing.MiddlewareNode;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
/**
* Turns claims into a yes or a no. Exposed in the {@link FlashContext} for manual use on lambda
* routes, and injected automatically for handlers annotated with {@link Authenticated},
* {@link RolesAllowed} or {@link ScopesAllowed}.
*
* <p>It knows nothing about how the caller proved who they are — that is the
* {@link CredentialSource} it is built with. What lives here is the half that is the same for
* every mechanism: publish the claims for the request, match roles and scopes against them, clear
* up afterwards.
*
* <pre>{@code
* AuthMiddleware auth = app.ctx().require(AuthMiddleware.class);
* app.get("/api/me", (req, res) -> ClaimsHolder.claim("sub"), auth.protect());
* app.delete("/admin/users/{id}", handler, auth.requireRole("admin"));
* }</pre>
*/
public class AuthMiddleware {
/**
* Boot-time identity of the node annotation-driven authorization mounts under. Public so an
* extension that contributes its own middleware can order itself around authentication —
* {@code MiddlewareNode.of(...).afterIfPresent(AuthMiddleware.POLICY)}.
*/
public static final MiddlewareKey POLICY = MiddlewareKey.of("flash.auth.policy");
private final AuthConfig config;
private final CredentialSource source;
private final String[] roleClaimPathParts;
private final String[][] scopeClaimPathParts;
public AuthMiddleware(AuthConfig config, CredentialSource source) {
this.config = config;
this.source = source;
this.roleClaimPathParts = splitClaimPath(config.rolesClaimPath());
this.scopeClaimPathParts = splitClaimPaths(config.scopeClaimPaths());
}
/**
* Builds the middleware for {@code source}, publishes it in the context and registers the
* annotation processor that mounts {@link Authenticated}, {@link RolesAllowed} and
* {@link ScopesAllowed} on scanned handlers.
*
* <p>Every extension that contributes a {@link CredentialSource} calls this rather than
* repeating the wiring — the processor and the {@link #POLICY} key belong to one place.
*/
public static AuthMiddleware install(FlashContext ctx, AuthConfig config, CredentialSource source) {
AuthMiddleware middleware = new AuthMiddleware(config, source);
ctx.provide(AuthMiddleware.class, middleware);
ctx.addAnnotationProcessor(handlerClass -> {
AuthPolicy policy = AuthPolicy.compileFromAnnotations(handlerClass);
return policy != null
? List.of(MiddlewareNode.of(POLICY, middleware.authorize(policy)))
: List.of();
});
return middleware;
}
// -- Public API -----------------------------------------------------------
/** The single configured claim path used by every transport for role checks. */
public String rolesClaimPath() { return config.rolesClaimPath(); }
/** The source this middleware authenticates with. */
public CredentialSource source() { return source; }
/**
* The same authorization rules against a different credential source. Used where one route
* needs a variant of an installed source — {@code flash-ext-mcp} protects {@code /mcp} with an
* OIDC source whose challenges carry RFC 9728 resource metadata, while every other route keeps
* the plain one.
*/
public AuthMiddleware withSource(CredentialSource source) {
return new AuthMiddleware(config, source);
}
/**
* Rejects the request unless the caller is authenticated. How it is rejected — a 401 with a
* challenge, a redirect into a sign-in flow — is the source's decision, not this one's.
*/
public Middleware protect() {
return next -> (req, res) -> {
Map<String, Object> claims = source.authenticate(req, res);
if (claims == null) return null; // the source already answered the request
ClaimsHolder.set(claims);
try {
return next.handle(req, res);
} finally {
ClaimsHolder.clear();
}
};
}
/**
* Publishes claims when the caller happens to be authenticated and never rejects anyone. Use
* it on public routes that personalise their response for signed-in callers.
*
* <pre>{@code
* app.get("/", handler, auth.optional());
* // Inside handler: ClaimsHolder.current() is non-null iff the caller is signed in.
* }</pre>
*/
public Middleware optional() {
return next -> (req, res) -> {
Map<String, Object> claims = source.peek(req);
if (claims != null) ClaimsHolder.set(claims);
try {
return next.handle(req, res);
} finally {
ClaimsHolder.clear();
}
};
}
/**
* Applies a policy compiled once at boot from a handler's annotations. This is the path
* annotation-driven mounting takes.
*/
public Middleware authorize(AuthPolicy policy) {
if (policy.optionalAuth()) return optional();
return next -> (req, res) -> {
Map<String, Object> claims = source.authenticate(req, res);
if (claims == null) return null;
enforcePolicy(claims, policy, res);
ClaimsHolder.set(claims);
try {
return next.handle(req, res);
} finally {
ClaimsHolder.clear();
}
};
}
/** {@link #protect()} plus at least one of the given roles (OR semantics). */
public Middleware requireRole(String... roles) {
return authorize(AuthPolicy.rolesAny(roles));
}
/** {@link #protect()} plus every one of the given scopes. */
public Middleware requireScopes(String... scopes) {
return authorize(AuthPolicy.scopes(scopes, ScopesAllowed.Match.ALL));
}
/** {@link #protect()} plus at least one of the given scopes. */
public Middleware requireAnyScope(String... scopes) {
return authorize(AuthPolicy.scopes(scopes, ScopesAllowed.Match.ANY));
}
// -- Policy enforcement ---------------------------------------------------
private void enforcePolicy(Map<String, Object> claims, AuthPolicy policy, Response res) {
checkRoles(claims, policy.requiredRoles());
checkScopes(claims, policy.requiredScopes(), policy.scopeMatch(), res);
}
private void checkRoles(Map<String, Object> claims, String[] required) {
if (required.length == 0) return;
if (rolesAllowed(claims, required)) return;
throw HttpException.forbidden();
}
private void checkScopes(Map<String, Object> claims, String[] required, ScopesAllowed.Match match,
Response res) {
if (required.length == 0) return;
if (scopesAllowed(claims, required, match)) return;
String challenge = source.insufficientScopeChallenge(required);
if (challenge != null) res.header("WWW-Authenticate", challenge);
throw HttpException.forbidden();
}
// -- Claim matching -------------------------------------------------------
boolean rolesAllowed(Map<String, Object> claims, String[] required) {
Object actual = valueAtPath(claims, roleClaimPathParts);
if (actual == null) return false;
for (String role : required) {
if (containsToken(actual, role)) return true;
}
return false;
}
boolean scopesAllowed(Map<String, Object> claims, String[] required, ScopesAllowed.Match match) {
if (match == ScopesAllowed.Match.ALL) {
for (String scope : required) {
if (!hasScope(claims, scope)) return false;
}
return true;
}
for (String scope : required) {
if (hasScope(claims, scope)) return true;
}
return false;
}
private boolean hasScope(Map<String, Object> claims, String scope) {
for (String[] pathParts : scopeClaimPathParts) {
Object value = valueAtPath(claims, pathParts);
if (value != null && containsToken(value, scope)) return true;
}
return false;
}
private static Object valueAtPath(Map<String, Object> claims, String[] pathParts) {
Object current = claims;
for (String part : pathParts) {
if (!(current instanceof Map<?, ?> map)) return null;
current = map.get(part);
if (current == null) return null;
}
return current;
}
private static boolean containsToken(Object source, String token) {
if (source instanceof String s) return containsDelimitedToken(s, token);
if (source instanceof List<?> list) {
for (Object item : list) {
if (item == null) continue;
if (tokenEquals(item.toString(), token)) return true;
}
return false;
}
if (source instanceof Object[] arr) {
for (Object item : arr) {
if (item == null) continue;
if (tokenEquals(item.toString(), token)) return true;
}
return false;
}
return tokenEquals(source.toString(), token);
}
private static boolean containsDelimitedToken(String value, String token) {
int len = value.length();
int i = 0;
while (i < len) {
while (i < len && isScopeDelimiter(value.charAt(i))) i++;
int start = i;
while (i < len && !isScopeDelimiter(value.charAt(i))) i++;
int end = i;
if (end > start && end - start == token.length() && value.regionMatches(start, token, 0, token.length())) {
return true;
}
}
return false;
}
private static boolean tokenEquals(String value, String token) {
int start = 0;
int end = value.length();
while (start < end && Character.isWhitespace(value.charAt(start))) start++;
while (end > start && Character.isWhitespace(value.charAt(end - 1))) end--;
return end - start == token.length() && value.regionMatches(start, token, 0, token.length());
}
private static boolean isScopeDelimiter(char c) {
return c == ' ' || c == '\t' || c == '\n' || c == '\r' || c == ',';
}
private static String[] splitClaimPath(String path) {
if (path == null || path.isBlank()) {
throw new IllegalStateException("Claim path cannot be blank");
}
List<String> parts = new ArrayList<>(4);
int start = 0;
int len = path.length();
for (int i = 0; i <= len; i++) {
if (i == len || path.charAt(i) == '.') {
String p = path.substring(start, i).trim();
if (!p.isEmpty()) parts.add(p);
start = i + 1;
}
}
if (parts.isEmpty()) {
throw new IllegalStateException("Claim path cannot be blank");
}
return parts.toArray(String[]::new);
}
private static String[][] splitClaimPaths(String paths) {
String source = (paths == null || paths.isBlank()) ? "scope,scp" : paths;
List<String[]> out = new ArrayList<>(4);
int start = 0;
int len = source.length();
for (int i = 0; i <= len; i++) {
if (i == len || source.charAt(i) == ',') {
String raw = source.substring(start, i).trim();
if (!raw.isEmpty()) out.add(splitClaimPath(raw));
start = i + 1;
}
}
if (out.isEmpty()) {
return new String[][]{ splitClaimPath("scope"), splitClaimPath("scp") };
}
return out.toArray(String[][]::new);
}
}
flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcAuthPolicy.java → flash-extensions/flash-ext-auth-core/src/main/java/dev/relism/flash/ext/auth/AuthPolicy.java
+18 -18
View File
@@ -1,4 +1,4 @@
package dev.relism.flash.ext.oidc;
package dev.relism.flash.ext.auth;
import java.util.LinkedHashSet;
import java.util.List;
@@ -7,13 +7,13 @@ import java.util.List;
* Compiled authorization policy derived from handler annotations at mount time.
* Immutable and allocation-free on the request hot path.
*/
final class OidcAuthPolicy {
public final class AuthPolicy {
private static final String[] EMPTY = new String[0];
private static final OidcAuthPolicy AUTH_REQUIRED = new OidcAuthPolicy(
private static final AuthPolicy AUTH_REQUIRED = new AuthPolicy(
false, EMPTY, EMPTY, ScopesAllowed.Match.ALL);
private static final OidcAuthPolicy AUTH_OPTIONAL = new OidcAuthPolicy(
private static final AuthPolicy AUTH_OPTIONAL = new AuthPolicy(
true, EMPTY, EMPTY, ScopesAllowed.Match.ALL);
private final boolean optionalAuth;
@@ -21,7 +21,7 @@ final class OidcAuthPolicy {
private final String[] requiredScopes;
private final ScopesAllowed.Match scopeMatch;
private OidcAuthPolicy(boolean optionalAuth,
private AuthPolicy(boolean optionalAuth,
String[] requiredRoles,
String[] requiredScopes,
ScopesAllowed.Match scopeMatch) {
@@ -31,19 +31,19 @@ final class OidcAuthPolicy {
this.scopeMatch = scopeMatch;
}
static OidcAuthPolicy authenticated() { return AUTH_REQUIRED; }
public static AuthPolicy authenticated() { return AUTH_REQUIRED; }
static OidcAuthPolicy optional() { return AUTH_OPTIONAL; }
public static AuthPolicy optional() { return AUTH_OPTIONAL; }
static OidcAuthPolicy rolesAny(String... roles) {
return new OidcAuthPolicy(false, normalizeRequired("RolesAllowed", roles), EMPTY, ScopesAllowed.Match.ALL);
public static AuthPolicy rolesAny(String... roles) {
return new AuthPolicy(false, normalizeRequired("RolesAllowed", roles), EMPTY, ScopesAllowed.Match.ALL);
}
static OidcAuthPolicy scopes(String[] scopes, ScopesAllowed.Match match) {
return new OidcAuthPolicy(false, EMPTY, normalizeRequired("ScopesAllowed", scopes), match);
public static AuthPolicy scopes(String[] scopes, ScopesAllowed.Match match) {
return new AuthPolicy(false, EMPTY, normalizeRequired("ScopesAllowed", scopes), match);
}
static OidcAuthPolicy compileFromAnnotations(Class<?> handlerClass) {
public static AuthPolicy compileFromAnnotations(Class<?> handlerClass) {
Authenticated auth = handlerClass.getAnnotation(Authenticated.class);
RolesAllowed roles = handlerClass.getAnnotation(RolesAllowed.class);
ScopesAllowed scopes = handlerClass.getAnnotation(ScopesAllowed.class);
@@ -60,10 +60,10 @@ final class OidcAuthPolicy {
+ handlerClass.getName());
}
return new OidcAuthPolicy(optionalAuth, requiredRoles, requiredScopes, scopeMatch);
return new AuthPolicy(optionalAuth, requiredRoles, requiredScopes, scopeMatch);
}
static List<String> openApiScopesFor(Class<?> handlerClass) {
public static List<String> openApiScopesFor(Class<?> handlerClass) {
Authenticated auth = handlerClass.getAnnotation(Authenticated.class);
RolesAllowed roles = handlerClass.getAnnotation(RolesAllowed.class);
ScopesAllowed scopes = handlerClass.getAnnotation(ScopesAllowed.class);
@@ -72,13 +72,13 @@ final class OidcAuthPolicy {
return List.of(normalizeRequired("ScopesAllowed", scopes.value()));
}
boolean optionalAuth() { return optionalAuth; }
public boolean optionalAuth() { return optionalAuth; }
String[] requiredRoles() { return requiredRoles; }
public String[] requiredRoles() { return requiredRoles; }
String[] requiredScopes() { return requiredScopes; }
public String[] requiredScopes() { return requiredScopes; }
ScopesAllowed.Match scopeMatch() { return scopeMatch; }
public ScopesAllowed.Match scopeMatch() { return scopeMatch; }
private static String[] normalizeRequired(String annotation, String[] values) {
if (values == null || values.length == 0)
flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/Authenticated.java → flash-extensions/flash-ext-auth-core/src/main/java/dev/relism/flash/ext/auth/Authenticated.java
+9 -9
View File
@@ -1,4 +1,4 @@
package dev.relism.flash.ext.oidc;
package dev.relism.flash.ext.auth;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
@@ -6,23 +6,23 @@ import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Marks a handler as requiring a valid JWT. Any bearer token that passes
* signature + expiry + issuer validation is accepted — no role check is performed.
* Marks a handler as requiring an authenticated caller. Any credential a registered source
* accepts is enough — no role or scope check is performed.
*
* <p>For role-based access use {@link RolesAllowed} instead (it implies authentication).
*
* <p>Set {@code optional = true} on public routes that personalise their response when
* the user happens to be logged in but should remain accessible to guests. The middleware
* will populate {@link ClaimsHolder} if credentials are present and silently skip it
* otherwise — the request is never rejected.
* <p>Set {@code optional = true} on public routes that personalise their response when the caller
* happens to be signed in but should remain reachable by guests. The middleware populates
* {@link ClaimsHolder} when a credential is present and silently skips it otherwise — the request
* is never rejected.
*
* <pre>{@code
* // Hard auth — redirects / 401 when unauthenticated:
* // Hard auth — 401 or a redirect when unauthenticated:
* @Route(method = HttpMethod.GET, path = "/api/profile")
* @Authenticated
* public class GetProfile extends JacksonHandler { ... }
*
* // Soft auth — guest-friendly, ClaimsHolder populated only when logged in:
* // Soft auth — guest-friendly, ClaimsHolder populated only when signed in:
* @Route(method = HttpMethod.GET, path = "/")
* @Authenticated(optional = true)
* public class HomePage extends HtmlHandler { ... }
flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcUser.java → flash-extensions/flash-ext-auth-core/src/main/java/dev/relism/flash/ext/auth/Claims.java
+15 -22
View File
@@ -1,43 +1,36 @@
package dev.relism.flash.ext.oidc;
package dev.relism.flash.ext.auth;
import java.util.List;
import java.util.Map;
import java.util.ArrayList;
/**
* Type-safe view over the JWT claims stored in {@link ClaimsHolder}.
* A typed view over one request's claims — whatever the {@link CredentialSource} that
* authenticated it produced. Obtained from {@link ClaimsHolder#current()}.
*
* <p>Obtainable from any protected context via {@link ClaimsHolder#user()}.
* Class-based handlers that extend the {@code SessionHandler} hierarchy already
* have a provisioned DB user in {@code currentUser}; {@code OidcUser} complements
* that by giving access to the raw OIDC claims when needed, and is the primary
* API for lambda routes.
* <p>The accessors name claim <em>keys</em>, not a protocol: {@code sub} is RFC 7519, and
* {@code email}, {@code name} and {@code preferred_username} are spelled the same way by every
* token issuer worth integrating. A source that uses different keys exposes them through
* {@link #claim(String)} or {@link #roles(String)}.
*
* <pre>{@code
* // Lambda route (OidcMiddleware injected):
* app.get("/api/whoami", (req, res) -> {
* OidcUser u = ClaimsHolder.user();
* return Map.of("sub", u.sub(), "email", u.email(), "roles", u.roles("realm_access.roles"), "scopes", u.scopes());
* }, oidcMw.protect());
*
* // Class-based handler (currentUser is the DB entity; oidcUser() for raw claims):
* protected Object handleAuthenticated(Request req, Response res) throws Exception {
* OidcUser u = oidcUser(); // same as ClaimsHolder.user()
* return json(res, currentUser); // DB entity — provisioned from OIDC sub
* }
* Claims c = ClaimsHolder.current();
* return Map.of("sub", c.sub(), "email", c.email(), "roles", c.roles("realm_access.roles"));
* }, auth.protect());
* }</pre>
*/
public final class OidcUser {
public final class Claims {
private final Map<String, Object> claims;
OidcUser(Map<String, Object> claims) {
Claims(Map<String, Object> claims) {
this.claims = claims;
}
// ── Common OIDC standard claims ───────────────────────────────────────────
// ── Common claims ─────────────────────────────────────────────────────────
/** Subject identifier — unique, stable user ID issued by the provider. */
/** Subject identifier — the stable, unique id of the caller. */
public String sub() { return str("sub"); }
/** User's email address ({@code email} claim). */
@@ -84,7 +77,7 @@ public final class OidcUser {
// -- Scopes ---------------------------------------------------------------
/**
* Resolves OAuth2 scopes from standard OIDC/OAuth claims using fallback order:
* Resolves scopes using the conventional fallback order:
* {@code scope} then {@code scp}. Supports both space-separated string and list forms.
*/
public List<String> scopes() {
flash-extensions/flash-ext-auth-core/src/main/java/dev/relism/flash/ext/auth/ClaimsHolder.java
+64
View File
@@ -0,0 +1,64 @@
package dev.relism.flash.ext.auth;
import java.util.Map;
/**
* The current request's claims, published by {@link AuthMiddleware} before the handler runs and
* cleared in a {@code finally} afterwards.
*
* <p>Safe with virtual threads: each request gets its own, so a {@link ThreadLocal} is naturally
* isolated per request.
*
* <p>Writing is deliberately not public. A {@link CredentialSource} returns claims and the
* middleware publishes them, so no code outside this module can put claims on a request that did
* not carry them.
*
* <pre>{@code
* // Inside any handler behind @Authenticated or @RolesAllowed:
* Claims caller = ClaimsHolder.current();
* String email = caller.email();
* List<String> roles = caller.roles("realm_access.roles");
*
* // Raw escape hatch:
* Map<String, Object> all = ClaimsHolder.map();
* }</pre>
*/
public final class ClaimsHolder {
private static final ThreadLocal<Map<String, Object>> HOLDER = new ThreadLocal<>();
private ClaimsHolder() {}
/** Called by {@link AuthMiddleware} once a source has authenticated the request. */
static void set(Map<String, Object> claims) {
HOLDER.set(claims);
}
/** Called by {@link AuthMiddleware} in the {@code finally} block. */
static void clear() {
HOLDER.remove();
}
/**
* A typed view of the current request's claims, or {@code null} when the route carries no
* authentication middleware or the caller is anonymous under
* {@link Authenticated}{@code (optional = true)}.
*/
public static Claims current() {
Map<String, Object> claims = HOLDER.get();
return claims != null ? new Claims(claims) : null;
}
/** The raw claims map for the current request, or {@code null}. @see #current() */
public static Map<String, Object> map() {
return HOLDER.get();
}
/** A single claim as a String, or {@code null} when absent or the caller is anonymous. */
public static String claim(String key) {
Map<String, Object> claims = HOLDER.get();
if (claims == null) return null;
Object v = claims.get(key);
return v != null ? v.toString() : null;
}
}
flash-extensions/flash-ext-auth-core/src/main/java/dev/relism/flash/ext/auth/CredentialSource.java
+48
View File
@@ -0,0 +1,48 @@
package dev.relism.flash.ext.auth;
import dev.relism.flash.exceptions.HttpException;
import dev.relism.flash.models.Request;
import dev.relism.flash.models.Response;
import java.util.Map;
/**
* Turns whatever a request carries — a bearer token, a session cookie, an API key — into the
* claims authorization runs on. One is installed per authentication mechanism;
* {@code flash-ext-auth-oidc} contributes the OpenID Connect one.
*
* <p>Implementations never touch {@link ClaimsHolder}: they produce claims and {@link
* AuthMiddleware} publishes them for the duration of the request. Nothing outside this module can
* inject claims into a request, which is the point.
*/
public interface CredentialSource {
/**
* Resolves the caller's claims, rejecting the request when it cannot.
*
* <p>Three outcomes, and the difference between the last two matters:
* <ul>
* <li>claims — the caller presented a valid credential;</li>
* <li>{@code null} — no credential was presented and this source has already answered the
* request itself (typically a redirect into a sign-in flow). The middleware stops and
* writes nothing more;</li>
* <li>{@link HttpException} — a credential <em>was</em> presented and is invalid. The source
* sets any challenge header it owes the caller before throwing.</li>
* </ul>
*/
Map<String, Object> authenticate(Request req, Response res);
/**
* Resolves claims without ever rejecting: {@code null} when no valid credential is present.
* Backs {@link Authenticated}{@code (optional = true)}, where an anonymous caller is a normal
* outcome rather than a failure.
*/
Map<String, Object> peek(Request req);
/**
* The {@code WWW-Authenticate} value to send with a 403 caused by missing scopes, or
* {@code null} when this source has no such concept. Only consulted after authentication has
* already succeeded.
*/
default String insufficientScopeChallenge(String[] requiredScopes) { return null; }
}
flash-extensions/flash-ext-auth-core/src/main/java/dev/relism/flash/ext/auth/InMemorySessionStore.java
+20
View File
@@ -0,0 +1,20 @@
package dev.relism.flash.ext.auth;
import java.util.Optional;
import java.util.concurrent.ConcurrentHashMap;
/**
* Thread-safe in-memory {@link SessionStore}.
*
* <p>Sessions are lost on restart and not shared across instances. For
* production deployments with multiple nodes or restart-persistence requirements,
* supply another implementation to whichever {@link CredentialSource} owns the session.
*/
public final class InMemorySessionStore implements SessionStore {
private final ConcurrentHashMap<String, Session> store = new ConcurrentHashMap<>();
@Override public void save(Session s) { store.put(s.id(), s); }
@Override public Optional<Session> find(String id) { return Optional.ofNullable(store.get(id)); }
@Override public void delete(String id) { store.remove(id); }
}
flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/RolesAllowed.java → flash-extensions/flash-ext-auth-core/src/main/java/dev/relism/flash/ext/auth/RolesAllowed.java
+7 -8
View File
@@ -1,4 +1,4 @@
package dev.relism.flash.ext.oidc;
package dev.relism.flash.ext.auth;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
@@ -6,20 +6,19 @@ import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Restricts a handler to callers whose JWT contains at least one of the
* specified roles. Authentication is implicitly required — no need to combine
* with {@link Authenticated}.
* Restricts a handler to callers holding at least one of the named roles. Authentication is
* implied — there is no need to combine it with {@link Authenticated}.
*
* <p>Roles are read from the claim configured in {@link OidcConfig#rolesClaimPath()}
* (default: {@code "roles"}). Nested paths like {@code "realm_access.roles"} are
* supported with dot notation.
* <p>Roles are read from the claim path the installed credential source is configured with
* (Keycloak's is {@code realm_access.roles}; many providers use a flat {@code roles} or
* {@code groups}). Nested paths use dot notation.
*
* <pre>{@code
* @Route(method = HttpMethod.DELETE, path = "/api/admin/blogs/{id}")
* @RolesAllowed("admin")
* public class DeleteBlog extends JacksonHandler { ... }
*
* // Multiple accepted roles (OR semantics — any one role is sufficient):
* // Multiple accepted roles (OR semantics — any one is sufficient):
* @RolesAllowed({"admin", "editor"})
* public class UpdateBlog extends JacksonHandler { ... }
* }</pre>
flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/ScopesAllowed.java → flash-extensions/flash-ext-auth-core/src/main/java/dev/relism/flash/ext/auth/ScopesAllowed.java
+3 -3
View File
@@ -1,4 +1,4 @@
package dev.relism.flash.ext.oidc;
package dev.relism.flash.ext.auth;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
@@ -6,11 +6,11 @@ import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Restricts a handler to callers whose token carries the required OAuth2 scopes.
* Restricts a handler to callers whose credential carries the required scopes.
* Authentication is implicitly required.
*
* <p>Scopes are resolved from the configured claim paths in
* {@link OidcConfig#scopeClaimPaths()} (default: {@code "scope,scp"}) and support
* {@link AuthConfig#scopeClaimPaths()} (default: {@code "scope,scp"}) and support
* both standard formats:
* <ul>
* <li>{@code scope}: space-separated string</li>
flash-extensions/flash-ext-auth-core/src/main/java/dev/relism/flash/ext/auth/Session.java
+53
View File
@@ -0,0 +1,53 @@
package dev.relism.flash.ext.auth;
import java.time.Instant;
import java.util.Map;
/**
* A signed-in caller's server-side session — saved in a {@link SessionStore} and looked up by a
* cookie on every request.
*
* <p>Immutable: renewing one produces a new instance that replaces the old under the same
* {@link #id()}.
*
* <p>{@link #attributes()} is whatever the {@link CredentialSource} needs to keep alongside the
* claims and nothing this module interprets — OpenID Connect stores its access, id and refresh
* tokens there so that renewal is its business rather than core's.
*/
public final class Session {
/** Renew this far before the real expiry, so a session cannot lapse mid-request. */
private static final long EAGER_RENEWAL_SECONDS = 30;
private final String id;
private final Map<String, Object> claims;
private final Instant expiresAt;
private final Map<String, Object> attributes;
public Session(String id, Map<String, Object> claims, Instant expiresAt,
Map<String, Object> attributes) {
this.id = id;
this.claims = Map.copyOf(claims);
this.expiresAt = expiresAt;
this.attributes = attributes == null ? Map.of() : Map.copyOf(attributes);
}
/** True once the session is within {@value #EAGER_RENEWAL_SECONDS} seconds of expiring. */
public boolean isExpired() {
return Instant.now().isAfter(expiresAt.minusSeconds(EAGER_RENEWAL_SECONDS));
}
/** One attribute, or {@code null} when the source never stored it. */
public Object attribute(String key) { return attributes.get(key); }
/** One attribute as a String, or {@code null}. */
public String attributeAsString(String key) {
Object v = attributes.get(key);
return v != null ? v.toString() : null;
}
public String id() { return id; }
public Map<String, Object> claims() { return claims; }
public Instant expiresAt() { return expiresAt; }
public Map<String, Object> attributes() { return attributes; }
}
flash-extensions/flash-ext-auth-core/src/main/java/dev/relism/flash/ext/auth/SessionStore.java
+13
View File
@@ -0,0 +1,13 @@
package dev.relism.flash.ext.auth;
import java.util.Optional;
/**
* Where {@link Session}s live between requests. {@link InMemorySessionStore} is the default;
* supply another for Redis, JDBC, or anything that survives a restart or spans instances.
