Merge pull request #2723 from matrix-org/matthew/search-all-local-users

Add all local users to the user_directory and optionally search them

10 files changed, 221 insertions, 36 deletions

diff --git a/synapse/config/homeserver.py b/synapse/config/homeserver.py
index 05e242aef6..bf19cfee29 100644
--- a/synapse/config/homeserver.py
+++ b/synapse/config/homeserver.py
@@ -36,6 +36,7 @@ from .workers import WorkerConfig
 from .push import PushConfig
 from .spam_checker import SpamCheckerConfig
 from .groups import GroupsConfig
+from .user_directory import UserDirectoryConfig
 
 
 class HomeServerConfig(TlsConfig, ServerConfig, DatabaseConfig, LoggingConfig,
@@ -44,7 +45,7 @@ class HomeServerConfig(TlsConfig, ServerConfig, DatabaseConfig, LoggingConfig,
                        AppServiceConfig, KeyConfig, SAML2Config, CasConfig,
                        JWTConfig, PasswordConfig, EmailConfig,
                        WorkerConfig, PasswordAuthProviderConfig, PushConfig,
-                       SpamCheckerConfig, GroupsConfig,):
+                       SpamCheckerConfig, GroupsConfig, UserDirectoryConfig,):
     pass
 
 
diff --git a/synapse/config/user_directory.py b/synapse/config/user_directory.py
new file mode 100644
index 0000000000..38e8947843
--- /dev/null
+++ b/synapse/config/user_directory.py
@@ -0,0 +1,44 @@
+# -*- coding: utf-8 -*-
+# 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.
+
+from ._base import Config
+
+
+class UserDirectoryConfig(Config):
+    """User Directory Configuration
+    Configuration for the behaviour of the /user_directory API
+    """
+
+    def read_config(self, config):
+        self.user_directory_search_all_users = False
+        user_directory_config = config.get("user_directory", None)
+        if user_directory_config:
+            self.user_directory_search_all_users = (
+                user_directory_config.get("search_all_users", False)
+            )
+
+    def default_config(self, config_dir_path, server_name, **kwargs):
+        return """
+        # User Directory configuration
+        #
+        # 'search_all_users' defines whether to search all users visible to your HS
+        # when searching the user directory, rather than limiting to users visible
+        # in public rooms.  Defaults to false.  If you set it True, you'll have to run
+        # UPDATE user_directory_stream_pos SET stream_id = NULL;
+        # on your database to tell it to rebuild the user_directory search indexes.
+        #
+        #user_directory:
+        #   search_all_users: false
+        """
diff --git a/synapse/handlers/profile.py b/synapse/handlers/profile.py
index 5e5b1952dd..9800e24453 100644
--- a/synapse/handlers/profile.py
+++ b/synapse/handlers/profile.py
@@ -36,6 +36,8 @@ class ProfileHandler(BaseHandler):
             "profile", self.on_profile_query
         )
 
+        self.user_directory_handler = hs.get_user_directory_handler()
+
         self.clock.looping_call(self._update_remote_profile_cache, self.PROFILE_UPDATE_MS)
 
     @defer.inlineCallbacks
@@ -139,6 +141,12 @@ class ProfileHandler(BaseHandler):
             target_user.localpart, new_displayname
         )
 
+        if self.hs.config.user_directory_search_all_users:
+            profile = yield self.store.get_profileinfo(target_user.localpart)
+            yield self.user_directory_handler.handle_local_profile_change(
+                target_user.to_string(), profile
+            )
+
         yield self._update_join_states(requester, target_user)
 
     @defer.inlineCallbacks
@@ -183,6 +191,12 @@ class ProfileHandler(BaseHandler):
             target_user.localpart, new_avatar_url
         )
 
+        if self.hs.config.user_directory_search_all_users:
+            profile = yield self.store.get_profileinfo(target_user.localpart)
+            yield self.user_directory_handler.handle_local_profile_change(
+                target_user.to_string(), profile
+            )
+
         yield self._update_join_states(requester, target_user)
 
