114 lines
7.6 KiB
Markdown
114 lines
7.6 KiB
Markdown
# Gateway HTTP Middleware Pipeline
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## Module
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Gateway
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## Status
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VERIFIED
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## Description
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Full HTTP middleware pipeline for the Gateway WebService including endpoint resolution, authorization with claims propagation, routing decision, transport dispatch, correlation ID tracking, tenant isolation, health checks, and global error handling.
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## Implementation Details
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- **Authorization**: `src/Gateway/StellaOps.Gateway.WebService/Authorization/AuthorizationMiddleware.cs` -- endpoint authorization (101 lines)
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- **Claims propagation**: `src/Gateway/StellaOps.Gateway.WebService/Middleware/ClaimsPropagationMiddleware.cs` -- propagates authenticated claims to downstream services (89 lines)
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- **Correlation ID**: `src/Gateway/StellaOps.Gateway.WebService/Middleware/CorrelationIdMiddleware.cs` -- request correlation tracking (63 lines)
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- **Routing**: `src/Gateway/StellaOps.Gateway.WebService/Middleware/RequestRoutingMiddleware.cs` -- route resolution and dispatch (23 lines)
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- **Routes**: `src/Gateway/StellaOps.Gateway.WebService/Middleware/GatewayRoutes.cs` -- route definitions (35 lines)
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- **Health checks**: `src/Gateway/StellaOps.Gateway.WebService/Middleware/HealthCheckMiddleware.cs` (91 lines)
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- **Identity header policy**: `src/Gateway/StellaOps.Gateway.WebService/Middleware/IdentityHeaderPolicyMiddleware.cs` -- identity header enforcement (335 lines)
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- **Sender constraints**: `src/Gateway/StellaOps.Gateway.WebService/Middleware/SenderConstraintMiddleware.cs` (216 lines)
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- **Tenant isolation**: `src/Gateway/StellaOps.Gateway.WebService/Middleware/TenantMiddleware.cs` (41 lines)
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- **Context keys**: `src/Gateway/StellaOps.Gateway.WebService/Middleware/GatewayContextKeys.cs` (14 lines)
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- **Security**: `src/Gateway/StellaOps.Gateway.WebService/Security/AllowAllAuthenticationHandler.cs` (32 lines)
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- **Source**: batch_51/file_21.md
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## E2E Test Plan
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- [x] Verify middleware pipeline executes in correct order
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- [x] Test authorization middleware blocks unauthorized requests
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- [x] Verify correlation IDs propagate through gateway to downstream services
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- [x] Test tenant isolation prevents cross-tenant access
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- [x] Verify edge cases and error handling
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## Verification
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- **Run ID**: run-002
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- **Date**: 2026-02-09
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- **Method**: Tier 1 code review + Tier 2d integration tests
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- **Build**: PASS (0 errors, 0 warnings)
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- **Tests**: PASS (202/202 gateway tests pass)
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- **Code Review**:
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- All 11 middleware classes exist with real implementations (1,000+ total lines).
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- 7 test files with 50+ test methods: AuthorizationMiddlewareTests (8 tests), ClaimsPropagationMiddlewareTests (8 tests), CorrelationIdMiddlewareTests (4 tests), GatewayRoutesTests (6 tests), TenantMiddlewareTests (6 tests), IdentityHeaderPolicyMiddlewareTests (18+ tests), GatewayIntegrationTests (11 tests).
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- All tests assert meaningful outcomes (403 status codes, header values, claim matching, tenant extraction).
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- **Verdict**: PASS
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## Tier 2 Recheck (2026-02-10)
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- **Run ID**: run-003
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- **Result**: PASS
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- **What was rechecked**: Live API replay for `/health*`, `/openapi*`, `/.well-known/openapi`, `/metrics`, unknown route 404 behavior, and correlation-id echo.
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- **Evidence**: `docs/qa/feature-checks/runs/gateway/gateway-http-middleware-pipeline/run-003/tier2-api-check.json`
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## Recheck (run-005)
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- **Date**: 2026-02-10
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- **Result**: PASS
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- **Verification**: HTTP middleware pipeline behavior remains stable across health/openapi/metrics/not-found/correlation paths.
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- **Tests**: Gateway.WebService.Tests 259/259, Router Gateway WebService.Tests 160/160, Router.Gateway.Tests 13/13 (432 total).
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- **Evidence**: `docs/qa/feature-checks/runs/gateway/gateway-http-middleware-pipeline/run-005/tier2-integration-check.json`
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## Recheck (Run-006)
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- **Verified**: 2026-02-10
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- **Method**: Tier 2 replay + full Gateway/Router matrix.
