replaced $HTTP_RAW_POST_DATA with http_get_raw_post_data function

inc/IXR_Library.php

@@ -302,11 +302,12 @@ class IXR_Server {
     }
     function serve($data = false) {
         if (!$data) {
-            global $HTTP_RAW_POST_DATA;
-            if (!$HTTP_RAW_POST_DATA) {
+
+            $postData = trim(http_get_raw_post_data());
+            if (!$postData) {
                 die('XML-RPC server accepts POST requests only.');
             }
-            $data = $HTTP_RAW_POST_DATA;
+            $data = $postData;
         }
         $this->message = new IXR_Message($data);
         if (!$this->message->parse()) {

inc/httputils.php

@@ -249,3 +249,11 @@ function http_cached_finish($file, $content) {
         print $content;
     }
 }
+
+function http_get_raw_post_data() {
+    static $postData = null;
+    if ($postData === null) {
+        $postData = file_get_contents('php://input');
+    }
+    return $postData;
+}

lib/exe/xmlrpc.php

 <?php
 if(!defined('DOKU_INC')) define('DOKU_INC',dirname(__FILE__).'/../../');
 
-// fix when '< ?xml' isn't on the very first line
-if(isset($HTTP_RAW_POST_DATA)) $HTTP_RAW_POST_DATA = trim($HTTP_RAW_POST_DATA);
-
 require_once(DOKU_INC.'inc/init.php');
 require_once(DOKU_INC.'inc/remote.php');
 session_write_close();  //close session

lib/plugins/acl/ajax.php

@@ -6,16 +6,17 @@
  * @author     Andreas Gohr <andi@splitbrain.org>
  */
 
-//fix for Opera XMLHttpRequests
-if(!count($_POST) && !empty($HTTP_RAW_POST_DATA)){
-  parse_str($HTTP_RAW_POST_DATA, $_POST);
-}
-
 if(!defined('DOKU_INC')) define('DOKU_INC',dirname(__FILE__).'/../../../');
 require_once(DOKU_INC.'inc/init.php');
 //close session
 session_write_close();
 
+//fix for Opera XMLHttpRequests
+$postData = http_get_raw_post_data();
+if(!count($_POST) && !empty($postData)){
+    parse_str($postData, $_POST);
+}
+
 if(!auth_isadmin()) die('for admins only');
 if(!checkSecurityToken()) die('CRSF Attack');