// Response returns the response body data for the request from wechat mp platform.
func (h *recvHandler) Response(msg []byte, encryptType string) ([]byte, error) {
if encryptType == "aes" {
msgEncrypt, err := EncryptMsg(msg, h.appID, h.encodingAESKey)
if err != nil {
return nil, err
}
nonce := pb.GenNonce()
timestamp := pb.GenTimestamp()
signature := pb.GenSignature(h.token, fmt.Sprintf("%d", timestamp), nonce, msgEncrypt)
resp := &RecvHTTPEncryptRespBody{
Encrypt: pb.String2CDATA(msgEncrypt),
MsgSignature: pb.String2CDATA(signature),
TimeStamp: timestamp,
Nonce: pb.String2CDATA(nonce),
}
return xml.MarshalIndent(resp, " ", " ")
}
return msg, nil
}
// dev_msg_signature=sha1(sort(token、timestamp、nonce、msg_encrypt))
func genSignature(token, timestamp, nonce, msgEncrypt string) string {
return pb.GenSignature(token, timestamp, nonce, msgEncrypt)
}
func genSignature(token, timestamp, nonce string) string {
return pb.GenSignature(token, timestamp, nonce)
}