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|
#!/usr/bin/env python3
import argparse
import json
import os
import secretstorage
import shutil
import sqlite3
import sys
from pathlib import Path
from secretstorage.exceptions import SecretStorageException
from sqlite3 import OperationalError
try:
import_err = None
from Crypto.Cipher import AES
from Crypto.Protocol.KDF import PBKDF2
from plyvel import DB
from plyvel._plyvel import IOError as pIOErr
except ModuleNotFoundError as e:
import_err = e
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 :])]
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("--token", help="Extracted token", metavar="<token>", nargs="?")
parser.add_argument(
"--profile", help="Profile to look up cookies for", metavar="<profile>", nargs="?"
)
args = parser.parse_args()
if args.browser not in ["firefox", "firefox-snap", "chrome", "chrome-beta"]:
print(
"Currently only firefox. firefox-snap, chrome, "
"chrome-beta are supported by this script",
file=sys.stderr,
)
sys.exit(1)
if sys.platform.startswith("linux"):
iterations = 1
if args.browser == "firefox-snap":
browser_data = Path.home().joinpath("snap/firefox/common/.mozilla/firefox")
elif args.browser == "firefox":
browser_data = Path.home().joinpath(".mozilla/firefox")
else:
browser_data = Path.home().joinpath(".config/google-%s" % args.browser)
elif sys.platform.startswith("darwin"):
iterations = 1003
if args.browser in ["firefox", "firefox-snap"]:
browser_data = Path.home().joinpath(
"Library/Application Support/Firefox/Profiles"
)
else:
browser_data = Path.home().joinpath("Library/Application Support/Chrome")
else:
print("Currently only Linux and macOS is supported by this script", file=sys.stderr)
sys.exit(1)
leveldb_path = None
profile = args.profile
if args.browser in ["firefox", "firefox-snap"]:
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")
else:
if import_err:
print("Missing required modules for Chrome browser support", file=sys.stderr)
raise import_err
# b'v10' is for Chromium, but not Chrome, it seems?
prefix = b"v11"
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")
con = None
cookie_d_value = None
cookie_ds_value = None
try:
con = sqlite3.connect(f"file:{cookies_path}?immutable=1", uri=True)
cookie_d_value = con.execute(cookie_d_query).fetchone()[0]
cookie_ds_value = con.execute(cookie_ds_query).fetchone()[0]
except TypeError:
if not cookie_d_value:
print("Couldn't find the 'd' cookie value", file=sys.stderr)
sys.exit(1)
finally:
if con:
con.close()
if args.browser in ["chrome", "chrome-beta"]:
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, iterations)
cipher = AESCipher(key)
if cookie_d_value[:3] == prefix:
cookie_d_value = cipher.decrypt(cookie_d_value[3:]).decode("utf8")
if cookie_ds_value and cookie_ds_value[:3] == prefix:
cookie_ds_value = cipher.decrypt(cookie_ds_value[3:]).decode("utf8")
if cookie_ds_value:
cookie_value = f"d={cookie_d_value};d-s={cookie_ds_value}"
else:
cookie_value = cookie_d_value
local_storage_path = default_profile_path.joinpath("webappsstore.sqlite")
local_storage_query = "SELECT value FROM webappsstore2 WHERE key = 'localConfig_v2'"
teams = []
con = None
local_config = None
try:
con = sqlite3.connect(f"file:{local_storage_path}?immutable=1", uri=True)
local_config_str = con.execute(local_storage_query).fetchone()[0]
local_config = json.loads(local_config_str)
except (OperationalError, TypeError):
if not args.token and args.browser not in ["chrome", "chrome-beta"]:
print(
"Couldn't find the token for team, extract it manually "
'by running \'window.prompt("Session token:", '
"TS.boot_data.api_token)' in your browser dev console "
"and specify it in --token",
file=sys.stderr,
)
sys.exit(1)
finally:
if con:
con.close()
if not local_config and leveldb_path:
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:])
teams = [
team
for team in local_config["teams"].values()
if not team["id"].startswith("E")
]
if not teams:
teams = [{"token": args.token, "name": "Slack"}]
register_commands = [
f"{team['name']}:\n/slack register {team['token']}:{cookie_value}" for team in teams
]
print("\n\n".join(register_commands))
|
