odboy
c31746d7d1
- 新增 python-client 模块，提供 ConfigClient 配置拉取、定时同步、变更监听 - 使用 pyaes 替代 cryptography 实现 AES 解密，避免编译问题 - 新增 python-client-demo Flask 示例应用 - .gitignore 添加 Python 相关忽略规则
30 lines
683 B
Python
30 lines
683 B
Python
import base64
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import hashlib
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import pyaes
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CRYPT_PREFIX = "{Cipher}"
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def decrypt_config(secret: str, data: str) -> str:
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if not data.startswith(CRYPT_PREFIX):
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return data
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encrypted = data[len(CRYPT_PREFIX):]
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return decrypt_with_aes(secret, encrypted)
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def decrypt_with_aes(key: str, data: str) -> str:
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md5_hash = hashlib.md5(key.encode()).hexdigest()
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aes_key = md5_hash[16:].encode()
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cipher_text = base64.b64decode(data)
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iv = b"\0" * 16
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aes_cbc = pyaes.AESModeOfOperationCBC(aes_key, iv=iv)
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plain_text = aes_cbc.decrypt(cipher_text)
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padding = plain_text[-1]
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plain_text = plain_text[:-padding]
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return plain_text.decode()
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