diff options
Diffstat (limited to 'synapse')
| -rw-r--r-- | synapse/handlers/__init__.py | 2 | ||||
| -rw-r--r-- | synapse/handlers/search.py | 93 | ||||
| -rw-r--r-- | synapse/rest/client/v1/room.py | 17 | ||||
| -rw-r--r-- | synapse/storage/__init__.py | 2 | ||||
| -rw-r--r-- | synapse/storage/_base.py | 2 | ||||
| -rw-r--r-- | synapse/storage/events.py | 2 | ||||
| -rw-r--r-- | synapse/storage/room.py | 32 | ||||
| -rw-r--r-- | synapse/storage/schema/delta/24/fts.py | 123 | ||||
| -rw-r--r-- | synapse/storage/search.py | 93 | ||||
| -rw-r--r-- | synapse/storage/state.py | 1 |
10 files changed, 365 insertions, 2 deletions
diff --git a/synapse/handlers/__init__.py b/synapse/handlers/__init__.py index 8725c3c420..87b4d381c7 100644 --- a/synapse/handlers/__init__.py +++ b/synapse/handlers/__init__.py @@ -32,6 +32,7 @@ from .sync import SyncHandler from .auth import AuthHandler from .identity import IdentityHandler from .receipts import ReceiptsHandler +from .search import SearchHandler class Handlers(object): @@ -68,3 +69,4 @@ class Handlers(object): self.sync_handler = SyncHandler(hs) self.auth_handler = AuthHandler(hs) self.identity_handler = IdentityHandler(hs) + self.search_handler = SearchHandler(hs) diff --git a/synapse/handlers/search.py b/synapse/handlers/search.py new file mode 100644 index 0000000000..22808b9c07 --- /dev/null +++ b/synapse/handlers/search.py @@ -0,0 +1,93 @@ +# -*- coding: utf-8 -*- +# Copyright 2015 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 ._base import BaseHandler + +from synapse.api.constants import Membership +from synapse.api.errors import SynapseError +from synapse.events.utils import serialize_event + +import logging + + +logger = logging.getLogger(__name__) + + +class SearchHandler(BaseHandler): + + def __init__(self, hs): + super(SearchHandler, self).__init__(hs) + + @defer.inlineCallbacks + def search(self, user, content): + """Performs a full text search for a user. + + Args: + user (UserID) + content (dict): Search parameters + + Returns: + dict to be returned to the client with results of search + """ + + try: + search_term = content["search_categories"]["room_events"]["search_term"] + keys = content["search_categories"]["room_events"].get("keys", [ + "content.body", "content.name", "content.topic", + ]) + except KeyError: + raise SynapseError(400, "Invalid search query") + + # TODO: Search through left rooms too + rooms = yield self.store.get_rooms_for_user_where_membership_is( + user.to_string(), + membership_list=[Membership.JOIN], + # membership_list=[Membership.JOIN, Membership.LEAVE, Membership.Ban], + ) + room_ids = set(r.room_id for r in rooms) + + # TODO: Apply room filter to rooms list + + rank_map, event_map = yield self.store.search_msgs(room_ids, search_term, keys) + + allowed_events = yield self._filter_events_for_client( + user.to_string(), event_map.values() + ) + + # TODO: Filter allowed_events + # TODO: Add a limit + + time_now = self.clock.time_msec() + + results = { + e.event_id: { + "rank": rank_map[e.event_id], + "result": serialize_event(e, time_now) + } + for e in allowed_events + } + + logger.info("Found %d results", len(results)) + + defer.returnValue({ + "search_categories": { + "room_events": { + "results": results, + "count": len(results) + } + } + }) diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py index 1f45fcc6f1..4cee1c1599 100644 --- a/synapse/rest/client/v1/room.py +++ b/synapse/rest/client/v1/room.py @@ -555,6 +555,22 @@ class RoomTypingRestServlet(ClientV1RestServlet): defer.returnValue((200, {})) +class SearchRestServlet(ClientV1RestServlet): + PATTERN = client_path_pattern( + "/search$" + ) + + @defer.inlineCallbacks + def on_POST(self, request): + auth_user, _ = yield self.auth.get_user_by_req(request) + + content = _parse_json(request) + + results = yield self.handlers.search_handler.search(auth_user, content) + + defer.returnValue((200, results)) + + def _parse_json(request): try: content = json.loads(request.content.read()) @@ -611,3 +627,4 @@ def register_servlets(hs, http_server): RoomInitialSyncRestServlet(hs).register(http_server) RoomRedactEventRestServlet(hs).register(http_server) RoomTypingRestServlet(hs).register(http_server) + SearchRestServlet(hs).register(http_server) diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py