2015-01-27 17:48:13 +00:00
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# -*- coding: utf-8 -*-
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2016-01-07 04:26:29 +00:00
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# Copyright 2015, 2016 OpenMarket Ltd
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2015-01-27 17:48:13 +00:00
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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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2018-08-30 14:19:58 +00:00
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from canonicaljson import encode_canonical_json
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2018-07-09 06:09:20 +00:00
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from synapse.api.errors import Codes, SynapseError
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2019-10-21 11:56:42 +00:00
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from synapse.storage._base import SQLBaseStore, db_to_json
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2016-01-28 17:09:09 +00:00
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from synapse.util.caches.descriptors import cachedInlineCallbacks
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2015-01-27 17:48:13 +00:00
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class FilteringStore(SQLBaseStore):
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2016-01-28 17:09:09 +00:00
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@cachedInlineCallbacks(num_args=2)
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2015-01-27 17:48:13 +00:00
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def get_user_filter(self, user_localpart, filter_id):
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2016-11-21 13:13:55 +00:00
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# filter_id is BIGINT UNSIGNED, so if it isn't a number, fail
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# with a coherent error message rather than 500 M_UNKNOWN.
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try:
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int(filter_id)
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except ValueError:
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raise SynapseError(400, "Invalid filter ID", Codes.INVALID_PARAM)
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2015-01-27 18:46:03 +00:00
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def_json = yield self._simple_select_one_onecol(
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table="user_filters",
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2019-04-03 09:07:29 +00:00
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keyvalues={"user_id": user_localpart, "filter_id": filter_id},
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2015-01-28 17:42:19 +00:00
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retcol="filter_json",
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2015-01-27 18:46:03 +00:00
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allow_none=False,
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2015-03-20 15:59:18 +00:00
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desc="get_user_filter",
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2015-01-27 18:46:03 +00:00
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)
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2015-01-27 17:48:13 +00:00
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2019-07-23 13:00:55 +00:00
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return db_to_json(def_json)
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2015-01-27 17:48:13 +00:00
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2015-01-28 16:45:18 +00:00
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def add_user_filter(self, user_localpart, user_filter):
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2017-06-21 12:48:12 +00:00
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def_json = encode_canonical_json(user_filter)
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2015-01-27 18:46:03 +00:00
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# Need an atomic transaction to SELECT the maximal ID so far then
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# INSERT a new one
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def _do_txn(txn):
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2017-05-11 14:05:30 +00:00
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sql = (
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"SELECT filter_id FROM user_filters "
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"WHERE user_id = ? AND filter_json = ?"
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)
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2019-10-08 15:21:17 +00:00
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txn.execute(sql, (user_localpart, bytearray(def_json)))
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2017-05-15 16:36:37 +00:00
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filter_id_response = txn.fetchone()
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if filter_id_response is not None:
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return filter_id_response[0]
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2017-05-11 14:05:30 +00:00
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2019-04-03 09:07:29 +00:00
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sql = "SELECT MAX(filter_id) FROM user_filters " "WHERE user_id = ?"
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2015-01-27 18:46:03 +00:00
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txn.execute(sql, (user_localpart,))
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max_id = txn.fetchone()[0]
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if max_id is None:
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filter_id = 0
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else:
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filter_id = max_id + 1
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sql = (
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2015-01-28 17:42:19 +00:00
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"INSERT INTO user_filters (user_id, filter_id, filter_json)"
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2015-01-27 18:46:03 +00:00
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"VALUES(?, ?, ?)"
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)
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2019-10-08 15:21:17 +00:00
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txn.execute(sql, (user_localpart, filter_id, bytearray(def_json)))
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2015-01-27 17:48:13 +00:00
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2015-01-27 18:46:03 +00:00
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return filter_id
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2015-01-27 17:48:13 +00:00
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2015-01-27 18:46:03 +00:00
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return self.runInteraction("add_user_filter", _do_txn)
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