Drop support for calling `/_matrix/client/v3/rooms/{roomId}/invite` without an `id_access_token` (#13241)

Fixes #13206

Signed-off-by: Jacek Kusnierz jacek.kusnierz@tum.de

1 files changed, 12 insertions, 8 deletions

diff --git a/synapse/rest/client/room.py b/synapse/rest/client/room.py
index 0e2834008e..0bca012535 100644
--- a/synapse/rest/client/room.py
+++ b/synapse/rest/client/room.py
@@ -17,6 +17,7 @@
 import logging
 import re
 from enum import Enum
+from http import HTTPStatus
 from typing import TYPE_CHECKING, Awaitable, Dict, List, Optional, Tuple
 from urllib import parse as urlparse
 
@@ -947,7 +948,16 @@ class RoomMembershipRestServlet(TransactionRestServlet):
             # cheekily send invalid bodies.
             content = {}
 
-        if membership_action == "invite" and self._has_3pid_invite_keys(content):
+        if membership_action == "invite" and all(
+            key in content for key in ("medium", "address")
+        ):
+            if not all(key in content for key in ("id_server", "id_access_token")):
+                raise SynapseError(
+                    HTTPStatus.BAD_REQUEST,
+                    "`id_server` and `id_access_token` are required when doing 3pid invite",
+                    Codes.MISSING_PARAM,
+                )
+
             try:
                 await self.room_member_handler.do_3pid_invite(
                     room_id,
@@ -957,7 +967,7 @@ class RoomMembershipRestServlet(TransactionRestServlet):
                     content["id_server"],
                     requester,
                     txn_id,
-                    content.get("id_access_token"),
+                    content["id_access_token"],
                 )
             except ShadowBanError:
                 # Pretend the request succeeded.
@@ -994,12 +1004,6 @@ class RoomMembershipRestServlet(TransactionRestServlet):
 
         return 200, return_value
 
-    def _has_3pid_invite_keys(self, content: JsonDict) -> bool:
-        for key in {"id_server", "medium", "address"}:
-            if key not in content:
-                return False
-        return True
-
     def on_PUT(
         self, request: SynapseRequest, room_id: str, membership_action: str, txn_id: str
     ) -> Awaitable[Tuple[int, JsonDict]]: