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96 lines
3.1 KiB
96 lines
3.1 KiB
9 years ago
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# -*- coding: utf-8 -*-
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# Copyright 2015 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from twisted.internet import defer
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from ._base import BaseHandler
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from synapse.api.constants import KnownRoomEventKeys, SearchConstraintTypes
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from synapse.api.errors import SynapseError
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from synapse.events.utils import serialize_event
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import logging
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logger = logging.getLogger(__name__)
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KEYS_TO_ALLOWED_CONSTRAINT_TYPES = {
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KnownRoomEventKeys.CONTENT_BODY: [SearchConstraintTypes.FTS],
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KnownRoomEventKeys.CONTENT_MSGTYPE: [SearchConstraintTypes.EXACT],
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KnownRoomEventKeys.CONTENT_NAME: [SearchConstraintTypes.FTS, SearchConstraintTypes.EXACT, SearchConstraintTypes.SUBSTRING],
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KnownRoomEventKeys.CONTENT_TOPIC: [SearchConstraintTypes.FTS],
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KnownRoomEventKeys.SENDER: [SearchConstraintTypes.EXACT],
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KnownRoomEventKeys.ORIGIN_SERVER_TS: [SearchConstraintTypes.RANGE],
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KnownRoomEventKeys.ROOM_ID: [SearchConstraintTypes.EXACT],
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}
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class RoomConstraint(object):
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def __init__(self, search_type, keys, value):
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self.search_type = search_type
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self.keys = keys
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self.value = value
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@classmethod
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def from_dict(cls, d):
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search_type = d["type"]
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keys = d["keys"]
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for key in keys:
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if key not in KEYS_TO_ALLOWED_CONSTRAINT_TYPES:
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raise SynapseError(400, "Unrecognized key %r", key)
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if search_type not in KEYS_TO_ALLOWED_CONSTRAINT_TYPES[key]:
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raise SynapseError(400, "Disallowed constraint type %r for key %r", search_type, key)
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return cls(search_type, keys, d["value"])
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class SearchHandler(BaseHandler):
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def __init__(self, hs):
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super(SearchHandler, self).__init__(hs)
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@defer.inlineCallbacks
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def search(self, content):
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constraint_dicts = content["search_categories"]["room_events"]["constraints"]
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constraints = [RoomConstraint.from_dict(c)for c in constraint_dicts]
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fts = False
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for c in constraints:
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if c.search_type == SearchConstraintTypes.FTS:
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if fts:
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raise SynapseError(400, "Only one constraint can be FTS")
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fts = True
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res = yield self.hs.get_datastore().search_msgs(constraints)
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time_now = self.hs.get_clock().time_msec()
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results = [
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{
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"rank": r["rank"],
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"result": serialize_event(r["result"], time_now)
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}
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for r in res
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]
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logger.info("returning: %r", results)
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results.sort(key=lambda r: -r["rank"])
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defer.returnValue(results)
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