diff --git a/synapse/handlers/__init__.py b/synapse/handlers/__init__.py index 7417a02ce..b64597776 100644 --- a/synapse/handlers/__init__.py +++ b/synapse/handlers/__init__.py @@ -23,6 +23,7 @@ from .login import LoginHandler from .profile import ProfileHandler from .presence import PresenceHandler from .directory import DirectoryHandler +from .typing import TypingNotificationHandler class Handlers(object): @@ -46,3 +47,4 @@ class Handlers(object): self.room_list_handler = RoomListHandler(hs) self.login_handler = LoginHandler(hs) self.directory_handler = DirectoryHandler(hs) + self.typing_notification_handler = TypingNotificationHandler(hs) diff --git a/synapse/handlers/typing.py b/synapse/handlers/typing.py new file mode 100644 index 000000000..9d38a7336 --- /dev/null +++ b/synapse/handlers/typing.py @@ -0,0 +1,146 @@ +# -*- coding: utf-8 -*- +# Copyright 2014 matrix.org +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +from twisted.internet import defer + +from ._base import BaseHandler + +import logging + +from collections import namedtuple + + +logger = logging.getLogger(__name__) + + +# A tiny object useful for storing a user's membership in a room, as a mapping +# key +RoomMember = namedtuple("RoomMember", ("room_id", "user")) + + +class TypingNotificationHandler(BaseHandler): + def __init__(self, hs): + super(TypingNotificationHandler, self).__init__(hs) + + self.homeserver = hs + + self.clock = hs.get_clock() + + self.federation = hs.get_replication_layer() + + self.federation.register_edu_handler("m.typing", self._recv_edu) + + self._member_typing_until = {} + + @defer.inlineCallbacks + def started_typing(self, target_user, auth_user, room_id, timeout): + if not target_user.is_mine: + raise SynapseError(400, "User is not hosted on this Home Server") + + if target_user != auth_user: + raise AuthError(400, "Cannot set another user's typing state") + + until = self.clock.time_msec() + timeout + member = RoomMember(room_id=room_id, user=target_user) + + was_present = member in self._member_typing_until + + self._member_typing_until[member] = until + + if was_present: + # No point sending another notification + defer.returnValue(None) + + yield self._push_update( + room_id=room_id, + user=target_user, + typing=True, + ) + + @defer.inlineCallbacks + def stopped_typing(self, target_user, auth_user, room_id): + if not target_user.is_mine: + raise SynapseError(400, "User is not hosted on this Home Server") + + if target_user != auth_user: + raise AuthError(400, "Cannot set another user's typing state") + + member = RoomMember(room_id=room_id, user=target_user) + + if member not in self._member_typing_until: + # No point + defer.returnValue(None) + + yield self._push_update( + room_id=room_id, + user=target_user, + typing=False, + ) + + @defer.inlineCallbacks + def _push_update(self, room_id, user, typing): + localusers = set() + remotedomains = set() + + rm_handler = self.homeserver.get_handlers().room_member_handler + yield rm_handler.fetch_room_distributions_into(room_id, + localusers=localusers, remotedomains=remotedomains, + ignore_user=user) + + for u in localusers: + self.push_update_to_clients( + room_id=room_id, + observer_user=u, + observed_user=user, + typing=typing, + ) + + deferreds = [] + for domain in remotedomains: + deferreds.append(self.federation.send_edu( + destination=domain, + edu_type="m.typing", + content={ + "room_id": room_id, + "user_id": user.to_string(), + "typing": typing, + }, + )) + + yield defer.DeferredList(deferreds, consumeErrors=False) + + @defer.inlineCallbacks + def _recv_edu(self, origin, content): + room_id = content["room_id"] + user = self.homeserver.parse_userid(content["user_id"]) + + localusers = set() + + rm_handler = self.homeserver.get_handlers().room_member_handler + yield rm_handler.fetch_room_distributions_into(room_id, + localusers=localusers) + + for u in localusers: + self.push_update_to_clients( + room_id=room_id, + observer_user=u, + observed_user=user, + typing=content["typing"] + ) + + def push_update_to_clients(self, room_id, observer_user, observed_user, + typing): + # TODO(paul) steal this from presence.py + pass diff --git a/tests/handlers/test_typing.py b/tests/handlers/test_typing.py new file mode 100644 index 000000000..300a6e340 --- /dev/null +++ b/tests/handlers/test_typing.py @@ -0,0 +1,250 @@ +# -*- coding: utf-8 -*- +# Copyright 2014 matrix.org +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + + +from twisted.trial import unittest +from twisted.internet import defer + +from mock import Mock, call, ANY +import json +import logging + +from ..utils import MockHttpResource, MockClock, DeferredMockCallable + +from synapse.server import HomeServer +from synapse.handlers.typing import TypingNotificationHandler + + +logging.getLogger().addHandler(logging.NullHandler()) + + +def _expect_edu(destination, edu_type, content, origin="test"): + return { + "origin": origin, + "ts": 1000000, + "pdus": [], + "edus": [ + { + "origin": origin, + "destination": destination, + "edu_type": edu_type, + "content": content, + } + ], + } + + +def _make_edu_json(origin, edu_type, content): + return