     @defer.inlineCallbacks
diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py
index f6e7e58563..4bc6ef51fe 100644
--- a/synapse/handlers/register.py
+++ b/synapse/handlers/register.py
@@ -38,6 +38,7 @@ class RegistrationHandler(BaseHandler):
         self.auth = hs.get_auth()
         self._auth_handler = hs.get_auth_handler()
         self.profile_handler = hs.get_profile_handler()
+        self.user_directory_handler = hs.get_user_directory_handler()
         self.captcha_client = CaptchaServerHttpClient(hs)
 
         self._next_generated_user_id = None
@@ -165,6 +166,13 @@ class RegistrationHandler(BaseHandler):
                 ),
                 admin=admin,
             )
+
+            if self.hs.config.user_directory_search_all_users:
+                profile = yield self.store.get_profileinfo(localpart)
+                yield self.user_directory_handler.handle_local_profile_change(
+                    user_id, profile
+                )
+
         else:
             # autogen a sequential user ID
             attempts = 0
diff --git a/synapse/handlers/user_directory.py b/synapse/handlers/user_directory.py
index b5be5d9623..714f0195c8 100644
--- a/synapse/handlers/user_directory.py
+++ b/synapse/handlers/user_directory.py
@@ -20,12 +20,13 @@ from synapse.api.constants import EventTypes, JoinRules, Membership
 from synapse.storage.roommember import ProfileInfo
 from synapse.util.metrics import Measure
 from synapse.util.async import sleep
+from synapse.types import get_localpart_from_id
 
 
 logger = logging.getLogger(__name__)
 
 
-class UserDirectoyHandler(object):
+class UserDirectoryHandler(object):
     """Handles querying of and keeping updated the user_directory.
 
     N.B.: ASSUMES IT IS THE ONLY THING THAT MODIFIES THE USER DIRECTORY
@@ -41,9 +42,10 @@ class UserDirectoyHandler(object):
     one public room.
     """
 
-    INITIAL_SLEEP_MS = 50
-    INITIAL_SLEEP_COUNT = 100
-    INITIAL_BATCH_SIZE = 100
+    INITIAL_ROOM_SLEEP_MS = 50
+    INITIAL_ROOM_SLEEP_COUNT = 100
+    INITIAL_ROOM_BATCH_SIZE = 100
+    INITIAL_USER_SLEEP_MS = 10
 
     def __init__(self, hs):
         self.store = hs.get_datastore()
@@ -53,6 +55,7 @@ class UserDirectoyHandler(object):
         self.notifier = hs.get_notifier()
         self.is_mine_id = hs.is_mine_id
         self.update_user_directory = hs.config.update_user_directory
+        self.search_all_users = hs.config.user_directory_search_all_users
 
         # When start up for the first time we need to populate the user_directory.
         # This is a set of user_id's we've inserted already
@@ -111,6 +114,15 @@ class UserDirectoyHandler(object):
             self._is_processing = False
 
     @defer.inlineCallbacks
+    def handle_local_profile_change(self, user_id, profile):
+        """Called to update index of our local user profiles when they change
+        irrespective of any rooms the user may be in.
+        """
+        yield self.store.update_profile_in_user_dir(
+            user_id, profile.display_name, profile.avatar_url, None,
+        )
+
+    @defer.inlineCallbacks
     def _unsafe_process(self):
         # If self.pos is None then means we haven't fetched it from DB
         if self.pos is None:
@@ -148,16 +160,30 @@ class UserDirectoyHandler(object):
         room_ids = yield self.store.get_all_rooms()
 
         logger.info("Doing initial update of user directory. %d rooms", len(room_ids))
-        num_processed_rooms = 1
+        num_processed_rooms = 0
 
         for room_id in room_ids:
-            logger.info("Handling room %d/%d", num_processed_rooms, len(room_ids))
+            logger.info("Handling room %d/%d", num_processed_rooms + 1, len(room_ids))
             yield self._handle_initial_room(room_id)
             num_processed_rooms += 1
-            yield sleep(self.INITIAL_SLEEP_MS / 1000.)
+            yield sleep(self.INITIAL_ROOM_SLEEP_MS / 1000.)
 
         logger.info("Processed all rooms.")
 
