summary refs log tree commit diff
path: root/synapse/storage/databases/main/profile.py
diff options
context:
space:
mode:
Diffstat (limited to 'synapse/storage/databases/main/profile.py')
-rw-r--r--synapse/storage/databases/main/profile.py296
1 files changed, 296 insertions, 0 deletions
diff --git a/synapse/storage/databases/main/profile.py b/synapse/storage/databases/main/profile.py
new file mode 100644

index 0000000000..f36442bd01 --- /dev/null +++ b/synapse/storage/databases/main/profile.py
@@ -0,0 +1,296 @@ +# -*- coding: utf-8 -*- +# Copyright 2014-2016 OpenMarket Ltd +# Copyright 2018 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. + +from typing import List, Tuple + +from twisted.internet import defer + +from synapse.api.errors import StoreError +from synapse.storage._base import SQLBaseStore +from synapse.storage.databases.main.roommember import ProfileInfo +from synapse.types import UserID +from synapse.util.caches.descriptors import cached + +BATCH_SIZE = 100 + + +class ProfileWorkerStore(SQLBaseStore): + @defer.inlineCallbacks + def get_profileinfo(self, user_localpart): + try: + profile = yield self.db_pool.simple_select_one( + table="profiles", + keyvalues={"user_id": user_localpart}, + retcols=("displayname", "avatar_url"), + desc="get_profileinfo", + ) + except StoreError as e: + if e.code == 404: + # no match + return ProfileInfo(None, None) + else: + raise + + return ProfileInfo( + avatar_url=profile["avatar_url"], display_name=profile["displayname"] + ) + + @cached(max_entries=5000) + def get_profile_displayname(self, user_localpart): + return self.db_pool.simple_select_one_onecol( + table="profiles", + keyvalues={"user_id": user_localpart}, + retcol="displayname", + desc="get_profile_displayname", + ) + + @cached(max_entries=5000) + def get_profile_avatar_url(self, user_localpart): + return self.db_pool.simple_select_one_onecol( + table="profiles", + keyvalues={"user_id": user_localpart}, + retcol="avatar_url", + desc="get_profile_avatar_url", + ) + + def get_latest_profile_replication_batch_number(self): + def f(txn): + txn.execute("SELECT MAX(batch) as maxbatch FROM profiles") + rows = self.db_pool.cursor_to_dict(txn) + return rows[0]["maxbatch"] + + return self.db_pool.runInteraction( + "get_latest_profile_replication_batch_number", f + ) + + def get_profile_batch(self, batchnum): + return self.db_pool.simple_select_list( + table="profiles", + keyvalues={"batch": batchnum}, + retcols=("user_id", "displayname", "avatar_url", "active"), + desc="get_profile_batch", + ) + + def assign_profile_batch(self): + def f(txn): + sql = ( + "UPDATE profiles SET batch = " + "(SELECT COALESCE(MAX(batch), -1) + 1 FROM profiles) " + "WHERE user_id in (" + " SELECT user_id FROM profiles WHERE batch is NULL limit ?" + ")" + ) + txn.execute(sql, (BATCH_SIZE,)) + return txn.rowcount + + return self.db_pool.runInteraction("assign_profile_batch", f) + + def get_replication_hosts(self): + def f(txn): + txn.execute( + "SELECT host, last_synced_batch FROM profile_replication_status" + ) + rows = self.db_pool.cursor_to_dict(txn) + return {r["host"]: r["last_synced_batch"] for r in rows} + + return self.db_pool.runInteraction("get_replication_hosts", f) + + def update_replication_batch_for_host(self, host, last_synced_batch): + return self.db_pool.simple_upsert( + table="profile_replication_status", + keyvalues={"host": host}, + values={"last_synced_batch": last_synced_batch}, + desc="update_replication_batch_for_host", + ) + + def get_from_remote_profile_cache(self, user_id): + return self.db_pool.simple_select_one( + table="remote_profile_cache", + keyvalues={"user_id": user_id}, + retcols=("displayname", "avatar_url"), + allow_none=True, + desc="get_from_remote_profile_cache", + ) + + def create_profile(self, user_localpart): + return self.db_pool.simple_insert( + table="profiles", values={"user_id": user_localpart}, desc="create_profile" + ) + + def set_profile_displayname(self, user_localpart, new_displayname, batchnum): + # Invalidate the read cache for this user + self.get_profile_displayname.invalidate((user_localpart,)) + + return self.db_pool.simple_upsert( + table="profiles", + keyvalues={"user_id": user_localpart}, + values={"displayname": new_displayname, "batch": batchnum}, + desc="set_profile_displayname", + lock=False, # we can do this because user_id has a unique index + ) + + def set_profile_avatar_url(self, user_localpart, new_avatar_url, batchnum): + # Invalidate the read cache for this user + self.get_profile_avatar_url.invalidate((user_localpart,)) + + return self.db_pool.simple_upsert( + table="profiles", + keyvalues={"user_id": user_localpart}, + values={"avatar_url": new_avatar_url, "batch": batchnum}, + desc="set_profile_avatar_url", + lock=False, # we can do this because user_id has a unique index + ) + + def set_profiles_active( + self, users: List[UserID], active: bool, hide: bool, batchnum: int, + ): + """Given a set of users, set active and hidden flags on them. + + Args: + users: A list of UserIDs + active: Whether to set the users to active or inactive + hide: Whether to hide the users (withold from replication). If + False and active is False, users will have their profiles + erased + batchnum: The batch number, used for profile replication + + Returns: + Deferred + """ + # Convert list of localparts to list of tuples containing localparts + user_localparts = [(user.localpart,) for user in users] + + # Generate list of value tuples for each user + value_names = ("active", "batch") + values = [(int(active), batchnum) for _ in user_localparts] # type: List[Tuple] + + if not active and not hide: + # we are deactivating for real (not in hide mode) + # so clear the profile information + value_names += ("avatar_url", "displayname") + values = [v + (None, None) for v in values] + + return self.db_pool.runInteraction( + "set_profiles_active", + self.db_pool.simple_upsert_many_txn, + table="profiles", + key_names=("user_id",), + key_values=user_localparts, + value_names=value_names, + value_values=values, + ) + + +class ProfileStore(ProfileWorkerStore): + def __init__(self, database, db_conn, hs): + + super(ProfileStore, self).__init__(database, db_conn, hs) + + self.db_pool.updates.register_background_index_update( + "profile_replication_status_host_index", + index_name="profile_replication_status_idx", + table="profile_replication_status", + columns=["host"], + unique=True, + ) + + 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.db_pool.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.db_pool.simple_upsert( + table="remote_profile_cache", + keyvalues={"user_id": user_id}, + updatevalues={ + "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.db_pool.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.db_pool.cursor_to_dict(txn) + + return self.db_pool.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.db_pool.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: + return True + + res = yield self.db_pool.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: + return True