Merge pull request #1683 from lingjiameng/main

app/helper/cookiecloud.py

@@ -1,7 +1,11 @@
+import json
+
 from typing import Tuple, Optional
+from hashlib import md5
 
 from app.utils.http import RequestUtils
 from app.utils.string import StringUtils
+from app.utils.common import decrypt
 
 
 class CookieCloudHelper:
@@ -22,11 +26,25 @@ class CookieCloudHelper:
         if not self._server or not self._key or not self._password:
             return None, "CookieCloud参数不正确"
         req_url = "%s/get/%s" % (self._server, str(self._key).strip())
-        ret = self._req.post_res(url=req_url, json={"password": str(self._password).strip()})
+        ret = self._req.get_res(url=req_url)
         if ret and ret.status_code == 200:
             result = ret.json()
             if not result:
                 return {}, "未下载到数据"        
+            encrypted = result.get("encrypted")
+            if not encrypted:
+                return {}, "未获取到cookie密文"
+            else:
+                crypt_key = self.get_crypt_key()
+                try:
+                    decrypted_data = decrypt(encrypted, crypt_key).decode('utf-8')
+                    result = json.loads(decrypted_data)
+                except Exception as e:
+                    return {}, "cookie解密失败" + str(e)
+
+            if not result:
+                return {}, "cookie解密为空"
+            
             if result.get("cookie_data"):
                 contents = result.get("cookie_data")
             else:
@@ -66,3 +84,11 @@ class CookieCloudHelper:
             return None, f"同步CookieCloud失败，错误码：{ret.status_code}"
         else:
             return None, "CookieCloud请求失败，请检查服务器地址、用户KEY及加密密码是否正确"
+        
+    def get_crypt_key(self) -> bytes:
+        """
+        使用UUID和密码生成CookieCloud的加解密密钥
+        """
+        md5_generator = md5()
+        md5_generator.update((str(self._key).strip() + '-' + str(self._password).strip()).encode('utf-8'))
+        return (md5_generator.hexdigest()[:16]).encode('utf-8')

app/utils/common.py

@@ -1,5 +1,10 @@
 import time
+import base64
+
 from typing import Any
+from Crypto import Random
+from Crypto.Cipher import AES
+from hashlib import md5
 
 
 def retry(ExceptionToCheck: Any,
@@ -32,3 +37,48 @@ def retry(ExceptionToCheck: Any,
         return f_retry
 
     return deco_retry
+
+
+def bytes_to_key(data: bytes, salt: bytes, output=48) -> bytes:
+    # extended from https://gist.github.com/gsakkis/4546068
+    assert len(salt) == 8, len(salt)
+    data += salt
+    key = md5(data).digest()
+    final_key = key
+    while len(final_key) < output:
+        key = md5(key + data).digest()
+        final_key += key
+    return final_key[:output]
+
+
+def encrypt(message: bytes, passphrase: bytes) -> bytes:
+    """
+    CryptoJS 加密原文
+    
+    This is a modified copy of https://stackoverflow.com/questions/36762098/how-to-decrypt-password-from-javascript-cryptojs-aes-encryptpassword-passphras
+    """
+    salt = Random.new().read(8)
+    key_iv = bytes_to_key(passphrase, salt, 32 + 16)
+    key = key_iv[:32]
+    iv = key_iv[32:]
+    aes = AES.new(key, AES.MODE_CBC, iv)
+    length = 16 - (len(message) % 16)
+    data = message + (chr(length) * length).encode()
+    return base64.b64encode(b"Salted__" + salt + aes.encrypt(data))
+
+
+def decrypt(encrypted: str | bytes, passphrase: bytes) -> bytes:
+    """
+    CryptoJS 解密密文
+    
+    来源同encrypt
+    """
+    encrypted = base64.b64decode(encrypted)
+    assert encrypted[0:8] == b"Salted__"
+    salt = encrypted[8:16]
+    key_iv = bytes_to_key(passphrase, salt, 32 + 16)
+    key = key_iv[:32]
+    iv = key_iv[32:]
+    aes = AES.new(key, AES.MODE_CBC, iv)
+    data = aes.decrypt(encrypted[16:])
+    return data[:-(data[-1] if type(data[-1]) == int else ord(data[-1]))]