typo3/index.php

   1 <?php
   2 /***************************************************************
   3 *  Copyright notice
   4 *
   5 *  (c) 1999-2008 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         var $L_vars;                            // Set to the labels used for the login screen.
 101
 102                 // Internal, dynamic:
 103         var $content;                           // Content accumulation
 104
 105         var $interfaceSelector;                 // A selector box for selecting value for "interface" may be rendered into this variable
 106         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
 107         var $interfaceSelector_hidden;  // A hidden field, if the interface is not set.
 108         var $addFields_hidden = '';             // Additional hidden fields to be placed at the login form
 109
 110                 // sets the level of security. *'normal' = clear-text. 'challenged' = hashed password/username from form in $formfield_uident. 'superchallenged' = hashed password hashed again with username.
 111         var $loginSecurityLevel = 'superchallenged';
 112
 113
 114
 115
 116         /**
 117          * Initialize the login box. Will also react on a &L=OUT flag and exit.
 118          *
 119          * @return      void
 120          */
 121         function init() {
 122                 global $BE_USER,$TYPO3_CONF_VARS;
 123
 124                         // GPvars:
 125                 $this->redirect_url = t3lib_div::_GP('redirect_url');
 126                 $this->GPinterface = t3lib_div::_GP('interface');
 127
 128                 if(t3lib_div::getIndpEnv('TYPO3_SSL'))  {       // For security reasons this feature only works if SSL is used
 129                         $this->u = t3lib_div::_GP('u');         // preset username
 130                         $this->p = t3lib_div::_GP('p');         // preset password
 131                 }
 132                 $this->L = t3lib_div::_GP('L');                         // If "L" is "OUT", then any logged in used is logged out. If redirect_url is given, we redirect to it
 133                 $this->loginRefresh = t3lib_div::_GP('loginRefresh');   // Login
 134                 $this->commandLI = t3lib_div::_GP('commandLI');         // Value of "Login" button. If set, the login button was pressed.
 135
 136                         // sets the level of security from conf vars
 137                 if ($TYPO3_CONF_VARS['BE']['loginSecurityLevel']) {
 138                         $this->loginSecurityLevel = $TYPO3_CONF_VARS['BE']['loginSecurityLevel'];
 139                 }
 140
 141                         // Getting login labels:
 142                 $this->L_vars = explode('|',$TYPO3_CONF_VARS['BE']['loginLabels']);
 143
 144                         // Setting the redirect URL to "backend.php" if no alternative input is given:
 145                 $this->redirectToURL = $this->redirect_url ? $this->redirect_url : 'backend.php';
 146
 147                         // Logout?
 148                 if ($this->L=='OUT' && is_object($BE_USER))     {
 149                         $BE_USER->logoff();
 150                         if ($this->redirect_url)        header('Location: '.t3lib_div::locationHeaderUrl($this->redirect_url));
 151                         exit;
 152                 }
 153         }
 154
 155         /**
 156          * Main function - creating the login/logout form
 157          *
 158          * @return      void
 159          */
 160         function main() {
 161                 global $TBE_TEMPLATE, $TYPO3_CONF_VARS, $BE_USER;
 162
 163                         // Initialize template object:
 164                 $TBE_TEMPLATE->docType='xhtml_trans';
 165                 $TBE_TEMPLATE->bodyTagAdditions = ' onload="startUp();"';
 166
 167                         // Set JavaScript for creating a MD5 hash of the password:
 168                 $TBE_TEMPLATE->JScode.= $this->getJScode();
 169
 170                         // Checking, if we should make a redirect.
 171                         // Might set JavaScript in the header to close window.
