typo3/index.php

   1 <?php
   2 /***************************************************************
   3 *  Copyright notice
   4 *
   5 *  (c) 1999-2009 Kasper Skaarhoj (kasperYYYY@typo3.com)
   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  * Login-screen of TYPO3.
  29  *
  30  * $Id$
  31  * Revised for TYPO3 3.6 December/2003 by Kasper Skaarhoj
  32  * XHTML compliant
  33  *
  34  * @author      Kasper Skaarhoj <kasperYYYY@typo3.com>
  35  */
  36 /**
  37  * [CLASS/FUNCTION INDEX of SCRIPT]
  38  *
  39  *
  40  *
  41  *   87: class SC_index
  42  *  120:     function init()
  43  *  159:     function main()
  44  *  268:     function printContent()
  45  *
  46  *              SECTION: Various functions
  47  *  292:     function makeLoginForm()
  48  *  337:     function makeLogoutForm()
  49  *  379:     function wrapLoginForm($content)
  50  *  438:     function checkRedirect()
  51  *  495:     function makeInterfaceSelectorBox()
  52  *  549:     function makeCopyrightNotice()
  53  *  582:     function makeLoginBoxImage()
  54  *  622:     function makeLoginNews()
  55  *
  56  * TOTAL FUNCTIONS: 11
  57  * (This index is automatically created/updated by the extension "extdeveval")
  58  *
  59  */
  60
  61
  62 define('TYPO3_PROCEED_IF_NO_USER', 1);
  63 require('init.php');
  64 require('template.php');
  65
  66
  67
  68
  69
  70
  71
  72
  73
  74
  75
  76
  77
  78
  79
  80 /**
  81  * Script Class for rendering the login form
  82  *
  83  * @author      Kasper Skaarhoj <kasperYYYY@typo3.com>
  84  * @package TYPO3
  85  * @subpackage core
  86  */
  87 class SC_index {
  88
  89                 // Internal, GPvars:
  90         var $redirect_url;                      // GPvar: redirect_url; The URL to redirect to after login.
  91         var $GPinterface;                       // GPvar: Defines which interface to load (from interface selector)
  92         var $u;                                 // GPvar: preset username
  93         var $p;                                 // GPvar: preset password
  94         var $L;                                 // GPvar: If "L" is "OUT", then any logged in used is logged out. If redirect_url is given, we redirect to it
  95         var $loginRefresh;                      // Login-refresh boolean; The backend will call this script with this value set when the login is close to being expired and the form needs to be redrawn.
  96         var $commandLI;                         // Value of forms submit button for login.
  97
  98                 // Internal, static:
  99         var $redirectToURL;                     // Set to the redirect URL of the form (may be redirect_url or "backend.php")
 100
 101                 // Internal, dynamic:
 102         var $content;                           // Content accumulation
 103
 104         var $interfaceSelector;                 // A selector box for selecting value for "interface" may be rendered into this variable
 105         var $interfaceSelector_jump;    // A selector box for selecting value for "interface" may be rendered into this variable - this will have an onchange action which will redirect the user to the selected interface right away
 106         var $interfaceSelector_hidden;  // A hidden field, if the interface is not set.
 107         var $addFields_hidden = '';             // Additional hidden fields to be placed at the login form
 108
 109                 // sets the level of security. *'normal' = clear-text. 'challenged' = hashed password/username from form in $formfield_uident. 'superchallenged' = hashed password hashed again with username.
 110         var $loginSecurityLevel = 'superchallenged';
 111
 112
 113
 114
 115         /**
 116          * Initialize the login box. Will also react on a &L=OUT flag and exit.
 117          *
 118          * @return      void
 119          */
 120         function init() {
 121                         // We need a PHP session session for most login levels
 122                 session_start();
 123
 124                 $this->redirect_url = t3lib_div::_GP('redirect_url');
 125                 $this->GPinterface = t3lib_div::_GP('interface');
 126
 127                         // Grabbing preset username and password, for security reasons this feature only works if SSL is used
 128                 if (t3lib_div::getIndpEnv('TYPO3_SSL')) {
 129                         $this->u = t3lib_div::_GP('u');
 130                         $this->p = t3lib_div::_GP('p');
 131                 }
 132
 133                         // If "L" is "OUT", then any logged in is logged out. If redirect_url is given, we redirect to it
 134                 $this->L = t3lib_div::_GP('L');
 135
 136                         // Login
 137                 $this->loginRefresh = t3lib_div::_GP('loginRefresh');
 138
 139                         // Value of "Login" button. If set, the login button was pressed.
