From d66880ec0e880da879c1eda462f81bb385e42145 Mon Sep 17 00:00:00 2001
From: Jon Goldberg <jon@megaphonetech.com>
Date: Mon, 20 May 2019 14:28:51 -0400
Subject: [PATCH] support IPN logging on processors that send JSON data as POST

---
 CRM/Core/Payment.php |  9 ++++++++-
 CRM/Utils/JSON.php   | 10 ++++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/CRM/Core/Payment.php b/CRM/Core/Payment.php
index 1e5f646223..c4f096b668 100644
--- a/CRM/Core/Payment.php
+++ b/CRM/Core/Payment.php
@@ -261,7 +261,14 @@ abstract class CRM_Core_Payment {
     }
 
     $log = new CRM_Utils_SystemLogger();
-    $log->alert($message, $_REQUEST);
+    // $_REQUEST doesn't handle JSON, to support providers that POST JSON we need the raw POST data.
+    $rawRequestData = file_get_contents("php://input");
+    if (CRM_Utils_JSON::isValidJSON($rawRequestData)) {
+      $log->alert($message, json_decode($rawRequestData, TRUE));
+    }
+    else {
+      $log->alert($message, $_REQUEST);
+    }
   }
 
   /**
diff --git a/CRM/Utils/JSON.php b/CRM/Utils/JSON.php
index d771de94e4..7ec004714f 100644
--- a/CRM/Utils/JSON.php
+++ b/CRM/Utils/JSON.php
@@ -46,6 +46,16 @@ class CRM_Utils_JSON {
     CRM_Utils_System::civiExit();
   }
 
+  /**
+   * Test whether the input string is valid JSON.
+   * @param string $str
+   * @return boolean
+   */
+  public static function isValidJSON($str) {
+    json_decode($str);
+    return json_last_error() == JSON_ERROR_NONE;
+  }
+
   /**
    * Do not use this function. See CRM-16353.
    * @deprecated
-- 
2.25.1