+        if self.search_all_users:
+            num_processed_users = 0
+            user_ids = yield self.store.get_all_local_users()
+            logger.info("Doing initial update of user directory. %d users", len(user_ids))
+            for user_id in user_ids:
+                # We add profiles for all users even if they don't match the
+                # include pattern, just in case we want to change it in future
+                logger.info("Handling user %d/%d", num_processed_users + 1, len(user_ids))
+                yield self._handle_local_user(user_id)
+                num_processed_users += 1
+                yield sleep(self.INITIAL_USER_SLEEP_MS / 1000.)
+
+            logger.info("Processed all users")
+
         self.initially_handled_users = None
         self.initially_handled_users_in_public = None
         self.initially_handled_users_share = None
@@ -201,8 +227,8 @@ class UserDirectoyHandler(object):
         to_update = set()
         count = 0
         for user_id in user_ids:
-            if count % self.INITIAL_SLEEP_COUNT == 0:
-                yield sleep(self.INITIAL_SLEEP_MS / 1000.)
+            if count % self.INITIAL_ROOM_SLEEP_COUNT == 0:
+                yield sleep(self.INITIAL_ROOM_SLEEP_MS / 1000.)
 
             if not self.is_mine_id(user_id):
                 count += 1
@@ -216,8 +242,8 @@ class UserDirectoyHandler(object):
                 if user_id == other_user_id:
                     continue
 
-                if count % self.INITIAL_SLEEP_COUNT == 0:
-                    yield sleep(self.INITIAL_SLEEP_MS / 1000.)
+                if count % self.INITIAL_ROOM_SLEEP_COUNT == 0:
+                    yield sleep(self.INITIAL_ROOM_SLEEP_MS / 1000.)
                 count += 1
 
                 user_set = (user_id, other_user_id)
@@ -237,13 +263,13 @@ class UserDirectoyHandler(object):
                 else:
                     self.initially_handled_users_share_private_room.add(user_set)
 
-                if len(to_insert) > self.INITIAL_BATCH_SIZE:
+                if len(to_insert) > self.INITIAL_ROOM_BATCH_SIZE:
                     yield self.store.add_users_who_share_room(
                         room_id, not is_public, to_insert,
                     )
                     to_insert.clear()
 
-                if len(to_update) > self.INITIAL_BATCH_SIZE:
+                if len(to_update) > self.INITIAL_ROOM_BATCH_SIZE:
                     yield self.store.update_users_who_share_room(
                         room_id, not is_public, to_update,
                     )
@@ -385,14 +411,28 @@ class UserDirectoyHandler(object):
                 yield self._handle_remove_user(room_id, user_id)
 
     @defer.inlineCallbacks
+    def _handle_local_user(self, user_id):
+        """Adds a new local roomless user into the user_directory_search table.
+        Used to populate up the user index when we have an
+        user_directory_search_all_users specified.
+        """
+        logger.debug("Adding new local user to dir, %r", user_id)
+
+        profile = yield self.store.get_profileinfo(get_localpart_from_id(user_id))
+
+        row = yield self.store.get_user_in_directory(user_id)
+        if not row:
+            yield self.store.add_profiles_to_user_dir(None, {user_id: profile})
+
+    @defer.inlineCallbacks
     def _handle_new_user(self, room_id, user_id, profile):
         """Called when we might need to add user to directory
 
         Args:
-            room_id (str): room_id that user joined or started being public that
+            room_id (str): room_id that user joined or started being public
             user_id (str)
         """
-        logger.debug("Adding user to dir, %r", user_id)
+        logger.debug("Adding new user to dir, %r", user_id)
 
         row = yield self.store.get_user_in_directory(user_id)
         if not row:
@@ -407,7 +447,7 @@ class UserDirectoyHandler(object):
             if not row:
                 yield self.store.add_users_to_public_room(room_id, [user_id])
         else:
-            logger.debug("Not adding user to public dir, %r", user_id)
+            logger.debug("Not adding new user to public dir, %r", user_id)
 
