--- a/libervia/web/pages/chat/page_meta.py	Thu Jun 22 16:36:18 2023 +0200
+++ b/libervia/web/pages/chat/page_meta.py	Wed Jun 28 10:05:13 2023 +0200
@@ -5,7 +5,7 @@
 from libervia.backend.core.log import getLogger
 from libervia.backend.tools.common import data_objects
 from libervia.backend.tools.common import data_format
-from twisted.words.protocols.jabber import jid
+from libervia.frontends.tools import jid
 from libervia.web.server.constants import Const as C
 from libervia.web.server import session_iface
 
@@ -26,22 +26,22 @@
     except IndexError:
         # not chat jid, we redirect to jid selection page
         self.page_redirect("chat_select", request)
+        return
 
     try:
         target_jid = jid.JID(target_jid_s)
-        if not target_jid.user:
+        if not target_jid.local:
             raise ValueError(_("invalid jid for chat (no local part)"))
     except Exception as e:
         log.warning(
-            _("bad chat jid entered: {jid} ({msg})").format(jid=target_jid, msg=e)
+            _("bad chat jid entered: {jid} ({msg})").format(jid=target_jid_s, msg=e)
         )
         self.page_error(request, C.HTTP_BAD_REQUEST)
     else:
         rdata["target"] = target_jid
 
 
-@defer.inlineCallbacks
-def prepare_render(self, request):
+async def prepare_render(self, request):
     #  FIXME: bug on room filtering (currently display messages from all rooms)
     session = self.host.get_session_data(request, session_iface.IWebSession)
     template_data = request.template_data
@@ -50,11 +50,13 @@
     profile = session.profile
     profile_jid = session.jid
 
-    disco = yield self.host.bridge_call("disco_infos", target_jid.host, "", True, profile)
+    disco = await self.host.bridge_call(
+        "disco_infos", target_jid.domain, "", True, profile
+    )
     if "conference" in [i[0] for i in disco[1]]:
         chat_type = C.CHAT_GROUP
-        join_ret = yield self.host.bridge_call(
-            "muc_join", target_jid.userhost(), "", "", profile
+        join_ret = await self.host.bridge_call(
+            "muc_join", target_jid.bare, "", "", profile
         )
         (already_joined,
          room_jid_s,
@@ -66,27 +68,28 @@
         template_data["subject"] = room_subject
         template_data["room_statuses"] = room_statuses
         own_jid = jid.JID(room_jid_s)
-        own_jid.resource = user_nick
+        own_jid = own_jid.change_resource(user_nick)
     else:
+        room_subject = None
         chat_type = C.CHAT_ONE2ONE
         own_jid = profile_jid
     rdata["chat_type"] = chat_type
     template_data["own_jid"] = own_jid
 
-    self.register_signal(request, "message_new")
-    history = yield self.host.bridge_call(
+    history = await self.host.bridge_call(
         "history_get",
         profile_jid.userhost(),
-        target_jid.userhost(),
+        target_jid.bare,
         20,
         True,
         {},
         profile,
     )
+
     authors = {m[2] for m in history}
     identities = session.identities
     for author in authors:
-        id_raw = yield self.host.bridge_call(
+        id_raw = await self.host.bridge_call(
             "identity_get", author, [], True, profile)
         identities[author] = data_format.deserialise(id_raw)
 
@@ -94,6 +97,13 @@
     rdata['identities'] = identities
     template_data["target_jid"] = target_jid
     template_data["chat_type"] = chat_type
+    self.expose_to_scripts(
+        request,
+        room_subject=room_subject,
+        own_jid=own_jid,
+        target_jid=target_jid,
+        chat_type=chat_type,
+    )
 
 
 def on_data(self, request, data):