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Remove presence lists (#4989)

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Remove presence list support as per MSC 1819
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Neil Johnson 2019-04-03 11:11:15 +01:00 committed by GitHub
parent 8f549c1177
commit e8419554ff
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9 changed files with 23 additions and 456 deletions
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1
changelog.d/4989.feature Normal file
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@ -0,0 +1 @@
Remove presence list support as per MSC 1819.

167
synapse/handlers/presence.py
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@ -113,27 +113,6 @@ class PresenceHandler(object):
federation_registry.register_edu_handler(
"m.presence", self.incoming_presence
)
federation_registry.register_edu_handler(
"m.presence_invite",
lambda origin, content: self.invite_presence(
observed_user=UserID.from_string(content["observed_user"]),
observer_user=UserID.from_string(content["observer_user"]),
)
)
federation_registry.register_edu_handler(
"m.presence_accept",
lambda origin, content: self.accept_presence(
observed_user=UserID.from_string(content["observed_user"]),
observer_user=UserID.from_string(content["observer_user"]),
)
)
federation_registry.register_edu_handler(
"m.presence_deny",
lambda origin, content: self.deny_presence(
observed_user=UserID.from_string(content["observed_user"]),
observer_user=UserID.from_string(content["observer_user"]),
)
)
active_presence = self.store.take_presence_startup_info()
@ -759,137 +738,6 @@ class PresenceHandler(object):
yield self._update_states([prev_state.copy_and_replace(**new_fields)])
@defer.inlineCallbacks
def get_presence_list(self, observer_user, accepted=None):
"""Returns the presence for all users in their presence list.
"""
if not self.is_mine(observer_user):
raise SynapseError(400, "User is not hosted on this Home Server")
presence_list = yield self.store.get_presence_list(
observer_user.localpart, accepted=accepted
)
results = yield self.get_states(
target_user_ids=[row["observed_user_id"] for row in presence_list],
as_event=False,
)
now = self.clock.time_msec()
results[:] = [format_user_presence_state(r, now) for r in results]
is_accepted = {
row["observed_user_id"]: row["accepted"] for row in presence_list
}
for result in results:
result.update({
"accepted": is_accepted,
})
defer.returnValue(results)
@defer.inlineCallbacks
def send_presence_invite(self, observer_user, observed_user):
"""Sends a presence invite.
"""
yield self.store.add_presence_list_pending(
observer_user.localpart, observed_user.to_string()
)
if self.is_mine(observed_user):
yield self.invite_presence(observed_user, observer_user)
else:
yield self.federation.build_and_send_edu(
destination=observed_user.domain,
edu_type="m.presence_invite",
content={
"observed_user": observed_user.to_string(),
"observer_user": observer_user.to_string(),
}
)
@defer.inlineCallbacks
def invite_presence(self, observed_user, observer_user):
"""Handles new presence invites.
"""
if not self.is_mine(observed_user):
raise SynapseError(400, "User is not hosted on this Home Server")
# TODO: Don't auto accept
if self.is_mine(observer_user):
yield self.accept_presence(observed_user, observer_user)
else:
self.federation.build_and_send_edu(
