t3lib/extjs/class.t3lib_extjs_extdirectrouter.php

   1 <?php
   2 /***************************************************************
   3 *  Copyright notice
   4 *
   5 *  (c) 2010 Sebastian Kurfuerst <sebastian@typo3.org>
   6 *  (c) 2010 Stefan Galinski <stefan.galinski@gmail.com>
   7 *  All rights reserved
   8 *
   9 *  This script is part of the TYPO3 project. The TYPO3 project is
  10 *  free software; you can redistribute it and/or modify
  11 *  it under the terms of the GNU General Public License as published by
  12 *  the Free Software Foundation; either version 2 of the License, or
  13 *  (at your option) any later version.
  14 *
  15 *  The GNU General Public License can be found at
  16 *  http://www.gnu.org/copyleft/gpl.html.
  17 *  A copy is found in the textfile GPL.txt and important notices to the license
  18 *  from the author is found in LICENSE.txt distributed with these scripts.
  19 *
  20 *
  21 *  This script is distributed in the hope that it will be useful,
  22 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 *  GNU General Public License for more details.
  25 *
  26 *  This copyright notice MUST APPEAR in all copies of the script!
  27 ***************************************************************/
  28
  29 /**
  30  * Ext Direct Router
  31  *
  32  * @author      Sebastian Kurfuerst <sebastian@typo3.org>
  33  * @author      Stefan Galinski <stefan.galinski@gmail.com>
  34  * @package     TYPO3
  35  */
  36 class t3lib_extjs_ExtDirectRouter {
  37         /**
  38          * Dispatches the incoming calls to methods about the ExtDirect API.
  39          *
  40          * @param aray $ajaxParams ajax parameters
  41          * @param TYPO3AJAX $ajaxObj typo3ajax instance
  42          * @return void
  43          */
  44         public function route($ajaxParams, TYPO3AJAX $ajaxObj) {
  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                 $response = array();
  51                 $request = NULL;
  52
  53                 if (!empty($postParameters['extAction'])) {
  54                         $isForm = TRUE;
  55                         $isUpload = $postParameters['extUpload'] === 'true';
  56
  57                         $request = new stdClass;
  58                         $request->action = $postParameters['extAction'];
  59                         $request->method = $postParameters['extMethod'];
  60                         $request->tid = $postParameters['extTID'];
  61                         $request->data = array($_POST + $_FILES);
  62                 } elseif (!empty($rawPostData)) {
  63                         $request = json_decode($rawPostData);
  64                 } else {
  65                         $response[] = array(
  66                                 'type' => 'exception',
  67                                 'message' => 'Something went wrong with an ExtDirect call!'
  68                         );
  69                 }
  70
  71                 if (!is_array($request)) {
  72                         $request = array($request);
  73                 }
  74
  75                 foreach ($request as $index => $singleRequest) {
  76                         $response[$index] = array(
  77                                 'tid' => $singleRequest->tid,
  78                                 'action' => $singleRequest->action,
  79                                 'method' => $singleRequest->method
  80                         );
  81
  82                         try {
  83                                 $response[$index]['type'] = 'rpc';
  84                                 $response[$index]['result'] = $this->processRpc($singleRequest, $namespace);
  85                                 $response[$index]['debug'] = t3lib_extjs_ExtDirectDebug::toString();
  86
  87                         } catch (Exception $exception) {
  88                                 $response[$index]['type'] = 'exception';
  89                                 $response[$index]['message'] = $exception->getMessage();
  90                                 $response[$index]['where'] = $exception->getTraceAsString();
  91                         }
  92                 }
  93
  94                 if ($isForm && $isUpload) {
  95                         $ajaxObj->setContentFormat('plain');
  96                         $response = json_encode($response);
  97                         $response = preg_replace('/&quot;/', '\\&quot;', $response);
  98
  99                         $response = array(
 100                                 '<html><body><textarea>' .
 101                                 $response .
 102                                 '</textarea></body></html>'
 103                         );
 104                 } else {
 105                         $ajaxObj->setContentFormat('jsonbody');
 106                 }
 107
 108                 $ajaxObj->setContent($response);
 109         }
 110
 111
 112         /**
 113          * Processes an incoming extDirect call by executing the defined method. The configuration
 114          * array "$GLOBALS['TYPO3_CONF_VARS']['BE']['ExtDirect']" is taken to find the class/method
 115          * information.
 116          *
 117          * @param object $singleRequest request object from extJS
 118          * @param string $namespace namespace like TYPO3.Backend
 119          * @throws t3lib_error_exception if the remote method couldn't be found
 120          * @return mixed return value of the called method
 121          */
 122         protected function processRpc($singleRequest, $namespace) {
 123                 $endpointName = $namespace . '.' . $singleRequest->action;
 124
 125                         // theoretically this can never happen, because of an javascript error on
 126                         // the client side due the missing namespace/endpoint
 127                 if (!isset($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['ExtDirect'][$endpointName])) {
 128                         throw new t3lib_error_Exception('ExtDirect: Call to undefined endpoint: ' . $endpointName);
 129                 }
 130
 131                 $endpointObject = t3lib_div::getUserObj(
 132                         $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['ExtDirect'][$endpointName],
 133                         FALSE
 134                 );
 135
 136                 return call_user_func_array(
 137                         array($endpointObject, $singleRequest->method),
 138                         is_array($singleRequest->data) ? $singleRequest->data : array()
 139                 );
 140         }
 141 }
 142
 143 if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_extjs_extdirectrouter.php'])     {
 144         include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_extjs_extdirectrouter.php']);
 145 }
 146
 147 ?>