*/
public interface SessionStore {
void save(Session session);
Optional<Session> find(String sessionId);
void delete(String sessionId);
}
flash-extensions/flash-ext-oidc/src/test/java/dev/relism/flash/ext/oidc/OidcAuthPolicyTest.java → flash-extensions/flash-ext-auth-core/src/test/java/dev/relism/flash/ext/auth/AuthPolicyTest.java
+11 -11
View File
@@ -1,4 +1,4 @@
package dev.relism.flash.ext.oidc;
package dev.relism.flash.ext.auth;
import org.junit.jupiter.api.Test;
@@ -6,7 +6,7 @@ import java.util.List;
import static org.junit.jupiter.api.Assertions.*;
class OidcAuthPolicyTest {
class AuthPolicyTest {
static class PlainHandler {}
@@ -33,12 +33,12 @@ class OidcAuthPolicyTest {
@Test
void compileFromAnnotations_noSecurityAnnotations_returnsNull() {
assertNull(OidcAuthPolicy.compileFromAnnotations(PlainHandler.class));
assertNull(AuthPolicy.compileFromAnnotations(PlainHandler.class));
}
@Test
void compileFromAnnotations_authenticated_createsRequiredAuthPolicy() {
OidcAuthPolicy policy = OidcAuthPolicy.compileFromAnnotations(AuthenticatedHandler.class);
AuthPolicy policy = AuthPolicy.compileFromAnnotations(AuthenticatedHandler.class);
assertNotNull(policy);
assertFalse(policy.optionalAuth());
assertEquals(0, policy.requiredRoles().length);
@@ -47,14 +47,14 @@ class OidcAuthPolicyTest {
@Test
void compileFromAnnotations_optionalAuth_createsOptionalPolicy() {
OidcAuthPolicy policy = OidcAuthPolicy.compileFromAnnotations(OptionalHandler.class);
AuthPolicy policy = AuthPolicy.compileFromAnnotations(OptionalHandler.class);
assertNotNull(policy);
assertTrue(policy.optionalAuth());
}
@Test
void compileFromAnnotations_rolesAndScopes_areNormalizedAndMerged() {
OidcAuthPolicy policy = OidcAuthPolicy.compileFromAnnotations(CombinedHandler.class);
AuthPolicy policy = AuthPolicy.compileFromAnnotations(CombinedHandler.class);
assertNotNull(policy);
assertFalse(policy.optionalAuth());
assertArrayEquals(new String[]{"admin"}, policy.requiredRoles());
@@ -64,7 +64,7 @@ class OidcAuthPolicyTest {
@Test
void compileFromAnnotations_scopesAny_preservesMatchModeAndDedupes() {
OidcAuthPolicy policy = OidcAuthPolicy.compileFromAnnotations(ScopesHandler.class);
AuthPolicy policy = AuthPolicy.compileFromAnnotations(ScopesHandler.class);
assertNotNull(policy);
assertArrayEquals(new String[]{"orders:write", "payments:write"}, policy.requiredScopes());
assertEquals(ScopesAllowed.Match.ANY, policy.scopeMatch());
@@ -73,22 +73,22 @@ class OidcAuthPolicyTest {
@Test
void compileFromAnnotations_optionalCannotBeCombinedWithConstraints() {
assertThrows(IllegalStateException.class,
() -> OidcAuthPolicy.compileFromAnnotations(InvalidOptionalHandler.class));
() -> AuthPolicy.compileFromAnnotations(InvalidOptionalHandler.class));
}
@Test
void openApiScopesFor_returnsScopesWhenPresent() {
assertEquals(List.of("orders:write", "payments:write"),
OidcAuthPolicy.openApiScopesFor(ScopesHandler.class));
AuthPolicy.openApiScopesFor(ScopesHandler.class));
}
@Test
void openApiScopesFor_rolesOnly_returnsEmptyList() {
assertEquals(List.of(), OidcAuthPolicy.openApiScopesFor(RolesHandler.class));
assertEquals(List.of(), AuthPolicy.openApiScopesFor(RolesHandler.class));
}
@Test
void openApiScopesFor_noSecurity_returnsNull() {
assertNull(OidcAuthPolicy.openApiScopesFor(PlainHandler.class));
assertNull(AuthPolicy.openApiScopesFor(PlainHandler.class));
}
}
flash-extensions/flash-ext-auth-core/src/test/java/dev/relism/flash/ext/auth/ClaimMatchingTest.java
+209
View File
@@ -0,0 +1,209 @@
package dev.relism.flash.ext.auth;
import org.junit.jupiter.api.Test;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
/**
* Characterisation tests for claim matching — the part of authorization that has nothing to do
* with OIDC: given a claims map, does the caller hold a role or a scope.
*
* <p>Written to pin the <em>current</em> behaviour, including the edges that are easy to change by
* accident: which characters separate scopes in a string claim, whether a list entry is trimmed
* before comparison, what an empty requirement means under each match mode, and how a claim path
* that walks into a non-map resolves. Every assertion here reflects what the code does today, not
* what it arguably should do.
*/
class ClaimMatchingTest {
/** No credential source: every assertion here is about claims that are already resolved. */
private static AuthMiddleware middleware(String rolesPath, String scopePaths) {
return new AuthMiddleware(AuthConfig.builder()
.rolesClaimPath(rolesPath)
.scopeClaimPaths(scopePaths)
.build(), null);
}
private static AuthMiddleware middleware() {
return middleware("realm_access.roles", "scope,scp");
}
// ── Claim path traversal ─────────────────────────────────────────────────
@Test
void aPathWalksNestedMaps() {
Map<String, Object> claims = Map.of("a", Map.of("b", Map.of("c", List.of("x"))));
assertTrue(middleware("a.b.c", "scope").rolesAllowed(claims, new String[]{"x"}));
}
@Test
void aPathThatWalksIntoANonMapResolvesToNothing() {
// "a" is a string, so "a.b" has nowhere to go — not an error, just no match.
Map<String, Object> claims = Map.of("a", "not-a-map");
assertFalse(middleware("a.b", "scope").rolesAllowed(claims, new String[]{"anything"}));
}
@Test
void aMissingPathResolvesToNothing() {
assertFalse(middleware().rolesAllowed(Map.of("other", "value"), new String[]{"admin"}));
}
@Test
void emptySegmentsInAPathAreSkipped() {
// "realm_access..roles" collapses to the same two segments.
Map<String, Object> claims = Map.of("realm_access", Map.of("roles", List.of("admin")));
assertTrue(middleware("realm_access..roles", "scope").rolesAllowed(claims, new String[]{"admin"}));
}
@Test
void segmentsAreTrimmed() {
Map<String, Object> claims = Map.of("realm_access", Map.of("roles", List.of("admin")));
assertTrue(middleware(" realm_access . roles ", "scope").rolesAllowed(claims, new String[]{"admin"}));
}
@Test
void aBlankRolesPathIsRejectedAtConstruction() {
assertThrows(IllegalStateException.class, () -> middleware(" ", "scope"));
}
@Test
void aNullClaimValueResolvesToNothing() {
Map<String, Object> nested = new HashMap<>();
nested.put("roles", null);
Map<String, Object> claims = Map.of("realm_access", nested);
assertFalse(middleware().rolesAllowed(claims, new String[]{"admin"}));
}
// ── Roles: ANY semantics ─────────────────────────────────────────────────
@Test
void anyOneOfTheRequiredRolesIsEnough() {
Map<String, Object> claims = Map.of("realm_access", Map.of("roles", List.of("user")));
assertTrue(middleware().rolesAllowed(claims, new String[]{"admin", "user"}));
assertFalse(middleware().rolesAllowed(claims, new String[]{"admin", "ops"}));
}
@Test
void requiringNoRoleAtAllMatchesNothing() {
// The loop never runs, so the answer is false even when the claim is present.
Map<String, Object> claims = Map.of("realm_access", Map.of("roles", List.of("admin")));
assertFalse(middleware().rolesAllowed(claims, new String[0]));
}
// ── What counts as "contains" ────────────────────────────────────────────
@Test
void aListClaimMatchesEntrywiseAndTrimsEachEntry() {
Map<String, Object> claims = Map.of("realm_access", Map.of("roles", List.of(" admin ", "user")));
assertTrue(middleware().rolesAllowed(claims, new String[]{"admin"}));
}
@Test
void aListEntryIsNeverSplitOnDelimiters() {
// Unlike a string claim, a list entry is compared whole: "a b" is one role named "a b".
Map<String, Object> claims = Map.of("realm_access", Map.of("roles", List.of("a b")));
assertFalse(middleware().rolesAllowed(claims, new String[]{"a"}));
assertTrue(middleware().rolesAllowed(claims, new String[]{"a b"}));
}
@Test
void nullEntriesInAListAreSkipped() {
Map<String, Object> claims = Map.of("realm_access",
Map.of("roles", Arrays.asList(null, "admin")));
assertTrue(middleware().rolesAllowed(claims, new String[]{"admin"}));
}
@Test
void anArrayClaimBehavesLikeAList() {
Map<String, Object> claims = Map.of("realm_access",
Map.of("roles", (Object) new String[]{"admin", "user"}));
assertTrue(middleware().rolesAllowed(claims, new String[]{"user"}));
}
@Test
void aScalarClaimIsComparedWhole() {
Map<String, Object> claims = Map.of("realm_access", Map.of("roles", 42));
assertTrue(middleware().rolesAllowed(claims, new String[]{"42"}));
}
@Test
void aStringClaimIsSplitOnSpacesTabsNewlinesAndCommas() {
for (String separator : List.of(" ", "\t", "\n", "\r", ",")) {
Map<String, Object> claims = Map.of("realm_access",
Map.of("roles", "admin" + separator + "user"));
assertTrue(middleware().rolesAllowed(claims, new String[]{"user"}),
"separator " + separator.strip().isEmpty() + " should split the claim");
}
}
@Test
void aStringClaimDoesNotMatchAPrefixOrASubstring() {
Map<String, Object> claims = Map.of("realm_access", Map.of("roles", "administrator"));
assertFalse(middleware().rolesAllowed(claims, new String[]{"admin"}));
}
@Test
void repeatedDelimitersProduceNoEmptyTokens() {
Map<String, Object> claims = Map.of("realm_access", Map.of("roles", " ,, admin ,, "));
assertTrue(middleware().rolesAllowed(claims, new String[]{"admin"}));
}
// ── Scopes: ALL vs ANY, across several claim paths ───────────────────────
@Test
void allRequiresEveryScope() {
Map<String, Object> claims = Map.of("scope", "openid orders:read");
assertTrue(middleware().scopesAllowed(claims, new String[]{"openid", "orders:read"}, ScopesAllowed.Match.ALL));
assertFalse(middleware().scopesAllowed(claims, new String[]{"openid", "orders:write"}, ScopesAllowed.Match.ALL));
}
@Test
void anyRequiresOne() {
Map<String, Object> claims = Map.of("scope", "openid");
assertTrue(middleware().scopesAllowed(claims, new String[]{"nope", "openid"}, ScopesAllowed.Match.ANY));
assertFalse(middleware().scopesAllowed(claims, new String[]{"nope", "neither"}, ScopesAllowed.Match.ANY));
}
@Test
void requiringNoScopeIsVacuouslyTrueUnderAllAndFalseUnderAny() {
// The asymmetry falls out of the loops and is load-bearing for @ScopesAllowed's validation,
// which rejects an empty value list before it can ever reach here.
Map<String, Object> claims = Map.of("scope", "openid");
assertTrue(middleware().scopesAllowed(claims, new String[0], ScopesAllowed.Match.ALL));
assertFalse(middleware().scopesAllowed(claims, new String[0], ScopesAllowed.Match.ANY));
}
@Test
void scopesAreLookedForInEveryConfiguredPathUntilOneMatches() {
AuthMiddleware mw = middleware("roles", "scope, scp , permissions.scopes");
Map<String, Object> claims = Map.of(
"scp", List.of("payments:write"),
"permissions", Map.of("scopes", "orders:approve"));
assertTrue(mw.scopesAllowed(claims, new String[]{"payments:write"}, ScopesAllowed.Match.ALL));
assertTrue(mw.scopesAllowed(claims, new String[]{"orders:approve"}, ScopesAllowed.Match.ALL));
// ALL is satisfied even when the two scopes come from different claims.
assertTrue(mw.scopesAllowed(claims,
new String[]{"payments:write", "orders:approve"}, ScopesAllowed.Match.ALL));
}
@Test
void blankScopePathsFallBackToScopeAndScp() {
AuthMiddleware mw = middleware("roles", " ");
assertTrue(mw.scopesAllowed(Map.of("scope", "a"), new String[]{"a"}, ScopesAllowed.Match.ALL));
assertTrue(mw.scopesAllowed(Map.of("scp", "b"), new String[]{"b"}, ScopesAllowed.Match.ALL));
}
@Test
void aScopePathListOfOnlySeparatorsFallsBackToScopeAndScp() {
AuthMiddleware mw = middleware("roles", " , , ");
assertTrue(mw.scopesAllowed(Map.of("scp", "b"), new String[]{"b"}, ScopesAllowed.Match.ALL));
}
}
flash-extensions/flash-ext-oidc/src/test/java/dev/relism/flash/ext/oidc/OidcUserScopesTest.java → flash-extensions/flash-ext-auth-core/src/test/java/dev/relism/flash/ext/auth/ClaimsScopesTest.java
+6 -6
View File
@@ -1,4 +1,4 @@
package dev.relism.flash.ext.oidc;
package dev.relism.flash.ext.auth;
import org.junit.jupiter.api.Test;
@@ -7,11 +7,11 @@ import java.util.Map;
import static org.junit.jupiter.api.Assertions.*;
class OidcUserScopesTest {
class ClaimsScopesTest {
@Test
void scopes_readsStandardScopeString() {
OidcUser user = new OidcUser(Map.of("scope", "openid profile orders:read"));
Claims user = new Claims(Map.of("scope", "openid profile orders:read"));
assertEquals(List.of("openid", "profile", "orders:read"), user.scopes());
assertTrue(user.hasScope("orders:read"));
@@ -20,7 +20,7 @@ class OidcUserScopesTest {
@Test
void scopes_fallsBackToScpArray() {
OidcUser user = new OidcUser(Map.of("scp", List.of("orders:write", "payments:write")));
Claims user = new Claims(Map.of("scp", List.of("orders:write", "payments:write")));
assertEquals(List.of("orders:write", "payments:write"), user.scopes());
assertTrue(user.hasScope("payments:write"));
@@ -28,7 +28,7 @@ class OidcUserScopesTest {
@Test
void scopes_supportsCustomClaimPaths() {
OidcUser user = new OidcUser(Map.of("permissions", Map.of("scopes", List.of("a", "b"))));
Claims user = new Claims(Map.of("permissions", Map.of("scopes", List.of("a", "b"))));
assertEquals(List.of("a", "b"), user.scopes("permissions.scopes"));
assertTrue(user.hasScope("permissions.scopes", "a"));
@@ -37,7 +37,7 @@ class OidcUserScopesTest {
@Test
void scopes_combinesMultipleClaimPathsInOrder() {
OidcUser user = new OidcUser(Map.of(
Claims user = new Claims(Map.of(
"scope", "openid",
"scp", List.of("profile", "orders:read")
));
flash-extensions/flash-ext-auth-core/src/test/java/dev/relism/flash/ext/auth/SessionTest.java
+58
View File
@@ -0,0 +1,58 @@
package dev.relism.flash.ext.auth;
import org.junit.jupiter.api.Test;
import java.time.Instant;
import java.util.HashMap;
import java.util.Map;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
/**
* The two things a session has to get right: it reports itself expired early enough that it
* cannot lapse midway through a request, and it hands back what a credential source stored on it
* without interpreting any of it.
*/
class SessionTest {
private static Session at(Instant expiry, Map<String, Object> attributes) {
return new Session("s1", Map.of("sub", "u1"), expiry, attributes);
}
@Test
void aSessionIsExpiredWellBeforeItsDeadline() {
// The eager window is what stops a session from lapsing between the check and the handler.
assertFalse(at(Instant.now().plusSeconds(120), Map.of()).isExpired());
assertTrue(at(Instant.now().plusSeconds(10), Map.of()).isExpired());
assertTrue(at(Instant.now().minusSeconds(1), Map.of()).isExpired());
}
@Test
void attributesAreReturnedUninterpreted() {
Session session = at(Instant.now().plusSeconds(60), Map.of("oidc.id_token", "abc", "n", 7));
assertEquals("abc", session.attributeAsString("oidc.id_token"));
assertEquals("7", session.attributeAsString("n"));
assertEquals(7, session.attribute("n"));
assertNull(session.attributeAsString("absent"));
}
@Test
void aSessionWithoutAttributesIsUsableRatherThanNull() {
assertNull(at(Instant.now().plusSeconds(60), null).attributeAsString("anything"));
}
@Test
void claimsAndAttributesAreCopiedAndImmutable() {
Map<String, Object> mutable = new HashMap<>(Map.of("k", "v"));
Session session = at(Instant.now().plusSeconds(60), mutable);
mutable.put("k", "changed");
assertEquals("v", session.attributeAsString("k"));
assertThrows(UnsupportedOperationException.class, () -> session.attributes().put("x", "y"));
assertThrows(UnsupportedOperationException.class, () -> session.claims().put("x", "y"));
}
}
flash-extensions/flash-ext-oidc/README.md → flash-extensions/flash-ext-auth-oidc/README.md
+51 -39
View File
@@ -1,4 +1,4 @@
# flash-ext-oidc
# flash-ext-auth-oidc
Full OIDC Authorization Code + PKCE flow for the Flash HTTP server.
Supports Keycloak, Authelia, Auth0, Google, and any RFC 8414-compliant provider.
@@ -6,6 +6,11 @@ Supports Keycloak, Authelia, Auth0, Google, and any RFC 8414-compliant provider.
Standards alignment focuses on OIDC Core + OAuth2 bearer APIs while preserving Flash's
hot-path model (middleware compiled at mount time, no heavy runtime work).
This extension is the OpenID Connect **credential source** for
[`flash-ext-auth-core`](../flash-ext-auth-core/docs/README.md), which owns everything downstream of
identifying the caller. Shorter guides live in [`docs/`](docs/README.md), including
[migration notes](docs/interop.md#migrating-from-flash-ext-oidc) from `flash-ext-oidc`.
## What it provides
| Component | Description |
@@ -13,24 +18,25 @@ hot-path model (middleware compiled at mount time, no heavy runtime work).
| `GET {prefix}/login` | Starts the OIDC flow: builds the authorization URL with PKCE + state, redirects |
| `GET {prefix}/callback` | Exchanges the code, validates the ID token, creates a session, redirects |
| `POST {prefix}/logout` | Invalidates the session, redirects to the provider's `end_session_endpoint` |
| `@Authenticated` | Annotation: protects a class-based handler (redirects browsers, 401 for API clients) |
| `@RolesAllowed(...)` | Annotation: protects with role check (OR semantics) |
| `@ScopesAllowed(...)` | Annotation: protects with scope check (`ALL` default, `ANY` optional) |
| `OidcMiddleware` | Programmatic middleware for lambda routes |
| `ClaimsHolder` / `OidcUser` | Thread-local user info accessible from any protected handler |
| `OidcCredentialSource` | The `CredentialSource` this extension contributes to `flash-ext-auth-core` |
| `JwtValidator` | JWKS-backed JWT validator (PKCE + key rotation + caching) |
`@Authenticated`, `@RolesAllowed`, `@ScopesAllowed`, `AuthMiddleware`, `ClaimsHolder` and `Claims`
belong to [`flash-ext-auth-core`](../flash-ext-auth-core/docs/README.md) and work the same behind
any credential source. Installing this extension brings them in and wires them up — you do not
install auth-core yourself.
## Dependencies
```xml
<dependency>
<groupId>dev.relism</groupId>
<artifactId>flash-ext-oidc</artifactId>
<version>1.0-SNAPSHOT</version>
<artifactId>flash-ext-auth-oidc</artifactId>
<version>2.1.0-SNAPSHOT</version>
</dependency>
```
Transitive: `nimbus-jose-jwt`, `json-smart`.
Transitive: `flash-ext-auth-core`, `nimbus-jose-jwt`, `json-smart`.
Optional: `flash-ext-openapi` — if present, OIDC security schemes are added to the OpenAPI spec automatically.
## Installation
@@ -98,7 +104,7 @@ OidcConfig.builder("https://auth.example.com", "my-client", "secret", "/auth/cal
| `.scopeClaimPaths("scope,scp")` | `"scope,scp"` | Comma-separated claim paths used to resolve OAuth scopes |
| `.algorithm("RS256")` | `"RS256"` | JWS algorithm for token validation |
| `.postLogoutRedirectUri("/")` | `"/"` | Where to redirect after logout |
| `.sessionStore(store)` | `InMemoryOidcSessionStore` | Custom session store (see below) |
| `.sessionStore(store)` | `InMemorySessionStore` | Custom session store (see below) |
| `.clientAuthMethod(ClientAuthMethod.POST)` | `POST` | `POST` = credentials in body; `BASIC` = `Authorization: Basic` |
| `.insecureTls()` | `false` | Disables TLS certificate verification — **development only** |
| `.schemeName("myscheme")` | derived from issuer | OpenAPI security scheme name |
@@ -130,7 +136,7 @@ OIDC_CLIENT_AUTH_METHOD default: POST
public class MePage extends JacksonHandler {
@Override
public Object handle(Request req, Response res) {
OidcUser u = ClaimsHolder.user();
Claims u = ClaimsHolder.current();
return json(res, Map.of("sub", u.sub(), "email", u.email()));
}
}
@@ -166,49 +172,50 @@ Annotation composition rules:
### Lambda routes (manual middleware)
For lambda routes, pass the middleware as a varargs argument. Retrieve `OidcMiddleware`
For lambda routes, pass the middleware as a varargs argument. Retrieve `AuthMiddleware`
from the context inside another extension's `routes()` phase, or after `start()`:
```java
OidcMiddleware oidc = app.ctx().require(OidcMiddleware.class);
AuthMiddleware auth = app.ctx().require(AuthMiddleware.class);
// Authentication only
app.get("/api/me", (req, res) -> {
OidcUser u = ClaimsHolder.user(); // never null here
Claims u = ClaimsHolder.current(); // never null here
return Map.of("sub", u.sub(), "email", u.email());
}, oidc.protect());
}, auth.protect());
// Authentication + role check
app.delete("/api/admin/users/{id}", (req, res) -> {
OidcUser u = ClaimsHolder.user();
Claims u = ClaimsHolder.current();
// ...
}, oidc.requireRole("admin"));
}, auth.requireRole("admin"));
// Multiple roles (OR): passes if user holds any one of them
app.get("/api/reports", (req, res) -> { ... }, oidc.requireRole("admin", "reports-viewer"));
app.get("/api/reports", (req, res) -> { ... }, auth.requireRole("admin", "reports-viewer"));
// Require all listed scopes
app.post("/api/orders", (req, res) -> { ... }, oidc.requireScopes("orders:write", "payments:write"));
app.post("/api/orders", (req, res) -> { ... }, auth.requireScopes("orders:write", "payments:write"));
// Require at least one listed scope
app.post("/api/payments", (req, res) -> { ... }, oidc.requireAnyScope("payments:write", "payments:admin"));
app.post("/api/payments", (req, res) -> { ... }, auth.requireAnyScope("payments:write", "payments:admin"));
```
`oidc.protect()` / `oidc.requireRole(...)` / `oidc.requireScopes(...)` return a `Middleware` — a composable
`Handler → Handler` wrapper. Flash applies middleware right-to-left so the OIDC check
`auth.protect()` / `auth.requireRole(...)` / `auth.requireScopes(...)` return a `Middleware` — a composable
`Handler → Handler` wrapper. Flash applies middleware right-to-left so the authentication check
runs before your handler.
## Accessing the authenticated user
`ClaimsHolder` holds the JWT claims for the current request in a `ThreadLocal`.
It is populated by the OIDC middleware before your handler runs and cleared in the
`finally` block afterward. It is safe with virtual threads (each request gets its
It is populated by `AuthMiddleware` — from `flash-ext-auth-core` — once this source has
authenticated the request, and cleared in the `finally` block afterward. Nothing outside that
module can write to it. It is safe with virtual threads (each request gets its
own virtual thread, so `ThreadLocal` values are naturally isolated).
### OidcUser (preferred)
### Claims (preferred)
```java
OidcUser u = ClaimsHolder.user(); // never null inside a protected handler
Claims u = ClaimsHolder.current(); // never null inside a protected handler
String sub = u.sub(); // unique user ID
String email = u.email();
@@ -241,7 +248,7 @@ Map<String, Object> all = u.claims();
### Raw access (escape hatch)
```java
Map<String, Object> claims = ClaimsHolder.get();
Map<String, Object> claims = ClaimsHolder.map();
String email = ClaimsHolder.claim("email");
```
@@ -340,7 +347,7 @@ Quick path to test `@ScopesAllowed` end-to-end:
- Include it in `OidcConfig.scopes(...)`, e.g. `"openid profile email orders:write"`
5. **Protect a handler**
- `@ScopesAllowed("orders:write")` on class-based handlers
- or `oidc.requireScopes("orders:write")` for lambda routes
- or `auth.requireScopes("orders:write")` for lambda routes
6. **Verify behavior**
- token with scope -> 200
- token without scope -> 403 + `WWW-Authenticate: ... insufficient_scope`
@@ -354,24 +361,29 @@ Useful token inspection flow while testing:
## Session store
The default `InMemoryOidcSessionStore` is sufficient for single-instance deployments.
For clustered deployments, implement `OidcSessionStore`:
Sessions live in `flash-ext-auth-core`'s `Session`/`SessionStore`; this extension keeps its
access, id and refresh tokens in `Session.attributes()` under its own keys, so renewal stays here
and core carries no OAuth2 vocabulary. See
[`../flash-ext-auth-core/docs/sessions.md`](../flash-ext-auth-core/docs/sessions.md).
The default `InMemorySessionStore` is sufficient for single-instance deployments.
For clustered deployments, implement `SessionStore`:
```java
public interface OidcSessionStore {
void save(OidcSession session);
Optional<OidcSession> find(String sessionId);
public interface SessionStore {
void save(Session session);
Optional<Session> find(String sessionId);
void delete(String sessionId);
}
```
```java
OidcConfig.builder(...)
.sessionStore(new RedisOidcSessionStore(redisClient))
.sessionStore(new RedisSessionStore(redisClient))
.build()
```
`OidcSession` fields: `id`, `accessToken`, `idToken`, `refreshToken`, `expiresAt` (`Instant`), `claims` (merged map).
`Session` fields: `id`, `accessToken`, `idToken`, `refreshToken`, `expiresAt` (`Instant`), `claims` (merged map).