destination=observer_user.domain,
edu_type="m.presence_accept",
content={
"observed_user": observed_user.to_string(),
"observer_user": observer_user.to_string(),
}
)
state_dict = yield self.get_state(observed_user, as_event=False)
state_dict = format_user_presence_state(state_dict, self.clock.time_msec())
self.federation.build_and_send_edu(
destination=observer_user.domain,
edu_type="m.presence",
content={
"push": [state_dict]
}
)
@defer.inlineCallbacks
def accept_presence(self, observed_user, observer_user):
"""Handles a m.presence_accept EDU. Mark a presence invite from a
local or remote user as accepted in a local user's presence list.
Starts polling for presence updates from the local or remote user.
Args:
observed_user(UserID): The user to update in the presence list.
observer_user(UserID): The owner of the presence list to update.
"""
yield self.store.set_presence_list_accepted(
observer_user.localpart, observed_user.to_string()
)
@defer.inlineCallbacks
def deny_presence(self, observed_user, observer_user):
"""Handle a m.presence_deny EDU. Removes a local or remote user from a
local user's presence list.
Args:
observed_user(UserID): The local or remote user to remove from the
list.
observer_user(UserID): The local owner of the presence list.
Returns:
A Deferred.
"""
yield self.store.del_presence_list(
observer_user.localpart, observed_user.to_string()
)
# TODO(paul): Inform the user somehow?
@defer.inlineCallbacks
def drop(self, observed_user, observer_user):
"""Remove a local or remote user from a local user's presence list and
unsubscribe the local user from updates that user.
Args:
observed_user(UserId): The local or remote user to remove from the
list.
observer_user(UserId): The local owner of the presence list.
Returns:
A Deferred.
"""
if not self.is_mine(observer_user):
raise SynapseError(400, "User is not hosted on this Home Server")
yield self.store.del_presence_list(
observer_user.localpart, observed_user.to_string()
)
# TODO: Inform the remote that we've dropped the presence list.
@defer.inlineCallbacks
def is_visible(self, observed_user, observer_user):
"""Returns whether a user can see another user's presence.
@ -904,11 +752,7 @@ class PresenceHandler(object):
if observer_room_ids & observed_room_ids:
defer.returnValue(True)
accepted_observers = yield self.store.get_presence_list_observers_accepted(
observed_user.to_string()
)
defer.returnValue(observer_user.to_string() in accepted_observers)
defer.returnValue(False)
@defer.inlineCallbacks
def get_all_presence_updates(self, last_id, current_id):
@ -1204,10 +1048,7 @@ class PresenceEventSource(object):
updates for
"""
user_id = user.to_string()
plist = yield self.store.get_presence_list_accepted(
user.localpart, on_invalidate=cache_context.invalidate,
)
users_interested_in = set(row["observed_user_id"] for row in plist)
users_interested_in = set()
users_interested_in.add(user_id) # So that we receive our own presence
users_who_share_room = yield self.store.get_users_who_share_room_with_user(
@ -1412,10 +1253,6 @@ def get_interested_parties(store, states):
for room_id in room_ids:
room_ids_to_states.setdefault(room_id, []).append(state)
plist = yield store.get_presence_list_observers_accepted(state.user_id)
for u in plist:
users_to_states.setdefault(u, []).append(state)
# Always notify self
users_to_states.setdefault(state.user_id, []).append(state)