 172                 $this->checkRedirect();
 173
 174                         // Initialize interface selectors:
 175                 $this->makeInterfaceSelectorBox();
 176
 177                         // Replace an optional marker in the "Administration Login" label
 178                 $this->L_vars[6] = str_replace("###SITENAME###",$TYPO3_CONF_VARS['SYS']['sitename'],$this->L_vars[6]);
 179
 180                         // Creating form based on whether there is a login or not:
 181                 if (!$BE_USER->user['uid'])     {
 182                         $TBE_TEMPLATE->form = $this->startForm();
 183                         $loginForm = $this->makeLoginForm();
 184                 } else {
 185                         $TBE_TEMPLATE->form = '
 186                                 <form action="index.php" method="post" name="loginform">
 187                                 <input type="hidden" name="login_status" value="logout" />
 188                                 ';
 189                         $loginForm = $this->makeLogoutForm();
 190                 }
 191
 192                         // Starting page:
 193                 $this->content.=$TBE_TEMPLATE->startPage('TYPO3 Login: '.$TYPO3_CONF_VARS['SYS']['sitename']);
 194
 195                         // Add login form:
 196                 $this->content.=$this->wrapLoginForm($loginForm);
 197
 198                         // Create a random challenge string
 199                 $challenge = $this->getChallenge();
 200
 201                         // Save challenge value in session data (thanks to Bernhard Kraft for providing code):
 202                 session_start();
 203                 $_SESSION['login_challenge'] = $challenge;
 204
 205                         // Add hidden fields:
 206                 $this->content.= $this->getHiddenFields($challenge);
 207
 208                         // End page:
 209                 $this->content.=$TBE_TEMPLATE->endPage();
 210         }
 211
 212         /**
 213          * Outputting the accumulated content to screen
 214          *
 215          * @return      void
 216          */
 217         function printContent() {
 218                 echo $this->content;
 219         }
 220
 221
 222
 223
 224
 225
 226
 227
 228         /*****************************
 229          *
 230          * Various functions
 231          *
 232          ******************************/
 233
 234         /**
 235          * Creates the login form
 236          * This is drawn when NO login exists.
 237          *
 238          * @return      string          HTML output
 239          */
 240         function makeLoginForm()        {
 241
 242                         // There must be no white-spaces outside of the tags (needed for buggy IE)
 243                 $content.=                              '<!--
 244                                                                 Login form:
 245                                                         --><table cellspacing="0" cellpadding="0" border="0" id="logintable">
 246                                                                         <tr>
 247                                                                                 <td colspan="2"><h2>'.htmlspecialchars($this->L_vars[6]).'</h2></td>
 248                                                                         </tr>'.($this->commandLI ? '
 249                                                                         <tr class="c-wrong">
 250                                                                                 <td colspan="2"><p class="c-wrong">'.htmlspecialchars($this->L_vars[9]).'</p></td>
 251                                                                         </tr>' : '').'
 252                                                                         <tr class="c-username">
 253                                                                                 <td><label for="username" class="c-username">'.htmlspecialchars($this->L_vars[0]).':</label></td>
 254                                                                                 <td><input type="text" id="username" name="username" value="'.htmlspecialchars($this->u).'" class="c-username" /></td>
 255                                                                         </tr>
 256                                                                         <tr class="c-password">
 257                                                                                 <td><label for="password" class="c-password">'.htmlspecialchars($this->L_vars[1]).':</label></td>
 258                                                                                 <td><input type="password" id="password" name="p_field" value="'.htmlspecialchars($this->p).'" class="c-password" /></td>
 259                                                                         </tr>'.($this->interfaceSelector && !$this->loginRefresh ? '
 260                                                                         <tr class="c-interfaceselector">
 261                                                                                 <td><label for="interfaceselector" class="c-interfaceselector">'.htmlspecialchars($this->L_vars[2]).':</label></td>
 262                                                                                 <td>'.$this->interfaceSelector.'</td>
 263                                                                         </tr>' : '' ).'
 264                                                                         <tr class="c-submit">
 265                                                                                 <td></td>
 266                                                                                 <td><input type="submit" name="commandLI" value="'.htmlspecialchars($this->L_vars[3]).'" class="c-submit" /></td>
 267                                                                         </tr>
 268                                                                         <tr class="c-info">
 269                                                                                 <td colspan="2"><p class="c-info">'.htmlspecialchars($this->L_vars[7]).'</p></td>
 270                                                                         </tr>
 271                                                                 </table>';
 272
 273                         // Return content:
 274                 return $content;
 275         }
 276
 277         /**
 278          * Creates the logout form
 279          * This is drawn if a user login already exists.
 280          *
 281          * @return      string          HTML output
 282          */
 283         function makeLogoutForm()       {
 284                 global $BE_USER;
 285
 286                 $content.= '
 287
 288                                                         <!--
 289                                                                 Login form:
 290                                                         -->
 291                                                         <table cellspacing="0" cellpadding="0" border="0" id="logintable">
 292                                                                         <tr>
 293                                                                                 <td></td>
 294                                                                                 <td><h2>'.htmlspecialchars($this->L_vars[6]).'</h2></td>
 295                                                                         </tr>
 296                                                                         <tr class="c-username">
 297                                                                                 <td><p class="c-username">'.htmlspecialchars($this->L_vars[0]).':</p></td>
 298                                                                                 <td><p class="c-username-current">'.htmlspecialchars($BE_USER->user['username']).'</p></td>
 299                                                                         </tr>'.($this->interfaceSelector_jump ? '
 300                                                                         <tr class="c-interfaceselector">
 301                                                                                 <td><p class="c-interfaceselector">'.htmlspecialchars($this->L_vars[2]).':</p></td>
 302                                                                                 <td>'.$this->interfaceSelector_jump.'</td>
 303                                                                         </tr>' : '' ).'
 304                                                                         <tr class="c-submit">
 305                                                                                 <td><input type="hidden" name="p_field" value="" /></td>
 306                                                                                 <td><input type="submit" name="commandLO" value="'.htmlspecialchars($this->L_vars[4]).'" class="c-submit" /></td>
 307                                                                         </tr>
 308                                                                         <tr class="c-info">
 309                                                                                 <td></td>
 310                                                                                 <td><p class="c-info">'.htmlspecialchars($this->L_vars[7]).'</p></td>
 311                                                                         </tr>
 312                                                                 </table>';
 313
 314                         // Return content:
 315                 return $content;
 316         }
 317
 318         /**
 319          * Wrapping the login form table in another set of tables etc:
 320          *
 321          * @param       string          HTML content for the login form
 322          * @return      string          The HTML for the page.
 323          */
 324         function wrapLoginForm($content)        {
 325
 326                         // Logo:
 327                 $logo = $GLOBALS['TBE_STYLES']['logo_login'] ?
 328                                         '<img src="'.htmlspecialchars($GLOBALS['BACK_PATH'].$GLOBALS['TBE_STYLES']['logo_login']).'" alt="" />' :
 329                                         '<img'.t3lib_iconWorks::skinImg($GLOBALS['BACK_PATH'],'gfx/typo3logo.gif','width="123" height="34"').' alt="" />';
 330
 331                         // Login box image:
 332                 $loginboxImage = $this->makeLoginBoxImage();
 333
 334                         // Compile the page content:
 335                 $content='
 336
 337                 <!--
 338                         Wrapper table for the login form:
 339                 -->
 340                 <table cellspacing="0" cellpadding="0" border="0" id="wrapper">
 341                         <tr>
 342                                 <td class="c-wrappercell" align="center">
 343
 344                                         <!--
 345                                                 Login form image:
 346                                         -->
 347                                         <div id="loginimage">
 348                                                                                         '.$logo.'
 349                                         </div>
 350
 351                                         <!--
 352                                                 Login form wrapper:
 353                                         -->
 354                                         <table cellspacing="0" cellpadding="0" border="0" id="loginwrapper">
 355                                                 <tr>
 356                                                         <td'.($this->commandLI ? ' class="error"' : '').'>'.$loginboxImage.
 357                                                                 $content.'
 358                                                         </td>
 359                                                 </tr>
 360                                         </table>
 361
 362                                         '.$this->makeLoginNews().'
 363                                         <!--
 364                                                 Copyright notice:
 365                                         -->
 366                                         <div id="copyrightnotice">
 367                                                 '.$this->makeCopyrightNotice().'
 368                                         </div>
 369
 370
 371                                 </td>
 372                         </tr>
 373                 </table>';
 374
 375                         // Return content:
 376                 return $content;
 377         }
 378
 379         /**
 380          * Checking, if we should perform some sort of redirection OR closing of windows.
 381          *
 382          * @return      void
 383          */
 384         function checkRedirect()        {
 385                 global $BE_USER,$TBE_TEMPLATE;
 386
 387                         // Do redirect:
 388                         // 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...)
 389                 if ($BE_USER->user['uid'] && ($this->commandLI || $this->loginRefresh || !$this->interfaceSelector))    {
 390
 391                                 // 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.
 392                         if (!$_COOKIE[$BE_USER->name])  {
 393                                 if ($this->commandLI=='setCookie') {
 394                                                 // we tried it a second time but still no cookie
 395                                                 // 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.
 396                                         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);
 397                                         exit;
 398                                 } else {
 399                                                 // try it once again - that might be needed for auto login
 400                                         $this->redirectToURL = 'index.php?commandLI=setCookie';
 401                                 }
 402                         }
 403
 404                         if ($redirectToURL = (string)$BE_USER->getTSConfigVal('auth.BE.redirectToURL')) {
 405                                 $this->redirectToURL = $redirectToURL;
 406                                 $this->GPinterface = '';
 407                         }
 408
 409                                 // store interface
 410                         $BE_USER->uc['interfaceSetup'] = $this->GPinterface;
 411                         $BE_USER->writeUC();
 412
 413                                 // Based on specific setting of interface we set the redirect script:
 414                         switch ($this->GPinterface)     {
 415                                 case 'backend':
 416                                         $this->redirectToURL = 'backend.php';
 417                                 break;
 418                                 case 'backend_old':
 419                                         $this->redirectToURL = 'alt_main.php';
 420                                 break;
 421                                 case 'frontend':
 422                                         $this->redirectToURL = '../';
 423                                 break;
 424                         }
 425
 426                                 // If there is a redirect URL AND if loginRefresh is not set...
 427                         if (!$this->loginRefresh)       {
 428                                 header('Location: '.t3lib_div::locationHeaderUrl($this->redirectToURL));
 429                                 exit;
 430                         } else {
 431                                 $TBE_TEMPLATE->JScode.=$TBE_TEMPLATE->wrapScriptTags('
 432                                         if (parent.opener && parent.opener.busy)        {
 433                                                 parent.opener.busy.loginRefreshed();
 434                                                 parent.close();
 435                                         }
 436                                 ');
 437                         }
 438
 439                 } elseif (!$BE_USER->user['uid'] && $this->commandLI) {
 440                         sleep(5);       // Wrong password, wait for 5 seconds
 441                 }
 442         }
 443
 444         /**
 445          * Making interface selector:
 446          *
 447          * @return      void
 448          */
 449         function makeInterfaceSelectorBox()     {
 450                 global $TYPO3_CONF_VARS;
 451
 452                         // Reset variables:
 453                 $this->interfaceSelector = '';
 454                 $this->interfaceSelector_hidden='';
 455                 $this->interfaceSelector_jump = '';
 456
 457                         // If interfaces are defined AND no input redirect URL in GET vars:
 458                 if ($TYPO3_CONF_VARS['BE']['interfaces'] && ($this->commandLI || !$this->redirect_url)) {
 459                         $parts = t3lib_div::trimExplode(',',$TYPO3_CONF_VARS['BE']['interfaces']);
 460                         if (count($parts)>1)    {       // Only if more than one interface is defined will we show the selector:
 461
 462                                         // Initialize:
 463                                 $tempLabels=explode(',', $this->L_vars[5]);
 464                                 $labels=array();
 465
 466                                 $labels['backend']     = $tempLabels[0];
 467                                 $labels['backend_old'] = $tempLabels[2];
 468                                 $labels['frontend']    = $tempLabels[1];
 469
 470                                 $jumpScript=array();
 471                                 $jumpScript['backend']     = 'backend.php';
 472                                 $jumpScript['backend_old'] = 'alt_main.php';
 473                                 $jumpScript['frontend']    = '../';
 474
 475                                         // Traverse the interface keys:
 476                                 foreach($parts as $valueStr)    {
 477                                         $this->interfaceSelector.='
 478                                                         <option value="'.htmlspecialchars($valueStr).'"'.(t3lib_div::_GP('interface')==htmlspecialchars($valueStr) ? ' selected="selected"' : '').'>'.htmlspecialchars($labels[$valueStr]).'</option>';
 479                                         $this->interfaceSelector_jump.='
 480                                                         <option value="'.htmlspecialchars($jumpScript[$valueStr]).'">'.htmlspecialchars($labels[$valueStr]).'</option>';
 481                                 }
 482                                 $this->interfaceSelector='
 483                                                 <select id="interfaceselector" name="interface" class="c-interfaceselector">'.$this->interfaceSelector.'
 484                                                 </select>';
 485                                 $this->interfaceSelector_jump='
 486                                                 <select id="interfaceselector" name="interface" class="c-interfaceselector" onchange="window.location.href=this.options[this.selectedIndex].value;">'.$this->interfaceSelector_jump.'
 487                                                 </select>';
 488
 489                         } else {        // If there is only ONE interface value set:
 490
 491                                 $this->interfaceSelector_hidden='<input type="hidden" name="interface" value="'.trim($TYPO3_CONF_VARS['BE']['interfaces']).'" />';
 492                         }
 493                 }
 494         }
 495
 496         /**
 497          * COPYRIGHT notice
 498          *
 499          * Warning:
 500          * DO NOT prevent this notice from being shown in ANY WAY.
 501          * 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)
 502          * 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.
 503          *
 504          * @return      string          Text/Image (HTML) for copyright notice.
 505          */
 506         function makeCopyrightNotice()  {
 507
 508                         // Get values from TYPO3_CONF_VARS:
 509                 $loginCopyrightWarrantyProvider = strip_tags(trim($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightWarrantyProvider']));
 510                 $loginCopyrightWarrantyURL = strip_tags(trim($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightWarrantyURL']));
 511                 $loginImageSmall = (trim($GLOBALS['TBE_STYLES']['loginBoxImageSmall'])) ? trim($GLOBALS['TBE_STYLES']['loginBoxImageSmall']) : 'gfx/loginlogo_transp.gif';
 512
 513                         // Make warranty note:
 514                 if (strlen($loginCopyrightWarrantyProvider)>=2 && strlen($loginCopyrightWarrantyURL)>=10)       {
 515                         $warrantyNote='Warranty is supplied by '.htmlspecialchars($loginCopyrightWarrantyProvider).'; <a href="'.htmlspecialchars($loginCopyrightWarrantyURL).'" target="_blank">click for details.</a>';
 516                 } else {
 517                         $warrantyNote='TYPO3 comes with ABSOLUTELY NO WARRANTY; <a href="http://typo3.com/1316.0.html" target="_blank">click for details.</a>';
 518                 }
 519
 520                         // Compile full copyright notice:
 521                 $copyrightNotice = '<a href="http://typo3.com/" target="_blank">'.
 522                                         '<img src="'.$loginImageSmall.'" alt="TYPO3 logo" align="left" />'.
 523                                         'TYPO3 CMS'.($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightShowVersion']?' ver. '.htmlspecialchars($GLOBALS['TYPO_VERSION']):'').
 524                                         '</a>. '.
 525                                         'Copyright &copy; '.TYPO3_copyright_year.' Kasper Sk&#229;rh&#248;j. Extensions are copyright of their respective owners. '.
 526                                         'Go to <a href="http://typo3.com/" target="_blank">http://typo3.com/</a> for details. '.
 527                                         $warrantyNote.' '.
 528                                         'This is free software, and you are welcome to redistribute it under certain conditions; <a href="http://typo3.com/1316.0.html" target="_blank">click for details</a>. '.
 529                                         'Obstructing the appearance of this notice is prohibited by law.';
 530
 531                         // Return notice:
 532                 return $copyrightNotice;
 533         }
 534
 535         /**
 536          * Returns the login box image, whether the default or an image from the rotation folder.
 537          *
 538          * @return      string          HTML image tag.
 539          */
 540         function makeLoginBoxImage()    {
 541                 $loginboxImage = '';
 542                 if ($GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder'])     {               // Look for rotation image folder:
 543                         $absPath = t3lib_div::resolveBackPath(PATH_typo3.$GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder']);
 544
 545                                 // Get rotation folder:
 546                         $dir = t3lib_div::getFileAbsFileName($absPath);
 547                         if ($dir && @is_dir($dir))      {
 548
 549                                         // Get files for rotation into array:
 550                                 $files = t3lib_div::getFilesInDir($dir,'png,jpg,gif');
 551
 552                                         // Pick random file:
 553                                 srand((float) microtime() * 10000000);
 554                                 $randImg = array_rand($files, 1);
 555
 556                                         // Get size of random file:
 557                                 $imgSize = @getimagesize($dir.$files[$randImg]);
 558
 559                                 $imgAuthor = is_array($GLOBALS['TBE_STYLES']['loginBoxImage_author'])&&$GLOBALS['TBE_STYLES']['loginBoxImage_author'][$files[$randImg]] ? htmlspecialchars($GLOBALS['TBE_STYLES']['loginBoxImage_author'][$files[$randImg]]) : '';
 560
 561                                         // Create image tag:
 562                                 if (is_array($imgSize)) {
 563                                         $loginboxImage = '<img src="'.htmlspecialchars($GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder'].$files[$randImg]).'" '.$imgSize[3].' id="loginbox-image" alt="'.$imgAuthor.'" title="'.$imgAuthor.'" />';
 564                                 }
 565                         }
 566                 } else {        // If no rotation folder configured, print default image:
 567
 568                         if (strstr(TYPO3_version,'-dev'))       {       // development version
 569                                 $loginImage = 'loginbox_image_dev.png';
 570                                 $imagecopy = 'You are running a development version of TYPO3 '.TYPO3_branch;
 571                         } else {
 572                                 $loginImage = 'loginbox_image.jpg';
 573                                 $imagecopy = 'Photo by J.C. Franca (www.digitalphoto.com.br)';
 574                         }
 575                         $loginboxImage = '<img'.t3lib_iconWorks::skinImg($GLOBALS['BACK_PATH'],'gfx/'.$loginImage,'width="200" height="133"').' id="loginbox-image" alt="'.$imagecopy.'" title="'.$imagecopy.'" />';
 576                 }
 577
 578                         // Return image tag:
 579                 return $loginboxImage;
 580         }
 581
 582         /**
 583          * Make login news - renders the HTML content for a list of news shown under the login form. News data is added through $TYPO3_CONF_VARS
 584          *
 585          * @return      string          HTML content
 586          * @credits                     Idea by Jan-Hendrik Heuing
 587          */
 588         function makeLoginNews()        {
 589
 590                         // Reset output variable:
 591                 $newsContent= '';
 592
 593                         // Traverse news array IF there are records in it:
 594                 if (is_array($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNews']) && count($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNews']))  {
 595                         foreach($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNews'] as $newsItem)    {
 596                                 $newsContent .= '<dt>'.htmlspecialchars($newsItem['header']).' <span>'.htmlspecialchars($newsItem['date']).'</span></dt>';
 597                                 $newsContent .= '<dd>'.trim($newsItem['content']).'</dd>';
 598                         }
 599
 600                         $title = $GLOBALS['TYPO3_CONF_VARS']['BE']['loginNewsTitle'] ? htmlspecialchars($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNewsTitle']) : htmlspecialchars($this->L_vars[8]);
 601                                 // Wrap
 602                         $newsContent = '
 603
 604                                         <!--
 605                                                 Login screen news:
 606                                         -->
 607                                         <h2 id="loginNewsTitle">'.$title.'</h2>
 608                                         <dl id="loginNews">
 609                                                 '.$newsContent.'
