content-type needs to have json in it to be handled

tiangolo/fastapi#2118

src/auth_server/middleware.py

@@ -1,8 +1,10 @@
 # -*- coding: utf-8 -*-
 import logging
+from typing import Dict
 
 from jwcrypto import jws
 from pydantic import ValidationError
+from starlette.datastructures import Headers
 from starlette.middleware.base import BaseHTTPMiddleware
 from starlette.requests import Request
 from starlette.responses import PlainTextResponse
@@ -47,6 +49,10 @@ def __init__(self, app):
 
     async def dispatch(self, request: Request, call_next):
         if request.headers.get('content-type') == 'application/jose':
+            # Return a more helpful error message for a common mistake
+            return return_error_response(status_code=422, detail='content-type needs to be application/jose+json')
+
+        if request.headers.get('content-type') == 'application/jose+json':
             config = load_config()
             request = self.make_context_request(request)
             logger.info('got application/jose request')

src/auth_server/tests/test_app.py

@@ -211,7 +211,7 @@ def test_transaction_jws(self):
         )
         data = _jws.serialize(compact=True)
 
-        client_header = {'Content-Type': 'application/jose'}
+        client_header = {'Content-Type': 'application/jose+json'}
         response = self.client.post("/transaction", data=data, headers=client_header)
 
         assert response.status_code == 200