10
synapse/replication/slave/storage/presence.py
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@ -39,16 +39,6 @@ class SlavedPresenceStore(BaseSlavedStore):
_get_presence_for_user = PresenceStore.__dict__["_get_presence_for_user"]
get_presence_for_users = PresenceStore.__dict__["get_presence_for_users"]
# XXX: This is a bit broken because we don't persist the accepted list in a
# way that can be replicated. This means that we don't have a way to
# invalidate the cache correctly.
get_presence_list_accepted = PresenceStore.__dict__[
"get_presence_list_accepted"
]
get_presence_list_observers_accepted = PresenceStore.__dict__[
"get_presence_list_observers_accepted"
]
def get_current_presence_token(self):
return self._presence_id_gen.get_current_token()

67
synapse/rest/client/v1/presence.py
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@ -93,72 +93,5 @@ class PresenceStatusRestServlet(ClientV1RestServlet):
return (200, {})
class PresenceListRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns("/presence/list/(?P<user_id>[^/]*)")
def __init__(self, hs):
super(PresenceListRestServlet, self).__init__(hs)
self.presence_handler = hs.get_presence_handler()
@defer.inlineCallbacks
def on_GET(self, request, user_id):
requester = yield self.auth.get_user_by_req(request)
user = UserID.from_string(user_id)
if not self.hs.is_mine(user):
raise SynapseError(400, "User not hosted on this Home Server")
if requester.user != user:
raise SynapseError(400, "Cannot get another user's presence list")
presence = yield self.presence_handler.get_presence_list(
observer_user=user, accepted=True
)
defer.returnValue((200, presence))
@defer.inlineCallbacks
def on_POST(self, request, user_id):
requester = yield self.auth.get_user_by_req(request)
user = UserID.from_string(user_id)
if not self.hs.is_mine(user):
raise SynapseError(400, "User not hosted on this Home Server")
if requester.user != user:
raise SynapseError(
400, "Cannot modify another user's presence list")
content = parse_json_object_from_request(request)
if "invite" in content:
for u in content["invite"]:
if not isinstance(u, string_types):
raise SynapseError(400, "Bad invite value.")
if len(u) == 0:
continue
invited_user = UserID.from_string(u)
yield self.presence_handler.send_presence_invite(
observer_user=user, observed_user=invited_user
)
if "drop" in content:
for u in content["drop"]:
if not isinstance(u, string_types):
raise SynapseError(400, "Bad drop value.")
if len(u) == 0:
continue
dropped_user = UserID.from_string(u)
yield self.presence_handler.drop(
observer_user=user, observed_user=dropped_user
)
defer.returnValue((200, {}))
def on_OPTIONS(self, request):
return (200, {})
def register_servlets(hs, http_server):
PresenceStatusRestServlet(hs).register(http_server)
PresenceListRestServlet(hs).register(http_server)

2
synapse/storage/prepare_database.py
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@ -25,7 +25,7 @@ logger = logging.getLogger(__name__)
# Remember to update this number every time a change is made to database
# schema files, so the users will be informed on server restarts.
SCHEMA_VERSION = 53
SCHEMA_VERSION = 54
dir_path = os.path.abspath(os.path.dirname(__file__))

86
synapse/storage/presence.py
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@ -19,7 +19,7 @@ from twisted.internet import defer
from synapse.api.constants import PresenceState
from synapse.util import batch_iter
from synapse.util.caches.descriptors import cached, cachedInlineCallbacks, cachedList
from synapse.util.caches.descriptors import cached, cachedList
from ._base import SQLBaseStore
@ -205,87 +205,3 @@ class PresenceStore(SQLBaseStore):
},
desc="disallow_presence_visible",
)
def add_presence_list_pending(self, observer_localpart, observed_userid):
return self._simple_insert(
table="presence_list",
values={
"user_id": observer_localpart,
"observed_user_id": observed_userid,
"accepted": False,
},
desc="add_presence_list_pending",
)
def set_presence_list_accepted(self, observer_localpart, observed_userid):
def update_presence_list_txn(txn):
result = self._simple_update_one_txn(
txn,
table="presence_list",
keyvalues={
"user_id": observer_localpart,
"observed_user_id": observed_userid,
},
updatevalues={"accepted": True},
)
self._invalidate_cache_and_stream(
txn, self.get_presence_list_accepted, (observer_localpart,)
)
self._invalidate_cache_and_stream(
txn, self.get_presence_list_observers_accepted, (observed_userid,)
)
return result
return self.runInteraction(
"set_presence_list_accepted", update_presence_list_txn
)
def get_presence_list(self, observer_localpart, accepted=None):
if accepted:
return self.get_presence_list_accepted(observer_localpart)
else:
keyvalues = {"user_id": observer_localpart}
if accepted is not None:
keyvalues["accepted"] = accepted
return self._simple_select_list(
table="presence_list",
keyvalues=keyvalues,
retcols=["observed_user_id", "accepted"],
desc="get_presence_list",
)
@cached()
def get_presence_list_accepted(self, observer_localpart):
return self._simple_select_list(
table="presence_list",
keyvalues={"user_id": observer_localpart, "accepted": True},
retcols=["observed_user_id", "accepted"],
desc="get_presence_list_accepted",
)
@cachedInlineCallbacks()
def get_presence_list_observers_accepted(self, observed_userid):
user_localparts = yield self._simple_select_onecol(
table="presence_list",
keyvalues={"observed_user_id": observed_userid, "accepted": True},
retcol="user_id",
desc="get_presence_list_accepted",
)
defer.returnValue(["@%s:%s" % (u, self.hs.hostname) for u in user_localparts])
@defer.inlineCallbacks
def del_presence_list(self, observer_localpart, observed_userid):
yield self._simple_delete_one(
table="presence_list",
keyvalues={
"user_id": observer_localpart,
"observed_user_id": observed_userid,
},
desc="del_presence_list",
)
self.get_presence_list_accepted.invalidate((observer_localpart,))
self.get_presence_list_observers_accepted.invalidate((observed_userid,))