 140                 $this->commandLI = t3lib_div::_GP('commandLI');
 141
 142                         // sets the level of security from conf vars
 143                 if ($GLOBALS['TYPO3_CONF_VARS']['BE']['loginSecurityLevel']) {
 144                         $this->loginSecurityLevel = $GLOBALS['TYPO3_CONF_VARS']['BE']['loginSecurityLevel'];
 145                 }
 146
 147                         // try to get the preferred browser language
 148                 $preferredBrowserLanguage = $GLOBALS['LANG']->csConvObj->getPreferredClientLanguage(t3lib_div::getIndpEnv('HTTP_ACCEPT_LANGUAGE'));
 149                         // if we found a $preferredBrowserLanguage and it is not the default language and no be_user is logged in
 150                         // initialize $GLOBALS['LANG'] again with $preferredBrowserLanguage
 151                 if ($preferredBrowserLanguage != 'default' && !$GLOBALS['BE_USER']->user['uid']) {
 152                         $GLOBALS['LANG']->init($preferredBrowserLanguage);
 153                 }
 154                 $GLOBALS['LANG']->includeLLFile('EXT:lang/locallang_login.xml');
 155
 156                         // check if labels from $GLOBALS['TYPO3_CONF_VARS']['BE']['loginLabels'] were changed,
 157                         // and merge them to $GLOBALS['LOCAL_LANG'] if needed
 158                 $this->mergeOldLoginLabels();
 159
 160                         // Setting the redirect URL to "backend.php" if no alternative input is given
 161                 $this->redirectToURL = ($this->redirect_url ? $this->redirect_url : 'backend.php');
 162
 163
 164                         // Do a logout if the command is set
 165                 if ($this->L == 'OUT' && is_object($GLOBALS['BE_USER'])) {
 166                         $GLOBALS['BE_USER']->logoff();
 167                         if ($this->redirect_url) {
 168                                 t3lib_div::redirect($this->redirect_url);
 169                         }
 170                         exit;
 171                 }
 172         }
 173
 174
 175         /**
 176          * Main function - creating the login/logout form
 177          *
 178          * @return      void
 179          */
 180         function main() {
 181                 global $TBE_TEMPLATE, $TYPO3_CONF_VARS, $BE_USER;
 182
 183                         // Initialize template object:
 184                 $TBE_TEMPLATE->bodyTagAdditions = ' onload="startUp();"';
 185                 $TBE_TEMPLATE->moduleTemplate = $TBE_TEMPLATE->getHtmlTemplate('templates/login.html');
 186
 187                         // Set JavaScript for creating a MD5 hash of the password:
 188                 $TBE_TEMPLATE->JScode.= $this->getJScode();
 189
 190                         // Checking, if we should make a redirect.
 191                         // Might set JavaScript in the header to close window.
 192                 $this->checkRedirect();
 193
 194                         // Initialize interface selectors:
 195                 $this->makeInterfaceSelectorBox();
 196
 197                         // Creating form based on whether there is a login or not:
 198                 if (!$BE_USER->user['uid'])     {
 199                         $TBE_TEMPLATE->form = $this->startForm();
 200                         $loginForm = $this->makeLoginForm();
 201                 } else {
 202                         $TBE_TEMPLATE->form = '
 203                                 <form action="index.php" method="post" name="loginform">
 204                                 <input type="hidden" name="login_status" value="logout" />
 205                                 ';
 206                         $loginForm = $this->makeLogoutForm();
 207                 }
 208
 209                         // Starting page:
 210                 $this->content.=$TBE_TEMPLATE->startPage('TYPO3 Login: '.$TYPO3_CONF_VARS['SYS']['sitename']);
 211
 212                         // Add login form:
 213                 $this->content.=$this->wrapLoginForm($loginForm);
 214
 215                 $this->content.= $TBE_TEMPLATE->endPage();
 216         }
 217
 218         /**
 219          * Outputting the accumulated content to screen
 220          *
 221          * @return      void
 222          */
 223         function printContent() {
 224                 echo $this->content;
 225         }
 226
 227         /*****************************
 228          *
 229          * Various functions
 230          *
 231          ******************************/
 232
 233         /**
 234          * Creates the login form
 235          * This is drawn when NO login exists.
