t3lib/extjs/class.t3lib_extjs_extdirectrouter.php

   1 <?php
   2 /***************************************************************
   3 *  Copyright notice
   4 *
   5 *  (c) 2010 Sebastian Kurfuerst <sebastian@typo3.org>
   6 *  All rights reserved
   7 *
   8 *  This script is part of the TYPO3 project. The TYPO3 project is
   9 *  free software; you can redistribute it and/or modify
  10 *  it under the terms of the GNU General Public License as published by
  11 *  the Free Software Foundation; either version 2 of the License, or
  12 *  (at your option) any later version.
  13 *
  14 *  The GNU General Public License can be found at
  15 *  http://www.gnu.org/copyleft/gpl.html.
  16 *  A copy is found in the textfile GPL.txt and important notices to the license
  17 *  from the author is found in LICENSE.txt distributed with these scripts.
  18 *
  19 *
  20 *  This script is distributed in the hope that it will be useful,
  21 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  22 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23 *  GNU General Public License for more details.
  24 *
  25 *  This copyright notice MUST APPEAR in all copies of the script!
  26 ***************************************************************/
  27
  28 /**
  29  * Ext Direct Router
  30  *
  31  * @author      Sebastian Kurfuerst <sebastian@typo3.org>
  32  * @author      Stefan Galinski <stefan.galinski@gmail.com>
  33  * @package     TYPO3
  34  */
  35 class t3lib_extjs_ExtDirectRouter {
  36         /**
  37          * Dispatches the incoming calls to methods about the ExtDirect API.
  38          *
  39          * @param aray $ajaxParams ajax parameters
  40          * @param TYPO3AJAX $ajaxObj typo3ajax instance
  41          * @return void
  42          */
  43         public function route($ajaxParams, TYPO3AJAX $ajaxObj) {
  44                 try {
  45                         $isForm = FALSE;
  46                         $isUpload = FALSE;
  47                         $rawPostData = file_get_contents('php://input');
  48                         $postParameters = t3lib_div::_POST();
  49                         $namespace = t3lib_div::_GET('namespace');
  50
  51                         if (!empty($postParameters['extAction'])) {
  52                                 $isForm = TRUE;
  53                                 $isUpload = $postParameters['extUpload'] === 'true';
  54
  55                                 $request->action = $postParameters['extAction'];
  56                                 $request->method = $postParameters['extMethod'];
  57                                 $request->tid = $postParameters['extTID'];
  58                                 $request->data = array($_POST + $_FILES);
  59                         } elseif (!empty($rawPostData)) {
  60                                 $request = json_decode($rawPostData);
  61                         } else {
  62                                 throw new t3lib_error_Exception('ExtDirect: Missing Parameters!');
  63                         }
  64
  65                         $response = NULL;
  66                         if (is_array($request)) {
  67                                 $response = array();
  68                                 foreach ($request as $singleRequest) {
  69                                         $response[] = $this->processRpc($singleRequest, $namespace);
  70                                 }
  71                         } else {
  72                                 $response = $this->processRpc($request, $namespace);
  73                         }
  74
  75                         if ($isForm && $isUpload) {
  76                                 $ajaxObj->setContentFormat('plain');
  77                                 $response = json_encode($response);
  78                                 $response = preg_replace('/&quot;/', '\\&quot;', $response);
  79
  80                                 $response = array(
  81                                         '<html><body><textarea>' .
  82                                         $response .
  83                                         '</textarea></body></html>'
  84                                 );
  85                         } else {
  86                                 $ajaxObj->setContentFormat('jsonbody');
  87                         }
  88                 } catch (t3lib_error_Exception $exception) {
  89                         $response = array(
  90                                 'type' => 'exception',
  91                                 'message' => $exception->getMessage(),
  92                                 'where' => $exception->getTraceAsString()
  93                         );
  94                 }
  95
  96                 $ajaxObj->setContent($response);
  97         }
  98
  99
 100         /**
 101          * Processes an incoming extDirect call by executing the defined method. The configuration
 102          * array "$GLOBALS['TYPO3_CONF_VARS']['BE']['ExtDirect']" is taken to find the class/method
 103          * information.
 104          *
 105          * @param object $singleRequest request object from extJS
 106          * @param string $namespace namespace like TYPO3.Backend
 107          * @return mixed return value of the called method
 108          */
 109         protected function processRpc($singleRequest, $namespace) {
 110                 try {
 111                         $endpointName = $namespace . '.' . $singleRequest->action;
 112
 113                         // theoretically this can never happen, because of an javascript error on
 114                         // the client side due the missing namespace/endpoint
 115                         if (!isset($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['ExtDirect'][$endpointName])) {
 116                                 throw new t3lib_error_Exception('ExtDirect: Call to undefined endpoint: ' . $endpointName);
 117                         }
 118
 119                         $response = array(
 120                                 'type' => 'rpc',
 121                                 'tid' => $singleRequest->tid,
 122                                 'action' => $singleRequest->action,
 123                                 'method' => $singleRequest->method
 124                         );
 125
 126                         $endpointObject = t3lib_div::getUserObj(
 127                                 $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['ExtDirect'][$endpointName],
 128                                 FALSE
 129                         );
 130
 131                         $response['result'] = call_user_func_array(
 132                                 array($endpointObject, $singleRequest->method),
 133                                 is_array($singleRequest->data) ? $singleRequest->data : array()
 134                         );
 135
 136                 } catch (t3lib_error_Exception $exception) {
 137                         throw $exception;
 138                 }
 139
 140                 return $response;
 141         }
 142 }
 143
 144 if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_extjs_extdirectrouter.php'])     {
 145         include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_extjs_extdirectrouter.php']);
 146 }
 147
 148 ?>