plugin identity: add a timeout when getting identities.

libervia/backend/plugins/plugin_misc_identity.py

@@ -20,9 +20,10 @@ import io
 from pathlib import Path
 from base64 import b64encode
 import hashlib
-from typing import Any, Coroutine, Dict, List, Optional, Union
+from typing import Any, Coroutine, Dict, List, Optional, Union, cast
 
-from twisted.internet import defer, threads
+from twisted.internet import defer, reactor, threads
+from twisted.internet.interfaces import IReactorCore
 from twisted.words.protocols.jabber import jid
 
 from libervia.backend.core import exceptions
@@ -790,7 +791,9 @@ class Identity:
                     )
                 )
             )
-        identities_result = await defer.DeferredList(get_identity_list)
+        deferred_list = defer.DeferredList(get_identity_list)
+        deferred_list.addTimeout(5, cast(IReactorCore, reactor))
+        identities_result = await deferred_list
         for idx, (success, identity) in enumerate(identities_result):
             entity_jid = entities[idx]
             if not success: