Version 0.2.0

Changes:
- add metrics dispencer
- add basic authentication dependency
- enable GZIP middleware
- add !env() example to deploy section
- update dependencies state attribute name

{{project_slug}}/dependencies/auth_dep.py

@@ -0,0 +1,34 @@
+"""Authentication dependency function is defined here."""
+
+from dataclasses import dataclass
+
+import jwt
+from fastapi import Request
+
+from . import logger_dep
+
+
+@dataclass
+class AuthenticationData:
+    api_key: str | None
+    jwt_payload: dict | None
+    jwt_original: str | None
+
+
+def obtain(request: Request) -> AuthenticationData:
+    if hasattr(request.state, "auth_dep"):
+        return request.state.auth_dep
+    auth = AuthenticationData(None, None, None)
+    if (value := request.headers.get("X-API-Key")) is not None:
+        auth.api_key = value
+    if (value := request.headers.get("Authorization")) is not None and value.startswith("Bearer "):
+        value = value[7:]
+        auth.jwt_original = value
+        try:
+            auth.jwt_payload = jwt.decode(value, algorithms=["HS256"], options={"verify_signature": False})
+        except Exception:  # pylint: disable=broad-except
+            logger = logger_dep.obtain(request)
+            logger.warning("failed to parse Authorization header as jwt", value=value)
+            logger.debug("failed to parse Authorization header as jwt", exc_info=True)
+    request.state.auth_dep = auth
+    return auth