[TASK] Fix CGL violations against SuperfluousWhitespace
[Packages/TYPO3.CMS.git] / 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 /**
29 * Login-screen of TYPO3.
30 *
31 * Revised for TYPO3 3.6 December/2003 by Kasper Skårhøj
32 * XHTML compliant
33 *
34 * @author Kasper Skårhøj <kasperYYYY@typo3.com>
35 */
36
37 define('TYPO3_PROCEED_IF_NO_USER', 1);
38 require('init.php');
39
40 /**
41 * Script Class for rendering the login form
42 *
43 * @author Kasper Skårhøj <kasperYYYY@typo3.com>
44 * @package TYPO3
45 * @subpackage core
46 */
47 class SC_index {
48
49 // Internal, GPvars:
50 // GPvar: redirect_url; The URL to redirect to after login.
51 var $redirect_url;
52 // GPvar: Defines which interface to load (from interface selector)
53 var $GPinterface;
54 // GPvar: preset username
55 var $u;
56 // GPvar: preset password
57 var $p;
58 // GPvar: If "L" is "OUT", then any logged in used is logged out. If redirect_url is given, we redirect to it
59 var $L;
60 // 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.
61 var $loginRefresh;
62 // Value of forms submit button for login.
63 var $commandLI;
64
65 // Internal, static:
66 // Set to the redirect URL of the form (may be redirect_url or "backend.php")
67 var $redirectToURL;
68
69 // Internal, dynamic:
70 // Content accumulation
71 var $content;
72 // A selector box for selecting value for "interface" may be rendered into this variable
73 var $interfaceSelector;
74 // A selector box for selecting value for "interface" may be rendered into this variable
75 // this will have an onchange action which will redirect the user to the selected interface right away
76 var $interfaceSelector_jump;
77 // A hidden field, if the interface is not set.
78 var $interfaceSelector_hidden;
79 // Additional hidden fields to be placed at the login form
80 var $addFields_hidden = '';
81
82 // sets the level of security. *'normal' = clear-text. 'challenged' = hashed
83 // password/username from form in $formfield_uident. 'superchallenged' = hashed password hashed again with username.
84 var $loginSecurityLevel = 'superchallenged';
85 /**
86 * Initialize the login box. Will also react on a &L=OUT flag and exit.
87 *
88 * @return void
89 */
90 function init() {
91 // We need a PHP session session for most login levels
92 session_start();
93
94 $this->redirect_url = t3lib_div::sanitizeLocalUrl(t3lib_div::_GP('redirect_url'));
95 $this->GPinterface = t3lib_div::_GP('interface');
96
97 // Grabbing preset username and password, for security reasons this feature only works if SSL is used
98 if (t3lib_div::getIndpEnv('TYPO3_SSL')) {
99 $this->u = t3lib_div::_GP('u');
100 $this->p = t3lib_div::_GP('p');
101 }
102
103 // If "L" is "OUT", then any logged in is logged out. If redirect_url is given, we redirect to it
104 $this->L = t3lib_div::_GP('L');
105
106 // Login
107 $this->loginRefresh = t3lib_div::_GP('loginRefresh');
108
109 // Value of "Login" button. If set, the login button was pressed.
