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                 $this->redirect_url = t3lib_div::_GP('redirect_url');
 123                 $this->GPinterface = t3lib_div::_GP('interface');
 124
 125                         // Grabbing preset username and password, for security reasons this feature only works if SSL is used
 126                 if (t3lib_div::getIndpEnv('TYPO3_SSL')) {
 127                         $this->u = t3lib_div::_GP('u');
 128                         $this->p = t3lib_div::_GP('p');
 129                 }
 130
 131                         // If "L" is "OUT", then any logged in is logged out. If redirect_url is given, we redirect to it
 132                 $this->L = t3lib_div::_GP('L');
 133
 134                         // Login
 135                 $this->loginRefresh = t3lib_div::_GP('loginRefresh');
 136
 137                         // Value of "Login" button. If set, the login button was pressed.
 138                 $this->commandLI = t3lib_div::_GP('commandLI');
 139
 140                         // sets the level of security from conf vars
 141                 if ($GLOBALS['TYPO3_CONF_VARS']['BE']['loginSecurityLevel']) {
 142                         $this->loginSecurityLevel = $GLOBALS['TYPO3_CONF_VARS']['BE']['loginSecurityLevel'];
 143                 }
 144
 145                         // Getting login labels
 146                 $this->L_vars = explode('|', $GLOBALS['TYPO3_CONF_VARS']['BE']['loginLabels']);
 147
 148                         // Setting the redirect URL to "backend.php" if no alternative input is given
 149                 $this->redirectToURL = $this->redirect_url ? $this->redirect_url : 'backend.php';
 150
 151                         // Do a logout if the command is set
 152                 if ($this->L == 'OUT' && is_object($GLOBALS['BE_USER'])) {
 153                         $GLOBALS['BE_USER']->logoff();
 154                         if ($this->redirect_url) {
 155                                 header('Location: '.t3lib_div::locationHeaderUrl($this->redirect_url));
 156                         }
 157                         exit;
 158                 }
 159         }
 160
 161
 162         /**
 163          * Main function - creating the login/logout form
 164          *
 165          * @return      void
 166          */
 167         function main() {
 168                 global $TBE_TEMPLATE, $TYPO3_CONF_VARS, $BE_USER;
 169
 170                         // Initialize template object:
 171                 $TBE_TEMPLATE->docType = 'xhtml_trans';
 172                 $TBE_TEMPLATE->bodyTagAdditions = ' onload="startUp();"';
 173                 $TBE_TEMPLATE->moduleTemplate = $TBE_TEMPLATE->getHtmlTemplate('templates/login.html');
 174
 175
 176                         // Set JavaScript for creating a MD5 hash of the password:
 177                 $TBE_TEMPLATE->JScode.= $this->getJScode();
 178
 179
 180                         // Checking, if we should make a redirect.
 181                         // Might set JavaScript in the header to close window.
 182                 $this->checkRedirect();
 183
 184                         // Initialize interface selectors:
 185                 $this->makeInterfaceSelectorBox();
 186
 187                         // Replace an optional marker in the "Administration Login" label
 188                 $this->L_vars[6] = str_replace("###SITENAME###", $TYPO3_CONF_VARS['SYS']['sitename'], $this->L_vars[6]);
 189
 190                         // Creating form based on whether there is a login or not:
 191                 if (!$BE_USER->user['uid'])     {
 192                         $TBE_TEMPLATE->form = $this->startForm();
 193                         $loginForm = $this->makeLoginForm();
 194                 } else {
 195                         $TBE_TEMPLATE->form = '
 196                                 <form action="index.php" method="post" name="loginform">
 197                                 <input type="hidden" name="login_status" value="logout" />
 198                                 ';
 199                         $loginForm = $this->makeLogoutForm();
 200                 }
 201
 202                         // Starting page:
 203                 $this->content.=$TBE_TEMPLATE->startPage('TYPO3 Login: '.$TYPO3_CONF_VARS['SYS']['sitename']);
 204
 205                         // Add login form:
 206                 $this->content.=$this->wrapLoginForm($loginForm);
 207
 208                         // Create a random challenge string
 209                 $challenge = $this->getChallenge();
 210
 211                         // Save challenge value in session data (thanks to Bernhard Kraft for providing code):
 212                 session_start();
 213                 $_SESSION['login_challenge'] = $challenge;
 214
 215                         // Add hidden fields and end the page
 216                 $this->content.= $this->getHiddenFields($challenge);
 217
 218                 $this->content.= $TBE_TEMPLATE->endPage();
 219         }
 220
 221         /**
 222          * Outputting the accumulated content to screen
 223          *
 224          * @return      void
 225          */
 226         function printContent() {
 227                 echo $this->content;
 228         }
 229
 230
 231
 232
 233
 234
 235
 236
 237         /*****************************
 238          *
 239          * Various functions
 240          *
 241          ******************************/
 242
 243         /**
 244          * Creates the login form
 245          * This is drawn when NO login exists.
