From 324b8c2e96f84c250332cb56841055a6fcaf70c7 Mon Sep 17 00:00:00 2001
From: Michael McAndrew <michaelmcandrew@thirdsectordesign.org>
Date: Mon, 12 Mar 2018 10:30:01 +0000
Subject: [PATCH] Support GET request method

---
 proxy/callback.functions.php | 24 ++++++++++++++++++++++++
 proxy/callback.php           |  2 +-
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/proxy/callback.functions.php b/proxy/callback.functions.php
index 729880d..7ebb5b4 100644
--- a/proxy/callback.functions.php
+++ b/proxy/callback.functions.php
@@ -45,6 +45,9 @@ function civiproxy_callback_redirect($target_path, $method) {
     case 'POST':
       civiproxy_callback_redirect_post($target_path);
       break;
+    case 'GET':
+      civiproxy_callback_redirect_get($target_path);
+      break;
   }
   exit;
 }
@@ -71,3 +74,24 @@ function civiproxy_callback_redirect_post($target_path) {
   // But some might be interested in the response.
   echo $response;
 }
+
+// Change the URL, forward the body. Respond with the response
+function civiproxy_callback_redirect_get($target_path) {
+  global $target_civicrm;
+  $target_url = "$target_civicrm/{$target_path}";
+
+  $ch = curl_init();
+  curl_setopt($ch, CURLOPT_URL, $target_url);
+  curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
+  curl_setopt($ch, CURLOPT_HEADER, 0);
+  $response = curl_exec($ch);
+  if (curl_error($ch)){
+    civiproxy_http_error("CURL error (" . curl_errno($ch) . ") ".curl_error($ch) , 501);
+  }
+
+  // I think that most callbacks just want a response code
+  http_response_code(curl_getinfo($ch, CURLINFO_HTTP_CODE));
+
+  // But some might be interested in the response.
+  echo $response;
+}
diff --git a/proxy/callback.php b/proxy/callback.php
index a8b2fd9..c9425ae 100644
--- a/proxy/callback.php
+++ b/proxy/callback.php
@@ -44,7 +44,7 @@ if(!isset($query_params['secret']) || $definition['secret'] !== $query_params['s
 }
 
 // Check this is a supported request method
-if(!in_array($_SERVER['REQUEST_METHOD'], ['POST'])){
+if(!in_array($_SERVER['REQUEST_METHOD'], ['GET', 'POST'])){
   civiproxy_http_error("Unsupported request method", 501);
 }