{"action":"created","comment":{"url":"https://api.github.com/repos/matrix-org/synapse/pulls/comments/48255740","id":48255740,"diff_hunk":"@@ -135,6 +138,12 @@ def wait_for_sync_for_user(self, sync_config, since_token=None, timeout=0,\n             A Deferred SyncResult.\n         \"\"\"\n \n+        if sync_config.is_guest:\n+            for room_id in sync_config.filter.list_rooms():\n+                world_readable = yield self._is_world_readable(room_id)\n+                if not world_readable:\n+                    raise AuthError(403, \"Guest access not allowed\")","path":"synapse/handlers/sync.py","position":35,"original_position":35,"commit_id":"251aafcccad74aef96def0adbf5d9387e1d19199","original_commit_id":"251aafcccad74aef96def0adbf5d9387e1d19199","user":{"login":"Kegsay","id":7190048,"avatar_url":"https://avatars.githubusercontent.com/u/7190048?v=3","gravatar_id":"","url":"https://api.github.com/users/Kegsay","html_url":"https://github.com/Kegsay","followers_url":"https://api.github.com/users/Kegsay/followers","following_url":"https://api.github.com/users/Kegsay/following{/other_user}","gists_url":"https://api.github.com/users/Kegsay/gists{/gist_id}","starred_url":"https://api.github.com/users/Kegsay/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Kegsay/subscriptions","organizations_url":"https://api.github.com/users/Kegsay/orgs","repos_url":"https://api.github.com/users/Kegsay/repos","events_url":"https://api.github.com/users/Kegsay/events{/privacy}","received_events_url":"https://api.github.com/users/Kegsay/received_events","type":"User","site_admin":false},"body":"This is an interesting one because if I'm reading this right this means that if you give just a single bad room ID the entire `/sync` will fail. Clients aren't fed enough information to resolve this programatically either. I'd like to see some keys to say \"these room IDs are bad\" so I can remove them programatically; the alternative (silently dropping bad IDs) leaves a bad taste in my mouth.","created_at":"2015-12-22T14:13:28Z","updated_at":"2015-12-22T14:13:28Z","html_url":"https://github.com/matrix-org/synapse/pull/455#discussion_r48255740","pull_request_url":"https://api.github.com/repos/matrix-org/synapse/pulls/455","_links":{"self":{"href":"https://api.github.com/repos/matrix-org/synapse/pulls/comments/48255740"},"html":{"href":"https://github.com/matrix-org/synapse/pull/455#discussion_r48255740"},"pull_request":{"href":"https://api.github.com/repos/matrix-org/synapse/pulls/455"}}},"pull_request":{"url":"https://api.github.com/repos/matrix-org/synapse/pulls/455","id":54359353,"html_url":"https://github.com/matrix-org/synapse/pull/455","diff_url":"https://github.com/matrix-org/synapse/pull/455.diff","patch_url":"https://github.com/matrix-org/synapse/pull/455.patch","issue_url":"https://api.github.com/repos/matrix-org/synapse/issues/455","number":455,"state":"open","locked":false,"title":"Allow guest access to 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matrix-org/sytest#122\r\n\r\nTODO:\r\n\r\n* [x] Allow access to read-receipts and typing notifications to guest 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