 246          *
 247          * @return      string          HTML output
 248          */
 249         function makeLoginForm()        {
 250                 $content = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###LOGIN_FORM###');
 251                 $markers = array(
 252                         'HEADLINE'       => $this->L_vars[6],
 253                         'LABEL_USERNAME' => $this->L_vars[0],
 254                         'LABEL_PASSWORD' => $this->L_vars[1],
 255                         'VALUE_USERNAME' => $this->u,
 256                         'VALUE_PASSWORD' => $this->p,
 257                         'VALUE_SUBMIT'   => $this->L_vars[4],
 258                         'INFO'           => $this->L_vars[3],
 259                 );
 260
 261                         // show an error message if the login command was successful already
 262                 if (!$this->commandLI) {
 263                         $content = t3lib_parsehtml::substituteSubpart($content, '###LOGIN_ERROR###', '');
 264                 } else {
 265                         $markers['ERROR_MESSAGE'] = $this->L_vars[9];
 266                 }
 267
 268                         // HSC all output
 269                 foreach ($markers as &$marker) {
 270                         $marker = htmlspecialchars($marker);
 271                 }
 272
 273
 274                         // remove the interface selector markers if it's not available
 275                 if (!($this->interfaceSelector && !$this->loginRefresh)) {
 276                         $content = t3lib_parsehtml::substituteSubpart($content, '###INTERFACE_SELECTOR###', '');
 277                 } else {
 278                         $markers['LABEL_INTERFACE'] = htmlspecialchars($this->L_vars[2]);
 279                         $markers['VALUE_INTERFACE'] = $this->interfaceSelector_jump;
 280                 }
 281
 282                 return t3lib_parsehtml::substituteMarkerArray($content, $markers, '###|###');
 283         }
 284
 285
 286         /**
 287          * Creates the logout form
 288          * This is drawn if a user login already exists.
 289          *
 290          * @return      string          HTML output
 291          */
 292         function makeLogoutForm() {
 293                 $content = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###LOGOUT_FORM###');
 294                 $markers = array(
 295                         'HEADLINE'       => $this->L_vars[6],
 296                         'LABEL_USERNAME' => $this->L_vars[0],
 297                         'VALUE_USERNAME' => $GLOBALS['BE_USER']->user['username'],
 298                         'VALUE_SUBMIT'   => $this->L_vars[4],
 299                         'INFO'           => $this->L_vars[7],
 300                 );
 301
 302                         // HSC all output
 303                 foreach ($markers as &$marker) {
 304                         $marker = htmlspecialchars($marker);
 305                 }
 306
 307                         // remove the interface selector markers if it's not available
 308                 if (!$this->interfaceSelector_jump) {
 309                         $content = t3lib_parsehtml::substituteSubpart($content, '###INTERFACE_SELECTOR###', '');
 310                 } else {
 311                         $markers['LABEL_INTERFACE'] = htmlspecialchars($this->L_vars[2]);
 312                         $markers['VALUE_INTERFACE'] = $this->interfaceSelector_jump;
 313                 }
 314
 315                 return t3lib_parsehtml::substituteMarkerArray($content, $markers, '###|###');
 316         }
 317
 318
 319         /**
 320          * Wrapping the login form table in another set of tables etc:
 321          *
 322          * @param       string          HTML content for the login form
 323          * @return      string          The HTML for the page.
 324          */
 325         function wrapLoginForm($content) {
 326                 $mainContent = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###PAGE###');
 327
 328                 if ($GLOBALS['TBE_STYLES']['logo_login']) {
 329                         $logo = '<img src="'.htmlspecialchars($GLOBALS['BACK_PATH'] . $GLOBALS['TBE_STYLES']['logo_login']) . '" alt="" />';
 330                 } else {
 331                         $logo = '<img'.t3lib_iconWorks::skinImg($GLOBALS['BACK_PATH'],'gfx/typo3logo.gif','width="123" height="34"').' alt="" />';
 332                 }
 333
 334                 $markers = array(
 335                         'LOGO'           => $logo,
 336                         'LOGINBOX_IMAGE' => $this->makeLoginBoxImage(),
 337                         'FORM'           => $content,
 338                         'NEWS'           => $this->makeLoginNews(),
 339                         'COPYRIGHT'      => $this->makeCopyrightNotice(),
 340                         'CSS_ERRORCLASS' => ($this->commandLI ? ' class="error"' : ''),
 341                 );
 342                 return t3lib_parsehtml::substituteMarkerArray($mainContent, $markers, '###|###');
 343         }
 344
 345
 346         /**
 347          * Checking, if we should perform some sort of redirection OR closing of windows.
 348          *
 349          * @return      void
 350          */
 351         function checkRedirect()        {
 352                 global $BE_USER,$TBE_TEMPLATE;
 353
 354                         // Do redirect:
 355                         // 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...)
 356                 if ($BE_USER->user['uid'] && ($this->commandLI || $this->loginRefresh || !$this->interfaceSelector))    {
 357
 358                                 // 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.
 359                         if (!$_COOKIE[$BE_USER->name])  {
 360                                 if ($this->commandLI=='setCookie') {
 361                                                 // we tried it a second time but still no cookie
 362                                                 // 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.
 363                                         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);
 364                                         exit;
 365                                 } else {
 366                                                 // try it once again - that might be needed for auto login
 367                                         $this->redirectToURL = 'index.php?commandLI=setCookie';
 368                                 }
 369                         }
 370
 371                         if ($redirectToURL = (string)$BE_USER->getTSConfigVal('auth.BE.redirectToURL')) {
 372                                 $this->redirectToURL = $redirectToURL;
 373                                 $this->GPinterface = '';
 374                         }
 375
 376                                 // store interface
 377                         $BE_USER->uc['interfaceSetup'] = $this->GPinterface;
 378                         $BE_USER->writeUC();
 379
 380                                 // Based on specific setting of interface we set the redirect script:
 381                         switch ($this->GPinterface)     {
 382                                 case 'backend':
 383                                         $this->redirectToURL = 'backend.php';
 384                                 break;
 385                                 case 'backend_old':
 386                                         $this->redirectToURL = 'alt_main.php';
 387                                 break;
 388                                 case 'frontend':
 389                                         $this->redirectToURL = '../';
 390                                 break;
 391                         }
 392
 393                                 // If there is a redirect URL AND if loginRefresh is not set...
 394                         if (!$this->loginRefresh)       {
 395                                 header('Location: '.t3lib_div::locationHeaderUrl($this->redirectToURL));
 396                                 exit;
 397                         } else {
 398                                 $TBE_TEMPLATE->JScode.=$TBE_TEMPLATE->wrapScriptTags('
 399                                         if (parent.opener && parent.opener.busy)        {
 400                                                 parent.opener.busy.loginRefreshed();
 401                                                 parent.close();
 402                                         }
 403                                 ');
 404                         }
 405
 406                 } elseif (!$BE_USER->user['uid'] && $this->commandLI) {
 407                         sleep(5);       // Wrong password, wait for 5 seconds
 408                 }
 409         }
 410
 411         /**
 412          * Making interface selector:
 413          *
 414          * @return      void
 415          */
 416         function makeInterfaceSelectorBox()     {
 417                 global $TYPO3_CONF_VARS;
 418
 419                         // Reset variables:
 420                 $this->interfaceSelector = '';
 421                 $this->interfaceSelector_hidden='';
 422                 $this->interfaceSelector_jump = '';
 423
 424                         // If interfaces are defined AND no input redirect URL in GET vars:
 425                 if ($TYPO3_CONF_VARS['BE']['interfaces'] && ($this->commandLI || !$this->redirect_url)) {
 426                         $parts = t3lib_div::trimExplode(',',$TYPO3_CONF_VARS['BE']['interfaces']);
 427                         if (count($parts)>1)    {       // Only if more than one interface is defined will we show the selector:
 428
 429                                         // Initialize:
 430                                 $tempLabels=explode(',', $this->L_vars[5]);
 431                                 $labels=array();
 432
 433                                 $labels['backend']     = $tempLabels[0];
 434                                 $labels['backend_old'] = $tempLabels[2];
 435                                 $labels['frontend']    = $tempLabels[1];
 436
 437                                 $jumpScript=array();
 438                                 $jumpScript['backend']     = 'backend.php';
 439                                 $jumpScript['backend_old'] = 'alt_main.php';
 440                                 $jumpScript['frontend']    = '../';
 441
 442                                         // Traverse the interface keys:
 443                                 foreach($parts as $valueStr)    {
 444                                         $this->interfaceSelector.='
 445                                                         <option value="'.htmlspecialchars($valueStr).'"'.(t3lib_div::_GP('interface')==htmlspecialchars($valueStr) ? ' selected="selected"' : '').'>'.htmlspecialchars($labels[$valueStr]).'</option>';
 446                                         $this->interfaceSelector_jump.='
 447                                                         <option value="'.htmlspecialchars($jumpScript[$valueStr]).'">'.htmlspecialchars($labels[$valueStr]).'</option>';
 448                                 }
 449                                 $this->interfaceSelector='
 450                                                 <select id="interfaceselector" name="interface" class="c-interfaceselector">'.$this->interfaceSelector.'
 451                                                 </select>';
 452                                 $this->interfaceSelector_jump='
 453                                                 <select id="interfaceselector" name="interface" class="c-interfaceselector" onchange="window.location.href=this.options[this.selectedIndex].value;">'.$this->interfaceSelector_jump.'
 454                                                 </select>';
 455
 456                         } else {        // If there is only ONE interface value set:
 457
 458                                 $this->interfaceSelector_hidden='<input type="hidden" name="interface" value="'.trim($TYPO3_CONF_VARS['BE']['interfaces']).'" />';
 459                         }
 460                 }
 461         }
 462
 463         /**
 464          * COPYRIGHT notice
 465          *
 466          * Warning:
 467          * DO NOT prevent this notice from being shown in ANY WAY.
 468          * 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)
 469          * 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.
 470          *
 471          * @return      string          Text/Image (HTML) for copyright notice.
 472          */
 473         function makeCopyrightNotice()  {
 474
 475                         // Get values from TYPO3_CONF_VARS:
 476                 $loginCopyrightWarrantyProvider = strip_tags(trim($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightWarrantyProvider']));
 477                 $loginCopyrightWarrantyURL = strip_tags(trim($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightWarrantyURL']));
 478                 $loginImageSmall = (trim($GLOBALS['TBE_STYLES']['loginBoxImageSmall'])) ? trim($GLOBALS['TBE_STYLES']['loginBoxImageSmall']) : 'gfx/loginlogo_transp.gif';
 479
 480                         // Make warranty note:
 481                 if (strlen($loginCopyrightWarrantyProvider)>=2 && strlen($loginCopyrightWarrantyURL)>=10)       {
 482                         $warrantyNote='Warranty is supplied by '.htmlspecialchars($loginCopyrightWarrantyProvider).'; <a href="'.htmlspecialchars($loginCopyrightWarrantyURL).'" target="_blank">click for details.</a>';
 483                 } else {
 484                         $warrantyNote='TYPO3 comes with ABSOLUTELY NO WARRANTY; <a href="http://typo3.com/1316.0.html" target="_blank">click for details.</a>';
 485                 }
 486
 487                         // Compile full copyright notice:
 488                 $copyrightNotice = '<a href="http://typo3.com/" target="_blank">'.
 489                                         '<img src="'.$loginImageSmall.'" alt="TYPO3 logo" align="left" />'.
 490                                         'TYPO3 CMS'.($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightShowVersion']?' ver. '.htmlspecialchars($GLOBALS['TYPO_VERSION']):'').
 491                                         '</a>. '.
 492                                         'Copyright &copy; '.TYPO3_copyright_year.' Kasper Sk&#229;rh&#248;j. Extensions are copyright of their respective owners. '.
 493                                         'Go to <a href="http://typo3.com/" target="_blank">http://typo3.com/</a> for details. '.
 494                                         $warrantyNote.' '.
 495                                         '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>. '.
