From 544542b2f02ee09f0c5d41d47560e527588c1e51 Mon Sep 17 00:00:00 2001 From: swarm-bot Date: Tue, 12 May 2026 15:59:37 +0000 Subject: [PATCH 01/13] chore: bootstrap swarm original prompt --- .swarm/run/original-prompt.md | 5 +++++ 1 file changed, 5 insertions(+) create mode 100644 .swarm/run/original-prompt.md diff --git a/.swarm/run/original-prompt.md b/.swarm/run/original-prompt.md new file mode 100644 index 00000000..f3b08058 --- /dev/null +++ b/.swarm/run/original-prompt.md @@ -0,0 +1,5 @@ +There is a SFI (security) work item in this file - /src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java +Multiple language workers use plaintext/insecure gRPC channels, enabling MITM attacks. +Java worker: Uses plaintext gRPC channel enabling MITM tampering leading to potential code execution + +Can you fix it? It would be great to identify these things - - Is the fix necessary? - What was the historical context of designing the code as is? Was it intentional or a missed gap? - Can you confirm if there will be any regressions if the fix is made? - Will there be a contract or a breaking change for the customer? - How well is it tested? \ No newline at end of file From 76ad703e99d9204820c13ac2aa9b5088f6669e55 Mon Sep 17 00:00:00 2001 From: swarm-bot Date: Tue, 12 May 2026 16:08:23 +0000 Subject: [PATCH 02/13] chore: persist swarm plan --- .swarm/run/rounds/round-1/manifest.json | 8 +++++ .../round-1/planning/design-document.md | 14 ++++++++ .swarm/run/rounds/round-1/planning/plan.json | 34 +++++++++++++++++++ .swarm/tasks/add-grpc-transport-tests/task.md | 10 ++++++ .swarm/tasks/expose-functions-uri/task.md | 10 ++++++ .../select-grpc-transport-from-uri/task.md | 10 ++++++ 6 files changed, 86 insertions(+) create mode 100644 .swarm/run/rounds/round-1/manifest.json create mode 100644 .swarm/run/rounds/round-1/planning/design-document.md create mode 100644 .swarm/run/rounds/round-1/planning/plan.json create mode 100644 .swarm/tasks/add-grpc-transport-tests/task.md create mode 100644 .swarm/tasks/expose-functions-uri/task.md create mode 100644 .swarm/tasks/select-grpc-transport-from-uri/task.md diff --git a/.swarm/run/rounds/round-1/manifest.json b/.swarm/run/rounds/round-1/manifest.json new file mode 100644 index 00000000..1f292b0c --- /dev/null +++ b/.swarm/run/rounds/round-1/manifest.json @@ -0,0 +1,8 @@ +{ + "roundNumber": 1, + "taskIds": [ + "expose-functions-uri", + "select-grpc-transport-from-uri", + "add-grpc-transport-tests" + ] +} \ No newline at end of file diff --git a/.swarm/run/rounds/round-1/planning/design-document.md b/.swarm/run/rounds/round-1/planning/design-document.md new file mode 100644 index 00000000..ed6a737c --- /dev/null +++ b/.swarm/run/rounds/round-1/planning/design-document.md @@ -0,0 +1,14 @@ +## Summary +`JavaWorkerClient` hard-codes `ManagedChannelBuilder.forAddress(...).usePlaintext()` and therefore can never participate in a secure host/worker gRPC channel. The host already emits `--functions-uri`, and `Application` already parses it, but the worker ignores it. + +## Findings +- **Fix necessary:** Yes. Today the Java worker guarantees plaintext and blocks any host-side secure transport rollout. +- **Historical context:** Plaintext has been present since the file’s first 2018 revision, which matched the original localhost child-process trust model. In 2023 the worker added support for updated prefixed args (`functions-uri`, etc.), but the transport code stayed on legacy host/port; that looks like a missed follow-up gap, not a newly introduced behavior. +- **Regression / breaking change:** Keep the existing CLI contract and fallback behavior. Prefer `functions-uri` when present, but keep HTTP/legacy host+port working so current hosts/customers do not break. If the host explicitly sends `https`, fail closed on TLS errors rather than downgrading to plaintext. +- **Customer contract:** No new flags are needed; the worker will finally honor an existing argument. Full end-to-end mitigation still depends on the host advertising a secure URI (and a certificate the JVM can trust). +- **Testing today:** `mvn test` currently passes (63 tests, 0 failures/errors/skips). CI also runs build plus emulated/E2E matrices, but there is no direct coverage of secure gRPC channel negotiation. + +## Plan +1. Surface the parsed endpoint URI through `IApplication` in a compatibility-safe way. +2. Make `JavaWorkerClient` select plaintext vs TLS from the URI scheme instead of always calling `usePlaintext()`. +3. Add explicit plaintext regression tests and TLS transport tests so the new path is exercised in CI. \ No newline at end of file diff --git a/.swarm/run/rounds/round-1/planning/plan.json b/.swarm/run/rounds/round-1/planning/plan.json new file mode 100644 index 00000000..5fdcac89 --- /dev/null +++ b/.swarm/run/rounds/round-1/planning/plan.json @@ -0,0 +1,34 @@ +{ + "designDocument": "## Summary\n\u0060JavaWorkerClient\u0060 hard-codes \u0060ManagedChannelBuilder.forAddress(...).usePlaintext()\u0060 and therefore can never participate in a secure host/worker gRPC channel. The host already emits \u0060--functions-uri\u0060, and \u0060Application\u0060 already parses it, but the worker ignores it.\n\n## Findings\n- **Fix necessary:** Yes. Today the Java worker guarantees plaintext and blocks any host-side secure transport rollout.\n- **Historical context:** Plaintext has been present since the file\u2019s first 2018 revision, which matched the original localhost child-process trust model. In 2023 the worker added support for updated prefixed args (\u0060functions-uri\u0060, etc.), but the transport code stayed on legacy host/port; that looks like a missed follow-up gap, not a newly introduced behavior.\n- **Regression / breaking change:** Keep the existing CLI contract and fallback behavior. Prefer \u0060functions-uri\u0060 when present, but keep HTTP/legacy host\u002Bport working so current hosts/customers do not break. If the host explicitly sends \u0060https\u0060, fail closed on TLS errors rather than downgrading to plaintext.\n- **Customer contract:** No new flags are needed; the worker will finally honor an existing argument. Full end-to-end mitigation still depends on the host advertising a secure URI (and a certificate the JVM can trust).\n- **Testing today:** \u0060mvn test\u0060 currently passes (63 tests, 0 failures/errors/skips). CI also runs build plus emulated/E2E matrices, but there is no direct coverage of secure gRPC channel negotiation.\n\n## Plan\n1. Surface the parsed endpoint URI through \u0060IApplication\u0060 in a compatibility-safe way.\n2. Make \u0060JavaWorkerClient\u0060 select plaintext vs TLS from the URI scheme instead of always calling \u0060usePlaintext()\u0060.\n3. Add explicit plaintext regression tests and TLS transport tests so the new path is exercised in CI.", + "tasks": [ + { + "id": "expose-functions-uri", + "title": "Expose functions-uri to worker startup code", + "description": "Update \u0060src/main/java/com/microsoft/azure/functions/worker/IApplication.java\u0060 and \u0060Application.java\u0060 so the parsed \u0060--functions-uri\u0060 value is available through a compatibility-safe accessor. Use a Java 8 default interface method (or equivalent non-breaking pattern) so existing implementers such as \u0060FunctionsTestHost\u0060 and any downstream consumers do not need source changes, while preserving the current fallback from prefixed args to legacy host/port/request identifiers.", + "dependencies": [], + "roundNumber": 1, + "branchName": "worker/task-1" + }, + { + "id": "select-grpc-transport-from-uri", + "title": "Choose gRPC transport from endpoint scheme", + "description": "Refactor \u0060src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java\u0060 so channel construction prefers the full endpoint URI when present instead of hard-coding \u0060.usePlaintext()\u0060. Use plaintext only for \u0060http\u0060 or legacy host/port startup, use transport security for \u0060https\u0060, preserve the current message-size behavior, and add clear error/log handling for unsupported or misconfigured secure endpoints. Do not silently downgrade a secure URI back to plaintext.", + "dependencies": [ + "expose-functions-uri" + ], + "roundNumber": 1, + "branchName": "worker/task-2" + }, + { + "id": "add-grpc-transport-tests", + "title": "Add plaintext and TLS transport coverage", + "description": "Add focused tests under \u0060src/test/java\u0060 (and \u0060src/test/resources\u0060 if needed) that cover: (1) the existing plaintext path still working with the current test host, (2) a TLS-enabled gRPC host that succeeds when the worker is given a trusted secure \u0060functions-uri\u0060, and (3) a negative secure-path case that proves \u0060https\u0060 is not silently downgraded to plaintext. Keep the existing functional tests green and validate the final change set with \u0060mvn test\u0060.", + "dependencies": [ + "select-grpc-transport-from-uri" + ], + "roundNumber": 1, + "branchName": "worker/task-3" + } + ], + "title": "Honor secure Functions host URIs in Java worker" +} \ No newline at end of file diff --git a/.swarm/tasks/add-grpc-transport-tests/task.md b/.swarm/tasks/add-grpc-transport-tests/task.md new file mode 100644 index 00000000..a8e38dc9 --- /dev/null +++ b/.swarm/tasks/add-grpc-transport-tests/task.md @@ -0,0 +1,10 @@ +# Add plaintext and TLS transport coverage + +- Task ID: `add-grpc-transport-tests` +- Round: 1 +- Branch: worker/task-3 +- Dependencies: select-grpc-transport-from-uri + +## Description + +Add focused tests under `src/test/java` (and `src/test/resources` if needed) that cover: (1) the existing plaintext path still working with the current test host, (2) a TLS-enabled gRPC host that succeeds when the worker is given a trusted secure `functions-uri`, and (3) a negative secure-path case that proves `https` is not silently downgraded to plaintext. Keep the existing functional tests green and validate the final change set with `mvn test`. \ No newline at end of file diff --git a/.swarm/tasks/expose-functions-uri/task.md b/.swarm/tasks/expose-functions-uri/task.md new file mode 100644 index 00000000..ba36b34b --- /dev/null +++ b/.swarm/tasks/expose-functions-uri/task.md @@ -0,0 +1,10 @@ +# Expose functions-uri to worker startup code + +- Task ID: `expose-functions-uri` +- Round: 1 +- Branch: worker/task-1 +- Dependencies: (none) + +## Description + +Update `src/main/java/com/microsoft/azure/functions/worker/IApplication.java` and `Application.java` so the parsed `--functions-uri` value is available through a compatibility-safe accessor. Use a Java 8 default interface method (or equivalent non-breaking pattern) so existing implementers such as `FunctionsTestHost` and any downstream consumers do not need source changes, while preserving the current fallback from prefixed args to legacy host/port/request identifiers. \ No newline at end of file diff --git a/.swarm/tasks/select-grpc-transport-from-uri/task.md b/.swarm/tasks/select-grpc-transport-from-uri/task.md new file mode 100644 index 00000000..704d0485 --- /dev/null +++ b/.swarm/tasks/select-grpc-transport-from-uri/task.md @@ -0,0 +1,10 @@ +# Choose gRPC transport from endpoint scheme + +- Task ID: `select-grpc-transport-from-uri` +- Round: 1 +- Branch: worker/task-2 +- Dependencies: expose-functions-uri + +## Description + +Refactor `src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java` so channel construction prefers the full endpoint URI when present instead of hard-coding `.usePlaintext()`. Use plaintext only for `http` or legacy host/port startup, use transport security for `https`, preserve the current message-size behavior, and add clear error/log handling for unsupported or misconfigured secure endpoints. Do not silently downgrade a secure URI back to plaintext. \ No newline at end of file From 9869c326165626d8fdb9f49c1f8ab1cbd56f6de2 Mon Sep 17 00:00:00 2001 From: swarm-bot Date: Tue, 12 May 2026 17:03:02 +0000 Subject: [PATCH 03/13] chore: persist swarm plan --- .../round-1/planning/design-document.md | 19 ++++++++++--------- .swarm/run/rounds/round-1/planning/plan.json | 8 ++++---- .swarm/tasks/add-grpc-transport-tests/task.md | 2 +- .swarm/tasks/expose-functions-uri/task.md | 2 +- .../select-grpc-transport-from-uri/task.md | 2 +- 5 files changed, 17 insertions(+), 16 deletions(-) diff --git a/.swarm/run/rounds/round-1/planning/design-document.md b/.swarm/run/rounds/round-1/planning/design-document.md index ed6a737c..ddca5f46 100644 --- a/.swarm/run/rounds/round-1/planning/design-document.md +++ b/.swarm/run/rounds/round-1/planning/design-document.md @@ -1,14 +1,15 @@ ## Summary -`JavaWorkerClient` hard-codes `ManagedChannelBuilder.forAddress(...).usePlaintext()` and therefore can never participate in a secure host/worker gRPC channel. The host already emits `--functions-uri`, and `Application` already parses it, but the worker ignores it. +`JavaWorkerClient` always builds `ManagedChannelBuilder.forAddress(...).usePlaintext()`, so the Java worker ignores the already-parsed `--functions-uri` and can never join a secure host/worker gRPC channel. ## Findings -- **Fix necessary:** Yes. Today the Java worker guarantees plaintext and blocks any host-side secure transport rollout. -- **Historical context:** Plaintext has been present since the file’s first 2018 revision, which matched the original localhost child-process trust model. In 2023 the worker added support for updated prefixed args (`functions-uri`, etc.), but the transport code stayed on legacy host/port; that looks like a missed follow-up gap, not a newly introduced behavior. -- **Regression / breaking change:** Keep the existing CLI contract and fallback behavior. Prefer `functions-uri` when present, but keep HTTP/legacy host+port working so current hosts/customers do not break. If the host explicitly sends `https`, fail closed on TLS errors rather than downgrading to plaintext. -- **Customer contract:** No new flags are needed; the worker will finally honor an existing argument. Full end-to-end mitigation still depends on the host advertising a secure URI (and a certificate the JVM can trust). -- **Testing today:** `mvn test` currently passes (63 tests, 0 failures/errors/skips). CI also runs build plus emulated/E2E matrices, but there is no direct coverage of secure gRPC channel negotiation. +- **Fix necessary:** Yes. Today the worker guarantees plaintext and blocks any host-side TLS rollout, leaving any non-local transport exposed to MITM tampering. +- **Historical context:** Plaintext dates back to the early 2018 same-machine child-process design. In 2023 the worker added prefixed startup args, including `functions-uri`, plus fallback to legacy args, but `JavaWorkerClient` was not updated; this looks like an old assumption that became a gap once URI-based startup existed. +- **TLS behavior clarification:** The fix should honor TLS, not ignore it. When `functions-uri` uses `https`, the worker should build a TLS gRPC channel and fail if handshake, certificate, or hostname validation fails. Only `http` URIs, or legacy startup that supplies just host+port, should continue to use plaintext. +- **Regression / breaking change:** No new CLI or protocol contract. Existing `http` and legacy host+port launches keep their current behavior. The only observable behavior change is that a previously ignored or misconfigured `https` endpoint will stop connecting insecurely and instead fail closed. +- **Customer contract:** No new flags are required. Trust still comes from the JVM trust configuration already available via existing Java options, so hosts using private CAs do not need a new worker-specific switch. +- **Testing today:** `mvn test` currently passes (63 tests, 0 failures/errors/skips). Repo CI also runs build plus emulated, docker, and end-to-end matrices, but there is no direct secure gRPC transport coverage. ## Plan -1. Surface the parsed endpoint URI through `IApplication` in a compatibility-safe way. -2. Make `JavaWorkerClient` select plaintext vs TLS from the URI scheme instead of always calling `usePlaintext()`. -3. Add explicit plaintext regression tests and TLS transport tests so the new path is exercised in CI. \ No newline at end of file +1. Expose the parsed `functions-uri` through `IApplication` in a compatibility-safe way. +2. Make `JavaWorkerClient` choose transport from the URI scheme: `https` => TLS with no plaintext downgrade, `http` or legacy host+port => plaintext. +3. Add focused plaintext/TLS transport tests and rerun `mvn test`. \ No newline at end of file diff --git a/.swarm/run/rounds/round-1/planning/plan.json b/.swarm/run/rounds/round-1/planning/plan.json index 5fdcac89..8c14383f 100644 --- a/.swarm/run/rounds/round-1/planning/plan.json +++ b/.swarm/run/rounds/round-1/planning/plan.json @@ -1,10 +1,10 @@ { - "designDocument": "## Summary\n\u0060JavaWorkerClient\u0060 hard-codes \u0060ManagedChannelBuilder.forAddress(...).usePlaintext()\u0060 and therefore can never participate in a secure host/worker gRPC channel. The host already emits \u0060--functions-uri\u0060, and \u0060Application\u0060 already parses it, but the worker ignores it.\n\n## Findings\n- **Fix necessary:** Yes. Today the Java worker guarantees plaintext and blocks any host-side secure transport rollout.\n- **Historical context:** Plaintext has been present since the file\u2019s first 2018 revision, which matched the original localhost child-process trust model. In 2023 the worker added support for updated prefixed args (\u0060functions-uri\u0060, etc.), but the transport code stayed on legacy host/port; that looks like a missed follow-up gap, not a newly introduced behavior.\n- **Regression / breaking change:** Keep the existing CLI contract and fallback behavior. Prefer \u0060functions-uri\u0060 when present, but keep HTTP/legacy host\u002Bport working so current hosts/customers do not break. If the host explicitly sends \u0060https\u0060, fail closed on TLS errors rather than downgrading to plaintext.\n- **Customer contract:** No new flags are needed; the worker will finally honor an existing argument. Full end-to-end mitigation still depends on the host advertising a secure URI (and a certificate the JVM can trust).\n- **Testing today:** \u0060mvn test\u0060 currently passes (63 tests, 0 failures/errors/skips). CI also runs build plus emulated/E2E matrices, but there is no direct coverage of secure gRPC channel negotiation.\n\n## Plan\n1. Surface the parsed endpoint URI through \u0060IApplication\u0060 in a compatibility-safe way.\n2. Make \u0060JavaWorkerClient\u0060 select plaintext vs TLS from the URI scheme instead of always calling \u0060usePlaintext()\u0060.\n3. Add explicit plaintext regression tests and TLS transport tests so the new path is exercised in CI.", + "designDocument": "## Summary\n\u0060JavaWorkerClient\u0060 always builds \u0060ManagedChannelBuilder.forAddress(...).usePlaintext()\u0060, so the Java worker ignores the already-parsed \u0060--functions-uri\u0060 and can never join a secure host/worker gRPC channel.\n\n## Findings\n- **Fix necessary:** Yes. Today the worker guarantees plaintext and blocks any host-side TLS rollout, leaving any non-local transport exposed to MITM tampering.\n- **Historical context:** Plaintext dates back to the early 2018 same-machine child-process design. In 2023 the worker added prefixed startup args, including \u0060functions-uri\u0060, plus fallback to legacy args, but \u0060JavaWorkerClient\u0060 was not updated; this looks like an old assumption that became a gap once URI-based startup existed.\n- **TLS behavior clarification:** The fix should honor TLS, not ignore it. When \u0060functions-uri\u0060 uses \u0060https\u0060, the worker should build a TLS gRPC channel and fail if handshake, certificate, or hostname validation fails. Only \u0060http\u0060 URIs, or legacy startup that supplies just host\u002Bport, should continue to use plaintext.\n- **Regression / breaking change:** No new CLI or protocol contract. Existing \u0060http\u0060 and legacy host\u002Bport launches keep their current behavior. The only observable behavior change is that a previously ignored or misconfigured \u0060https\u0060 endpoint will stop connecting insecurely and instead fail closed.\n- **Customer contract:** No new flags are required. Trust still comes from the JVM trust configuration already available via existing Java options, so hosts using private CAs do not need a new worker-specific switch.\n- **Testing today:** \u0060mvn test\u0060 currently passes (63 tests, 0 failures/errors/skips). Repo CI also runs build plus emulated, docker, and end-to-end matrices, but there is no direct secure gRPC transport coverage.\n\n## Plan\n1. Expose the parsed \u0060functions-uri\u0060 through \u0060IApplication\u0060 in a compatibility-safe way.\n2. Make \u0060JavaWorkerClient\u0060 choose transport from the URI scheme: \u0060https\u0060 =\u003E TLS with no plaintext downgrade, \u0060http\u0060 or legacy host\u002Bport =\u003E plaintext.\n3. Add focused plaintext/TLS transport tests and rerun \u0060mvn test\u0060.", "tasks": [ { "id": "expose-functions-uri", "title": "Expose functions-uri to worker startup code", - "description": "Update \u0060src/main/java/com/microsoft/azure/functions/worker/IApplication.java\u0060 and \u0060Application.java\u0060 so the parsed \u0060--functions-uri\u0060 value is available through a compatibility-safe accessor. Use a Java 8 default interface method (or equivalent non-breaking pattern) so existing implementers such as \u0060FunctionsTestHost\u0060 and any downstream consumers do not need source changes, while preserving the current fallback from prefixed args to legacy host/port/request identifiers.", + "description": "Update \u0060src/main/java/com/microsoft/azure/functions/worker/IApplication.java\u0060 and \u0060Application.java\u0060 so the parsed \u0060--functions-uri\u0060 value is available through a compatibility-safe accessor. Use a Java 8 default interface method (or an equivalent non-breaking pattern) so existing implementers do not need source changes, while preserving the current precedence of prefixed args over legacy host/port/request/message-size arguments and keeping host/port extraction intact.", "dependencies": [], "roundNumber": 1, "branchName": "worker/task-1" @@ -12,7 +12,7 @@ { "id": "select-grpc-transport-from-uri", "title": "Choose gRPC transport from endpoint scheme", - "description": "Refactor \u0060src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java\u0060 so channel construction prefers the full endpoint URI when present instead of hard-coding \u0060.usePlaintext()\u0060. Use plaintext only for \u0060http\u0060 or legacy host/port startup, use transport security for \u0060https\u0060, preserve the current message-size behavior, and add clear error/log handling for unsupported or misconfigured secure endpoints. Do not silently downgrade a secure URI back to plaintext.", + "description": "Refactor \u0060src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java\u0060 so channel construction reads the endpoint scheme from \u0060functions-uri\u0060 when present instead of hard-coding plaintext. If the URI is \u0060https\u0060, build the channel with transport security and let TLS or certificate failures surface; do not retry or downgrade to plaintext. If the URI is \u0060http\u0060, or no URI is available and startup fell back to legacy host\u002Bport args, keep the current plaintext behavior. Preserve the existing message-size behavior and fail fast with a clear error for unsupported schemes.", "dependencies": [ "expose-functions-uri" ], @@ -22,7 +22,7 @@ { "id": "add-grpc-transport-tests", "title": "Add plaintext and TLS transport coverage", - "description": "Add focused tests under \u0060src/test/java\u0060 (and \u0060src/test/resources\u0060 if needed) that cover: (1) the existing plaintext path still working with the current test host, (2) a TLS-enabled gRPC host that succeeds when the worker is given a trusted secure \u0060functions-uri\u0060, and (3) a negative secure-path case that proves \u0060https\u0060 is not silently downgraded to plaintext. Keep the