diff options
Diffstat (limited to 'synapse/api/auth.py')
| -rw-r--r-- | synapse/api/auth.py | 43 |
1 files changed, 41 insertions, 2 deletions
diff --git a/synapse/api/auth.py b/synapse/api/auth.py index 0054745363..b176db8ce1 100644 --- a/synapse/api/auth.py +++ b/synapse/api/auth.py @@ -306,6 +306,34 @@ class Auth(object): # Can optionally look elsewhere in the request (e.g. headers) try: access_token = request.args["access_token"][0] + + # Check for application service tokens with a user_id override + try: + app_service = yield self.store.get_app_service_by_token( + access_token + ) + if not app_service: + raise KeyError + + user_id = app_service.sender + if "user_id" in request.args: + user_id = request.args["user_id"][0] + if not app_service.is_interested_in_user(user_id): + raise AuthError( + 403, + "Application service cannot masquerade as this user." + ) + + if not user_id: + raise KeyError + + defer.returnValue( + (UserID.from_string(user_id), ClientInfo("", "")) + ) + return + except KeyError: + pass # normal users won't have this query parameter set + user_info = yield self.get_user_by_token(access_token) user = user_info["user"] device_id = user_info["device_id"] @@ -344,8 +372,7 @@ class Auth(object): try: ret = yield self.store.get_user_by_token(token=token) if not ret: - raise StoreError() - + raise StoreError(400, "Unknown token") user_info = { "admin": bool(ret.get("admin", False)), "device_id": ret.get("device_id"), @@ -358,6 +385,18 @@ class Auth(object): raise AuthError(403, "Unrecognised access token.", errcode=Codes.UNKNOWN_TOKEN) + @defer.inlineCallbacks + def get_appservice_by_req(self, request): + try: + token = request.args["access_token"][0] + service = yield self.store.get_app_service_by_token(token) + if not service: + raise AuthError(403, "Unrecognised access token.", + errcode=Codes.UNKNOWN_TOKEN) + defer.returnValue(service) + except KeyError: + raise AuthError(403, "Missing access token.") + def is_server_admin(self, user): return self.store.is_server_admin(user) |