feat(server): Experimental support for OAuth2/OIDC authentication

nextcloud_mcp_server/auth/bearer_auth.py

@@ -0,0 +1,34 @@
+"""Bearer token authentication for httpx."""
+
+from httpx import Auth, Request
+
+
+class BearerAuth(Auth):
+    """
+    Bearer token authentication flow for httpx.
+
+    This auth class adds the Authorization: Bearer <token> header
+    to all outgoing requests.
+    """
+
+    def __init__(self, token: str):
+        """
+        Initialize bearer authentication.
+
+        Args:
+            token: The bearer token to use for authentication
+        """
+        self.token = token
+
+    def auth_flow(self, request: Request):
+        """
+        Add Authorization header to the request.
+
+        Args:
+            request: The outgoing HTTP request
+
+        Yields:
+            The modified request with Authorization header
+        """
+        request.headers["Authorization"] = f"Bearer {self.token}"
+        yield request