typo3/index.php

   1 <?php
   2 /***************************************************************
   3 *  Copyright notice
   4 *
   5 *  (c) 1999-2011 Kasper Skårhøj (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  * Revised for TYPO3 3.6 December/2003 by Kasper Skårhøj
  31  * XHTML compliant
  32  *
  33  * @author      Kasper Skårhøj <kasperYYYY@typo3.com>
  34  */
  35
  36
  37 define('TYPO3_PROCEED_IF_NO_USER', 1);
  38 require('init.php');
  39 require('template.php');
  40
  41
  42
  43
  44
  45
  46
  47
  48
  49
  50
  51
  52
  53
  54
  55 /**
  56  * Script Class for rendering the login form
  57  *
  58  * @author      Kasper Skårhøj <kasperYYYY@typo3.com>
  59  * @package TYPO3
  60  * @subpackage core
  61  */
  62 class SC_index {
  63
  64                 // Internal, GPvars:
  65         var $redirect_url;                      // GPvar: redirect_url; The URL to redirect to after login.
  66         var $GPinterface;                       // GPvar: Defines which interface to load (from interface selector)
  67         var $u;                                 // GPvar: preset username
  68         var $p;                                 // GPvar: preset password
  69         var $L;                                 // GPvar: If "L" is "OUT", then any logged in used is logged out. If redirect_url is given, we redirect to it
  70         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.
  71         var $commandLI;                         // Value of forms submit button for login.
  72
  73                 // Internal, static:
  74         var $redirectToURL;                     // Set to the redirect URL of the form (may be redirect_url or "backend.php")
  75
  76                 // Internal, dynamic:
  77         var $content;                           // Content accumulation
  78
  79         var $interfaceSelector;                 // A selector box for selecting value for "interface" may be rendered into this variable
  80         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
  81         var $interfaceSelector_hidden;  // A hidden field, if the interface is not set.
  82         var $addFields_hidden = '';             // Additional hidden fields to be placed at the login form
  83
  84                 // sets the level of security. *'normal' = clear-text. 'challenged' = hashed password/username from form in $formfield_uident. 'superchallenged' = hashed password hashed again with username.
  85         var $loginSecurityLevel = 'superchallenged';
  86
  87
  88
  89
  90         /**
  91          * Initialize the login box. Will also react on a &L=OUT flag and exit.
  92          *
  93          * @return      void
  94          */
  95         function init() {
  96                         // We need a PHP session session for most login levels
  97                 session_start();
  98
  99                 $this->redirect_url = t3lib_div::sanitizeLocalUrl(t3lib_div::_GP('redirect_url'));
 100                 $this->GPinterface = t3lib_div::_GP('interface');
 101
 102                         // Grabbing preset username and password, for security reasons this feature only works if SSL is used
 103                 if (t3lib_div::getIndpEnv('TYPO3_SSL')) {
 104                         $this->u = t3lib_div::_GP('u');
 105                         $this->p = t3lib_div::_GP('p');
 106                 }
 107
 108                         // If "L" is "OUT", then any logged in is logged out. If redirect_url is given, we redirect to it
 109                 $this->L = t3lib_div::_GP('L');
 110
 111                         // Login
 112                 $this->loginRefresh = t3lib_div::_GP('loginRefresh');
 113
 114                         // Value of "Login" button. If set, the login button was pressed.
 115                 $this->commandLI = t3lib_div::_GP('commandLI');
 116
 117                         // sets the level of security from conf vars
 118                 if ($GLOBALS['TYPO3_CONF_VARS']['BE']['loginSecurityLevel']) {
 119                         $this->loginSecurityLevel = $GLOBALS['TYPO3_CONF_VARS']['BE']['loginSecurityLevel'];
 120                 }
 121
 122                         // try to get the preferred browser language
 123                 $preferredBrowserLanguage = $GLOBALS['LANG']->csConvObj->getPreferredClientLanguage(t3lib_div::getIndpEnv('HTTP_ACCEPT_LANGUAGE'));
 124                         // if we found a $preferredBrowserLanguage and it is not the default language and no be_user is logged in
 125                         // initialize $GLOBALS['LANG'] again with $preferredBrowserLanguage
 126                 if ($preferredBrowserLanguage != 'default' && !$GLOBALS['BE_USER']->user['uid']) {
 127                         $GLOBALS['LANG']->init($preferredBrowserLanguage);
 128                 }
 129                 $GLOBALS['LANG']->includeLLFile('EXT:lang/locallang_login.xml');
 130
 131                         // Setting the redirect URL to "backend.php" if no alternative input is given
 132                 $this->redirectToURL = ($this->redirect_url ? $this->redirect_url : 'backend.php');
 133
 134
 135                         // Do a logout if the command is set
 136                 if ($this->L == 'OUT' && is_object($GLOBALS['BE_USER'])) {
 137                         $GLOBALS['BE_USER']->logoff();
 138                         if ($this->redirect_url) {
 139                                 t3lib_utility_Http::redirect($this->redirect_url);
 140                         }
 141                         exit;
 142                 }
 143         }
 144
 145
 146         /**
 147          * Main function - creating the login/logout form
 148          *
 149          * @return      void
 150          */
 151         function main() {
 152                         // Initialize template object:
 153                 $GLOBALS['TBE_TEMPLATE']->bodyTagAdditions = ' onload="startUp();"';
 154                 $GLOBALS['TBE_TEMPLATE']->moduleTemplate = $GLOBALS['TBE_TEMPLATE']->getHtmlTemplate('templates/login.html');
 155
 156                 $GLOBALS['TBE_TEMPLATE']->getPageRenderer()->loadExtJS();
 157                 $GLOBALS['TBE_TEMPLATE']->getPageRenderer()->loadPrototype();
 158                 $GLOBALS['TBE_TEMPLATE']->getPageRenderer()->loadScriptaculous();
 159
 160                         // Set JavaScript for creating a MD5 hash of the password:
 161                 $GLOBALS['TBE_TEMPLATE']->JScode.= $this->getJScode();
 162
 163                         // Checking, if we should make a redirect.
 164                         // Might set JavaScript in the header to close window.
 165                 $this->checkRedirect();
 166
 167                         // Initialize interface selectors:
 168                 $this->makeInterfaceSelectorBox();
 169
 170                         // Creating form based on whether there is a login or not:
 171                 if (!$GLOBALS['BE_USER']->user['uid']) {
 172                         $GLOBALS['TBE_TEMPLATE']->form = $this->startForm();
 173                         $loginForm = $this->makeLoginForm();
 174                 } else {
 175                         $GLOBALS['TBE_TEMPLATE']->form = '
 176                                 <form action="index.php" method="post" name="loginform">
 177                                 <input type="hidden" name="login_status" value="logout" />
 178                                 ';
 179                         $loginForm = $this->makeLogoutForm();
 180                 }
 181
 182                         // Starting page:
 183                 $this->content .= $GLOBALS['TBE_TEMPLATE']->startPage('TYPO3 Login: ' . $GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename'], FALSE);
 184
 185                         // Add login form:
 186                 $this->content.=$this->wrapLoginForm($loginForm);
 187
 188                 $this->content.= $GLOBALS['TBE_TEMPLATE']->endPage();
 189         }
 190
 191         /**
 192          * Outputting the accumulated content to screen
 193          *
 194          * @return      void
 195          */
 196         function printContent() {
 197                 echo $this->content;
 198         }
 199
 200         /*****************************
 201          *
 202          * Various functions
 203          *
 204          ******************************/
 205
 206         /**
 207          * Creates the login form
 208          * This is drawn when NO login exists.
 209          *
 210          * @return      string          HTML output
 211          */
 212         function makeLoginForm()        {
 213                 $content = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###LOGIN_FORM###');
 214                 $markers = array(
 215                         'VALUE_USERNAME' => htmlspecialchars($this->u),
 216                         'VALUE_PASSWORD' => htmlspecialchars($this->p),
 217                         'VALUE_SUBMIT'   => $GLOBALS['LANG']->getLL('labels.submitLogin', TRUE),
 218                 );
 219
 220                         // show an error message if the login command was successful already, otherwise remove the subpart
 221                 if (!$this->isLoginInProgress()) {
 222                         $content = t3lib_parsehtml::substituteSubpart($content, '###LOGIN_ERROR###', '');
 223                 } else {
 224                         $markers['ERROR_MESSAGE'] = $GLOBALS['LANG']->getLL('error.login', TRUE);
 225                         $markers['ERROR_LOGIN_TITLE'] = $GLOBALS['LANG']->getLL('error.login.title', TRUE);
 226                         $markers['ERROR_LOGIN_DESCRIPTION'] = $GLOBALS['LANG']->getLL('error.login.description', TRUE);
 227                 }
 228
 229
 230                         // remove the interface selector markers if it's not available
 231                 if (!($this->interfaceSelector && !$this->loginRefresh)) {
 232                         $content = t3lib_parsehtml::substituteSubpart($content, '###INTERFACE_SELECTOR###', '');
 233                 } else {
 234                         $markers['LABEL_INTERFACE'] = $GLOBALS['LANG']->getLL('labels.interface', TRUE);
 235                         $markers['VALUE_INTERFACE'] = $this->interfaceSelector;
 236                 }
 237
 238                 return t3lib_parsehtml::substituteMarkerArray($content, $markers, '###|###');
 239         }
 240
 241
 242         /**
 243          * Creates the logout form
 244          * This is drawn if a user login already exists.
 245          *
 246          * @return      string          HTML output
 247          */
 248         function makeLogoutForm() {
 249                 $content = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###LOGOUT_FORM###');
 250                 $markers = array(
 251                         'LABEL_USERNAME' => $GLOBALS['LANG']->getLL('labels.username', TRUE),
 252                         'VALUE_USERNAME' => htmlspecialchars($GLOBALS['BE_USER']->user['username']),
 253                         'VALUE_SUBMIT'   => $GLOBALS['LANG']->getLL('labels.submitLogout', TRUE),
 254                 );
 255
 256                         // remove the interface selector markers if it's not available
 257                 if (!$this->interfaceSelector_jump) {
 258                         $content = t3lib_parsehtml::substituteSubpart($content, '###INTERFACE_SELECTOR###', '');
 259                 } else {
 260                         $markers['LABEL_INTERFACE'] = $GLOBALS['LANG']->getLL('labels.interface', TRUE);
 261                         $markers['VALUE_INTERFACE'] = $this->interfaceSelector_jump;
 262                 }
 263
 264                 return t3lib_parsehtml::substituteMarkerArray($content, $markers, '###|###');
 265         }
 266
 267
 268         /**
 269          * Wrapping the login form table in another set of tables etc:
 270          *
 271          * @param       string          HTML content for the login form
 272          * @return      string          The HTML for the page.
 273          */
 274         function wrapLoginForm($content) {
 275                 $mainContent = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###PAGE###');
 276
 277                 if ($GLOBALS['TBE_STYLES']['logo_login']) {
 278                         $logo = '<img src="'.htmlspecialchars($GLOBALS['BACK_PATH'] . $GLOBALS['TBE_STYLES']['logo_login']) . '" alt="" />';
 279                 } else {
 280                         $logo = '<img'.t3lib_iconWorks::skinImg($GLOBALS['BACK_PATH'],'gfx/typo3logo.gif','width="123" height="34"').' alt="" />';
 281                 }
 282
 283                 $browserWarning = t3lib_div::makeInstance(
 284                         't3lib_FlashMessage',
 285                                 // TODO: refactor if other old browsers are not supported anymore
 286                         $GLOBALS['LANG']->getLL('warning.incompatibleBrowser') . ' ' . $GLOBALS['LANG']->getLL('warning.incompatibleBrowserInternetExplorer'),
 287                         $GLOBALS['LANG']->getLL('warning.incompatibleBrowserHeadline'),
 288                         t3lib_FlashMessage::ERROR
 289                 );
 290                 $browserWarning = $browserWarning->render();
 291
 292                 $markers = array(
 293                         'LOGO'             => $logo,
 294                         'LOGINBOX_IMAGE'   => $this->makeLoginBoxImage(),
 295                         'FORM'             => $content,
 296                         'NEWS'             => $this->makeLoginNews(),
 297                         'COPYRIGHT'        => $this->makeCopyrightNotice(),
 298                         'CSS_ERRORCLASS'   => ($this->isLoginInProgress() ? ' class="error"' : ''),
 299                         'CSS_OPENIDCLASS'  => 't3-login-openid-' . (t3lib_extMgm::isLoaded('openid') ? 'enabled' : 'disabled'),
 300
 301                                 // the labels will be replaced later on, thus the other parts above
 302                                 // can use these markers as well and it will be replaced
 303                         'HEADLINE'         => $GLOBALS['LANG']->getLL('headline', TRUE),
 304                         'INFO_ABOUT'       => $GLOBALS['LANG']->getLL('info.about', TRUE),
 305                         'INFO_RELOAD'      => $GLOBALS['LANG']->getLL('info.reset', TRUE),
 306                         'INFO'             => $GLOBALS['LANG']->getLL('info.cookies_and_js', TRUE),
 307                         'WARNING_BROWSER_INCOMPATIBLE'  => $browserWarning,
 308                         'ERROR_JAVASCRIPT' => $GLOBALS['LANG']->getLL('error.javascript', TRUE),
 309                         'ERROR_COOKIES'    => $GLOBALS['LANG']->getLL('error.cookies', TRUE),
 310                         'ERROR_COOKIES_IGNORE' => $GLOBALS['LANG']->getLL('error.cookies_ignore', TRUE),
 311                         'ERROR_CAPSLOCK'   => $GLOBALS['LANG']->getLL('error.capslock', TRUE),
