typo3/backend.php

   1 <?php
   2 /***************************************************************
   3 *  Copyright notice
   4 *
   5 *  (c) 2007-2009 Ingo Renner <ingo@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 require_once('init.php');
  29 require_once('template.php');
  30 require_once('interfaces/interface.backend_toolbaritem.php');
  31
  32 require('classes/class.typo3logo.php');
  33 require('classes/class.modulemenu.php');
  34
  35         // core toolbar items
  36 require('classes/class.workspaceselector.php');
  37 require('classes/class.clearcachemenu.php');
  38 require('classes/class.shortcutmenu.php');
  39 require('classes/class.backendsearchmenu.php');
  40
  41 require_once('class.alt_menu_functions.inc');
  42 $GLOBALS['LANG']->includeLLFile('EXT:lang/locallang_misc.xml');
  43
  44
  45 /**
  46  * Class for rendering the TYPO3 backend version 4.2+
  47  *
  48  * @author      Ingo Renner <ingo@typo3.org>
  49  * @package TYPO3
  50  * @subpackage core
  51  */
  52 class TYPO3backend {
  53
  54         protected $content;
  55         protected $css;
  56         protected $cssFiles;
  57         protected $js;
  58         protected $jsFiles;
  59         protected $jsFilesAfterInline;
  60         protected $toolbarItems;
  61         private   $menuWidthDefault = 160; // intentionally private as nobody should modify defaults
  62         protected $menuWidth;
  63
  64         /**
  65          * Object for loading backend modules
  66          *
  67          * @var t3lib_loadModules
  68          */
  69         protected $moduleLoader;
  70
  71         /**
  72          * module menu generating object
  73          *
  74          * @var ModuleMenu
  75          */
  76         protected $moduleMenu;
  77
  78         /**
  79          * constructor
  80          *
  81          * @return      void
  82          */
  83         public function __construct() {
  84
  85                         // Initializes the backend modules structure for use later.
  86                 $this->moduleLoader = t3lib_div::makeInstance('t3lib_loadModules');
  87                 $this->moduleLoader->load($GLOBALS['TBE_MODULES']);
  88
  89                 $this->moduleMenu = t3lib_div::makeInstance('ModuleMenu');
  90
  91                         // add default BE javascript
  92                 $this->js      = '';
  93                 $this->jsFiles = array(
  94                         'contrib/swfupload/swfupload.js',
  95                         'contrib/swfupload/plugins/swfupload.swfobject.js',
  96                         'contrib/swfupload/plugins/swfupload.cookies.js',
  97                         'contrib/swfupload/plugins/swfupload.queue.js',
  98                         'md5.js',
  99                         'js/common.js',
 100                         'js/sizemanager.js',
 101                         'js/toolbarmanager.js',
 102                         'js/modulemenu.js',
 103                         'js/iecompatibility.js',
 104                         'js/flashupload.js',
 105                         '../t3lib/jsfunc.evalfield.js'
 106                 );
 107                 $this->jsFilesAfterInline = array(
 108                         'js/backend.js',
 109                                 'js/loginrefresh.js',
 110                 );
 111                         // add default BE css
 112                 $this->css      = '';
 113                 $this->cssFiles = array(
 114                         'backend-scaffolding' => 'css/backend-scaffolding.css',
 115                         'backend-style'       => 'css/backend-style.css',
 116                         'modulemenu'          => 'css/modulemenu.css',
 117                 );
 118
 119                 $this->toolbarItems = array();
 120                 $this->initializeCoreToolbarItems();
 121
 122                 $this->menuWidth = $this->menuWidthDefault;
 123                 if (isset($GLOBALS['TBE_STYLES']['dims']['leftMenuFrameW']) && (int) $GLOBALS['TBE_STYLES']['dims']['leftMenuFrameW'] != (int) $this->menuWidth) {
 124                         $this->menuWidth = (int) $GLOBALS['TBE_STYLES']['dims']['leftMenuFrameW'];
 125                 }
 126         }
 127
 128         /**
 129          * initializes the core toolbar items
 130          *
 131          * @return      void
 132          */
 133         protected function initializeCoreToolbarItems() {
 134
 135                 $coreToolbarItems = array(
 136                         'workspaceSelector' => 'WorkspaceSelector',
 137                         'shortcuts'         => 'ShortcutMenu',
 138                         'clearCacheActions' => 'ClearCacheMenu',
 139                         'backendSearch'     => 'BackendSearchMenu'
 140                 );
 141
 142                 foreach($coreToolbarItems as $toolbarItemName => $toolbarItemClassName) {
 143                         $toolbarItem = t3lib_div::makeInstance($toolbarItemClassName, $this);
 144
 145                         if(!($toolbarItem instanceof backend_toolbarItem)) {
 146                                 throw new UnexpectedValueException('$toolbarItem "'.$toolbarItemName.'" must implement interface backend_toolbarItem', 1195126772);
 147                         }
 148
 149                         if($toolbarItem->checkAccess()) {
 150                                 $this->toolbarItems[$toolbarItemName] = $toolbarItem;
 151                         } else {
 152                                 unset($toolbarItem);
 153                         }
 154                 }
 155         }
 156
 157         /**
 158          * main function generating the BE scaffolding
 159          *
 160          * @return      void
 161          */
 162         public function render()        {
 163
 164                         // prepare the scaffolding, at this point extension may still add javascript and css
 165                 $logo         = t3lib_div::makeInstance('TYPO3Logo');
 166                 $logo->setLogo('gfx/typo3logo_mini.png');
 167
 168                 $menu         = $this->moduleMenu->render();
 169
 170                 if ($this->menuWidth != $this->menuWidthDefault) {
 171                         $this->css .= '
 172                                 #typo3-logo,
 173                                 #typo3-side-menu {
 174                                         width: ' . ($this->menuWidth - 1) . 'px;
 175                                 }
 176
 177                                 #typo3-top,
 178                                 #typo3-content {
 179                                         margin-left: ' . $this->menuWidth . 'px;
 180                                 }
 181                         ';
 182                 }
 183
 184                         // create backend scaffolding
 185                 $backendScaffolding = '
 186         <div id="typo3-backend">
 187                 <div id="typo3-top-container">
 188                         <div id="typo3-logo">'.$logo->render().'</div>
 189                         <div id="typo3-top" class="typo3-top-toolbar">'
 190                                 .$this->renderToolbar()
 191                         .'</div>
 192                 </div>
 193                 <div id="typo3-main-container">
 194                         <div id="typo3-side-menu">
 195                                 '.$menu.'
 196                         </div>
 197                         <div id="typo3-content">
 198                                 <iframe src="alt_intro.php" name="content" id="content" marginwidth="0" marginheight="0" frameborder="0" scrolling="auto"></iframe>
 199                         </div>
 200                 </div>
 201         </div>
 202 ';
 203
 204                 /******************************************************
 205                  * now put the complete backend document together
 206                  ******************************************************/
 207
 208                 /** @var $pageRenderer t3lib_PageRenderer */
 209                 $pageRenderer = $GLOBALS['TBE_TEMPLATE']->getPageRenderer();
 210                 $pageRenderer->loadScriptaculous('builder,effects,controls,dragdrop');
 211                 $pageRenderer->loadExtJS();
 212
 213                         // remove duplicate entries
 214                 $this->jsFiles = array_unique($this->jsFiles);
 215
 216                         // add javascript
 217                 foreach($this->jsFiles as $jsFile) {
 218                         $GLOBALS['TBE_TEMPLATE']->loadJavascriptLib($jsFile);
 219                 }
 220                 $GLOBALS['TBE_TEMPLATE']->JScode .= chr(10);
 221                 $this->generateJavascript();
 222                 $GLOBALS['TBE_TEMPLATE']->JScode .= $GLOBALS['TBE_TEMPLATE']->wrapScriptTags($this->js) . chr(10);
 223
 224                 foreach($this->jsFilesAfterInline as $jsFile) {
 225                         $GLOBALS['TBE_TEMPLATE']->JScode .= '
 226                         <script type="text/javascript" src="' . $jsFile . '"></script>';
 227                 }
 228
 229
 230                         // FIXME abusing the JS container to add CSS, need to fix template.php
 231                 foreach($this->cssFiles as $cssFileName => $cssFile) {
 232                         $GLOBALS['TBE_TEMPLATE']->addStyleSheet($cssFileName, $cssFile);
 233
 234                                 // load addditional css files to overwrite existing core styles
 235                         if(!empty($GLOBALS['TBE_STYLES']['stylesheets'][$cssFileName])) {
 236                                 $GLOBALS['TBE_TEMPLATE']->addStyleSheet($cssFileName . 'TBE_STYLES', $GLOBALS['TBE_STYLES']['stylesheets'][$cssFileName]);
 237                         }
 238                 }
 239
 240                 if(!empty($this->css)) {
 241                         $GLOBALS['TBE_TEMPLATE']->inDocStylesArray['backend.php'] = $this->css;
 242                 }
 243
 244                         // set document title:
 245                 $title = ($GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename']
 246                         ? $GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename'].' [TYPO3 '.TYPO3_version.']'
 247                         : 'TYPO3 '.TYPO3_version
 248                 );
 249
 250                         // start page header:
 251                 $this->content .= $GLOBALS['TBE_TEMPLATE']->startPage($title);
 252                 $this->content .= $backendScaffolding;
 253                 $this->content .= $GLOBALS['TBE_TEMPLATE']->endPage();
 254
 255                 echo $this->content;
 256         }
 257
 258         /**
 259          * renders the items in the top toolbar
 260          *
 261          * @return      string  top toolbar elements as HTML
 262          */
 263         protected function renderToolbar() {
 264
 265                         // move search to last position
 266                 $search = $this->toolbarItems['backendSearch'];
 267                 unset($this->toolbarItems['backendSearch']);
 268                 $this->toolbarItems['backendSearch'] = $search;
 269
 270                 $toolbar = '<ul id="typo3-toolbar">';
 271                 $toolbar.= '<li>'.$this->getLoggedInUserLabel().'</li>
 272                                         <li><div id="logout-button" class="toolbar-item no-separator">'.$this->moduleMenu->renderLogoutButton().'</div></li>';
 273
 274                 foreach($this->toolbarItems as $toolbarItem) {
 275                         $menu = $toolbarItem->render();
 276                         if ($menu) {
 277                                 $additionalAttributes = $toolbarItem->getAdditionalAttributes();
 278                                 $toolbar .= '<li' . $additionalAttributes . '>' .$menu. '</li>';
 279                         }
 280                 }
 281
 282                 return $toolbar.'</ul>';
 283         }
 284
 285         /**
 286          * Gets the label of the BE user currently logged in
 287          *
 288          * @return      string          html code snippet displaying the currently logged in user
 289          */
 290         protected function getLoggedInUserLabel() {
 291                 global $BE_USER, $BACK_PATH;
 292
 293                 $icon = '<img'.t3lib_iconWorks::skinImg(
 294                         '',
 295                         $BE_USER->isAdmin() ?
 296                                 'gfx/i/be_users_admin.gif' :
 297                                 'gfx/i/be_users.gif',
 298                         'width="18" height="16"'
 299                 )
 300                 .' title="" alt="" />';
 301
 302                 $label = $GLOBALS['BE_USER']->user['realName'] ?
 303                         $BE_USER->user['realName'].' ['.$BE_USER->user['username'].']' :
 304                         $BE_USER->user['username'];
 305
 306                         // Link to user setup if it's loaded and user has access
 307                 $link = '';
 308                 if (t3lib_extMgm::isLoaded('setup') && $BE_USER->check('modules','user_setup')) {
 309                         $link = '<a href="#" onclick="top.goToModule(\'user_setup\');this.blur();return false;">';
 310                 }
 311
 312                 $username = '">'.$link.$icon.'<span>'.htmlspecialchars($label).'</span>'.($link?'</a>':'');
 313
 314                         // superuser mode
 315                 if($BE_USER->user['ses_backuserid']) {
 316                         $username   = ' su-user">'.$icon.
 317                         '<span title="' . $GLOBALS['LANG']->getLL('switchtouser') . '">' .
 318                         $GLOBALS['LANG']->getLL('switchtousershort') . ' </span>' .
 319                         '<span>' . htmlspecialchars($label) . '</span>';
 320                 }
 321
 322                 return '<div id="username" class="toolbar-item no-separator'.$username.'</div>';
 323         }
 324
 325         /**
 326          * Generates the JavaScript code for the backend.
 327          *
 328          * @return      void
 329          */
 330         protected function generateJavascript() {
 331
 332                 $pathTYPO3          = t3lib_div::dirname(t3lib_div::getIndpEnv('SCRIPT_NAME')).'/';
 333                 $goToModuleSwitch   = $this->moduleMenu->getGotoModuleJavascript();
 334                 $moduleFramesHelper = implode(chr(10), $this->moduleMenu->getFsMod());
 335
 336                         // If another page module was specified, replace the default Page module with the new one
 337                 $newPageModule = trim($GLOBALS['BE_USER']->getTSConfigVal('options.overridePageModule'));
 338                 $pageModule    = t3lib_BEfunc::isModuleSetInTBE_MODULES($newPageModule) ? $newPageModule : 'web_layout';
 339
 340                 $menuFrameName = 'menu';
 341                 if($GLOBALS['BE_USER']->uc['noMenuMode'] === 'icons') {
 342                         $menuFrameName = 'topmenuFrame';
 343                 }
 344
 345                 // create challenge for the (re)login form and save it in the session.
 346                 $challenge = md5(uniqid('').getmypid());
 347                 session_start();
 348                 $_SESSION['login_challenge'] = $challenge;
 349
 350                 // determine security level from conf vars and default to super challenged
 351                 if ($GLOBALS['TYPO3_CONF_VARS']['BE']['loginSecurityLevel']) {
 352                         $this->loginSecurityLevel = $GLOBALS['TYPO3_CONF_VARS']['BE']['loginSecurityLevel'];
 353                 } else {
 354                         $this->loginSecurityLevel = 'superchallenged';
 355                 }
 356
 357                 $this->js .= '
 358         Ext.BLANK_IMAGE_URL = "' .
 359                                 // t3lib_div::locationHeaderUrl() will include '/typo3/' in the URL
 360                                 htmlspecialchars(t3lib_div::locationHeaderUrl('gfx/clear.gif')) .
 361                                 '";
 362
 363
 364         TYPO3.configuration = ' . json_encode(array(
 365                 'siteUrl' => t3lib_div::getIndpEnv('TYPO3_SITE_URL'),
 366                 'PATH_typo3' => $pathTYPO3,
 367                 'PATH_typo3_enc' => rawurlencode($pathTYPO3),
 368                 'username' => htmlspecialchars($GLOBALS['BE_USER']->user['username']),
 369                 'uniqueID' => t3lib_div::shortMD5(uniqid('')),
 370                 'securityLevel' => $this->loginSecurityLevel,
 371                 'challenge' => $challenge,
 372                 'TYPO3_mainDir' => TYPO3_mainDir,
 373                 'pageModule' => $pageModule,
 374                 'condensedMode' => $GLOBALS['BE_USER']->uc['condensedMode'] ? 1 : 0 ,
 375                 'workspaceFrontendPreviewEnabled' => (($GLOBALS['BE_USER']->workspace != 0 && !$GLOBALS['BE_USER']->user['workspace_preview']) ? 'false' : 'true'),
 376                 'veriCode' => $GLOBALS['BE_USER']->veriCode(),
 377                 'denyFileTypes' => PHP_EXTENSIONS_DEFAULT,
 378         )) . ';
 379         TYPO3.LLL = {
 380                         core : ' . json_encode(array(
 381                 'waitTitle' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_login_logging_in') ,
 382                 'refresh_login_failed' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_login_failed'),
 383                 'refresh_login_failed_message' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_login_failed_message'),
 384                 'refresh_login_title' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_login_title'),
 385                 'login_expired' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.login_expired'),
 386                 'refresh_login_username' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_login_username'),
 387                 'refresh_login_password' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_login_password'),
 388                 'refresh_login_button' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_login_button'),
 389                 'refresh_logout_button' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_logout_button'),
 390                 'please_wait' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.please_wait'),
 391                 'be_locked' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.be_locked'),
 392                 'refresh_login_countdown_singular' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_login_countdown_singular'),
 393                 'refresh_login_countdown' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_login_countdown'),
 394                 'login_about_to_expire' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.login_about_to_expire'),
 395                 'login_about_to_expire_title' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.login_about_to_expire_title'),
 396                 'refresh_login_refresh_button' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_login_refresh_button'),
 397                 'refresh_direct_logout_button' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_direct_logout_button'),
 398         )) . ',
 399                 fileUpload: ' . json_encode(array(
 400                         'windowTitle' => $GLOBALS['LANG']->getLL('fileUpload_windowTitle'),
 401                         'buttonSelectFiles' => $GLOBALS['LANG']->getLL('fileUpload_buttonSelectFiles'),
 402                         'buttonCancelAll' => $GLOBALS['LANG']->getLL('fileUpload_buttonCancelAll'),
 403                         'infoComponentMaxFileSize' => $GLOBALS['LANG']->getLL('fileUpload_infoComponentMaxFileSize'),
 404                         'infoComponentFileUploadLimit' => $GLOBALS['LANG']->getLL('fileUpload_infoComponentFileUploadLimit'),
 405                         'infoComponentFileTypeLimit' => $GLOBALS['LANG']->getLL('fileUpload_infoComponentFileTypeLimit'),
 406                         'infoComponentOverrideFiles' => $GLOBALS['LANG']->getLL('fileUpload_infoComponentOverrideFiles'),
 407                         'processRunning' => $GLOBALS['LANG']->getLL('fileUpload_processRunning'),
 408                         'uploadWait' => $GLOBALS['LANG']->getLL('fileUpload_uploadWait'),
 409                         'uploadStarting' => $GLOBALS['LANG']->getLL('fileUpload_uploadStarting'),
 410                         'uploadProgress' => $GLOBALS['LANG']->getLL('fileUpload_uploadProgress'),
 411                         'uploadSuccess' => $GLOBALS['LANG']->getLL('fileUpload_uploadSuccess'),
 412                         'errorQueueLimitExceeded' => $GLOBALS['LANG']->getLL('fileUpload_errorQueueLimitExceeded'),
 413                         'errorQueueFileSizeLimit' => $GLOBALS['LANG']->getLL('fileUpload_errorQueueFileSizeLimit'),
 414                         'errorQueueZeroByteFile' =>  $GLOBALS['LANG']->getLL('fileUpload_errorQueueZeroByteFile'),
 415                         'errorQueueInvalidFiletype' => $GLOBALS['LANG']->getLL('fileUpload_errorQueueInvalidFiletype'),
 416                         'errorUploadHttp' => $GLOBALS['LANG']->getLL('fileUpload_errorUploadHttp'),
 417                         'errorUploadMissingUrl' => $GLOBALS['LANG']->getLL('fileUpload_errorUploadMissingUrl'),
 418                         'errorUploadIO' => $GLOBALS['LANG']->getLL('fileUpload_errorUploadIO'),
 419                         'errorUploadSecurityError' => $GLOBALS['LANG']->getLL('fileUpload_errorUploadSecurityError'),
 420                         'errorUploadLimit' => $GLOBALS['LANG']->getLL('fileUpload_errorUploadLimit'),
 421                         'errorUploadFailed' => $GLOBALS['LANG']->getLL('fileUpload_errorUploadFailed'),
 422                         'errorUploadFileIDNotFound' => $GLOBALS['LANG']->getLL('fileUpload_errorUploadFileIDNotFound'),
 423                         'errorUploadFileValidation' => $GLOBALS['LANG']->getLL('fileUpload_errorUploadFileValidation'),
 424                         'errorUploadFileCancelled' => $GLOBALS['LANG']->getLL('fileUpload_errorUploadFileCancelled'),
 425                         'errorUploadStopped' => $GLOBALS['LANG']->getLL('fileUpload_errorUploadStopped'),
 426                 )) . '};
 427
 428         /**
 429          * TypoSetup object.