 610                                         </dl>
 611                         ';
 612                 }
 613
 614                         // Return content:
 615                 return $newsContent;
 616         }
 617
 618         /**
 619          * Returns the form tag
 620          *
 621          * @return      string          Opening form tag string
 622          */
 623         function startForm()    {
 624                 $output = '';
 625
 626                 if ($this->loginSecurityLevel == 'challenged') {
 627                         $output.= '
 628                                 <form action="index.php" method="post" name="loginform" onsubmit="doChallengeResponse(0);">
 629                                 ';
 630                 } elseif ($this->loginSecurityLevel == 'normal') {
 631                         $output.= '
 632                                 <form action="index.php" method="post" name="loginform" onsubmit="document.loginform.userident.value=document.loginform.p_field.value;document.loginform.p_field.value=\'\';return true;">
 633                                 ';
 634                 } else { // if ($this->loginSecurityLevel == 'superchallenged') {
 635                         $output.= '
 636                                 <form action="index.php" method="post" name="loginform" onsubmit="doChallengeResponse(1);">
 637                                 ';
 638                 }
 639
 640                 $output.= '
 641                                         <input type="hidden" name="login_status" value="login" />
 642                                 ';
 643
 644                 return $output;
 645         }
 646
 647         /**
 648          * Output some hidden fields at the end of the login form
 649          *
 650          * @param       string          The challenge string to be included in the output
 651          * @return      string          HTML output
 652          */
 653         function getHiddenFields($challenge)    {
 654                 $output = '
 655                         <input type="hidden" name="userident" value="" />
 656                         <input type="hidden" name="challenge" value="'.$challenge.'" />
 657                         <input type="hidden" name="redirect_url" value="'.htmlspecialchars($this->redirectToURL).'" />
 658                         <input type="hidden" name="loginRefresh" value="'.htmlspecialchars($this->loginRefresh).'" />
 659                         '.$this->interfaceSelector_hidden.'
 660                         '.$this->addFields_hidden.'
 661                         ';
 662
 663                 return $output;
 664         }
 665
 666         /**
 667          * Set JavaScript for creating a MD5 hash of the password
 668          *
 669          * @return      string          JavaScript code
 670          */
 671         function getJScode()    {
 672                 global $TBE_TEMPLATE;
 673
 674                 $JScode = '
 675                         <script type="text/javascript" src="md5.js"></script>
 676                         '.$TBE_TEMPLATE->wrapScriptTags('
 677                                 function doChallengeResponse(superchallenged) { //
 678                                         password = document.loginform.p_field.value;
 679                                         if (password)   {
 680                                                 if (superchallenged)    {
 681                                                         password = MD5(password);       // this makes it superchallenged!!
 682                                                 }
 683                                                 str = document.loginform.username.value+":"+password+":"+document.loginform.challenge.value;
 684                                                 document.loginform.userident.value = MD5(str);
 685                                                 document.loginform.p_field.value = "";
 686                                                 return true;
 687                                         }
 688                                 }
 689
 690                                 function startUp() {
 691                                                 // 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:
 692                                         if (parent.opener && parent.opener.TS && parent.opener.TS.username && document.loginform && document.loginform.username)        {
 693                                                 document.loginform.username.value = parent.opener.TS.username;
 694                                         }
 695
 696                                                 // Wait a few millisecons before calling checkFocus(). This might be necessary because some browsers need some time to auto-fill in the form fields
 697                                         window.setTimeout("checkFocus()", 50);
 698                                 }
 699
 700                                         // This moves focus to the right input field:
 701                                 function checkFocus() {
 702                                                 // If for some reason there already is a username in the username form field, move focus to the password field:
 703                                         if (document.loginform.username && document.loginform.username.value == "") {
 704                                                 document.loginform.username.focus();
 705                                         } else if (document.loginform.p_field && document.loginform.p_field.type!="hidden") {
 706                                                 document.loginform.p_field.focus();
 707                                         }
 708                                 }
 709                         ');
 710
 711                 return $JScode;
 712         }
 713
 714         /**
 715          * Create a random challenge string
 716          *
 717          * @return      string          Challenge value
 718          */
 719         function getChallenge() {
 720                 $challenge = md5(uniqid('').getmypid());
 721                 return $challenge;
 722         }
 723 }
 724
 725 // Include extension?
 726 if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['typo3/index.php']) {
 727         include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['typo3/index.php']);
 728 }
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739 // Make instance:
 740 $SOBE = t3lib_div::makeInstance('SC_index');
 741 $SOBE->init();
 742 $SOBE->main();
 743 $SOBE->printContent();
 744 ?>