crypto.py 文件源码

def _decrypt_message(self, msg, msg_signature, timestamp, nonce):
        """???????????????????

        :param msg: ?????POST?????
        :param msg_signature: ??????URL???msg_signature
        :param timestamp: ??????URL???timestamp
        :param nonce: ??????URL???nonce
        :return: ??????
        """
        timestamp = to_binary(timestamp)
        nonce = to_binary(nonce)
        if isinstance(msg, six.string_types):
            try:
                msg = xmltodict.parse(to_text(msg))['xml']
            except Exception as e:
                raise ParseError(e)

        encrypt = msg['Encrypt']
        signature = get_sha1_signature(self.__token, timestamp, nonce, encrypt)
        if signature != msg_signature:
            raise ValidateSignatureError()
        return self.__pc.decrypt(encrypt, self.__id)