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Storage for pdu signatures
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36
synapse/storage/schema/signatures.sql
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36
synapse/storage/schema/signatures.sql
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/* Copyright 2014 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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*/
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CREATE TABLE IF NOT EXISTS pdu_hashes (
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pdu_id TEXT,
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origin TEXT,
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algorithm TEXT,
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hash BLOB,
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CONSTRAINT uniqueness UNIQUE (pdu_id, origin, algorithm)
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);
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CREATE INDEX IF NOT EXISTS pdu_hashes_id ON pdu_hashes (pdu_id, origin);
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CREATE TABLE IF NOT EXISTS pdu_origin_signatures (
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pdu_id TEXT,
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origin TEXT,
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key_id TEXT,
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signature BLOB,
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CONSTRAINT uniqueness UNIQUE (pdu_id, origin, algorithm)
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);
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CREATE INDEX IF NOT EXISTS pdu_origin_signatures_id ON pdu_origin_signatures (
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pdu_id, origin,
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);
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90
synapse/storage/signatures.py
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synapse/storage/signatures.py
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# -*- coding: utf-8 -*-
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# Copyright 2014 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 _base import SQLBaseStore
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from twisted.internet import defer
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class SignatureStore(SQLBaseStore):
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"""Persistence for PDU signatures and hashes"""
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def _get_pdu_hashes_txn(self, txn, pdu_id, origin):
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"""Get all the hashes for a given PDU.
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Args:
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txn (cursor):
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pdu_id (str): Id for the PDU.
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origin (str): origin of the PDU.
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Returns:
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A dict of algorithm -> hash.
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"""
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query = (
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"SELECT algorithm, hash"
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" FROM pdu_hashes"
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" WHERE pdu_id = ? and origin = ?"
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)
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txn.execute(query, (pdu_id, origin))
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return dict(txn.fetchall())
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def _store_pdu_hash_txn(self, txn, pdu_id, origin, algorithm, hash_bytes):
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"""Store a hash for a PDU
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Args:
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txn (cursor):
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pdu_id (str): Id for the PDU.
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origin (str): origin of the PDU.
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algorithm (str): Hashing algorithm.
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hash_bytes (bytes): Hash function output bytes.
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"""
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self._simple_insert_txn(self, txn, "pdu_hashes", {
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"pdu_id": pdu_id,
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"origin": origin,
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"algorithm": algorithm,
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"hash": buffer(hash_bytes),
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})
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def _get_pdu_origin_signatures_txn(self, txn, pdu_id, origin):
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"""Get all the signatures for a given PDU.
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Args:
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txn (cursor):
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pdu_id (str): Id for the PDU.
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origin (str): origin of the PDU.
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Returns:
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A dict of key_id -> signature_bytes.
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"""
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query = (
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"SELECT key_id, signature"
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" FROM pdu_origin_signatures"
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" WHERE WHERE pdu_id = ? and origin = ?"
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)
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txn.execute(query, (pdu_id, origin))
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return dict(txn.fetchall())
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def _store_pdu_origin_signature_txn(self, txn, pdu_id, origin, key_id,
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signature_bytes):
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"""Store a signature from the origin server for a PDU.
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Args:
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txn (cursor):
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pdu_id (str): Id for the PDU.
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origin (str): origin of the PDU.
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key_id (str): Id for the signing key.
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signature (bytes): The signature.
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"""
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self._simple_insert_txn(self, txn, "pdu_origin_signatures", {
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"pdu_id": pdu_id,
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"origin": origin,
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"key_id": key_id,
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"signature": buffer(signature_bytes),
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})
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