 430          */
 431         function typoSetup()    {       //
 432                 this.PATH_typo3 = TYPO3.configuration.PATH_typo3;
 433                 this.PATH_typo3_enc = TYPO3.configuration.PATH_typo3_enc;
 434                 this.username = TYPO3.configuration.username;
 435                 this.uniqueID = TYPO3.configuration.uniqueID;
 436                 this.navFrameWidth = 0;
 437                 this.securityLevel = TYPO3.configuration.securityLevel;
 438                 this.veriCode = TYPO3.configuration.veriCode;
 439                 this.denyFileTypes = TYPO3.configuration.denyFileTypes;
 440         }
 441         var TS = new typoSetup();
 442
 443         var currentModuleLoaded = "";
 444         var goToModule = ' . $goToModuleSwitch . ';
 445
 446         /**
 447          * Frameset Module object
 448          *
 449          * Used in main modules with a frameset for submodules to keep the ID between modules
 450          * Typically that is set by something like this in a Web>* sub module:
 451          *              if (top.fsMod) top.fsMod.recentIds["web"] = "\'.intval($this->id).\'";
 452          *              if (top.fsMod) top.fsMod.recentIds["file"] = "...(file reference/string)...";
 453          */
 454         function fsModules()    {       //
 455                 this.recentIds=new Array();                                     // used by frameset modules to track the most recent used id for list frame.
 456                 this.navFrameHighlightedID=new Array();         // used by navigation frames to track which row id was highlighted last time
 457                 this.currentMainLoaded="";
 458                 this.currentBank="0";
 459         }
 460         var fsMod = new fsModules();' . $moduleFramesHelper . ';';
 461
 462
 463
 464                         // Check editing of page:
 465                 $this->handlePageEditing();
 466                 $this->setStartupModule();
 467         }
 468
 469         /**
 470          * Checking if the "&edit" variable was sent so we can open it for editing the page.
 471          * Code based on code from "alt_shortcut.php"
 472          *
 473          * @return      void
 474          */
 475         protected function handlePageEditing()  {
 476
 477                 if(!t3lib_extMgm::isLoaded('cms'))      {
 478                         return;
 479                 }
 480
 481                         // EDIT page:
 482                 $editId     = preg_replace('/[^[:alnum:]_]/', '', t3lib_div::_GET('edit'));
 483                 $editRecord = '';
 484
 485                 if($editId)     {
 486
 487                                 // Looking up the page to edit, checking permissions:
 488                         $where = ' AND ('.$GLOBALS['BE_USER']->getPagePermsClause(2)
 489                                         .' OR '.$GLOBALS['BE_USER']->getPagePermsClause(16).')';
 490
 491                         if(t3lib_div::testInt($editId)) {
 492                                 $editRecord = t3lib_BEfunc::getRecordWSOL('pages', $editId, '*', $where);
 493                         } else {
 494                                 $records = t3lib_BEfunc::getRecordsByField('pages', 'alias', $editId, $where);
 495
 496                                 if(is_array($records))  {
 497                                         reset($records);
 498                                         $editRecord = current($records);
 499                                         t3lib_BEfunc::workspaceOL('pages', $editRecord);
 500                                 }
 501                         }
 502
 503                                 // If the page was accessible, then let the user edit it.