 312                         'ERROR_FURTHERHELP' => $GLOBALS['LANG']->getLL('error.furtherInformation', TRUE),
 313                         'LABEL_DONATELINK' => $GLOBALS['LANG']->getLL('labels.donate', TRUE),
 314                         'LABEL_USERNAME'   => $GLOBALS['LANG']->getLL('labels.username', TRUE),
 315                         'LABEL_OPENID'     => $GLOBALS['LANG']->getLL('labels.openId', TRUE),
 316                         'LABEL_PASSWORD'   => $GLOBALS['LANG']->getLL('labels.password', TRUE),
 317                         'LABEL_WHATISOPENID' => $GLOBALS['LANG']->getLL('labels.whatIsOpenId', TRUE),
 318                         'LABEL_SWITCHOPENID' => $GLOBALS['LANG']->getLL('labels.switchToOpenId', TRUE),
 319                         'LABEL_SWITCHDEFAULT' => $GLOBALS['LANG']->getLL('labels.switchToDefault', TRUE),
 320                         'CLEAR'            => $GLOBALS['LANG']->getLL('clear', TRUE),
 321                         'LOGIN_PROCESS'    => $GLOBALS['LANG']->getLL('login_process', TRUE),
 322                         'SITELINK'         => '<a href="/">###SITENAME###</a>',
 323
 324                                 // global variables will now be replaced (at last)
 325                         'SITENAME'         => htmlspecialchars($GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename'])
 326                 );
 327                 return t3lib_parsehtml::substituteMarkerArray($mainContent, $markers, '###|###');
 328         }
 329
 330
 331         /**
 332          * Checking, if we should perform some sort of redirection OR closing of windows.
 333          *
 334          * @return      void
 335          */
 336         function checkRedirect()        {
 337                         // Do redirect:
 338                         // If a user is logged in AND a) if either the login is just done (isLoginInProgress) or b) a loginRefresh is done or c) the interface-selector is NOT enabled (If it is on the other hand, it should not just load an interface, because people has to choose then...)
 339                 if ($GLOBALS['BE_USER']->user['uid'] && ($this->isLoginInProgress() || $this->loginRefresh || !$this->interfaceSelector))       {
 340
 341                                 // 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.
 342                         if (!$_COOKIE[t3lib_beUserAuth::getCookieName()]) {
 343                                 if ($this->commandLI=='setCookie') {
 344                                                 // we tried it a second time but still no cookie
 345                                                 // 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.
 346                                         throw new RuntimeException('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.', 1294586846);
 347                                 } else {
 348                                                 // try it once again - that might be needed for auto login
 349                                         $this->redirectToURL = 'index.php?commandLI=setCookie';
 350                                 }
 351                         }
 352
 353                         if (($redirectToURL = (string)$GLOBALS['BE_USER']->getTSConfigVal('auth.BE.redirectToURL'))) {
 354                                 $this->redirectToURL = $redirectToURL;
 355                                 $this->GPinterface = '';
 356                         }
 357
 358                                 // store interface
 359                         $GLOBALS['BE_USER']->uc['interfaceSetup'] = $this->GPinterface;
 360                         $GLOBALS['BE_USER']->writeUC();
 361
 362                                 // Based on specific setting of interface we set the redirect script:
 363                         switch ($this->GPinterface)     {
 364                                 case 'backend':
 365                                 case 'backend_old':
 366                                         $this->redirectToURL = 'backend.php';
 367                                 break;
 368                                 case 'frontend':
 369                                         $this->redirectToURL = '../';
 370                                 break;
 371                         }
 372
 373                         $formProtection = t3lib_formprotection_Factory::get();
 374                                 // If there is a redirect URL AND if loginRefresh is not set...
 375                         if (!$this->loginRefresh)       {
 376                                 $formProtection->storeSessionTokenInRegistry();
 377                                 t3lib_utility_Http::redirect($this->redirectToURL);
 378                         } else {
 379                                 $formProtection->setSessionTokenFromRegistry();
 380                                 $formProtection->persistSessionToken();
 381                                 $GLOBALS['TBE_TEMPLATE']->JScode.=$GLOBALS['TBE_TEMPLATE']->wrapScriptTags('
 382                                         if (parent.opener && (parent.opener.busy || parent.opener.TYPO3.loginRefresh)) {
 383                                                 if (parent.opener.TYPO3.loginRefresh) {
 384                                                         parent.opener.TYPO3.loginRefresh.startTimer();
 385                                                 } else {
 386                                                         parent.opener.busy.loginRefreshed();
 387                                                 }
 388                                                 parent.close();
 389                                         }
 390                                 ');
 391                         }
 392                 } elseif (!$GLOBALS['BE_USER']->user['uid'] && $this->isLoginInProgress()) {
 393                         sleep(5);       // Wrong password, wait for 5 seconds
 394                 }
 395         }
 396
 397         /**
 398          * Making interface selector:
 399          *
 400          * @return      void
 401          */
 402         function makeInterfaceSelectorBox()     {
 403                         // Reset variables:
 404                 $this->interfaceSelector = '';
 405                 $this->interfaceSelector_hidden='';
 406                 $this->interfaceSelector_jump = '';
 407
 408                         // If interfaces are defined AND no input redirect URL in GET vars:
 409                 if ($GLOBALS['TYPO3_CONF_VARS']['BE']['interfaces'] && ($this->isLoginInProgress() || !$this->redirect_url))    {
 410                         $parts = t3lib_div::trimExplode(',',$GLOBALS['TYPO3_CONF_VARS']['BE']['interfaces']);
 411                         if (count($parts)>1)    {       // Only if more than one interface is defined will we show the selector:
 412
 413                                         // Initialize:
 414                                 $labels=array();
 415
 416                                 $labels['backend']     = $GLOBALS['LANG']->getLL('interface.backend');
 417                                 $labels['backend_old'] = $GLOBALS['LANG']->getLL('interface.backend_old');
 418                                 $labels['frontend']    = $GLOBALS['LANG']->getLL('interface.frontend');
 419
 420                                 $jumpScript=array();
 421                                 $jumpScript['backend']     = 'backend.php';
 422                                 $jumpScript['backend_old'] = 'backend.php';
 423                                 $jumpScript['frontend']    = '../';
 424
 425                                         // Traverse the interface keys:
 426                                 foreach($parts as $valueStr)    {
 427                                         $this->interfaceSelector.='
 428                                                         <option value="'.htmlspecialchars($valueStr).'"'.(t3lib_div::_GP('interface')==htmlspecialchars($valueStr) ? ' selected="selected"' : '').'>'.htmlspecialchars($labels[$valueStr]).'</option>';
 429                                         $this->interfaceSelector_jump.='
 430                                                         <option value="'.htmlspecialchars($jumpScript[$valueStr]).'">'.htmlspecialchars($labels[$valueStr]).'</option>';
 431                                 }
 432                                 $this->interfaceSelector='
 433                                                 <select id="t3-interfaceselector" name="interface" class="c-interfaceselector" tabindex="3">'.$this->interfaceSelector.'
 434                                                 </select>';
 435                                 $this->interfaceSelector_jump='
 436                                                 <select id="t3-interfaceselector" name="interface" class="c-interfaceselector" tabindex="3" onchange="window.location.href=this.options[this.selectedIndex].value;">'.$this->interfaceSelector_jump.'
 437                                                 </select>';
 438
 439                         } elseif (!$this->redirect_url) {
 440                                         // If there is only ONE interface value set and no redirect_url is present:
 441                                 $this->interfaceSelector_hidden='<input type="hidden" name="interface" value="'.trim($GLOBALS['TYPO3_CONF_VARS']['BE']['interfaces']).'" />';
 442                         }
 443                 }
 444         }
 445
 446         /**
 447          * COPYRIGHT notice
 448          *
 449          * Warning:
 450          * DO NOT prevent this notice from being shown in ANY WAY.
 451          * 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)
 452          * 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.
 453          *
 454          * @return      string          Text/Image (HTML) for copyright notice.
 455          */
 456         function makeCopyrightNotice()  {
 457
 458                         // Get values from TYPO3_CONF_VARS:
 459                 $loginCopyrightWarrantyProvider = strip_tags(trim($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightWarrantyProvider']));
 460                 $loginCopyrightWarrantyURL = strip_tags(trim($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightWarrantyURL']));
 461                 $loginImageSmall = (trim($GLOBALS['TBE_STYLES']['loginBoxImageSmall'])) ? trim($GLOBALS['TBE_STYLES']['loginBoxImageSmall']) : 'gfx/loginlogo_transp.gif';
 462
 463                         // Make warranty note:
 464                 if (strlen($loginCopyrightWarrantyProvider)>=2 && strlen($loginCopyrightWarrantyURL)>=10)       {
 465                         $warrantyNote = sprintf($GLOBALS['LANG']->getLL('warranty.by'), htmlspecialchars($loginCopyrightWarrantyProvider), '<a href="' . htmlspecialchars($loginCopyrightWarrantyURL) . '" target="_blank">', '</a>');
 466                 } else {
 467                         $warrantyNote = sprintf($GLOBALS['LANG']->getLL('no.warranty'), '<a href="' . TYPO3_URL_LICENSE . '" target="_blank">', '</a>');
 468                 }
 469
 470                         // Compile full copyright notice:
 471                 $copyrightNotice = '<a href="' . TYPO3_URL_GENERAL . '" target="_blank">'.
