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-rw-r--r--synapse/handlers/initial_sync.py31
-rw-r--r--synapse/handlers/typing.py4
2 files changed, 7 insertions, 28 deletions
diff --git a/synapse/handlers/initial_sync.py b/synapse/handlers/initial_sync.py
index 2e6755f19c..b7c6a921d9 100644
--- a/synapse/handlers/initial_sync.py
+++ b/synapse/handlers/initial_sync.py
@@ -18,7 +18,7 @@ import logging
 from twisted.internet import defer
 
 from synapse.api.constants import EventTypes, Membership
-from synapse.api.errors import AuthError, Codes, SynapseError
+from synapse.api.errors import SynapseError
 from synapse.events.validator import EventValidator
 from synapse.handlers.presence import format_user_presence_state
 from synapse.logging.context import make_deferred_yieldable, run_in_background
@@ -274,9 +274,10 @@ class InitialSyncHandler(BaseHandler):
 
         user_id = requester.user.to_string()
 
-        membership, member_event_id = await self._check_in_room_or_world_readable(
-            room_id, user_id
-        )
+        (
+            membership,
+            member_event_id,
+        ) = await self.auth.check_user_in_room_or_world_readable(room_id, user_id)
         is_peeking = member_event_id is None
 
         if membership == Membership.JOIN:
@@ -433,25 +434,3 @@ class InitialSyncHandler(BaseHandler):
             ret["membership"] = membership
 
         return ret
-
-    async def _check_in_room_or_world_readable(self, room_id, user_id):
-        try:
-            # check_user_was_in_room will return the most recent membership
-            # event for the user if:
-            #  * The user is a non-guest user, and was ever in the room
-            #  * The user is a guest user, and has joined the room
-            # else it will throw.
-            member_event = await self.auth.check_user_was_in_room(room_id, user_id)
-            return member_event.membership, member_event.event_id
-        except AuthError:
-            visibility = await self.state_handler.get_current_state(
-                room_id, EventTypes.RoomHistoryVisibility, ""
-            )
-            if (
-                visibility
-                and visibility.content["history_visibility"] == "world_readable"
-            ):
-                return Membership.JOIN, None
-            raise AuthError(
-                403, "Guest access not allowed", errcode=Codes.GUEST_ACCESS_FORBIDDEN
-            )
diff --git a/synapse/handlers/typing.py b/synapse/handlers/typing.py
index d5ca9cb07b..5406618431 100644
--- a/synapse/handlers/typing.py
+++ b/synapse/handlers/typing.py
@@ -125,7 +125,7 @@ class TypingHandler(object):
         if target_user_id != auth_user_id:
             raise AuthError(400, "Cannot set another user's typing state")
 
-        yield self.auth.check_joined_room(room_id, target_user_id)
+        yield self.auth.check_user_in_room(room_id, target_user_id)
 
         logger.debug("%s has started typing in %s", target_user_id, room_id)
 
@@ -155,7 +155,7 @@ class TypingHandler(object):
         if target_user_id != auth_user_id:
             raise AuthError(400, "Cannot set another user's typing state")
 
-        yield self.auth.check_joined_room(room_id, target_user_id)
+        yield self.auth.check_user_in_room(room_id, target_user_id)
 
         logger.debug("%s has stopped typing in %s", target_user_id, room_id)