 236          *
 237          * @return      string          HTML output
 238          */
 239         function makeLoginForm()        {
 240                 $content = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###LOGIN_FORM###');
 241                 $markers = array(
 242                         'VALUE_USERNAME' => htmlspecialchars($this->u),
 243                         'VALUE_PASSWORD' => htmlspecialchars($this->p),
 244                         'VALUE_SUBMIT'   => $GLOBALS['LANG']->getLL('labels.submitLogin', true),
 245                 );
 246
 247                         // show an error message if the login command was successful already, otherwise remove the subpart
 248                 if (!$this->commandLI) {
 249                         $content = t3lib_parsehtml::substituteSubpart($content, '###LOGIN_ERROR###', '');
 250                 } else {
 251                         $markers['ERROR_MESSAGE'] = $GLOBALS['LANG']->getLL('error.login', true);
 252                 }
 253
 254
 255                         // remove the interface selector markers if it's not available
 256                 if (!($this->interfaceSelector && !$this->loginRefresh)) {
 257                         $content = t3lib_parsehtml::substituteSubpart($content, '###INTERFACE_SELECTOR###', '');
 258                 } else {
 259                         $markers['LABEL_INTERFACE'] = $GLOBALS['LANG']->getLL('labels.interface', true);
 260                         $markers['VALUE_INTERFACE'] = $this->interfaceSelector;
 261                 }
 262
 263                 return t3lib_parsehtml::substituteMarkerArray($content, $markers, '###|###');
 264         }
 265
 266
 267         /**
 268          * Creates the logout form
 269          * This is drawn if a user login already exists.
 270          *
 271          * @return      string          HTML output
 272          */
 273         function makeLogoutForm() {
 274                 $content = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###LOGOUT_FORM###');
 275                 $markers = array(
 276                         'LABEL_USERNAME' => $GLOBALS['LANG']->getLL('labels.username', true),
 277                         'VALUE_USERNAME' => htmlspecialchars($GLOBALS['BE_USER']->user['username']),
 278                         'VALUE_SUBMIT'   => $GLOBALS['LANG']->getLL('labels.submitLogout', true),
 279                 );
 280
 281                         // remove the interface selector markers if it's not available
 282                 if (!$this->interfaceSelector_jump) {
 283                         $content = t3lib_parsehtml::substituteSubpart($content, '###INTERFACE_SELECTOR###', '');
 284                 } else {
 285                         $markers['LABEL_INTERFACE'] = $GLOBALS['LANG']->getLL('labels.interface', true);
 286                         $markers['VALUE_INTERFACE'] = $this->interfaceSelector_jump;
 287                 }
 288
 289                 return t3lib_parsehtml::substituteMarkerArray($content, $markers, '###|###');
 290         }
 291
 292
 293         /**
 294          * Wrapping the login form table in another set of tables etc:
 295          *
 296          * @param       string          HTML content for the login form
 297          * @return      string          The HTML for the page.
 298          */
 299         function wrapLoginForm($content) {
 300                 $mainContent = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###PAGE###');
 301
 302                 if ($GLOBALS['TBE_STYLES']['logo_login']) {
 303                         $logo = '<img src="'.htmlspecialchars($GLOBALS['BACK_PATH'] . $GLOBALS['TBE_STYLES']['logo_login']) . '" alt="" />';
 304                 } else {
 305                         $logo = '<img'.t3lib_iconWorks::skinImg($GLOBALS['BACK_PATH'],'gfx/typo3logo.gif','width="123" height="34"').' alt="" />';
 306                 }
 307
 308                 $markers = array(
 309                         'LOGO'             => $logo,
 310                         'LOGINBOX_IMAGE'   => $this->makeLoginBoxImage(),
 311                         'FORM'             => $content,
 312                         'NEWS'             => $this->makeLoginNews(),
 313                         'COPYRIGHT'        => $this->makeCopyrightNotice(),
 314                         'CSS_ERRORCLASS'   => ($this->commandLI ? ' class="error"' : ''),
 315
 316                                 // the labels will be replaced later on, thus the other parts above
 317                                 // can use these markers as well and it will be replaced
 318                         'HEADLINE'         => $GLOBALS['LANG']->getLL('headline', true),
 319                         'INFO_ABOUT'       => $GLOBALS['LANG']->getLL('info.about', true),
 320                         'INFO_RELOAD'      => $GLOBALS['LANG']->getLL('info.reset', true),
 321                         'ERROR_JAVASCRIPT' => $GLOBALS['LANG']->getLL('error.javascript', true),
 322                         'ERROR_COOKIES'    => $GLOBALS['LANG']->getLL('error.cookies', true),
 323                         'ERROR_COOKIES_IGNORE' => $GLOBALS['LANG']->getLL('error.cookies_ignore', true),
 324                         'ERROR_CAPSLOCK'   => $GLOBALS['LANG']->getLL('error.capslock', true),
 325                         'LABEL_DONATELINK' => $GLOBALS['LANG']->getLL('labels.donate', true),
 326                         'LABEL_USERNAME'   => $GLOBALS['LANG']->getLL('labels.username', true),
 327                         'LABEL_PASSWORD'   => $GLOBALS['LANG']->getLL('labels.password', true),
 328                         'CLEAR'            => $GLOBALS['LANG']->getLL('clear', true),
 329                         'SITELINK'         => '<a href="/">###SITENAME###</a>',
 330
 331                                 // global variables will now be replaced (at last)
 332                         'SITENAME'         => $GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename']
 333                 );
 334                 return t3lib_parsehtml::substituteMarkerArray($mainContent, $markers, '###|###');
 335         }
 336
 337
 338         /**
 339          * Checking, if we should perform some sort of redirection OR closing of windows.
