Added feature #11370: Inconsistent Login Screen doesn't show system required errors...
[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
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74
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77
78
79
80 /**
81 * Script Class for rendering the login form
82 *
83 * @author Kasper Skaarhoj <kasperYYYY@typo3.com>
84 * @package TYPO3
85 * @subpackage core
86 */
87 class SC_index {
88
89 // Internal, GPvars:
90 var $redirect_url; // GPvar: redirect_url; The URL to redirect to after login.
91 var $GPinterface; // GPvar: Defines which interface to load (from interface selector)
92 var $u; // GPvar: preset username
93 var $p; // GPvar: preset password
94 var $L; // GPvar: If "L" is "OUT", then any logged in used is logged out. If redirect_url is given, we redirect to it
95 var $loginRefresh; // Login-refresh boolean; The backend will call this script with this value set when the login is close to being expired and the form needs to be redrawn.
96 var $commandLI; // Value of forms submit button for login.
97
98 // Internal, static:
99 var $redirectToURL; // Set to the redirect URL of the form (may be redirect_url or "backend.php")
100
101 // Internal, dynamic:
102 var $content; // Content accumulation
103
104 var $interfaceSelector; // A selector box for selecting value for "interface" may be rendered into this variable
105 var $interfaceSelector_jump; // A selector box for selecting value for "interface" may be rendered into this variable - this will have an onchange action which will redirect the user to the selected interface right away
106 var $interfaceSelector_hidden; // A hidden field, if the interface is not set.
107 var $addFields_hidden = ''; // Additional hidden fields to be placed at the login form
108
109 // sets the level of security. *'normal' = clear-text. 'challenged' = hashed password/username from form in $formfield_uident. 'superchallenged' = hashed password hashed again with username.
110 var $loginSecurityLevel = 'superchallenged';
111
112
113
114
115 /**
116 * Initialize the login box. Will also react on a &L=OUT flag and exit.
117 *
118 * @return void
119 */
120 function init() {
121 // We need a PHP session session for most login levels
122 session_start();
123
124 $this->redirect_url = t3lib_div::_GP('redirect_url');
125 $this->GPinterface = t3lib_div::_GP('interface');
126
127 // Grabbing preset username and password, for security reasons this feature only works if SSL is used
128 if (t3lib_div::getIndpEnv('TYPO3_SSL')) {
129 $this->u = t3lib_div::_GP('u');
130 $this->p = t3lib_div::_GP('p');
131 }
132
133 // If "L" is "OUT", then any logged in is logged out. If redirect_url is given, we redirect to it
134 $this->L = t3lib_div::_GP('L');
135
136 // Login
137 $this->loginRefresh = t3lib_div::_GP('loginRefresh');
138
139 // Value of "Login" button. If set, the login button was pressed.
140 $this->commandLI = t3lib_div::_GP('commandLI');
141
142 // sets the level of security from conf vars
143 if ($GLOBALS['TYPO3_CONF_VARS']['BE']['loginSecurityLevel']) {
144 $this->loginSecurityLevel = $GLOBALS['TYPO3_CONF_VARS']['BE']['loginSecurityLevel'];
145 }
146
147 // try to get the preferred browser language
148 $preferredBrowserLanguage = $GLOBALS['LANG']->csConvObj->getPreferredClientLanguage(t3lib_div::getIndpEnv('HTTP_ACCEPT_LANGUAGE'));
149 // if we found a $preferredBrowserLanguage and it is not the default language and no be_user is logged in
150 // initialize $GLOBALS['LANG'] again with $preferredBrowserLanguage
151 if ($preferredBrowserLanguage != 'default' && !$GLOBALS['BE_USER']->user['uid']) {
152 $GLOBALS['LANG']->init($preferredBrowserLanguage);
153 }
154 $GLOBALS['LANG']->includeLLFile('EXT:lang/locallang_login.xml');
155
156 // check if labels from $GLOBALS['TYPO3_CONF_VARS']['BE']['loginLabels'] were changed,
157 // and merge them to $GLOBALS['LOCAL_LANG'] if needed
158 $this->mergeOldLoginLabels();
159
160 // Setting the redirect URL to "backend.php" if no alternative input is given
161 $this->redirectToURL = ($this->redirect_url ? $this->redirect_url : 'backend.php');
162
163
164 // Do a logout if the command is set
165 if ($this->L == 'OUT' && is_object($GLOBALS['BE_USER'])) {
166 $GLOBALS['BE_USER']->logoff();
167 if ($this->redirect_url) {
168 t3lib_div::redirect($this->redirect_url);
169 }
170 exit;
171 }
172 }
173
174
175 /**
176 * Main function - creating the login/logout form
177 *
178 * @return void
179 */
180 function main() {
181 global $TBE_TEMPLATE, $TYPO3_CONF_VARS, $BE_USER;
182
183 // Initialize template object:
184 $TBE_TEMPLATE->bodyTagAdditions = ' onload="startUp();"';
185 $TBE_TEMPLATE->moduleTemplate = $TBE_TEMPLATE->getHtmlTemplate('templates/login.html');
186
187 // Set JavaScript for creating a MD5 hash of the password:
188 $TBE_TEMPLATE->JScode.= $this->getJScode();
189
190 // Checking, if we should make a redirect.
191 // Might set JavaScript in the header to close window.
192 $this->checkRedirect();
193
194 // Initialize interface selectors:
195 $this->makeInterfaceSelectorBox();
196
197 // Creating form based on whether there is a login or not:
198 if (!$BE_USER->user['uid']) {
199 $TBE_TEMPLATE->form = $this->startForm();
200 $loginForm = $this->makeLoginForm();
201 } else {
202 $TBE_TEMPLATE->form = '
203 <form action="index.php" method="post" name="loginform">
204 <input type="hidden" name="login_status" value="logout" />
205 ';
206 $loginForm = $this->makeLogoutForm();
207 }
208
209 // Starting page:
210 $this->content.=$TBE_TEMPLATE->startPage('TYPO3 Login: '.$TYPO3_CONF_VARS['SYS']['sitename']);
211
212 // Add login form:
213 $this->content.=$this->wrapLoginForm($loginForm);
214
215 $this->content.= $TBE_TEMPLATE->endPage();
216 }
217
218 /**
219 * Outputting the accumulated content to screen
220 *
221 * @return void
222 */
223 function printContent() {
224 echo $this->content;
225 }
226
227 /*****************************
228 *
229 * Various functions
230 *
231 ******************************/
232
233 /**
234 * Creates the login form
235 * This is drawn when NO login exists.
236 *
237 * @return string HTML output
238 */
239 function makeLoginForm() {
240 $content = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###LOGIN_FORM###');
241 $markers = array(
242 'VALUE_USERNAME' => htmlspecialchars($this->u),
243 'VALUE_PASSWORD' => htmlspecialchars($this->p),
244 'VALUE_SUBMIT' => $GLOBALS['LANG']->getLL('labels.submitLogin', true),
245 );
246
247 // show an error message if the login command was successful already, otherwise remove the subpart
248 if (!$this->commandLI) {
249 $content = t3lib_parsehtml::substituteSubpart($content, '###LOGIN_ERROR###', '');
250 } else {
251 $markers['ERROR_MESSAGE'] = $GLOBALS['LANG']->getLL('error.login', true);
252 }
253
254
255 // remove the interface selector markers if it's not available
256 if (!($this->interfaceSelector && !$this->loginRefresh)) {
257 $content = t3lib_parsehtml::substituteSubpart($content, '###INTERFACE_SELECTOR###', '');
258 } else {
259 $markers['LABEL_INTERFACE'] = $GLOBALS['LANG']->getLL('labels.interface', true);
260 $markers['VALUE_INTERFACE'] = $this->interfaceSelector;
261 }
262
263 return t3lib_parsehtml::substituteMarkerArray($content, $markers, '###|###');
264 }
265
266
267 /**
268 * Creates the logout form
269 * This is drawn if a user login already exists.
270 *
271 * @return string HTML output
272 */
273 function makeLogoutForm() {
274 $content = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###LOGOUT_FORM###');
275 $markers = array(
276 'LABEL_USERNAME' => $GLOBALS['LANG']->getLL('labels.username', true),
277 'VALUE_USERNAME' => htmlspecialchars($GLOBALS['BE_USER']->user['username']),
278 'VALUE_SUBMIT' => $GLOBALS['LANG']->getLL('labels.submitLogout', true),
279 );
280
281 // remove the interface selector markers if it's not available
282 if (!$this->interfaceSelector_jump) {
283 $content = t3lib_parsehtml::substituteSubpart($content, '###INTERFACE_SELECTOR###', '');
284 } else {
285 $markers['LABEL_INTERFACE'] = $GLOBALS['LANG']->getLL('labels.interface', true);
286 $markers['VALUE_INTERFACE'] = $this->interfaceSelector_jump;
287 }
288
289 return t3lib_parsehtml::substituteMarkerArray($content, $markers, '###|###');
290 }
291
292
293 /**
294 * Wrapping the login form table in another set of tables etc:
295 *
296 * @param string HTML content for the login form
297 * @return string The HTML for the page.
298 */
299 function wrapLoginForm($content) {
300 $mainContent = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###PAGE###');
301
302 if ($GLOBALS['TBE_STYLES']['logo_login']) {
303 $logo = '<img src="'.htmlspecialchars($GLOBALS['BACK_PATH'] . $GLOBALS['TBE_STYLES']['logo_login']) . '" alt="" />';
304 } else {
305 $logo = '<img'.t3lib_iconWorks::skinImg($GLOBALS['BACK_PATH'],'gfx/typo3logo.gif','width="123" height="34"').' alt="" />';
306 }
307
308 $markers = array(
309 'LOGO' => $logo,
310 'LOGINBOX_IMAGE' => $this->makeLoginBoxImage(),
311 'FORM' => $content,
312 'NEWS' => $this->makeLoginNews(),
313 'COPYRIGHT' => $this->makeCopyrightNotice(),
314 'CSS_ERRORCLASS' => ($this->commandLI ? ' class="error"' : ''),
315
316 // the labels will be replaced later on, thus the other parts above
317 // can use these markers as well and it will be replaced
318 'HEADLINE' => $GLOBALS['LANG']->getLL('headline', true),
319 'INFO_ABOUT' => $GLOBALS['LANG']->getLL('info.about', true),
320 'INFO_RELOAD' => $GLOBALS['LANG']->getLL('info.reset', true),
321 'ERROR_JAVASCRIPT' => $GLOBALS['LANG']->getLL('error.javascript', true),
322 'ERROR_COOKIES' => $GLOBALS['LANG']->getLL('error.cookies', true),
323 'ERROR_CAPSLOCK' => $GLOBALS['LANG']->getLL('error.capslock', true),
324 'LABEL_DONATELINK' => $GLOBALS['LANG']->getLL('labels.donate', true),
325 'LABEL_USERNAME' => $GLOBALS['LANG']->getLL('labels.username', true),
326 'LABEL_PASSWORD' => $GLOBALS['LANG']->getLL('labels.password', true),
327 'CLEAR' => $GLOBALS['LANG']->getLL('clear', true),
328 'SITELINK' => '<a href="/">###SITENAME###</a>',
329
330 // global variables will now be replaced (at last)
331 'SITENAME' => $GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename']
332 );
333 return t3lib_parsehtml::substituteMarkerArray($mainContent, $markers, '###|###');
334 }
335
336
337 /**
338 * Checking, if we should perform some sort of redirection OR closing of windows.
339 *
340 * @return void
341 */
342 function checkRedirect() {
343 global $BE_USER,$TBE_TEMPLATE;
344
345 // Do redirect:
346 // 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...)
347 if ($BE_USER->user['uid'] && ($this->commandLI || $this->loginRefresh || !$this->interfaceSelector)) {
348
349 // 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.
350 if (!$_COOKIE[$BE_USER->name]) {
351 if ($this->commandLI=='setCookie') {
352 // we tried it a second time but still no cookie
353 // 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.
354 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);
355 exit;
356 } else {
357 // try it once again - that might be needed for auto login
358 $this->redirectToURL = 'index.php?commandLI=setCookie';
359 }
360 }
361
362 if (($redirectToURL = (string)$BE_USER->getTSConfigVal('auth.BE.redirectToURL'))) {
363 $this->redirectToURL = $redirectToURL;
364 $this->GPinterface = '';
365 }
366
367 // store interface
368 $BE_USER->uc['interfaceSetup'] = $this->GPinterface;
369 $BE_USER->writeUC();
370
371 // Based on specific setting of interface we set the redirect script:
372 switch ($this->GPinterface) {
373 case 'backend':
374 $this->redirectToURL = 'backend.php';
375 break;
376 case 'backend_old':
377 $this->redirectToURL = 'alt_main.php';
378 break;
379 case 'frontend':
380 $this->redirectToURL = '../';
381 break;
382 }
383
384 // If there is a redirect URL AND if loginRefresh is not set...
385 if (!$this->loginRefresh) {
386 header('Location: '.t3lib_div::locationHeaderUrl($this->redirectToURL));
387 exit;
388 } else {
389 $TBE_TEMPLATE->JScode.=$TBE_TEMPLATE->wrapScriptTags('
390 if (parent.opener && parent.opener.busy) {
391 parent.opener.busy.loginRefreshed();
392 parent.close();
393 }
394 ');
395 }
396
397 } elseif (!$BE_USER->user['uid'] && $this->commandLI) {
398 sleep(5); // Wrong password, wait for 5 seconds
399 }
400 }
401
402 /**
403 * Making interface selector:
404 *
405 * @return void
406 */
407 function makeInterfaceSelectorBox() {
408 global $TYPO3_CONF_VARS;
409
410 // Reset variables:
411 $this->interfaceSelector = '';
412 $this->interfaceSelector_hidden='';
413 $this->interfaceSelector_jump = '';
414
415 // If interfaces are defined AND no input redirect URL in GET vars:
416 if ($TYPO3_CONF_VARS['BE']['interfaces'] && ($this->commandLI || !$this->redirect_url)) {
417 $parts = t3lib_div::trimExplode(',',$TYPO3_CONF_VARS['BE']['interfaces']);
418 if (count($parts)>1) { // Only if more than one interface is defined will we show the selector:
419
420 // Initialize:
421 $tempLabels = t3lib_div::trimExplode(',', $GLOBALS['LANG']->getLL('availableInterfaces'));
422 $labels=array();
423
424 $labels['backend'] = $tempLabels[0];
425 $labels['backend_old'] = $tempLabels[2];
426 $labels['frontend'] = $tempLabels[1];
427
428 $jumpScript=array();
429 $jumpScript['backend'] = 'backend.php';
430 $jumpScript['backend_old'] = 'alt_main.php';
431 $jumpScript['frontend'] = '../';
432
433 // Traverse the interface keys:
434 foreach($parts as $valueStr) {
435 $this->interfaceSelector.='
436 <option value="'.htmlspecialchars($valueStr).'"'.(t3lib_div::_GP('interface')==htmlspecialchars($valueStr) ? ' selected="selected"' : '').'>'.htmlspecialchars($labels[$valueStr]).'</option>';
437 $this->interfaceSelector_jump.='
438 <option value="'.htmlspecialchars($jumpScript[$valueStr]).'">'.htmlspecialchars($labels[$valueStr]).'</option>';
439 }
440 $this->interfaceSelector='
441 <select id="t3-interfaceselector" name="interface" class="c-interfaceselector" tabindex="3">'.$this->interfaceSelector.'
442 </select>';
443 $this->interfaceSelector_jump='
444 <select id="t3-interfaceselector" name="interface" class="c-interfaceselector" tabindex="3" onchange="window.location.href=this.options[this.selectedIndex].value;">'.$this->interfaceSelector_jump.'
445 </select>';
446
447 } else { // If there is only ONE interface value set:
448
449 $this->interfaceSelector_hidden='<input type="hidden" name="interface" value="'.trim($TYPO3_CONF_VARS['BE']['interfaces']).'" />';
450 }
451 }
452 }
453
454 /**
455 * COPYRIGHT notice
456 *
457 * Warning:
458 * DO NOT prevent this notice from being shown in ANY WAY.
459 * 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)
460 * 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.
461 *
462 * @return string Text/Image (HTML) for copyright notice.
463 */
464 function makeCopyrightNotice() {
465
466 // Get values from TYPO3_CONF_VARS:
467 $loginCopyrightWarrantyProvider = strip_tags(trim($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightWarrantyProvider']));
468 $loginCopyrightWarrantyURL = strip_tags(trim($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightWarrantyURL']));
469 $loginImageSmall = (trim($GLOBALS['TBE_STYLES']['loginBoxImageSmall'])) ? trim($GLOBALS['TBE_STYLES']['loginBoxImageSmall']) : 'gfx/loginlogo_transp.gif';
470
471 // Make warranty note:
472 if (strlen($loginCopyrightWarrantyProvider)>=2 && strlen($loginCopyrightWarrantyURL)>=10) {
473 $warrantyNote = sprintf($GLOBALS['LANG']->getLL('warranty.by'), htmlspecialchars($loginCopyrightWarrantyProvider), '<a href="' . htmlspecialchars($loginCopyrightWarrantyURL) . '" target="_blank">', '</a>');
474 } else {
475 $warrantyNote = sprintf($GLOBALS['LANG']->getLL('no.warranty'), '<a href="http://typo3.com/1316.0.html" target="_blank">', '</a>');
476 }
477
478 // Compile full copyright notice:
479 $copyrightNotice = '<a href="http://typo3.com/" target="_blank">'.
480 '<img src="' . $loginImageSmall . '" alt="' . $GLOBALS['LANG']->getLL('typo3.logo') . '" align="left" />' .
481 $GLOBALS['LANG']->getLL('typo3.cms') . ($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightShowVersion']?' ' . $GLOBALS['LANG']->getLL('version.short') . ' ' . htmlspecialchars($GLOBALS['TYPO_VERSION']):'') .
482 '</a>. ' .
483 $GLOBALS['LANG']->getLL('copyright') . ' &copy; ' . TYPO3_copyright_year . ' Kasper Sk&#229;rh&#248;j. ' . $GLOBALS['LANG']->getLL('extension.copyright') . ' ' .
484 sprintf($GLOBALS['LANG']->getLL('details.link'), '<a href="http://typo3.com/" target="_blank">http://typo3.com/</a>') . '<br /> ' .
485 $warrantyNote . ' ' .
486 sprintf($GLOBALS['LANG']->getLL('free.software'), '<a href="http://typo3.com/1316.0.html" target="_blank">', '</a> ') .
487 $GLOBALS['LANG']->getLL('keep.notice');
488
489 // Return notice:
490 return $copyrightNotice;
491 }
492
493 /**
494 * Returns the login box image, whether the default or an image from the rotation folder.
495 *
496 * @return string HTML image tag.
497 */
498 function makeLoginBoxImage() {
499 $loginboxImage = '';
500 if ($GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder']) { // Look for rotation image folder:
501 $absPath = t3lib_div::resolveBackPath(PATH_typo3.$GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder']);
502
503 // Get rotation folder:
504 $dir = t3lib_div::getFileAbsFileName($absPath);
505 if ($dir && @is_dir($dir)) {
506
507 // Get files for rotation into array:
508 $files = t3lib_div::getFilesInDir($dir,'png,jpg,gif');
509
510 // Pick random file:
511 $randImg = array_rand($files, 1);
512
513 // Get size of random file:
514 $imgSize = @getimagesize($dir.$files[$randImg]);
515
516 $imgAuthor = is_array($GLOBALS['TBE_STYLES']['loginBoxImage_author'])&&$GLOBALS['TBE_STYLES']['loginBoxImage_author'][$files[$randImg]] ? htmlspecialchars($GLOBALS['TBE_STYLES']['loginBoxImage_author'][$files[$randImg]]) : '';
517
518 // Create image tag:
519 if (is_array($imgSize)) {
520 $loginboxImage = '<img src="'.htmlspecialchars($GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder'].$files[$randImg]).'" '.$imgSize[3].' id="loginbox-image" alt="'.$imgAuthor.'" title="'.$imgAuthor.'" />';
521 }
522 }
523 } else { // If no rotation folder configured, print default image:
524
525 if (strstr(TYPO3_version,'-dev')) { // development version
526 $loginImage = 'loginbox_image_dev.png';
527 $imagecopy = 'You are running a development version of TYPO3 '.TYPO3_branch;
528 } else {
529 $loginImage = 'loginbox_image.jpg';
530 $imagecopy = 'Photo by J.C. Franca (www.digitalphoto.com.br)';
531 }
532 $loginboxImage = '<img'.t3lib_iconWorks::skinImg($GLOBALS['BACK_PATH'],'gfx/'.$loginImage,'width="200" height="133"').' id="loginbox-image" alt="'.$imagecopy.'" title="'.$imagecopy.'" />';
533 }
534
535 // Return image tag:
536 return $loginboxImage;
537 }
538
539 /**
540 * Make login news - renders the HTML content for a list of news shown under
541 * the login form. News data is added through $TYPO3_CONF_VARS
542 *
543 * @return string HTML content
544 * @credits Idea by Jan-Hendrik Heuing
545 */
546 function makeLoginNews() {
547 $newsContent = '';
548
549 // Traverse news array IF there are records in it:
550 if (is_array($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNews']) && count($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNews'])) {
551
552 // get the main news template, and replace the subpart after looped through
553 $newsContent = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###LOGIN_NEWS###');
554 $newsItemTemplate = t3lib_parsehtml::getSubpart($newsContent, '###NEWS_ITEM###');
555
556 $newsItemContent = '';
557 foreach ($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNews'] as $newsItem) {
558 $newsItemMarker = array(
559 '###HEADER###' => htmlspecialchars($newsItem['header']),
560 '###DATE###' => htmlspecialchars($newsItem['date']),
561 '###CONTENT###' => trim($newsItem['content'])
562 );
563 $newsItemContent .= t3lib_parsehtml::substituteMarkerArray($newsItemTemplate, $newsItemMarker);
564 }
565
566 $title = ($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNewsTitle'] ? $GLOBALS['TYPO3_CONF_VARS']['BE']['loginNewsTitle'] : $GLOBALS['LANG']->getLL('newsheadline'));
567
568 $newsContent = t3lib_parsehtml::substituteMarker($newsContent, '###NEWS_HEADLINE###', htmlspecialchars($title));
569 $newsContent = t3lib_parsehtml::substituteSubpart($newsContent, '###NEWS_ITEM###', $newsItemContent);
570 }
571
572 return $newsContent;
573 }
574
575 /**
576 * Returns the form tag
577 *
578 * @return string Opening form tag string
579 */
580 function startForm() {
581 $output = '';
582
583 // The form defaults to 'no login'. This prevents plain
584 // text logins to the Backend. The 'sv' extension changes the form to
585 // use superchallenged method and rsaauth extension makes rsa authetication.
586 $form = '<form action="index.php" method="post" name="loginform" ' .
587 'onsubmit="alert(\'No authentication methods available. Please, ' .
588 'contact your TYPO3 administrator.\');return false">';
589
590 // Call hooks. If they do not return anything, we fail to login
591 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/index.php']['loginFormHook'])) {
592 foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/index.php']['loginFormHook'] as $function) {
593 $params = array();
594 $formCode = t3lib_div::callUserFunction($function, $params, $this);
595 if ($formCode) {
596 $form = $formCode;
597 break;
598 }
599 }
600 }
601
602 $output .= $form .
603 '<input type="hidden" name="login_status" value="login" />' .
604 '<input type="hidden" name="userident" value="" />' .
605 '<input type="hidden" name="redirect_url" value="'.htmlspecialchars($this->redirectToURL).'" />' .
606 '<input type="hidden" name="loginRefresh" value="'.htmlspecialchars($this->loginRefresh).'" />' .
607 $this->interfaceSelector_hidden . $this->addFields_hidden;
608
609 return $output;
610 }
611
612 /**
613 * Outputs an empty string. This function is obsolete and kept for the
614 * compatibility only.
615 *
616 * @param string $unused Unused
617 * @return string HTML output
618 * @deprecated since TYPO3 4.3, all the functionality was put in $this->startForm() and $this->addFields_hidden
619 */
620 function getHiddenFields($unused = '') {
621 t3lib_div::logDeprecatedFunction();
622 return '';
623 }
624
625 /**
626 * Creates JavaScript for the login form
627 *
628 * @return string JavaScript code
629 */
630 function getJScode() {
631 $JSCode = '';
632 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/index.php']['loginScriptHook'])) {
633 foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/index.php']['loginScriptHook'] as $function) {
634 $params = array();
635 $JSCode = t3lib_div::callUserFunction($function, $params, $this);
636 if ($JSCode) {
637 break;
638 }
639 }
640 }
641 $JSCode .= $GLOBALS['TBE_TEMPLATE']->wrapScriptTags('
642 function startUp() {
643 // 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:
644 if (parent.opener && parent.opener.TS && parent.opener.TS.username && document.loginform && document.loginform.username) {
645 document.loginform.username.value = parent.opener.TS.username;
646 }
647
648 // Wait a few millisecons before calling checkFocus(). This might be necessary because some browsers need some time to auto-fill in the form fields
649 window.setTimeout("checkFocus()", 50);
650 }
651
652 // This moves focus to the right input field:
653 function checkFocus() {
654 // If for some reason there already is a username in the username form field, move focus to the password field:
655 if (document.loginform.username && document.loginform.username.value == "") {
656 document.loginform.username.focus();
657 } else if (document.loginform.p_field && document.loginform.p_field.type!="hidden") {
658 document.loginform.p_field.focus();
659 }
660 }
661
662 // This function shows a warning, if user has capslock enabled
663 // parameter showWarning: shows warning if true and capslock active, otherwise only hides warning, if capslock gets inactive
664 function checkCapslock(e, showWarning) {
665 if (!isCapslock(e)) {
666 document.getElementById(\'t3-capslock\').style.display = \'none\';
667 } else if (showWarning) {
668 document.getElementById(\'t3-capslock\').style.display = \'block\';
669 }
670 }
671
672 // Checks weather capslock is enabled (returns true if enabled, false otherwise)
673 // thanks to http://24ways.org/2007/capturing-caps-lock
674
675 function isCapslock(e) {
676 var ev = e ? e : window.event;
677 if (!ev) {
678 return;
679 }
680 var targ = ev.target ? ev.target : ev.srcElement;
681 // get key pressed
682 var which = -1;
683 if (ev.which) {
684 which = ev.which;
685 } else if (ev.keyCode) {
686 which = ev.keyCode;
687 }
688 // get shift status
689 var shift_status = false;
690 if (ev.shiftKey) {
691 shift_status = ev.shiftKey;
692 } else if (ev.modifiers) {
693 shift_status = !!(ev.modifiers & 4);
694 }
695 return (((which >= 65 && which <= 90) && !shift_status) ||
696 ((which >= 97 && which <= 122) && shift_status));
697 }
698 ');
699
700 return $JSCode;
701 }
702
703
704 /**
705 * Checks if labels from $GLOBALS['TYPO3_CONF_VARS']['BE']['loginLabels'] were changed, and merge them to $GLOBALS['LOCAL_LANG'] if needed
706 *
707 * This method keeps backwards compatibility, if you modified your
708 * labels with the install tool, we recommend to transfer this labels to a locallang.xml file
709 * using the llxml extension
710 *
711 * @return void
712 */
713 protected function mergeOldLoginLabels() {
714 // Getting login labels
715 $oldLoginLabels = trim($GLOBALS['TYPO3_CONF_VARS']['BE']['loginLabels']);
716 if ($oldLoginLabels != '') {
717 // md5 hash of the default loginLabels string
718 $defaultOldLoginLabelsHash = 'bcf0d32e58c6454ea50c6c956f1f18f0';
719 // compare loginLabels from TYPO3_CONF_VARS to default value
720 if (md5($oldLoginLabels) != $defaultOldLoginLabelsHash) {
721 $lang = $GLOBALS['LANG']->lang;
722 $oldLoginLabelArray = explode('|',$oldLoginLabels);
723 $overrideLabelKeys = array(
724 'labels.username' => $oldLoginLabelArray[0],
725 'labels.password' => $oldLoginLabelArray[1],
726 'labels.interface' => $oldLoginLabelArray[2],
727 'labels.submitLogin' => $oldLoginLabelArray[3],
728 'labels.submitLogout' => $oldLoginLabelArray[4],
729 'availableInterfaces' => $oldLoginLabelArray[5],
730 'headline' => $oldLoginLabelArray[6],
731 'info.jscookies' => $oldLoginLabelArray[7],
732 'newsheadline' => $oldLoginLabelArray[8],
733 'error.login' => $oldLoginLabelArray[9],
734 );
735 if (!is_array($GLOBALS['LOCAL_LANG'][$lang])) {
736 $GLOBALS['LOCAL_LANG'][$lang] = array();
737 }
738 // now override the labels from the LOCAL_LANG with the TYPO3_CONF_VARS
739 foreach ($overrideLabelKeys as $labelKey => $label) {
740 $GLOBALS['LOCAL_LANG'][$lang][$labelKey] = $GLOBALS['LOCAL_LANG']['default'][$labelKey] = $label;
741 }
742 }
743 }
744 }
745 }
746
747
748 if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['typo3/index.php']) {
749 include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['typo3/index.php']);
750 }
751
752
753
754 // Make instance:
755 $SOBE = t3lib_div::makeInstance('SC_index');
756 $SOBE->init();
757 $SOBE->main();
758 $SOBE->printContent();
759
760 ?>