diff --git a/changelog.d/5196.feature b/changelog.d/5196.feature
new file mode 100644
index 0000000000..1ffb928f62
--- /dev/null
+++ b/changelog.d/5196.feature
@@ -0,0 +1 @@
+Add an option to disable per-room profiles.
diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml
index 09ee0e8984..d218aefee5 100644
--- a/docs/sample_config.yaml
+++ b/docs/sample_config.yaml
@@ -276,6 +276,12 @@ listeners:
#
#require_membership_for_aliases: false
+# Whether to allow per-room membership profiles through the send of membership
+# events with profile information that differ from the target's global profile.
+# Defaults to 'true'.
+#
+#allow_per_room_profiles: false
+
## TLS ##
diff --git a/synapse/config/server.py b/synapse/config/server.py
index 7874cd9da7..1b8968608e 100644
--- a/synapse/config/server.py
+++ b/synapse/config/server.py
@@ -1,6 +1,7 @@
# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2017-2018 New Vector Ltd
+# Copyright 2019 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@@ -173,6 +174,10 @@ class ServerConfig(Config):
"require_membership_for_aliases", True,
)
+ # Whether to allow per-room membership profiles through the send of membership
+ # events with profile information that differ from the target's global profile.
+ self.allow_per_room_profiles = config.get("allow_per_room_profiles", True)
+
self.listeners = []
for listener in config.get("listeners", []):
if not isinstance(listener.get("port", None), int):
@@ -566,6 +571,12 @@ class ServerConfig(Config):
# Defaults to 'true'.
#
#require_membership_for_aliases: false
+
+ # Whether to allow per-room membership profiles through the send of membership
+ # events with profile information that differ from the target's global profile.
+ # Defaults to 'true'.
+ #
+ #allow_per_room_profiles: false
""" % locals()
def read_arguments(self, args):
diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py
index 3e86b9c690..ffc588d454 100644
--- a/synapse/handlers/room_member.py
+++ b/synapse/handlers/room_member.py
@@ -1,6 +1,7 @@
# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
+# Copyright 2019 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@@ -73,6 +74,7 @@ class RoomMemberHandler(object):
self.spam_checker = hs.get_spam_checker()
self._server_notices_mxid = self.config.server_notices_mxid
self._enable_lookup = hs.config.enable_3pid_lookup
+ self.allow_per_room_profiles = self.config.allow_per_room_profiles
# This is only used to get at ratelimit function, and
# maybe_kick_guest_users. It's fine there are multiple of these as
@@ -357,6 +359,13 @@ class RoomMemberHandler(object):
# later on.
content = dict(content)
+ if not self.allow_per_room_profiles:
+ # Strip profile data, knowing that new profile data will be added to the
+ # event's content in event_creation_handler.create_event() using the target's
+ # global profile.
+ content.pop("displayname", None)
+ content.pop("avatar_url", None)
+
effective_membership_state = action
if action in ["kick", "unban"]:
effective_membership_state = "leave"
diff --git a/tests/rest/client/v1/test_rooms.py b/tests/rest/client/v1/test_rooms.py
index 6220172cde..5f75ad7579 100644
--- a/tests/rest/client/v1/test_rooms.py
+++ b/tests/rest/client/v1/test_rooms.py
@@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
+# Copyright 2019 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@@ -24,7 +25,7 @@ from twisted.internet import defer
import synapse.rest.admin
from synapse.api.constants import Membership
-from synapse.rest.client.v1 import login, room
+from synapse.rest.client.v1 import login, profile, room
from tests import unittest
@@ -936,3 +937,70 @@ class PublicRoomsRestrictedTestCase(unittest.HomeserverTestCase):
request, channel = self.make_request("GET", self.url, access_token=tok)
self.render(request)
self.assertEqual(channel.code, 200, channel.result)
+
+
+class PerRoomProfilesForbiddenTestCase(unittest.HomeserverTestCase):
+
+ servlets = [
+ synapse.rest.admin.register_servlets_for_client_rest_resource,
+ room.register_servlets,
+ login.register_servlets,
+ profile.register_servlets,
+ ]
+
+ def make_homeserver(self, reactor, clock):
+ config = self.default_config()
+ config["allow_per_room_profiles"] = False
+ self.hs = self.setup_test_homeserver(config=config)
+
+ return self.hs
+
+ def prepare(self, reactor, clock, homeserver):
+ self.user_id = self.register_user("test", "test")
+ self.tok = self.login("test", "test")
+
+ # Set a profile for the test user
+ self.displayname = "test user"
+ data = {
+ "displayname": self.displayname,
+ }
+ request_data = json.dumps(data)
+ request, channel = self.make_request(
+ "PUT",
+ "/_matrix/client/r0/profile/%s/displayname" % (self.user_id,),
+ request_data,
+ access_token=self.tok,
+ )
+ self.render(request)
+ self.assertEqual(channel.code, 200, channel.result)
+
+ self.room_id = self.helper.create_room_as(self.user_id, tok=self.tok)
+
+ def test_per_room_profile_forbidden(self):
+ data = {
+ "membership": "join",
+ "displayname": "other test user"
+ }
+ request_data = json.dumps(data)
+ request, channel = self.make_request(
+ "PUT",
+ "/_matrix/client/r0/rooms/%s/state/m.room.member/%s" % (
+ self.room_id, self.user_id,
+ ),
+ request_data,
+ access_token=self.tok,
+ )
+ self.render(request)
+ self.assertEqual(channel.code, 200, channel.result)
+ event_id = channel.json_body["event_id"]
+
+ request, channel = self.make_request(
+ "GET",
+ "/_matrix/client/r0/rooms/%s/event/%s" % (self.room_id, event_id),
+ access_token=self.tok,
+ )
+ self.render(request)
+ self.assertEqual(channel.code, 200, channel.result)
+
+ res_displayname = channel.json_body["content"]["displayname"]
+ self.assertEqual(res_displayname, self.displayname, channel.result)
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