16
synapse/storage/schema/delta/54/drop_presence_list.sql Normal file
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@ -0,0 +1,16 @@
/* Copyright 2019 New Vector Ltd
*
* 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.
*/
DROP TABLE IF EXISTS presence_list;

12
synapse/storage/schema/full_schemas/16/presence.sql
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@ -28,13 +28,5 @@ CREATE TABLE IF NOT EXISTS presence_allow_inbound(
UNIQUE (observed_user_id, observer_user_id)
);
-- For each of /my/ users (watcher), which possibly-remote users are they
-- watching?
CREATE TABLE IF NOT EXISTS presence_list(
user_id TEXT NOT NULL,
observed_user_id TEXT NOT NULL, -- a UserID,
accepted BOOLEAN NOT NULL,
UNIQUE (user_id, observed_user_id)
);
CREATE INDEX presence_list_user_id ON presence_list (user_id);
-- We used to create a table called presence_list, but this is no longer used
-- and is removed in delta 54.

118
tests/storage/test_presence.py
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@ -1,118 +0,0 @@
# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
#
# 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 synapse.types import UserID
from tests import unittest
from tests.utils import setup_test_homeserver
class PresenceStoreTestCase(unittest.TestCase):
@defer.inlineCallbacks
def setUp(self):
hs = yield setup_test_homeserver(self.addCleanup)
self.store = hs.get_datastore()
self.u_apple = UserID.from_string("@apple:test")
self.u_banana = UserID.from_string("@banana:test")
@defer.inlineCallbacks
def test_presence_list(self):
self.assertEquals(
[],
(
yield self.store.get_presence_list(
observer_localpart=self.u_apple.localpart
)
),
)
self.assertEquals(
[],
(
yield self.store.get_presence_list(
observer_localpart=self.u_apple.localpart, accepted=True
)
),
)
yield self.store.add_presence_list_pending(
observer_localpart=self.u_apple.localpart,
observed_userid=self.u_banana.to_string(),
)
self.assertEquals(
[{"observed_user_id": "@banana:test", "accepted": 0}],
(
yield self.store.get_presence_list(
observer_localpart=self.u_apple.localpart
)
),
)
self.assertEquals(
[],
(
yield self.store.get_presence_list(
observer_localpart=self.u_apple.localpart, accepted=True
)
),
)
yield self.store.set_presence_list_accepted(
observer_localpart=self.u_apple.localpart,
observed_userid=self.u_banana.to_string(),
)
self.assertEquals(
[{"observed_user_id": "@banana:test", "accepted": 1}],
(
yield self.store.get_presence_list(
observer_localpart=self.u_apple.localpart
)
),
)
self.assertEquals(
[{"observed_user_id": "@banana:test", "accepted": 1}],
(
yield self.store.get_presence_list(
observer_localpart=self.u_apple.localpart, accepted=True
)
),
)
yield self.store.del_presence_list(
observer_localpart=self.u_apple.localpart,
observed_userid=self.u_banana.to_string(),
)
self.assertEquals(
[],
(
yield self.store.get_presence_list(
observer_localpart=self.u_apple.localpart
)
),
)
self.assertEquals(
[],
(
yield self.store.get_presence_list(
observer_localpart=self.u_apple.localpart, accepted=True
)
),
)