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#!/usr/bin/env python3
from __future__ import annotations
import argparse
import json
import os
import shutil
import sqlite3
import sys
from contextlib import contextmanager
from pathlib import Path
from sqlite3 import OperationalError
from typing import TYPE_CHECKING, Literal, assert_never
if TYPE_CHECKING:
from _typeshed import StrPath
class AESCipher:
def __init__(self, key):
self.key = key
def decrypt(self, text):
cipher = AES.new(self.key, AES.MODE_CBC, IV=(b" " * 16))
return self._unpad(cipher.decrypt(text))
def _unpad(self, s):
return s[: -ord(s[len(s) - 1 :])]
@contextmanager
def sqlite3_connect(path: StrPath):
con = sqlite3.connect(f"file:{path}?immutable=1", uri=True)
try:
yield con
finally:
con.close()
def get_cookies(cookies_path: StrPath, cookie_d_query: str, cookie_ds_query: str):
cookie_d_value = None
try:
with sqlite3_connect(cookies_path) as con:
cookie_d_value = con.execute(cookie_d_query).fetchone()[0]
cookie_ds_value = con.execute(cookie_ds_query).fetchone()[0]
return cookie_d_value, cookie_ds_value
except TypeError:
if not cookie_d_value:
print("Couldn't find the 'd' cookie value", file=sys.stderr)
sys.exit(1)
return cookie_d_value, None
parser = argparse.ArgumentParser(
description="Extract Slack tokens from the browser files"
)
parser.add_argument(
"browser", help="Which browser to extract from", metavar="<browser>"
)
parser.add_argument(
"--profile", help="Profile to look up cookies for", metavar="<profile>", nargs="?"
)
args = parser.parse_args()
browser: Literal["firefox", "chrome"]
if sys.platform.startswith("linux"):
chrome_key_iterations = 1
if args.browser == "firefox-snap":
browser = "firefox"
browser_data = Path.home().joinpath("snap/firefox/common/.mozilla/firefox")
elif args.browser == "firefox":
browser = "firefox"
browser_data = Path.home().joinpath(".mozilla/firefox")
elif args.browser == "chromium":
browser = "chrome"
browser_data = Path.home().joinpath(".config/chromium")
elif args.browser in ["chrome", "chrome-beta"]:
browser = "chrome"
browser_data = Path.home().joinpath(".config/google-%s" % args.browser)
else:
print(
f'Unsupported browser "{args.browser}" on platform Linux.', file=sys.stderr
)
sys.exit(1)
elif sys.platform.startswith("darwin"):
chrome_key_iterations = 1003
if args.browser in ["firefox", "firefox-snap"]:
browser = "firefox"
browser_data = Path.home().joinpath(
"Library/Application Support/Firefox/Profiles"
)
elif args.browser == "chromium":
browser = "chrome"
browser_data = Path.home().joinpath("Library/Application Support/Chromium")
elif args.browser in ["chrome", "chrome-beta"]:
browser = "chrome"
browser_data = Path.home().joinpath("Library/Application Support/Google/Chrome")
else:
print(
f'Unsupported browser "{args.browser}" on platform macOS.', file=sys.stderr
)
sys.exit(1)
else:
print("Currently only Linux and macOS is supported by this script", file=sys.stderr)
sys.exit(1)
profile = args.profile
if browser == "firefox":
cookie_d_query = (
"SELECT value FROM moz_cookies WHERE host = '.slack.com' " "AND name = 'd'"
)
cookie_ds_query = (
"SELECT value FROM moz_cookies WHERE host = '.slack.com' " "AND name = 'd-s'"
)
if not profile:
profile = "*.default*"
default_profile_path = max(
[x for x in browser_data.glob(profile)], key=os.path.getctime
)
if not default_profile_path:
print("Couldn't find the default profile for Firefox", file=sys.stderr)
sys.exit(1)
cookies_path = default_profile_path.joinpath("cookies.sqlite")
cookie_d_value, cookie_ds_value = get_cookies(
cookies_path, cookie_d_query, cookie_ds_query
)
local_storage_path = default_profile_path.joinpath("webappsstore.sqlite")
local_storage_query = "SELECT value FROM webappsstore2 WHERE key = 'localConfig_v2'"
local_config = None
try:
with sqlite3_connect(local_storage_path) as con:
local_config_str = con.execute(local_storage_query).fetchone()[0]
local_config = json.loads(local_config_str)
except (OperationalError, TypeError):
pass
elif browser == "chrome":
import secretstorage
from Crypto.Cipher import AES
from Crypto.Protocol.KDF import PBKDF2
from plyvel import DB
from plyvel._plyvel import IOError as pIOErr
from secretstorage.exceptions import SecretStorageException
cookie_d_query = (
"SELECT encrypted_value FROM cookies WHERE "
"host_key = '.slack.com' AND name = 'd'"
)
cookie_ds_query = (
"SELECT encrypted_value FROM cookies WHERE "
"host_key = '.slack.com' AND name = 'd-s'"
)
if not profile:
profile = "Default"
default_profile_path = browser_data.joinpath(profile)
cookies_path = default_profile_path.joinpath("Cookies")
leveldb_path = default_profile_path.joinpath("Local Storage/leveldb")
cookie_d_value, cookie_ds_value = get_cookies(
cookies_path, cookie_d_query, cookie_ds_query
)
bus = secretstorage.dbus_init()
try:
collection = secretstorage.get_default_collection(bus)
for item in collection.get_all_items():
if item.get_label() == "Chrome Safe Storage":
passwd = item.get_secret()
break
else:
raise Exception("Chrome password not found!")
except SecretStorageException:
print(
"Error communicating org.freedesktop.secrets, trying 'peanuts' "
"as a password",
file=sys.stderr,
)
passwd = "peanuts"
salt = b"saltysalt"
length = 16
key = PBKDF2(passwd, salt, length, chrome_key_iterations)
cipher = AESCipher(key)
cookie_d_value = cipher.decrypt(cookie_d_value[3:]).decode("utf8")
if cookie_ds_value:
cookie_ds_value = cipher.decrypt(cookie_ds_value[3:]).decode("utf8")
try:
db = DB(str(leveldb_path))
except pIOErr:
leveldb_copy = str(leveldb_path) + ".bak"
os.makedirs(leveldb_copy, exist_ok=True)
shutil.copytree(leveldb_path, leveldb_copy, dirs_exist_ok=True)
print(
"Leveldb was locked by a running browser - made an online copy "
f"of it in {leveldb_copy}",
file=sys.stderr,
)
db = DB(str(leveldb_copy))
local_storage_value = db.get(b"_https://app.slack.com\x00\x01localConfig_v2")
local_config = json.loads(local_storage_value[1:])
else:
assert_never(browser)
if cookie_ds_value:
cookie_value = f"d={cookie_d_value};d-s={cookie_ds_value}"
else:
cookie_value = cookie_d_value
if local_config:
teams = [
team
for team in local_config["teams"].values()
if not team["id"].startswith("E")
]
else:
teams = [
{
"token": "<token>",
"name": "Couldn't find any tokens automatically, but you can try to extract it manually as described in the readme and register the team like this",
}
]
register_commands = [
f"{team['name']}:\n/slack register {team['token']}:{cookie_value}" for team in teams
]
print("\n\n".join(register_commands))
|