index 48a0633746..a1bd9c4ce9 100644 --- a/synapse/storage/__init__.py +++ b/synapse/storage/__init__.py @@ -40,6 +40,7 @@ from .filtering import FilteringStore from .end_to_end_keys import EndToEndKeyStore from .receipts import ReceiptsStore +from .search import SearchStore import logging @@ -69,6 +70,7 @@ class DataStore(RoomMemberStore, RoomStore, EventsStore, ReceiptsStore, EndToEndKeyStore, + SearchStore, ): def __init__(self, hs): diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py index 693784ad38..218e708054 100644 --- a/synapse/storage/_base.py +++ b/synapse/storage/_base.py @@ -519,7 +519,7 @@ class SQLBaseStore(object): allow_none=False, desc="_simple_select_one_onecol"): """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 a single column from it. Args: table : string giving the table name diff --git a/synapse/storage/events.py b/synapse/storage/events.py index 416ef6af93..e6c1abfc27 100644 --- a/synapse/storage/events.py +++ b/synapse/storage/events.py @@ -307,6 +307,8 @@ class EventsStore(SQLBaseStore): self._store_room_name_txn(txn, event) elif event.type == EventTypes.Topic: self._store_room_topic_txn(txn, event) + elif event.type == EventTypes.Message: + self._store_room_message_txn(txn, event) elif event.type == EventTypes.Redaction: self._store_redaction(txn, event) diff --git a/synapse/storage/room.py b/synapse/storage/room.py index 5e07b7e0e5..13441fcdce 100644 --- a/synapse/storage/room.py +++ b/synapse/storage/room.py @@ -19,6 +19,7 @@ from synapse.api.errors import StoreError from ._base import SQLBaseStore from synapse.util.caches.descriptors import cachedInlineCallbacks +from .engines import PostgresEngine, Sqlite3Engine import collections import logging @@ -175,6 +176,10 @@ class RoomStore(SQLBaseStore): }, ) + self._store_event_search_txn( + txn, event, "content.topic", event.content["topic"] + ) + def _store_room_name_txn(self, txn, event): if hasattr(event, "content") and "name" in event.content: self._simple_insert_txn( @@ -187,6 +192,33 @@ class RoomStore(SQLBaseStore): } ) + self._store_event_search_txn( + txn, event, "content.name", event.content["name"] + ) + + def _store_room_message_txn(self, txn, event): + if hasattr(event, "content") and "body" in event.content: + self._store_event_search_txn( + txn, event, "content.body", event.content["body"] + ) + + def _store_event_search_txn(self, txn, event, key, value): + if isinstance(self.database_engine, PostgresEngine): + sql = ( + "INSERT INTO event_search (event_id, room_id, key, vector)" + " VALUES (?,?,?,to_tsvector('english', ?))" + ) + elif isinstance(self.database_engine, Sqlite3Engine): + sql = ( + "INSERT INTO event_search (event_id, room_id, key, value)" + " VALUES (?,?,?,?)" + ) + else: + # This should be unreachable. + raise Exception("Unrecognized database engine") + + txn.execute(sql, (event.event_id, event.room_id, key, value,)) + @cachedInlineCallbacks() def get_room_name_and_aliases(self, room_id): def f(txn): diff --git a/synapse/storage/schema/delta/24/fts.py b/synapse/storage/schema/delta/24/fts.py new file mode 100644 index 0000000000..0c752d8426 --- /dev/null +++ b/synapse/storage/schema/delta/24/fts.py @@ -0,0 +1,123 @@ +# Copyright 2015 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. + +import logging + +from synapse.storage.prepare_database import get_statements +from synapse.storage.engines import PostgresEngine, Sqlite3Engine + +import ujson + +logger = logging.getLogger(__name__) + + +POSTGRES_SQL = """ +CREATE TABLE event_search ( + event_id TEXT, + room_id TEXT, + key TEXT, + vector tsvector +); + +INSERT INTO event_search SELECT + event_id, room_id, 'content.body', + to_tsvector('english', json::json->'content'->>'body') + FROM events NATURAL JOIN event_json WHERE type = 'm.room.message'; + +INSERT INTO event_search SELECT + event_id, room_id, 'content.name', + to_tsvector('english', json::json->'content'->>'name') + FROM events NATURAL JOIN event_json WHERE type = 'm.room.name'; + +INSERT INTO event_search SELECT + event_id, room_id, 'content.topic', + to_tsvector('english', json::json->'content'->>'topic') + FROM