110 $this->commandLI = t3lib_div::_GP('commandLI');
111
112 // Sets the level of security from conf vars
113 if ($GLOBALS['TYPO3_CONF_VARS']['BE']['loginSecurityLevel']) {
114 $this->loginSecurityLevel = $GLOBALS['TYPO3_CONF_VARS']['BE']['loginSecurityLevel'];
115 }
116
117 // Try to get the preferred browser language
118 $preferredBrowserLanguage = $GLOBALS['LANG']->csConvObj->getPreferredClientLanguage(t3lib_div::getIndpEnv('HTTP_ACCEPT_LANGUAGE'));
119 // If we found a $preferredBrowserLanguage and it is not the default language and no be_user is logged in
120 // initialize $GLOBALS['LANG'] again with $preferredBrowserLanguage
121 if ($preferredBrowserLanguage != 'default' && !$GLOBALS['BE_USER']->user['uid']) {
122 $GLOBALS['LANG']->init($preferredBrowserLanguage);
123 }
124 $GLOBALS['LANG']->includeLLFile('EXT:lang/locallang_login.xml');
125
126 // Setting the redirect URL to "backend.php" if no alternative input is given
127 $this->redirectToURL = ($this->redirect_url ? $this->redirect_url : 'backend.php');
128
129 // Do a logout if the command is set
130 if ($this->L == 'OUT' && is_object($GLOBALS['BE_USER'])) {
131 $GLOBALS['BE_USER']->logoff();
132 if ($this->redirect_url) {
133 t3lib_utility_Http::redirect($this->redirect_url);
134 }
135 exit;
136 }
137 }
138
139 /**
140 * Main function - creating the login/logout form
141 *
142 * @return void
143 */
144 function main() {
145 // Initialize template object:
146 $GLOBALS['TBE_TEMPLATE']->bodyTagAdditions = ' onload="startUp();"';
147 $GLOBALS['TBE_TEMPLATE']->moduleTemplate = $GLOBALS['TBE_TEMPLATE']->getHtmlTemplate('templates/login.html');
148
149 $GLOBALS['TBE_TEMPLATE']->getPageRenderer()->loadExtJS();
150 $GLOBALS['TBE_TEMPLATE']->getPageRenderer()->loadPrototype();
151 $GLOBALS['TBE_TEMPLATE']->getPageRenderer()->loadScriptaculous();
152
153 // Set JavaScript for creating a MD5 hash of the password:
154 $GLOBALS['TBE_TEMPLATE']->JScode.= $this->getJScode();
155
156 // Checking, if we should make a redirect.
157 // Might set JavaScript in the header to close window.
158 $this->checkRedirect();
159
160 // Initialize interface selectors:
161 $this->makeInterfaceSelectorBox();
162
163 // Creating form based on whether there is a login or not:
164 if (!$GLOBALS['BE_USER']->user['uid']) {
165 $GLOBALS['TBE_TEMPLATE']->form = $this->startForm();
166 $loginForm = $this->makeLoginForm();
167 } else {
168 $GLOBALS['TBE_TEMPLATE']->form = '
169 <form action="index.php" method="post" name="loginform">
170 <input type="hidden" name="login_status" value="logout" />
171 ';
172 $loginForm = $this->makeLogoutForm();
173 }
174
175 // Starting page:
176 $this->content .= $GLOBALS['TBE_TEMPLATE']->startPage('TYPO3 Login: ' . $GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename'], FALSE);
177
178 // Add login form:
179 $this->content .= $this->wrapLoginForm($loginForm);
180
181 $this->content .= $GLOBALS['TBE_TEMPLATE']->endPage();
182 }
183
184 /**
185 * Outputting the accumulated content to screen
186 *
187 * @return void
188 */
189 function printContent() {
190 echo $this->content;
191 }
192
193 /*****************************
194 *
195 * Various functions
196 *
197 ******************************/
198
199 /**
200 * Creates the login form
201 * This is drawn when NO login exists.
202 *
203 * @return string HTML output
204 */
205 function makeLoginForm() {
206 $content = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###LOGIN_FORM###');
207 $markers = array(
208 'VALUE_USERNAME' => htmlspecialchars($this->u),
209 'VALUE_PASSWORD' => htmlspecialchars($this->p),
210 'VALUE_SUBMIT' => $GLOBALS['LANG']->getLL('labels.submitLogin', TRUE),
211 );
212
213 // Show an error message if the login command was successful already, otherwise remove the subpart
214 if (!$this->isLoginInProgress()) {
215 $content = t3lib_parsehtml::substituteSubpart($content, '###LOGIN_ERROR###', '');
216 } else {
217 $markers['ERROR_MESSAGE'] = $GLOBALS['LANG']->getLL('error.login', TRUE);
218 $markers['ERROR_LOGIN_TITLE'] = $GLOBALS['LANG']->getLL('error.login.title', TRUE);
219 $markers['ERROR_LOGIN_DESCRIPTION'] = $GLOBALS['LANG']->getLL('error.login.description', TRUE);
220 }
221
222 // Remove the interface selector markers if it's not available
223 if (!($this->interfaceSelector && !$this->loginRefresh)) {
224 $content = t3lib_parsehtml::substituteSubpart($content, '###INTERFACE_SELECTOR###', '');
225 } else {
226 $markers['LABEL_INTERFACE'] = $GLOBALS['LANG']->getLL('labels.interface', TRUE);
227 $markers['VALUE_INTERFACE'] = $this->interfaceSelector;
228 }
229
230 return t3lib_parsehtml::substituteMarkerArray($content, $markers, '###|###');
231 }
232
233 /**
234 * Creates the logout form
235 * This is drawn if a user login already exists.
236 *
237 * @return string HTML output
238 */
239 function makeLogoutForm() {
240 $content = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###LOGOUT_FORM###');
241 $markers = array(
242 'LABEL_USERNAME' => $GLOBALS['LANG']->getLL('labels.username', TRUE),
243 'VALUE_USERNAME' => htmlspecialchars($GLOBALS['BE_USER']->user['username']),
244 'VALUE_SUBMIT' => $GLOBALS['LANG']->getLL('labels.submitLogout', TRUE),
245 );
246
247 // Remove the interface selector markers if it's not available
248 if (!$this->interfaceSelector_jump) {
249 $content = t3lib_parsehtml::substituteSubpart($content, '###INTERFACE_SELECTOR###', '');
250 } else {
251 $markers['LABEL_INTERFACE'] = $GLOBALS['LANG']->getLL('labels.interface', TRUE);
252 $markers['VALUE_INTERFACE'] = $this->interfaceSelector_jump;
253 }
254
255 return t3lib_parsehtml::substituteMarkerArray($content, $markers, '###|###');
256 }
257
258 /**
259 * Wrapping the login form table in another set of tables etc:
260 *
261 * @param string HTML content for the login form
262 * @return string The HTML for the page.
263 */
264 function wrapLoginForm($content) {
265 $mainContent = t3lib_parsehtml::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###PAGE###');
266
267 if ($GLOBALS['TBE_STYLES']['logo_login']) {
268 $logo = '<img src="'.htmlspecialchars($GLOBALS['BACK_PATH'] . $GLOBALS['TBE_STYLES']['logo_login']) . '" alt="" />';
269 } else {
270 $logo = '<img'.t3lib_iconWorks::skinImg($GLOBALS['BACK_PATH'], 'gfx/typo3logo.gif', 'width="123" height="34"').' alt="" />';
271 }
272
273 $browserWarning = t3lib_div::makeInstance(
274 't3lib_FlashMessage',
275 // TODO: refactor if other old browsers are not supported anymore
276 $GLOBALS['LANG']->getLL('warning.incompatibleBrowser') . ' ' . $GLOBALS['LANG']->getLL('warning.incompatibleBrowserInternetExplorer'),
277 $GLOBALS['LANG']->getLL('warning.incompatibleBrowserHeadline'),
278 t3lib_FlashMessage::ERROR
279 );
280 $browserWarning = $browserWarning->render();
281
282 $additionalCssClasses = array();
283 if ($this->isLoginInProgress()) {
284 $additionalCssClasses[] = 'error';
285 }
286 if ($this->loginRefresh) {
