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authorErik Johnston <erik@matrix.org>2016-04-21 17:42:25 +0100
committerErik Johnston <erik@matrix.org>2016-04-21 17:42:25 +0100
commitb9675ef6e694c7f7f40bee5e4730866c7f217259 (patch)
tree4370ef1247309b2d929a5d52fe266f90cfcfb7d6
parentMerge pull request #743 from matrix-org/markjh/slave_pushers (diff)
parentFix issues with JWT login (diff)
downloadsynapse-b9675ef6e694c7f7f40bee5e4730866c7f217259.tar.xz
Merge pull request #687 from nikriek/jwt-fix
Fix issues with JWT login
-rw-r--r--synapse/config/jwt.py2
-rw-r--r--synapse/rest/client/v1/login.py9
2 files changed, 8 insertions, 3 deletions
diff --git a/synapse/config/jwt.py b/synapse/config/jwt.py
index 4cb092bbec..5c8199612b 100644
--- a/synapse/config/jwt.py
+++ b/synapse/config/jwt.py
@@ -30,6 +30,8 @@ class JWTConfig(Config):
 
     def default_config(self, **kwargs):
         return """\
+        # The JWT needs to contain a globally unique "sub" (subject) claim.
+        #
         # jwt_config:
         #    enabled: true
         #    secret: "a secret"
diff --git a/synapse/rest/client/v1/login.py b/synapse/rest/client/v1/login.py
index d14ce3efa2..166a78026a 100644
--- a/synapse/rest/client/v1/login.py
+++ b/synapse/rest/client/v1/login.py
@@ -224,16 +224,19 @@ class LoginRestServlet(ClientV1RestServlet):
 
     @defer.inlineCallbacks
     def do_jwt_login(self, login_submission):
-        token = login_submission['token']
+        token = login_submission.get("token", None)
         if token is None:
-            raise LoginError(401, "Unauthorized", errcode=Codes.UNAUTHORIZED)
+            raise LoginError(401, "Token field for JWT is missing",
+                             errcode=Codes.UNAUTHORIZED)
 
         try:
             payload = jwt.decode(token, self.jwt_secret, algorithms=[self.jwt_algorithm])
+        except jwt.ExpiredSignatureError:
+            raise LoginError(401, "JWT expired", errcode=Codes.UNAUTHORIZED)
         except InvalidTokenError:
             raise LoginError(401, "Invalid JWT", errcode=Codes.UNAUTHORIZED)
 
-        user = payload['user']
+        user = payload.get("sub", None)
         if user is None:
             raise LoginError(401, "Invalid JWT", errcode=Codes.UNAUTHORIZED)