existing functional tests green and validate the final change set with \u0060mvn test\u0060.", + "description": "Add focused tests under \u0060src/test/java\u0060 (and \u0060src/test/resources\u0060 if needed) that cover: (1) the existing plaintext path still working with the current test host, (2) successful connection to a TLS-enabled gRPC test host when the worker is given a trusted \u0060https\u0060 \u0060functions-uri\u0060, and (3) a negative \u0060https\u0060 case proving TLS errors are not silently downgraded to plaintext. Extend or split the current test host utility as needed, then rerun \u0060mvn test\u0060 to keep the full suite green.", "dependencies": [ "select-grpc-transport-from-uri" ], diff --git a/.swarm/tasks/add-grpc-transport-tests/task.md b/.swarm/tasks/add-grpc-transport-tests/task.md index a8e38dc9..76119f45 100644 --- a/.swarm/tasks/add-grpc-transport-tests/task.md +++ b/.swarm/tasks/add-grpc-transport-tests/task.md @@ -7,4 +7,4 @@ ## Description -Add focused tests under `src/test/java` (and `src/test/resources` if needed) that cover: (1) the existing plaintext path still working with the current test host, (2) a TLS-enabled gRPC host that succeeds when the worker is given a trusted secure `functions-uri`, and (3) a negative secure-path case that proves `https` is not silently downgraded to plaintext. Keep the existing functional tests green and validate the final change set with `mvn test`. \ No newline at end of file +Add focused tests under `src/test/java` (and `src/test/resources` if needed) that cover: (1) the existing plaintext path still working with the current test host, (2) successful connection to a TLS-enabled gRPC test host when the worker is given a trusted `https` `functions-uri`, and (3) a negative `https` case proving TLS errors are not silently downgraded to plaintext. Extend or split the current test host utility as needed, then rerun `mvn test` to keep the full suite green. \ No newline at end of file diff --git a/.swarm/tasks/expose-functions-uri/task.md b/.swarm/tasks/expose-functions-uri/task.md index ba36b34b..b33568fd 100644 --- a/.swarm/tasks/expose-functions-uri/task.md +++ b/.swarm/tasks/expose-functions-uri/task.md @@ -7,4 +7,4 @@ ## Description -Update `src/main/java/com/microsoft/azure/functions/worker/IApplication.java` and `Application.java` so the parsed `--functions-uri` value is available through a compatibility-safe accessor. Use a Java 8 default interface method (or equivalent non-breaking pattern) so existing implementers such as `FunctionsTestHost` and any downstream consumers do not need source changes, while preserving the current fallback from prefixed args to legacy host/port/request identifiers. \ No newline at end of file +Update `src/main/java/com/microsoft/azure/functions/worker/IApplication.java` and `Application.java` so the parsed `--functions-uri` value is available through a compatibility-safe accessor. Use a Java 8 default interface method (or an equivalent non-breaking pattern) so existing implementers do not need source changes, while preserving the current precedence of prefixed args over legacy host/port/request/message-size arguments and keeping host/port extraction intact. \ No newline at end of file diff --git a/.swarm/tasks/select-grpc-transport-from-uri/task.md b/.swarm/tasks/select-grpc-transport-from-uri/task.md index 704d0485..1e624c8c 100644 --- a/.swarm/tasks/select-grpc-transport-from-uri/task.md +++ b/.swarm/tasks/select-grpc-transport-from-uri/task.md @@ -7,4 +7,4 @@ ## Description -Refactor `src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java` so channel construction prefers the full endpoint URI when present instead of hard-coding `.usePlaintext()`. Use plaintext only for `http` or legacy host/port startup, use transport security for `https`, preserve the current message-size behavior, and add clear error/log handling for unsupported or misconfigured secure endpoints. Do not silently downgrade a secure URI back to plaintext. \ No newline at end of file +Refactor `src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java` so channel construction reads the endpoint scheme from `functions-uri` when present instead of hard-coding plaintext. If the URI is `https`, build the channel with transport security and let TLS or certificate failures surface; do not retry or downgrade to plaintext. If the URI is `http`, or no URI is available and startup fell back to legacy host+port args, keep the current plaintext behavior. Preserve the existing message-size behavior and fail fast with a clear error for unsupported schemes. \ No newline at end of file From 3a32920b0faf26718672c4201095f620a91f5ef4 Mon Sep 17 00:00:00 2001 From: swarm-bot Date: Tue, 12 May 2026 17:12:37 +0000 Subject: [PATCH 04/13] Expose functions-uri to worker startup code --- .swarm/tasks/expose-functions-uri/result.json | 21 ++++ .../azure/functions/worker/Application.java | 7 +- .../azure/functions/worker/IApplication.java | 3 + .../functions/worker/ApplicationTest.java | 98 +++++++++++++++++++ 4 files changed, 128 insertions(+), 1 deletion(-) create mode 100644 .swarm/tasks/expose-functions-uri/result.json create mode 100644 src/test/java/com/microsoft/azure/functions/worker/ApplicationTest.java diff --git a/.swarm/tasks/expose-functions-uri/result.json b/.swarm/tasks/expose-functions-uri/result.json new file mode 100644 index 00000000..9a8bbd2c --- /dev/null +++ b/.swarm/tasks/expose-functions-uri/result.json @@ -0,0 +1,21 @@ +{ + "taskId": "expose-functions-uri", + "status": "Succeeded", + "summary": "Exposed functions-uri through a compatibility-safe IApplication default method, updated Application to override it while keeping legacy getUri/host/port behavior, and added startup-argument precedence coverage; validated with mvn test.", + "filesTouched": [ + "src/main/java/com/microsoft/azure/functions/worker/IApplication.java", + "src/main/java/com/microsoft/azure/functions/worker/Application.java", + "src/test/java/com/microsoft/azure/functions/worker/ApplicationTest.java" + ], + "testsRun": { + "executed": true, + "passed": 66, + "failed": 0, + "command": "mvn test" + }, + "failureExcerpt": null, + "designDeviations": null, + "followUps": [ + "Downstream gRPC transport selection can now read IApplication.getFunctionsUri() without breaking existing implementers." + ] +} \ No newline at end of file diff --git a/src/main/java/com/microsoft/azure/functions/worker/Application.java b/src/main/java/com/microsoft/azure/functions/worker/Application.java index fb1c8095..8bb4a494 100644 --- a/src/main/java/com/microsoft/azure/functions/worker/Application.java +++ b/src/main/java/com/microsoft/azure/functions/worker/Application.java @@ -157,10 +157,15 @@ public int getPort() { return this.port; } - public String getUri() { + @Override + public String getFunctionsUri() { return this.uri; } + public String getUri() { + return this.getFunctionsUri(); + } + @Override public boolean logToConsole() { return this.logToConsole; diff --git a/src/main/java/com/microsoft/azure/functions/worker/IApplication.java b/src/main/java/com/microsoft/azure/functions/worker/IApplication.java index aebbc583..9417c060 100644 --- a/src/main/java/com/microsoft/azure/functions/worker/IApplication.java +++ b/src/main/java/com/microsoft/azure/functions/worker/IApplication.java @@ -5,4 +5,7 @@ public interface IApplication { String getHost(); int getPort(); Integer getMaxMessageSize(); + default String getFunctionsUri() { + return null; + } } diff --git a/src/test/java/com/microsoft/azure/functions/worker/ApplicationTest.java b/src/test/java/com/microsoft/azure/functions/worker/ApplicationTest.java new file mode 100644 index 00000000..8df09e2e --- /dev/null +++ b/src/test/java/com/microsoft/azure/functions/worker/ApplicationTest.java @@ -0,0 +1,98 @@ +package com.microsoft.azure.functions.worker; + +import org.junit.jupiter.api.Test; + +import java.lang.reflect.Constructor; +import java.lang.reflect.Method; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertNull; +import static org.junit.jupiter.api.Assertions.assertTrue; + +public class ApplicationTest { + @Test + public void legacyImplementationsDefaultFunctionsUriToNull() { + IApplication application = new LegacyApplication(); + + assertNull(application.getFunctionsUri()); + } + + @Test + public void prefixedStartupArgumentsTakePrecedenceOverLegacyValues() throws Exception { + Application application = createApplication( + "--functions-uri", "https://functions.example:8443", + "--host", "legacy.example", + "--port", "7071", + "--functions-worker-id", "prefixed-worker", + "--workerId", "legacy-worker", + "--functions-request-id", "prefixed-request", + "--requestId", "legacy-request", + "--functions-grpc-max-message-length", "2048", + "--grpcMaxMessageLength", "1024"); + + assertTrue(isCommandLineValid(application)); + assertEquals("https://functions.example:8443", application.getFunctionsUri()); + assertEquals("https://functions.example:8443", application.getUri()); + assertEquals("functions.example", application.getHost()); + assertEquals(8443, application.getPort()); + assertEquals(Integer.valueOf(2048), application.getMaxMessageSize()); + assertEquals("prefixed-worker", invokePrivateStringAccessor(application, "getWorkerId")); + assertEquals("prefixed-request", invokePrivateStringAccessor(application, "getRequestId")); + } + + @Test + public void legacyHostAndPortRemainAvailableWhenFunctionsUriIsAbsent() throws Exception { + Application application = createApplication( + "--host", "localhost", + "--port", "7001", + "--workerId", "legacy-worker", + "--requestId", "legacy-request", + "--grpcMaxMessageLength", "4096"); + + assertTrue(isCommandLineValid(application)); + assertNull(application.getFunctionsUri()); + assertEquals("localhost", application.getHost()); + assertEquals(7001, application.getPort()); + assertEquals(Integer.valueOf(4096), application.getMaxMessageSize()); + } + + private static Application createApplication(String... args) throws Exception { + Constructor constructor = Application.class.getDeclaredConstructor(String[].class); + constructor.setAccessible(true); + return constructor.newInstance((Object) args); + } + + private static boolean isCommandLineValid(Application application) throws Exception { + Method method = Application.class.getDeclaredMethod("isCommandlineValid"); + method.setAccessible(true); + return (boolean) method.invoke(application); + } + + private static String invokePrivateStringAccessor(Application application, String methodName) throws Exception { + Method method = Application.class.getDeclaredMethod(methodName); + method.setAccessible(true); + return (String) method.invoke(application); + } + + private static final class LegacyApplication implements IApplication { + @Override + public boolean logToConsole() { + return false; + } + + @Override + public String getHost() { + return "localhost"; + } + + @Override + public int getPort() { + return 7071; + } + + @Override + public Integer getMaxMessageSize() { + return null; + } + } +} From 2b78a7c729e2a5ebc656fc82c7f949ab009e59a2 Mon Sep 17 00:00:00 2001 From: swarm-bot Date: Tue, 12 May 2026 17:19:16 +0000 Subject: [PATCH 05/13] Choose gRPC transport from endpoint scheme --- .../result.json | 20 +++++++++ .../functions/worker/JavaWorkerClient.java | 41 ++++++++++++++++++- .../worker/JavaWorkerClientTest.java | 32 +++++++++++++++ 3 files changed, 92 insertions(+), 1 deletion(-) create mode 100644 .swarm/tasks/select-grpc-transport-from-uri/result.json create mode 100644 src/test/java/com/microsoft/azure/functions/worker/JavaWorkerClientTest.java diff --git a/.swarm/tasks/select-grpc-transport-from-uri/result.json b/.swarm/tasks/select-grpc-transport-from-uri/result.json new file mode 100644 index 00000000..426b88bf --- /dev/null +++ b/.swarm/tasks/select-grpc-transport-from-uri/result.json @@ -0,0 +1,20 @@ +{ + "taskId": "select-grpc-transport-from-uri", + "status": "Succeeded", + "summary": "Updated JavaWorkerClient to select TLS or plaintext from functions-uri scheme, fail fast on unsupported schemes, and added transport-selection tests; validated with full Maven test suite.", + "filesTouched": [ + "src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java", + "src/test/java/com/microsoft/azure/functions/worker/JavaWorkerClientTest.java" + ], + "testsRun": { + "executed": true, + "passed": 70, + "failed": 0, + "command": "mvn -s /tmp/maven-settings.xml -Dmaven.wagon.http.ssl.insecure=true -Dmaven.wagon.http.ssl.allowall=true test" + }, + "failureExcerpt": null, + "designDeviations": null, + "followUps": [ + "Task add-grpc-transport-tests can extend coverage to end-to-end TLS handshake behavior with a secure test host." + ] +} \ No newline at end of file diff --git a/src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java b/src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java index 540c078d..c0fbe8a6 100644 --- a/src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java +++ b/src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java @@ -1,5 +1,7 @@ package com.microsoft.azure.functions.worker; +import java.net.URI; +import java.net.URISyntaxException; import java.util.