forked from MirrorHub/synapse
116 lines
3.4 KiB
Python
116 lines
3.4 KiB
Python
import psycopg2
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import yaml
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import sys
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import json
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import time
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import hashlib
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from syutil.base64util import encode_base64
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from syutil.crypto.signing_key import read_signing_keys
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from syutil.crypto.jsonsign import sign_json
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from syutil.jsonutil import encode_canonical_json
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def select_v1_keys(connection):
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cursor = connection.cursor()
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cursor.execute("SELECT server_name, key_id, verify_key FROM server_signature_keys")
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rows = cursor.fetchall()
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cursor.close()
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results = {}
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for server_name, key_id, verify_key in rows:
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results.setdefault(server_name, {})[key_id] = encode_base64(verify_key)
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return results
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def select_v1_certs(connection):
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cursor = connection.cursor()
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cursor.execute("SELECT server_name, tls_certificate FROM server_tls_certificates")
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rows = cursor.fetchall()
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cursor.close()
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results = {}
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for server_name, tls_certificate in rows:
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results[server_name] = tls_certificate
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return results
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def select_v2_json(connection):
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cursor = connection.cursor()
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cursor.execute("SELECT server_name, key_id, key_json FROM server_keys_json")
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rows = cursor.fetchall()
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cursor.close()
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results = {}
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for server_name, key_id, key_json in rows:
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results.setdefault(server_name, {})[key_id] = json.loads(str(key_json).decode("utf-8"))
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return results
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def convert_v1_to_v2(server_name, valid_until, keys, certificate):
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return {
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"old_verify_keys": {},
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"server_name": server_name,
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"verify_keys": {
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key_id: {"key": key}
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for key_id, key in keys.items()
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},
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"valid_until_ts": valid_until,
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"tls_fingerprints": [fingerprint(certificate)],
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}
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def fingerprint(certificate):
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finger = hashlib.sha256(certificate)
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return {"sha256": encode_base64(finger.digest())}
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def rows_v2(server, json):
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valid_until = json["valid_until_ts"]
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key_json = encode_canonical_json(json)
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for key_id in json["verify_keys"]:
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yield (server, key_id, "-", valid_until, valid_until, buffer(key_json))
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def main():
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config = yaml.load(open(sys.argv[1]))
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valid_until = int(time.time() / (3600 * 24)) * 1000 * 3600 * 24
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server_name = config["server_name"]
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signing_key = read_signing_keys(open(config["signing_key_path"]))[0]
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database = config["database"]
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assert database["name"] == "psycopg2", "Can only convert for postgresql"
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args = database["args"]
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args.pop("cp_max")
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args.pop("cp_min")
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connection = psycopg2.connect(**args)
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keys = select_v1_keys(connection)
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certificates = select_v1_certs(connection)
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json = select_v2_json(connection)
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result = {}
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for server in keys:
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if not server in json:
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v2_json = convert_v1_to_v2(
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server, valid_until, keys[server], certificates[server]
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)
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v2_json = sign_json(v2_json, server_name, signing_key)
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result[server] = v2_json
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yaml.safe_dump(result, sys.stdout, default_flow_style=False)
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rows = list(
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row for server, json in result.items()
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for row in rows_v2(server, json)
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)
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cursor = connection.cursor()
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cursor.executemany(
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"INSERT INTO server_keys_json ("
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" server_name, key_id, from_server,"
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" ts_added_ms, ts_valid_until_ms, key_json"
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") VALUES (%s, %s, %s, %s, %s, %s)",
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rows
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)
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connection.commit()
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if __name__ == '__main__':
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main()
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