 472                                         '<img src="' . $loginImageSmall . '" alt="' . $GLOBALS['LANG']->getLL('typo3.logo') . '" align="left" />' .
 473                                         $GLOBALS['LANG']->getLL('typo3.cms') . ($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightShowVersion']?' ' . $GLOBALS['LANG']->getLL('version.short') . ' ' . htmlspecialchars(TYPO3_version):'') .
 474                                         '</a>. ' .
 475                                         $GLOBALS['LANG']->getLL('copyright') . ' &copy; ' . TYPO3_copyright_year . ' Kasper Sk&#229;rh&#248;j. ' . $GLOBALS['LANG']->getLL('extension.copyright') . ' ' .
 476                                         sprintf($GLOBALS['LANG']->getLL('details.link'), '<a href="' . TYPO3_URL_GENERAL . '" target="_blank">' . TYPO3_URL_GENERAL . '</a>') . '<br /> ' .
 477                                         $warrantyNote . ' ' .
 478                                         sprintf($GLOBALS['LANG']->getLL('free.software'), '<a href="' . TYPO3_URL_LICENSE . '" target="_blank">', '</a> ') .
 479                                         $GLOBALS['LANG']->getLL('keep.notice');
 480
 481                         // Return notice:
 482                 return $copyrightNotice;
 483         }
 484
 485         /**
 486          * Returns the login box image, whether the default or an image from the rotation folder.
 487          *
 488          * @return      string          HTML image tag.
 489          */
 490         function makeLoginBoxImage()    {
 491                 $loginboxImage = '';
 492                 if ($GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder'])     {               // Look for rotation image folder:
 493                         $absPath = t3lib_div::resolveBackPath(PATH_typo3.$GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder']);
 494
 495                                 // Get rotation folder:
 496                         $dir = t3lib_div::getFileAbsFileName($absPath);
 497                         if ($dir && @is_dir($dir))      {
 498
 499                                         // Get files for rotation into array:
 500                                 $files = t3lib_div::getFilesInDir($dir,'png,jpg,gif');
 501
 502                                         // Pick random file:
 503                                 $randImg = array_rand($files, 1);
 504
 505                                         // Get size of random file:
 506                                 $imgSize = @getimagesize($dir.$files[$randImg]);
 507
 508                                 $imgAuthor = is_array($GLOBALS['TBE_STYLES']['loginBoxImage_author'])&&$GLOBALS['TBE_STYLES']['loginBoxImage_author'][$files[$randImg]] ? htmlspecialchars($GLOBALS['TBE_STYLES']['loginBoxImage_author'][$files[$randImg]]) : '';
 509
 510                                         // Create image tag:
 511                                 if (is_array($imgSize)) {
 512                                         $loginboxImage = '<img src="'.htmlspecialchars($GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder'].$files[$randImg]).'" '.$imgSize[3].' id="loginbox-image" alt="'.$imgAuthor.'" title="'.$imgAuthor.'" />';
 513                                 }
 514                         }
 515                 } else {        // If no rotation folder configured, print default image:
 516
 517                         if (strstr(TYPO3_version,'-dev'))       {       // development version
 518                                 $loginImage = 'loginbox_image_dev.png';
 519                                 $imagecopy = 'You are running a development version of TYPO3 '.TYPO3_branch;
 520                         } else {
 521                                 $loginImage = 'loginbox_image.jpg';
 522                                 $imagecopy = 'Photo by J.C. Franca (www.digitalphoto.com.br)';
 523                         }
 524                         $loginboxImage = '<img'.t3lib_iconWorks::skinImg($GLOBALS['BACK_PATH'],'gfx/'.$loginImage,'width="200" height="133"').' id="loginbox-image" alt="'.$imagecopy.'" title="'.$imagecopy.'" />';
 525                 }
 526
 527                         // Return image tag:
 528                 return $loginboxImage;
 529         }
 530
 531         /**
 532          * Make login news - renders the HTML content for a list of news shown under
 533          * the login form. News data is added through $GLOBALS['TYPO3_CONF_VARS']
 534          *
 535          * @return string HTML content
 536          * @credits Idea by Jan-Hendrik Heuing
 537          */
 538         function makeLoginNews() {
 539                 $newsContent = '';
 540
 541                 $systemNews = $this->getSystemNews();
 542
 543                         // Traverse news array IF there are records in it:
 544                 if (is_array($systemNews) && count($systemNews) && !t3lib_div::_GP('loginRefresh')) {
 545                         $htmlParser = t3lib_div::makeInstance('t3lib_parsehtml_proc');
 546                                 // get the main news template, and replace the subpart after looped through
 547                         $newsContent      = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###LOGIN_NEWS###');