 504                         if(is_array($editRecord) && $GLOBALS['BE_USER']->isInWebMount($editRecord['uid']))      {
 505                                         // Setting JS code to open editing:
 506                                 $this->js .= '
 507                 // Load page to edit:
 508         window.setTimeout("top.loadEditId('.intval($editRecord['uid']).');", 500);
 509                         ';
 510                                         // Checking page edit parameter:
 511                                 if(!$GLOBALS['BE_USER']->getTSConfigVal('options.shortcut_onEditId_dontSetPageTree')) {
 512
 513                                                 // Expanding page tree:
 514                                         t3lib_BEfunc::openPageTree(intval($editRecord['pid']), !$GLOBALS['BE_USER']->getTSConfigVal('options.shortcut_onEditId_keepExistingExpanded'));
 515                                 }
 516                         } else {
 517                                 $this->js .= '
 518                 // Warning about page editing:
 519         alert('.$GLOBALS['LANG']->JScharCode(sprintf($GLOBALS['LANG']->getLL('noEditPage'), $editId)).');
 520                         ';
 521                         }
 522                 }
 523         }
 524
 525         /**
 526          * Sets the startup module from either GETvars module and mpdParams or user configuration.
 527          *
 528          * @return      void
 529          */
 530         protected function setStartupModule() {
 531                 $startModule = preg_replace('/[^[:alnum:]_]/', '', t3lib_div::_GET('module'));
 532
 533                 if(!$startModule)       {
 534                         if ($GLOBALS['BE_USER']->uc['startModule'])     {
 535                                 $startModule = $GLOBALS['BE_USER']->uc['startModule'];
 536                         } else if($GLOBALS['BE_USER']->uc['startInTaskCenter']) {
 537                                 $startModule = 'user_task';
 538                         }
 539                 }
 540
 541                 $moduleParameters = t3lib_div::_GET('modParams');
 542                 if($startModule) {
 543                         $this->js .= '
 544                         // start in module:
 545                 function startInModule(modName, cMR_flag, addGetVars)   {
 546                         Event.observe(document, \'dom:loaded\', function() {
 547                                 top.goToModule(modName, cMR_flag, addGetVars);
 548                         });
 549                 }
 550
 551                 startInModule(\''.$startModule.'\', false, \''.$moduleParameters.'\');
 552                         ';
 553                 }
 554         }
 555
 556         /**
 557          * generates the code for the TYPO3 logo, either the default TYPO3 logo or a custom one
 558          *
 559          * @return      string  HTML code snippet to display the TYPO3 logo
 560          */
 561         protected function getLogo() {
 562                 $logo = '<a href="http://www.typo3.com/" target="_blank" onclick="'.$GLOBALS['TBE_TEMPLATE']->thisBlur().'">'.
 563                                 '<img'.t3lib_iconWorks::skinImg('','gfx/alt_backend_logo.gif','width="117" height="32"').' title="TYPO3 Content Management Framework" alt="" />'.
 564                                 '</a>';
 565
 566                         // overwrite with custom logo
 567                 if($GLOBALS['TBE_STYLES']['logo'])      {
 568                         if(substr($GLOBALS['TBE_STYLES']['logo'], 0, 3) == '../')       {
 569                                 $imgInfo = @getimagesize(PATH_site.substr($GLOBALS['TBE_STYLES']['logo'], 3));
 570                         }
 571                         $logo = '<a href="http://www.typo3.com/" target="_blank" onclick="'.$GLOBALS['TBE_TEMPLATE']->thisBlur().'">'.
 572                                 '<img src="'.$GLOBALS['TBE_STYLES']['logo'].'" '.$imgInfo[3].' title="TYPO3 Content Management Framework" alt="" />'.
 573                                 '</a>';
 574                 }
 575
 576                 return $logo;
 577         }
 578
 579         /**
 580          * adds a javascript snippet to the backend
 581          *
 582          * @param       string  javascript snippet
 583          * @return      void
 584          */
 585         public function addJavascript($javascript) {
 586                         // TODO do we need more checks?