## Logout
@@ -401,7 +413,7 @@ Authorization: Bearer <access_token>
```
The token must be a JWT (opaque tokens are not supported). Claims are available via
`ClaimsHolder.user()` as usual.
`ClaimsHolder.current()` as usual.
## Multi-tenant
@@ -420,7 +432,7 @@ app.install(new OidcExtension(tenantA))
```
To reference a specific tenant's middleware on lambda routes, keep the extension instances
and retrieve `OidcMiddleware` from context after `start()`:
and retrieve `AuthMiddleware` from context after `start()`:
```java
OidcExtension extA = new OidcExtension(tenantA);
@@ -432,10 +444,10 @@ FlashApp app = FlashApp.create(8080)
.start()
.join(); // wait for bind
OidcMiddleware mwA = app.ctx().require(OidcMiddleware.class); // last registered = tenantB
AuthMiddleware mwA = app.ctx().require(AuthMiddleware.class); // last registered = tenantB
```
> **Note:** because both extensions register `OidcMiddleware.class` in the same context,
> **Note:** because both extensions register `AuthMiddleware.class` in the same context,
> only the last one wins under that key. For multi-tenant setups, use distinct context
> keys or provide middleware under a wrapper/alias type, or use lambda routes with explicit
> middleware captured from the extension instance before `install()`.
flash-extensions/flash-ext-auth-oidc/docs/README.md
+98
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@@ -0,0 +1,98 @@
# flash-ext-auth-oidc
OpenID Connect for Flash: the authorization-code flow with PKCE, JWKS-validated bearer tokens,
server-side sessions with silent refresh, and single logout.
It is a **credential source** for [`flash-ext-auth-core`](../../flash-ext-auth-core/docs/README.md),
which owns everything downstream of "who is this caller" — `@Authenticated`, `@RolesAllowed`,
`@ScopesAllowed`, `ClaimsHolder`. Installing this extension installs that machinery too; you do not
install `flash-ext-auth-core` yourself.
## Quick start
```java
app.install(new OidcExtension(
OidcConfig.builder(
"https://keycloak.example.com/realms/myrealm",
"my-app", "secret", "/auth/callback")
.rolesClaimPath("realm_access.roles")
.https()
.build()));
```
That is the whole integration. Discovery runs at boot and fails fast if the issuer is unreachable,
so a misconfigured provider is a startup crash rather than a 500 on the first login.
`OidcConfig.fromEnv()` reads the same settings from `OIDC_*` environment variables, and
`OidcConfig.keycloak(serverUrl, realm, ...)` builds the issuer URL for you.
## What it registers
| | |
|---|---|
| `GET {prefix}/login` | Builds the authorization URL with PKCE + state and redirects |
| `GET {prefix}/callback` | Validates state and nonce, exchanges the code, creates the session |
| `POST {prefix}/logout` | Ends the session and redirects to the provider's end-session endpoint |
`{prefix}` is `routePrefix` (default `/auth`). Logout is a `POST` on purpose — a `GET` logout is
one `<img>` tag away from being triggered by any page the user visits.
In the context it provides `AuthMiddleware` (from auth-core), `OidcCredentialSource` and
`JwtValidator`.
## How a request is resolved
1. `Authorization: Bearer …` — validated against the issuer's JWKS.
2. `oidc_session` cookie — looked up in the `SessionStore`; if the access token has expired and a
refresh token is present, refreshed transparently and the session replaced.
3. Neither, and the client sent `Accept: application/json` → `401` with a
`WWW-Authenticate: Bearer` challenge.
4. Neither, and it looks like a browser → redirect to `{prefix}/login?redirect={path}`.
Points 3 and 4 are why the source distinguishes "no credential" from "bad credential": an API
client must not be redirected into an HTML sign-in page, and a browser must not be left staring at
a bare 401.
## Configuration
| Setting | Default | Notes |
|---|---|---|
| `issuer`, `clientId`, `clientSecret`, `redirectUri` | — | required |
| `scopes` | `openid profile email` | |
| `routePrefix` | `/auth` | |
| `selfScheme` | `http` | `https()` behind TLS; only used when no `X-Forwarded-Proto` |
| `rolesClaimPath` | `realm_access.roles` | Keycloak's spelling; `groups` for Authelia |
| `scopeClaimPaths` | `scope,scp` | comma-separated, tried in order |
| `algorithm` | `RS256` | |
| `postLogoutRedirectUri` | `/` | |
| `sessionStore` | `InMemorySessionStore` | swap for Redis/JDBC across instances |
| `clientAuthMethod` | `POST` | token endpoint client authentication |
| `insecureTls()` | off | dev only, skips certificate validation |
| `schemeName` | derived from the issuer | OpenAPI security scheme name |
A relative `redirectUri` (starting with `/`) is resolved per request against the incoming `Host`,
or `X-Forwarded-Host`/`-Proto` when behind a proxy — so one build works in dev and behind TLS
without a second configuration.
## Sessions
A session holds the claims plus the access, id and refresh tokens, the last three in
`Session.attributes()` under this extension's own keys. Core never reads them; renewal happens
here. See [`../../flash-ext-auth-core/docs/sessions.md`](../../flash-ext-auth-core/docs/sessions.md).
## Multiple providers
Two issuers on one server, each with its own route prefix:
```java
app.install(new OidcExtension(tenantAConfig)) // routePrefix("/tenantA/auth")
.install(new OidcExtension(tenantBConfig)); // routePrefix("/tenantB/auth")
```
Both are known at boot. Registering an issuer at runtime — a customer connecting their own IdP from
a settings page — is not supported.
## Interop
See [`interop.md`](interop.md) for how this extension fits with `flash-ext-auth-core`,
`flash-ext-openapi` and `flash-ext-mcp`.
flash-extensions/flash-ext-auth-oidc/docs/interop.md
+88
View File
@@ -0,0 +1,88 @@
# Interop
## flash-ext-auth-core
A hard dependency, and the reason this extension is as small as it is. The division:
| Here | `flash-ext-auth-core` |
|---|---|
| Discovery, JWKS, PKCE, token endpoint | `@Authenticated`, `@RolesAllowed`, `@ScopesAllowed` |
| `/login`, `/callback`, `/logout` | `ClaimsHolder`, `Claims` |
| Bearer and cookie resolution, refresh | Role and scope matching |
| RFC 6750 `WWW-Authenticate` challenges | `Session`, `SessionStore` |
`OidcExtension` builds an `OidcCredentialSource`, hands it to `AuthMiddleware.install(...)`, and
that publishes the middleware and registers the annotation processor. Everything a handler
annotation does is core's code running against claims this extension produced.
Consequence worth knowing: `@RolesAllowed` is not OIDC-specific and never was. An app that swaps
this extension for another credential source keeps every annotation it had.
## flash-ext-openapi
Optional, and resolved lazily so this extension runs standalone when openapi is not on the
classpath. When it is, an `OpenApiContributor` is registered that emits an `oauth2` security scheme
with the `authorizationCode` flow, filled in from the discovery document:
```json
"securitySchemes": {
"myrealm": {
"type": "oauth2",
"flows": { "authorizationCode": { "authorizationUrl": "…", "tokenUrl": "…", "scopes": {…} } }
}
}
```
Per-operation security comes from the same annotations the middleware reads, so the spec and the
enforcement cannot drift: both call `AuthPolicy.compileFromAnnotations`.
The scheme name is `schemeName`, derived from the last path segment of the issuer (a Keycloak realm
name, usually) unless set explicitly.
## flash-ext-mcp
`McpSecurity` asks whether **this** extension is installed — `ctx.find(OidcCredentialSource.class)`
— and not merely whether something authenticates:
| Policy | this extension installed | absent |
|---|---|---|
| `REQUIRED` | protected | **boot fails** |
| `AUTO` | protected | unprotected, warning logged |
| `NONE` | never protected | unprotected |
That distinction is deliberate. `REQUIRED` means "a real OAuth2 authorization server is protecting
this endpoint", because everything it turns on — RFC 9728 Protected Resource Metadata, RFC 8707
audience binding, `WWW-Authenticate` challenges carrying `resource_metadata` — is meaningless
without an issuer. An app that authenticates some other way must not satisfy it by accident.
When it is installed, `McpOidcIntegration` derives the whole resource-server configuration from the
source with no extra `McpConfig` calls:
- the MCP route is wrapped with `authMw.withSource(source.withResourceMetadata(path)).protect()` —
the same validation every other route uses, plus the `resource_metadata` challenge parameter;
- an audience guard runs after it and rejects any token whose `aud` does not include this
endpoint's resource identifier;
- the resource identifier is resolved per request from `X-Forwarded-Host`/`-Proto`, or the `Host`
header and `selfScheme`.
An app that does **not** use OAuth2 can still guard `/mcp`: set `McpSecurity.NONE` and pass its own
guard to `McpConfig.middleware(...)`.
## Migrating from flash-ext-oidc
The module was renamed and its generic half moved. Mechanically:
| Was | Now |
|---|---|
| `flash-ext-oidc` (artifact) | `flash-ext-auth-oidc` |
| `dev.relism.flash.ext.oidc.Authenticated` (and `RolesAllowed`, `ScopesAllowed`) | `dev.relism.flash.ext.auth.…` |
| `OidcMiddleware` | `AuthMiddleware` (`dev.relism.flash.ext.auth`) |
| `ctx.find(OidcMiddleware.class)` | `ctx.find(AuthMiddleware.class)` |
| `OidcUser` | `Claims` |
| `ClaimsHolder.user()` | `ClaimsHolder.current()` |
| `ClaimsHolder.get()` | `ClaimsHolder.map()` |
| `OidcSession`, `OidcSessionStore`, `InMemoryOidcSessionStore` | `Session`, `SessionStore`, `InMemorySessionStore` |
| `session.isAccessTokenExpired()` | `session.isExpired()` |
| `session.idToken()` | `session.attributeAsString(OidcCredentialSource.ID_TOKEN)` |
`OidcConfig`, `OidcExtension` and every setting on them are unchanged.
flash-extensions/flash-ext-oidc/pom.xml → flash-extensions/flash-ext-auth-oidc/pom.xml
+6 -2
View File
@@ -7,12 +7,16 @@
<parent>
<groupId>dev.relism</groupId>
<artifactId>flash-extensions</artifactId>
<version>2.0.0</version>
<version>2.1.0-SNAPSHOT</version>
</parent>
<artifactId>flash-ext-oidc</artifactId>
<artifactId>flash-ext-auth-oidc</artifactId>
<dependencies>
<dependency>
<groupId>dev.relism</groupId>
<artifactId>flash-ext-auth-core</artifactId>
</dependency>
<dependency>
<groupId>dev.relism</groupId>
<artifactId>flash</artifactId>
flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/ClientAuthMethod.java → flash-extensions/flash-ext-auth-oidc/src/main/java/dev/relism/flash/ext/oidc/ClientAuthMethod.java
View File
flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/DiscoveryClient.java → flash-extensions/flash-ext-auth-oidc/src/main/java/dev/relism/flash/ext/oidc/DiscoveryClient.java
View File
flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/JwtUtils.java → flash-extensions/flash-ext-auth-oidc/src/main/java/dev/relism/flash/ext/oidc/JwtUtils.java
View File
flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/JwtValidator.java → flash-extensions/flash-ext-auth-oidc/src/main/java/dev/relism/flash/ext/oidc/JwtValidator.java
View File
flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcConfig.java → flash-extensions/flash-ext-auth-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcConfig.java
+9 -6
View File
@@ -1,5 +1,8 @@
package dev.relism.flash.ext.oidc;
import dev.relism.flash.ext.auth.InMemorySessionStore;
import dev.relism.flash.ext.auth.SessionStore;
/**
* Full OIDC client configuration. Build via
* {@link #builder(String, String, String, String)} or {@link #fromEnv()}.
@@ -50,7 +53,7 @@ public final class OidcConfig {
private final String scopeClaimPaths;
private final String algorithm;
private final String postLogoutRedirectUri;
private final OidcSessionStore sessionStore;
private final SessionStore sessionStore;
private final boolean insecureTls;
private final ClientAuthMethod clientAuthMethod;
private final String schemeName;
@@ -68,7 +71,7 @@ public final class OidcConfig {
this.algorithm = b.algorithm;
this.postLogoutRedirectUri = b.postLogoutRedirectUri;
this.sessionStore = b.sessionStore != null ? b.sessionStore
: new InMemoryOidcSessionStore();
: new InMemorySessionStore();
this.insecureTls = b.insecureTls;
this.clientAuthMethod = b.clientAuthMethod;
this.schemeName = b.schemeName != null ? b.schemeName : deriveScheme(this.issuer);
@@ -88,7 +91,7 @@ public final class OidcConfig {
public String scopeClaimPaths() { return scopeClaimPaths; }
public String algorithm() { return algorithm; }
public String postLogoutRedirectUri() { return postLogoutRedirectUri; }
public OidcSessionStore sessionStore() { return sessionStore; }
public SessionStore sessionStore() { return sessionStore; }
/** If {@code true}, TLS certificate validation is skipped. <b>Never use in production.</b> */
public boolean insecureTls() { return insecureTls; }
public ClientAuthMethod clientAuthMethod() { return clientAuthMethod; }
@@ -190,7 +193,7 @@ public final class OidcConfig {
private String scopeClaimPaths = "scope,scp";
private String algorithm = "RS256";
private String postLogoutRedirectUri = "/";
private OidcSessionStore sessionStore;
private SessionStore sessionStore;
private boolean insecureTls = false;
private ClientAuthMethod clientAuthMethod = ClientAuthMethod.POST;
private String schemeName = null;
@@ -218,8 +221,8 @@ public final class OidcConfig {
public Builder algorithm(String algorithm) { this.algorithm = algorithm; return this; }
/** Where to redirect after logout (default: {@code /}). */
public Builder postLogoutRedirectUri(String uri) { this.postLogoutRedirectUri = uri; return this; }
/** Custom session store (default: {@link InMemoryOidcSessionStore}). */
public Builder sessionStore(OidcSessionStore store) { this.sessionStore = store; return this; }
/** Custom session store (default: {@link InMemorySessionStore}). */
public Builder sessionStore(SessionStore store) { this.sessionStore = store; return this; }
/**
* Disables TLS certificate verification for all HTTP calls made by this extension.
* <b>Only use in development with self-signed certificates — never in production.</b>
flash-extensions/flash-ext-auth-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcCredentialSource.java
+333
View File
@@ -0,0 +1,333 @@
package dev.relism.flash.ext.oidc;
import dev.relism.flash.exceptions.HttpException;
import dev.relism.flash.ext.auth.CredentialSource;
import dev.relism.flash.ext.auth.Session;
import dev.relism.flash.models.Response;
import dev.relism.flash.models.Request;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.time.Instant;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
/**
* The OpenID Connect {@link CredentialSource}: it turns what a request carries into claims, and
* rejects it the way OAuth2 says to when it cannot. Authorization on those claims is
* {@code flash-ext-auth-core}'s job, not this class's.
*
* <p>Resolution order on each request:
* <ol>
* <li>{@code Authorization: Bearer ...} header — validated via JWKS ({@link JwtValidator}).</li>
* <li>{@code oidc_session} cookie — looked up in {@link dev.relism.flash.ext.auth.SessionStore}; transparently
* refreshed if the access token is expired.</li>
* <li>Browser clients (no {@code Accept: application/json}) → redirect to
* {@code {routePrefix}/login?redirect={path}}.</li>
* <li>API clients → 401 with a {@code WWW-Authenticate: Bearer} challenge.</li>
* </ol>
*/
public final class OidcCredentialSource implements CredentialSource {
private static final String BEARER = "Bearer";
/**
* Keys this source stores its OAuth2 tokens under in {@link Session#attributes()}. Core keeps
* the session; the tokens inside it are nobody else's business.
*/
static final String ACCESS_TOKEN = "oidc.access_token";
static final String ID_TOKEN = "oidc.id_token";
static final String REFRESH_TOKEN = "oidc.refresh_token";
/** The one place an OIDC session is built, so its attribute keys stay in one place too. */
static Session newSession(String id, String accessToken, String idToken, String refreshToken,
Instant expiresAt, Map<String, Object> claims) {
Map<String, Object> attributes = new HashMap<>(3);
if (accessToken != null) attributes.put(ACCESS_TOKEN, accessToken);
if (idToken != null) attributes.put(ID_TOKEN, idToken);
if (refreshToken != null) attributes.put(REFRESH_TOKEN, refreshToken);
return new Session(id, claims, expiresAt, attributes);
}
private final JwtValidator validator;
private final OidcConfig config;
private final OidcProviderMetadata meta;
private final TokenClient tokenClient;
private final String resourceMetadataPath;
OidcCredentialSource(JwtValidator validator, OidcConfig config,
OidcProviderMetadata meta, TokenClient tokenClient) {
this(validator, config, meta, tokenClient, null);
}
private OidcCredentialSource(JwtValidator validator, OidcConfig config,
OidcProviderMetadata meta, TokenClient tokenClient,
String resourceMetadataPath) {
this.validator = validator;
this.config = config;
this.meta = meta;
this.tokenClient = tokenClient;
this.resourceMetadataPath = resourceMetadataPath;
}
// -- CredentialSource -----------------------------------------------------
/** OIDC issuer this source validates tokens against — the {@code iss} claim it enforces. */
public String issuer() { return config.issuer(); }
/** Scheme used to build this app's own absolute URLs — see {@link OidcConfig#selfScheme()}. */
public String selfScheme() { return config.selfScheme(); }
/**
* A copy of this source whose 401 challenges also carry {@code resource_metadata}
* (RFC 9728 §5.1), resolved against the request's own scheme and host exactly like
* {@link OidcExtension}'s redirect URIs. {@code path} is absolute, e.g.
* {@code "/.well-known/oauth-protected-resource/mcp"}.
*
* <p>Used by {@code flash-ext-mcp} to make its Protected Resource Metadata document
* discoverable straight from the {@code WWW-Authenticate} header, per the MCP Authorization
* spec.
*/
public OidcCredentialSource withResourceMetadata(String path) {
return new OidcCredentialSource(validator, config, meta, tokenClient, path);
}
@Override
public Map<String, Object> authenticate(Request req, Response res) {
return resolve(req, res, resourceMetadataPath);
}
@Override
public Map<String, Object> peek(Request req) {
return resolveQuiet(req);
}
@Override
public String insufficientScopeChallenge(String[] requiredScopes) {
return bearerChallenge() + ", error=\"insufficient_scope\", scope=\""
+ quoted(spaceDelimited(requiredScopes)) + "\"";
}
// -- Internals ------------------------------------------------------------
/**
* Like {@link #resolve} but never redirects or throws — returns {@code null} silently
* when no valid credentials are present. Used by {@link #optional()}.
*/
private Map<String, Object> resolveQuiet(Request req) {
String bearerToken = extractBearerToken(req.header("Authorization"));
if (bearerToken != null) {
try {
return validator.validate(bearerToken);
} catch (Exception ignored) {
return null;
}
}
String sessionId = cookieValue(req, "oidc_session");
if (sessionId != null) {
Optional<Session> found = config.sessionStore().find(sessionId);
if (found.isPresent()) {
Session session = found.get();
if (!session.isExpired())
return session.claims();
if (session.attributeAsString(REFRESH_TOKEN) != null) {
try {
Session refreshed = doRefresh(session);
config.sessionStore().save(refreshed);
return refreshed.claims();
} catch (Exception ignored) { }
}
config.sessionStore().delete(sessionId);
}
}
return null;
}
/**
* Returns claims on success, or {@code null} if a redirect was already written to
* {@code res}. Throws {@link HttpException} 401/403 for API clients.
*/
private Map<String, Object> resolve(Request req, Response res) {
return resolve(req, res, null);
}
private Map<String, Object> resolve(Request req, Response res, String resourceMetadataPath) {
// 1. Bearer token
String bearerToken = extractBearerToken(req.header("Authorization"));
if (bearerToken != null) {
try {
return validator.validate(bearerToken);
} catch (HttpException e) {
res.header("WWW-Authenticate", invalidTokenChallenge(req, resourceMetadataPath));
throw e;
}
}
// 2. Session cookie
String sessionId = cookieValue(req, "oidc_session");
if (sessionId != null) {
Optional<Session> found = config.sessionStore().find(sessionId);
if (found.isPresent()) {
Session session = found.get();
if (!session.isExpired())
return session.claims();
// Access token expired — try silent refresh
if (session.attributeAsString(REFRESH_TOKEN) != null) {
try {
Session refreshed = doRefresh(session);
config.sessionStore().save(refreshed);
return refreshed.claims();
} catch (Exception ignored) {
// Refresh failed — fall through to re-authenticate
}
}
config.sessionStore().delete(sessionId);
}
}
// 3. No valid credentials
String accept = req.header("Accept");
if (accept != null && accept.contains("application/json")) {
res.header("WWW-Authenticate", bearerChallenge(req, resourceMetadataPath));
throw HttpException.unauthorized();
}
// Browser — redirect to login, preserving the original URL in state
String loginUrl = config.routePrefix() + "/login?redirect="
+ URLEncoder.encode(req.path(), StandardCharsets.UTF_8);
res.redirect(loginUrl);
return null;
}
private Session doRefresh(Session old) throws Exception {
OidcTokenResponse tokens = tokenClient.refresh(
meta.tokenEndpoint(), old.attributeAsString(REFRESH_TOKEN));
return newSession(
old.id(),
tokens.accessToken(),
tokens.idToken() != null ? tokens.idToken() : old.attributeAsString(ID_TOKEN),
tokens.refreshToken() != null ? tokens.refreshToken() : old.attributeAsString(REFRESH_TOKEN),
Instant.now().plusSeconds(tokens.expiresIn()),
mergeRefreshedClaims(tokens, old)
);
}
static String extractBearerToken(String authorizationHeader) {
if (authorizationHeader == null) return null;
int len = authorizationHeader.length();
int start = 0;
while (start < len && Character.isWhitespace(authorizationHeader.charAt(start))) start++;
int schemeEnd = start + BEARER.length();
if (schemeEnd > len || !authorizationHeader.regionMatches(true, start, BEARER, 0, BEARER.length())) {
return null;
}
if (schemeEnd == len || !Character.isWhitespace(authorizationHeader.charAt(schemeEnd))) {
return null;
}
int tokenStart = schemeEnd;
while (tokenStart < len && Character.isWhitespace(authorizationHeader.charAt(tokenStart))) tokenStart++;
if (tokenStart >= len) return null;
int tokenEnd = len;
while (tokenEnd > tokenStart && Character.isWhitespace(authorizationHeader.charAt(tokenEnd - 1))) tokenEnd--;
return tokenEnd > tokenStart ? authorizationHeader.substring(tokenStart, tokenEnd) : null;
}
String bearerChallenge() {
return bearerChallenge(null, null);
}
private String bearerChallenge(Request req, String resourceMetadataPath) {
String base = BEARER + " realm=\"" + quoted(config.schemeName()) + "\"";
if (resourceMetadataPath == null) return base;
return base + ", resource_metadata=\"" + quoted(absoluteSelf(req, resourceMetadataPath)) + "\"";
}
String invalidTokenChallenge() {
return invalidTokenChallenge(null, null);
}
private String invalidTokenChallenge(Request req, String resourceMetadataPath) {
return bearerChallenge(req, resourceMetadataPath) + ", error=\"invalid_token\"";
}
private String absoluteSelf(Request req, String path) {
if (!path.startsWith("/")) return path;
return selfOrigin(req, config.selfScheme()) + path;
}
/**
* {@code scheme://host} clients actually reach this app on — the basis for every absolute
* URL it publishes about itself (OAuth2 {@code redirect_uri}, the RFC 9728 resource
* identifier and the {@code resource_metadata} challenge). Behind a reverse proxy the
* request's own {@code Host} is the upstream address the proxy dialled, so
* {@code X-Forwarded-Host}/{@code -Proto} win whenever present: without them the app would
* name an address no client can resolve, and OAuth2 discovery fails with no error anyone
* can trace back to here. Trusted unconditionally — a caller able to reach this app without
* passing the proxy can do worse than spoof a self URL.
*/
public static String selfOrigin(Request req, String fallbackScheme) {
String forwardedHost = req.header("X-Forwarded-Host");
if (forwardedHost == null) return fallbackScheme + "://" + req.header("Host");
String forwardedProto = req.header("X-Forwarded-Proto");
return (forwardedProto != null ? forwardedProto : fallbackScheme) + "://" + forwardedHost;
}
private static String spaceDelimited(String[] values) {
if (values == null || values.length == 0) return "";
StringBuilder sb = new StringBuilder();
for (int i = 0; i < values.length; i++) {
if (i > 0) sb.append(' ');
sb.append(values[i]);
}
return sb.toString();
}
private static String quoted(String value) {
StringBuilder out = new StringBuilder(value.length() + 8);
for (int i = 0; i < value.length(); i++) {
char c = value.charAt(i);
if (c == '"' || c == '\\') out.append('\\');
out.append(c);
}
return out.toString();
}
private static Map<String, Object> mergeRefreshedClaims(OidcTokenResponse tokens, Session old) {
Map<String, Object> merged = new HashMap<>();
// Fall back to old claims first, then overlay fresh token claims
merged.putAll(old.claims());
if (tokens.accessToken() != null)
merged.putAll(JwtUtils.parseClaims(tokens.accessToken()));
if (tokens.idToken() != null)
merged.putAll(JwtUtils.parseClaims(tokens.idToken()));
return Map.copyOf(merged);
}
// -- Shared cookie utility (also used by OidcExtension) -------------------
static String cookieValue(Request req, String name) {
String header = req.header("Cookie");
if (header == null || header.isBlank()) return null;
int len = header.length();
int start = 0;
while (start < len) {
int semi = header.indexOf(';', start);
int end = semi < 0 ? len : semi;
int eq = header.indexOf('=', start);
if (eq > start && eq < end) {
int ns = start, ne = eq;
while (ns < ne && header.charAt(ns) == ' ') ns++;
while (ne > ns && header.charAt(ne-1) == ' ') ne--;
if (ne - ns == name.length() && header.regionMatches(ns, name, 0, name.length()))
return header.substring(eq + 1, end).strip();
}
start = end + 1;
}
return null;
}
}
flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcExtension.java → flash-extensions/flash-ext-auth-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcExtension.java
+28 -21
View File
@@ -4,6 +4,13 @@ import dev.relism.flash.ext.openapi.OpenApiContributor;
import dev.relism.flash.ext.openapi.OpenApiContributorRegistry;
import dev.relism.flash.ext.openapi.OpenApiOperationContribution;
import dev.relism.flash.ext.openapi.OpenApiResponseContribution;
import dev.relism.flash.ext.auth.AuthConfig;
import dev.relism.flash.ext.auth.Session;
import dev.relism.flash.ext.auth.AuthMiddleware;
import dev.relism.flash.ext.auth.AuthPolicy;
import dev.relism.flash.ext.auth.Authenticated;
import dev.relism.flash.ext.auth.RolesAllowed;
import dev.relism.flash.ext.auth.ScopesAllowed;
import dev.relism.flash.extension.FlashContext;
import dev.relism.flash.extension.FlashExtension;
import dev.relism.flash.extension.FlashRegistrar;
@@ -26,7 +33,8 @@ import java.util.*;
* <p>At {@link #provide}, the extension:
* <ol>
* <li>Fetches the provider discovery document — fail-fast at startup.</li>
* <li>Provides {@link OidcMiddleware} and {@link JwtValidator} in the context.</li>
* <li>Provides {@link AuthMiddleware}, {@link OidcCredentialSource} and {@link JwtValidator}
* in the context.</li>
* <li>Registers annotation processors for {@link Authenticated}, {@link RolesAllowed}
* and {@link ScopesAllowed}.</li>
* </ol>
@@ -62,7 +70,8 @@ public class OidcExtension implements FlashExtension {
private OidcStateStore stateStore;
private TokenClient tokenClient;
private JwtValidator validator;
private OidcMiddleware oidcMw;
private OidcCredentialSource source;
private AuthMiddleware authMw;
public OidcExtension(OidcConfig config) {
this.config = config;
@@ -71,7 +80,7 @@ public class OidcExtension implements FlashExtension {
// ── Phase 1: services ─────────────────────────────────────────────────────
@Override
public void provide(FlashContext ctx) {
public void configure(FlashRegistrar<?> app, FlashContext ctx) {
HttpClient http = buildHttpClient(config);
// Discover provider endpoints (blocking; fail fast at startup).
@@ -84,21 +93,19 @@ public class OidcExtension implements FlashExtension {
validator = new JwtValidator(meta.jwksUri(), config.issuer(), config.clientId(), config.algorithm(), http);
stateStore = new OidcStateStore();
tokenClient = new TokenClient(http, config);
oidcMw = new OidcMiddleware(validator, config, meta, tokenClient);
source = new OidcCredentialSource(validator, config, meta, tokenClient);
authMw = AuthMiddleware.install(ctx, AuthConfig.builder()
.rolesClaimPath(config.rolesClaimPath())
.scopeClaimPaths(config.scopeClaimPaths())
.build(), source);
ctx.provide(OidcMiddleware.class, oidcMw);
ctx.provide(JwtValidator.class, validator);
ctx.provide(OidcCredentialSource.class, source);
ctx.provide(JwtValidator.class, validator);
ctx.addAnnotationProcessor(handlerClass -> {
OidcAuthPolicy policy = OidcAuthPolicy.compileFromAnnotations(handlerClass);
return policy != null ? List.of(oidcMw.policyMiddleware(policy)) : List.of();
});
ctx.onReady(() -> registerRoutes(app, ctx));
}
// ── Phase 2: routes ───────────────────────────────────────────────────────
@Override
public void routes(FlashRegistrar<?> app, FlashContext ctx) {
private void registerRoutes(FlashRegistrar<?> app, FlashContext ctx) {
String prefix = config.routePrefix();
// ── GET {prefix}/login ────────────────────────────────────────────────
@@ -163,7 +170,7 @@ public class OidcExtension implements FlashExtension {
}
Map<String, Object> claims = mergeClaims(tokens);
OidcSession session = new OidcSession(
Session session = OidcCredentialSource.newSession(
UUID.randomUUID().toString(),
tokens.accessToken(), tokens.idToken(), tokens.refreshToken(),
Instant.now().plusSeconds(tokens.expiresIn()), claims);
@@ -177,12 +184,12 @@ public class OidcExtension implements FlashExtension {
// ── POST {prefix}/logout ──────────────────────────────────────────────
// Invalidates the local session and redirects to end_session_endpoint.
app.post(prefix + "/logout", (req, res) -> {
String sessionId = OidcMiddleware.cookieValue(req, "oidc_session");
String sessionId = OidcCredentialSource.cookieValue(req, "oidc_session");
String idTokenHint = null;
if (sessionId != null) {
OidcSession session = config.sessionStore().find(sessionId).orElse(null);
if (session != null) idTokenHint = session.idToken();
Session session = config.sessionStore().find(sessionId).orElse(null);
if (session != null) idTokenHint = session.attributeAsString(OidcCredentialSource.ID_TOKEN);
config.sessionStore().delete(sessionId);
}
@@ -252,7 +259,7 @@ public class OidcExtension implements FlashExtension {
private String absoluteSelf(Request req, String uri) {
if (!uri.startsWith("/")) return uri;
return config.selfScheme() + "://" + req.header("Host") + uri;
return OidcCredentialSource.selfOrigin(req, config.selfScheme()) + uri;
}
private static String enc(String v) {
@@ -298,12 +305,12 @@ public class OidcExtension implements FlashExtension {
OpenApiOperationContribution.Builder out =
OpenApiOperationContribution.builder();
List<String> operationScopes = OidcAuthPolicy.openApiScopesFor(handlerClass);
List<String> operationScopes = AuthPolicy.openApiScopesFor(handlerClass);
if (operationScopes != null) {
out.security(config.schemeName(), operationScopes);
}
OidcAuthPolicy policy = OidcAuthPolicy.compileFromAnnotations(handlerClass);
AuthPolicy policy = AuthPolicy.compileFromAnnotations(handlerClass);
if (policy == null || policy.optionalAuth()) return out.build();
out.response(401, OpenApiResponseContribution.of("Authentication required"));
flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcProviderMetadata.java → flash-extensions/flash-ext-auth-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcProviderMetadata.java
View File
flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcStateStore.java → flash-extensions/flash-ext-auth-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcStateStore.java
View File
flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcTokenResponse.java → flash-extensions/flash-ext-auth-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcTokenResponse.java
View File
flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcValidationException.java → flash-extensions/flash-ext-auth-oidc/src/main/java/dev/relism/flash/ext/oidc/OidcValidationException.java
View File
flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/PkceUtils.java → flash-extensions/flash-ext-auth-oidc/src/main/java/dev/relism/flash/ext/oidc/PkceUtils.java
View File
flash-extensions/flash-ext-oidc/src/main/java/dev/relism/flash/ext/oidc/TokenClient.java → flash-extensions/flash-ext-auth-oidc/src/main/java/dev/relism/flash/ext/oidc/TokenClient.java
View File
flash-extensions/flash-ext-auth-oidc/src/test/java/dev/relism/flash/ext/oidc/OidcCredentialSourceTest.java
+43
View File
@@ -0,0 +1,43 @@
package dev.relism.flash.ext.oidc;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
/**
* What stayed behind when authorization moved to {@code flash-ext-auth-core}: reading a bearer
* token off the wire, and the RFC 6750 challenges this source answers with. The matching of
* claims those credentials produce is {@code ClaimMatchingTest}'s job now.
*/
class OidcCredentialSourceTest {
private static OidcCredentialSource source() {
return new OidcCredentialSource(null, OidcConfig
.builder("https://idp.example.com", "client", "secret", "/auth/callback")
.build(), null, null);
}
@Test
void extractBearerToken_acceptsCaseInsensitiveBearerAndTrimsSpaces() {
assertEquals("abc.def.ghi", OidcCredentialSource.extractBearerToken("Bearer abc.def.ghi"));
assertEquals("abc", OidcCredentialSource.extractBearerToken(" bearer abc "));
assertNull(OidcCredentialSource.extractBearerToken("Basic Zm9vOmJhcg=="));
assertNull(OidcCredentialSource.extractBearerToken("Bearer"));
}
@Test
void bearerChallenge_containsRealmAndRfcErrors() {
OidcCredentialSource src = source();
String basic = src.bearerChallenge();
String invalid = src.invalidTokenChallenge();
String insufficient = src.insufficientScopeChallenge(new String[]{"orders:read", "payments:write"});
assertTrue(basic.startsWith("Bearer realm=\""));
assertTrue(invalid.contains("error=\"invalid_token\""));
assertTrue(insufficient.contains("error=\"insufficient_scope\""));
assertTrue(insufficient.contains("scope=\"orders:read payments:write\""));
}
}
flash-extensions/flash-ext-oidc/src/test/java/dev/relism/flash/ext/oidc/OidcOpenApiInteropTest.java → flash-extensions/flash-ext-auth-oidc/src/test/java/dev/relism/flash/ext/oidc/OidcOpenApiInteropTest.java
+5
View File
@@ -4,6 +4,10 @@ import dev.relism.flash.ext.openapi.OpenApiContributorRegistry;
import dev.relism.flash.ext.openapi.OpenApiOperationContribution;
import dev.relism.flash.ext.openapi.OpenApiResponseContribution;
import dev.relism.flash.ext.openapi.OpenApiContributor;
import dev.relism.flash.ext.auth.AuthPolicy;
import dev.relism.flash.ext.auth.Authenticated;
import dev.relism.flash.ext.auth.RolesAllowed;
import dev.relism.flash.ext.auth.ScopesAllowed;
import dev.relism.flash.extension.FlashContext;
import org.junit.jupiter.api.Test;
@@ -104,6 +108,7 @@ class OidcOpenApiInteropTest {
FlashContext ctx = new FlashContext();
OpenApiContributorRegistry registry = new OpenApiContributorRegistry();
ctx.provide(OpenApiContributorRegistry.class, registry);
ctx.complete();
OidcConfig config = OidcConfig.builder("https://issuer", "c", "s", "/cb").build();
OidcProviderMetadata meta = new OidcProviderMetadata("a", "t", "u", "j", "e");
flash-extensions/flash-ext-cache-caffeine/docs/README.md
+85
View File
@@ -0,0 +1,85 @@
# flash-ext-cache-caffeine
In-process caching backed by [Caffeine](https://github.com/ben-manes/caffeine). Implements
[`flash-ext-cache-core`](../../flash-ext-cache-core/docs/README.md).
## Dependency
```xml
<dependency>
<groupId>dev.relism</groupId>
<artifactId>flash-ext-cache-caffeine</artifactId>
<version>${flash.version}</version>
</dependency>
```
## Quick start
```java
FlashApp.create(8080)
.install(new CaffeineCacheExtension())
.scan("dev.example.api");
```
```java
@GET("/api/users/{id}")
public final class GetUser extends RequestHandler {
private Cache<String, User> users;
private UserRepository repo;
@Override protected void onInit() {
repo = require(UserRepository.class);
users = require(CacheManager.class).build("users", spec -> spec
.maxSize(10_000)
.ttl(Duration.ofMinutes(10)));
}
@Override public Object handle(Request req, Response res) {
return users.get(req.param("id"), repo::findById);
}
}
```
The extension takes no configuration. Each cache declares its own size and TTL where it is built.
## Why Caffeine and not a `LinkedHashMap`
An LRU on top of `LinkedHashMap` is about sixty lines, and for a cache that is genuinely
low-traffic it is the right answer — `ConcurrentHashMap::computeIfAbsent` is one line and has no
hit rate to get wrong.
This module exists for the case where that stops being true. Caffeine's W-TinyLFU admission,
striped frequency counters and amortised eviction are not a weekend's work to reproduce, and the
failure mode of getting them wrong is a cache that is *slower* than no cache — lock contention on
every lookup, or an eviction policy that throws away exactly the entries you were about to want.
## Lifecycle
Caches are released through `FlashContext.onClose`, so `app.stop()` drops every entry. That is
invisible in production with one app per process and matters immediately under test, where many
apps start and stop in one JVM.
## Statistics
```java
CacheStats stats = users.stats();
stats.hitRate(); // 0.0 until something is looked up
```
Requires `recordStats()` on the spec. Without it you get `CacheStats.DISABLED`, which is honest
about being unmeasured rather than reporting zeroes that look like a cold cache.
`manager.names()` lists every cache built so far, for an ops endpoint.
## What this is not
**HTTP caching.** If what you want is for the *client* to stop asking — `Cache-Control`, `ETag`,
`304 Not Modified` — that is a middleware, not an object cache, and it saves the whole request
rather than the lookup inside it. Reach for that first: it is cheaper, and the two solve different
problems.
**A shared cache.** Every replica has its own. Two instances will hold different values for the
same key, and an invalidation on one does not reach the other. When that becomes a problem the
answer is a networked backend — see the note on `flash-ext-cache-redis` — and the semantics change
with it: a cache that can fail is no longer transparent.
flash-extensions/flash-ext-cache-caffeine/pom.xml
+39
View File
@@ -0,0 +1,39 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>dev.relism</groupId>
<artifactId>flash-extensions</artifactId>
<version>2.1.0-SNAPSHOT</version>
</parent>
<artifactId>flash-ext-cache-caffeine</artifactId>
<dependencies>
<dependency>
<groupId>dev.relism</groupId>
<artifactId>flash-ext-cache-core</artifactId>
</dependency>
<!--
Caffeine rather than a hand-rolled LRU: W-TinyLFU admission, striped counters and
amortised eviction are not a weekend's work to get right, and getting them wrong is a
cache that is slower than no cache.
-->
<dependency>
<groupId>com.github.ben-manes.caffeine</groupId>
<artifactId>caffeine</artifactId>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
</dependency>
<dependency>
<groupId>dev.relism</groupId>
<artifactId>flash-testing</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
</project>
flash-extensions/flash-ext-cache-caffeine/src/main/java/dev/relism/flash/ext/cache/caffeine/CaffeineCache.java
Vendored
+41
View File
@@ -0,0 +1,41 @@
package dev.relism.flash.ext.cache.caffeine;
import dev.relism.flash.ext.cache.Cache;
import dev.relism.flash.ext.cache.CacheStats;
import java.util.function.Function;
/**
* {@link Cache} over a Caffeine cache. A thin adapter by design: every method delegates directly,
* adding no wrapper object, no copy and no synchronisation of its own.
*/
final class CaffeineCache<K, V> implements Cache<K, V> {
private final com.github.benmanes.caffeine.cache.Cache<K, V> delegate;
private final boolean statsRecorded;
CaffeineCache(com.github.benmanes.caffeine.cache.Cache<K, V> delegate, boolean statsRecorded) {
this.delegate = delegate;
this.statsRecorded = statsRecorded;
}
@Override
public V get(K key, Function<? super K, ? extends V> loader) {
// Caffeine's own get(key, mappingFunction) already guarantees the loader runs once per key
// across concurrent callers; wrapping it in anything of ours would only add a race.
return delegate.get(key, loader);
}
@Override public V getIfPresent(K key) { return delegate.getIfPresent(key); }
@Override public void put(K key, V value) { delegate.put(key, value); }
@Override public void invalidate(K key) { delegate.invalidate(key); }
@Override public void invalidateAll() { delegate.invalidateAll(); }
@Override public long estimatedSize() { return delegate.estimatedSize(); }
@Override
public CacheStats stats() {
if (!statsRecorded) return CacheStats.DISABLED;
com.github.benmanes.caffeine.cache.stats.CacheStats snapshot = delegate.stats();
return new CacheStats(snapshot.hitCount(), snapshot.missCount(), snapshot.evictionCount());
}
}
flash-extensions/flash-ext-cache-caffeine/src/main/java/dev/relism/flash/ext/cache/caffeine/CaffeineCacheExtension.java
Vendored
+33
View File
@@ -0,0 +1,33 @@
package dev.relism.flash.ext.cache.caffeine;
import dev.relism.flash.ext.cache.CacheManager;
import dev.relism.flash.extension.FlashContext;
import dev.relism.flash.extension.FlashExtension;
import dev.relism.flash.extension.FlashRegistrar;
/**
* Installs an in-process {@link CacheManager} backed by Caffeine.
*
* <pre>{@code
* FlashApp.create(8080)
* .install(new CaffeineCacheExtension())
* .scan("dev.example.api");
* }</pre>
*
* <p>No configuration. Each cache declares its own size and TTL where it is built, because those
* are properties of what is being cached, not of the process caching it.
*
* <p>Caches are dropped through {@link FlashContext#onClose}, so a stopped app does not keep its
* values alive — which matters when many apps start and stop in one JVM, as they do under test.
*/
public final class CaffeineCacheExtension implements FlashExtension {
@Override
public void configure(FlashRegistrar<?> app, FlashContext ctx) {
ctx.supply(CacheManager.class, services -> {
CaffeineCacheManager manager = new CaffeineCacheManager();
services.onClose(manager::clear);
return manager;
});
}
}
flash-extensions/flash-ext-cache-caffeine/src/main/java/dev/relism/flash/ext/cache/caffeine/CaffeineCacheManager.java
Vendored
+66
View File
@@ -0,0 +1,66 @@
package dev.relism.flash.ext.cache.caffeine;
import com.github.benmanes.caffeine.cache.Caffeine;
import dev.relism.flash.ext.cache.Cache;
import dev.relism.flash.ext.cache.CacheManager;
import dev.relism.flash.ext.cache.CacheSpec;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
/** In-process {@link CacheManager} backed by Caffeine. */
final class CaffeineCacheManager implements CacheManager {
private final Map<String, Entry> caches = new ConcurrentHashMap<>();
@Override
@SuppressWarnings("unchecked")
public <K, V> Cache<K, V> build(String name, java.util.function.Consumer<CacheSpec> configure) {
CacheSpec spec = CacheSpec.of();
configure.accept(spec);
Entry entry = caches.computeIfAbsent(name, key -> new Entry(describe(spec), create(spec)));
// Two handlers sharing a cache is the point; two handlers disagreeing about its size or
// TTL is a bug that would otherwise resolve to whichever one ran first.
String requested = describe(spec);
if (!entry.signature.equals(requested))
throw new IllegalStateException("Cache '" + name + "' already exists as " + entry.signature
+ " but was requested as " + requested);
return (Cache<K, V>) entry.cache;
}
@Override
@SuppressWarnings("unchecked")
public <K, V> Cache<K, V> cache(String name) {
Entry entry = caches.get(name);
return entry == null ? null : (Cache<K, V>) entry.cache;
}
@Override
public Set<String> names() {
return Set.copyOf(caches.keySet());
}
/** Releases every entry so a stopped app does not keep its values alive. */
void clear() {
caches.values().forEach(entry -> entry.cache.invalidateAll());
caches.clear();
}
private static CaffeineCache<Object, Object> create(CacheSpec spec) {
Caffeine<Object, Object> builder = Caffeine.newBuilder();
if (spec.bounded()) builder.maximumSize(spec.maxSize());
if (spec.ttl() != null) builder.expireAfterWrite(spec.ttl());
if (spec.ttlAfterAccess() != null) builder.expireAfterAccess(spec.ttlAfterAccess());
if (spec.statsRecorded()) builder.recordStats();
return new CaffeineCache<>(builder.build(), spec.statsRecorded());
}
private static String describe(CacheSpec spec) {
return "maxSize=" + spec.maxSize() + " ttl=" + spec.ttl()
+ " ttlAfterAccess=" + spec.ttlAfterAccess() + " stats=" + spec.statsRecorded();
}
private record Entry(String signature, CaffeineCache<Object, Object> cache) {}
}
flash-extensions/flash-ext-cache-caffeine/src/test/java/dev/relism/flash/ext/cache/caffeine/CaffeineCacheTest.java
Vendored
+160
View File
@@ -0,0 +1,160 @@
package dev.relism.flash.ext.cache.caffeine;
import dev.relism.flash.ext.cache.Cache;
import dev.relism.flash.ext.cache.CacheManager;
import dev.relism.flash.ext.cache.CacheStats;
import dev.relism.flash.extension.FlashApp;
import dev.relism.flash.extension.FlashConfiguration;
import dev.relism.flash.testing.FlashTest;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.RegisterExtension;
import java.time.Duration;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicInteger;
import static org.junit.jupiter.api.Assertions.*;
class CaffeineCacheTest {
private static final AtomicInteger loads = new AtomicInteger();
@RegisterExtension
static FlashTest app = FlashTest.of(configured -> {
configured.install(new CaffeineCacheExtension());
configured.ctx().onReady(() -> {
Cache<String, String> users = configured.ctx().require(CacheManager.class)
.build("users", spec -> spec.maxSize(100).ttl(Duration.ofMinutes(5)).recordStats());
configured.get("/users/{id}", (req, res) ->
users.get(req.param("id"), id -> "loaded:" + id + ":" + loads.incrementAndGet()));
});
});
private static CacheManager manager() {
return app.app().ctx().require(CacheManager.class);
}
@Test
void aRepeatedRequestIsServedFromCache() {
String first = app.get("/users/alice").expectStatus(200).body();
String second = app.get("/users/alice").expectStatus(200).body();
assertEquals(first, second);
assertTrue(first.startsWith("loaded:alice:"));
}
@Test
void distinctKeysLoadSeparately() {
assertNotEquals(app.get("/users/bob").body(), app.get("/users/carol").body());
}
@Test
void statsCountHitsAndMisses() {
Cache<String, String> cache = manager().build("stats-probe", spec -> spec.maxSize(10).recordStats());
cache.get("k", key -> "v");
cache.get("k", key -> "v");
CacheStats stats = cache.stats();
assertEquals(1, stats.misses());
assertEquals(1, stats.hits());
assertEquals(0.5, stats.hitRate());
}
@Test
void statsAreDisabledUnlessAskedFor() {
Cache<String, String> cache = manager().build("no-stats", spec -> spec.maxSize(10));
cache.get("k", key -> "v");
assertEquals(CacheStats.DISABLED, cache.stats());
}
@Test
void theLoaderRunsOncePerKeyUnderConcurrency() throws Exception {
Cache<String, String> cache = manager().build("single-flight", spec -> spec.maxSize(10));
AtomicInteger invocations = new AtomicInteger();
int threads = 16;
CountDownLatch start = new CountDownLatch(1);
CountDownLatch done = new CountDownLatch(threads);
for (int i = 0; i < threads; i++) {
Thread.ofVirtual().start(() -> {
try {
start.await();
cache.get("hot", key -> {
invocations.incrementAndGet();
return "value";
});
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
} finally {
done.countDown();
}
});
}
start.countDown();
assertTrue(done.await(5, java.util.concurrent.TimeUnit.SECONDS));
assertEquals(1, invocations.get(), "concurrent callers must share one load, not race");
}
@Test
void aNullLoaderResultStoresNothing() {
Cache<String, String> cache = manager().build("nulls", spec -> spec.maxSize(10));
assertNull(cache.get("missing", key -> null));
assertNull(cache.getIfPresent("missing"));
}
@Test
void invalidateDropsOneKeyAndInvalidateAllDropsEverything() {
Cache<String, String> cache = manager().build("invalidation", spec -> spec.maxSize(10));
cache.put("a", "1");
cache.put("b", "2");
cache.invalidate("a");
assertNull(cache.getIfPresent("a"));
assertEquals("2", cache.getIfPresent("b"));
cache.invalidateAll();
assertNull(cache.getIfPresent("b"));
}
@Test
void buildIsIdempotentPerName() {
Cache<String, String> first = manager().build("shared", spec -> spec.maxSize(10));
Cache<String, String> second = manager().build("shared", spec -> spec.maxSize(10));
assertSame(first, second, "two handlers asking for one cache must get one cache");
assertSame(first, manager().cache("shared"));
}
@Test
void disagreeingOnASharedCacheIsARejectedMistakeNotASilentWinner() {
manager().build("contested", spec -> spec.maxSize(10));
IllegalStateException conflict = assertThrows(IllegalStateException.class,
() -> manager().build("contested", spec -> spec.maxSize(999)));
assertTrue(conflict.getMessage().contains("contested"), conflict.getMessage());
}
@Test
void unknownNameReturnsNullRatherThanBuildingOne() {
assertNull(manager().cache("never-built"));
}
/** Why CaffeineCacheExtension registers onClose: values must not outlive the app holding them. */
@Test
void stoppingTheAppReleasesEveryCache() {
FlashApp standalone = FlashApp.create(FlashConfiguration.builder()
.port(0).host("127.0.0.1").shutdownDrainTimeoutMs(250).build())
.install(new CaffeineCacheExtension());
standalone.start();
CacheManager manager = standalone.ctx().require(CacheManager.class);
manager.build("scoped", spec -> spec.maxSize(10)).put("k", "v");
assertEquals(1, manager.names().size());
standalone.stop().join();
assertTrue(manager.names().isEmpty(), "caches must be released when the app stops");
}
}
flash-extensions/flash-ext-cache-core/docs/README.md
+64
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@@ -0,0 +1,64 @@
# flash-ext-cache-core
The caching contract, shared across backends. Like `flash-ext-data-core`, this module talks to
nothing: it defines the abstractions and a backend implements them.
## Components
- `Cache<K, V>` — a named cache. `get(key, loader)` is the method that matters.
- `CacheManager` — creates and hands back named caches.
- `CacheSpec` — size and expiry for one cache.
- `CacheStats` — hit/miss/eviction counters.
Install a backend, not this module: [`flash-ext-cache-caffeine`](../../flash-ext-cache-caffeine/docs/README.md)
for in-process caching.
## The one shape that matters
```java
User user = users.get(id, repo::findById);
```
Compute-if-absent is the only cache operation most code needs, and the only one that is hard to
get right — the loader runs **once per key** across concurrent callers, and the rest wait rather
than each computing their own. `getIfPresent`, `put`, `invalidate` and `invalidateAll` exist for
what it cannot express.
A loader returning `null` stores nothing and returns `null`. Caching absence is a decision, not a
default; wrap it in an `Optional` or a sentinel if you want it.
## Naming and sharing
`CacheManager.build(name, spec)` is idempotent per name: two handlers asking for `"users"` get one
cache, not two, so nobody has to coordinate who creates it first.
If they disagree about the spec, that throws. The alternative is a cache whose size depends on
which handler happened to initialise first, which is the kind of bug that only shows up under
load.
## Specs
```java
CacheSpec.of()
.maxSize(10_000)
.ttl(Duration.ofMinutes(10))
.recordStats();
```
Every field is optional, but a spec that sets neither `maxSize` nor `ttl` is an unbounded cache
that never expires — a memory leak wearing a hat. Set at least one.
`recordStats()` is off by default: counting costs a pair of atomic increments on every lookup, and
a cache nobody is measuring should not pay for numbers nobody reads. Without it, `stats()` returns
`CacheStats.DISABLED` rather than silently zero.
## Where the spec lives
On the cache, at the point it is built — not in application config. Size and TTL are properties of
*what is being cached*, not of the process doing the caching, and a TTL in a config file is a TTL
nobody can relate back to the data it governs.
## Writing a backend
Implement `CacheManager` and `Cache`, provide the manager from a `FlashExtension`, and register
cleanup with `FlashContext.onClose` so a stopped app does not keep its values alive.
flash-extensions/flash-ext-cache-core/pom.xml
+25
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@@ -0,0 +1,25 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>dev.relism</groupId>
<artifactId>flash-extensions</artifactId>
<version>2.1.0-SNAPSHOT</version>
</parent>
<artifactId>flash-ext-cache-core</artifactId>
<dependencies>
<dependency>
<groupId>dev.relism</groupId>
<artifactId>flash</artifactId>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
</dependency>
</dependencies>
</project>
flash-extensions/flash-ext-cache-core/src/main/java/dev/relism/flash/ext/cache/Cache.java
Vendored
+50
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@@ -0,0 +1,50 @@
package dev.relism.flash.ext.cache;
import java.util.function.Function;
/**
* A named cache. Obtained from a {@link CacheManager}, safe to hold in a handler field and share
* across threads.
*
* <pre>{@code
* User user = users.get(id, repo::findById);
* }</pre>
*
* <p>{@link #get} is the only method most code needs. The rest exist for the cases it cannot
* express: reading without populating, writing a value computed elsewhere, and invalidating.
*
* @param <K> key type — must have a stable {@code hashCode}/{@code equals}
* @param <V> value type
*/
public interface Cache<K, V> {
/**
* Returns the cached value, computing and storing it with {@code loader} if absent.
*
* <p>The loader runs at most once per key across concurrent callers; the others wait for it
* rather than each computing their own. A loader returning {@code null} stores nothing and
* {@code null} is returned.
*/
V get(K key, Function<? super K, ? extends V> loader);
/** The cached value, or {@code null} if absent. Never invokes a loader. */
V getIfPresent(K key);
/** Stores {@code value}, replacing any existing entry. */
void put(K key, V value);
/** Drops {@code key}. Does nothing if it was absent. */
void invalidate(K key);
/** Drops every entry. */
void invalidateAll();
/** Approximate entry count. Approximate because eviction is asynchronous in most backends. */
long estimatedSize();
/**
* Hit/miss counters since this cache was built, or {@link CacheStats#DISABLED} when the
* backend was not asked to record them.
*/
CacheStats stats();
}
flash-extensions/flash-ext-cache-core/src/main/java/dev/relism/flash/ext/cache/CacheManager.java
Vendored
+31
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@@ -0,0 +1,31 @@
package dev.relism.flash.ext.cache;
import java.util.function.Consumer;
/**
* Creates and hands back named caches. Resolve it with {@code require(CacheManager.class)}; a
* backend extension such as {@code flash-ext-cache-caffeine} provides the implementation.
*
* <pre>{@code
* @Override protected void onInit() {
* users = require(CacheManager.class).build("users", spec -> spec
* .maxSize(10_000)
* .ttl(Duration.ofMinutes(10)));
* }
* }</pre>
*
* <p>{@link #build} is idempotent per name: calling it twice returns the same cache rather than
* two, so several handlers can share one without coordinating who creates it. The spec of the
* first call wins; a later call with a different spec is a configuration mistake and throws.
*/
public interface CacheManager {
/** Creates the named cache, or returns the existing one. */
<K, V> Cache<K, V> build(String name, Consumer<CacheSpec> spec);
/** The named cache, or {@code null} if {@link #build} has not been called for it. */
<K, V> Cache<K, V> cache(String name);
/** Every cache name built so far, for an ops endpoint. */
java.util.Set<String> names();
}
flash-extensions/flash-ext-cache-core/src/main/java/dev/relism/flash/ext/cache/CacheSpec.java
Vendored
+64
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@@ -0,0 +1,64 @@
package dev.relism.flash.ext.cache;
import java.time.Duration;
/**
* How one cache should behave. Every field is optional — a spec that sets nothing gives an
* unbounded cache that never expires, which is a memory leak wearing a hat, so set at least one
* of {@link #maxSize} or {@link #ttl}.
*
* <pre>{@code
* CacheSpec.of().maxSize(10_000).ttl(Duration.ofMinutes(10))
* }</pre>
*
* <p>Mutable builder rather than a record with {@code withX} copies: it is constructed once at
* boot inside a lambda and never shared.
*/
public final class CacheSpec {
private long maxSize = -1;
private Duration ttl;
private Duration ttlAfterAccess;
private boolean recordStats;
private CacheSpec() {}
public static CacheSpec of() {
return new CacheSpec();
}
/** Maximum entries before the backend starts evicting. Negative means unbounded. */
public CacheSpec maxSize(long maxSize) {
this.maxSize = maxSize;
return this;
}
/** Entries expire this long after they were written. */
public CacheSpec ttl(Duration ttl) {
this.ttl = ttl;
return this;
}
/** Entries expire this long after they were last read or written. */
public CacheSpec ttlAfterAccess(Duration ttlAfterAccess) {
this.ttlAfterAccess = ttlAfterAccess;
return this;
}
/**
* Records hit/miss counters for {@link Cache#stats()}.
*
* <p>Off by default: counting costs a pair of atomic increments on every lookup, and a cache
* nobody is measuring should not pay for numbers nobody reads.
*/
public CacheSpec recordStats() {
this.recordStats = true;
return this;
}
public long maxSize() { return maxSize; }
public Duration ttl() { return ttl; }
public Duration ttlAfterAccess() { return ttlAfterAccess; }
public boolean statsRecorded() { return recordStats; }
public boolean bounded() { return maxSize >= 0; }
}
flash-extensions/flash-ext-cache-core/src/main/java/dev/relism/flash/ext/cache/CacheStats.java
Vendored
+20
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@@ -0,0 +1,20 @@
package dev.relism.flash.ext.cache;
/**
* Hit/miss counters for one cache.
*
* @param hits lookups that found a value
* @param misses lookups that had to load
* @param evictions entries dropped to respect {@link CacheSpec#maxSize()}
*/
public record CacheStats(long hits, long misses, long evictions) {
/** Returned when {@link CacheSpec#recordStats()} was not set — all zero, and says so. */
public static final CacheStats DISABLED = new CacheStats(0, 0, 0);
/** Hits divided by lookups, or 0 when nothing has been looked up yet. */
public double hitRate() {
long total = hits + misses;
return total == 0 ? 0 : (double) hits / total;
}
}
flash-extensions/flash-ext-cache-redis/docs/README.md
+39
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@@ -0,0 +1,39 @@
# flash-ext-cache-redis — planned
Not implemented. This directory holds the design so the decision is written down rather than
rediscovered; there is deliberately **no module, no pom and no source**, because an empty module
that builds an empty jar is dead weight in the reactor and in everyone's dependency tree.
Add it when there is a second replica that actually needs shared state.
## What it would implement
`CacheManager` and `Cache` from [`flash-ext-cache-core`](../../flash-ext-cache-core/docs/README.md),
so switching backend is an install-line change:
```java
.install(new RedisCacheExtension(RedisConfig.of("redis://localhost:6379")))
```
## The part that is not a drop-in
`flash-ext-cache-caffeine` cannot fail. A networked cache can, and that changes the contract in
ways an adapter cannot hide:
- **`get(key, loader)` can fail before reaching the loader.** The honest default is to fall
through to the loader and serve the value uncached, so Redis being down degrades throughput
rather than taking the application with it. That has to be a decision, not an accident.
- **Values must be serialized.** Caffeine stores references. A `byte[]` codec belongs in the spec,
and the natural default is whatever `flash-ext-jackson` is already configured with.
- **`invalidateAll()` is not free.** Against a shared keyspace it is either a scan or a key
prefix per cache name. The prefix is the right answer, and it means cache names become part of
the wire contract.
- **Stats are per-client, not per-cache.** Hit rate stays meaningful; eviction count does not,
because Redis evicts on its own policy.
## Why it is not built yet
Nothing in the codebase has two replicas sharing cache state. Building it now would mean choosing
a client library, a serialization format and a failure policy with no real usage to check them
against — and the failure policy in particular is the kind of decision that is wrong until a
production incident tells you otherwise.
flash-extensions/flash-ext-data-core/docs/README.md
+125
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@@ -0,0 +1,125 @@
# flash-ext-data-core
Shared core for Flash's data layer.
## Purpose
This module defines the transactional contract shared across backend implementations. It does not
talk to Hibernate or JDBC directly: it exposes abstractions and a minimal runtime, nothing else.
## Components
- `TxDefinition`: immutable transaction metadata.
- `TxStatus`: runtime state returned by the manager.
- `TxManager`: the `begin`/`commit`/`rollback` contract.
- `Tx`: runtime orchestration and the per-thread transaction stack.
- `ResourceRegistry`: thread-local storage for resources and synchronizations.
- `Repository<T, ID>`: self-transactional base repository.
- `Spec<T>`: composable predicate.
- `Query<T>`: query object carrying spec, sort and paging.
- `SpecBuilder<T>`: fluent DSL for building typed specs.
- `RepositorySupport<T, ID>`: shared internal helper.
- `TransactionPropagation`: propagation semantics.
- `TransactionIsolation`: isolation level.
- `TxSynchronization`: lifecycle hooks (see below).
## Execution model
The flow is:
1. `Tx.call(definition, work)` calls `TxManager.begin(definition)`.
2. The `TxManager` creates a backend-specific `TxStatus`.
3. The status is pushed onto the thread-local stack.
4. The work uses `Tx.resource(Class)` to obtain the current resource.
5. When the work ends, `Tx` chooses between `commit` and `rollback`.
6. The stack is popped, and the thread-local is cleared once it is empty.
## Supported propagation
- `REQUIRED`: use the active transaction, or open a new one.
- `REQUIRES_NEW`: suspend the current transaction and open a new one.
- `SUPPORTS`: join the active transaction if there is one, otherwise run without a transaction.
- `NOT_SUPPORTED`: suspend the current transaction and run without one.
- `MANDATORY`: require an active transaction.
## Synchronizations (`TxSynchronization`)
Lifecycle hooks for **one** transaction, registered through `Data.afterCommit(...)` (or directly
with `ResourceRegistry.addSynchronization(...)`).
Every callback belongs to exactly the innermost transaction active at registration time, and fires
exactly once, when *that* transaction completes:
- a **joined** inner transaction (`REQUIRED`) is not a transaction of its own, so callbacks
registered inside one wait for the outermost commit;
- a `REQUIRES_NEW` transaction is, so completing it fires only its own callbacks and leaves the
suspended outer transaction's pending.
### Which side of the commit each hook sits on
| hook | when | resource |
| --- | --- | --- |
| `beforeCommit(readOnly)` | immediately **before** the real commit | session/connection still **bound**, transaction still active |
| `afterCommit()` / `afterRollback()` | after completion | resource already **unbound** |
| `afterCompletion(outcome)` | after the two above | resource already unbound |
`beforeCommit` is the only hook that can still write through the same resource and have the write
land in the same atomic unit: flush a buffer, stamp an audit row, materialize a derived value. It
is skipped when the transaction is already `rollback-only`, since there is no commit to precede.
Post-completion callbacks run with the resource unbound instead: one that opens its own transaction
gets a **fresh** one rather than joining the transaction that just finished. That is what makes
them the right place to refresh a cache, enqueue a message, or notify anything outside the
database.
### Failure
Throwing from `beforeCommit` **vetoes the commit**: the transaction is rolled back,
`afterRollback`/`afterCompletion(ROLLED_BACK)` fire, and the exception reaches the caller. That is
the reason the hook runs before the commit rather than after — it can still refuse.
The post-completion hooks have no such power: the transaction is already over by the time they run,
so an exception propagates but changes nothing already committed, and stops the callbacks queued
behind it.
## Using `Repository`
`Repository` is the shared base for concrete repositories. Every public operation internally uses a
`REQUIRED` transaction, read-only where applicable.
Subclasses implement the `doXxx(...)` methods:
- `doFind(Query<T>)`
- `doFindOne(Spec<T>)`
- `doFindPage(Query<T>)`
- `doDeleteAll(Spec<T>)`
- `doUpdateAll(Spec<T>, T)`
The old `findAll(...)` and `findPage(...)` overloads were reduced to a combination of `Query<T>` and
`Spec<T>`.
```java
public abstract class Repository<T, ID> {
protected Repository(Tx tx) { ... }
protected final <R> R tx(Tx.TxCallable<R> work) { ... }
}
```
## Composing with Flash
`DataExtension` registers:
- `Tx` in the `FlashContext`
- `TxManager` in the `FlashContext`
- an annotation processor for `@Transactional`
This makes the data layer composable with Flash's extension system without global state.
## Implementation notes
- The transaction stack is thread-local and is cleared once it becomes empty.
- Backend resources are suspended and restored for `REQUIRES_NEW` and `NOT_SUPPORTED`.
- `TxSynchronization` is the hook point for commit/rollback/completion callbacks.
- Synchronizations live in a thread-local list; every new transaction records how many were already
registered when it opened and fires only its own tail, so a `REQUIRES_NEW` does not drag along
the suspended transaction's callbacks.
flash-extensions/flash-ext-data-core/pom.xml
+1 -1
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@@ -7,7 +7,7 @@
<parent>
<groupId>dev.relism</groupId>
<artifactId>flash-extensions</artifactId>
<version>2.0.0</version>
<version>2.1.0-SNAPSHOT</version>
</parent>
<artifactId>flash-ext-data-core</artifactId>
flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/DataExtension.java
+20 -12
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@@ -1,13 +1,15 @@
package dev.relism.flash.ext.data;
import dev.relism.flash.ext.data.core.Tx;
import dev.relism.flash.ext.data.core.Data;
import dev.relism.flash.ext.data.core.TxDefinition;
import dev.relism.flash.ext.data.core.TxManager;
import dev.relism.flash.ext.data.core.TransactionPropagation;
import dev.relism.flash.extension.ExtensionPhase;
import dev.relism.flash.extension.FlashRegistrar;
import dev.relism.flash.extension.FlashContext;
import dev.relism.flash.extension.FlashExtension;
import dev.relism.flash.extension.FlashRegistrar;
import dev.relism.flash.routing.MiddlewareKey;
import dev.relism.flash.routing.MiddlewareNode;
import dev.relism.flash.routing.Middleware;
import jakarta.transaction.Transactional;
@@ -15,16 +17,26 @@ import java.util.List;
import java.util.Objects;
public final class DataExtension implements FlashExtension {
private static final MiddlewareKey TRANSACTION = MiddlewareKey.of("flash.data.transaction");
private final TxManager txManager;
private final Tx tx;
private final Data data;
public DataExtension(TxManager txManager) {
this(txManager, null);
}
public DataExtension(TxManager txManager, Data data) {
this.txManager = Objects.requireNonNull(txManager);
this.data = data;
this.tx = data != null ? data.tx() : new Tx(txManager);
}
@Override
public void provide(FlashContext ctx) {
Tx.init(txManager);
public void configure(FlashRegistrar<?> app, FlashContext ctx) {
ctx.provide(Tx.class, tx);
ctx.provide(TxManager.class, txManager);
if (data != null) ctx.provide(Data.class, data);
ctx.addAnnotationProcessor(handlerClass -> {
Transactional ann = handlerClass.getAnnotation(Transactional.class);
if (ann == null) {
@@ -33,21 +45,17 @@ public final class DataExtension implements FlashExtension {
TxDefinition definition = TxDefinition.DEFAULTS
.withPropagation(mapTxType(ann.value()));
Middleware middleware = next -> (req, res) -> {
return Tx.call(definition, () -> next.handle(req, res));
return tx.call(definition, () -> next.handle(req, res));
};
return List.of(middleware);
return List.of(MiddlewareNode.of(TRANSACTION, middleware));
});
}
@Override
public int priority() {
return ExtensionPhase.EARLY.value;
}
private TransactionPropagation mapTxType(Transactional.TxType txType) {
return switch (txType) {
case REQUIRED, SUPPORTS -> TransactionPropagation.REQUIRED;
case REQUIRED -> TransactionPropagation.REQUIRED;
case REQUIRES_NEW -> TransactionPropagation.REQUIRES_NEW;
case SUPPORTS -> TransactionPropagation.SUPPORTS;
case MANDATORY -> TransactionPropagation.MANDATORY;
case NOT_SUPPORTED, NEVER -> TransactionPropagation.NOT_SUPPORTED;
};
flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/Data.java
+46
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@@ -0,0 +1,46 @@
package dev.relism.flash.ext.data.core;
import java.util.Objects;
import java.io.Serializable;
import java.util.concurrent.ConcurrentHashMap;
/**
* Application-facing data gateway. Repositories are created once per entity type and are safe to
* share: transaction/session state stays in {@link Tx}, never in the repository instance.
*/
public final class Data {
private final Tx tx;
private final RepositoryFactory repositories;
private final ConcurrentHashMap<Class<?>, Repository<?, ?>> cache = new ConcurrentHashMap<>();
public Data(Tx tx, RepositoryFactory repositories) {
this.tx = Objects.requireNonNull(tx, "tx");
this.repositories = Objects.requireNonNull(repositories, "repositories");
}
public Tx tx() { return tx; }
@SuppressWarnings("unchecked")
public <T, ID extends Serializable> Repository<T, ID> repository(Class<T> type) {
Objects.requireNonNull(type, "type");
return (Repository<T, ID>) cache.computeIfAbsent(type, key -> repositories.create(tx, type));
}
public void read(Tx.TxRunnable work) { tx.run(tx.readOnly(), work); }
public <T> T read(Tx.TxCallable<T> work) { return tx.call(tx.readOnly(), work); }
public void write(Tx.TxRunnable work) { tx.run(work); }
public <T> T write(Tx.TxCallable<T> work) { return tx.call(work); }
/** Transitional low-level access for infrastructure that needs an explicit definition. */
public void run(Tx.TxRunnable work) { tx.run(work); }
public <T> T call(Tx.TxCallable<T> work) { return tx.call(work); }
public <T> T call(TxDefinition definition, Tx.TxCallable<T> work) { return tx.call(definition, work); }
public TxDefinition readOnly() { return tx.readOnly(); }
/** Registers work that runs only after the enclosing write transaction commits. */
public void afterCommit(Runnable work) {
if (!tx.isActive()) throw new IllegalStateException("afterCommit requires an active transaction");
ResourceRegistry.addSynchronization(new TxSynchronization() {
@Override public void afterCommit() { work.run(); }
});
}
}
flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/Query.java
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@@ -0,0 +1,28 @@
package dev.relism.flash.ext.data.core;
public record Query<T>(Spec<T> spec, Sort sort, Integer page, Integer size) {
public Query {
spec = spec == null ? Spec.all() : spec;
sort = sort == null ? Sort.unsorted() : sort;
}
public static <T> Query<T> all() {
return new Query<>(Spec.all(), Sort.unsorted(), null, null);
}
public Query<T> where(Spec<T> spec) {
return new Query<>(spec, sort, page, size);
}
public Query<T> orderBy(Sort sort) {
return new Query<>(spec, sort, page, size);
}
public Query<T> page(int page, int size) {
return new Query<>(spec, sort, page, size);
}
public boolean isPaged() {
return page != null && size != null;
}
}
flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/Repository.java
+100 -91
View File
@@ -4,109 +4,118 @@ import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
/**
* Base repository. Subclasses only extend this — never HibernateRepository
* or JdbcRepository directly. The concrete backing is transparent.
*
* Every method auto-wraps in REQUIRED transaction — safe to call with or
* without an active transaction on the thread.
*/
public abstract class Repository<T, ID> {
public abstract class Repository<T, ID> extends RepositorySupport<T, ID> {
private final TxDefinition required = TxDefinition.DEFAULTS
.withPropagation(TransactionPropagation.REQUIRED);
// ── CRUD ──────────────────────────────────────────────────────────────────
protected Repository(Tx tx) {
super(tx);
}
public Optional<T> findById(ID id) {
return tx(() -> doFindById(id));
}
public List<T> findAll() {
return tx(this::doFindAll);
}
public List<T> findAll(int page, int size) {
return tx(() -> doFindAll(page, size));
}
public List<T> findAll(Sort sort) {
return tx(() -> doFindAll(sort));
}
public List<T> findAll(int page, int size, Sort sort) {
return tx(() -> doFindAll(page, size, sort));
}
public Page<T> findPage(int page, int size) {
return tx(() -> doFindPage(page, size));
}
public Page<T> findPage(int page, int size, Sort sort) {
return tx(() -> doFindPage(page, size, sort));
}
public T save(T entity) {
return tx(() -> doSave(entity));
}
public List<T> saveAll(Iterable<T> entities) {
return tx(() -> {
List<T> saved = new ArrayList<>();
for (T e : entities) saved.add(doSave(e));
return saved;
});
}
public T update(T entity) {
return tx(() -> doUpdate(entity));
}
public void delete(T entity) {
tx(() -> { doDelete(entity); return null; });
}
public void deleteById(ID id) {
tx(() -> { doDeleteById(id); return null; });
}
public void deleteAll(Iterable<T> entities) {
tx(() -> { entities.forEach(this::doDelete); return null; });
return roQuery(() -> doFindById(id));
}
public boolean existsById(ID id) {
return tx(() -> doExistsById(id));
return roQuery(() -> doExistsById(id));
}
public long count() {
return tx(this::doCount);
return roQuery(this::doCount);
}
// ── Auto-wrap helper ──────────────────────────────────────────────────────
/**
* Ensures the work runs inside a transaction.
* If one is already active (caller annotated @Transactional or inside Tx.run)
* it joins it — no new connection opened.
* If none is active it opens one, commits, and closes it transparently.
*/
protected final <R> R tx(Tx.TxCallable<R> work) {
return Tx.call(required, work);
public List<T> findAll() {
return findAll(Query.all());
}
// ── Abstract — implemented by HibernateRepository / JdbcRepository ────────
public List<T> findAll(Spec<T> spec) {
return findAll(Query.<T>all().where(spec));
}
public List<T> findAll(Query<T> query) {
return roQuery(() -> doFind(query));
}
public Page<T> findPage(Query<T> query) {
return roQuery(() -> doFindPage(query));
}
public Optional<T> findOne(Spec<T> spec) {
return roQuery(() -> doFindOne(spec));
}
public T save(T entity) {
return rwQuery(() -> doSave(entity));
}
public T update(T entity) {
return rwQuery(() -> doUpdate(entity));
}
public List<T> saveAll(Iterable<T> entities) {
return rwQuery(() -> doSaveAll(entities));
}
public void delete(T entity) {
rwQuery(() -> {
doDelete(entity);
return null;
});
}
public void deleteById(ID id) {
rwQuery(() -> {
doDeleteById(id);
return null;
});
}
public int deleteAll(Spec<T> spec) {
return rwQuery(() -> doDeleteAll(spec));
}
public int updateAll(Spec<T> spec, T patch) {
return rwQuery(() -> doUpdateAll(spec, patch));
}
public List<T> findAll(int page, int size) {
return findAll(Query.<T>all().page(page, size));
}
public List<T> findAll(Sort sort) {
return findAll(Query.<T>all().orderBy(sort));
}
public List<T> findAll(int page, int size, Sort sort) {
return findAll(Query.<T>all().orderBy(sort).page(page, size));
}
public Page<T> findPage(int page, int size) {
return findPage(Query.<T>all().page(page, size));
}
public Page<T> findPage(int page, int size, Sort sort) {
return findPage(Query.<T>all().orderBy(sort).page(page, size));
}
public void deleteAll(Iterable<T> entities) {
rwQuery(() -> {
for (T entity : entities) {
doDelete(entity);
}
return null;
});
}
protected abstract Optional<T> doFindById(ID id);
protected abstract List<T> doFindAll();
protected abstract List<T> doFindAll(int page, int size);
protected abstract List<T> doFindAll(Sort sort);
protected abstract List<T> doFindAll(int page, int size, Sort sort);
protected abstract Page<T> doFindPage(int page, int size);
protected abstract Page<T> doFindPage(int page, int size, Sort sort);
protected abstract T doSave(T entity);
protected abstract T doUpdate(T entity);
protected abstract void doDelete(T entity);
protected abstract void doDeleteById(ID id);
protected abstract boolean doExistsById(ID id);
protected abstract long doCount();
}
protected abstract List<T> doFind(Query<T> query);
protected abstract Optional<T> doFindOne(Spec<T> spec);
protected abstract Page<T> doFindPage(Query<T> query);
protected abstract boolean doExistsById(ID id);
protected abstract long doCount();
protected abstract T doSave(T entity);
protected abstract List<T> doSaveAll(Iterable<T> entities);
protected abstract T doUpdate(T entity);
protected abstract void doDelete(T entity);
protected abstract void doDeleteById(ID id);
protected abstract int doDeleteAll(Spec<T> spec);
protected abstract int doUpdateAll(Spec<T> spec, T patch);
}
flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/RepositoryFactory.java
+9
View File
@@ -0,0 +1,9 @@
package dev.relism.flash.ext.data.core;
import java.io.Serializable;
/** Creates the backend-specific, stateless repository for one entity type. */
@FunctionalInterface
public interface RepositoryFactory {
<T, ID extends Serializable> Repository<T, ID> create(Tx tx, Class<T> type);
}
flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/RepositorySupport.java
+24
View File
@@ -0,0 +1,24 @@
package dev.relism.flash.ext.data.core;
public abstract class RepositorySupport<T, ID> {
private final Tx tx;
private final TxDefinition rw = TxDefinition.DEFAULTS
.withPropagation(TransactionPropagation.REQUIRED);
private final TxDefinition ro = rw.asReadOnly();
protected RepositorySupport(Tx tx) {
this.tx = tx;
}
protected final Tx tx() {
return tx;
}
protected final <R> R roQuery(Tx.TxCallable<R> work) {
return tx.call(ro, work);
}
protected final <R> R rwQuery(Tx.TxCallable<R> work) {
return tx.call(rw, work);
}
}
flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/ResourceRegistry.java
+51 -3
View File
@@ -31,6 +31,11 @@ public final class ResourceRegistry {
SYNCHRONIZATIONS.get().clear();
}
public static void cleanup() {
RESOURCES.remove();
SYNCHRONIZATIONS.remove();
}
public static <R> R get(TxResourceKey key, Class<R> type) {
Object value = RESOURCES.get().get(key);
if (value == null) {
@@ -48,9 +53,52 @@ public final class ResourceRegistry {
SYNCHRONIZATIONS.get().add(Objects.requireNonNull(sync));
}
public static void fireSynchronizations(TxOutcome outcome) {
List<TxSynchronization> syncs = List.copyOf(SYNCHRONIZATIONS.get());
SYNCHRONIZATIONS.get().clear();
/**
* How many synchronizations are registered right now — captured by a transaction manager when
* it opens a new transaction, and handed back to {@link #fireSynchronizations} on completion
* so that transaction only fires its own. See there for why that matters.
*/
public static int synchronizationCount() {
return SYNCHRONIZATIONS.get().size();
}
/**
* Runs {@link TxSynchronization#beforeCommit} on the synchronizations registered from
* {@code fromIndex} onward, while their transaction is still active and its resource still
* bound. Unlike {@link #fireSynchronizations} this leaves them registered: they still have
* their post-completion callbacks to come. Exceptions propagate on purpose — a beforeCommit
* that throws vetoes the commit, see {@link TxSynchronization}.
*
* <p>Snapshots before iterating, so a callback that registers further synchronizations (a
* nested {@code Data#afterCommit}) doesn't mutate the list mid-loop. Those new ones join the
* transaction's post-completion callbacks without getting a {@code beforeCommit} of their own,
* which is the only coherent answer once the pass is already running.
*/
public static void fireBeforeCommit(boolean readOnly, int fromIndex) {
List<TxSynchronization> pending = SYNCHRONIZATIONS.get();
if (fromIndex >= pending.size()) {
return;
}
for (TxSynchronization sync : List.copyOf(pending.subList(fromIndex, pending.size()))) {
sync.beforeCommit(readOnly);
}
}
/**
* Fires (and removes) the synchronizations registered from {@code fromIndex} onward — the ones
* belonging to the transaction now completing. Everything before that index was registered by
* an enclosing transaction that is merely <em>suspended</em>, not finished: a REQUIRES_NEW
* inner transaction sets its own baseline, so committing it no longer drags the outer's
* pending callbacks along — which fired them early, and with the inner transaction's outcome,
* for an outer transaction that might still roll back.
*/
public static void fireSynchronizations(TxOutcome outcome, int fromIndex) {
List<TxSynchronization> pending = SYNCHRONIZATIONS.get();
if (fromIndex >= pending.size()) {
return;
}
List<TxSynchronization> syncs = List.copyOf(pending.subList(fromIndex, pending.size()));
pending.subList(fromIndex, pending.size()).clear();
for (TxSynchronization sync : syncs) {
if (outcome == TxOutcome.COMMITTED) {
sync.afterCommit();
flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/Sort.java
+5 -1
View File
@@ -7,6 +7,10 @@ public record Sort(List<Column> columns) {
public record Column(String column, boolean asc) {}
public static Sort unsorted() { return new Sort(List.of()); }
public boolean isSorted() { return !columns.isEmpty(); }
public static Sort by(String column) { return new Sort(List.of(new Column(column, true))); }
public static Sort desc(String column) { return new Sort(List.of(new Column(column, false))); }
public static Sort by(String col, boolean asc){ return new Sort(List.of(new Column(col, asc))); }
@@ -19,4 +23,4 @@ public record Sort(List<Column> columns) {
next.add(new Column(column, asc));
return new Sort(next);
}
}
}
flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/Spec.java
+26
View File
@@ -0,0 +1,26 @@
package dev.relism.flash.ext.data.core;
@FunctionalInterface
public interface Spec<T> {
String toFragment(SpecContext ctx);
default Spec<T> and(Spec<T> other) {
return ctx -> "(" + this.toFragment(ctx) + " AND " + other.toFragment(ctx) + ")";
}
default Spec<T> or(Spec<T> other) {
return ctx -> "(" + this.toFragment(ctx) + " OR " + other.toFragment(ctx) + ")";
}
default Spec<T> not() {
return ctx -> "NOT (" + this.toFragment(ctx) + ")";
}
static <T> Spec<T> all() {
return ctx -> "1=1";
}
static <T> Spec<T> none() {
return ctx -> "1=0";
}
}
flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/SpecBuilder.java
+37
View File
@@ -0,0 +1,37 @@
package dev.relism.flash.ext.data.core;
import java.util.Collection;
import java.util.Objects;
import java.util.stream.Collectors;
public final class SpecBuilder<T> {
private SpecBuilder() {}
public static <T, V> FieldSpec<T, V> field(String column) {
return new FieldSpec<>(column);
}
public static final class FieldSpec<T, V> {
private final String column;
private FieldSpec(String column) {
this.column = Objects.requireNonNull(column);
}
public Spec<T> eq(V value) { return ctx -> column + " = " + ctx.bind(value); }
public Spec<T> neq(V value) { return ctx -> column + " != " + ctx.bind(value); }
public Spec<T> like(String pattern) { return ctx -> column + " like " + ctx.bind(pattern); }
public Spec<T> isNull() { return ctx -> column + " is null"; }
public Spec<T> isNotNull() { return ctx -> column + " is not null"; }
public Spec<T> in(Collection<V> values) {
return ctx -> column + " in (" + values.stream().map(ctx::bind).collect(Collectors.joining(", ")) + ")";
}
public <C extends Comparable<C>> Spec<T> gt(C value) { return ctx -> column + " > " + ctx.bind(value); }
public <C extends Comparable<C>> Spec<T> lt(C value) { return ctx -> column + " < " + ctx.bind(value); }
public <C extends Comparable<C>> Spec<T> between(C lo, C hi) {
return ctx -> column + " between " + ctx.bind(lo) + " and " + ctx.bind(hi);
}
}
}
flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/SpecContext.java
+5
View File
@@ -0,0 +1,5 @@
package dev.relism.flash.ext.data.core;
public interface SpecContext {
String bind(Object value);
}
flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/TransactionPropagation.java
+1
View File
@@ -3,6 +3,7 @@ package dev.relism.flash.ext.data.core;
public enum TransactionPropagation {
REQUIRED,
REQUIRES_NEW,
SUPPORTS,
NOT_SUPPORTED,
MANDATORY
}
flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/Tx.java
+38 -31
View File
@@ -2,83 +2,78 @@ package dev.relism.flash.ext.data.core;
import java.util.ArrayDeque;
import java.util.Deque;
import java.util.Objects;
public final class Tx {
private static final ThreadLocal<Deque<TxStatus>> STATUS_STACK =
ThreadLocal.withInitial(ArrayDeque::new);
private static volatile TxManager manager;
private final TxManager manager;
private Tx() {}
public static void init(TxManager txManager) {
if (manager != null) {
throw new IllegalStateException("TxManager already initialized");
}
manager = txManager;
public Tx(TxManager txManager) {
this.manager = Objects.requireNonNull(txManager);
}
public static void run(TxRunnable work) {
public void run(TxRunnable work) {
run(TxDefinition.DEFAULTS, work);
}
public static void run(TxDefinition definition, TxRunnable work) {
public void run(TxDefinition definition, TxRunnable work) {
call(definition, () -> {
work.run();
return null;
});
}
public static <T> T call(TxCallable<T> work) {
public <T> T call(TxCallable<T> work) {
return call(TxDefinition.DEFAULTS, work);
}
public static <T> T call(TxDefinition definition, TxCallable<T> work) {
TxStatus status = manager().begin(definition);
public <T> T call(TxDefinition definition, TxCallable<T> work) {
TxStatus status = manager.begin(definition);
pushStatus(status);
try {
T result = work.call();
if (status.isRollbackOnly()) {
manager().rollback(status);
manager.rollback(status);
} else {
manager().commit(status);
manager.commit(status);
}
return result;
} catch (Exception e) {
manager().rollback(status);
silentRollback(status);
throw (e instanceof TxException txException) ? txException : new TxException(e);
} catch (Throwable t) {
silentRollback(status);
throw sneakyThrow(t);
} finally {
popStatus();
if (STATUS_STACK.get().isEmpty()) {
STATUS_STACK.remove();
}
}
}
public static boolean isActive() {
public boolean isActive() {
return !STATUS_STACK.get().isEmpty();
}
public static void setRollbackOnly() {
public void setRollbackOnly() {
currentStatus().markRollbackOnly();
}
public static <R> R resource(Class<R> type) {
public <R> R resource(Class<R> type) {
return currentStatus().resource(type);
}
public static TxDefinition requiresNew() {
public TxDefinition requiresNew() {
return TxDefinition.DEFAULTS.withPropagation(TransactionPropagation.REQUIRES_NEW);
}
public static TxDefinition readOnly() {
public TxDefinition readOnly() {
return TxDefinition.DEFAULTS.asReadOnly();
}
private static TxManager manager() {
if (manager == null) {
throw new IllegalStateException("No TxManager installed");
}
return manager;
}
private static TxStatus currentStatus() {
private TxStatus currentStatus() {
TxStatus status = STATUS_STACK.get().peek();
if (status == null) {
throw new IllegalStateException("No active transaction");
@@ -86,17 +81,29 @@ public final class Tx {
return status;
}
private static void pushStatus(TxStatus status) {
private void pushStatus(TxStatus status) {
STATUS_STACK.get().push(status);
}
private static void popStatus() {
private void popStatus() {
Deque<TxStatus> stack = STATUS_STACK.get();
if (!stack.isEmpty()) {
stack.pop();
}
}
private void silentRollback(TxStatus status) {
try {
manager.rollback(status);
} catch (Exception ignored) {
}
}
@SuppressWarnings("unchecked")
private static <E extends Throwable> RuntimeException sneakyThrow(Throwable t) throws E {
throw (E) t;
}
@FunctionalInterface
public interface TxRunnable {
void run();
flash-extensions/flash-ext-data-core/src/main/java/dev/relism/flash/ext/data/core/TxSynchronization.java
+50
View File
@@ -1,8 +1,58 @@
package dev.relism.flash.ext.data.core;
/**
* Lifecycle hooks for one transaction, registered through {@code Data#afterCommit} (or
* {@link ResourceRegistry#addSynchronization} directly) and fired by the {@link TxManager} that
* owns the transaction they were registered in.
*
* <p>Every callback belongs to exactly one transaction — the innermost one active at registration
* time — and fires exactly once, when <em>that</em> transaction completes. A joined
* ({@code REQUIRED}) inner transaction is not a transaction of its own, so callbacks registered
* inside one wait for the outermost commit; a {@code REQUIRES_NEW} transaction is, so completing
* it fires only its own callbacks and leaves the suspended outer transaction's alone.
*
* <h3>Where each hook sits relative to the commit</h3>
* <ul>
* <li>{@link #beforeCommit(boolean)} — immediately <b>before</b> the real commit, with the
* transaction still active and its session/connection still bound. This is the only hook
* that can still write through that same resource and have the write land in the same atomic
* unit: flush a buffer, stamp an audit row, materialize a derived value. Skipped entirely
* when the transaction is already rollback-only, since there is no commit to precede.</li>
* <li>{@link #afterCommit()} / {@link #afterRollback()}, then {@link #afterCompletion(TxOutcome)}
* — <b>after</b> the transaction has completed and its resource has been unbound. Nothing
* done here is part of the transaction: a callback that opens its own transaction gets a
* fresh one instead of joining the one that just finished, which is what makes this the
* right place to refresh a cache, enqueue a message, or notify anything outside the
* database.</li>
* </ul>
*
* <h3>Failure</h3>
* Throwing from {@link #beforeCommit(boolean)} <b>vetoes the commit</b>: the transaction is rolled
* back, {@link #afterRollback()}/{@link #afterCompletion(TxOutcome)} fire with
* {@link TxOutcome#ROLLED_BACK}, and the exception propagates to the caller. That is the point of
* this hook running before the commit rather than after — it can still refuse.
*
* <p>The post-completion hooks have no such power: the transaction is over by the time they run,
* so an exception from one propagates to the caller but changes nothing already committed, and
* stops the callbacks queued behind it.
*/
public interface TxSynchronization {
/**
* Runs inside the transaction, immediately before it commits — see the interface javadoc.
* Throwing from here rolls the transaction back instead of committing it.
*
* @param readOnly whether the transaction was opened read-only, so a callback that would
* otherwise write can skip work it is not allowed to do
*/
default void beforeCommit(boolean readOnly) {}
/** Runs after a successful commit, with the transaction's resource already unbound. */
default void afterCommit() {}
/** Runs after a rollback, with the transaction's resource already unbound. */
default void afterRollback() {}
/** Runs after {@link #afterCommit()}/{@link #afterRollback()}, whichever applied. */
default void afterCompletion(TxOutcome outcome) {}
}
flash-extensions/flash-ext-data-hibernate/docs/README.md
+95
View File
@@ -0,0 +1,95 @@
# flash-ext-data-hibernate
Hibernate backend for `flash-ext-data-core`.
## Purpose
This module implements `TxManager` on top of a `SessionFactory` and provides a Hibernate-centric
repository base class.
## How to use it
### 1. Create the manager
```java
SessionFactory sessionFactory = ...;
HibernateTxManager txManager = new HibernateTxManager(sessionFactory);
DataExtension extension = new DataExtension(txManager);
```
### 2. Install the extension in Flash
The extension registers `Tx` and `TxManager` in the `FlashContext`. Class-based handlers annotated
with `@Transactional` are wrapped automatically.
### 3. Define a repository
```java
public final class UserRepository extends HibernateRepository<User, Long> {
public UserRepository(Tx tx) {
super(tx, User.class);
}
}
```
With the query/spec model you can expose reusable fields as constants:
```java
public final class UserRepository extends HibernateRepository<User, Long> {
public static final SpecBuilder.FieldSpec<User, String> EMAIL = SpecBuilder.field("u.email");
public static final SpecBuilder.FieldSpec<User, Boolean> ACTIVE = SpecBuilder.field("u.active");
public UserRepository(Tx tx) {
super(tx, User.class);
}
public Optional<User> findByEmail(String email) {
return findOne(EMAIL.eq(email));
}
}
```
Domain-specific queries can use the base class helpers:
```java
public List<User> findByEmailDomain(String domain) {
return findMany("from User u where u.email like :email", q ->
q.setParameter("email", "%@" + domain)
);
}
```
## How it works underneath
- The current transaction is represented by `HibernateTxStatus`.
- The resource exposed to the core is a `Session`.
- `Tx.resource(Session.class)` retrieves the `Session` from the current context.
- `REQUIRES_NEW` suspends the active status and opens a new `Session`.
- `NOT_SUPPORTED` suspends the active transaction and continues with no session bound.
## Repository base class
`HibernateRepository` provides:
- `findById`, `findAll`, `findPage`, `findOne`
- `save`, `update`, `delete`, `saveAll`
- bulk `deleteAll(Spec<T>)` and `updateAll(Spec<T>, T)`
- HQL helpers: `hql(...)`, `hqlMutate(...)`
Concrete classes only have to implement domain queries, never the transactional plumbing.
## Transactional semantics
- `REQUIRED`: join, or open a new transaction.
- `REQUIRES_NEW`: suspend the current context.
- `SUPPORTS`: join if a transaction exists, otherwise no-op.
- `NOT_SUPPORTED`: suspend and continue without a transaction.
- `MANDATORY`: fail if there is no transaction.
## Notes
- The `Session` is closed when a new transaction ends.
- Synchronizations registered in a transaction fire when *that* transaction completes:
`beforeCommit` while it is still active and the `Session` still bound, the post-completion hooks
once it is unbound. See `flash-ext-data-core/docs/README.md` for the full contract.
- This backend is meant to be used through the base class, not directly.
flash-extensions/flash-ext-data-hibernate/pom.xml
+1 -1
View File
@@ -7,7 +7,7 @@
<parent>
<groupId>dev.relism</groupId>
<artifactId>flash-extensions</artifactId>
<version>2.0.0</version>
<version>2.1.0-SNAPSHOT</version>
</parent>
<artifactId>flash-ext-data-hibernate</artifactId>
flash-extensions/flash-ext-data-hibernate/src/main/java/dev/relism/flash/ext/data/hibernate/HibernateData.java
+25
View File
@@ -0,0 +1,25 @@
package dev.relism.flash.ext.data.hibernate;
import dev.relism.flash.ext.data.core.Data;
import dev.relism.flash.ext.data.core.Repository;
import dev.relism.flash.ext.data.core.RepositoryFactory;
import dev.relism.flash.ext.data.core.Tx;
import dev.relism.flash.ext.data.core.TxManager;
import java.io.Serializable;
/** Hibernate-backed {@link Data} factory. */
public final class HibernateData {
private HibernateData() {}
private static final RepositoryFactory REPOSITORIES = new RepositoryFactory() {
@Override
public <T, ID extends Serializable> Repository<T, ID> create(Tx tx, Class<T> type) {
return new HibernateRepository<T, ID>(tx, type) {};
}
};
public static Data create(TxManager manager) {
Tx tx = new Tx(manager);
return new Data(tx, REPOSITORIES);
}
}
flash-extensions/flash-ext-data-hibernate/src/main/java/dev/relism/flash/ext/data/hibernate/HibernateRepository.java
+77 -87
View File
@@ -1,79 +1,74 @@
package dev.relism.flash.ext.data.hibernate;
import dev.relism.flash.ext.data.core.*;
import jakarta.persistence.TypedQuery;
import org.hibernate.Session;
import org.hibernate.query.MutationQuery;
import jakarta.persistence.TypedQuery;
import java.io.Serializable;
import java.util.*;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import java.util.function.Consumer;
import java.util.stream.Collectors;
/**
* Hibernate-backed repository base.
* Never extend this directly — extend {@link Repository} from the core.
* This class is instantiated internally by flash-ext-data-hibernate.
*/
public abstract class HibernateRepository<T, ID extends Serializable>
extends Repository<T, ID> {
public abstract class HibernateRepository<T, ID extends Serializable> extends Repository<T, ID> {
private final Class<T> type;
protected HibernateRepository(Class<T> type) {
protected HibernateRepository(Tx tx, Class<T> type) {
super(tx);
this.type = type;
}
// ── Session — always safe, tx() wrapper guarantees active transaction ─────
protected Session session() {
return Tx.resource(Session.class);
return tx().resource(Session.class);
}
// ── Repository abstract impl ──────────────────────────────────────────────
@Override
protected Optional<T> doFindById(ID id) {
return Optional.ofNullable(session().get(type, id));
}
@Override
protected List<T> doFindAll() {
return hql("from " + type.getSimpleName()).getResultList();
protected List<T> doFind(Query<T> query) {
HibernateSpecContext ctx = new HibernateSpecContext();
String where = query.spec() != null ? " where " + query.spec().toFragment(ctx) : "";
String order = query.sort() != null && query.sort().isSorted() ? " order by " + orderClause(query.sort()) : "";
TypedQuery<T> q = session().createQuery("from " + type.getSimpleName() + where + order, type);
ctx.applyParameters(q);
if (query.isPaged()) {
q.setFirstResult(query.page() * query.size());
q.setMaxResults(query.size());
}
return q.getResultList();
}
@Override
protected List<T> doFindAll(int page, int size) {
return hql("from " + type.getSimpleName())
.setFirstResult(page * size)
.setMaxResults(size)
.getResultList();
protected Optional<T> doFindOne(Spec<T> spec) {
return doFind(Query.<T>all().where(spec).page(0, 1)).stream().findFirst();
}
@Override
protected List<T> doFindAll(Sort sort) {
return hql("from " + type.getSimpleName() + orderClause(sort))
.getResultList();
protected Page<T> doFindPage(Query<T> query) {
if (!query.isPaged()) {
throw new IllegalArgumentException("Paged query requires page and size");
}
long total = countWhere(query.spec());
List<T> content = doFind(query);
return new Page<>(content, query.page(), query.size(), total);
}
@Override
protected List<T> doFindAll(int page, int size, Sort sort) {
return hql("from " + type.getSimpleName() + orderClause(sort))
.setFirstResult(page * size)
.setMaxResults(size)
.getResultList();
protected boolean doExistsById(ID id) {
return doFindById(id).isPresent();
}
@Override
protected Page<T> doFindPage(int page, int size) {
long total = doCount();
return new Page<>(doFindAll(page, size), page, size, total);
}
@Override
protected Page<T> doFindPage(int page, int size, Sort sort) {
long total = doCount();
return new Page<>(doFindAll(page, size, sort), page, size, total);
protected long doCount() {
return countWhere(Spec.all());
}
@Override
@@ -82,6 +77,22 @@ public abstract class HibernateRepository<T, ID extends Serializable>
return entity;
}
@Override
protected List<T> doSaveAll(Iterable<T> entities) {
List<T> saved = new ArrayList<>();
Session s = session();
int i = 0;
for (T entity : entities) {
s.persist(entity);
saved.add(entity);
if (++i % 50 == 0) {
s.flush();
s.clear();
}
}
return saved;
}
@Override
protected T doUpdate(T entity) {
return session().merge(entity);
@@ -99,66 +110,37 @@ public abstract class HibernateRepository<T, ID extends Serializable>
}
@Override
protected boolean doExistsById(ID id) {
return doFindById(id).isPresent();
protected int doDeleteAll(Spec<T> spec) {
HibernateSpecContext ctx = new HibernateSpecContext();
String where = " where " + spec.toFragment(ctx);
MutationQuery q = session().createMutationQuery("delete from " + type.getSimpleName() + where);
ctx.applyParameters(q);
return q.executeUpdate();
}
@Override
protected long doCount() {
return session()
.createQuery("select count(*) from " + type.getSimpleName(), Long.class)
.uniqueResultOptional()
.orElse(0L);
protected int doUpdateAll(Spec<T> spec, T patch) {
throw new UnsupportedOperationException("Override doUpdateAll() for bulk UPDATE support");
}
// ── Query helpers — usabili nelle sottoclassi domain ─────────────────────
protected TypedQuery<T> hql(String hql) {
return session().createQuery(hql, type);
}
protected <R> TypedQuery<R> hql(String hql, Class<R> resultType) {
return session().createQuery(hql, resultType);
}
protected Optional<T> findOne(String hql, Consumer<TypedQuery<T>> params) {
TypedQuery<T> q = hql(hql);
params.accept(q);
return q.getResultStream().findFirst();
}
protected List<T> findMany(String hql, Consumer<TypedQuery<T>> params) {
return tx(() -> {
TypedQuery<T> q = hql(hql);
protected List<T> hql(String hql, Consumer<TypedQuery<T>> params) {
return roQuery(() -> {
TypedQuery<T> q = session().createQuery(hql, type);
params.accept(q);
return q.getResultList();
});
}
protected List<T> findMany(String hql, Consumer<TypedQuery<T>> params,
int page, int size) {
return tx(() -> {
TypedQuery<T> q = hql(hql);
protected <R> List<R> hql(String hql, Class<R> resultType, Consumer<TypedQuery<R>> params) {
return roQuery(() -> {
TypedQuery<R> q = session().createQuery(hql, resultType);
params.accept(q);
return q.setFirstResult(page * size).setMaxResults(size).getResultList();
return q.getResultList();
});
}
protected Page<T> findManyPaged(String hql, String countHql,
Consumer<TypedQuery<T>> params,
int page, int size) {
return tx(() -> {
long total = session()
.createQuery(countHql, Long.class)
.uniqueResultOptional()
.orElse(0L);
List<T> content = findMany(hql, params, page, size);
return new Page<>(content, page, size, total);
});
}
protected int execute(String hql, Consumer<MutationQuery> params) {
return tx(() -> {
protected int hqlMutate(String hql, Consumer<MutationQuery> params) {
return rwQuery(() -> {
MutationQuery q = session().createMutationQuery(hql);
params.accept(q);
return q.executeUpdate();
@@ -169,9 +151,17 @@ public abstract class HibernateRepository<T, ID extends Serializable>
return type;
}
private long countWhere(Spec<T> spec) {
HibernateSpecContext ctx = new HibernateSpecContext();
String where = spec != null ? " where " + spec.toFragment(ctx) : "";
TypedQuery<Long> q = session().createQuery("select count(*) from " + type.getSimpleName() + where, Long.class);
ctx.applyParameters(q);
return q.getResultStream().findFirst().orElse(0L);
}
private String orderClause(Sort sort) {
return " order by " + sort.columns().stream()
return sort.columns().stream()
.map(c -> c.column() + (c.asc() ? " ASC" : " DESC"))
.collect(Collectors.joining(", "));
}
}
}
flash-extensions/flash-ext-data-hibernate/src/main/java/dev/relism/flash/ext/data/hibernate/HibernateSpecContext.java
+28
View File
@@ -0,0 +1,28 @@
package dev.relism.flash.ext.data.hibernate;
import dev.relism.flash.ext.data.core.SpecContext;
import jakarta.persistence.TypedQuery;
import org.hibernate.query.MutationQuery;
import java.util.LinkedHashMap;
import java.util.Map;
final class HibernateSpecContext implements SpecContext {
private final Map<String, Object> params = new LinkedHashMap<>();
private int counter;
@Override
public String bind(Object value) {
String name = "p" + (++counter);
params.put(name, value);
return ":" + name;
}
void applyParameters(TypedQuery<?> query) {
params.forEach(query::setParameter);
}
void applyParameters(MutationQuery query) {
params.forEach(query::setParameter);
}
}
flash-extensions/flash-ext-data-hibernate/src/main/java/dev/relism/flash/ext/data/hibernate/HibernateTxManager.java
+128 -23
View File
@@ -8,6 +8,7 @@ import java.util.Objects;
public class HibernateTxManager implements TxManager {
private static final TxResourceKey HIBERNATE_STATUS_KEY = TxResourceKey.of("hibernate.tx.status");
private static final TxResourceKey HIBERNATE_SUSPENDED_KEY = TxResourceKey.of("hibernate.tx.suspended");
private final SessionFactory sf;
@@ -22,35 +23,60 @@ public class HibernateTxManager implements TxManager {
? joinExisting(definition)
: beginNew(definition);
case REQUIRES_NEW -> beginNew(definition);
case SUPPORTS -> ResourceRegistry.isBound(HIBERNATE_STATUS_KEY)
? joinExisting(definition)
: noOp(definition);
case MANDATORY -> {
if (!ResourceRegistry.isBound(HIBERNATE_STATUS_KEY))
throw new IllegalStateException("MANDATORY: no active transaction");
yield joinExisting(definition);
}
case NOT_SUPPORTED -> throw new UnsupportedOperationException("NOT_SUPPORTED is not implemented");
case NOT_SUPPORTED -> {
HibernateTxStatus suspended = suspendIfNeeded();
yield noOp(definition, suspended);
}
};
}
private TxStatus beginNew(TxDefinition definition) {
HibernateTxStatus suspended = ResourceRegistry.getOrNull(HIBERNATE_STATUS_KEY, HibernateTxStatus.class);
if (suspended != null) {
ResourceRegistry.unbind(HIBERNATE_STATUS_KEY);
}
return beginNew(definition, suspendIfNeeded());
}
private TxStatus beginNew(TxDefinition definition, HibernateTxStatus suspended) {
// Anything already registered belongs to an enclosing transaction this one is nested
// inside (or suspended over) — see ResourceRegistry#fireSynchronizations.
int synchronizationBaseline = ResourceRegistry.synchronizationCount();
Session s = sf.openSession();
s.beginTransaction();
if (definition.readOnly()) s.setDefaultReadOnly(true);
if (definition.isolation() != TransactionIsolation.DEFAULT) {
s.doWork(connection -> connection.setTransactionIsolation(definition.isolation().level()));
boolean bound = false;
try {
s.beginTransaction();
if (definition.readOnly()) s.setDefaultReadOnly(true);
if (definition.isolation() != TransactionIsolation.DEFAULT) {
s.doWork(connection -> connection.setTransactionIsolation(definition.isolation().level()));
}
HibernateTxStatus status = new HibernateTxStatus(
s,
true,
definition.readOnly(),
suspended,
new HibernateTxStatus.RollbackMarker(),
synchronizationBaseline
);
ResourceRegistry.bind(HIBERNATE_STATUS_KEY, status);
bound = true;
return status;
} catch (RuntimeException e) {
silentClose(s);
throw e;
} catch (Exception e) {
silentClose(s);
throw new TxException(e);
} finally {
if (!bound && suspended != null) {
ResourceRegistry.unbind(HIBERNATE_SUSPENDED_KEY);
ResourceRegistry.bind(HIBERNATE_STATUS_KEY, suspended);
}
}
HibernateTxStatus status = new HibernateTxStatus(
s,
true,
definition.readOnly(),
suspended,
new HibernateTxStatus.RollbackMarker()
);
ResourceRegistry.bind(HIBERNATE_STATUS_KEY, status);
return status;
}
private TxStatus joinExisting(TxDefinition definition) {
@@ -58,31 +84,81 @@ public class HibernateTxManager implements TxManager {
if (definition.readOnly() && !existing.isReadOnly()) {
throw new TxException("Cannot join read-write tx as read-only");
}
// Baseline 0 is never read: a joined status isn't a new transaction, so commit()/rollback()
// hand it straight back to the transaction it joined without firing anything.
return new HibernateTxStatus(
existing.session(),
false,
definition.readOnly(),
null,
existing.rollbackMarker()
existing.rollbackMarker(),
0
);
}
private TxStatus noOp(TxDefinition definition) {
return noOp(definition, null);
}
private TxStatus noOp(TxDefinition definition, HibernateTxStatus suspended) {
return new HibernateTxStatus(null, false, definition.readOnly(), suspended, new HibernateTxStatus.RollbackMarker(), 0);
}
private HibernateTxStatus suspendIfNeeded() {
HibernateTxStatus suspended = ResourceRegistry.getOrNull(HIBERNATE_STATUS_KEY, HibernateTxStatus.class);
if (suspended != null) {
ResourceRegistry.unbind(HIBERNATE_STATUS_KEY);
ResourceRegistry.bind(HIBERNATE_SUSPENDED_KEY, suspended);
}
return suspended;
}
@Override
public void commit(TxStatus status) {
HibernateTxStatus s = (HibernateTxStatus) status;
if (!s.isNewTransaction()) {
resumeIfNeeded(s);
cleanupIfIdle();
return;
}
TxOutcome outcome = null;
try {
if (s.isRollbackOnly() && s.session().getTransaction().isActive()) {
s.session().getTransaction().rollback();
ResourceRegistry.fireSynchronizations(TxOutcome.ROLLED_BACK);
outcome = TxOutcome.ROLLED_BACK;
} else {
// Still inside the transaction, session still bound: a beforeCommit callback can
// write through it and land in this same commit. Throwing from there vetoes the
// commit — see TxSynchronization.