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- **Tests**: PASS (`src/Gateway/__Tests/StellaOps.Gateway.WebService.Tests`: 259/259; `src/Router/__Tests/StellaOps.Gateway.WebService.Tests`: 160/160; `src/Router/__Tests/StellaOps.Router.Gateway.Tests`: 13/13).
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- **Tier 2 Evidence**: `docs/qa/feature-checks/runs/gateway/gateway-http-middleware-pipeline/run-006/tier2-integration-check.json`
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- **Outcome**: Checked Gateway feature behavior remains stable in follow-up replay.
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## Recheck (Run-007)
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- **Verified**: 2026-02-10
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- **Method**: Tier 2 integration replay.
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- **Tests**: PASS (src/Gateway/__Tests/StellaOps.Gateway.WebService.Tests: 259/259; src/Router/__Tests/StellaOps.Gateway.WebService.Tests: 160/160; src/Router/__Tests/StellaOps.Router.Gateway.Tests: 13/13).
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- **Tier 2 Evidence**: `docs/qa/feature-checks/runs/gateway/gateway-http-middleware-pipeline/run-007/tier2-integration-check.json`
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- **Outcome**: Gateway/Router behavior for this checked feature remains healthy.
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## Recheck (Run-008)
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- **Verified**: 2026-02-10
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- **Method**: Tier 2 replay with deterministic Gateway+Router suite verification.
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- **Tests**: PASS (src/Gateway/__Tests/StellaOps.Gateway.WebService.Tests: 259/259; src/Router/__Tests/StellaOps.Gateway.WebService.Tests: 160/160; src/Router/__Tests/StellaOps.Router.Gateway.Tests: 13/13).
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- **Tier 2 Evidence**: docs/qa/feature-checks/runs/gateway/gateway-http-middleware-pipeline/run-008/tier2-integration-check.json
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- **Outcome**: Checked gateway behavior remains healthy in continued replay.
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## Recheck (Run-009)
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- **Verified**: 2026-02-10
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- **Method**: Tier 2 replay with deterministic Gateway+Router suite verification.
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- **Tests**: PASS (src/Gateway/__Tests/StellaOps.Gateway.WebService.Tests: 259/259; src/Router/__Tests/StellaOps.Gateway.WebService.Tests: 160/160; src/Router/__Tests/StellaOps.Router.Gateway.Tests: 13/13).
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- **Tier 2 Evidence**: docs/qa/feature-checks/runs/gateway/gateway-http-middleware-pipeline/run-009/tier2-integration-check.json
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- **Outcome**: Checked gateway behavior remains healthy in continued replay.
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## Recheck (Run-010)
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- **Verified**: 2026-02-10
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- **Method**: Tier 2d deterministic integration replay.
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- **Tests**: PASS (Gateway.WebService.Tests 259/259, Router.Gateway.WebService.Tests 160/160, Router.Gateway.Tests 13/13).
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- **Tier 2 Evidence**: docs/qa/feature-checks/runs/gateway/gateway-http-middleware-pipeline/run-010/tier2-integration-check.json
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- **Outcome**: Checked Gateway behavior remains healthy in continued replay.
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## Recheck (Run-011)
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- **Verified**: 2026-02-10
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- **Method**: Tier 2d deterministic integration replay.
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- **Tests**: PASS (Gateway.WebService 259/259, Router.Gateway.WebService 160/160, Router.Gateway 13/13; total 432/432).
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- **Tier 2 Evidence**: docs/qa/feature-checks/runs/gateway/gateway-http-middleware-pipeline/run-011/tier2-integration-check.json
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- **Outcome**: Checked gateway behavior remains healthy in continued replay.
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## Recheck (Run-012)
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- **Verified**: 2026-02-10
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- **Method**: Tier 2d deterministic integration replay.
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- **Tests**: PASS (Gateway.WebService 259/259, Router.Gateway.WebService 160/160, Router.Gateway 13/13; total 432/432).
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- **Tier 2 Evidence**: docs/qa/feature-checks/runs/gateway/gateway-http-middleware-pipeline/run-012/tier2-integration-check.json
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- **Outcome**: Checked gateway behavior remains healthy in continued replay.
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## Recheck (Run-013)
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- **Verified**: 2026-02-10
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- **Method**: Tier 2a live API verification with fresh request/response captures.
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- **Tests**: PASS (Gateway.WebService 259/259).
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- **Tier 2 Evidence**: docs/qa/feature-checks/runs/gateway/gateway-http-middleware-pipeline/run-013/tier2-api-check.json
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- **Captured Requests**: `/health`, `/openapi/v1.json` (404), `/openapi.json`, `/openapi.yaml`, `/.well-known/openapi`, `/metrics`, `/__qa_missing_route__` (404), correlation-id echo on `/health`.
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- **Outcome**: Middleware pipeline behavior revalidated from live user-surface HTTP transactions.
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