 587                 if(!is_string($javascript)) {
 588                         throw new InvalidArgumentException('parameter $javascript must be of type string', 1195129553);
 589                 }
 590
 591                 $this->js .= $javascript;
 592         }
 593
 594         /**
 595          * adds a javscript file to the backend after it has been checked that it exists
 596          *
 597          * @param       string  javascript file reference
 598          * @return      boolean true if the javascript file was successfully added, false otherwise
 599          */
 600         public function addJavascriptFile($javascriptFile) {
 601                 $jsFileAdded = false;
 602
 603                         //TODO add more checks if neccessary
 604                 if(file_exists(t3lib_div::resolveBackPath(PATH_typo3.$javascriptFile))) {
 605                         $this->jsFiles[] = $javascriptFile;
 606                         $jsFileAdded     = true;
 607                 }
 608
 609                 return $jsFileAdded;
 610         }
 611
 612         /**
 613          * adds a css snippet to the backend
 614          *
 615          * @param       string  css snippet
 616          * @return      void
 617          */
 618         public function addCss($css) {
 619                 if(!is_string($css)) {
 620                         throw new InvalidArgumentException('parameter $css must be of type string', 1195129642);
 621                 }
 622
 623                 $this->css .= $css;
 624         }
 625
 626         /**
 627          * adds a css file to the backend after it has been checked that it exists
 628          *
 629          * @param       string  the css file's name with out the .css ending
 630          * @param       string  css file reference
 631          * @return      boolean true if the css file was added, false otherwise
 632          */
 633         public function addCssFile($cssFileName, $cssFile) {
 634                 $cssFileAdded = false;
 635
 636                         //TODO add more checks if neccessary
 637                 if(file_exists(t3lib_div::resolveBackPath(PATH_typo3.$cssFile))) {
 638                                 // prevent overwriting existing css files
 639                         if(empty($this->cssFiles[$cssFileName])) {
 640                                 $this->cssFiles[$cssFileName] = $cssFile;
 641                                 $cssFileAdded = true;
 642                         }
 643                 }
 644
 645                 return $cssFileAdded;
 646         }
 647
 648         /**
 649          * adds an item to the toolbar, the class file for the toolbar item must be loaded at this point
 650          *
 651          * @param       string  toolbar item name, f.e. tx_toolbarExtension_coolItem
 652          * @param       string  toolbar item class name, f.e. tx_toolbarExtension_coolItem
 653          * @return      void
 654          */
 655         public function addToolbarItem($toolbarItemName, $toolbarItemClassName) {
 656                 $toolbarItem = t3lib_div::makeInstance($toolbarItemClassName, $this);
 657
 658                 if(!($toolbarItem instanceof backend_toolbarItem)) {
 659                         throw new UnexpectedValueException('$toolbarItem "'.$toolbarItemName.'" must implement interface backend_toolbarItem', 1195125501);
 660                 }
 661
 662                 if($toolbarItem->checkAccess()) {
 663                         $this->toolbarItems[$toolbarItemName] = $toolbarItem;
 664                 } else {
 665                         unset($toolbarItem);
 666                 }
 667         }
 668 }
 669
 670
 671         // include XCLASS
 672 if(defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['typo3/backend.php']) {
 673         include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['typo3/backend.php']);
 674 }
 675
 676
 677         // document generation
 678 $TYPO3backend = t3lib_div::makeInstance('TYPO3backend');
 679
 680         // include extensions which may add css, javascript or toolbar items
 681 if(is_array($GLOBALS['TYPO3_CONF_VARS']['typo3/backend.php']['additionalBackendItems'])) {
 682         foreach($GLOBALS['TYPO3_CONF_VARS']['typo3/backend.php']['additionalBackendItems'] as $additionalBackendItem) {
 683                 include_once($additionalBackendItem);
 684         }
 685 }
 686
 687 $TYPO3backend->render();
 688
 689 ?>