ResourceRegistry.fireBeforeCommit(s.isReadOnly(), s.synchronizationBaseline());
s.session().getTransaction().commit();
ResourceRegistry.fireSynchronizations(TxOutcome.COMMITTED);
outcome = TxOutcome.COMMITTED;
}
} catch (RuntimeException e) {
// A vetoing beforeCommit, or a commit that failed outright: either way nothing was
// committed, so roll back and let the remaining callbacks hear ROLLED_BACK rather than
// nothing at all. A rollback failure here is swallowed deliberately — it would mask
// the exception that actually explains what went wrong, which is the one propagating.
if (s.session().getTransaction().isActive()) {
try {
s.session().getTransaction().rollback();
} catch (RuntimeException suppressed) {
e.addSuppressed(suppressed);
}
}
outcome = TxOutcome.ROLLED_BACK;
throw e;
} finally {
// Order is load-bearing, and getting it wrong is silent: cleanupIfIdle() calls
// ResourceRegistry.cleanup(), which removes the very ThreadLocal list of
// synchronizations still waiting to be fired — firing afterwards saw a freshly
// initialized empty list and dropped every callback on the floor. cleanupAndResume()
// still has to come first, so a synchronization that opens its own transaction
// (Registry#reload() in Pathway does) starts a fresh one instead of joining the
// session that just committed. rollback() below already had this order right.
cleanupAndResume(s);
if (outcome != null) ResourceRegistry.fireSynchronizations(outcome, s.synchronizationBaseline());
cleanupIfIdle();
}
}
@@ -91,24 +167,53 @@ public class HibernateTxManager implements TxManager {
HibernateTxStatus s = (HibernateTxStatus) status;
if (!s.isNewTransaction()) {
s.markRollbackOnly();
resumeIfNeeded(s);
cleanupIfIdle();
return;
}
try {
if (s.session().getTransaction().isActive()) {
s.session().getTransaction().rollback();
}
ResourceRegistry.fireSynchronizations(TxOutcome.ROLLED_BACK);
} finally {
// Same order as commit(): unbind the session first so a callback opening its own
// transaction gets a fresh one, fire before cleanupIfIdle() can drop the list.
cleanupAndResume(s);
ResourceRegistry.fireSynchronizations(TxOutcome.ROLLED_BACK, s.synchronizationBaseline());
cleanupIfIdle();
}
}
private void cleanupAndResume(HibernateTxStatus status) {
ResourceRegistry.unbind(HIBERNATE_STATUS_KEY);
status.session().close();
silentClose(status.session());
resumeIfNeeded(status);
}
private void cleanupIfIdle() {
if (!ResourceRegistry.isBound(HIBERNATE_STATUS_KEY) && !ResourceRegistry.isBound(HIBERNATE_SUSPENDED_KEY)) {
ResourceRegistry.cleanup();
}
}
private void resumeIfNeeded(HibernateTxStatus status) {
HibernateTxStatus suspended = status.suspended();
if (suspended == null) {
suspended = ResourceRegistry.getOrNull(HIBERNATE_SUSPENDED_KEY, HibernateTxStatus.class);
}
if (suspended != null) {
ResourceRegistry.unbind(HIBERNATE_SUSPENDED_KEY);
ResourceRegistry.bind(HIBERNATE_STATUS_KEY, suspended);
}
}
private void silentClose(Session session) {
if (session == null) {
return;
}
try {
session.close();
} catch (Exception ignored) {
}
}
}
flash-extensions/flash-ext-data-hibernate/src/main/java/dev/relism/flash/ext/data/hibernate/HibernateTxStatus.java
+10 -1
View File
@@ -13,19 +13,22 @@ class HibernateTxStatus implements TxStatus {
private final boolean readOnly;
private final HibernateTxStatus suspended;
private final RollbackMarker rollbackMarker;
private final int synchronizationBaseline;
HibernateTxStatus(
Session session,
boolean newTransaction,
boolean readOnly,
HibernateTxStatus suspended,
RollbackMarker rollbackMarker
RollbackMarker rollbackMarker,
int synchronizationBaseline
) {
this.session = session;
this.newTransaction = newTransaction;
this.readOnly = readOnly;
this.suspended = suspended;
this.rollbackMarker = rollbackMarker;
this.synchronizationBaseline = synchronizationBaseline;
}
@Override public boolean isNewTransaction() { return newTransaction; }
@@ -35,10 +38,16 @@ class HibernateTxStatus implements TxStatus {
@Override
public <R> R resource(Class<R> type) {
if (session == null) {
throw new IllegalStateException("No session bound to this transaction status");
}
return type.cast(session);
}
Session session() { return session; }
HibernateTxStatus suspended() { return suspended; }
RollbackMarker rollbackMarker() { return rollbackMarker; }
/** Index into {@code ResourceRegistry}'s synchronization list where this transaction's own callbacks start. */
int synchronizationBaseline() { return synchronizationBaseline; }
}
flash-extensions/flash-ext-data-hibernate/src/test/java/dev/relism/flash/ext/data/hibernate/HibernateTxManagerSynchronizationTest.java
+258
View File
@@ -0,0 +1,258 @@
package dev.relism.flash.ext.data.hibernate;
import dev.relism.flash.ext.data.core.*;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import java.util.ArrayList;
import java.util.List;
import static org.junit.jupiter.api.Assertions.*;
/**
* Transaction synchronization semantics — the {@code beforeCommit}/{@code afterCommit}/
* {@code afterRollback} callbacks {@code Data#afterCommit} exposes, and the contract callers build
* on: "my callback runs once, for my transaction, on the right side of the commit".
*
* <p>None of this was covered before, and the gap was not academic: {@link #afterCommit_fires_on_commit}
* failed against the original {@code commit()}, which fired synchronizations only after
* {@code cleanupIfIdle()} had already dropped the ThreadLocal list holding them — so every callback
* was silently discarded, on every commit, with no error and no log. Downstream that meant an admin
* write landing in Postgres while the in-memory cache it was supposed to refresh never heard about
* it until the process restarted.
*/
class HibernateTxManagerSynchronizationTest {
static SessionFactory sf;
static HibernateTxManager manager;
@BeforeAll
static void setup() {
sf = TestHelper.buildSessionFactory();
manager = new HibernateTxManager(sf);
}
@AfterAll
static void teardown() {
if (sf != null) {
sf.close();
}
}
@AfterEach
void cleanup() {
ResourceRegistry.clear();
}
/** Records which callbacks ran, in order — order is part of the contract, not just the fact they ran. */
private static final class Recorder implements TxSynchronization {
final List<String> calls = new ArrayList<>();
@Override public void beforeCommit(boolean readOnly) { calls.add("beforeCommit:" + readOnly); }
@Override public void afterCommit() { calls.add("afterCommit"); }
@Override public void afterRollback() { calls.add("afterRollback"); }
@Override public void afterCompletion(TxOutcome outcome) { calls.add("afterCompletion:" + outcome); }
}
private static final List<String> COMMITTED = List.of("beforeCommit:false", "afterCommit", "afterCompletion:COMMITTED");
private static final List<String> ROLLED_BACK = List.of("afterRollback", "afterCompletion:ROLLED_BACK");
@Test
void afterCommit_fires_on_commit() {
Recorder recorder = new Recorder();
TxStatus tx = manager.begin(TxDefinition.DEFAULTS);
ResourceRegistry.addSynchronization(recorder);
manager.commit(tx);
assertEquals(COMMITTED, recorder.calls);
}
@Test
void afterRollback_fires_on_rollback() {
Recorder recorder = new Recorder();
TxStatus tx = manager.begin(TxDefinition.DEFAULTS);
ResourceRegistry.addSynchronization(recorder);
manager.rollback(tx);
assertEquals(ROLLED_BACK, recorder.calls);
}
/** A commit() call on a tx already marked rollback-only really rolls back — and has no commit to precede. */
@Test
void commit_of_a_rollback_only_tx_rolls_back_without_running_beforeCommit() {
Recorder recorder = new Recorder();
TxStatus tx = manager.begin(TxDefinition.DEFAULTS);
tx.markRollbackOnly();
ResourceRegistry.addSynchronization(recorder);
manager.commit(tx);
assertEquals(ROLLED_BACK, recorder.calls);
}
/** beforeCommit runs inside the transaction: session still bound, transaction still active. */
@Test
void beforeCommit_runs_while_the_transaction_is_still_active() {
List<Boolean> stillActive = new ArrayList<>();
List<Session> sessionSeen = new ArrayList<>();
TxStatus tx = manager.begin(TxDefinition.DEFAULTS);
Session session = tx.resource(Session.class);
ResourceRegistry.addSynchronization(new TxSynchronization() {
@Override
public void beforeCommit(boolean readOnly) {
stillActive.add(session.getTransaction().isActive());
// MANDATORY only succeeds while a transaction is bound — proof this runs inside it.
TxStatus joined = manager.begin(TxDefinition.DEFAULTS.withPropagation(TransactionPropagation.MANDATORY));
sessionSeen.add(joined.resource(Session.class));
manager.commit(joined);
}
});
manager.commit(tx);
assertEquals(List.of(true), stillActive, "the transaction must not have committed yet");
assertSame(session, sessionSeen.get(0), "the same session must still be bound, so writes land in this commit");
}
@Test
void beforeCommit_is_told_whether_the_transaction_is_read_only() {
Recorder readWrite = new Recorder();
TxStatus rw = manager.begin(TxDefinition.DEFAULTS);
ResourceRegistry.addSynchronization(readWrite);
manager.commit(rw);
Recorder readOnly = new Recorder();
TxStatus ro = manager.begin(TxDefinition.DEFAULTS.asReadOnly());
ResourceRegistry.addSynchronization(readOnly);
manager.commit(ro);
assertEquals("beforeCommit:false", readWrite.calls.get(0));
assertEquals("beforeCommit:true", readOnly.calls.get(0));
}
/** Throwing from beforeCommit is a veto: no commit, the rollback callbacks run, the exception propagates. */
@Test
void a_throwing_beforeCommit_vetoes_the_commit() {
Recorder recorder = new Recorder();
TxStatus tx = manager.begin(TxDefinition.DEFAULTS);
Session session = tx.resource(Session.class);
ResourceRegistry.addSynchronization(new TxSynchronization() {
@Override public void beforeCommit(boolean readOnly) { throw new IllegalStateException("veto"); }
});
ResourceRegistry.addSynchronization(recorder);
IllegalStateException thrown = assertThrows(IllegalStateException.class, () -> manager.commit(tx));
assertEquals("veto", thrown.getMessage());
assertFalse(session.getTransaction().isActive(), "the vetoed transaction must be rolled back, not left open");
assertEquals(ROLLED_BACK, recorder.calls, "the surviving callbacks must hear ROLLED_BACK, not silence");
}
/**
* The load-bearing ordering detail: post-completion callbacks run <em>after</em> the committed
* session is unbound, so a callback that opens its own transaction (a cache reload, an outbox
* drain) gets a fresh one instead of silently joining the transaction that just committed.
*/
@Test
void a_synchronization_may_open_its_own_transaction() {
List<Session> sessionsSeen = new ArrayList<>();
List<Boolean> wasNewTransaction = new ArrayList<>();
TxStatus outer = manager.begin(TxDefinition.DEFAULTS);
Session committedSession = outer.resource(Session.class);
ResourceRegistry.addSynchronization(new TxSynchronization() {
@Override
public void afterCommit() {
TxStatus own = manager.begin(TxDefinition.DEFAULTS);
sessionsSeen.add(own.resource(Session.class));
wasNewTransaction.add(own.isNewTransaction());
manager.commit(own);
}
});
manager.commit(outer);
assertEquals(1, sessionsSeen.size(), "the callback must have run");
assertEquals(List.of(true), wasNewTransaction, "must start its own transaction, not join the committed one");
assertNotSame(committedSession, sessionsSeen.get(0));
}
/** A joined (REQUIRED) inner commit is not a real commit — callbacks wait for the outermost one. */
@Test
void a_joined_commit_defers_synchronizations_to_the_outermost_commit() {
Recorder recorder = new Recorder();
TxStatus outer = manager.begin(TxDefinition.DEFAULTS);
TxStatus inner = manager.begin(TxDefinition.DEFAULTS.withPropagation(TransactionPropagation.REQUIRED));
ResourceRegistry.addSynchronization(recorder);
manager.commit(inner);
assertEquals(List.of(), recorder.calls, "the joined commit did not commit anything yet");
manager.commit(outer);
assertEquals(COMMITTED, recorder.calls);
}
/** Each callback belongs to one transaction: a second transaction must not re-run the first's. */
@Test
void synchronizations_do_not_leak_into_the_next_transaction() {
Recorder recorder = new Recorder();
TxStatus first = manager.begin(TxDefinition.DEFAULTS);
ResourceRegistry.addSynchronization(recorder);
manager.commit(first);
recorder.calls.clear();
TxStatus second = manager.begin(TxDefinition.DEFAULTS);
manager.commit(second);
assertEquals(List.of(), recorder.calls);
}
/**
* A REQUIRES_NEW inner transaction suspends the outer one; committing the inner must not drag
* the still-pending outer transaction's callbacks along with it. They belong to a transaction
* that has not committed — and may yet roll back, in which case firing {@code afterCommit} for
* it would be a straight lie.
*/
@Test
void a_requires_new_commit_leaves_the_suspended_transactions_synchronizations_alone() {
Recorder outerSync = new Recorder();
Recorder innerSync = new Recorder();
TxStatus outer = manager.begin(TxDefinition.DEFAULTS);
ResourceRegistry.addSynchronization(outerSync);
TxStatus inner = manager.begin(TxDefinition.DEFAULTS.withPropagation(TransactionPropagation.REQUIRES_NEW));
ResourceRegistry.addSynchronization(innerSync);
manager.commit(inner);
assertEquals(COMMITTED, innerSync.calls);
assertEquals(List.of(), outerSync.calls, "the outer transaction has not committed yet");
manager.commit(outer);
assertEquals(COMMITTED, outerSync.calls);
}
/** A rolled-back inner REQUIRES_NEW must not fire the outer's callbacks either — same reason, opposite outcome. */
@Test
void a_requires_new_rollback_leaves_the_suspended_transactions_synchronizations_alone() {
Recorder outerSync = new Recorder();
TxStatus outer = manager.begin(TxDefinition.DEFAULTS);
ResourceRegistry.addSynchronization(outerSync);
TxStatus inner = manager.begin(TxDefinition.DEFAULTS.withPropagation(TransactionPropagation.REQUIRES_NEW));
manager.rollback(inner);
assertEquals(List.of(), outerSync.calls, "the outer transaction is still open");
manager.commit(outer);
assertEquals(COMMITTED, outerSync.calls);
}
}
flash-extensions/flash-ext-data-hibernate/src/test/java/dev/relism/flash/ext/data/hibernate/HibernateTxManagerTest.java
+40
View File
@@ -65,4 +65,44 @@ class HibernateTxManagerTest {
assertTrue(outer.isRollbackOnly());
manager.rollback(outer);
}
/** SUPPORTS without an active transaction yields a sessionless status: not a transaction, no session to hand out. */
@Test
void supports_without_active_transaction_is_a_sessionless_no_op() {
TxStatus s = manager.begin(TxDefinition.DEFAULTS.withPropagation(TransactionPropagation.SUPPORTS));
assertFalse(s.isNewTransaction());
assertThrows(IllegalStateException.class, () -> s.resource(Session.class));
assertDoesNotThrow(() -> manager.commit(s));
}
@Test
void not_supported_suspends_the_active_transaction_and_restores_it_on_commit() {
TxStatus outer = manager.begin(TxDefinition.DEFAULTS);
Session outerSession = outer.resource(Session.class);
TxStatus suspended = manager.begin(TxDefinition.DEFAULTS.withPropagation(TransactionPropagation.NOT_SUPPORTED));
assertFalse(suspended.isNewTransaction());
assertThrows(IllegalStateException.class, () -> suspended.resource(Session.class));
manager.commit(suspended);
TxStatus rejoined = manager.begin(TxDefinition.DEFAULTS.withPropagation(TransactionPropagation.REQUIRED));
assertSame(outerSession, rejoined.resource(Session.class), "the suspended transaction must be back");
manager.rollback(outer);
}
@Test
void mandatory_without_active_transaction_is_rejected() {
assertThrows(IllegalStateException.class,
() -> manager.begin(TxDefinition.DEFAULTS.withPropagation(TransactionPropagation.MANDATORY)));
}
/** A read-only join onto a read-write transaction is a contract violation, not a silent downgrade. */
@Test
void read_only_cannot_join_a_read_write_transaction() {
TxStatus outer = manager.begin(TxDefinition.DEFAULTS);
assertThrows(TxException.class,
() -> manager.begin(TxDefinition.DEFAULTS.withPropagation(TransactionPropagation.REQUIRED).asReadOnly()));
manager.rollback(outer);
}
}
flash-extensions/flash-ext-data-jdbc/docs/README.md
+101
View File
@@ -0,0 +1,101 @@
# flash-ext-data-jdbc
JDBC backend for `flash-ext-data-core`.
## Purpose
This module implements `TxManager` on top of a `DataSource` and provides a raw-SQL repository base
class.
## How to use it
### 1. Create the manager
```java
DataSource dataSource = ...;
JdbcTxManager txManager = new JdbcTxManager(dataSource);
DataExtension extension = new DataExtension(txManager);
```
### 2. Install the extension in Flash
As with Hibernate, `DataExtension` registers `Tx` in the `FlashContext` and enables
`@Transactional` on class-based handlers.
### 3. Define a repository
```java
public final class UserRepository extends JdbcRepository<User, Long> {
public UserRepository(Tx tx) {
super(tx, "users", "id");
}
@Override
protected User mapRow(ResultSet rs) throws SQLException {
return new User(rs.getLong("id"), rs.getString("name"));
}
}
```
Here too you can expose reusable `Spec`s and compose queries from the service layer:
```java
public final class UserRepository extends JdbcRepository<User, Long> {
public static final SpecBuilder.FieldSpec<User, String> EMAIL = SpecBuilder.field("email");
public UserRepository(Tx tx) {
super(tx, "users", "id");
}
}
```
Saving and updating need an explicit binding:
```java
@Override
protected String insertSql() {
return "insert into users(name) values(?)";
}
@Override
protected void bindInsert(PreparedStatement ps, User entity) throws SQLException {
ps.setString(1, entity.name());
}
```
## How it works underneath
- The current transaction exposes a `Connection`.
- `Tx.resource(Connection.class)` retrieves the connection bound to the thread.
- `REQUIRES_NEW` suspends the active connection and opens a new one.
- `NOT_SUPPORTED` suspends the context and continues without a transaction.
## Repository base class
`JdbcRepository` provides:
- `select` queries through `queryOne`, `queryMany`
- mutations through `mutate`
- persistence through `doSave`, `doUpdate`
- paging through `doFindPage`
- bulk `deleteAll(Spec<T>)`
- raw helpers `queryOne(...)`, `queryMany(...)`, `mutate(...)`
Concrete repositories only have to translate between `ResultSet` and the domain.
## Transactional semantics
- `REQUIRED`: join, or open a new transaction.
- `REQUIRES_NEW`: suspend the current context.
- `SUPPORTS`: join if a transaction exists, otherwise no-op.
- `NOT_SUPPORTED`: suspend and continue without a transaction.
- `MANDATORY`: fail if there is no transaction.
## Notes
- The `Connection` is closed when a new transaction ends.
- Synchronizations registered in a transaction fire when *that* transaction completes:
`beforeCommit` while it is still active and the `Connection` still bound, the post-completion
hooks once it is unbound. See `flash-ext-data-core/docs/README.md` for the full contract.
- If a repository uses `doDelete(T)`, the default behaviour is unsupported: use `deleteById` or
override it.
flash-extensions/flash-ext-data-jdbc/pom.xml
+1 -1
View File
@@ -7,7 +7,7 @@
<parent>
<groupId>dev.relism</groupId>
<artifactId>flash-extensions</artifactId>
<version>2.0.0</version>
<version>2.1.0-SNAPSHOT</version>
</parent>
<artifactId>flash-ext-data-jdbc</artifactId>
flash-extensions/flash-ext-data-jdbc/src/main/java/dev/relism/flash/ext/data/jdbc/JdbcRepository.java
+95 -63
View File
@@ -3,87 +3,99 @@ package dev.relism.flash.ext.data.jdbc;
import dev.relism.flash.ext.data.core.*;
import java.sql.*;
import java.util.*;
import java.util.stream.Collectors;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
public abstract class JdbcRepository<T, ID> extends Repository<T, ID> {
private final String table;
private final String idColumn;
protected JdbcRepository(String table, String idColumn) {
this.table = table;
protected JdbcRepository(Tx tx, String table, String idColumn) {
super(tx);
this.table = table;
this.idColumn = idColumn;
}
protected Connection connection() {
return Tx.resource(Connection.class);
return tx().resource(Connection.class);
}
// ── Subclass contract ─────────────────────────────────────────────────────
protected abstract T mapRow(ResultSet rs) throws SQLException;
protected abstract void bindInsert(PreparedStatement ps, T entity) throws SQLException;
protected abstract void bindUpdate(PreparedStatement ps, T entity) throws SQLException;
protected abstract T mapRow(ResultSet rs) throws SQLException;
protected abstract void bindInsert(PreparedStatement ps, T entity) throws SQLException;
protected abstract void bindUpdate(PreparedStatement ps, T entity) throws SQLException;
protected abstract String insertSql();
protected abstract String updateSql();
// ── Repository abstract impl ──────────────────────────────────────────────
@Override
protected Optional<T> doFindById(ID id) {
return queryOne("select * from " + table + " where " + idColumn + " = ?",
ps -> ps.setObject(1, id));
return queryOne("select * from " + table + " where " + idColumn + " = ?", ps -> ps.setObject(1, id));
}
@Override
protected List<T> doFindAll() {
return queryMany("select * from " + table, ps -> {});
}
protected List<T> doFind(Query<T> query) {
JdbcSpecContext ctx = new JdbcSpecContext();
String where = query.spec() != null ? " where " + query.spec().toFragment(ctx) : "";
String order = query.sort() != null && query.sort().isSorted() ? " order by " + orderClause(query.sort()) : "";
String paging = query.isPaged() ? " limit ? offset ?" : "";
@Override
protected List<T> doFindAll(int page, int size) {
return queryMany("select * from " + table + " limit ? offset ?", ps -> {
ps.setInt(1, size);
ps.setInt(2, page * size);
return queryMany("select * from " + table + where + order + paging, ps -> {
if (query.isPaged()) {
ctx.applyParameters(ps);
int base = ctx.size();
ps.setInt(base + 1, query.size());
ps.setInt(base + 2, query.page() * query.size());
return;
}
ctx.applyParameters(ps);
});
}
@Override
protected List<T> doFindAll(Sort sort) {
return queryMany("select * from " + table + orderClause(sort), ps -> {});
protected Optional<T> doFindOne(Spec<T> spec) {
return doFind(Query.<T>all().where(spec).page(0, 1)).stream().findFirst();
}
@Override
protected List<T> doFindAll(int page, int size, Sort sort) {
return queryMany("select * from " + table + orderClause(sort) + " limit ? offset ?",
ps -> {
ps.setInt(1, size);
ps.setInt(2, page * size);
});
protected Page<T> doFindPage(Query<T> query) {
if (!query.isPaged()) {
throw new IllegalArgumentException("Paged query requires page and size");
}
long total = countWhere(query.spec());
List<T> content = doFind(query);
return new Page<>(content, query.page(), query.size(), total);
}
@Override
protected Page<T> doFindPage(int page, int size) {
long total = doCount();
return new Page<>(doFindAll(page, size), page, size, total);
protected boolean doExistsById(ID id) {
return queryOne("select 1 from " + table + " where " + idColumn + " = ?", ps -> ps.setObject(1, id), rs -> rs.getInt(1)).isPresent();
}
@Override
protected Page<T> doFindPage(int page, int size, Sort sort) {
long total = doCount();
return new Page<>(doFindAll(page, size, sort), page, size, total);
protected long doCount() {
return queryOne("select count(*) from " + table, ps -> {}, rs -> rs.getLong(1)).orElse(0L);
}
@Override
protected T doSave(T entity) {
try (PreparedStatement ps = connection().prepareStatement(
insertSql(), Statement.RETURN_GENERATED_KEYS)) {
try (PreparedStatement ps = connection().prepareStatement(insertSql(), Statement.RETURN_GENERATED_KEYS)) {
bindInsert(ps, entity);
ps.executeUpdate();
applyGeneratedKey(ps, entity);
return entity;
} catch (SQLException e) { throw new TxException(e); }
} catch (SQLException e) {
throw new TxException(e);
}
}
@Override
protected List<T> doSaveAll(Iterable<T> entities) {
List<T> saved = new ArrayList<>();
for (T entity : entities) {
saved.add(doSave(entity));
}
return saved;
}
@Override
@@ -92,7 +104,9 @@ public abstract class JdbcRepository<T, ID> extends Repository<T, ID> {
bindUpdate(ps, entity);
ps.executeUpdate();
return entity;
} catch (SQLException e) { throw new TxException(e); }
} catch (SQLException e) {
throw new TxException(e);
}
}
@Override
@@ -102,38 +116,35 @@ public abstract class JdbcRepository<T, ID> extends Repository<T, ID> {
@Override
protected void doDeleteById(ID id) {
mutate("delete from " + table + " where " + idColumn + " = ?",
ps -> ps.setObject(1, id));
mutate("delete from " + table + " where " + idColumn + " = ?", ps -> ps.setObject(1, id));
}
@Override
protected boolean doExistsById(ID id) {
return queryOne("select 1 from " + table + " where " + idColumn + " = ?",
ps -> ps.setObject(1, id),
rs -> rs.getInt(1)).isPresent();
protected int doDeleteAll(Spec<T> spec) {
JdbcSpecContext ctx = new JdbcSpecContext();
String where = " where " + spec.toFragment(ctx);
return mutate("delete from " + table + where, ctx::applyParameters);
}
@Override
protected long doCount() {
return queryOne("select count(*) from " + table, ps -> {},
rs -> rs.getLong(1)).orElse(0L);
protected int doUpdateAll(Spec<T> spec, T patch) {
throw new UnsupportedOperationException("Override doUpdateAll() for bulk UPDATE support");
}
// ── Query helpers ─────────────────────────────────────────────────────────
protected Optional<T> queryOne(String sql, SqlBinder params) {
List<T> r = queryMany(sql, params);
return r.isEmpty() ? Optional.empty() : Optional.of(r.get(0));
}
protected <R> Optional<R> queryOne(String sql, SqlBinder params,
SqlMapper<R> mapper) {
protected <R> Optional<R> queryOne(String sql, SqlBinder params, SqlMapper<R> mapper) {
try (PreparedStatement ps = connection().prepareStatement(sql)) {
params.bind(ps);
try (ResultSet rs = ps.executeQuery()) {
return rs.next() ? Optional.of(mapper.map(rs)) : Optional.empty();
}
} catch (SQLException e) { throw new TxException(e); }
} catch (SQLException e) {
throw new TxException(e);
}
}
protected List<T> queryMany(String sql, SqlBinder params) {
@@ -144,26 +155,47 @@ public abstract class JdbcRepository<T, ID> extends Repository<T, ID> {
while (rs.next()) results.add(mapRow(rs));
return results;
}
} catch (SQLException e) { throw new TxException(e); }
} catch (SQLException e) {
throw new TxException(e);
}
}
protected int mutate(String sql, SqlBinder params) {
try (PreparedStatement ps = connection().prepareStatement(sql)) {
params.bind(ps);
return ps.executeUpdate();
} catch (SQLException e) { throw new TxException(e); }
} catch (SQLException e) {
throw new TxException(e);
}
}
protected void applyGeneratedKey(PreparedStatement ps, T entity) throws SQLException {
// override when entity has a generated PK
}
private String orderClause(Sort sort) {
return " order by " + sort.columns().stream()
.map(c -> c.column() + (c.asc() ? " ASC" : " DESC"))
.collect(Collectors.joining(", "));
protected Class<T> entityType() {
return null;
}
@FunctionalInterface public interface SqlBinder { void bind(PreparedStatement ps) throws SQLException; }
@FunctionalInterface public interface SqlMapper<R> { R map(ResultSet rs) throws SQLException; }
}
private long countWhere(Spec<T> spec) {
JdbcSpecContext ctx = new JdbcSpecContext();
String where = spec != null ? " where " + spec.toFragment(ctx) : "";
return queryOne("select count(*) from " + table + where, ctx::applyParameters, rs -> rs.getLong(1)).orElse(0L);
}
private String orderClause(Sort sort) {
return sort.columns().stream()
.map(c -> c.column() + (c.asc() ? " ASC" : " DESC"))
.collect(java.util.stream.Collectors.joining(", "));
}
@FunctionalInterface
public interface SqlBinder {
void bind(PreparedStatement ps) throws SQLException;
}
@FunctionalInterface
public interface SqlMapper<R> {
R map(ResultSet rs) throws SQLException;
}
}
flash-extensions/flash-ext-data-jdbc/src/main/java/dev/relism/flash/ext/data/jdbc/JdbcSpecContext.java
+28
View File
@@ -0,0 +1,28 @@
package dev.relism.flash.ext.data.jdbc;
import dev.relism.flash.ext.data.core.SpecContext;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
final class JdbcSpecContext implements SpecContext {
private final List<Object> params = new ArrayList<>();
@Override
public String bind(Object value) {
params.add(value);
return "?";
}
void applyParameters(PreparedStatement ps) throws SQLException {
for (int i = 0; i < params.size(); i++) {
ps.setObject(i + 1, params.get(i));
}
}
int size() {
return params.size();
}
}
flash-extensions/flash-ext-data-jdbc/src/main/java/dev/relism/flash/ext/data/jdbc/JdbcTxManager.java
+114 -15
View File
@@ -9,6 +9,7 @@ import java.util.Objects;
public class JdbcTxManager implements TxManager {
private static final TxResourceKey JDBC_STATUS_KEY = TxResourceKey.of("jdbc.tx.status");
private static final TxResourceKey JDBC_SUSPENDED_KEY = TxResourceKey.of("jdbc.tx.suspended");
private final DataSource ds;
@@ -23,22 +24,30 @@ public class JdbcTxManager implements TxManager {
? joinExisting(definition)
: beginNew(definition);
case REQUIRES_NEW -> beginNew(definition);
case SUPPORTS -> ResourceRegistry.isBound(JDBC_STATUS_KEY)
? joinExisting(definition)
: noOp(definition);
case MANDATORY -> {
if (!ResourceRegistry.isBound(JDBC_STATUS_KEY))
throw new IllegalStateException("MANDATORY: no active transaction");
yield joinExisting(definition);
}
case NOT_SUPPORTED -> throw new UnsupportedOperationException("NOT_SUPPORTED is not implemented");
case NOT_SUPPORTED -> {
JdbcTxStatus suspended = suspendIfNeeded();
yield noOp(definition, suspended);
}
};
}
private TxStatus beginNew(TxDefinition definition) {
Connection conn = null;
// Anything already registered belongs to an enclosing transaction this one is nested
// inside (or suspended over) — see ResourceRegistry#fireSynchronizations.