 496                                         'Obstructing the appearance of this notice is prohibited by law.';
 497
 498                         // Return notice:
 499                 return $copyrightNotice;
 500         }
 501
 502         /**
 503          * Returns the login box image, whether the default or an image from the rotation folder.
 504          *
 505          * @return      string          HTML image tag.
 506          */
 507         function makeLoginBoxImage()    {
 508                 $loginboxImage = '';
 509                 if ($GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder'])     {               // Look for rotation image folder:
 510                         $absPath = t3lib_div::resolveBackPath(PATH_typo3.$GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder']);
 511
 512                                 // Get rotation folder:
 513                         $dir = t3lib_div::getFileAbsFileName($absPath);
 514                         if ($dir && @is_dir($dir))      {
 515
 516                                         // Get files for rotation into array:
 517                                 $files = t3lib_div::getFilesInDir($dir,'png,jpg,gif');
 518
 519                                         // Pick random file:
 520                                 srand((float) microtime() * 10000000);
 521                                 $randImg = array_rand($files, 1);
 522
 523                                         // Get size of random file:
 524                                 $imgSize = @getimagesize($dir.$files[$randImg]);
 525
 526                                 $imgAuthor = is_array($GLOBALS['TBE_STYLES']['loginBoxImage_author'])&&$GLOBALS['TBE_STYLES']['loginBoxImage_author'][$files[$randImg]] ? htmlspecialchars($GLOBALS['TBE_STYLES']['loginBoxImage_author'][$files[$randImg]]) : '';
 527
 528                                         // Create image tag:
 529                                 if (is_array($imgSize)) {
 530                                         $loginboxImage = '<img src="'.htmlspecialchars($GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder'].$files[$randImg]).'" '.$imgSize[3].' id="loginbox-image" alt="'.$imgAuthor.'" title="'.$imgAuthor.'" />';
 531                                 }
 532                         }
 533                 } else {        // If no rotation folder configured, print default image:
 534
 535                         if (strstr(TYPO3_version,'-dev'))       {       // development version
 536                                 $loginImage = 'loginbox_image_dev.png';
 537                                 $imagecopy = 'You are running a development version of TYPO3 '.TYPO3_branch;
 538                         } else {
 539                                 $loginImage = 'loginbox_image.jpg';
 540                                 $imagecopy = 'Photo by J.C. Franca (www.digitalphoto.com.br)';
 541                         }
 542                         $loginboxImage = '<img'.t3lib_iconWorks::skinImg($GLOBALS['BACK_PATH'],'gfx/'.$loginImage,'width="200" height="133"').' id="loginbox-image" alt="'.$imagecopy.'" title="'.$imagecopy.'" />';
 543                 }
 544
 545                         // Return image tag:
 546                 return $loginboxImage;
 547         }
 548
 549         /**
 550          * 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
 551          *
 552          * @return      string          HTML content
 553          * @credits                     Idea by Jan-Hendrik Heuing
 554          */
 555         function makeLoginNews()        {
 556
 557                         // Reset output variable:
 558                 $newsContent= '';
 559
 560                         // Traverse news array IF there are records in it:
 561                 if (is_array($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNews']) && count($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNews']))  {
 562                         foreach($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNews'] as $newsItem)    {
 563                                 $newsContent .= '<dt>'.htmlspecialchars($newsItem['header']).' <span>'.htmlspecialchars($newsItem['date']).'</span></dt>';
 564                                 $newsContent .= '<dd>'.trim($newsItem['content']).'</dd>';
 565                         }
 566
 567                         $title = $GLOBALS['TYPO3_CONF_VARS']['BE']['loginNewsTitle'] ? htmlspecialchars($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNewsTitle']) : htmlspecialchars($this->L_vars[8]);
 568                                 // Wrap
 569                         $newsContent = '
 570
 571                                         <!--
 572                                                 Login screen news:
 573                                         -->
 574                                         <h2 id="loginNewsTitle">'.$title.'</h2>
 575                                         <dl id="loginNews">
 576                                                 '.$newsContent.'