 548                         $newsItemTemplate = t3lib_parsehtml::getSubpart($newsContent, '###NEWS_ITEM###');
 549
 550                         $newsItem = '';
 551                         $count = 1;
 552                         foreach ($systemNews as $newsItemData) {
 553                                 $additionalClass = '';
 554                                 if ($count == 1) {
 555                                         $additionalClass = ' first-item';
 556                                 } elseif($count == count($systemNews)) {
 557                                         $additionalClass = ' last-item';
 558                                 }
 559
 560                                 $newsItemContent = $htmlParser->TS_transform_rte($htmlParser->TS_links_rte($newsItemData['content']));
 561                                 $newsItemMarker = array(
 562                                         '###HEADER###'  => htmlspecialchars($newsItemData['header']),
 563                                         '###DATE###'    => htmlspecialchars($newsItemData['date']),
 564                                         '###CONTENT###' => $newsItemContent,
 565                                         '###CLASS###'   => $additionalClass
 566                                 );
 567
 568                                 $count++;
 569                                 $newsItem .= t3lib_parsehtml::substituteMarkerArray($newsItemTemplate, $newsItemMarker);
 570                         }
 571
 572                         $title = ($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNewsTitle'] ? $GLOBALS['TYPO3_CONF_VARS']['BE']['loginNewsTitle'] : $GLOBALS['LANG']->getLL('newsheadline'));
 573
 574                         $newsContent = t3lib_parsehtml::substituteMarker($newsContent,  '###NEWS_HEADLINE###', htmlspecialchars($title));
 575                         $newsContent = t3lib_parsehtml::substituteSubpart($newsContent, '###NEWS_ITEM###', $newsItem);
 576                 }
 577
 578                 return $newsContent;
 579         }
 580
 581         /**
 582          * Gets news from sys_news and converts them into a format suitable for
 583          * showing them at the login screen.
 584          *
 585          * @return      array   An array of login news.
 586          */
 587         protected function getSystemNews() {
 588                 $systemNewsTable = 'sys_news';
 589                 $systemNews      = array();
 590
 591                 $systemNewsRecords = $GLOBALS['TYPO3_DB']->exec_SELECTgetRows(
 592                         'title, content, crdate',
 593                         $systemNewsTable,
 594                         '1=1' .
 595                                 t3lib_BEfunc::BEenableFields($systemNewsTable) .
 596                                 t3lib_BEfunc::deleteClause($systemNewsTable),
 597                         '',
 598                         'crdate DESC'
 599                 );
 600
 601                 foreach ($systemNewsRecords as $systemNewsRecord) {
 602                         $systemNews[] = array(
 603                                 'date'    => date(
 604                                         $GLOBALS['TYPO3_CONF_VARS']['SYS']['ddmmyy'],
 605                                         $systemNewsRecord['crdate']
 606                                 ),
 607                                 'header'  => $systemNewsRecord['title'],
 608                                 'content' => $systemNewsRecord['content']
 609                         );
 610                 }
 611
 612                 return $systemNews;
 613         }
 614
 615         /**
 616          * Returns the form tag
 617          *
 618          * @return      string          Opening form tag string
 619          */
 620         function startForm()    {
 621                 $output = '';
 622
 623                 // The form defaults to 'no login'. This prevents plain
 624                 // text logins to the Backend. The 'sv' extension changes the form to
 625                 // use superchallenged method and rsaauth extension makes rsa authetication.
 626                 $form = '<form action="index.php" method="post" name="loginform" ' .
 627                                 'onsubmit="alert(\'No authentication methods available. Please, ' .
 628                                 'contact your TYPO3 administrator.\');return false">';
 629
 630                 // Call hooks. If they do not return anything, we fail to login
 631                 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/index.php']['loginFormHook'])) {
 632                         foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/index.php']['loginFormHook'] as $function) {
 633                                 $params = array();
 634                                 $formCode = t3lib_div::callUserFunction($function, $params, $this);
 635                                 if ($formCode) {
 636                                         $form = $formCode;
 637                                         break;
 638                                 }
 639                         }
 640                 }
 641
 642                 $output .= $form .
