def encrypt_message(self, reply, timestamp=None, nonce=None):
"""
加密微信回复
:param reply: 加密前的回复
:type reply: WeChatReply 或 XML 文本
:return: 加密后的回复文本
"""
if hasattr(reply, "render"):
reply = reply.render()
timestamp = timestamp or to_binary(int(time.time()))
nonce = nonce or generate_token(5)
encrypt = to_text(self.prp_crypto.encrypt(reply, self.app_id))
signature = get_signature(self.token, timestamp, nonce, encrypt)
return to_text(self.ENCRYPTED_MESSAGE_XML.format(
encrypt=encrypt,
signature=signature,
timestamp=timestamp,
nonce=nonce
))
def get_random_string(self):
"""
:return: 长度为16的随即字符串
"""
return generate_token(16)