int synchronizationBaseline = ResourceRegistry.synchronizationCount();
JdbcTxStatus suspended = suspendIfNeeded();
boolean bound = false;
try {
JdbcTxStatus suspended = ResourceRegistry.getOrNull(JDBC_STATUS_KEY, JdbcTxStatus.class);
if (suspended != null) {
ResourceRegistry.unbind(JDBC_STATUS_KEY);
}
Connection conn = ds.getConnection();
conn = ds.getConnection();
conn.setAutoCommit(false);
if (definition.readOnly()) conn.setReadOnly(true);
if (definition.isolation() != TransactionIsolation.DEFAULT) {
@@ -49,12 +58,20 @@ public class JdbcTxManager implements TxManager {
true,
definition.readOnly(),
suspended,
new JdbcTxStatus.RollbackMarker()
new JdbcTxStatus.RollbackMarker(),
synchronizationBaseline
);
ResourceRegistry.bind(JDBC_STATUS_KEY, status);
bound = true;
return status;
} catch (SQLException e) {
silentClose(conn);
throw new TxException(e);
} finally {
if (!bound && suspended != null) {
ResourceRegistry.unbind(JDBC_SUSPENDED_KEY);
ResourceRegistry.bind(JDBC_STATUS_KEY, suspended);
}
}
}
@@ -63,62 +80,144 @@ public class JdbcTxManager implements TxManager {
if (definition.readOnly() && !existing.isReadOnly()) {
throw new TxException("Cannot join read-write tx as read-only");
}
// Baseline 0 is never read: a joined status isn't a new transaction, so commit()/rollback()
// hand it straight back to the transaction it joined without firing anything.
return new JdbcTxStatus(
existing.connection(),
false,
definition.readOnly(),
null,
existing.rollbackMarker()
existing.rollbackMarker(),
0
);
}
private TxStatus noOp(TxDefinition definition) {
return noOp(definition, null);
}
private TxStatus noOp(TxDefinition definition, JdbcTxStatus suspended) {
return new JdbcTxStatus(null, false, definition.readOnly(), suspended, new JdbcTxStatus.RollbackMarker(), 0);
}
private JdbcTxStatus suspendIfNeeded() {
JdbcTxStatus suspended = ResourceRegistry.getOrNull(JDBC_STATUS_KEY, JdbcTxStatus.class);
if (suspended != null) {
ResourceRegistry.unbind(JDBC_STATUS_KEY);
ResourceRegistry.bind(JDBC_SUSPENDED_KEY, suspended);
}
return suspended;
}
@Override
public void commit(TxStatus status) {
JdbcTxStatus s = (JdbcTxStatus) status;
if (!s.isNewTransaction()) {
resumeIfNeeded(s);
cleanupIfIdle();
return;
}
TxOutcome outcome = null;
try {
if (s.isRollbackOnly()) {
s.connection().rollback();
ResourceRegistry.fireSynchronizations(TxOutcome.ROLLED_BACK);
return;
outcome = TxOutcome.ROLLED_BACK;
} else {
// Still inside the transaction, connection still bound: a beforeCommit callback
// can write through it and land in this same commit. Throwing from there vetoes
// the commit — see TxSynchronization.
ResourceRegistry.fireBeforeCommit(s.isReadOnly(), s.synchronizationBaseline());
s.connection().commit();
outcome = TxOutcome.COMMITTED;
}
s.connection().commit();
ResourceRegistry.fireSynchronizations(TxOutcome.COMMITTED);
} catch (SQLException e) {
throw new TxException(e);
TxException wrapped = new TxException(e);
outcome = rollbackAfterFailedCommit(s, wrapped);
throw wrapped;
} catch (RuntimeException e) {
outcome = rollbackAfterFailedCommit(s, e);
throw e;
} finally {
// Unbind the connection before firing, so a callback that opens its own transaction
// gets a fresh one instead of joining the connection that just committed — and fire
// before cleanupIfIdle(), whose ResourceRegistry.cleanup() drops the pending list.
cleanupAndResume(s);
if (outcome != null) ResourceRegistry.fireSynchronizations(outcome, s.synchronizationBaseline());
cleanupIfIdle();
}
}
/**
* Nothing was committed — a vetoing {@code beforeCommit}, or a commit that failed outright —
* so undo whatever the transaction had done and report {@code ROLLED_BACK} to the callbacks
* still queued behind it. A failure to roll back is attached to the exception already on its
* way out rather than replacing it: that one explains what actually went wrong.
*/
private static TxOutcome rollbackAfterFailedCommit(JdbcTxStatus s, Throwable propagating) {
try {
s.connection().rollback();
} catch (SQLException suppressed) {
propagating.addSuppressed(suppressed);
}
return TxOutcome.ROLLED_BACK;
}
@Override
public void rollback(TxStatus status) {
JdbcTxStatus s = (JdbcTxStatus) status;
if (!s.isNewTransaction()) {
s.markRollbackOnly();
resumeIfNeeded(s);
cleanupIfIdle();
return;
}
try {
s.connection().rollback();
ResourceRegistry.fireSynchronizations(TxOutcome.ROLLED_BACK);
} catch (SQLException e) {
throw new TxException(e);
} finally {
// Same order as commit() above, for the same two reasons.
cleanupAndResume(s);
ResourceRegistry.fireSynchronizations(TxOutcome.ROLLED_BACK, s.synchronizationBaseline());
cleanupIfIdle();
}
}
private void cleanupAndResume(JdbcTxStatus status) {
ResourceRegistry.unbind(JDBC_STATUS_KEY);
try {
status.connection().close();
if (status.connection() != null) {
status.connection().close();
}
} catch (SQLException ignored) {
}
resumeIfNeeded(status);
}
private void cleanupIfIdle() {
if (!ResourceRegistry.isBound(JDBC_STATUS_KEY) && !ResourceRegistry.isBound(JDBC_SUSPENDED_KEY)) {
ResourceRegistry.cleanup();
}
}
private void resumeIfNeeded(JdbcTxStatus status) {
JdbcTxStatus suspended = status.suspended();
if (suspended == null) {
suspended = ResourceRegistry.getOrNull(JDBC_SUSPENDED_KEY, JdbcTxStatus.class);
}
if (suspended != null) {
ResourceRegistry.unbind(JDBC_SUSPENDED_KEY);
ResourceRegistry.bind(JDBC_STATUS_KEY, suspended);
}
}
private void silentClose(Connection connection) {
if (connection == null) {
return;
}
try {
connection.close();
} catch (SQLException ignored) {
}
}
}
flash-extensions/flash-ext-data-jdbc/src/main/java/dev/relism/flash/ext/data/jdbc/JdbcTxStatus.java
+16 -3
View File
@@ -3,7 +3,6 @@ package dev.relism.flash.ext.data.jdbc;
import dev.relism.flash.ext.data.core.TxStatus;
import java.sql.Connection;
import java.util.Objects;
class JdbcTxStatus implements TxStatus {
static final class RollbackMarker {
@@ -15,19 +14,27 @@ class JdbcTxStatus implements TxStatus {
private final boolean readOnly;
private final JdbcTxStatus suspended;
private final RollbackMarker rollbackMarker;
private final int synchronizationBaseline;
// No requireNonNull on the connection: a SUPPORTS-without-a-transaction or a NOT_SUPPORTED
// status is deliberately connectionless (see JdbcTxManager#noOp), and rejecting null here
// turned both of those propagations into an NPE at begin() — the Hibernate manager has
// always allowed it. resource() reports the real mistake, asking a connectionless status for
// its connection, where it can name it.
JdbcTxStatus(
Connection connection,
boolean newTransaction,
boolean readOnly,
JdbcTxStatus suspended,
RollbackMarker rollbackMarker
RollbackMarker rollbackMarker,
int synchronizationBaseline
) {
this.connection = Objects.requireNonNull(connection);
this.connection = connection;
this.newTransaction = newTransaction;
this.readOnly = readOnly;
this.suspended = suspended;
this.rollbackMarker = rollbackMarker;
this.synchronizationBaseline = synchronizationBaseline;
}
@Override public boolean isNewTransaction() { return newTransaction; }
@@ -37,10 +44,16 @@ class JdbcTxStatus implements TxStatus {
@Override
public <R> R resource(Class<R> type) {
if (connection == null) {
throw new IllegalStateException("No connection bound to this transaction status");
}
return type.cast(connection);
}
Connection connection() { return connection; }
JdbcTxStatus suspended() { return suspended; }
RollbackMarker rollbackMarker() { return rollbackMarker; }
/** Index into {@code ResourceRegistry}'s synchronization list where this transaction's own callbacks start. */
int synchronizationBaseline() { return synchronizationBaseline; }
}
flash-extensions/flash-ext-data-jdbc/src/test/java/dev/relism/flash/ext/data/jdbc/JdbcTxManagerSynchronizationTest.java
+216
View File
@@ -0,0 +1,216 @@
package dev.relism.flash.ext.data.jdbc;
import dev.relism.flash.ext.data.core.*;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Test;
import java.sql.Connection;
import java.util.ArrayList;
import java.util.List;
import static org.junit.jupiter.api.Assertions.*;
/**
* Transaction synchronization semantics for the JDBC manager — the same contract {@code
* HibernateTxManagerSynchronizationTest} pins down for the Hibernate one, kept deliberately
* parallel: the two managers are interchangeable behind {@code TxManager}, so a callback must not
* observe a different lifecycle depending on which one is installed.
*/
class JdbcTxManagerSynchronizationTest {
private final JdbcTxManager manager = new JdbcTxManager(new TestDataSource());
@AfterEach
void cleanup() {
ResourceRegistry.clear();
}
/** Records which callbacks ran, in order — order is part of the contract, not just the fact they ran. */
private static final class Recorder implements TxSynchronization {
final List<String> calls = new ArrayList<>();
@Override public void beforeCommit(boolean readOnly) { calls.add("beforeCommit:" + readOnly); }
@Override public void afterCommit() { calls.add("afterCommit"); }
@Override public void afterRollback() { calls.add("afterRollback"); }
@Override public void afterCompletion(TxOutcome outcome) { calls.add("afterCompletion:" + outcome); }
}
private static final List<String> COMMITTED = List.of("beforeCommit:false", "afterCommit", "afterCompletion:COMMITTED");
private static final List<String> ROLLED_BACK = List.of("afterRollback", "afterCompletion:ROLLED_BACK");
@Test
void afterCommit_fires_on_commit() {
Recorder recorder = new Recorder();
TxStatus tx = manager.begin(TxDefinition.DEFAULTS);
ResourceRegistry.addSynchronization(recorder);
manager.commit(tx);
assertEquals(COMMITTED, recorder.calls);
}
@Test
void afterRollback_fires_on_rollback() {
Recorder recorder = new Recorder();
TxStatus tx = manager.begin(TxDefinition.DEFAULTS);
ResourceRegistry.addSynchronization(recorder);
manager.rollback(tx);
assertEquals(ROLLED_BACK, recorder.calls);
}
@Test
void commit_of_a_rollback_only_tx_rolls_back_without_running_beforeCommit() {
Recorder recorder = new Recorder();
TxStatus tx = manager.begin(TxDefinition.DEFAULTS);
tx.markRollbackOnly();
ResourceRegistry.addSynchronization(recorder);
manager.commit(tx);
assertEquals(ROLLED_BACK, recorder.calls);
}
/** beforeCommit runs inside the transaction: connection still bound, nothing committed yet. */
@Test
void beforeCommit_runs_while_the_transaction_is_still_active() {
List<Connection> connectionSeen = new ArrayList<>();
TxStatus tx = manager.begin(TxDefinition.DEFAULTS);
Connection connection = tx.resource(Connection.class);
ResourceRegistry.addSynchronization(new TxSynchronization() {
@Override
public void beforeCommit(boolean readOnly) {
// MANDATORY only succeeds while a transaction is bound — proof this runs inside it.
TxStatus joined = manager.begin(TxDefinition.DEFAULTS.withPropagation(TransactionPropagation.MANDATORY));
connectionSeen.add(joined.resource(Connection.class));
manager.commit(joined);
}
});
manager.commit(tx);
assertSame(connection, connectionSeen.get(0), "the same connection must still be bound, so writes land in this commit");
}
@Test
void beforeCommit_is_told_whether_the_transaction_is_read_only() {
Recorder readWrite = new Recorder();
TxStatus rw = manager.begin(TxDefinition.DEFAULTS);
ResourceRegistry.addSynchronization(readWrite);
manager.commit(rw);
Recorder readOnly = new Recorder();
TxStatus ro = manager.begin(TxDefinition.DEFAULTS.asReadOnly());
ResourceRegistry.addSynchronization(readOnly);
manager.commit(ro);
assertEquals("beforeCommit:false", readWrite.calls.get(0));
assertEquals("beforeCommit:true", readOnly.calls.get(0));
}
/** Throwing from beforeCommit is a veto: no commit, the rollback callbacks run, the exception propagates. */
@Test
void a_throwing_beforeCommit_vetoes_the_commit() {
Recorder recorder = new Recorder();
TxStatus tx = manager.begin(TxDefinition.DEFAULTS);
ResourceRegistry.addSynchronization(new TxSynchronization() {
@Override public void beforeCommit(boolean readOnly) { throw new IllegalStateException("veto"); }
});
ResourceRegistry.addSynchronization(recorder);
IllegalStateException thrown = assertThrows(IllegalStateException.class, () -> manager.commit(tx));
assertEquals("veto", thrown.getMessage());
assertEquals(ROLLED_BACK, recorder.calls, "the surviving callbacks must hear ROLLED_BACK, not silence");
}
/** Post-completion callbacks run after the committed connection is unbound, so opening a transaction gets a fresh one. */
@Test
void a_synchronization_may_open_its_own_transaction() {
List<Connection> connectionsSeen = new ArrayList<>();
List<Boolean> wasNewTransaction = new ArrayList<>();
TxStatus outer = manager.begin(TxDefinition.DEFAULTS);
Connection committedConnection = outer.resource(Connection.class);
ResourceRegistry.addSynchronization(new TxSynchronization() {
@Override
public void afterCommit() {
TxStatus own = manager.begin(TxDefinition.DEFAULTS);
connectionsSeen.add(own.resource(Connection.class));
wasNewTransaction.add(own.isNewTransaction());
manager.commit(own);
}
});
manager.commit(outer);
assertEquals(1, connectionsSeen.size(), "the callback must have run");
assertEquals(List.of(true), wasNewTransaction, "must start its own transaction, not join the committed one");
assertNotSame(committedConnection, connectionsSeen.get(0));
}
@Test
void a_joined_commit_defers_synchronizations_to_the_outermost_commit() {
Recorder recorder = new Recorder();
TxStatus outer = manager.begin(TxDefinition.DEFAULTS);
TxStatus inner = manager.begin(TxDefinition.DEFAULTS.withPropagation(TransactionPropagation.REQUIRED));
ResourceRegistry.addSynchronization(recorder);
manager.commit(inner);
assertEquals(List.of(), recorder.calls, "the joined commit did not commit anything yet");
manager.commit(outer);
assertEquals(COMMITTED, recorder.calls);
}
@Test
void synchronizations_do_not_leak_into_the_next_transaction() {
Recorder recorder = new Recorder();
TxStatus first = manager.begin(TxDefinition.DEFAULTS);
ResourceRegistry.addSynchronization(recorder);
manager.commit(first);
recorder.calls.clear();
TxStatus second = manager.begin(TxDefinition.DEFAULTS);
manager.commit(second);
assertEquals(List.of(), recorder.calls);
}
@Test
void a_requires_new_commit_leaves_the_suspended_transactions_synchronizations_alone() {
Recorder outerSync = new Recorder();
Recorder innerSync = new Recorder();
TxStatus outer = manager.begin(TxDefinition.DEFAULTS);
ResourceRegistry.addSynchronization(outerSync);
TxStatus inner = manager.begin(TxDefinition.DEFAULTS.withPropagation(TransactionPropagation.REQUIRES_NEW));
ResourceRegistry.addSynchronization(innerSync);
manager.commit(inner);
assertEquals(COMMITTED, innerSync.calls);
assertEquals(List.of(), outerSync.calls, "the outer transaction has not committed yet");
manager.commit(outer);
assertEquals(COMMITTED, outerSync.calls);
}
@Test
void a_requires_new_rollback_leaves_the_suspended_transactions_synchronizations_alone() {
Recorder outerSync = new Recorder();
TxStatus outer = manager.begin(TxDefinition.DEFAULTS);
ResourceRegistry.addSynchronization(outerSync);
TxStatus inner = manager.begin(TxDefinition.DEFAULTS.withPropagation(TransactionPropagation.REQUIRES_NEW));
manager.rollback(inner);
assertEquals(List.of(), outerSync.calls, "the outer transaction is still open");
manager.commit(outer);
assertEquals(COMMITTED, outerSync.calls);
}
}
flash-extensions/flash-ext-data-jdbc/src/test/java/dev/relism/flash/ext/data/jdbc/JdbcTxManagerTest.java
+29 -46
View File
@@ -4,15 +4,12 @@ import dev.relism.flash.ext.data.core.*;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Test;
import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import static org.junit.jupiter.api.Assertions.*;
class JdbcTxManagerTest {
private final JdbcTxManager manager = new JdbcTxManager(dataSource());
private final JdbcTxManager manager = new JdbcTxManager(new TestDataSource());
@AfterEach
void cleanup() {
@@ -53,52 +50,38 @@ class JdbcTxManagerTest {
manager.rollback(outer);
}
private static DataSource dataSource() {
return new DataSource() {
@Override
public Connection getConnection() throws SQLException {
return DriverManager.getConnection("jdbc:h2:mem:tx-jdbc;DB_CLOSE_DELAY=-1");
}
/**
* SUPPORTS without an active transaction yields a connectionless status — it must not be a
* transaction, and asking it for a connection must say so rather than NPE. Both propagations
* that produce one used to throw {@link NullPointerException} straight out of {@code begin()}.
*/
@Test
void supports_without_active_transaction_is_a_connectionless_no_op() {
TxStatus s = manager.begin(TxDefinition.DEFAULTS.withPropagation(TransactionPropagation.SUPPORTS));
@Override
public Connection getConnection(String username, String password) throws SQLException {
return DriverManager.getConnection("jdbc:h2:mem:tx-jdbc;DB_CLOSE_DELAY=-1", username, password);
}
assertFalse(s.isNewTransaction());
assertThrows(IllegalStateException.class, () -> s.resource(Connection.class));
assertDoesNotThrow(() -> manager.commit(s));
}
@Override
public <T> T unwrap(Class<T> iface) {
throw new UnsupportedOperationException();
}
@Test
void not_supported_suspends_the_active_transaction_and_restores_it_on_commit() {
TxStatus outer = manager.begin(TxDefinition.DEFAULTS);
Connection outerConnection = outer.resource(Connection.class);
@Override
public boolean isWrapperFor(Class<?> iface) {
return false;
}
TxStatus suspended = manager.begin(TxDefinition.DEFAULTS.withPropagation(TransactionPropagation.NOT_SUPPORTED));
assertFalse(suspended.isNewTransaction());
assertThrows(IllegalStateException.class, () -> suspended.resource(Connection.class));
manager.commit(suspended);
@Override
public java.io.PrintWriter getLogWriter() {
throw new UnsupportedOperationException();
}
TxStatus rejoined = manager.begin(TxDefinition.DEFAULTS.withPropagation(TransactionPropagation.REQUIRED));
assertSame(outerConnection, rejoined.resource(Connection.class), "the suspended transaction must be back");
manager.rollback(outer);
}
@Override
public void setLogWriter(java.io.PrintWriter out) {
throw new UnsupportedOperationException();
}
@Override
public void setLoginTimeout(int seconds) {
throw new UnsupportedOperationException();
}
@Override
public int getLoginTimeout() {
return 0;
}
@Override
public java.util.logging.Logger getParentLogger() {
throw new UnsupportedOperationException();
}
};
@Test
void mandatory_without_active_transaction_is_rejected() {
assertThrows(IllegalStateException.class,
() -> manager.begin(TxDefinition.DEFAULTS.withPropagation(TransactionPropagation.MANDATORY)));
}
}
flash-extensions/flash-ext-data-jdbc/src/test/java/dev/relism/flash/ext/data/jdbc/TestDataSource.java
+37
View File
@@ -0,0 +1,37 @@
package dev.relism.flash.ext.data.jdbc;
import javax.sql.DataSource;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.logging.Logger;
/**
* A bare in-memory H2 {@link DataSource} — one fresh connection per {@code getConnection()}, which
* is all {@code JdbcTxManager} needs to exercise real commit/rollback and suspension. Every method
* outside the two {@code getConnection} overloads throws: nothing under test calls them, and a
* loud failure beats a silent stub if that ever changes.
*/
final class TestDataSource implements DataSource {
static final String URL = "jdbc:h2:mem:tx-jdbc;DB_CLOSE_DELAY=-1";
@Override
public Connection getConnection() throws SQLException {
return DriverManager.getConnection(URL);
}
@Override
public Connection getConnection(String username, String password) throws SQLException {
return DriverManager.getConnection(URL, username, password);
}
@Override public <T> T unwrap(Class<T> iface) { throw new UnsupportedOperationException(); }
@Override public boolean isWrapperFor(Class<?> iface) { return false; }
@Override public PrintWriter getLogWriter() { throw new UnsupportedOperationException(); }
@Override public void setLogWriter(PrintWriter out) { throw new UnsupportedOperationException(); }
@Override public void setLoginTimeout(int seconds) { throw new UnsupportedOperationException(); }
@Override public int getLoginTimeout() { return 0; }
@Override public Logger getParentLogger() { throw new UnsupportedOperationException(); }
}
flash-extensions/flash-ext-jackson/pom.xml
+1 -1
View File
@@ -7,7 +7,7 @@
<parent>
<groupId>dev.relism</groupId>
<artifactId>flash-extensions</artifactId>
<version>2.0.0</version>
<version>2.1.0-SNAPSHOT</version>
</parent>
<artifactId>flash-ext-jackson</artifactId>
flash-extensions/flash-ext-jackson/src/main/java/dev/relism/flash/ext/jackson/JacksonExtension.java
+4 -2
View File
@@ -4,6 +4,7 @@ import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.databind.json.JsonMapper;
import dev.relism.flash.extension.FlashContext;
import dev.relism.flash.extension.FlashRegistrar;
import dev.relism.flash.extension.FlashExtension;
import dev.relism.flash.routing.Middleware;
@@ -12,7 +13,8 @@ import dev.relism.flash.routing.Middleware;
*
* <p>Exposes a {@link Json} utility instance in the {@link FlashContext} under
* {@code Json.class}. Any handler or extension can retrieve it via {@code ctx.require(Json.class)}
* inside {@code onInit()} (class-based) or inside {@link FlashExtension#routes} (extensions).
* inside {@code onInit()} (class-based) or from a {@link FlashContext#onReady(Runnable)}
* callback (extensions).
*
* <p>The raw {@link ObjectMapper} is also registered under {@code ObjectMapper.class}
* for extensions that need direct mapper access (e.g. OpenAPI schema generation).
@@ -83,7 +85,7 @@ public class JacksonExtension implements FlashExtension {
}
@Override
public void provide(FlashContext ctx) {
public void configure(FlashRegistrar<?> app, FlashContext ctx) {
Json json = new Json(mapper);
ctx.provide(Json.class, json);
ctx.provide(ObjectMapper.class, mapper);
flash-extensions/flash-ext-jackson/src/test/java/dev/relism/flash/ext/jackson/JacksonExtensionTest.java
+3 -2
View File
@@ -19,12 +19,13 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
class JacksonExtensionTest {
@Test
void provide_registers_json_mapper_and_middleware() {
void configure_registers_json_mapper_and_middleware() {
FlashContext ctx = new FlashContext();
ObjectMapper mapper = new ObjectMapper();
JacksonExtension ext = new JacksonExtension(mapper);
ext.provide(ctx);
ext.configure(null, ctx);
ctx.complete();
assertNotNull(ctx.require(Json.class));
assertNotNull(ctx.require(JacksonMiddleware.class));

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