json.dumps(_expect_edu("test", edu_type, content, origin=origin)) + + +class JustTypingNotificationHandlers(object): + def __init__(self, hs): + self.typing_notification_handler = TypingNotificationHandler(hs) + + +class TypingNotificationsTestCase(unittest.TestCase): + """Tests typing notifications to rooms.""" + def setUp(self): + self.clock = MockClock() + + self.mock_http_client = Mock(spec=[]) + self.mock_http_client.put_json = DeferredMockCallable() + + self.mock_federation_resource = MockHttpResource() + + hs = HomeServer("test", + clock=self.clock, + db_pool=None, + datastore=Mock(spec=[ + # Bits that Federation needs + "prep_send_transaction", + "delivered_txn", + "get_received_txn_response", + "set_received_txn_response", + ]), + handlers=None, + resource_for_client=Mock(), + resource_for_federation=self.mock_federation_resource, + http_client=self.mock_http_client, + ) + hs.handlers = JustTypingNotificationHandlers(hs) + + self.mock_update_client = Mock() + self.mock_update_client.return_value = defer.succeed(None) + + self.handler = hs.get_handlers().typing_notification_handler + self.handler.push_update_to_clients = self.mock_update_client + + self.datastore = hs.get_datastore() + + def get_received_txn_response(*args): + return defer.succeed(None) + self.datastore.get_received_txn_response = get_received_txn_response + + self.room_id = "a-room" + + # Mock the RoomMemberHandler + hs.handlers.room_member_handler = Mock(spec=[]) + self.room_member_handler = hs.handlers.room_member_handler + + self.room_members = [] + + def get_rooms_for_user(user): + if user in self.room_members: + return defer.succeed([self.room_id]) + else: + return defer.succeed([]) + self.room_member_handler.get_rooms_for_user = get_rooms_for_user + + def get_room_members(room_id): + if room_id == self.room_id: + return defer.succeed(self.room_members) + else: + return defer.succeed([]) + self.room_member_handler.get_room_members = get_room_members + + @defer.inlineCallbacks + def fetch_room_distributions_into(room_id, localusers=None, + remotedomains=None, ignore_user=None): + + members = yield get_room_members(room_id) + for member in members: + if ignore_user is not None and member == ignore_user: + continue + + if member.is_mine: + if localusers is not None: + localusers.add(member) + else: + if remotedomains is not None: + remotedomains.add(member.domain) + self.room_member_handler.fetch_room_distributions_into = ( + fetch_room_distributions_into) + + # Some local users to test with + self.u_apple = hs.parse_userid("@apple:test") + self.u_banana = hs.parse_userid("@banana:test") + + # Remote user + self.u_onion = hs.parse_userid("@onion:farm") + + @defer.inlineCallbacks + def test_started_typing_local(self): + self.room_members = [self.u_apple, self.u_banana] + + yield self.handler.started_typing( + target_user=self.u_apple, + auth_user=self.u_apple, + room_id=self.room_id, + timeout=20000, + ) + + self.mock_update_client.assert_has_calls([ + call(observer_user=self.u_banana, + observed_user=self.u_apple, + room_id=self.room_id, + typing=True), + ]) + + @defer.inlineCallbacks + def test_started_typing_remote_send(self): + self.room_members = [self.u_apple, self.u_onion] + + put_json = self.mock_http_client.put_json + put_json.expect_call_and_return( + call("farm", + path="/matrix/federation/v1/send/1000000/", + data=_expect_edu("farm", "m.typing", + content={ + "room_id": self.room_id, + "user_id": self.u_apple.to_string(), + "typing": True, + } + ) + ), + defer.succeed((200, "OK")) + ) + + yield self.handler.started_typing( + target_user=self.u_apple, + auth_user=self.u_apple, + room_id=self.room_id, + timeout=20000, + ) + + yield put_json.await_calls() + + @defer.inlineCallbacks + def test_started_typing_remote_recv(self): + self.room_members = [self.u_apple, self.u_onion] + + yield self.mock_federation_resource.trigger("PUT", + "/matrix/federation/v1/send/1000000/", + _make_edu_json("farm", "m.typing", + content={ + "room_id": self.room_id, + "user_id": self.u_onion.to_string(), + "typing": True, + } + ) + ) + + self.mock_update_client.assert_has_calls([ + call(observer_user=self.u_apple, + observed_user=self.u_onion, + room_id=self.room_id, + typing=True), + ]) + + @defer.inlineCallbacks + def test_stopped_typing(self): + self.room_members = [self.u_apple, self.u_banana, self.u_onion] + + put_json = self.mock_http_client.put_json + put_json.expect_call_and_return( + call("farm", + path="/matrix/federation/v1/send/1000000/", + data=_expect_edu("farm", "m.typing", + content={ + "room_id": self.room_id, + "user_id": self.u_apple.to_string(), + "typing": False, + } + ) + ), + defer.succeed((200, "OK")) + ) + + # Gut-wrenching + from synapse.handlers.typing import RoomMember + self.handler._member_typing_until[ + RoomMember(self.room_id, self.u_apple) + ] = 1002000 + + yield self.handler.stopped_typing( + target_user=self.u_apple, + auth_user=self.u_apple, + room_id=self.room_id, + ) + + self.mock_update_client.assert_has_calls([ + call(observer_user=self.u_banana, + observed_user=self.u_apple, + room_id=self.room_id, + typing=False), + ]) + + yield put_json.await_calls()