Files
relay/chatmaild/src/chatmaild/migrate_db.py
2025-01-24 20:57:13 +01:00

64 lines
1.9 KiB
Python

"""
migration code from old sqlite databases into per-maildir "password" files
where mtime reflects and is updated to be the "last-login" time.
"""
import logging
import os
import sqlite3
import sys
from chatmaild.config import read_config
def get_all_rows(path):
assert path.exists()
uri = f"file:{path}?mode=ro"
sqlconn = sqlite3.connect(uri, timeout=60, isolation_level="DEFERRED", uri=True)
cur = sqlconn.cursor()
cur.execute("SELECT * from users")
rows = cur.fetchall()
sqlconn.close()
return rows
def migrate_from_db_to_maildir(config, chunking=10000):
path = config.passdb_path
if not path.exists():
return
all_rows = get_all_rows(path)
# don't transfer special/CI accounts
rows = [row for row in all_rows if row[0][:3] not in ("ci-", "ac_")]
logging.info(f"ignoring {len(all_rows) - len(rows)} CI accounts")
logging.info(f"migrating {len(rows)} sqlite database passwords to user dirs")
for i, row in enumerate(rows):
addr = row[0]
enc_password = row[1]
user = config.get_user(addr)
user.set_password(enc_password)
if len(row) == 3 and row[2]:
timestamp = int(row[2])
user.set_last_login_timestamp(timestamp)
if i > 0 and i % chunking == 0:
logging.info(f"migration-progress: {i} passwords transferred")
logging.info("migration: all passwords migrated")
oldpath = config.passdb_path.with_suffix(config.passdb_path.suffix + ".old")
os.rename(config.passdb_path, oldpath)
for path in config.passdb_path.parent.iterdir():
if path.name.startswith(config.passdb_path.name + "-"):
path.unlink()
logging.info(f"migration: moved database to {oldpath!r}")
if __name__ == "__main__":
config = read_config(sys.argv[1])
logging.basicConfig(level=logging.INFO)
migrate_from_db_to_maildir(config)