         # Now we update users who share rooms with users. We do this by getting
         # all the current users in the room and seeing which aren't already
diff --git a/synapse/server.py b/synapse/server.py
index 18c72d21a8..99693071b6 100644
--- a/synapse/server.py
+++ b/synapse/server.py
@@ -52,7 +52,7 @@ from synapse.handlers.events import EventHandler, EventStreamHandler
 from synapse.handlers.initial_sync import InitialSyncHandler
 from synapse.handlers.receipts import ReceiptsHandler
 from synapse.handlers.read_marker import ReadMarkerHandler
-from synapse.handlers.user_directory import UserDirectoyHandler
+from synapse.handlers.user_directory import UserDirectoryHandler
 from synapse.handlers.groups_local import GroupsLocalHandler
 from synapse.handlers.profile import ProfileHandler
 from synapse.groups.groups_server import GroupsServerHandler
@@ -339,7 +339,7 @@ class HomeServer(object):
         return ActionGenerator(self)
 
     def build_user_directory_handler(self):
-        return UserDirectoyHandler(self)
+        return UserDirectoryHandler(self)
 
     def build_groups_local_handler(self):
         return GroupsLocalHandler(self)
diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py
index 20fa25895d..b971f0cb18 100644
--- a/synapse/storage/_base.py
+++ b/synapse/storage/_base.py
@@ -554,7 +554,7 @@ class SQLBaseStore(object):
     def _simple_select_one(self, table, keyvalues, retcols,
                            allow_none=False, desc="_simple_select_one"):
         """Executes a SELECT query on the named table, which is expected to
-        return a single row, returning a single column from it.
+        return a single row, returning multiple columns from it.
 
         Args:
             table : string giving the table name
diff --git a/synapse/storage/profile.py b/synapse/storage/profile.py
index beea3102fc..ec02e73bc2 100644
--- a/synapse/storage/profile.py
+++ b/synapse/storage/profile.py
@@ -15,6 +15,9 @@
 
 from twisted.internet import defer
 
+from synapse.storage.roommember import ProfileInfo
+from synapse.api.errors import StoreError
+
 from ._base import SQLBaseStore
 
 
@@ -26,6 +29,30 @@ class ProfileStore(SQLBaseStore):
             desc="create_profile",
         )
 
+    @defer.inlineCallbacks
+    def get_profileinfo(self, user_localpart):
+        try:
+            profile = yield self._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
+                defer.returnValue(ProfileInfo(None, None))
+                return
+            else:
+                raise
+
+        defer.returnValue(
+            ProfileInfo(
+                avatar_url=profile['avatar_url'],
+                display_name=profile['displayname'],
+            )
+        )
+
     def get_profile_displayname(self, user_localpart):
         return self._simple_select_one_onecol(
             table="profiles",
diff --git a/synapse/storage/schema/delta/46/user_dir_null_room_ids.sql b/synapse/storage/schema/delta/46/user_dir_null_room_ids.sql
new file mode 100644
index 0000000000..cb0d5a2576
--- /dev/null
+++ b/synapse/storage/schema/delta/46/user_dir_null_room_ids.sql
@@ -0,0 +1,35 @@
+/* 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.
+ */
+
+-- change the user_directory table to also cover global local user profiles
+-- rather than just profiles within specific rooms.
+
+CREATE TABLE user_directory2 (
+    user_id TEXT NOT NULL,
+    room_id TEXT,
+    display_name TEXT,
+    avatar_url TEXT
+);
+
+INSERT INTO user_directory2(user_id, room_id, display_name, avatar_url)
+    SELECT user_id, room_id, display_name, avatar_url from user_directory;
+
+DROP TABLE user_directory;
+ALTER TABLE user_directory2 RENAME TO user_directory;
+
+-- create indexes after doing the inserts because that's more efficient.
+-- it also means we can give it the same name as the old one without renaming.
+CREATE INDEX user_directory_room_idx ON user_directory(room_id);
+CREATE UNIQUE INDEX user_directory_user_idx ON user_directory(user_id);
diff --git a/synapse/storage/user_directory.py b/synapse/storage/user_directory.py
index 5dc5b9582a..c9bff408ef 100644
--- a/synapse/storage/user_directory.py
+++ b/synapse/storage/user_directory.py
@@ -164,7 +164,7 @@ class UserDirectoryStore(SQLBaseStore):
             )
 
             if isinstance(self.database_engine, PostgresEngine):
-                # We weight the loclpart most highly, then display name and finally
+                # We weight the localpart most highly, then display name and finally
                 # server name
                 if new_entry:
                     sql = """
@@ -317,6 +317,16 @@ class UserDirectoryStore(SQLBaseStore):
         rows = yield self._execute("get_all_rooms", None, sql)
         defer.returnValue([room_id for room_id, in rows])
 