 643                         '<input type="hidden" name="login_status" value="login" />' .
 644                         '<input type="hidden" name="userident" value="" />' .
 645                         '<input type="hidden" name="redirect_url" value="'.htmlspecialchars($this->redirectToURL).'" />' .
 646                         '<input type="hidden" name="loginRefresh" value="'.htmlspecialchars($this->loginRefresh).'" />' .
 647                         $this->interfaceSelector_hidden . $this->addFields_hidden;
 648
 649                 return $output;
 650         }
 651
 652         /**
 653          * Creates JavaScript for the login form
 654          *
 655          * @return      string          JavaScript code
 656          */
 657         function getJScode()    {
 658                 $JSCode = '';
 659                 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/index.php']['loginScriptHook'])) {
 660                         foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/index.php']['loginScriptHook'] as $function) {
 661                                 $params = array();
 662                                 $JSCode = t3lib_div::callUserFunction($function, $params, $this);
 663                                 if ($JSCode) {
 664                                         break;
 665                                 }
 666                         }
 667                 }
 668                 $JSCode .= $GLOBALS['TBE_TEMPLATE']->wrapScriptTags('
 669                         function startUp() {
 670                                         // 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:
 671                                 try {
 672                                         if (parent.opener && parent.opener.TS && parent.opener.TS.username && document.loginform && document.loginform.username)        {
 673                                                 document.loginform.username.value = parent.opener.TS.username;
 674                                         }
 675                                 }
 676                                 catch(error) {
 677                                         //continue
 678                                 }
 679
 680                                         // Wait a few millisecons before calling checkFocus(). This might be necessary because some browsers need some time to auto-fill in the form fields
 681                                 window.setTimeout("checkFocus()", 50);
 682                         }
 683
 684                                 // This moves focus to the right input field:
 685                         function checkFocus() {
 686                                         // If for some reason there already is a username in the username form field, move focus to the password field:
 687                                 if (document.loginform.username && document.loginform.username.value == "") {
 688                                         document.loginform.username.focus();
 689                                 } else if (document.loginform.p_field && document.loginform.p_field.type!="hidden") {
 690                                         document.loginform.p_field.focus();
 691                                 }
 692                         }
 693
 694                                 // This function shows a warning, if user has capslock enabled
 695                                 // parameter showWarning: shows warning if TRUE and capslock active, otherwise only hides warning, if capslock gets inactive
 696                         function checkCapslock(e, showWarning) {
 697                                 if (!isCapslock(e)) {
 698                                         document.getElementById(\'t3-capslock\').style.display = \'none\';
 699                                 } else if (showWarning) {
 700                                         document.getElementById(\'t3-capslock\').style.display = \'block\';
 701                                 }
 702                         }
 703
 704                                 // Checks weather capslock is enabled (returns TRUE if enabled, false otherwise)
 705                                 // thanks to http://24ways.org/2007/capturing-caps-lock
 706
 707                         function isCapslock(e) {
 708                                 var ev = e ? e : window.event;
 709                                 if (!ev) {
 710                                         return;
 711                                 }
 712                                 var targ = ev.target ? ev.target : ev.srcElement;
 713                                 // get key pressed
 714                                 var which = -1;
 715                                 if (ev.which) {
 716                                         which = ev.which;
 717                                 } else if (ev.keyCode) {
 718                                         which = ev.keyCode;
 719                                 }
 720                                 // get shift status
 721                                 var shift_status = false;
 722                                 if (ev.shiftKey) {
 723                                         shift_status = ev.shiftKey;
 724                                 } else if (ev.modifiers) {
 725                                         shift_status = !!(ev.modifiers & 4);
 726                                 }
 727                                 return (((which >= 65 && which <= 90) && !shift_status) ||
 728                                         ((which >= 97 && which <= 122) && shift_status));
 729                         }
 730
 731                                 // prevent opening the login form in the backend frameset
 732                         if (top.location.href != self.location.href) {
 733                                 top.location.href = self.location.href;
 734                         }
 735
 736                         ');
 737
 738                 return $JSCode;
 739         }
 740
 741         /**
 742          * Checks if login credentials are currently submitted
 743          *
 744          * @return      boolean
 745          */
 746         protected function isLoginInProgress() {
 747                 $username = t3lib_div::_GP('username');
 748                 return !(empty($username) && empty($this->commandLI));
 749         }
 750 }
 751
 752 // Make instance:
 753 $SOBE = t3lib_div::makeInstance('SC_index');
 754 $SOBE->init();
 755 $SOBE->main();
 756 $SOBE->printContent();
 757
 758 ?>