From 9f68be1c3afd30ff5a4fce3ba656a57ff66605a5 Mon Sep 17 00:00:00 2001
From: patrick <patrick@lawipac.comm>
Date: Mon, 9 Mar 2020 13:02:51 +1100
Subject: [PATCH] rpn submit works, but proxy http is not feasible, as js/image
 is not included.

---
 rpn.go | 131 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 129 insertions(+), 2 deletions(-)

diff --git a/rpn.go b/rpn.go
index aa04f85..eb93857 100644
--- a/rpn.go
+++ b/rpn.go
@@ -1,13 +1,140 @@
 package main
 
-import "net/url"
+import (
+	"net/http"
+	"net/url"
+	"strconv"
+	"strings"
+	"time"
+)
 
 // var url = "https://deposit.paylomo.net/pay.php?r=payEasy"          //production
 // var url = "https://deposit-mac.chinapaytech.com/pay.php?r=payEasy" //test
 // var md5p2p = "370296119874502"
 // var md5fat = "207841502473198"
+type RpnReq struct {
+	version      string
+	sign_type    string
+	mid          string
+	notify_url   string
+	order_id     string
+	order_amount string
+	order_time   string //YYYYMMDDHHMMSS
+	user_id      string
+	user_name    string
+	user_cardno  string
+	signature    string
+}
+
+//build request from leanwork request forms
+func (m *RpnReq) buildReqByForm(form url.Values) RpnReq {
+	r := RpnReq{}
+	r.version = "1.1"
+	r.sign_type = "MD5"
+	r.mid = "EU85201311P2P"
+	r.notify_url = "http://rpn.supertraderfx.ayvwd8em49pvoa3g.com/rpn_notify"
+	r.order_id = form["orderNo"][0]
+	r.order_amount = form["orderAmount"][0] //cents
+	r.order_time = m.now()
+	r.user_id = form["customerId"][0]
+	r.user_name = "SuperForex"
+	r.user_cardno = "6212262002002377849"
+	r.signature = md4RpnFormP2P(r)
+	*m = r
+	return r
+}
+
+func (m *RpnReq) now() string {
+	t := time.Now()
+	return t.Format("20060102150405")
+}
 
 //send request to RPN to initiate transaction
-func sendReq(form url.Values) {
+func (m *RpnReq) SendReq(form url.Values) (*http.Response, error) {
+	r := m.buildReqByForm(form)
+	hc := http.Client{Timeout: 15 * time.Second}
+
+	myForm := url.Values{}
+	myForm.Set("version", r.version)
+	myForm.Set("sign_type", r.sign_type)
+	myForm.Set("mid", r.mid)
+	myForm.Set("notify_url", r.notify_url)
+	myForm.Set("order_id", r.order_id)
+	myForm.Set("order_amount", r.order_amount)
+	myForm.Set("order_time", r.order_time)
+	myForm.Set("user_id", r.user_id)
+	myForm.Set("user_name", r.user_name)
+	myForm.Set("user_cardno", r.user_cardno)
+	myForm.Set("signature", r.signature)
 
+	//req, err := http.NewRequest("POST", "https://lawipac.com/dumprequest.php", strings.NewReader(myForm.Encode()))
+	req, err := http.NewRequest("POST", Config.Rpn.UrlTest, strings.NewReader(m.encode()))
+	if err != nil {
+		panic("wrong")
+	}
+	req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
+	req.Header.Add("content-Length", strconv.Itoa(len(form.Encode())))
+	return hc.Do(req)
+	//Config.Rpn.UrlTest
+	// return http.PostForm(Config.Rpn.UrlTest, myForm)
+	//return http.PostForm("https://lawipac.com/dumprequest.php", myForm)
 }
+
+//encode without disturbing it's original order
+func (m *RpnReq) encode() string {
+	s := "version=" + m.version
+	s += "&sign_type=" + m.sign_type
+	s += "&mid=" + m.mid
+	s += "&notify_url=" + url.QueryEscape(m.notify_url)
+	s += "&order_id=" + m.order_id
+	s += "&order_amount=" + m.order_amount
+	s += "&order_time=" + m.order_time
+	s += "&user_id=" + m.user_id
+	s += "&user_name=" + m.user_name
+	s += "&user_cardno=" + m.user_cardno
+	s += "&signature=" + m.signature
+	return s
+}
+
+// <?php
+// $data = array(
+//   'version'=>'1.1',
+//   'sign_type'=> 'MD5',
+//   'mid'         => 'EU85201311P2P', //must to use your mid
+//   'notify_url'   => 'https://lawipac.com/dumprequest.php',
+//   'order_id'   => "demo-" . date('YmdHis'),
+//   'order_amount'   => 120000 , //round($_POST['amount']*100),
+//   'order_time'     => date('YmdHis'),
+//   'user_id'=> 'supertraderP2P', //$_POST['user_id'],
+//   'user_name'=>"zhang3", //urlencode($_POST['user_name']),
+//   'user_cardno'=>"6212262002002377849" //$_POST['user_cardno'],
+// );
+
+// $params = array();
+// foreach ($data as $field => $value) {
+// if( $value == '' ) continue;
+//         $params[] = "$field=$value";
+// }
+// $params[] = "key=p1j4A3mEMj+ft0xkSfVULQ"; //must to use your key
+
+// $data['signature'] = md5(implode('|', $params));
+// ?>
+
+// <html>
+// <head>
+// <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+// </head>
+// <body>
+//         <form id="payment" name="payment" action="https://deposit.paylomo.net/pay.php?r=payEasy" method="POST">
+//                 <?php
+//                 foreach ($data as $key => $val) {
+//                         echo '<input type="hidden" name="'.$key.'" value="'.$val.'" />';
+//                 }
+//                 ?>
+//                 <input type="submit" value="submit">
+//         </form>
+// </body>
+// <script type="text/javascript">
+//         // document.getElementById('payment').submit();
+// </script>
+// some text