*; import java.util.concurrent.*; import java.util.concurrent.atomic.*; @@ -24,7 +26,12 @@ public class JavaWorkerClient implements AutoCloseable { public JavaWorkerClient(IApplication app) { WorkerLogManager.initialize(this, app.logToConsole()); - ManagedChannelBuilder chanBuilder = ManagedChannelBuilder.forAddress(app.getHost(), app.getPort()).usePlaintext(); + ManagedChannelBuilder chanBuilder = ManagedChannelBuilder.forAddress(app.getHost(), app.getPort()); + if (useTransportSecurity(app.getFunctionsUri())) { + chanBuilder.useTransportSecurity(); + } else { + chanBuilder.usePlaintext(); + } chanBuilder.maxInboundMessageSize(Integer.MAX_VALUE); this.channel = chanBuilder.build(); @@ -138,4 +145,36 @@ private synchronized void send(String requestId, MessageHandler marshaller private final AtomicReference peer; private final Map>> handlerSuppliers; private final ClassLoaderProvider classPathProvider; + + static boolean useTransportSecurity(@Nullable String functionsUri) { + if (functionsUri == null) { + return false; + } + + String scheme = parseFunctionsUriScheme(functionsUri); + switch (scheme.toLowerCase(Locale.ROOT)) { + case "http": + return false; + case "https": + return true; + default: + throw new IllegalArgumentException(String.format( + "Unsupported functions URI scheme \"%s\" in functions URI \"%s\". Only http and https are supported.", + scheme, functionsUri)); + } + } + + private static String parseFunctionsUriScheme(String functionsUri) { + try { + String scheme = new URI(functionsUri).getScheme(); + if (scheme == null || scheme.isEmpty()) { + throw new IllegalArgumentException(String.format( + "Unsupported functions URI \"%s\". Only http and https are supported.", functionsUri)); + } + return scheme; + } catch (URISyntaxException ex) { + throw new IllegalArgumentException(String.format( + "Error parsing functions URI \"%s\". Please provide a valid http or https URI.", functionsUri), ex); + } + } } diff --git a/src/test/java/com/microsoft/azure/functions/worker/JavaWorkerClientTest.java b/src/test/java/com/microsoft/azure/functions/worker/JavaWorkerClientTest.java new file mode 100644 index 00000000..c3437334 --- /dev/null +++ b/src/test/java/com/microsoft/azure/functions/worker/JavaWorkerClientTest.java @@ -0,0 +1,32 @@ +package com.microsoft.azure.functions.worker; + +import org.junit.jupiter.api.Test; + +import static org.junit.jupiter.api.Assertions.assertFalse; +import static org.junit.jupiter.api.Assertions.assertThrows; +import static org.junit.jupiter.api.Assertions.assertTrue; + +public class JavaWorkerClientTest { + @Test + public void legacyStartupDefaultsToPlaintextTransport() { + assertFalse(JavaWorkerClient.useTransportSecurity(null)); + } + + @Test + public void httpFunctionsUriUsesPlaintextTransport() { + assertFalse(JavaWorkerClient.useTransportSecurity("http://functions.example:7071")); + } + + @Test + public void httpsFunctionsUriUsesTransportSecurity() { + assertTrue(JavaWorkerClient.useTransportSecurity("https://functions.example:8443")); + } + + @Test + public void unsupportedFunctionsUriSchemeFailsFast() { + IllegalArgumentException exception = assertThrows(IllegalArgumentException.class, + () -> JavaWorkerClient.useTransportSecurity("unix:///tmp/functions.sock")); + + assertTrue(exception.getMessage().contains("Only http and https are supported.")); + } +} From 079a4d40204b176163536df3a4ad2612599d1570 Mon Sep 17 00:00:00 2001 From: swarm-bot Date: Tue, 12 May 2026 17:27:06 +0000 Subject: [PATCH 06/13] Add plaintext and TLS transport coverage --- .../add-grpc-transport-tests/result.json | 23 ++++ .../functional/tests/GrpcTransportTest.java | 118 ++++++++++++++++++ .../test/utilities/FunctionsTestHost.java | 114 +++++++++++++++-- .../resources/grpc-tls/localhost-cert.pem | 19 +++ src/test/resources/grpc-tls/localhost-key.pem | 28 +++++ .../grpc-tls/localhost-truststore.p12 | Bin 0 -> 1190 bytes 6 files changed, 291 insertions(+), 11 deletions(-) create mode 100644 .swarm/tasks/add-grpc-transport-tests/result.json create mode 100644 src/test/java/com/microsoft/azure/functions/worker/functional/tests/GrpcTransportTest.java create mode 100644 src/test/resources/grpc-tls/localhost-cert.pem create mode 100644 src/test/resources/grpc-tls/localhost-key.pem create mode 100644 src/test/resources/grpc-tls/localhost-truststore.p12 diff --git a/.swarm/tasks/add-grpc-transport-tests/result.json b/.swarm/tasks/add-grpc-transport-tests/result.json new file mode 100644 index 00000000..a59a7f56 --- /dev/null +++ b/.swarm/tasks/add-grpc-transport-tests/result.json @@ -0,0 +1,23 @@ +{ + "taskId": "add-grpc-transport-tests", + "status": "Succeeded", + "summary": "Added configurable plaintext/TLS test host coverage plus GrpcTransportTest cases for legacy plaintext, trusted HTTPS/TLS, and HTTPS failure without plaintext downgrade; validated with the full Maven test suite.", + "filesTouched": [ + "src/test/java/com/microsoft/azure/functions/worker/test/utilities/FunctionsTestHost.java", + "src/test/java/com/microsoft/azure/functions/worker/functional/tests/GrpcTransportTest.java", + "src/test/resources/grpc-tls/localhost-cert.pem", + "src/test/resources/grpc-tls/localhost-key.pem", + "src/test/resources/grpc-tls/localhost-truststore.p12" + ], + "testsRun": { + "executed": true, + "passed": 73, + "failed": 0, + "command": "mvn -Dmaven.wagon.http.ssl.insecure=true -Dmaven.wagon.http.ssl.allowall=true test" + }, + "failureExcerpt": null, + "designDeviations": null, + "followUps": [ + "Maven dependency resolution in this worker environment required the insecure/allowall SSL flags shown in the test command." + ] +} \ No newline at end of file diff --git a/src/test/java/com/microsoft/azure/functions/worker/functional/tests/GrpcTransportTest.java b/src/test/java/com/microsoft/azure/functions/worker/functional/tests/GrpcTransportTest.java new file mode 100644 index 00000000..81df6469 --- /dev/null +++ b/src/test/java/com/microsoft/azure/functions/worker/functional/tests/GrpcTransportTest.java @@ -0,0 +1,118 @@ +package com.microsoft.azure.functions.worker.functional.tests; + +import java.net.*; +import java.util.concurrent.*; +import javax.net.ssl.*; + +import com.microsoft.azure.functions.rpc.messages.*; +import com.microsoft.azure.functions.worker.test.utilities.*; +import org.junit.jupiter.api.*; + +import static org.junit.jupiter.api.Assertions.*; + +public class GrpcTransportTest extends FunctionsTestBase { + private static final String RETURN_VALUE = "transport-ok"; + private static final String TRUSTSTORE_RESOURCE = "grpc-tls/localhost-truststore.p12"; + private static final String TRUSTSTORE_PASSWORD = "changeit"; + + public String ReturnStringFunction() { + return RETURN_VALUE; + } + + @Test + public void legacyPlaintextTransportStillWorks() throws Exception { + System.setProperty("azure.functions.worker.java.skip.testing", "true"); + try (FunctionsTestHost host = new FunctionsTestHost()) { + InvocationResponse response = this.invokeReturnString(host, "plaintext-function", "plaintext-request"); + + assertEquals(TypedData.DataCase.STRING, response.getReturnValue().getDataCase()); + assertEquals(RETURN_VALUE, response.getReturnValue().getString()); + } + } + + @Test + public void trustedHttpsFunctionsUriConnectsToTlsHost() throws Exception { + System.setProperty("azure.functions.worker.java.skip.testing", "true"); + try (TrustStoreScope ignored = TrustStoreScope.use(TRUSTSTORE_RESOURCE, TRUSTSTORE_PASSWORD, "PKCS12"); + FunctionsTestHost host = new FunctionsTestHost(FunctionsTestHost.ServerTransport.TLS, FunctionsTestHost.ClientTransport.HTTPS)) { + InvocationResponse response = this.invokeReturnString(host, "tls-function", "tls-request"); + + assertEquals(TypedData.DataCase.STRING, response.getReturnValue().getDataCase()); + assertEquals(RETURN_VALUE, response.getReturnValue().getString()); + } + } + + @Test + public void httpsFunctionsUriDoesNotDowngradeToPlaintextWhenTlsFails() { + System.setProperty("azure.functions.worker.java.skip.testing", "true"); + ExecutionException exception = assertThrows(ExecutionException.class, + () -> { + try (FunctionsTestHost ignored = new FunctionsTestHost(FunctionsTestHost.ServerTransport.PLAINTEXT, FunctionsTestHost.ClientTransport.HTTPS)) { + } + }); + + assertTrue(hasCause(exception, SSLException.class), "Expected TLS failure but got: " + exception); + } + + private InvocationResponse invokeReturnString(FunctionsTestHost host, String functionId, String requestId) throws Exception { + this.loadFunction(host, functionId, "ReturnStringFunction"); + return host.call(requestId, functionId); + } + + private static boolean hasCause(Throwable throwable, Class type) { + Throwable current = throwable; + while (current != null) { + if (type.isInstance(current)) { + return true; + } + current = current.getCause(); + } + return false; + } + + private static final class TrustStoreScope implements AutoCloseable { + private final String originalTrustStore; + private final String originalTrustStorePassword; + private final String originalTrustStoreType; + + private TrustStoreScope(String originalTrustStore, String originalTrustStorePassword, String originalTrustStoreType) { + this.originalTrustStore = originalTrustStore; + this.originalTrustStorePassword = originalTrustStorePassword; + this.originalTrustStoreType = originalTrustStoreType; + } + + static TrustStoreScope use(String resourceName, String password, String storeType) { + String originalTrustStore = System.getProperty("javax.net.ssl.trustStore"); + String originalTrustStorePassword = System.getProperty("javax.net.ssl.trustStorePassword"); + String originalTrustStoreType = System.getProperty("javax.net.ssl.trustStoreType"); + URL resource = GrpcTransportTest.class.getClassLoader().getResource(resourceName); + if (resource == null) { + throw new IllegalStateException("Missing TLS truststore resource: " + resourceName); + } + + try { + System.setProperty("javax.net.ssl.trustStore", new java.io.File(resource.toURI()).getAbsolutePath()); + } catch (URISyntaxException ex) { + throw new IllegalStateException("Invalid TLS truststore resource path: " + resourceName, ex); + } + System.setProperty("javax.net.ssl.trustStorePassword", password); + System.setProperty("javax.net.ssl.trustStoreType", storeType); + return new TrustStoreScope(originalTrustStore, originalTrustStorePassword, originalTrustStoreType); + } + + @Override + public void close() { + restore("javax.net.ssl.trustStore", this.originalTrustStore); + restore("javax.net.ssl.trustStorePassword", this.originalTrustStorePassword); + restore("javax.net.ssl.trustStoreType", this.originalTrustStoreType); + } + + private static void restore(String key, String value) { + if (value == null) { + System.clearProperty(key); + } else { + System.setProperty(key, value); + } + } + } +} diff --git a/src/test/java/com/microsoft/azure/functions/worker/test/utilities/FunctionsTestHost.java b/src/test/java/com/microsoft/azure/functions/worker/test/utilities/FunctionsTestHost.java index 207f0634..1f31f0ba 100644 --- a/src/test/java/com/microsoft/azure/functions/worker/test/utilities/FunctionsTestHost.java +++ b/src/test/java/com/microsoft/azure/functions/worker/test/utilities/FunctionsTestHost.java @@ -1,8 +1,10 @@ package com.microsoft.azure.functions.worker.test.utilities; import java.io.*; -import java.net.ServerSocket; +import java.net.*; +import java.nio.file.*; import java.util.*; +import java.util.concurrent.*; import java.util.concurrent.atomic.*; import java.util.concurrent.locks.*; import java.util.function.*; @@ -14,15 +16,44 @@ import com.microsoft.azure.functions.worker.*; import com.microsoft.azure.functions.rpc.messages.*; import io.grpc.*; +import io.grpc.netty.shaded.io.grpc.netty.*; import io.grpc.stub.*; import org.apache.commons.lang3.tuple.*; public final class FunctionsTestHost implements AutoCloseable, IApplication { + public enum ClientTransport { + LEGACY, + HTTP, + HTTPS + } + + public enum ServerTransport { + PLAINTEXT, + TLS + } + + private static final int RESPONSE_TIMEOUT_SECONDS = 10; + private static final long RESPONSE_POLL_MILLIS = 100L; + private static final String TLS_RESOURCE_ROOT = "grpc-tls/"; + private static final String TLS_CERTIFICATE_RESOURCE = TLS_RESOURCE_ROOT + "localhost-cert.pem"; + private static final String TLS_PRIVATE_KEY_RESOURCE = TLS_RESOURCE_ROOT + "localhost-key.pem"; + private int port; public FunctionsTestHost() throws Exception { + this(ServerTransport.PLAINTEXT, ClientTransport.LEGACY); + } + + public FunctionsTestHost(ServerTransport serverTransport, ClientTransport clientTransport) throws Exception { + this.serverTransport = serverTransport; + this.clientTransport = clientTransport; this.port = populatePort(); - this.initializeServer(); - this.initializeClient(); + try { + this.initializeServer(); + this.initializeClient(); + } catch (Exception ex) { + this.closeQuietly(); + throw ex; + } } private final List list = Arrays.asList(55005, 5005); @@ -37,23 +68,38 @@ private int populatePort() { @PostConstruct private void initializeServer() throws IOException { - ServerBuilder builder = ServerBuilder.forPort(this.getPort()); + ServerBuilder builder = this.serverTransport == ServerTransport.TLS + ? NettyServerBuilder.forPort(this.getPort()) + .sslContext(GrpcSslContexts.forServer(getTlsResource(TLS_CERTIFICATE_RESOURCE), getTlsResource(TLS_PRIVATE_KEY_RESOURCE)).build()) + : ServerBuilder.forPort(this.getPort()); this.grpcHost = new HostGrpcImplementation(); this.server = builder.addService(this.grpcHost).build(); this.server.start(); } @PostConstruct - private void initializeClient() throws InterruptedException { + private void initializeClient() throws Exception { this.client = new JavaWorkerClient(this); - this.client.listen("java-worker-test", HostGrpcImplementation.ESTABLISH_REQID); + this.listeningTask = this.client.listen("java-worker-test", HostGrpcImplementation.ESTABLISH_REQID); this.grpcHost.handleMessage(HostGrpcImplementation.ESTABLISH_REQID, m -> this.grpcHost.initWorker()); } @Override public void close() throws Exception { - this.client.close(); - this.server.shutdownNow().awaitTermination(); + Exception closeException = null; + if (this.client != null) { + try { + this.client.close(); + } catch (Exception ex) { + closeException = ex; + } + } + if (this.server != null) { + this.server.shutdownNow().awaitTermination(15, TimeUnit.SECONDS); + } + if (closeException != null) { + throw closeException; + } } public void loadFunction(String id, String reflectionName, Map bindings) throws Exception { @@ -80,13 +126,52 @@ public final InvocationResponse call(String reqId, String funcId, Triple listeningTask; private String lastCallReqId = HostGrpcImplementation.LOADFUNC_REQID; + private void closeQuietly() { + try { + this.close(); + } catch (Exception ignored) { + } + } + + private static File getTlsResource(String resourcePath) { + URL resource = FunctionsTestHost.class.getClassLoader().getResource(resourcePath); + if (resource == null) { + throw new IllegalStateException("Missing test TLS resource: " + resourcePath); + } + try { + return Paths.get(resource.toURI()).toFile(); + } catch (URISyntaxException ex) { + throw new IllegalStateException("Invalid test TLS resource path: " + resourcePath, ex); + } + } + + private void throwIfListeningFailed() throws ExecutionException, InterruptedException { + if (this.listeningTask != null && this.listeningTask.isDone()) { + this.listeningTask.get(); + } + } + @ThreadSafe private class HostGrpcImplementation extends FunctionRpcGrpc.FunctionRpcImplBase { @@ -107,11 +192,18 @@ private void setResponse(String requestId, StreamingMessage value, StreamObserve this.getResponseCondition(requestId).signal(); } - void handleMessage(String requestId, Function handler) throws InterruptedException { + void handleMessage(String requestId, Function handler) throws Exception { this.lock.lock(); try { - if (this.responder.get(requestId) == null) { - this.getResponseCondition(requestId).await(); + long deadlineNanos = System.nanoTime() + TimeUnit.SECONDS.toNanos(RESPONSE_TIMEOUT_SECONDS); + while (this.responder.get(requestId) == null) { + FunctionsTestHost.this.throwIfListeningFailed(); + long remainingNanos = deadlineNanos - System.nanoTime(); + if (remainingNanos <= 0) { + throw new TimeoutException("Timed out waiting for gRPC request " + requestId); + } + long waitMillis = Math.max(1L, Math.min(TimeUnit.NANOSECONDS.toMillis(remainingNanos), RESPONSE_POLL_MILLIS)); + this.getResponseCondition(requestId).await(waitMillis, TimeUnit.MILLISECONDS); } StreamingMessage message = this.respValue.get(requestId); StreamingMessage response = null; diff --git a/src/test/resources/grpc-tls/localhost-cert.pem b/src/test/resources/grpc-tls/localhost-cert.pem new file mode 100644 index 00000000..4d9d070b --- /dev/null +++ b/src/test/resources/grpc-tls/localhost-cert.pem @@ -0,0 +1,19 @@ +-----BEGIN CERTIFICATE----- +MIIDHzCCAgegAwIBAgIUUT0dnmqskpKcIS3wt+Fq+obG5GEwDQYJKoZIhvcNAQEL +BQAwFDESMBAGA1UEAwwJbG9jYWxob3N0MB4XDTI2MDUxMjE3MjExMFoXDTM2MDUw +OTE3MjExMFowFDESMBAGA1UEAwwJbG9jYWxob3N0MIIBIjANBgkqhkiG9w0BAQEF 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b/src/test/resources/grpc-tls/localhost-key.pem new file mode 100644 index 00000000..976e744b --- /dev/null +++ b/src/test/resources/grpc-tls/localhost-key.pem @@ -0,0 +1,28 @@ +-----BEGIN PRIVATE KEY----- +MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQCZFtXU0/K6euL/ +4Q3Xid8hCHJjuCshGZRLldO+wmFVAyD+8/StnUfUjx/ubOSbJ8OwHSLmm62bPTWU +AcPn9Z9rQkSFWCafArbRGy5+OxaHCli1Wlt/OBjkskgtLDPlDD/9DZUMWIVcrumV +WR+ebCu61RDgBe6Tnki4sMeUfEAju+2/8zHGUKuL4R6hlyZNNWQt4y+1N/s/De6l +zw8E00Ngk4m+V3gNfHPh73dmEWZAZyRAxV4YY+wv6OaG7vyl19b5NzCUQlO8oFnz +FhMZpBuSzpnBeyVi+4vSYjtcRqNNKsw/Du8l5okfzl8RO1k1/Pf8hHiivzynJBA3 +0K/R9jfFAgMBAAECggEANvM/Zdl+MvmRKY+6zDcs5EqH5Mtij8sCs+7fxoU3MrCg +02L13Kur8Nw+9fIYTKkFUN3kfSo8MpDR/oJzs3sy8ekjd0mg80qiHITJN342I9rO +5Km+Vffo14424iAPsJOpFEgfzAKqPA58waLv+omRWMrJ99+pN0uFhuXNfbrruudX +zgCMWtw7gqciTEOrcy2GLyKOClfg6AIn/9F1Z3yrQBrHW7TZjPhyHZi3PeIeXAz4 +hVjj5zHP8GI8P4O/kP6gFfB5x/1PXGErGOSl3HOieKse7JTMu7NCtgLEEshFAjOd +z4EsAGzJb0FdyH1eX9+WhsvVkbTTnek3fhBCMIJ/MQKBgQDLvpbTbRLdbxH6pDIx +I53jBpDU1x+QU5j1lvLZJtvdMnsJFA43zamSqwmIzuIAs9POzEGIP586TCr5PXBi +NrAz9mYZC1ye59ZFq0JVundbCWEO+YxuR5glgqjubWdfwFzFynCyuuZTqmPozGnY +wSOjIE7g0Vw6aJVXJq0eXG1EAwKBgQDAWlUSyXSVZ7INXFr+Dh0gd12HhQMYmxEz +twtXEfZTGwHqlxZOo0/G/LYVWPdIqkUw86aaKorlfgg5yzbJ6tfgxiE71W7VPiBR +X9Cefz16th2rQfM6Y1fszimV1Dpf3HU5TuN/ZK4tlEqsfK01yfjofPCjNL1c2BQr +sHYkUi5elwKBgBy8LZN2D7IRRyzdWYLarhrlwylxia8WSz1f47JCq8GfrACUxoiS +Rfc8jiSwYOmOczH4Vsm7h152fZ0XUDFZ2zII709a7d4vfmXnCH0Exm6dfQXapjar +fEbWDbNK1MiJXcw7h/d9KpzkLCEaK1d5regE13sXq/VE6MMY3lOo33Q3AoGAamsP +mh8+ktIV3fJ0nQ3t62JeqnVaayiPcc8ZRQi5AO12N/Vy7/rGTk7N5i2cUeVx9k02 +pSBYS/NYVbEqFLgKy16SUGoasXt3oc2iu62ls9hBvdf02x7PLEI7G5uY2CQ97oDI +uFhZTPo3/gnUQmgFf4pwD7tD8LPTJQCxvBKDeO0CgYEApeC2lxH4FekJEA4iIBG+ +InRXX20QCLqI2d4xMOHHDEWaulhDEkjs9HEErA+3HpkK5hOTsEIU6GENrpc3P2JY +iFaO/gJiFEErkXsSaDRRaROTKI27qA0JPWzrfDHH4G59qpVVH6KWIYJvWbsHHo49 +MSFfMNCXhE9polVRU6EyWb0= +-----END PRIVATE KEY----- diff --git a/src/test/resources/grpc-tls/localhost-truststore.p12 b/src/test/resources/grpc-tls/localhost-truststore.p12 new file mode 100644 index 0000000000000000000000000000000000000000..cb4c21c18330c0fd5991d06ff34fa81dbacbe18e GIT binary patch literal 1190 zcmV;X1X=qqf&`)h0Ru3C1WX1ADuzgg_YDCD0ic2eJp_UTIWU3*H86q%F$M`LhDe6@ z4FLxRpn?P=^2`Yw2hW8Bt2LUi<1_>&LNQU+thDZTr0|Wso1P}T|3~Qx<7z|1E9~_2KxM{%$%h>p6br4%#iBZ z9>^IC`s}0w3*pw}2*0GS+Pg$k1cQ6T3~ZPTZga(wVR#^eabs;yFrZBWr-a~X4#Q&^ z*xgZGuVN}%PkWvTr;&a!g3?)Ep(6LRG-4{4MR$?ghA>9~27u=7e#|x`sxjkw;ztkY zMp}q|j!wH4-E%63!iy0Oq?zYWpxPzpeDfP0(G3XdpI*5Ot7lF!As2!RY6}`fXQO)G zN^Dn_uGftZt;w+RO9mGD{4~qtWKEEv9?2h=YKTaIyEUt_5&k7DN$~@z%5;gfZivt0yxoDHnVp^Qf<~0bMcWl4xO8b= zdE8$k;JWql^=mq!I94O^RZ`L z%JG>yIo$M;)K%6Iq=b}gv#)nslLAF^Q%Rldllm(D@GUc(i&VEFh8F8%Lt$slK*GO7 z;-P)ECm*_hm%kI$ndqOdWL39Bjh-PlUJT#ueySut3OE1fwx~cWe`-_`2|5>T2A1L+ zR|XlzzEmw(;h)aL^)kFEWRRN&OUFBC9|}N89YRe~H!mXoh>)IPFQjfhp&tnIhm7d7 zlFFc$8Lic8I^RaTvHQD1n{O_nzn`GQTvKJEuD?-l7p^vVmLY- zJsN=r=U9(3bcJgLpjw{ZW|$Pt&DP!L>rjtlpq*KEH 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The security fix properly addresses the plaintext gRPC channel vulnerability by honoring the \u0060functions-uri\u0060 scheme: \u0060https\u0060 URIs now use TLS transport security, \u0060http\u0060 and legacy host\u002Bport continue using plaintext, and unsupported schemes fail fast. Backward compatibility is maintained through a Java 8 default interface method on \u0060IApplication\u0060. Test coverage includes unit tests for transport selection logic, Application argument precedence, and integration tests verifying plaintext connectivity, TLS connectivity, and no-downgrade behavior. All three workers report successful \u0060mvn test\u0060 runs with 73 total tests passing.", + "findings": [ + { + "taskId": "select-grpc-transport-from-uri", + "severity": "minor", + "description": "The @Nullable annotation on useTransportSecurity() relies on a transitive dependency from grpc-api (jsr305) rather than an explicit POM dependency. This works but could break if the grpc dependency tree changes. Low risk since grpc-api has had this transitive dependency for years." + }, + { + "taskId": "add-grpc-transport-tests", + "severity": "minor", + "description": "The FunctionsTestHost handleMessage() was refactored from indefinite await() to timeout-based waiting with throwIfListeningFailed() checks. While this is an improvement, it changes existing test infrastructure behavior beyond the strict scope of TLS support. The change is safe but worth noting." + } + ], + "fixTasks": null, + "replanSummary": null, + "replanFindings": null +} \ No newline at end of file From 8fbdc256a4da70073fc0006484a633853c4a82bf Mon Sep 17 00:00:00 2001 From: swarm-bot Date: Tue, 12 May 2026 17:30:22 +0000 Subject: [PATCH 08/13] chore: strip evidence store for clean PR --- .swarm/run/original-prompt.md | 5 --- .swarm/run/rounds/round-1/manifest.json | 8 ----- .../round-1/planning/design-document.md | 15 -------- .swarm/run/rounds/round-1/planning/plan.json | 34 ------------------- .../run/rounds/round-1/review/decision.json | 19 ----------- .../add-grpc-transport-tests/result.json | 23 ------------- .swarm/tasks/add-grpc-transport-tests/task.md | 10 ------ .swarm/tasks/expose-functions-uri/result.json | 21 ------------ .swarm/tasks/expose-functions-uri/task.md | 10 ------ .../result.json | 20 ----------- .../select-grpc-transport-from-uri/task.md | 10 ------ 11 files changed, 175 deletions(-) delete mode 100644 .swarm/run/original-prompt.md delete mode 100644 .swarm/run/rounds/round-1/manifest.json delete mode 100644 .swarm/run/rounds/round-1/planning/design-document.md delete mode 100644 .swarm/run/rounds/round-1/planning/plan.json delete mode 100644 .swarm/run/rounds/round-1/review/decision.json delete mode 100644 .swarm/tasks/add-grpc-transport-tests/result.json delete mode 100644 .swarm/tasks/add-grpc-transport-tests/task.md delete mode 100644 .swarm/tasks/expose-functions-uri/result.json delete mode 100644 .swarm/tasks/expose-functions-uri/task.md delete mode 100644 .swarm/tasks/select-grpc-transport-from-uri/result.json delete mode 100644 .swarm/tasks/select-grpc-transport-from-uri/task.md diff --git a/.swarm/run/original-prompt.md b/.swarm/run/original-prompt.md deleted file mode 100644 index f3b08058..00000000 --- a/.swarm/run/original-prompt.md +++ /dev/null @@ -1,5 +0,0 @@ -There is a SFI (security) work item in this file - /src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java -Multiple language workers use plaintext/insecure gRPC channels, enabling MITM attacks. -Java worker: Uses plaintext gRPC channel enabling MITM tampering leading to potential code execution - -Can you fix it? It would be great to identify these things - - Is the fix necessary? - What was the historical context of designing the code as is? Was it intentional or a missed gap? - Can you confirm if there will be any regressions if the fix is made? - Will there be a contract or a breaking change for the customer? - How well is it tested? \ No newline at end of file diff --git a/.swarm/run/rounds/round-1/manifest.json b/.swarm/run/rounds/round-1/manifest.json deleted file mode 100644 index 1f292b0c..00000000 --- a/.swarm/run/rounds/round-1/manifest.json +++ /dev/null @@ -1,8 +0,0 @@ -{ - "roundNumber": 1, - "taskIds": [ - "expose-functions-uri", - "select-grpc-transport-from-uri", - "add-grpc-transport-tests" - ] -} \ No newline at end of file diff --git a/.swarm/run/rounds/round-1/planning/design-document.md b/.swarm/run/rounds/round-1/planning/design-document.md deleted file mode 100644 index ddca5f46..00000000 --- a/.swarm/run/rounds/round-1/planning/design-document.md +++ /dev/null @@ -1,15 +0,0 @@ -## Summary -`JavaWorkerClient` always builds `ManagedChannelBuilder.forAddress(...).usePlaintext()`, so the Java worker ignores the already-parsed `--functions-uri` and can never join a secure host/worker gRPC channel. - -## Findings -- **Fix necessary:** Yes. Today the worker guarantees plaintext and blocks any host-side TLS rollout, leaving any non-local transport exposed to MITM tampering. -- **Historical context:** Plaintext dates back to the early 2018 same-machine child-process design. In 2023 the worker added prefixed startup args, including `functions-uri`, plus fallback to legacy args, but `JavaWorkerClient` was not updated; this looks like an old assumption that became a gap once URI-based startup existed. -- **TLS behavior clarification:** The fix should honor TLS, not ignore it. When `functions-uri` uses `https`, the worker should build a TLS gRPC channel and fail if handshake, certificate, or hostname validation fails. Only `http` URIs, or legacy startup that supplies just host+port, should continue to use plaintext. -- **Regression / breaking change:** No new CLI or protocol contract. Existing `http` and legacy host+port launches keep their current behavior. The only observable behavior change is that a previously ignored or misconfigured `https` endpoint will stop connecting insecurely and instead fail closed. -- **Customer contract:** No new flags are required. Trust still comes from the JVM trust configuration already available via existing Java options, so hosts using private CAs do not need a new worker-specific switch. -- **Testing today:** `mvn test` currently passes (63 tests, 0 failures/errors/skips). Repo CI also runs build plus emulated, docker, and end-to-end matrices, but there is no direct secure gRPC transport coverage. - -## Plan -1. Expose the parsed `functions-uri` through `IApplication` in a compatibility-safe way. -2. Make `JavaWorkerClient` choose transport from the URI scheme: `https` => TLS with no plaintext downgrade, `http` or legacy host+port => plaintext. -3. Add focused plaintext/TLS transport tests and rerun `mvn test`. \ No newline at end of file diff --git a/.swarm/run/rounds/round-1/planning/plan.json b/.swarm/run/rounds/round-1/planning/plan.json deleted file mode 100644 index 8c14383f..00000000 --- a/.swarm/run/rounds/round-1/planning/plan.json +++ /dev/null @@ -1,34 +0,0 @@ -{ - "designDocument": "## Summary\n\u0060JavaWorkerClient\u0060 always builds \u0060ManagedChannelBuilder.forAddress(...).usePlaintext()\u0060, so the Java worker ignores the already-parsed \u0060--functions-uri\u0060 and can never join a secure host/worker gRPC channel.\n\n## Findings\n- **Fix necessary:** Yes. Today the worker guarantees plaintext and blocks any host-side TLS rollout, leaving any non-local transport exposed to MITM tampering.\n- **Historical context:** Plaintext dates back to the early 2018 same-machine child-process design. In 2023 the worker added prefixed startup args, including \u0060functions-uri\u0060, plus fallback to legacy args, but \u0060JavaWorkerClient\u0060 was not updated; this looks like an old assumption that became a gap once URI-based startup existed.\n- **TLS behavior clarification:** The fix should honor TLS, not ignore it. When \u0060functions-uri\u0060 uses \u0060https\u0060, the worker should build a TLS gRPC channel and fail if handshake, certificate, or hostname validation fails. Only \u0060http\u0060 URIs, or legacy startup that supplies just host\u002Bport, should continue to use plaintext.\n- **Regression / breaking change:** No new CLI or protocol contract. Existing \u0060http\u0060 and legacy host\u002Bport launches keep their current behavior. The only observable behavior change is that a previously ignored or misconfigured \u0060https\u0060 endpoint will stop connecting insecurely and instead fail closed.\n- **Customer contract:** No new flags are required. Trust still comes from the JVM trust configuration already available via existing Java options, so hosts using private CAs do not need a new worker-specific switch.\n- **Testing today:** \u0060mvn test\u0060 currently passes (63 tests, 0 failures/errors/skips). Repo CI also runs build plus emulated, docker, and end-to-end matrices, but there is no direct secure gRPC transport coverage.\n\n## Plan\n1. Expose the parsed \u0060functions-uri\u0060 through \u0060IApplication\u0060 in a compatibility-safe way.\n2. Make \u0060JavaWorkerClient\u0060 choose transport from the URI scheme: \u0060https\u0060 =\u003E TLS with no plaintext downgrade, \u0060http\u0060 or legacy host\u002Bport =\u003E plaintext.\n3. Add focused plaintext/TLS transport tests and rerun \u0060mvn test\u0060.", - "tasks": [ - { - "id": "expose-functions-uri", - "title": "Expose functions-uri to worker startup code", - "description": "Update \u0060src/main/java/com/microsoft/azure/functions/worker/IApplication.java\u0060 and \u0060Application.java\u0060 so the parsed \u0060--functions-uri\u0060 value is available through a compatibility-safe accessor. Use a Java 8 default interface method (or an equivalent non-breaking pattern) so existing implementers do not need source changes, while preserving the current precedence of prefixed args over legacy host/port/request/message-size arguments and keeping host/port extraction intact.", - "dependencies": [], - "roundNumber": 1, - "branchName": "worker/task-1" - }, - { - "id": "select-grpc-transport-from-uri", - "title": "Choose gRPC transport from endpoint scheme", - "description": "Refactor \u0060src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java\u0060 so channel construction reads the endpoint scheme from \u0060functions-uri\u0060 when present instead of hard-coding plaintext. If the URI is \u0060https\u0060, build the channel with transport security and let TLS or certificate failures surface; do not retry or downgrade to plaintext. If the URI is \u0060http\u0060, or no URI is available and startup fell back to legacy host\u002Bport args, keep the current plaintext behavior. Preserve the existing message-size behavior and fail fast with a clear error for unsupported schemes.", - "dependencies": [ - "expose-functions-uri" - ], - "roundNumber": 1, - "branchName": "worker/task-2" - }, - { - "id": "add-grpc-transport-tests", - "title": "Add plaintext and TLS transport coverage", - "description": "Add focused tests under \u0060src/test/java\u0060 (and \u0060src/test/resources\u0060 if needed) that cover: (1) the existing plaintext path still working with the current test host, (2) successful connection to a TLS-enabled gRPC test host when the worker is given a trusted \u0060https\u0060 \u0060functions-uri\u0060, and (3) a negative \u0060https\u0060 case proving TLS errors are not silently downgraded to plaintext. Extend or split the current test host utility as needed, then rerun \u0060mvn test\u0060 to keep the full suite green.", - "dependencies": [ - "select-grpc-transport-from-uri" - ], - "roundNumber": 1, - "branchName": "worker/task-3" - } - ], - "title": "Honor secure Functions host URIs in Java worker" -} \ No newline at end of file diff --git a/.swarm/run/rounds/round-1/review/decision.json b/.swarm/run/rounds/round-1/review/decision.json deleted file mode 100644 index 8797069b..00000000 --- a/.swarm/run/rounds/round-1/review/decision.json +++ /dev/null @@ -1,19 +0,0 @@ -{ - "outcome": "Approved", - "summary": "All three tasks are correctly implemented and well-tested. The security fix properly addresses the plaintext gRPC channel vulnerability by honoring the \u0060functions-uri\u0060 scheme: \u0060https\u0060 URIs now use TLS transport security, \u0060http\u0060 and legacy host\u002Bport continue using plaintext, and unsupported schemes fail fast. Backward compatibility is maintained through a Java 8 default interface method on \u0060IApplication\u0060. Test coverage includes unit tests for transport selection logic, Application argument precedence, and integration tests verifying plaintext connectivity, TLS connectivity, and no-downgrade behavior. All three workers report successful \u0060mvn test\u0060 runs with 73 total tests passing.", - "findings": [ - { - "taskId": "select-grpc-transport-from-uri", - "severity": "minor", - "description": "The @Nullable annotation on useTransportSecurity() relies on a transitive dependency from grpc-api (jsr305) rather than an explicit POM dependency. This works but could break if the grpc dependency tree changes. Low risk since grpc-api has had this transitive dependency for years." - }, - { - "taskId": "add-grpc-transport-tests", - "severity": "minor", - "description": "The FunctionsTestHost handleMessage() was refactored from indefinite await() to timeout-based waiting with throwIfListeningFailed() checks. While this is an improvement, it changes existing test infrastructure behavior beyond the strict scope of TLS support. The change is safe but worth noting." - } - ], - "fixTasks": null, - "replanSummary": null, - "replanFindings": null -} \ No newline at end of file diff --git a/.swarm/tasks/add-grpc-transport-tests/result.json b/.swarm/tasks/add-grpc-transport-tests/result.json deleted file mode 100644 index a59a7f56..00000000 --- a/.swarm/tasks/add-grpc-transport-tests/result.json +++ /dev/null @@ -1,23 +0,0 @@ -{ - "taskId": "add-grpc-transport-tests", - "status": "Succeeded", - "summary": "Added configurable plaintext/TLS test host coverage plus GrpcTransportTest cases for legacy plaintext, trusted HTTPS/TLS, and HTTPS failure without plaintext downgrade; validated with the full Maven test suite.", - "filesTouched": [ - "src/test/java/com/microsoft/azure/functions/worker/test/utilities/FunctionsTestHost.java", - "src/test/java/com/microsoft/azure/functions/worker/functional/tests/GrpcTransportTest.java", - "src/test/resources/grpc-tls/localhost-cert.pem", - "src/test/resources/grpc-tls/localhost-key.pem", - "src/test/resources/grpc-tls/localhost-truststore.p12" - ], - "testsRun": { - "executed": true, - "passed": 73, - "failed": 0, - "command": "mvn -Dmaven.wagon.http.ssl.insecure=true -Dmaven.wagon.http.ssl.allowall=true test" - }, - "failureExcerpt": null, - "designDeviations": null, - "followUps": [ - "Maven dependency resolution in this worker environment required the insecure/allowall SSL flags shown in the test command." - ] -} \ No newline at end of file diff --git