mirror of
https://github.com/element-hq/synapse
synced 2024-07-04 13:23:30 +00:00
Add beginnings of upgrade script
This commit is contained in:
Erik Johnston
parent
c8dd3314d6
commit
616f88027c
223
scripts/upgrade_db_to_v0.5.5.py
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223
scripts/upgrade_db_to_v0.5.5.py
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from synapse.storage._base import SQLBaseStore
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from synapse.storage.signatures import SignatureStore
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from synapse.storage.event_federation import EventFederationStore
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from syutil.base64util import encode_base64, decode_base64
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from synapse.events import FrozenEvent
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from synapse.events.builder import EventBuilder
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from synapse.events.utils import prune_event
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from synapse.crypto.event_signing import check_event_content_hash
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from syutil.crypto.jsonsign import verify_signed_json, SignatureVerifyException
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from syutil.crypto.signing_key import (
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decode_verify_key_bytes, write_signing_keys
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)
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import dns.resolver
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import hashlib
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import json
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import sqlite3
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import sys
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import urllib2
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class Store(object):
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_get_event_signatures_txn = SignatureStore.__dict__["_get_event_signatures_txn"]
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_get_event_content_hashes_txn = SignatureStore.__dict__["_get_event_content_hashes_txn"]
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_get_event_reference_hashes_txn = SignatureStore.__dict__["_get_event_reference_hashes_txn"]
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_get_prev_event_hashes_txn = SignatureStore.__dict__["_get_prev_event_hashes_txn"]
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_get_prev_events_and_state = EventFederationStore.__dict__["_get_prev_events_and_state"]
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_get_auth_events = EventFederationStore.__dict__["_get_auth_events"]
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cursor_to_dict = SQLBaseStore.__dict__["cursor_to_dict"]
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_simple_select_onecol_txn = SQLBaseStore.__dict__["_simple_select_onecol_txn"]
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_simple_select_list_txn = SQLBaseStore.__dict__["_simple_select_list_txn"]
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def _generate_event_json(self, txn, rows):
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sql = "SELECT * FROM events WHERE event_id = ? ORDER BY rowid asc"
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events = []
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for row in rows:
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d = dict(row)
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d.pop("stream_ordering", None)
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d.pop("topological_ordering", None)
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d.pop("processed", None)
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if "origin_server_ts" not in d:
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d["origin_server_ts"] = d.pop("ts", 0)
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else:
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d.pop("ts", 0)
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d.pop("prev_state", None)
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d.update(json.loads(d.pop("unrecognized_keys")))
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d["sender"] = d.pop("user_id")
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d["content"] = json.loads(d["content"])
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if "age_ts" not in d:
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# For compatibility
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d["age_ts"] = d.get("origin_server_ts", 0)
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d.setdefault("unsigned", {})["age_ts"] = d.pop("age_ts")
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d.pop("outlier", None)
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# d.pop("membership", None)
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d.pop("state_hash", None)
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d.pop("replaces_state", None)
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events.append(EventBuilder(d))
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for i, ev in enumerate(events):
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signatures = self._get_event_signatures_txn(
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txn, ev.event_id,
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)
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ev.signatures = {
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n: {
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k: encode_base64(v) for k, v in s.items()
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}
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for n, s in signatures.items()
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}
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hashes = self._get_event_content_hashes_txn(
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txn, ev.event_id,
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)
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ev.hashes = {
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k: encode_base64(v) for k, v in hashes.items()
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}
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prevs = self._get_prev_events_and_state(txn, ev.event_id)
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ev.prev_events = [
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(e_id, h)
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for e_id, h, is_state in prevs
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if is_state == 0
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]
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# ev.auth_events = self._get_auth_events(txn, ev.event_id)
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hashes = dict(ev.auth_events)
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for e_id, hash in ev.prev_events:
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if e_id in hashes and not hash:
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hash.update(hashes[e_id])
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#
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# if hasattr(ev, "state_key"):
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# ev.prev_state = [
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# (e_id, h)
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# for e_id, h, is_state in prevs
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# if is_state == 1
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# ]
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return [e.build() for e in events]
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store = Store()
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def get_key(server_name):
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print "Getting keys for: %s" % (server_name,)
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targets = []
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if ":" in server_name:
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target, port = server_name.split(":")
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targets.append((target, int(port)))
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return
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try:
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answers = dns.resolver.query("_matrix._tcp." + server_name, "SRV")
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for srv in answers:
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targets.append((srv.target, srv.port))
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except dns.resolver.NXDOMAIN:
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targets.append((server_name, 8448))
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except:
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print "Failed to lookup keys for %s" % (server_name,)
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return {}
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for target, port in targets:
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url = "https://%s:%i/_matrix/key/v1" % (target, port)
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try:
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keys = json.load(urllib2.urlopen(url, timeout=2))
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verify_keys = {}
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for key_id, key_base64 in keys["verify_keys"].items():
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verify_key = decode_verify_key_bytes(key_id, decode_base64(key_base64))
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verify_signed_json(keys, server_name, verify_key)
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verify_keys[key_id] = verify_key
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print "Got keys for: %s" % (server_name,)
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return verify_keys
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except urllib2.URLError:
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pass
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print "Failed to get keys for %s" % (server_name,)
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return {}
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def get_events(cursor):
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# cursor.execute(
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# "SELECT * FROM events WHERE event_id = ? ORDER BY rowid DESC",
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# ("$14182049031533SMfTT:matrix.org",)
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# )
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# cursor.execute(
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# "SELECT * FROM events ORDER BY rowid DESC LIMIT 10000"
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# )
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cursor.execute(
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"SELECT * FROM events ORDER BY rowid DESC"
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)
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rows = store.cursor_to_dict(cursor)
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events = store._generate_event_json(cursor, rows)
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print "Got events from DB."
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algorithms = {
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"sha256": hashlib.sha256,
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}
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server_keys = {}
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for event in events:
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for alg_name in event.hashes:
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if check_event_content_hash(event, algorithms[alg_name]):
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# print "PASS content hash %s" % (alg_name,)
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pass
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else:
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pass
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print "FAIL content hash %s %s" % (alg_name, event.event_id, )
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# print "%s %d" % (event.event_id, event.origin_server_ts)
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# print json.dumps(event.get_pdu_json(), indent=4, sort_keys=True)
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for host, sigs in event.signatures.items():
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pruned = prune_event(event)
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for key_id in sigs:
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if host not in server_keys:
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server_keys[host] = get_key(host)
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if key_id in server_keys[host]:
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try:
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verify_signed_json(
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pruned.get_pdu_json(),
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host,
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server_keys[host][key_id]
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)
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except SignatureVerifyException as e:
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# print e
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print "FAIL signature check %s %s" % (key_id, event.event_id)
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# print json.dumps(pruned.get_pdu_json(), indent=4, sort_keys=True)
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def main():
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conn = sqlite3.connect(sys.argv[1])
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cursor = conn.cursor()
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get_events(cursor)
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conn.commit()
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if __name__ == "__main__":
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main()
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