events NATURAL JOIN event_json WHERE type = 'm.room.topic'; + + +CREATE INDEX event_search_fts_idx ON event_search USING gin(vector); +CREATE INDEX event_search_ev_idx ON event_search(event_id); +CREATE INDEX event_search_ev_ridx ON event_search(room_id); +""" + + +SQLITE_TABLE = ( + "CREATE VIRTUAL TABLE event_search USING fts3 ( event_id, room_id, key, value)" +) + + +def run_upgrade(cur, database_engine, *args, **kwargs): + if isinstance(database_engine, PostgresEngine): + run_postgres_upgrade(cur) + return + + if isinstance(database_engine, Sqlite3Engine): + run_sqlite_upgrade(cur) + return + + +def run_postgres_upgrade(cur): + for statement in get_statements(POSTGRES_SQL.splitlines()): + cur.execute(statement) + + +def run_sqlite_upgrade(cur): + cur.execute(SQLITE_TABLE) + + rowid = -1 + while True: + cur.execute( + "SELECT rowid, json FROM event_json" + " WHERE rowid > ?" + " ORDER BY rowid ASC LIMIT 100", + (rowid,) + ) + + res = cur.fetchall() + + if not res: + break + + events = [ + ujson.loads(js) + for _, js in res + ] + + rowid = max(rid for rid, _ in res) + + rows = [] + for ev in events: + if ev["type"] == "m.room.message": + rows.append(( + ev["event_id"], ev["room_id"], "content.body", + ev["content"]["body"] + )) + if ev["type"] == "m.room.name": + rows.append(( + ev["event_id"], ev["room_id"], "content.name", + ev["content"]["name"] + )) + if ev["type"] == "m.room.topic": + rows.append(( + ev["event_id"], ev["room_id"], "content.topic", + ev["content"]["topic"] + )) + + if rows: + logger.info(rows) + cur.executemany( + "INSERT INTO event_search (event_id, room_id, key, value)" + " VALUES (?,?,?,?)", + rows + ) diff --git a/synapse/storage/search.py b/synapse/storage/search.py new file mode 100644 index 0000000000..a3c69c5ab3 --- /dev/null +++ b/synapse/storage/search.py @@ -0,0 +1,93 @@ +# -*- coding: utf-8 -*- +# Copyright 2015 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 _base import SQLBaseStore +from synapse.storage.engines import PostgresEngine, Sqlite3Engine + + +class SearchStore(SQLBaseStore): + @defer.inlineCallbacks + def search_msgs(self, room_ids, search_term, keys): + """Performs a full text search over events with given keys. + + Args: + room_ids (list): List of room ids to search in + search_term (str): Search term to search for + keys (list): List of keys to search in, currently supports + "content.body", "content.name", "content.topic" + + Returns: + 2-tuple of (dict event_id -> rank, dict event_id -> event) + """ + clauses = [] + args = [] + + clauses.append( + "room_id IN (%s)" % (",".join(["?"] * len(room_ids)),) + ) + args.extend(room_ids) + + local_clauses = [] + for key in keys: + local_clauses.append("key = ?") + args.append(key) + + clauses.append( + "(%s)" % (" OR ".join(local_clauses),) + ) + + if isinstance(self.database_engine, PostgresEngine): + sql = ( + "SELECT ts_rank_cd(vector, query) AS rank, event_id" + " FROM plainto_tsquery('english', ?) as query, event_search" + " WHERE vector @@ query" + ) + elif isinstance(self.database_engine, Sqlite3Engine): + sql = ( + "SELECT 0 as rank, event_id FROM event_search" + " WHERE value MATCH ?" + ) + else: + # This should be unreachable. + raise Exception("Unrecognized database engine") + + for clause in clauses: + sql += " AND " + clause + + # We add an arbitrary limit here to ensure we don't try to pull the + # entire table from the database. + sql += " ORDER BY rank DESC LIMIT 500" + + results = yield self._execute( + "search_msgs", self.cursor_to_dict, sql, *([search_term] + args) + ) + + events = yield self._get_events([r["event_id"] for r in results]) + + event_map = { + ev.event_id: ev + for ev in events + } + + defer.returnValue(( + { + r["event_id"]: r["rank"] + for r in results + if r["event_id"] in event_map + }, + event_map + )) diff --git a/synapse/storage/state.py b/synapse/storage/state.py index 6f2a50d585..acfb322a53 100644 --- a/synapse/storage/state.py +++ b/synapse/storage/state.py @@ -214,7 +214,6 @@ class StateStore(SQLBaseStore): that are in the `types` list. Args: - room_id (str) event_ids (list) types (list): List of (type, state_key) tuples which are used to filter the state fetched. `state_key` may be None, which matches |