 340          *
 341          * @return      void
 342          */
 343         function checkRedirect()        {
 344                 global $BE_USER,$TBE_TEMPLATE;
 345
 346                         // Do redirect:
 347                         // If a user is logged in AND a) if either the login is just done (commandLI) or b) a loginRefresh is done or c) the interface-selector is NOT enabled (If it is on the other hand, it should not just load an interface, because people has to choose then...)
 348                 if ($BE_USER->user['uid'] && ($this->commandLI || $this->loginRefresh || !$this->interfaceSelector))    {
 349
 350                                 // If no cookie has been set previously we tell people that this is a problem. This assumes that a cookie-setting script (like this one) has been hit at least once prior to this instance.
 351                         if (!$_COOKIE[$BE_USER->name]) {
 352                                 if ($this->commandLI=='setCookie') {
 353                                                 // we tried it a second time but still no cookie
 354                                                 // 26/4 2005: This does not work anymore, because the saving of challenge values in $_SESSION means the system will act as if the password was wrong.
 355                                         t3lib_BEfunc::typo3PrintError ('Login-error',"Yeah, that's a classic. No cookies, no TYPO3.<br /><br />Please accept cookies from TYPO3 - otherwise you'll not be able to use the system.",0);
 356                                         exit;
 357                                 } else {
 358                                                 // try it once again - that might be needed for auto login
 359                                         $this->redirectToURL = 'index.php?commandLI=setCookie';
 360                                 }
 361                         }
 362
 363                         if (($redirectToURL = (string)$BE_USER->getTSConfigVal('auth.BE.redirectToURL'))) {
 364                                 $this->redirectToURL = $redirectToURL;
 365                                 $this->GPinterface = '';
 366                         }
 367
 368                                 // store interface
 369                         $BE_USER->uc['interfaceSetup'] = $this->GPinterface;
 370                         $BE_USER->writeUC();
 371
 372                                 // Based on specific setting of interface we set the redirect script:
 373                         switch ($this->GPinterface)     {
 374                                 case 'backend':
 375                                         $this->redirectToURL = 'backend.php';
 376                                 break;
 377                                 case 'backend_old':
 378                                         $this->redirectToURL = 'alt_main.php';
 379                                 break;
 380                                 case 'frontend':
 381                                         $this->redirectToURL = '../';
 382                                 break;
 383                         }
 384
 385                                 // If there is a redirect URL AND if loginRefresh is not set...
 386                         if (!$this->loginRefresh)       {
 387                                 t3lib_div::redirect($this->redirectToURL);
 388                         } else {
 389                                 $TBE_TEMPLATE->JScode.=$TBE_TEMPLATE->wrapScriptTags('
 390                                         if (parent.opener && (parent.opener.busy || parent.opener.TYPO3.loginRefresh)) {
 391                                                 if (parent.opener.TYPO3.loginRefresh) {
 392                                                         parent.opener.TYPO3.loginRefresh.startTimer();
 393                                                 } else {
 394                                                         parent.opener.busy.loginRefreshed();
 395                                                 }
 396                                                 parent.close();
 397                                         }
 398                                 ');
 399                         }
 400                 } elseif (!$BE_USER->user['uid'] && $this->commandLI) {
 401                         sleep(5);       // Wrong password, wait for 5 seconds
 402                 }
 403         }
 404
 405         /**
 406          * Making interface selector:
 407          *
 408          * @return      void
 409          */
 410         function makeInterfaceSelectorBox()     {
 411                 global $TYPO3_CONF_VARS;
 412
 413                         // Reset variables:
 414                 $this->interfaceSelector = '';
 415                 $this->interfaceSelector_hidden='';
 416                 $this->interfaceSelector_jump = '';
 417
 418                         // If interfaces are defined AND no input redirect URL in GET vars:
 419                 if ($TYPO3_CONF_VARS['BE']['interfaces'] && ($this->commandLI || !$this->redirect_url)) {
 420                         $parts = t3lib_div::trimExplode(',',$TYPO3_CONF_VARS['BE']['interfaces']);
