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Add remote profile cache

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This commit is contained in:
Erik Johnston 2017-08-25 11:21:34 +01:00
parent 97c544f91f
commit 27ebc5c8f2
5 changed files with 237 additions and 5 deletions
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18
synapse/groups/groups_server.py
View file

@ -503,6 +503,13 @@ class GroupsServerHandler(object):
get_domain_from_id(user_id), group_id, user_id, content
)
user_profile = res.get("user_profile", {})
yield self.store.add_remote_profile_cache(
user_id,
displayname=user_profile.get("displayname"),
avatar_url=user_profile.get("avatar_url"),
)
if res["state"] == "join":
if not self.hs.is_mine_id(user_id):
remote_attestation = res["attestation"]
@ -627,6 +634,9 @@ class GroupsServerHandler(object):
get_domain_from_id(user_id), group_id, user_id, {}
)
if not self.hs.is_mine_id(user_id):
yield self.store.maybe_delete_remote_profile_cache(user_id)
defer.returnValue({})
@defer.inlineCallbacks
@ -647,6 +657,7 @@ class GroupsServerHandler(object):
avatar_url = profile.get("avatar_url")
short_description = profile.get("short_description")
long_description = profile.get("long_description")
user_profile = content.get("user_profile", {})
yield self.store.create_group(
group_id,
@ -679,6 +690,13 @@ class GroupsServerHandler(object):
remote_attestation=remote_attestation,
)
if not self.hs.is_mine_id(user_id):
yield self.store.add_remote_profile_cache(
user_id,
displayname=user_profile.get("displayname"),
avatar_url=user_profile.get("avatar_url"),
)
defer.returnValue({
"group_id": group_id,
})

17
synapse/handlers/groups_local.py
View file

@ -56,6 +56,9 @@ class GroupsLocalHandler(object):
self.notifier = hs.get_notifier()
self.attestations = hs.get_groups_attestation_signing()
handlers = hs.get_handlers()
self.profile_handler = handlers.profile_handler
# Ensure attestations get renewed
hs.get_groups_attestation_renewer()
@ -123,6 +126,7 @@ class GroupsLocalHandler(object):
defer.returnValue(res)
@defer.inlineCallbacks
def create_group(self, group_id, user_id, content):
"""Create a group
"""
@ -130,13 +134,16 @@ class GroupsLocalHandler(object):
logger.info("Asking to create group with ID: %r", group_id)
if self.is_mine_id(group_id):
return self.groups_server_handler.create_group(
res = yield self.groups_server_handler.create_group(
group_id, user_id, content
)
defer.returnValue(res)
return self.transport_client.create_group(
content["user_profile"] = yield self.profile_handler.get_profile(user_id)
res = yield self.transport_client.create_group(
get_domain_from_id(group_id), group_id, user_id, content,
) # TODO
)
defer.returnValue(res)
@defer.inlineCallbacks
def get_users_in_group(self, group_id, requester_user_id):
@ -265,7 +272,9 @@ class GroupsLocalHandler(object):
"groups_key", token, users=[user_id],
)
defer.returnValue({"state": "invite"})
user_profile = yield self.profile_handler.get_profile(user_id)
defer.returnValue({"state": "invite", "user_profile": user_profile})
@defer.inlineCallbacks
def remove_user_from_group(self, group_id, user_id, requester_user_id, content):

81
synapse/handlers/profile.py
View file

@ -19,7 +19,7 @@ from twisted.internet import defer
import synapse.types
from synapse.api.errors import SynapseError, AuthError, CodeMessageException
from synapse.types import UserID
from synapse.types import UserID, get_domain_from_id
from ._base import BaseHandler
@ -27,15 +27,53 @@ logger = logging.getLogger(__name__)
class ProfileHandler(BaseHandler):
PROFILE_UPDATE_MS = 60 * 1000
PROFILE_UPDATE_EVERY_MS = 24 * 60 * 60 * 1000
def __init__(self, hs):
super(ProfileHandler, self).__init__(hs)
self.clock = hs.get_clock()
self.federation = hs.get_replication_layer()
self.federation.register_query_handler(
"profile", self.on_profile_query
)
self.clock.looping_call(self._update_remote_profile_cache, self.PROFILE_UPDATE_MS)
@defer.inlineCallbacks
def get_profile(self, user_id):
target_user = UserID.from_string(user_id)
if self.hs.is_mine(target_user):
displayname = yield self.store.get_profile_displayname(
target_user.localpart
)
avatar_url = yield self.store.get_profile_avatar_url(
target_user.localpart
)
defer.returnValue({
"displayname": displayname,
"avatar_url": avatar_url,
})
else:
try:
result = yield self.federation.make_query(
destination=target_user.domain,
query_type="profile",
args={
"user_id": user_id,
},
ignore_backoff=True,
)
defer.returnValue(result)
except CodeMessageException as e:
if e.code != 404:
logger.exception("Failed to get displayname")
raise
@defer.inlineCallbacks
def get_displayname(self, target_user):
if self.hs.is_mine(target_user):
@ -182,3 +220,44 @@ class ProfileHandler(BaseHandler):
"Failed to update join event for room %s - %s",
room_id, str(e.message)
)
def _update_remote_profile_cache(self):
"""Called periodically to check profiles of remote users we havent'
checked in a while.
"""
entries = yield self.store.get_remote_profile_cache_entries_that_expire(
last_checked=self.clock.time_msec() - self.PROFILE_UPDATE_EVERY_MS
)
for user_id, displayname, avatar_url in entries:
is_subcscribed = yield self.store.is_subscribed_remote_profile_for_user(
user_id,
)
if not is_subcscribed:
yield self.store.maybe_delete_remote_profile_cache(user_id)
continue
try:
profile = yield self.federation.make_query(
destination=get_domain_from_id(user_id),
query_type="profile",
args={
"user_id": user_id,
},
ignore_backoff=True,
)
except:
logger.exception("Failed to get avatar_url")
yield self.store.update_remote_profile_cache(
user_id, displayname, avatar_url
)
continue
new_name = profile.get("displayname")
new_avatar = profile.get("avatar_url")
# We always hit update to update the last_check timestamp
yield self.store.update_remote_profile_cache(
user_id, new_name, new_avatar
)