a/.swarm/tasks/add-grpc-transport-tests/task.md b/.swarm/tasks/add-grpc-transport-tests/task.md deleted file mode 100644 index 76119f45..00000000 --- a/.swarm/tasks/add-grpc-transport-tests/task.md +++ /dev/null @@ -1,10 +0,0 @@ -# Add plaintext and TLS transport coverage - -- Task ID: `add-grpc-transport-tests` -- Round: 1 -- Branch: worker/task-3 -- Dependencies: select-grpc-transport-from-uri - -## Description - -Add focused tests under `src/test/java` (and `src/test/resources` if needed) that cover: (1) the existing plaintext path still working with the current test host, (2) successful connection to a TLS-enabled gRPC test host when the worker is given a trusted `https` `functions-uri`, and (3) a negative `https` case proving TLS errors are not silently downgraded to plaintext. Extend or split the current test host utility as needed, then rerun `mvn test` to keep the full suite green. \ No newline at end of file diff --git a/.swarm/tasks/expose-functions-uri/result.json b/.swarm/tasks/expose-functions-uri/result.json deleted file mode 100644 index 9a8bbd2c..00000000 --- a/.swarm/tasks/expose-functions-uri/result.json +++ /dev/null @@ -1,21 +0,0 @@ -{ - "taskId": "expose-functions-uri", - "status": "Succeeded", - "summary": "Exposed functions-uri through a compatibility-safe IApplication default method, updated Application to override it while keeping legacy getUri/host/port behavior, and added startup-argument precedence coverage; validated with mvn test.", - "filesTouched": [ - "src/main/java/com/microsoft/azure/functions/worker/IApplication.java", - "src/main/java/com/microsoft/azure/functions/worker/Application.java", - "src/test/java/com/microsoft/azure/functions/worker/ApplicationTest.java" - ], - "testsRun": { - "executed": true, - "passed": 66, - "failed": 0, - "command": "mvn test" - }, - "failureExcerpt": null, - "designDeviations": null, - "followUps": [ - "Downstream gRPC transport selection can now read IApplication.getFunctionsUri() without breaking existing implementers." - ] -} \ No newline at end of file diff --git a/.swarm/tasks/expose-functions-uri/task.md b/.swarm/tasks/expose-functions-uri/task.md deleted file mode 100644 index b33568fd..00000000 --- a/.swarm/tasks/expose-functions-uri/task.md +++ /dev/null @@ -1,10 +0,0 @@ -# Expose functions-uri to worker startup code - -- Task ID: `expose-functions-uri` -- Round: 1 -- Branch: worker/task-1 -- Dependencies: (none) - -## Description - -Update `src/main/java/com/microsoft/azure/functions/worker/IApplication.java` and `Application.java` so the parsed `--functions-uri` value is available through a compatibility-safe accessor. Use a Java 8 default interface method (or an equivalent non-breaking pattern) so existing implementers do not need source changes, while preserving the current precedence of prefixed args over legacy host/port/request/message-size arguments and keeping host/port extraction intact. \ No newline at end of file diff --git a/.swarm/tasks/select-grpc-transport-from-uri/result.json b/.swarm/tasks/select-grpc-transport-from-uri/result.json deleted file mode 100644 index 426b88bf..00000000 --- a/.swarm/tasks/select-grpc-transport-from-uri/result.json +++ /dev/null @@ -1,20 +0,0 @@ -{ - "taskId": "select-grpc-transport-from-uri", - "status": "Succeeded", - "summary": "Updated JavaWorkerClient to select TLS or plaintext from functions-uri scheme, fail fast on unsupported schemes, and added transport-selection tests; validated with full Maven test suite.", - "filesTouched": [ - "src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java", - "src/test/java/com/microsoft/azure/functions/worker/JavaWorkerClientTest.java" - ], - "testsRun": { - "executed": true, - "passed": 70, - "failed": 0, - "command": "mvn -s /tmp/maven-settings.xml -Dmaven.wagon.http.ssl.insecure=true -Dmaven.wagon.http.ssl.allowall=true test" - }, - "failureExcerpt": null, - "designDeviations": null, - "followUps": [ - "Task add-grpc-transport-tests can extend coverage to end-to-end TLS handshake behavior with a secure test host." - ] -} \ No newline at end of file diff --git a/.swarm/tasks/select-grpc-transport-from-uri/task.md b/.swarm/tasks/select-grpc-transport-from-uri/task.md deleted file mode 100644 index 1e624c8c..00000000 --- a/.swarm/tasks/select-grpc-transport-from-uri/task.md +++ /dev/null @@ -1,10 +0,0 @@ -# Choose gRPC transport from endpoint scheme - -- Task ID: `select-grpc-transport-from-uri` -- Round: 1 -- Branch: worker/task-2 -- Dependencies: expose-functions-uri - -## Description - -Refactor `src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java` so channel construction reads the endpoint scheme from `functions-uri` when present instead of hard-coding plaintext. If the URI is `https`, build the channel with transport security and let TLS or certificate failures surface; do not retry or downgrade to plaintext. If the URI is `http`, or no URI is available and startup fell back to legacy host+port args, keep the current plaintext behavior. Preserve the existing message-size behavior and fail fast with a clear error for unsupported schemes. \ No newline at end of file From 0c9d3608a13dc3e7ea24fc987e2010778368477b Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Tue, 12 May 2026 17:37:52 +0000 Subject: [PATCH 09/13] Address review feedback on annotations and test-host scope Agent-Logs-Url: https://github.com/larohra/azure-functions-java-worker/sessions/db76de91-28a8-4391-b3a2-d8796d6725e4 Co-authored-by: larohra <41490930+larohra@users.noreply.github.com> --- .../functions/worker/JavaWorkerClient.java | 4 +-- .../test/utilities/FunctionsTestHost.java | 28 +++++++++++++++++-- 2 files changed, 28 insertions(+), 4 deletions(-) diff --git a/src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java b/src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java index c0fbe8a6..ad2b1862 100644 --- a/src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java +++ b/src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java @@ -7,7 +7,7 @@ import java.util.concurrent.atomic.*; import java.util.function.*; import java.util.logging.*; -import javax.annotation.*; +import javax.annotation.PostConstruct; import io.grpc.*; import io.grpc.stub.*; @@ -146,7 +146,7 @@ private synchronized void send(String requestId, MessageHandler marshaller private final Map>> handlerSuppliers; private final ClassLoaderProvider classPathProvider; - static boolean useTransportSecurity(@Nullable String functionsUri) { + static boolean useTransportSecurity(String functionsUri) { if (functionsUri == null) { return false; } diff --git a/src/test/java/com/microsoft/azure/functions/worker/test/utilities/FunctionsTestHost.java b/src/test/java/com/microsoft/azure/functions/worker/test/utilities/FunctionsTestHost.java index 1f31f0ba..cd8f884e 100644 --- a/src/test/java/com/microsoft/azure/functions/worker/test/utilities/FunctionsTestHost.java +++ b/src/test/java/com/microsoft/azure/functions/worker/test/utilities/FunctionsTestHost.java @@ -81,7 +81,11 @@ private void initializeServer() throws IOException { private void initializeClient() throws Exception { this.client = new JavaWorkerClient(this); this.listeningTask = this.client.listen("java-worker-test", HostGrpcImplementation.ESTABLISH_REQID); - this.grpcHost.handleMessage(HostGrpcImplementation.ESTABLISH_REQID, m -> this.grpcHost.initWorker()); + this.grpcHost.handleMessageWithTimeout( + HostGrpcImplementation.ESTABLISH_REQID, + m -> this.grpcHost.initWorker(), + RESPONSE_TIMEOUT_SECONDS, + TimeUnit.SECONDS); } @Override @@ -195,7 +199,27 @@ private void setResponse(String requestId, StreamingMessage value, StreamObserve void handleMessage(String requestId, Function handler) throws Exception { this.lock.lock(); try { - long deadlineNanos = System.nanoTime() + TimeUnit.SECONDS.toNanos(RESPONSE_TIMEOUT_SECONDS); + while (this.responder.get(requestId) == null) { + this.getResponseCondition(requestId).await(); + } + StreamingMessage message = this.respValue.get(requestId); + StreamingMessage response = null; + if (handler != null) { + response = handler.apply(message); + } + if (response != null) { + this.responder.get(requestId).onNext(response); + } + } finally { + this.lock.unlock(); + } + } + + void handleMessageWithTimeout(String requestId, Function handler, + long timeout, TimeUnit unit) throws Exception { + this.lock.lock(); + try { + long deadlineNanos = System.nanoTime() + unit.toNanos(timeout); while (this.responder.get(requestId) == null) { FunctionsTestHost.this.throwIfListeningFailed(); long remainingNanos = deadlineNanos - System.nanoTime(); From 5a9ed39976476ec067c451d8b0180402ae25aa47 Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Tue, 12 May 2026 17:40:28 +0000 Subject: [PATCH 10/13] Refine comment follow-up on nullability and test host waits Agent-Logs-Url: https://github.com/larohra/azure-functions-java-worker/sessions/db76de91-28a8-4391-b3a2-d8796d6725e4 Co-authored-by: larohra <41490930+larohra@users.noreply.github.com> --- .../com/microsoft/azure/functions/worker/JavaWorkerClient.java | 3 +++ .../functions/worker/test/utilities/FunctionsTestHost.java | 3 ++- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java b/src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java index ad2b1862..addca738 100644 --- a/src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java +++ b/src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java @@ -146,6 +146,9 @@ private synchronized void send(String requestId, MessageHandler marshaller private final Map>> handlerSuppliers; private final ClassLoaderProvider classPathProvider; + /** + * @param functionsUri Host endpoint URI, or null for legacy startup args that only provide host and port. + */ static boolean useTransportSecurity(String functionsUri) { if (functionsUri == null) { return false; diff --git a/src/test/java/com/microsoft/azure/functions/worker/test/utilities/FunctionsTestHost.java b/src/test/java/com/microsoft/azure/functions/worker/test/utilities/FunctionsTestHost.java index cd8f884e..e83c5ab6 100644 --- a/src/test/java/com/microsoft/azure/functions/worker/test/utilities/FunctionsTestHost.java +++ b/src/test/java/com/microsoft/azure/functions/worker/test/utilities/FunctionsTestHost.java @@ -200,7 +200,8 @@ void handleMessage(String requestId, Function Date: Tue, 12 May 2026 17:43:01 +0000 Subject: [PATCH 11/13] Deduplicate test host message response handling Agent-Logs-Url: https://github.com/larohra/azure-functions-java-worker/sessions/db76de91-28a8-4391-b3a2-d8796d6725e4 Co-authored-by: larohra <41490930+larohra@users.noreply.github.com> --- .../test/utilities/FunctionsTestHost.java | 29 +++++++++---------- 1 file changed, 13 insertions(+), 16 deletions(-) diff --git a/src/test/java/com/microsoft/azure/functions/worker/test/utilities/FunctionsTestHost.java b/src/test/java/com/microsoft/azure/functions/worker/test/utilities/FunctionsTestHost.java index e83c5ab6..78d73a03 100644 --- a/src/test/java/com/microsoft/azure/functions/worker/test/utilities/FunctionsTestHost.java +++ b/src/test/java/com/microsoft/azure/functions/worker/test/utilities/FunctionsTestHost.java @@ -203,14 +203,7 @@ void handleMessage(String requestId, Function handler) { + StreamingMessage message = this.respValue.get(requestId); + StreamingMessage response = null; + if (handler != null) { + response = handler.apply(message); + } + if (response != null) { + this.responder.get(requestId).onNext(response); + } + } + private StreamingMessage initWorker() { WorkerInitRequest.Builder request = WorkerInitRequest.newBuilder().setHostVersion("2.0.0"); return StreamingMessage.newBuilder().setRequestId(INITWORKER_REQID).setWorkerInitRequest(request).build(); From f7e6bc4761ac9b5c5d6c44b3c3bc0e180ac8bd19 Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Tue, 12 May 2026 18:14:15 +0000 Subject: [PATCH 12/13] Scope skip-testing property in GrpcTransportTest Agent-Logs-Url: https://github.com/larohra/azure-functions-java-worker/sessions/bc5fc454-8077-4ad5-b568-3befc6ceb14c Co-authored-by: larohra <41490930+larohra@users.noreply.github.com> --- .../functional/tests/GrpcTransportTest.java | 43 ++++++++++++++----- 1 file changed, 33 insertions(+), 10 deletions(-) diff --git a/src/test/java/com/microsoft/azure/functions/worker/functional/tests/GrpcTransportTest.java b/src/test/java/com/microsoft/azure/functions/worker/functional/tests/GrpcTransportTest.java index 81df6469..95c6d813 100644 --- a/src/test/java/com/microsoft/azure/functions/worker/functional/tests/GrpcTransportTest.java +++ b/src/test/java/com/microsoft/azure/functions/worker/functional/tests/GrpcTransportTest.java @@ -21,8 +21,8 @@ public String ReturnStringFunction() { @Test public void legacyPlaintextTransportStillWorks() throws Exception { - System.setProperty("azure.functions.worker.java.skip.testing", "true"); - try (FunctionsTestHost host = new FunctionsTestHost()) { + try (SkipTestingScope ignored = SkipTestingScope.enable(); + FunctionsTestHost host = new FunctionsTestHost()) { InvocationResponse response = this.invokeReturnString(host, "plaintext-function", "plaintext-request"); assertEquals(TypedData.DataCase.STRING, response.getReturnValue().getDataCase()); @@ -32,8 +32,8 @@ public void legacyPlaintextTransportStillWorks() throws Exception { @Test public void trustedHttpsFunctionsUriConnectsToTlsHost() throws Exception { - System.setProperty("azure.functions.worker.java.skip.testing", "true"); - try (TrustStoreScope ignored = TrustStoreScope.use(TRUSTSTORE_RESOURCE, TRUSTSTORE_PASSWORD, "PKCS12"); + try (SkipTestingScope ignored = SkipTestingScope.enable(); + TrustStoreScope ignoredTrustStore = TrustStoreScope.use(TRUSTSTORE_RESOURCE, TRUSTSTORE_PASSWORD, "PKCS12"); FunctionsTestHost host = new FunctionsTestHost(FunctionsTestHost.ServerTransport.TLS, FunctionsTestHost.ClientTransport.HTTPS)) { InvocationResponse response = this.invokeReturnString(host, "tls-function", "tls-request"); @@ -44,12 +44,11 @@ public void trustedHttpsFunctionsUriConnectsToTlsHost() throws Exception { @Test public void httpsFunctionsUriDoesNotDowngradeToPlaintextWhenTlsFails() { - System.setProperty("azure.functions.worker.java.skip.testing", "true"); - ExecutionException exception = assertThrows(ExecutionException.class, - () -> { - try (FunctionsTestHost ignored = new FunctionsTestHost(FunctionsTestHost.ServerTransport.PLAINTEXT, FunctionsTestHost.ClientTransport.HTTPS)) { - } - }); + ExecutionException exception = assertThrows(ExecutionException.class, () -> { + try (SkipTestingScope ignored = SkipTestingScope.enable(); + FunctionsTestHost ignoredHost = new FunctionsTestHost(FunctionsTestHost.ServerTransport.PLAINTEXT, FunctionsTestHost.ClientTransport.HTTPS)) { + } + }); assertTrue(hasCause(exception, SSLException.class), "Expected TLS failure but got: " + exception); } @@ -115,4 +114,28 @@ private static void restore(String key, String value) { } } } + + private static final class SkipTestingScope implements AutoCloseable { + private static final String SKIP_TESTING_PROPERTY = "azure.functions.worker.java.skip.testing"; + private final String originalValue; + + private SkipTestingScope(String originalValue) { + this.originalValue = originalValue; + } + + static SkipTestingScope enable() { + String originalValue = System.getProperty(SKIP_TESTING_PROPERTY); + System.setProperty(SKIP_TESTING_PROPERTY, "true"); + return new SkipTestingScope(originalValue); + } + + @Override + public void close() { + if (this.originalValue == null) { + System.clearProperty(SKIP_TESTING_PROPERTY); + } else { + System.setProperty(SKIP_TESTING_PROPERTY, this.originalValue); + } + } + } } From dd4c111ef616b6cdaf91e61977f90348c7dbccfc Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Sat, 16 May 2026 01:13:23 +0000 Subject: [PATCH 13/13] refactor URI parsing and transport security selection Agent-Logs-Url: https://github.com/larohra/azure-functions-java-worker/sessions/f12a179d-bf43-486b-b716-cf4f837012ff Co-authored-by: larohra <41490930+larohra@users.noreply.github.com> --- .../azure/functions/worker/Application.java | 47 ++++++++++++++----- .../functions/worker/JavaWorkerClient.java | 33 +------------ .../functions/worker/ApplicationTest.java | 39 ++++++++++++++- .../worker/JavaWorkerClientTest.java | 8 +--- 4 files changed, 77 insertions(+), 50 deletions(-) diff --git a/src/main/java/com/microsoft/azure/functions/worker/Application.java b/src/main/java/com/microsoft/azure/functions/worker/Application.java index 8bb4a494..554e0dbd 100644 --- a/src/main/java/com/microsoft/azure/functions/worker/Application.java +++ b/src/main/java/com/microsoft/azure/functions/worker/Application.java @@ -1,8 +1,8 @@ package com.microsoft.azure.functions.worker; -import java.net.MalformedURLException; +import java.net.URI; import java.net.URISyntaxException; -import java.net.URL; +import java.util.Locale; import java.util.logging.*; import javax.annotation.*; @@ -162,10 +162,6 @@ public String getFunctionsUri() { return this.uri; } - public String getUri() { - return this.getFunctionsUri(); - } - @Override public boolean logToConsole() { return this.logToConsole; @@ -190,17 +186,44 @@ private boolean isCommandlineValid() { private String parseUri(String uri) throws ParseException { try { - URL url = new URL(uri); - url.toURI(); - this.host = url.getHost(); - this.port = url.getPort(); + URI parsedUri = new URI(uri); + String host = parsedUri.getHost(); + String scheme = parsedUri.getScheme(); + int port = parsedUri.getPort(); + + if (scheme == null || scheme.isEmpty()) { + throw new IllegalArgumentException("URI scheme is missing"); + } + + switch (scheme.toLowerCase(Locale.ROOT)) { + case "http": + if (port == -1) { + port = 80; + } + break; + case "https": + if (port == -1) { + port = 443; + } + break; + default: + throw new IllegalArgumentException("Unsupported URI scheme"); + } + + if (host == null || host.isEmpty()) { + throw new IllegalArgumentException("URI host is missing"); + } + if (port < 1 || port > 65535) { throw new IndexOutOfBoundsException("port number out of range"); } + + this.host = host; + this.port = port; return uri; - } catch (MalformedURLException | URISyntaxException | IndexOutOfBoundsException e) { + } catch (URISyntaxException | IllegalArgumentException | IndexOutOfBoundsException e) { throw new ParseException(String.format( - "Error parsing URI \"%s\". Please provide a valid URI", uri)); + "Error parsing URI \"%s\". Please provide a valid http or https URI", uri)); } } diff --git a/src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java b/src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java index addca738..478102b2 100644 --- a/src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java +++ b/src/main/java/com/microsoft/azure/functions/worker/JavaWorkerClient.java @@ -1,7 +1,5 @@ package com.microsoft.azure.functions.worker; -import java.net.URI; -import java.net.URISyntaxException; import java.util.*; import java.util.concurrent.*; import java.util.concurrent.atomic.*; @@ -150,34 +148,7 @@ private synchronized void send(String requestId, MessageHandler marshaller * @param functionsUri Host endpoint URI, or null for legacy startup args that only provide host and port. */ static boolean useTransportSecurity(String functionsUri) { - if (functionsUri == null) { - return false; - } - - String scheme = parseFunctionsUriScheme(functionsUri); - switch (scheme.toLowerCase(Locale.ROOT)) { - case "http": - return false; - case "https": - return true; - default: - throw new IllegalArgumentException(String.format( - "Unsupported functions URI scheme \"%s\" in functions URI \"%s\". Only http and https are supported.", - scheme, functionsUri)); - } - } - - private static String parseFunctionsUriScheme(String functionsUri) { - try { - String scheme = new URI(functionsUri).getScheme(); - if (scheme == null || scheme.isEmpty()) { - throw new IllegalArgumentException(String.format( - "Unsupported functions URI \"%s\". Only http and https are supported.", functionsUri)); - } - return scheme; - } catch (URISyntaxException ex) { - throw new IllegalArgumentException(String.format( - "Error parsing functions URI \"%s\". Please provide a valid http or https URI.", functionsUri), ex); - } + return functionsUri != null + && functionsUri.regionMatches(true, 0, "https://", 0, "https://".length()); } } diff --git a/src/test/java/com/microsoft/azure/functions/worker/ApplicationTest.java b/src/test/java/com/microsoft/azure/functions/worker/ApplicationTest.java index 8df09e2e..7f468e60 100644 --- a/src/test/java/com/microsoft/azure/functions/worker/ApplicationTest.java +++ b/src/test/java/com/microsoft/azure/functions/worker/ApplicationTest.java @@ -6,6 +6,7 @@ import java.lang.reflect.Method; 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.assertTrue; @@ -32,7 +33,6 @@ public void prefixedStartupArgumentsTakePrecedenceOverLegacyValues() throws Exce assertTrue(isCommandLineValid(application)); assertEquals("https://functions.example:8443", application.getFunctionsUri()); - assertEquals("https://functions.example:8443", application.getUri()); assertEquals("functions.example", application.getHost()); assertEquals(8443, application.getPort()); assertEquals(Integer.valueOf(2048), application.getMaxMessageSize()); @@ -56,6 +56,43 @@ public void legacyHostAndPortRemainAvailableWhenFunctionsUriIsAbsent() throws Ex assertEquals(Integer.valueOf(4096), application.getMaxMessageSize()); } + @Test + public void httpsFunctionsUriDefaultsToPort443WhenPortIsMissing() throws Exception { + Application application = createApplication( + "--functions-uri", "https://functions.example/path", + "--functions-worker-id", "prefixed-worker", + "--functions-request-id", "prefixed-request", + "--functions-grpc-max-message-length", "2048"); + + assertTrue(isCommandLineValid(application)); + assertEquals("functions.example", application.getHost()); + assertEquals(443, application.getPort()); + } + + @Test + public void httpFunctionsUriDefaultsToPort80WhenPortIsMissing() throws Exception { + Application application = createApplication( + "--functions-uri", "http://functions.example/path", + "--functions-worker-id", "prefixed-worker", + "--functions-request-id", "prefixed-request", + "--functions-grpc-max-message-length", "2048"); + + assertTrue(isCommandLineValid(application)); + assertEquals("functions.example", application.getHost()); + assertEquals(80, application.getPort()); + } + + @Test + public void unsupportedFunctionsUriSchemeFailsCommandLineValidation() throws Exception { + Application application = createApplication( + "--functions-uri", "unix:///tmp/functions.sock", + "--functions-worker-id", "prefixed-worker", + "--functions-request-id", "prefixed-request", + "--functions-grpc-max-message-length", "2048"); + + assertFalse(isCommandLineValid(application)); + } + private static Application createApplication(String... args) throws Exception { Constructor constructor = Application.class.getDeclaredConstructor(String[].class); constructor.setAccessible(true); diff --git a/src/test/java/com/microsoft/azure/functions/worker/JavaWorkerClientTest.java b/src/test/java/com/microsoft/azure/functions/worker/JavaWorkerClientTest.java index c3437334..7309a567 100644 --- a/src/test/java/com/microsoft/azure/functions/worker/JavaWorkerClientTest.java +++ b/src/test/java/com/microsoft/azure/functions/worker/JavaWorkerClientTest.java @@ -3,7 +3,6 @@ import org.junit.jupiter.api.Test; import static org.junit.jupiter.api.Assertions.assertFalse; -import static org.junit.jupiter.api.Assertions.assertThrows; import static org.junit.jupiter.api.Assertions.assertTrue; public class JavaWorkerClientTest { @@ -23,10 +22,7 @@ public void httpsFunctionsUriUsesTransportSecurity() { } @Test - public void unsupportedFunctionsUriSchemeFailsFast() { - IllegalArgumentException exception = assertThrows(IllegalArgumentException.class, - () -> JavaWorkerClient.useTransportSecurity("unix:///tmp/functions.sock")); - - assertTrue(exception.getMessage().contains("Only http and https are supported.")); + public void httpsFunctionsUriSchemeIsCaseInsensitive() { + assertTrue(JavaWorkerClient.useTransportSecurity("HTTPS://functions.example:8443")); } }