python 获取谷歌浏览器保存的密码

由于谷歌浏览器80以后版本采用了新的加密方式,所以记录在这里

# -*- coding:utf-8 -*-import osimport jsonimport base64import sqlite3from win32crypt import CryptUnprotectDatafrom cryptography.hazmat.primitives.ciphers.aead import AESGCM# pip install pywin32# pip install cryptography# 文档:https://source.chromium.org/chromium/chromium/src/+/master:components/os_crypt/os_crypt_win.cc?q=OSCrypt&ss=chromiumclass Chrome: def __init__(self): self.local_state = os.environ[’LOCALAPPDATA’] + r’GoogleChromeUser DataLocal State’ self.cookie_path = os.environ[’LOCALAPPDATA’] + r'GoogleChromeUser DataDefaultLogin Data' def get_key(self): with open(self.local_state, ’r’, encoding=’utf-8’) as f: base64_encrypted_key = json.load(f)[’os_crypt’][’encrypted_key’] encrypted_key_with_header = base64.b64decode(base64_encrypted_key) # 去掉开头的DPAPI encrypted_key = encrypted_key_with_header[5:] key_ = CryptUnprotectData(encrypted_key, None, None, None, 0)[1] return key_ @staticmethod def decrypt_string(key, secret, salt=None): ''' 解密 ''' # 去掉’v10’ nonce, cipher_bytes = secret[3:15], secret[15:] aes_gcm = AESGCM(key) return aes_gcm.decrypt(nonce, cipher_bytes, salt).decode(’utf-8’) @staticmethod def encrypt_string(key, data, salt=None): ''' 加密 ''' aes_gcm = AESGCM(key) prefix = 'v10'.encode('utf-8') # 随机生成12位字符串,拼接'v10' 共15位 nonce = os.urandom(12) cipher_bytes = data.encode('utf-8') return prefix + nonce + aes_gcm.encrypt(nonce, cipher_bytes, salt) def get_password(self, host): sql = f'select username_value,password_value from logins where signon_realm =’{host}’;' with sqlite3.connect(self.cookie_path) as conn: cu = conn.cursor() res = cu.execute(sql).fetchall() cu.close() result = [] key = self.get_key() for name, encrypted_value in res:if encrypted_value[0:3] == b’v10’ or encrypted_value[0:3] == b’v11’: password = self.decrypt_string(key, encrypted_value)else: password = CryptUnprotectData(encrypted_value)[1].decode()result.append({’user_name’: name, ’password’: password}) return result def set_password(self, host, username, password): key = self.get_key() encrypt_secret = self.encrypt_string(key, password) sq = f'''update logins set password_value=x’{encrypt_secret.hex()}’ where signon_realm =’{host}’ and username_value=’{username}’;''' with sqlite3.connect(self.cookie_path) as conn: cu = conn.cursor() cu.execute(sq) conn.commit()if __name__ == ’__main__’: a = Chrome() aa = a.get_password('https://baidu.com') print(aa)

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