98
synapse/storage/profile.py
View file

@ -13,6 +13,8 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from twisted.internet import defer
from ._base import SQLBaseStore
@ -55,3 +57,99 @@ class ProfileStore(SQLBaseStore):
updatevalues={"avatar_url": new_avatar_url},
desc="set_profile_avatar_url",
)
def get_from_remote_profile_cache(self, user_id):
return self._simple_select_one(
table="remote_profile_cache",
keyvalues={"user_id": user_id},
retcols=("displayname", "avatar_url", "last_check"),
allow_none=True,
desc="get_from_remote_profile_cache",
)
def add_remote_profile_cache(self, user_id, displayname, avatar_url):
"""Ensure we are caching the remote user's profiles.
This should only be called when `is_subscribed_remote_profile_for_user`
would return true for the user.
"""
return self._simple_upsert(
table="remote_profile_cache",
keyvalues={"user_id": user_id},
values={
"displayname": displayname,
"avatar_url": avatar_url,
"last_check": self._clock.time_msec(),
},
desc="add_remote_profile_cache",
)
def update_remote_profile_cache(self, user_id, displayname, avatar_url):
return self._simple_update(
table="remote_profile_cache",
keyvalues={"user_id": user_id},
values={
"displayname": displayname,
"avatar_url": avatar_url,
"last_check": self._clock.time_msec(),
},
desc="update_remote_profile_cache",
)
@defer.inlineCallbacks
def maybe_delete_remote_profile_cache(self, user_id):
"""Check if we still care about the remote user's profile, and if we
don't then remove their profile from the cache
"""
subscribed = yield self.is_subscribed_remote_profile_for_user(user_id)
if not subscribed:
yield self._simple_delete(
table="remote_profile_cache",
keyvalues={"user_id": user_id},
desc="delete_remote_profile_cache",
)
def get_remote_profile_cache_entries_that_expire(self, last_checked):
"""Get all users who haven't been checked since `last_checked`
"""
def _get_remote_profile_cache_entries_that_expire_txn(txn):
sql = """
SELECT user_id, displayname, avatar_url
FROM remote_profile_cache
WHERE last_check < ?
"""
txn.execute(sql, (last_checked,))
return self.cursor_to_dict(txn)
return self.runInteraction(
"get_remote_profile_cache_entries_that_expire",
_get_remote_profile_cache_entries_that_expire_txn,
)
@defer.inlineCallbacks
def is_subscribed_remote_profile_for_user(self, user_id):
"""Check whether we are interested in a remote user's profile.
"""
res = yield self._simple_select_one_onecol(
table="group_users",
keyvalues={"user_id": user_id},
retcol="user_id",
allow_none=True,
desc="should_update_remote_profile_cache_for_user",
)
if res:
defer.returnValue(True)
res = yield self._simple_select_one_onecol(
table="group_invites",
keyvalues={"user_id": user_id},
retcol="user_id",
allow_none=True,
desc="should_update_remote_profile_cache_for_user",
)
if res:
defer.returnValue(True)

28
synapse/storage/schema/delta/43/profile_cache.sql Normal file
View file

@ -0,0 +1,28 @@
/* Copyright 2017 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.
*/
-- A subset of remote users whose profiles we have cached.
-- Whether a user is in this table or not is defined by the storage function
-- `is_subscribed_remote_profile_for_user`
CREATE TABLE remote_profile_cache (
user_id TEXT NOT NULL,
displayname TEXT,
avatar_url TEXT,
last_check BIGINT NOT NULL
);
CREATE UNIQUE INDEX remote_profile_cache_user_id ON remote_profile_cache(user_id);
CREATE INDEX remote_profile_cache_time ON remote_profile_cache(last_check);