 577                                         </dl>
 578                         ';
 579                 }
 580
 581                         // Return content:
 582                 return $newsContent;
 583         }
 584
 585         /**
 586          * Returns the form tag
 587          *
 588          * @return      string          Opening form tag string
 589          */
 590         function startForm()    {
 591                 $output = '';
 592
 593                 if ($this->loginSecurityLevel == 'challenged') {
 594                         $output.= '
 595                                 <form action="index.php" method="post" name="loginform" onsubmit="doChallengeResponse(0);">
 596                                 ';
 597                 } elseif ($this->loginSecurityLevel == 'normal') {
 598                         $output.= '
 599                                 <form action="index.php" method="post" name="loginform" onsubmit="document.loginform.userident.value=document.loginform.p_field.value;document.loginform.p_field.value=\'\';return true;">
 600                                 ';
 601                 } else { // if ($this->loginSecurityLevel == 'superchallenged') {
 602                         $output.= '
 603                                 <form action="index.php" method="post" name="loginform" onsubmit="doChallengeResponse(1);">
 604                                 ';
 605                 }
 606
 607                 $output.= '
 608                                         <input type="hidden" name="login_status" value="login" />
 609                                 ';
 610
 611                 return $output;
 612         }
 613
 614         /**
 615          * Output some hidden fields at the end of the login form
 616          *
 617          * @param       string          The challenge string to be included in the output
 618          * @return      string          HTML output
 619          */
 620         function getHiddenFields($challenge)    {
 621                 $output = '
 622                         <input type="hidden" name="userident" value="" />
 623                         <input type="hidden" name="challenge" value="'.$challenge.'" />
 624                         <input type="hidden" name="redirect_url" value="'.htmlspecialchars($this->redirectToURL).'" />
 625                         <input type="hidden" name="loginRefresh" value="'.htmlspecialchars($this->loginRefresh).'" />
 626                         '.$this->interfaceSelector_hidden.'
 627                         '.$this->addFields_hidden.'
 628                         ';
 629
 630                 return $output;
 631         }
 632
 633         /**
 634          * Set JavaScript for creating a MD5 hash of the password
 635          *
 636          * @return      string          JavaScript code
 637          */
 638         function getJScode()    {
 639                 global $TBE_TEMPLATE;
 640
 641                 $JScode = '
 642                         <script type="text/javascript" src="md5.js"></script>
 643                         '.$TBE_TEMPLATE->wrapScriptTags('
 644                                 function doChallengeResponse(superchallenged) { //
 645                                         password = document.loginform.p_field.value;
 646                                         if (password)   {
 647                                                 if (superchallenged)    {
 648                                                         password = MD5(password);       // this makes it superchallenged!!
 649                                                 }
 650                                                 str = document.loginform.username.value+":"+password+":"+document.loginform.challenge.value;
 651                                                 document.loginform.userident.value = MD5(str);
 652                                                 document.loginform.p_field.value = "";
 653                                                 return true;
 654                                         }
 655                                 }
 656
 657                                 function startUp() {
 658                                                 // 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:
 659                                         if (parent.opener && parent.opener.TS && parent.opener.TS.username && document.loginform && document.loginform.username)        {
 660                                                 document.loginform.username.value = parent.opener.TS.username;
 661                                         }
 662
 663                                                 // Wait a few millisecons before calling checkFocus(). This might be necessary because some browsers need some time to auto-fill in the form fields
 664                                         window.setTimeout("checkFocus()", 50);
 665                                 }
 666
 667                                         // This moves focus to the right input field:
 668                                 function checkFocus() {
 669                                                 // If for some reason there already is a username in the username form field, move focus to the password field:
 670                                         if (document.loginform.username && document.loginform.username.value == "") {
 671                                                 document.loginform.username.focus();
 672                                         } else if (document.loginform.p_field && document.loginform.p_field.type!="hidden") {
 673                                                 document.loginform.p_field.focus();
 674                                         }
 675                                 }
 676                         ');
 677
 678                 return $JScode;
 679         }
 680
 681         /**
 682          * Create a random challenge string
 683          *
 684          * @return      string          Challenge value
 685          */
 686         function getChallenge() {
 687                 $challenge = md5(uniqid('').getmypid());
 688                 return $challenge;
 689         }
 690 }
 691
 692 // Include extension?
 693 if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['typo3/index.php']) {
 694         include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['typo3/index.php']);
 695 }
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706 // Make instance:
 707 $SOBE = t3lib_div::makeInstance('SC_index');
 708 $SOBE->init();
 709 $SOBE->main();
 710 $SOBE->printContent();
 711 ?>