 421                         if (count($parts)>1)    {       // Only if more than one interface is defined will we show the selector:
 422
 423                                         // Initialize:
 424                                 $tempLabels = t3lib_div::trimExplode(',', $GLOBALS['LANG']->getLL('availableInterfaces'));
 425                                 $labels=array();
 426
 427                                 $labels['backend']     = $tempLabels[0];
 428                                 $labels['backend_old'] = $tempLabels[2];
 429                                 $labels['frontend']    = $tempLabels[1];
 430
 431                                 $jumpScript=array();
 432                                 $jumpScript['backend']     = 'backend.php';
 433                                 $jumpScript['backend_old'] = 'alt_main.php';
 434                                 $jumpScript['frontend']    = '../';
 435
 436                                         // Traverse the interface keys:
 437                                 foreach($parts as $valueStr)    {
 438                                         $this->interfaceSelector.='
 439                                                         <option value="'.htmlspecialchars($valueStr).'"'.(t3lib_div::_GP('interface')==htmlspecialchars($valueStr) ? ' selected="selected"' : '').'>'.htmlspecialchars($labels[$valueStr]).'</option>';
 440                                         $this->interfaceSelector_jump.='
 441                                                         <option value="'.htmlspecialchars($jumpScript[$valueStr]).'">'.htmlspecialchars($labels[$valueStr]).'</option>';
 442                                 }
 443                                 $this->interfaceSelector='
 444                                                 <select id="t3-interfaceselector" name="interface" class="c-interfaceselector" tabindex="3">'.$this->interfaceSelector.'
 445                                                 </select>';
 446                                 $this->interfaceSelector_jump='
 447                                                 <select id="t3-interfaceselector" name="interface" class="c-interfaceselector" tabindex="3" onchange="window.location.href=this.options[this.selectedIndex].value;">'.$this->interfaceSelector_jump.'
 448                                                 </select>';
 449
 450                         } else {        // If there is only ONE interface value set:
 451
 452                                 $this->interfaceSelector_hidden='<input type="hidden" name="interface" value="'.trim($TYPO3_CONF_VARS['BE']['interfaces']).'" />';
 453                         }
 454                 }
 455         }
 456
 457         /**
 458          * COPYRIGHT notice
 459          *
 460          * Warning:
 461          * DO NOT prevent this notice from being shown in ANY WAY.
 462          * According to the GPL license an interactive application must show such a notice on start-up ('If the program is interactive, make it output a short notice... ' - see GPL.txt)
 463          * Therefore preventing this notice from being properly shown is a violation of the license, regardless of whether you remove it or use a stylesheet to obstruct the display.
 464          *
 465          * @return      string          Text/Image (HTML) for copyright notice.
 466          */
 467         function makeCopyrightNotice()  {
 468
 469                         // Get values from TYPO3_CONF_VARS:
 470                 $loginCopyrightWarrantyProvider = strip_tags(trim($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightWarrantyProvider']));
 471                 $loginCopyrightWarrantyURL = strip_tags(trim($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightWarrantyURL']));
 472                 $loginImageSmall = (trim($GLOBALS['TBE_STYLES']['loginBoxImageSmall'])) ? trim($GLOBALS['TBE_STYLES']['loginBoxImageSmall']) : 'gfx/loginlogo_transp.gif';
 473
 474                         // Make warranty note:
 475                 if (strlen($loginCopyrightWarrantyProvider)>=2 && strlen($loginCopyrightWarrantyURL)>=10)       {
 476                         $warrantyNote = sprintf($GLOBALS['LANG']->getLL('warranty.by'), htmlspecialchars($loginCopyrightWarrantyProvider), '<a href="' . htmlspecialchars($loginCopyrightWarrantyURL) . '" target="_blank">', '</a>');
 477                 } else {
 478                         $warrantyNote = sprintf($GLOBALS['LANG']->getLL('no.warranty'), '<a href="http://typo3.com/1316.0.html" target="_blank">', '</a>');
 479                 }
 480
 481                         // Compile full copyright notice:
 482                 $copyrightNotice = '<a href="http://typo3.com/" target="_blank">'.
 483                                         '<img src="' . $loginImageSmall . '" alt="' . $GLOBALS['LANG']->getLL('typo3.logo') . '" align="left" />' .
 484                                         $GLOBALS['LANG']->getLL('typo3.cms') . ($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightShowVersion']?' ' . $GLOBALS['LANG']->getLL('version.short') . ' ' . htmlspecialchars($GLOBALS['TYPO_VERSION']):'') .
 485                                         '</a>. ' .
 486                                         $GLOBALS['LANG']->getLL('copyright') . ' &copy; ' . TYPO3_copyright_year . ' Kasper Sk&#229;rh&#248;j. ' . $GLOBALS['LANG']->getLL('extension.copyright') . ' ' .
 487                                         sprintf($GLOBALS['LANG']->getLL('details.link'), '<a href="http://typo3.com/" target="_blank">http://typo3.com/</a>') . '<br /> ' .
 488                                         $warrantyNote . ' ' .
 489                                         sprintf($GLOBALS['LANG']->getLL('free.software'), '<a href="http://typo3.com/1316.0.html" target="_blank">', '</a> ') .
 490                                         $GLOBALS['LANG']->getLL('keep.notice');
 491
 492                         // Return notice:
 493                 return $copyrightNotice;
 494         }
 495
 496         /**
 497          * Returns the login box image, whether the default or an image from the rotation folder.
 498          *
 499          * @return      string          HTML image tag.
 500          */
 501         function makeLoginBoxImage()    {
 502                 $loginboxImage = '';
 503                 if ($GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder'])     {               // Look for rotation image folder:
 504                         $absPath = t3lib_div::resolveBackPath(PATH_typo3.$GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder']);
 505
 506                                 // Get rotation folder:
 507                         $dir = t3lib_div::getFileAbsFileName($absPath);
 508                         if ($dir && @is_dir($dir))      {
 509
 510                                         // Get files for rotation into array:
 511                                 $files = t3lib_div::getFilesInDir($dir,'png,jpg,gif');
 512
 513                                         // Pick random file:
 514                                 $randImg = array_rand($files, 1);
 515
 516                                         // Get size of random file:
 517                                 $imgSize = @getimagesize($dir.$files[$randImg]);
 518
 519                                 $imgAuthor = is_array($GLOBALS['TBE_STYLES']['loginBoxImage_author'])&&$GLOBALS['TBE_STYLES']['loginBoxImage_author'][$files[$randImg]] ? htmlspecialchars($GLOBALS['TBE_STYLES']['loginBoxImage_author'][$files[$randImg]]) : '';
 520
 521                                         // Create image tag:
 522                                 if (is_array($imgSize)) {
 523                                         $loginboxImage = '<img src="'.htmlspecialchars($GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder'].$files[$randImg]).'" '.$imgSize[3].' id="loginbox-image" alt="'.$imgAuthor.'" title="'.$imgAuthor.'" />';
 524                                 }
 525                         }
 526                 } else {        // If no rotation folder configured, print default image:
 527
 528                         if (strstr(TYPO3_version,'-dev'))       {       // development version
 529                                 $loginImage = 'loginbox_image_dev.png';
 530                                 $imagecopy = 'You are running a development version of TYPO3 '.TYPO3_branch;
 531                         } else {
 532                                 $loginImage = 'loginbox_image.jpg';
 533                                 $imagecopy = 'Photo by J.C. Franca (www.digitalphoto.com.br)';
 534                         }
 535                         $loginboxImage = '<img'.t3lib_iconWorks::skinImg($GLOBALS['BACK_PATH'],'gfx/'.$loginImage,'width="200" height="133"').' id="loginbox-image" alt="'.$imagecopy.'" title="'.$imagecopy.'" />';
 536                 }
 537
 538                         // Return image tag:
 539                 return $loginboxImage;
 540         }
 541
 542         /**
 543          * Make login news - renders the HTML content for a list of news shown under
 544          * the login form. News data is added through $TYPO3_CONF_VARS
 545          *
 546          * @return      string          HTML content
 547          * @credits                     Idea by Jan-Hendrik Heuing
 548          */
 549         function makeLoginNews() {
 550                 $newsContent = '';
 551
 552                         // Traverse news array IF there are records in it:
 553                 if (is_array($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNews']) && count($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNews'])) {
 554
 555                                 // get the main news template, and replace the subpart after looped through
 556                         $newsContent      = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###LOGIN_NEWS###');
 557                         $newsItemTemplate = t3lib_parsehtml::getSubpart($newsContent, '###NEWS_ITEM###');
 558
 559                         $newsItemContent = '';
 560                         foreach ($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNews'] as $newsItem) {
 561                                 $newsItemMarker = array(
 562                                         '###HEADER###'  => htmlspecialchars($newsItem['header']),
 563                                         '###DATE###'    => htmlspecialchars($newsItem['date']),
 564                                         '###CONTENT###' => trim($newsItem['content'])
 565                                 );
 566                                 $newsItemContent .= t3lib_parsehtml::substituteMarkerArray($newsItemTemplate, $newsItemMarker);
 567                         }
 568
 569                         $title = ($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNewsTitle'] ? $GLOBALS['TYPO3_CONF_VARS']['BE']['loginNewsTitle'] : $GLOBALS['LANG']->getLL('newsheadline'));
 570
 571                         $newsContent = t3lib_parsehtml::substituteMarker($newsContent,  '###NEWS_HEADLINE###', htmlspecialchars($title));
 572                         $newsContent = t3lib_parsehtml::substituteSubpart($newsContent, '###NEWS_ITEM###', $newsItemContent);
 573                 }
 574
 575                 return $newsContent;
 576         }
 577
 578         /**
 579          * Returns the form tag
 580          *
 581          * @return      string          Opening form tag string
 582          */
 583         function startForm()    {
 584                 $output = '';
 585
 586                 // The form defaults to 'no login'. This prevents plain
 587                 // text logins to the Backend. The 'sv' extension changes the form to
 588                 // use superchallenged method and rsaauth extension makes rsa authetication.
