summary refs log tree commit diff
path: root/synapse/federation
diff options
context:
space:
mode:
Diffstat (limited to 'synapse/federation')
-rw-r--r--synapse/federation/federation_server.py15
-rw-r--r--synapse/federation/transport/server.py12
2 files changed, 24 insertions, 3 deletions
diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py
index 90718192dd..e8bfbe7cb5 100644
--- a/synapse/federation/federation_server.py
+++ b/synapse/federation/federation_server.py
@@ -543,8 +543,19 @@ class FederationServer(FederationBase):
         return event
 
     @defer.inlineCallbacks
-    def exchange_third_party_invite(self, invite):
-        ret = yield self.handler.exchange_third_party_invite(invite)
+    def exchange_third_party_invite(
+            self,
+            sender_user_id,
+            target_user_id,
+            room_id,
+            signed,
+    ):
+        ret = yield self.handler.exchange_third_party_invite(
+            sender_user_id,
+            target_user_id,
+            room_id,
+            signed,
+        )
         defer.returnValue(ret)
 
     @defer.inlineCallbacks
diff --git a/synapse/federation/transport/server.py b/synapse/federation/transport/server.py
index 65e054f7dd..6e92e2f8f4 100644
--- a/synapse/federation/transport/server.py
+++ b/synapse/federation/transport/server.py
@@ -425,7 +425,17 @@ class On3pidBindServlet(BaseFederationServlet):
             last_exception = None
             for invite in content["invites"]:
                 try:
-                    yield self.handler.exchange_third_party_invite(invite)
+                    if "signed" not in invite or "token" not in invite["signed"]:
+                        message = ("Rejecting received notification of third-"
+                                   "party invite without signed: %s" % (invite,))
+                        logger.info(message)
+                        raise SynapseError(400, message)
+                    yield self.handler.exchange_third_party_invite(
+                        invite["sender"],
+                        invite["mxid"],
+                        invite["room_id"],
+                        invite["signed"],
+                    )
                 except Exception as e:
                     last_exception = e
             if last_exception: