Fixed bug #14243: some notices, undefined index in tslib_fe.php (Thanks to Martin...
[Packages/TYPO3.CMS.git] / typo3 / index.php
1 <?php
2 /***************************************************************
3 * Copyright notice
4 *
5 * (c) 1999-2009 Kasper Skaarhoj (kasperYYYY@typo3.com)
6 * All rights reserved
7 *
8 * This script is part of the TYPO3 project. The TYPO3 project is
9 * free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * The GNU General Public License can be found at
15 * http://www.gnu.org/copyleft/gpl.html.
16 * A copy is found in the textfile GPL.txt and important notices to the license
17 * from the author is found in LICENSE.txt distributed with these scripts.
18 *
19 *
20 * This script is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * This copyright notice MUST APPEAR in all copies of the script!
26 ***************************************************************/
27 /**
28 * Login-screen of TYPO3.
29 *
30 * $Id$
31 * Revised for TYPO3 3.6 December/2003 by Kasper Skaarhoj
32 * XHTML compliant
33 *
34 * @author Kasper Skaarhoj <kasperYYYY@typo3.com>
35 */
36 /**
37 * [CLASS/FUNCTION INDEX of SCRIPT]
38 *
39 *
40 *
41 * 87: class SC_index
42 * 120: function init()
43 * 159: function main()
44 * 268: function printContent()
45 *
46 * SECTION: Various functions
47 * 292: function makeLoginForm()
48 * 337: function makeLogoutForm()
49 * 379: function wrapLoginForm($content)
50 * 438: function checkRedirect()
51 * 495: function makeInterfaceSelectorBox()
52 * 549: function makeCopyrightNotice()
53 * 582: function makeLoginBoxImage()
54 * 622: function makeLoginNews()
55 *
56 * TOTAL FUNCTIONS: 11
57 * (This index is automatically created/updated by the extension "extdeveval")
58 *
59 */
60
61
62 define('TYPO3_PROCEED_IF_NO_USER', 1);
63 require('init.php');
64 require('template.php');
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80 /**
81 * Script Class for rendering the login form
82 *
83 * @author Kasper Skaarhoj <kasperYYYY@typo3.com>
84 * @package TYPO3
85 * @subpackage core
86 */
87 class SC_index {
88
89 // Internal, GPvars:
90 var $redirect_url; // GPvar: redirect_url; The URL to redirect to after login.
91 var $GPinterface; // GPvar: Defines which interface to load (from interface selector)
92 var $u; // GPvar: preset username
93 var $p; // GPvar: preset password
94 var $L; // GPvar: If "L" is "OUT", then any logged in used is logged out. If redirect_url is given, we redirect to it
95 var $loginRefresh; // Login-refresh boolean; The backend will call this script with this value set when the login is close to being expired and the form needs to be redrawn.
96 var $commandLI; // Value of forms submit button for login.
97
98 // Internal, static:
99 var $redirectToURL; // Set to the redirect URL of the form (may be redirect_url or "backend.php")
100
101 // Internal, dynamic:
102 var $content; // Content accumulation
103
104 var $interfaceSelector; // A selector box for selecting value for "interface" may be rendered into this variable
105 var $interfaceSelector_jump; // A selector box for selecting value for "interface" may be rendered into this variable - this will have an onchange action which will redirect the user to the selected interface right away
106 var $interfaceSelector_hidden; // A hidden field, if the interface is not set.
107 var $addFields_hidden = ''; // Additional hidden fields to be placed at the login form
108
109 // sets the level of security. *'normal' = clear-text. 'challenged' = hashed password/username from form in $formfield_uident. 'superchallenged' = hashed password hashed again with username.
110 var $loginSecurityLevel = 'superchallenged';
111
112
113
114
115 /**
116 * Initialize the login box. Will also react on a &L=OUT flag and exit.
117 *
118 * @return void
119 */
120 function init() {
121 // We need a PHP session session for most login levels
122 session_start();
123
124 $this->redirect_url = t3lib_div::_GP('redirect_url');
125 $this->GPinterface = t3lib_div::_GP('interface');
126
127 // Grabbing preset username and password, for security reasons this feature only works if SSL is used
128 if (t3lib_div::getIndpEnv('TYPO3_SSL')) {
129 $this->u = t3lib_div::_GP('u');
130 $this->p = t3lib_div::_GP('p');
131 }
132
133 // If "L" is "OUT", then any logged in is logged out. If redirect_url is given, we redirect to it
134 $this->L = t3lib_div::_GP('L');
135
136 // Login
137 $this->loginRefresh = t3lib_div::_GP('loginRefresh');
138
139 // Value of "Login" button. If set, the login button was pressed.
140 $this->commandLI = t3lib_div::_GP('commandLI');
141
142 // sets the level of security from conf vars
143 if ($GLOBALS['TYPO3_CONF_VARS']['BE']['loginSecurityLevel']) {
144 $this->loginSecurityLevel = $GLOBALS['TYPO3_CONF_VARS']['BE']['loginSecurityLevel'];
145 }
146
147 // try to get the preferred browser language
148 $preferredBrowserLanguage = $GLOBALS['LANG']->csConvObj->getPreferredClientLanguage(t3lib_div::getIndpEnv('HTTP_ACCEPT_LANGUAGE'));
149 // if we found a $preferredBrowserLanguage and it is not the default language and no be_user is logged in
150 // initialize $GLOBALS['LANG'] again with $preferredBrowserLanguage
151 if ($preferredBrowserLanguage != 'default' && !$GLOBALS['BE_USER']->user['uid']) {
152 $GLOBALS['LANG']->init($preferredBrowserLanguage);
153 }
154 $GLOBALS['LANG']->includeLLFile('EXT:lang/locallang_login.xml');
155
156 // check if labels from $GLOBALS['TYPO3_CONF_VARS']['BE']['loginLabels'] were changed,
157 // and merge them to $GLOBALS['LOCAL_LANG'] if needed
158 $this->mergeOldLoginLabels();
159
160 // Setting the redirect URL to "backend.php" if no alternative input is given
161 $this->redirectToURL = ($this->redirect_url ? $this->redirect_url : 'backend.php');
162
163
164 // Do a logout if the command is set
165 if ($this->L == 'OUT' && is_object($GLOBALS['BE_USER'])) {
166 $GLOBALS['BE_USER']->logoff();
167 if ($this->redirect_url) {
168 t3lib_utility_Http::redirect($this->redirect_url);
169 }
170 exit;
171 }
172 }
173
174
175 /**
176 * Main function - creating the login/logout form
177 *
178 * @return void
179 */
180 function main() {
181 global $TBE_TEMPLATE, $TYPO3_CONF_VARS, $BE_USER;
182
183 // Initialize template object:
184 $TBE_TEMPLATE->bodyTagAdditions = ' onload="startUp();"';
185 $TBE_TEMPLATE->moduleTemplate = $TBE_TEMPLATE->getHtmlTemplate('templates/login.html');
186
187 // Set JavaScript for creating a MD5 hash of the password:
188 $TBE_TEMPLATE->JScode.= $this->getJScode();
189
190 // Checking, if we should make a redirect.
191 // Might set JavaScript in the header to close window.
192 $this->checkRedirect();
193
194 // Initialize interface selectors:
195 $this->makeInterfaceSelectorBox();
196
197 // Creating form based on whether there is a login or not:
198 if (!$BE_USER->user['uid']) {
199 $TBE_TEMPLATE->form = $this->startForm();
200 $loginForm = $this->makeLoginForm();
201 } else {
202 $TBE_TEMPLATE->form = '
203 <form action="index.php" method="post" name="loginform">
204 <input type="hidden" name="login_status" value="logout" />
205 ';
206 $loginForm = $this->makeLogoutForm();
207 }
208
209 // Starting page:
210 $this->content.=$TBE_TEMPLATE->startPage('TYPO3 Login: '.$TYPO3_CONF_VARS['SYS']['sitename']);
211
212 // Add login form:
213 $this->content.=$this->wrapLoginForm($loginForm);
214
215 $this->content.= $TBE_TEMPLATE->endPage();
216 }
217
218 /**
219 * Outputting the accumulated content to screen
220 *
221 * @return void
222 */
223 function printContent() {
224 echo $this->content;
225 }
226
227 /*****************************
228 *
229 * Various functions
230 *
231 ******************************/
232
233 /**
234 * Creates the login form
235 * This is drawn when NO login exists.
236 *
237 * @return string HTML output
238 */
239 function makeLoginForm() {
240 $content = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###LOGIN_FORM###');
241 $markers = array(
242 'VALUE_USERNAME' => htmlspecialchars($this->u),
243 'VALUE_PASSWORD' => htmlspecialchars($this->p),
244 'VALUE_SUBMIT' => $GLOBALS['LANG']->getLL('labels.submitLogin', true),
245 );
246
247 // show an error message if the login command was successful already, otherwise remove the subpart
248 if (!$this->commandLI) {
249 $content = t3lib_parsehtml::substituteSubpart($content, '###LOGIN_ERROR###', '');
250 } else {
251 $markers['ERROR_MESSAGE'] = $GLOBALS['LANG']->getLL('error.login', true);
252 $markers['ERROR_LOGIN_TITLE'] = $GLOBALS['LANG']->getLL('error.login.title', true);
253 $markers['ERROR_LOGIN_DESCRIPTION'] = $GLOBALS['LANG']->getLL('error.login.description', true);
254 }
255
256
257 // remove the interface selector markers if it's not available
258 if (!($this->interfaceSelector && !$this->loginRefresh)) {
259 $content = t3lib_parsehtml::substituteSubpart($content, '###INTERFACE_SELECTOR###', '');
260 } else {
261 $markers['LABEL_INTERFACE'] = $GLOBALS['LANG']->getLL('labels.interface', true);
262 $markers['VALUE_INTERFACE'] = $this->interfaceSelector;
263 }
264
265 return t3lib_parsehtml::substituteMarkerArray($content, $markers, '###|###');
266 }
267
268
269 /**
270 * Creates the logout form
271 * This is drawn if a user login already exists.
272 *
273 * @return string HTML output
274 */
275 function makeLogoutForm() {
276 $content = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###LOGOUT_FORM###');
277 $markers = array(
278 'LABEL_USERNAME' => $GLOBALS['LANG']->getLL('labels.username', true),
279 'VALUE_USERNAME' => htmlspecialchars($GLOBALS['BE_USER']->user['username']),
280 'VALUE_SUBMIT' => $GLOBALS['LANG']->getLL('labels.submitLogout', true),
281 );
282
283 // remove the interface selector markers if it's not available
284 if (!$this->interfaceSelector_jump) {
285 $content = t3lib_parsehtml::substituteSubpart($content, '###INTERFACE_SELECTOR###', '');
286 } else {
287 $markers['LABEL_INTERFACE'] = $GLOBALS['LANG']->getLL('labels.interface', true);
288 $markers['VALUE_INTERFACE'] = $this->interfaceSelector_jump;
289 }
290
291 return t3lib_parsehtml::substituteMarkerArray($content, $markers, '###|###');
292 }
293
294
295 /**
296 * Wrapping the login form table in another set of tables etc:
297 *
298 * @param string HTML content for the login form
299 * @return string The HTML for the page.
300 */
301 function wrapLoginForm($content) {
302 $mainContent = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###PAGE###');
303
304 if ($GLOBALS['TBE_STYLES']['logo_login']) {
305 $logo = '<img src="'.htmlspecialchars($GLOBALS['BACK_PATH'] . $GLOBALS['TBE_STYLES']['logo_login']) . '" alt="" />';
306 } else {
307 $logo = '<img'.t3lib_iconWorks::skinImg($GLOBALS['BACK_PATH'],'gfx/typo3logo.gif','width="123" height="34"').' alt="" />';
308 }
309
310 $markers = array(
311 'LOGO' => $logo,
312 'LOGINBOX_IMAGE' => $this->makeLoginBoxImage(),
313 'FORM' => $content,
314 'NEWS' => $this->makeLoginNews(),
315 'COPYRIGHT' => $this->makeCopyrightNotice(),
316 'CSS_ERRORCLASS' => ($this->commandLI ? ' class="error"' : ''),
317 'CSS_OPENIDCLASS' => 't3-login-openid-' . (t3lib_extMgm::isLoaded('openid') ? 'enabled' : 'disabled'),
318
319 // the labels will be replaced later on, thus the other parts above
320 // can use these markers as well and it will be replaced
321 'HEADLINE' => $GLOBALS['LANG']->getLL('headline', true),
322 'INFO_ABOUT' => $GLOBALS['LANG']->getLL('info.about', true),
323 'INFO_RELOAD' => $GLOBALS['LANG']->getLL('info.reset', true),
324 'INFO' => $GLOBALS['LANG']->getLL('info.cookies_and_js', true),
325 'ERROR_JAVASCRIPT' => $GLOBALS['LANG']->getLL('error.javascript', true),
326 'ERROR_COOKIES' => $GLOBALS['LANG']->getLL('error.cookies', true),
327 'ERROR_COOKIES_IGNORE' => $GLOBALS['LANG']->getLL('error.cookies_ignore', true),
328 'ERROR_CAPSLOCK' => $GLOBALS['LANG']->getLL('error.capslock', true),
329 'ERROR_FURTHERHELP' => $GLOBALS['LANG']->getLL('error.furtherInformation', true),
330 'LABEL_DONATELINK' => $GLOBALS['LANG']->getLL('labels.donate', true),
331 'LABEL_USERNAME' => $GLOBALS['LANG']->getLL('labels.username', true),
332 'LABEL_OPENID' => $GLOBALS['LANG']->getLL('labels.openId', true),
333 'LABEL_PASSWORD' => $GLOBALS['LANG']->getLL('labels.password', true),
334 'LABEL_WHATISOPENID' => $GLOBALS['LANG']->getLL('labels.whatIsOpenId', true),
335 'LABEL_SWITCHOPENID' => $GLOBALS['LANG']->getLL('labels.switchToOpenId', true),
336 'LABEL_SWITCHDEFAULT' => $GLOBALS['LANG']->getLL('labels.switchToDefault', true),
337 'CLEAR' => $GLOBALS['LANG']->getLL('clear', true),
338 'LOGIN_PROCESS' => $GLOBALS['LANG']->getLL('login_process', true),
339 'SITELINK' => '<a href="/">###SITENAME###</a>',
340
341 // global variables will now be replaced (at last)
342 'SITENAME' => $GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename']
343 );
344 return t3lib_parsehtml::substituteMarkerArray($mainContent, $markers, '###|###');
345 }
346
347
348 /**
349 * Checking, if we should perform some sort of redirection OR closing of windows.
350 *
351 * @return void
352 */
353 function checkRedirect() {
354 global $BE_USER,$TBE_TEMPLATE;
355
356 // Do redirect:
357 // 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...)
358 if ($BE_USER->user['uid'] && ($this->commandLI || $this->loginRefresh || !$this->interfaceSelector)) {
359
360 // 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.
361 if (!$_COOKIE[$BE_USER->name]) {
362 if ($this->commandLI=='setCookie') {
363 // we tried it a second time but still no cookie
364 // 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.
365 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);
366 exit;
367 } else {
368 // try it once again - that might be needed for auto login
369 $this->redirectToURL = 'index.php?commandLI=setCookie';
370 }
371 }
372
373 if (($redirectToURL = (string)$BE_USER->getTSConfigVal('auth.BE.redirectToURL'))) {
374 $this->redirectToURL = $redirectToURL;
375 $this->GPinterface = '';
376 }
377
378 // store interface
379 $BE_USER->uc['interfaceSetup'] = $this->GPinterface;
380 $BE_USER->writeUC();
381
382 // Based on specific setting of interface we set the redirect script:
383 switch ($this->GPinterface) {
384 case 'backend':
385 $this->redirectToURL = 'backend.php';
386 break;
387 case 'backend_old':
388 $this->redirectToURL = 'alt_main.php';
389 break;
390 case 'frontend':
391 $this->redirectToURL = '../';
392 break;
393 }
394
395 // If there is a redirect URL AND if loginRefresh is not set...
396 if (!$this->loginRefresh) {
397 t3lib_utility_Http::redirect($this->redirectToURL);
398 } else {
399 $TBE_TEMPLATE->JScode.=$TBE_TEMPLATE->wrapScriptTags('
400 if (parent.opener && (parent.opener.busy || parent.opener.TYPO3.loginRefresh)) {
401 if (parent.opener.TYPO3.loginRefresh) {
402 parent.opener.TYPO3.loginRefresh.startTimer();
403 } else {
404 parent.opener.busy.loginRefreshed();
405 }
406 parent.close();
407 }
408 ');
409 }
410 } elseif (!$BE_USER->user['uid'] && $this->commandLI) {
411 sleep(5); // Wrong password, wait for 5 seconds
412 }
413 }
414
415 /**
416 * Making interface selector:
417 *
418 * @return void
419 */
420 function makeInterfaceSelectorBox() {
421 global $TYPO3_CONF_VARS;
422
423 // Reset variables:
424 $this->interfaceSelector = '';
425 $this->interfaceSelector_hidden='';
426 $this->interfaceSelector_jump = '';
427
428 // If interfaces are defined AND no input redirect URL in GET vars:
429 if ($TYPO3_CONF_VARS['BE']['interfaces'] && ($this->commandLI || !$this->redirect_url)) {
430 $parts = t3lib_div::trimExplode(',',$TYPO3_CONF_VARS['BE']['interfaces']);
431 if (count($parts)>1) { // Only if more than one interface is defined will we show the selector:
432
433 // Initialize:
434 $labels=array();
435
436 $labels['backend'] = $GLOBALS['LANG']->getLL('interface.backend');
437 $labels['backend_old'] = $GLOBALS['LANG']->getLL('interface.backend_old');
438 $labels['frontend'] = $GLOBALS['LANG']->getLL('interface.frontend');
439
440 $jumpScript=array();
441 $jumpScript['backend'] = 'backend.php';
442 $jumpScript['backend_old'] = 'alt_main.php';
443 $jumpScript['frontend'] = '../';
444
445 // Traverse the interface keys:
446 foreach($parts as $valueStr) {
447 $this->interfaceSelector.='
448 <option value="'.htmlspecialchars($valueStr).'"'.(t3lib_div::_GP('interface')==htmlspecialchars($valueStr) ? ' selected="selected"' : '').'>'.htmlspecialchars($labels[$valueStr]).'</option>';
449 $this->interfaceSelector_jump.='
450 <option value="'.htmlspecialchars($jumpScript[$valueStr]).'">'.htmlspecialchars($labels[$valueStr]).'</option>';
451 }
452 $this->interfaceSelector='
453 <select id="t3-interfaceselector" name="interface" class="c-interfaceselector" tabindex="3">'.$this->interfaceSelector.'
454 </select>';
455 $this->interfaceSelector_jump='
456 <select id="t3-interfaceselector" name="interface" class="c-interfaceselector" tabindex="3" onchange="window.location.href=this.options[this.selectedIndex].value;">'.$this->interfaceSelector_jump.'
457 </select>';
458
459 } else { // If there is only ONE interface value set:
460
461 $this->interfaceSelector_hidden='<input type="hidden" name="interface" value="'.trim($TYPO3_CONF_VARS['BE']['interfaces']).'" />';
462 }
463 }
464 }
465
466 /**
467 * COPYRIGHT notice
468 *
469 * Warning:
470 * DO NOT prevent this notice from being shown in ANY WAY.
471 * 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)
472 * 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.
473 *
474 * @return string Text/Image (HTML) for copyright notice.
475 */
476 function makeCopyrightNotice() {
477
478 // Get values from TYPO3_CONF_VARS:
479 $loginCopyrightWarrantyProvider = strip_tags(trim($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightWarrantyProvider']));
480 $loginCopyrightWarrantyURL = strip_tags(trim($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightWarrantyURL']));
481 $loginImageSmall = (trim($GLOBALS['TBE_STYLES']['loginBoxImageSmall'])) ? trim($GLOBALS['TBE_STYLES']['loginBoxImageSmall']) : 'gfx/loginlogo_transp.gif';
482
483 // Make warranty note:
484 if (strlen($loginCopyrightWarrantyProvider)>=2 && strlen($loginCopyrightWarrantyURL)>=10) {
485 $warrantyNote = sprintf($GLOBALS['LANG']->getLL('warranty.by'), htmlspecialchars($loginCopyrightWarrantyProvider), '<a href="' . htmlspecialchars($loginCopyrightWarrantyURL) . '" target="_blank">', '</a>');
486 } else {
487 $warrantyNote = sprintf($GLOBALS['LANG']->getLL('no.warranty'), '<a href="http://typo3.com/1316.0.html" target="_blank">', '</a>');
488 }
489
490 // Compile full copyright notice:
491 $copyrightNotice = '<a href="http://typo3.com/" target="_blank">'.
492 '<img src="' . $loginImageSmall . '" alt="' . $GLOBALS['LANG']->getLL('typo3.logo') . '" align="left" />' .
493 $GLOBALS['LANG']->getLL('typo3.cms') . ($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightShowVersion']?' ' . $GLOBALS['LANG']->getLL('version.short') . ' ' . htmlspecialchars($GLOBALS['TYPO_VERSION']):'') .
494 '</a>. ' .
495 $GLOBALS['LANG']->getLL('copyright') . ' &copy; ' . TYPO3_copyright_year . ' Kasper Sk&#229;rh&#248;j. ' . $GLOBALS['LANG']->getLL('extension.copyright') . ' ' .
496 sprintf($GLOBALS['LANG']->getLL('details.link'), '<a href="http://typo3.com/" target="_blank">http://typo3.com/</a>') . '<br /> ' .
497 $warrantyNote . ' ' .
498 sprintf($GLOBALS['LANG']->getLL('free.software'), '<a href="http://typo3.com/1316.0.html" target="_blank">', '</a> ') .
499 $GLOBALS['LANG']->getLL('keep.notice');
500
501 // Return notice:
502 return $copyrightNotice;
503 }
504
505 /**
506 * Returns the login box image, whether the default or an image from the rotation folder.
507 *
508 * @return string HTML image tag.
509 */
510 function makeLoginBoxImage() {
511 $loginboxImage = '';
512 if ($GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder']) { // Look for rotation image folder:
513 $absPath = t3lib_div::resolveBackPath(PATH_typo3.$GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder']);
514
515 // Get rotation folder:
516 $dir = t3lib_div::getFileAbsFileName($absPath);
517 if ($dir && @is_dir($dir)) {
518
519 // Get files for rotation into array:
520 $files = t3lib_div::getFilesInDir($dir,'png,jpg,gif');
521
522 // Pick random file:
523 $randImg = array_rand($files, 1);
524
525 // Get size of random file:
526 $imgSize = @getimagesize($dir.$files[$randImg]);
527
528 $imgAuthor = is_array($GLOBALS['TBE_STYLES']['loginBoxImage_author'])&&$GLOBALS['TBE_STYLES']['loginBoxImage_author'][$files[$randImg]] ? htmlspecialchars($GLOBALS['TBE_STYLES']['loginBoxImage_author'][$files[$randImg]]) : '';
529
530 // Create image tag:
531 if (is_array($imgSize)) {
532 $loginboxImage = '<img src="'.htmlspecialchars($GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder'].$files[$randImg]).'" '.$imgSize[3].' id="loginbox-image" alt="'.$imgAuthor.'" title="'.$imgAuthor.'" />';
533 }
534 }
535 } else { // If no rotation folder configured, print default image:
536
537 if (strstr(TYPO3_version,'-dev')) { // development version
538 $loginImage = 'loginbox_image_dev.png';
539 $imagecopy = 'You are running a development version of TYPO3 '.TYPO3_branch;
540 } else {
541 $loginImage = 'loginbox_image.jpg';
542 $imagecopy = 'Photo by J.C. Franca (www.digitalphoto.com.br)';
543 }
544 $loginboxImage = '<img'.t3lib_iconWorks::skinImg($GLOBALS['BACK_PATH'],'gfx/'.$loginImage,'width="200" height="133"').' id="loginbox-image" alt="'.$imagecopy.'" title="'.$imagecopy.'" />';
545 }
546
547 // Return image tag:
548 return $loginboxImage;
549 }
550
551 /**
552 * Make login news - renders the HTML content for a list of news shown under
553 * the login form. News data is added through $TYPO3_CONF_VARS
554 *
555 * @return string HTML content
556 * @credits Idea by Jan-Hendrik Heuing
557 */
558 function makeLoginNews() {
559 $newsContent = '';
560
561 // Traverse news array IF there are records in it:
562 if (is_array($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNews']) && count($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNews'])) {
563
564 // get the main news template, and replace the subpart after looped through
565 $newsContent = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###LOGIN_NEWS###');
566 $newsItemTemplate = t3lib_parsehtml::getSubpart($newsContent, '###NEWS_ITEM###');
567
568 $newsItemContent = '';
569 $count = 1;
570 foreach ($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNews'] as $newsItem) {
571 $additionalClass = '';
572 if ($count == 1) {
573 $additionalClass = ' first-item';
574 } elseif($count == count($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNews'])) {
575 $additionalClass = ' last-item';
576 }
577 $newsItemMarker = array(
578 '###HEADER###' => htmlspecialchars($newsItem['header']),
579 '###DATE###' => htmlspecialchars($newsItem['date']),
580 '###CONTENT###' => trim($newsItem['content']),
581 '###CLASS###' => $additionalClass
582 );
583
584 $count++;
585 $newsItemContent .= t3lib_parsehtml::substituteMarkerArray($newsItemTemplate, $newsItemMarker);
586 }
587
588 $title = ($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNewsTitle'] ? $GLOBALS['TYPO3_CONF_VARS']['BE']['loginNewsTitle'] : $GLOBALS['LANG']->getLL('newsheadline'));
589
590 $newsContent = t3lib_parsehtml::substituteMarker($newsContent, '###NEWS_HEADLINE###', htmlspecialchars($title));
591 $newsContent = t3lib_parsehtml::substituteSubpart($newsContent, '###NEWS_ITEM###', $newsItemContent);
592 }
593
594 return $newsContent;
595 }
596
597 /**
598 * Returns the form tag
599 *
600 * @return string Opening form tag string
601 */
602 function startForm() {
603 $output = '';
604
605 // The form defaults to 'no login'. This prevents plain
606 // text logins to the Backend. The 'sv' extension changes the form to
607 // use superchallenged method and rsaauth extension makes rsa authetication.
608 $form = '<form action="index.php" method="post" name="loginform" ' .
609 'onsubmit="alert(\'No authentication methods available. Please, ' .
610 'contact your TYPO3 administrator.\');return false">';
611
612 // Call hooks. If they do not return anything, we fail to login
613 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/index.php']['loginFormHook'])) {
614 foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/index.php']['loginFormHook'] as $function) {
615 $params = array();
616 $formCode = t3lib_div::callUserFunction($function, $params, $this);
617 if ($formCode) {
618 $form = $formCode;
619 break;
620 }
621 }
622 }
623
624 $output .= $form .
625 '<input type="hidden" name="login_status" value="login" />' .
626 '<input type="hidden" name="userident" value="" />' .
627 '<input type="hidden" name="redirect_url" value="'.htmlspecialchars($this->redirectToURL).'" />' .
628 '<input type="hidden" name="loginRefresh" value="'.htmlspecialchars($this->loginRefresh).'" />' .
629 $this->interfaceSelector_hidden . $this->addFields_hidden;
630
631 return $output;
632 }
633
634 /**
635 * Outputs an empty string. This function is obsolete and kept for the
636 * compatibility only.
637 *
638 * @param string $unused Unused
639 * @return string HTML output
640 * @deprecated since TYPO3 4.3, all the functionality was put in $this->startForm() and $this->addFields_hidden
641 */
642 function getHiddenFields($unused = '') {
643 t3lib_div::logDeprecatedFunction();
644 return '';
645 }
646
647 /**
648 * Creates JavaScript for the login form
649 *
650 * @return string JavaScript code
651 */
652 function getJScode() {
653 $JSCode = '';
654 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/index.php']['loginScriptHook'])) {
655 foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/index.php']['loginScriptHook'] as $function) {
656 $params = array();
657 $JSCode = t3lib_div::callUserFunction($function, $params, $this);
658 if ($JSCode) {
659 break;
660 }
661 }
662 }
663 $JSCode .= $GLOBALS['TBE_TEMPLATE']->wrapScriptTags('
664 function startUp() {
665 // 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:
666 try {
667 if (parent.opener && parent.opener.TS && parent.opener.TS.username && document.loginform && document.loginform.username) {
668 document.loginform.username.value = parent.opener.TS.username;
669 }
670 }
671 catch(error) {
672 //continue
673 }
674
675 // Wait a few millisecons before calling checkFocus(). This might be necessary because some browsers need some time to auto-fill in the form fields
676 window.setTimeout("checkFocus()", 50);
677 }
678
679 // This moves focus to the right input field:
680 function checkFocus() {
681 // If for some reason there already is a username in the username form field, move focus to the password field:
682 if (document.loginform.username && document.loginform.username.value == "") {
683 document.loginform.username.focus();
684 } else if (document.loginform.p_field && document.loginform.p_field.type!="hidden") {
685 document.loginform.p_field.focus();
686 }
687 }
688
689 // This function shows a warning, if user has capslock enabled
690 // parameter showWarning: shows warning if true and capslock active, otherwise only hides warning, if capslock gets inactive
691 function checkCapslock(e, showWarning) {
692 if (!isCapslock(e)) {
693 document.getElementById(\'t3-capslock\').style.display = \'none\';
694 } else if (showWarning) {
695 document.getElementById(\'t3-capslock\').style.display = \'block\';
696 }
697 }
698
699 // Checks weather capslock is enabled (returns true if enabled, false otherwise)
700 // thanks to http://24ways.org/2007/capturing-caps-lock
701
702 function isCapslock(e) {
703 var ev = e ? e : window.event;
704 if (!ev) {
705 return;
706 }
707 var targ = ev.target ? ev.target : ev.srcElement;
708 // get key pressed
709 var which = -1;
710 if (ev.which) {
711 which = ev.which;
712 } else if (ev.keyCode) {
713 which = ev.keyCode;
714 }
715 // get shift status
716 var shift_status = false;
717 if (ev.shiftKey) {
718 shift_status = ev.shiftKey;
719 } else if (ev.modifiers) {
720 shift_status = !!(ev.modifiers & 4);
721 }
722 return (((which >= 65 && which <= 90) && !shift_status) ||
723 ((which >= 97 && which <= 122) && shift_status));
724 }
725
726 // prevent opening the login form in the backend frameset
727 if (top.location.href != self.location.href) {
728 top.location.href = self.location.href;
729 }
730
731 ');
732
733 return $JSCode;
734 }
735
736
737 /**
738 * Checks if labels from $GLOBALS['TYPO3_CONF_VARS']['BE']['loginLabels'] were changed, and merge them to $GLOBALS['LOCAL_LANG'] if needed
739 *
740 * This method keeps backwards compatibility, if you modified your
741 * labels with the install tool, we recommend to transfer this labels to a locallang.xml file
742 * using the llxml extension
743 *
744 * @return void
745 */
746 protected function mergeOldLoginLabels() {
747 // Getting login labels
748 $oldLoginLabels = trim($GLOBALS['TYPO3_CONF_VARS']['BE']['loginLabels']);
749 if ($oldLoginLabels != '') {
750 // md5 hash of the default loginLabels string
751 $defaultOldLoginLabelsHash = 'bcf0d32e58c6454ea50c6c956f1f18f0';
752 // compare loginLabels from TYPO3_CONF_VARS to default value
753 if (md5($oldLoginLabels) != $defaultOldLoginLabelsHash) {
754 $lang = $GLOBALS['LANG']->lang;
755 $oldLoginLabelArray = explode('|',$oldLoginLabels);
756 $overrideLabelKeys = array(
757 'labels.username' => $oldLoginLabelArray[0],
758 'labels.password' => $oldLoginLabelArray[1],
759 'labels.interface' => $oldLoginLabelArray[2],
760 'labels.submitLogin' => $oldLoginLabelArray[3],
761 'labels.submitLogout' => $oldLoginLabelArray[4],
762 'availableInterfaces' => $oldLoginLabelArray[5],
763 'headline' => $oldLoginLabelArray[6],
764 'info.jscookies' => $oldLoginLabelArray[7],
765 'newsheadline' => $oldLoginLabelArray[8],
766 'error.login' => $oldLoginLabelArray[9],
767 );
768 if (!is_array($GLOBALS['LOCAL_LANG'][$lang])) {
769 $GLOBALS['LOCAL_LANG'][$lang] = array();
770 }
771 // now override the labels from the LOCAL_LANG with the TYPO3_CONF_VARS
772 foreach ($overrideLabelKeys as $labelKey => $label) {
773 $GLOBALS['LOCAL_LANG'][$lang][$labelKey] = $GLOBALS['LOCAL_LANG']['default'][$labelKey] = $label;
774 }
775 }
776 }
777 }
778 }
779
780
781 if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['typo3/index.php']) {
782 include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['typo3/index.php']);
783 }
784
785
786
787 // Make instance:
788 $SOBE = t3lib_div::makeInstance('SC_index');
789 $SOBE->init();
790 $SOBE->main();
791 $SOBE->printContent();
792
793 ?>