Merge pull request 'Add new env variable to use prefixes in url [release-patch]' (#8) from dev into main

Reviewed-on: #8

.gitea/workflows/release.yml

@@ -75,6 +75,18 @@ jobs:
         run: |
           git config user.name "Gitea CI"
           git config user.email "ci@git.theprivateserver.de"
+
+      - name: Determine branch to push to
+        id: push_branch
+        run: |
+          if [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
+            # workflow_dispatch runs on a branch ref like refs/heads/main
+            BRANCH=${GITHUB_REF#refs/heads/}
+          else
+            # for a merged PR use the PR base ref (target branch)
+            BRANCH=${{ github.event.pull_request.base.ref }}
+          fi
+          echo "PUSH_BRANCH=$BRANCH" >> $GITHUB_ENV
       - name: Bump version
         id: bump
         run: |
@@ -133,7 +145,7 @@ jobs:
         uses: ad-m/github-push-action@master
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          branch: ${{ github.ref }}
+          branch: ${{ env.PUSH_BRANCH }}
       - name: Build Changelog
         id: build_changelog
         uses: https://github.com/mikepenz/release-changelog-builder-action@v5

.gitea/workflows/test_pr.yml

@@ -38,6 +38,7 @@ jobs:
         with:
           name: semapform-image
           path: semapform-api.tar
+          retention-days: 1
 
   smoke-tests:
     needs: build-image

api_service.py

@@ -12,6 +12,28 @@ from fastapi.responses import JSONResponse
 
 app = FastAPI(title="Signature Validation API")
 
+# Optional path prefix support: when behind a reverse-proxy that uses a
+# URL prefix (eg. `https://api.example.tld/library/...`) set `API_PREFIX` to
+# that prefix (example: `/library`) so incoming requests are rewritten to the
+# application root. This keeps route definitions unchanged while supporting
+# both proxied and direct deployments.
+_api_prefix_raw = os.getenv("API_PREFIX", "").strip()
+api_prefix = ""
+if _api_prefix_raw:
+    if not _api_prefix_raw.startswith("/"):
+        _api_prefix_raw = "/" + _api_prefix_raw
+    api_prefix = _api_prefix_raw.rstrip("/")
+
+
+@app.middleware("http")
+async def _strip_api_prefix(request, call_next):
+    if api_prefix and request.url.path.startswith(api_prefix):
+        new_path = request.url.path[len(api_prefix) :]
+        request.scope["path"] = new_path or "/"
+        request.scope["root_path"] = api_prefix
+    return await call_next(request)
+
+
 # Allow PHP application to call this API
 app.add_middleware(
     CORSMiddleware,