0
0
Fork 1
mirror of https://mau.dev/maunium/synapse.git synced 2024-12-14 17:44:01 +01:00
synapse/scripts-dev/convert_server_keys.py

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

116 lines
3.4 KiB
Python
Raw Normal View History

import hashlib
import json
import sys
import time
import psycopg2
import yaml
from canonicaljson import encode_canonical_json
2015-08-24 17:30:35 +02:00
from signedjson.key import read_signing_keys
from signedjson.sign import sign_json
from unpaddedbase64 import encode_base64
db_binary_type = memoryview
def select_v1_keys(connection):
cursor = connection.cursor()
cursor.execute("SELECT server_name, key_id, verify_key FROM server_signature_keys")
rows = cursor.fetchall()
cursor.close()
results = {}
for server_name, key_id, verify_key in rows:
results.setdefault(server_name, {})[key_id] = encode_base64(verify_key)
return results
def select_v1_certs(connection):
cursor = connection.cursor()
cursor.execute("SELECT server_name, tls_certificate FROM server_tls_certificates")
rows = cursor.fetchall()
cursor.close()
results = {}
for server_name, tls_certificate in rows:
results[server_name] = tls_certificate
return results
def select_v2_json(connection):
cursor = connection.cursor()
cursor.execute("SELECT server_name, key_id, key_json FROM server_keys_json")
rows = cursor.fetchall()
cursor.close()
results = {}
for server_name, key_id, key_json in rows:
results.setdefault(server_name, {})[key_id] = json.loads(
str(key_json).decode("utf-8")
)
return results
def convert_v1_to_v2(server_name, valid_until, keys, certificate):
return {
"old_verify_keys": {},
"server_name": server_name,
"verify_keys": {key_id: {"key": key} for key_id, key in keys.items()},
"valid_until_ts": valid_until,
"tls_fingerprints": [fingerprint(certificate)],
}
def fingerprint(certificate):
finger = hashlib.sha256(certificate)
return {"sha256": encode_base64(finger.digest())}
def rows_v2(server, json):
valid_until = json["valid_until_ts"]
key_json = encode_canonical_json(json)
for key_id in json["verify_keys"]:
yield (server, key_id, "-", valid_until, valid_until, db_binary_type(key_json))
def main():
2019-03-22 11:20:17 +01:00
config = yaml.safe_load(open(sys.argv[1]))
valid_until = int(time.time() / (3600 * 24)) * 1000 * 3600 * 24
server_name = config["server_name"]
signing_key = read_signing_keys(open(config["signing_key_path"]))[0]
database = config["database"]
assert database["name"] == "psycopg2", "Can only convert for postgresql"
args = database["args"]
args.pop("cp_max")
args.pop("cp_min")
connection = psycopg2.connect(**args)
keys = select_v1_keys(connection)
certificates = select_v1_certs(connection)
json = select_v2_json(connection)
result = {}
for server in keys:
if server not in json:
v2_json = convert_v1_to_v2(
server, valid_until, keys[server], certificates[server]
)
v2_json = sign_json(v2_json, server_name, signing_key)
result[server] = v2_json
yaml.safe_dump(result, sys.stdout, default_flow_style=False)
rows = [row for server, json in result.items() for row in rows_v2(server, json)]
cursor = connection.cursor()
cursor.executemany(
"INSERT INTO server_keys_json ("
" server_name, key_id, from_server,"
" ts_added_ms, ts_valid_until_ms, key_json"
") VALUES (%s, %s, %s, %s, %s, %s)",
rows,
)
connection.commit()
if __name__ == "__main__":
main()