这段代码只能在Windows系统运行，chrome的cookies信息存放在一个sqlite数据库中

import base64
import sqlite3
import logging
from win32crypt import CryptUnprotectData
from cryptography.hazmat.primitives.ciphers.aead import AESGCM


def get_string(local_state):
    with open(local_state, 'r', encoding='utf-8') as f:
        s = json.load(f)['os_crypt']['encrypted_key']
    return s

def pull_the_key(base64_encrypted_key):
    encrypted_key_with_header = base64.b64decode(base64_encrypted_key)
    encrypted_key = encrypted_key_with_header[5:]
    key = CryptUnprotectData(encrypted_key, None, None, None, 0)[1]
    return key

def decrypt_string(key, data):
    nonce, cipherbytes = data[3:15], data[15:]
    aesgcm = AESGCM(key)
    plainbytes = aesgcm.decrypt(nonce, cipherbytes, None)
    plaintext = plainbytes.decode('utf-8')
    return plaintext

def getCookieFromChrome(host='.oschina.net'):
    local_state = os.environ['LOCALAPPDATA'] + r'\Google\Chrome\User Data\Local State'
    cookie_path = os.environ['LOCALAPPDATA'] + r"\Google\Chrome\User Data\Default\Cookies"
    if not os.path.exists(cookie_path):
        cookie_path = os.environ['LOCALAPPDATA'] + r"\Google\Chrome\User Data\Default\Network\Cookies"

    sql = "select host_key,name,encrypted_value from cookies where host_key='%s'" % host

    with sqlite3.connect(cookie_path) as conn:
        conn.text_factory = bytes
        cu = conn.cursor()
        res = cu.execute(sql).fetchall()
        cu.close()
        cookies = {}
        key = pull_the_key(get_string(local_state))
        for host_key, name, encrypted_value in res:
            if encrypted_value[0:3] == b'v10':
                cookies[str(name, "utf-8")] = decrypt_string(key, encrypted_value)
            else:
                cookies[str(name, "utf-8")] = CryptUnprotectData(encrypted_value)[1].decode()

        return cookies


if __name__ == '__main__':
    cookies = getCookieFromChrome(host='.amazon.com')