+    @defer.inlineCallbacks
+    def get_all_local_users(self):
+        """Get all local users
+        """
+        sql = """
+            SELECT name FROM users
+        """
+        rows = yield self._execute("get_all_local_users", None, sql)
+        defer.returnValue([name for name, in rows])
+
     def add_users_who_share_room(self, room_id, share_private, user_id_tuples):
         """Insert entries into the users_who_share_rooms table. The first
         user should be a local user.
@@ -629,6 +639,20 @@ class UserDirectoryStore(SQLBaseStore):
                     ]
                 }
         """
+
+        if self.hs.config.user_directory_search_all_users:
+            join_clause = ""
+            where_clause = "?<>''"  # naughty hack to keep the same number of binds
+        else:
+            join_clause = """
+                LEFT JOIN users_in_public_rooms AS p USING (user_id)
+                LEFT JOIN (
+                    SELECT other_user_id AS user_id FROM users_who_share_rooms
+                    WHERE user_id = ? AND share_private
+                ) AS s USING (user_id)
+            """
+            where_clause = "(s.user_id IS NOT NULL OR p.user_id IS NOT NULL)"
+
         if isinstance(self.database_engine, PostgresEngine):
             full_query, exact_query, prefix_query = _parse_query_postgres(search_term)
 
@@ -641,13 +665,9 @@ class UserDirectoryStore(SQLBaseStore):
                 SELECT d.user_id, display_name, avatar_url
                 FROM user_directory_search
                 INNER JOIN user_directory AS d USING (user_id)
-                LEFT JOIN users_in_public_rooms AS p USING (user_id)
-                LEFT JOIN (
-                    SELECT other_user_id AS user_id FROM users_who_share_rooms
-                    WHERE user_id = ? AND share_private
-                ) AS s USING (user_id)
+                %s
                 WHERE
-                    (s.user_id IS NOT NULL OR p.user_id IS NOT NULL)
+                    %s
                     AND vector @@ to_tsquery('english', ?)
                 ORDER BY
                     (CASE WHEN s.user_id IS NOT NULL THEN 4.0 ELSE 1.0 END)
@@ -671,7 +691,7 @@ class UserDirectoryStore(SQLBaseStore):
                     display_name IS NULL,
                     avatar_url IS NULL
                 LIMIT ?
-            """
+            """ % (join_clause, where_clause)
             args = (user_id, full_query, exact_query, prefix_query, limit + 1,)
         elif isinstance(self.database_engine, Sqlite3Engine):
             search_query = _parse_query_sqlite(search_term)
@@ -680,20 +700,16 @@ class UserDirectoryStore(SQLBaseStore):
                 SELECT d.user_id, display_name, avatar_url
                 FROM user_directory_search
                 INNER JOIN user_directory AS d USING (user_id)
-                LEFT JOIN users_in_public_rooms AS p USING (user_id)
-                LEFT JOIN (
-                    SELECT other_user_id AS user_id FROM users_who_share_rooms
-                    WHERE user_id = ? AND share_private
-                ) AS s USING (user_id)
+                %s
                 WHERE
-                    (s.user_id IS NOT NULL OR p.user_id IS NOT NULL)
+                    %s
                     AND value MATCH ?
                 ORDER BY
                     rank(matchinfo(user_directory_search)) DESC,
                     display_name IS NULL,
                     avatar_url IS NULL
                 LIMIT ?
-            """
+            """ % (join_clause, where_clause)
             args = (user_id, search_query, limit + 1)
         else:
             # This should be unreachable.
@@ -723,7 +739,7 @@ def _parse_query_sqlite(search_term):
 
     # Pull out the individual words, discarding any non-word characters.
     results = re.findall(r"([\w\-]+)", search_term, re.UNICODE)
-    return " & ".join("(%s* | %s)" % (result, result,) for result in results)
+    return " & ".join("(%s* OR %s)" % (result, result,) for result in results)
 
 
 def _parse_query_postgres(search_term):