From 95b90b74eca9470c4c2d2ca28b0b30014dfb19d8 Mon Sep 17 00:00:00 2001
From: Joshua Lewis <jlewis@bitpay.com>
Date: Thu, 17 Sep 2020 10:47:43 -0400
Subject: [PATCH] ipn updates

---
 .gitignore                                    |  1 +
 modules/gateways/bitpaycheckout.php           |  4 ++--
 .../bitpaycheckout_callback.php               |  2 +-
 .../bitpaycheckout/bitpaycheckout_ipn.php     | 19 ++++++++++++++++++-
 4 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/.gitignore b/.gitignore
index d7364a5..eebb221 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,3 +27,4 @@
 composer.lock
 composer.phar
 .DS_Store
+modules/gateways/bitpaycheckout/bitpay.txt
diff --git a/modules/gateways/bitpaycheckout.php b/modules/gateways/bitpaycheckout.php
index c70503b..9a38e37 100644
--- a/modules/gateways/bitpaycheckout.php
+++ b/modules/gateways/bitpaycheckout.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * BitPay Checkout 3.0.1.6
+ * BitPay Checkout 3.0.1.7
  *
  * Within the module itself, all functions must be prefixed with the module
  * filename, followed by an underscore, and then the function name. For this
@@ -54,7 +54,7 @@ function bitpaycheckout_MetaData()
 {
     return array(
         'DisplayName' => 'BitPay_Checkout_WHCMS',
-        'APIVersion' => '3.0.1.6', // Use API Version 1.1
+        'APIVersion' => '3.0.1.7', // Use API Version 1.1
         'DisableLocalCreditCardInput' => false,
         'TokenisedStorage' => false,
     );
diff --git a/modules/gateways/bitpaycheckout/bitpaycheckout_callback.php b/modules/gateways/bitpaycheckout/bitpaycheckout_callback.php
index 4ebde0a..eb776b5 100644
--- a/modules/gateways/bitpaycheckout/bitpaycheckout_callback.php
+++ b/modules/gateways/bitpaycheckout/bitpaycheckout_callback.php
@@ -1,7 +1,7 @@
 <?php
 
 /**
- * BitPay Checkout Callback 3.0.1.6
+ * BitPay Checkout Callback 3.0.1.7
  *
  * This file demonstrates how a payment gateway callback should be
  * handled within WHMCS.
diff --git a/modules/gateways/bitpaycheckout/bitpaycheckout_ipn.php b/modules/gateways/bitpaycheckout/bitpaycheckout_ipn.php
index 2d2d8ed..48f05cb 100644
--- a/modules/gateways/bitpaycheckout/bitpaycheckout_ipn.php
+++ b/modules/gateways/bitpaycheckout/bitpaycheckout_ipn.php
@@ -1,7 +1,7 @@
 <?php
 
 /**
- * BitPay Checkout IPN 3.0.1.6
+ * BitPay Checkout IPN 3.0.1.7
  *
  * This file demonstrates how a payment gateway callback should be
  * handled within WHMCS.
@@ -22,6 +22,16 @@
 require_once  '../../../includes/gatewayfunctions.php';
 require_once  '../../../includes/invoicefunctions.php';
 
+function checkInvoiceStatus($url){
+    $ch = curl_init();
+    curl_setopt($ch, CURLOPT_URL, $url);
+    curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json'));
+    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+    $result = curl_exec($ch);
+    curl_close($ch);
+    return $result;
+}
+
 $all_data = json_decode(file_get_contents("php://input"), true);
 $file = 'bitpay.txt';
 
@@ -41,6 +51,13 @@
 
 $price = $data['price'];
 
+$url_check = str_replace("invoice?id=","invoices/",$data['url']);
+$invoiceStatus = json_decode(checkInvoiceStatus($url_check));
+if($order_status != $invoiceStatus->data->status):
+    #ipn doesnt match data, stop
+    die();
+endif;
+
 #first see if the ipn matches
 #get the user id first
 $table = "_bitpay_checkout_transactions";