 589                 $form = '<form action="index.php" method="post" name="loginform" ' .
 590                                 'onsubmit="alert(\'No authentication methods available. Please, ' .
 591                                 'contact your TYPO3 administrator.\');return false">';
 592
 593                 // Call hooks. If they do not return anything, we fail to login
 594                 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/index.php']['loginFormHook'])) {
 595                         foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/index.php']['loginFormHook'] as $function) {
 596                                 $params = array();
 597                                 $formCode = t3lib_div::callUserFunction($function, $params, $this);
 598                                 if ($formCode) {
 599                                         $form = $formCode;
 600                                         break;
 601                                 }
 602                         }
 603                 }
 604
 605                 $output .= $form .
 606                         '<input type="hidden" name="login_status" value="login" />' .
 607                         '<input type="hidden" name="userident" value="" />' .
 608                         '<input type="hidden" name="redirect_url" value="'.htmlspecialchars($this->redirectToURL).'" />' .
 609                         '<input type="hidden" name="loginRefresh" value="'.htmlspecialchars($this->loginRefresh).'" />' .
 610                         $this->interfaceSelector_hidden . $this->addFields_hidden;
 611
 612                 return $output;
 613         }
 614
 615         /**
 616          * Outputs an empty string. This function is obsolete and kept for the
 617          * compatibility only.
 618          *
 619          * @param       string  $unused Unused
 620          * @return      string          HTML output
 621          * @deprecated since TYPO3 4.3, all the functionality was put in $this->startForm() and $this->addFields_hidden
 622          */
 623         function getHiddenFields($unused = '') {
 624                 t3lib_div::logDeprecatedFunction();
 625                 return '';
 626         }
 627
 628         /**
 629          * Creates JavaScript for the login form
 630          *
 631          * @return      string          JavaScript code
 632          */
 633         function getJScode()    {
 634                 $JSCode = '';
 635                 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/index.php']['loginScriptHook'])) {
 636                         foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/index.php']['loginScriptHook'] as $function) {
 637                                 $params = array();
 638                                 $JSCode = t3lib_div::callUserFunction($function, $params, $this);
 639                                 if ($JSCode) {
 640                                         break;
 641                                 }
 642                         }
 643                 }
 644                 $JSCode .= $GLOBALS['TBE_TEMPLATE']->wrapScriptTags('
 645                         function startUp() {
 646                                         // If the login screen is shown in the login_frameset window for re-login, then try to get the username of the current/former login from opening windows main frame:
 647                                 if (parent.opener && parent.opener.TS && parent.opener.TS.username && document.loginform && document.loginform.username)        {
 648                                         document.loginform.username.value = parent.opener.TS.username;
 649                                 }
 650
 651                                         // Wait a few millisecons before calling checkFocus(). This might be necessary because some browsers need some time to auto-fill in the form fields
 652                                 window.setTimeout("checkFocus()", 50);
 653                         }
 654
 655                                 // This moves focus to the right input field:
 656                         function checkFocus() {
 657                                         // If for some reason there already is a username in the username form field, move focus to the password field:
 658                                 if (document.loginform.username && document.loginform.username.value == "") {
 659                                         document.loginform.username.focus();
 660                                 } else if (document.loginform.p_field && document.loginform.p_field.type!="hidden") {
 661                                         document.loginform.p_field.focus();
 662                                 }
 663                         }
 664
 665                                 // This function shows a warning, if user has capslock enabled
 666                                 // parameter showWarning: shows warning if true and capslock active, otherwise only hides warning, if capslock gets inactive
 667                         function checkCapslock(e, showWarning) {
 668                                 if (!isCapslock(e)) {
 669                                         document.getElementById(\'t3-capslock\').style.display = \'none\';
 670                                 } else if (showWarning) {
 671                                         document.getElementById(\'t3-capslock\').style.display = \'block\';
