IndexedDB database file walker for Firefox

idb-walk.py

#!/usr/bin/env python3.6

"""
Hacky code to walk all the IndexedDB storage in your Firefox profile
and print some basic information about them.
The hardcoded path here works in WSL, Linux-for-Windows. Change as needed.
"""

base_dir = '/mnt/c/Users/*/AppData/Roaming/Mozilla/Firefox/Profiles/*/storage/default/'

import sqlite3, glob, re

path_re = re.compile(r'storage/default/([^/]+)/idb/')

q_db_cols = '''
select object_store.name, group_concat(object_store_index.name)
from object_store left join object_store_index
on object_store.id = object_store_index.object_store_id
group by object_store.name;
'''

q_dbs = '''
select origin, name, version, last_vacuum_size 
from database;
'''

for fn in glob.glob(f'{base_dir}/*/idb/*.sqlite'):
    # Grab the site from the path name, but we don't really use this
    m = path_re.search(fn)
    assert m is not None
    site_path = m.group(1).replace('+++', '://')

    conn = sqlite3.connect(fn)
    c = conn.cursor()
    for origin, name, version, size in c.execute(q_dbs):
        print(f'{origin:30.30} {name:24.24} {version:10} {size:10}')
        for table, columns in conn.execute(q_db_cols):
            columns = '-' if columns is None else columns
            columns = columns.replace(',', ', ')
            print(f'  {table} {columns}')
    print()