 672                                 }
 673                         }
 674
 675                                 // Checks weather capslock is enabled (returns true if enabled, false otherwise)
 676                                 // thanks to http://24ways.org/2007/capturing-caps-lock
 677
 678                         function isCapslock(e) {
 679                                 var ev = e ? e : window.event;
 680                                 if (!ev) {
 681                                         return;
 682                                 }
 683                                 var targ = ev.target ? ev.target : ev.srcElement;
 684                                 // get key pressed
 685                                 var which = -1;
 686                                 if (ev.which) {
 687                                         which = ev.which;
 688                                 } else if (ev.keyCode) {
 689                                         which = ev.keyCode;
 690                                 }
 691                                 // get shift status
 692                                 var shift_status = false;
 693                                 if (ev.shiftKey) {
 694                                         shift_status = ev.shiftKey;
 695                                 } else if (ev.modifiers) {
 696                                         shift_status = !!(ev.modifiers & 4);
 697                                 }
 698                                 return (((which >= 65 && which <= 90) && !shift_status) ||
 699                                         ((which >= 97 && which <= 122) && shift_status));
 700                         }
 701
 702                                 // prevent opening the login form in the backend frameset
 703                         if (top.location.href != self.location.href) {
 704                                 top.location.href = self.location.href;
 705                         }
 706
 707                         ');
 708
 709                 return $JSCode;
 710         }
 711
 712
 713         /**
 714          * Checks if labels from $GLOBALS['TYPO3_CONF_VARS']['BE']['loginLabels'] were changed, and merge them to $GLOBALS['LOCAL_LANG'] if needed
 715          *
 716          * This method keeps backwards compatibility, if you modified your
 717          * labels with the install tool, we recommend to transfer this labels to a locallang.xml file
 718          * using the llxml extension
 719          *
 720          * @return      void
 721          */
 722         protected function mergeOldLoginLabels() {
 723                         // Getting login labels
 724                 $oldLoginLabels = trim($GLOBALS['TYPO3_CONF_VARS']['BE']['loginLabels']);
 725                 if ($oldLoginLabels != '') {
 726                                 // md5 hash of the default loginLabels string
 727                         $defaultOldLoginLabelsHash = 'bcf0d32e58c6454ea50c6c956f1f18f0';
 728                                 // compare loginLabels from TYPO3_CONF_VARS to default value
 729                         if (md5($oldLoginLabels) != $defaultOldLoginLabelsHash) {
 730                                 $lang = $GLOBALS['LANG']->lang;
 731                                 $oldLoginLabelArray = explode('|',$oldLoginLabels);
 732                                 $overrideLabelKeys = array(
 733                                         'labels.username'     => $oldLoginLabelArray[0],
 734                                         'labels.password'     => $oldLoginLabelArray[1],
 735                                         'labels.interface'    => $oldLoginLabelArray[2],
 736                                         'labels.submitLogin'  => $oldLoginLabelArray[3],
 737                                         'labels.submitLogout' => $oldLoginLabelArray[4],
 738                                         'availableInterfaces' => $oldLoginLabelArray[5],
 739                                         'headline'            => $oldLoginLabelArray[6],
 740                                         'info.jscookies'      => $oldLoginLabelArray[7],
 741                                         'newsheadline'        => $oldLoginLabelArray[8],
 742                                         'error.login'         => $oldLoginLabelArray[9],
 743                                 );
 744                                 if (!is_array($GLOBALS['LOCAL_LANG'][$lang])) {
 745                                         $GLOBALS['LOCAL_LANG'][$lang] = array();
 746                                 }
 747                                         // now override the labels from the LOCAL_LANG with the TYPO3_CONF_VARS
 748                                 foreach ($overrideLabelKeys as $labelKey => $label) {
 749                                         $GLOBALS['LOCAL_LANG'][$lang][$labelKey] = $GLOBALS['LOCAL_LANG']['default'][$labelKey] = $label;
 750                                 }
 751                         }
 752                 }
 753         }
 754 }
 755
 756
 757 if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['typo3/index.php']) {
 758         include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['typo3/index.php']);
 759 }
 760
 761
 762
 763 // Make instance:
 764 $SOBE = t3lib_div::makeInstance('SC_index');
 765 $SOBE->init();
 766 $SOBE->main();
 767 $SOBE->printContent();
 768
 769 ?>