287 $additionalCssClasses[] = 'refresh';
288 }
289
290 $markers = array(
291 'LOGO' => $logo,
292 'LOGINBOX_IMAGE' => $this->makeLoginBoxImage(),
293 'FORM' => $content,
294 'NEWS' => $this->makeLoginNews(),
295 'COPYRIGHT' => $this->makeCopyrightNotice(),
296 'CSS_CLASSES' => !empty($additionalCssClasses) ? 'class="' . implode(' ', $additionalCssClasses) . '"' : '',
297 'CSS_OPENIDCLASS' => 't3-login-openid-' . (t3lib_extMgm::isLoaded('openid') ? 'enabled' : 'disabled'),
298
299 // The labels will be replaced later on, thus the other parts above
300 // can use these markers as well and it will be replaced
301 'HEADLINE' => $GLOBALS['LANG']->getLL('headline', TRUE),
302 'INFO_ABOUT' => $GLOBALS['LANG']->getLL('info.about', TRUE),
303 'INFO_RELOAD' => $GLOBALS['LANG']->getLL('info.reset', TRUE),
304 'INFO' => $GLOBALS['LANG']->getLL('info.cookies_and_js', TRUE),
305 'WARNING_BROWSER_INCOMPATIBLE' => $browserWarning,
306 'ERROR_JAVASCRIPT' => $GLOBALS['LANG']->getLL('error.javascript', TRUE),
307 'ERROR_COOKIES' => $GLOBALS['LANG']->getLL('error.cookies', TRUE),
308 'ERROR_COOKIES_IGNORE' => $GLOBALS['LANG']->getLL('error.cookies_ignore', TRUE),
309 'ERROR_CAPSLOCK' => $GLOBALS['LANG']->getLL('error.capslock', TRUE),
310 'ERROR_FURTHERHELP' => $GLOBALS['LANG']->getLL('error.furtherInformation', TRUE),
311 'LABEL_DONATELINK' => $GLOBALS['LANG']->getLL('labels.donate', TRUE),
312 'LABEL_USERNAME' => $GLOBALS['LANG']->getLL('labels.username', TRUE),
313 'LABEL_OPENID' => $GLOBALS['LANG']->getLL('labels.openId', TRUE),
314 'LABEL_PASSWORD' => $GLOBALS['LANG']->getLL('labels.password', TRUE),
315 'LABEL_WHATISOPENID' => $GLOBALS['LANG']->getLL('labels.whatIsOpenId', TRUE),
316 'LABEL_SWITCHOPENID' => $GLOBALS['LANG']->getLL('labels.switchToOpenId', TRUE),
317 'LABEL_SWITCHDEFAULT' => $GLOBALS['LANG']->getLL('labels.switchToDefault', TRUE),
318 'CLEAR' => $GLOBALS['LANG']->getLL('clear', TRUE),
319 'LOGIN_PROCESS' => $GLOBALS['LANG']->getLL('login_process', TRUE),
320 'SITELINK' => '<a href="/">###SITENAME###</a>',
321
322 // Global variables will now be replaced (at last)
323 'SITENAME' => htmlspecialchars($GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename'])
324 );
325 return t3lib_parsehtml::substituteMarkerArray($mainContent, $markers, '###|###');
326 }
327
328 /**
329 * Checking, if we should perform some sort of redirection OR closing of windows.
330 *
331 * @return void
332 */
333 function checkRedirect() {
334 // Do redirect:
335 // If a user is logged in AND a) if either the login is just done (isLoginInProgress) or b) a loginRefresh is done or c) the interface-selector is NOT enabled (If it is on the other hand, it should not just load an interface, because people has to choose then...)
336 if ($GLOBALS['BE_USER']->user['uid'] && ($this->isLoginInProgress() || $this->loginRefresh || !$this->interfaceSelector)) {
337
338 // 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.
339 if (!$_COOKIE[t3lib_beUserAuth::getCookieName()]) {
340 if ($this->commandLI == 'setCookie') {
341 // we tried it a second time but still no cookie
342 // 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.
343 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);
344 } else {
345 // try it once again - that might be needed for auto login
346 $this->redirectToURL = 'index.php?commandLI=setCookie';
347 }
348 }
349
350 if (($redirectToURL = (string)$GLOBALS['BE_USER']->getTSConfigVal('auth.BE.redirectToURL'))) {
351 $this->redirectToURL = $redirectToURL;
352 $this->GPinterface = '';
353 }
354
355 // store interface
356 $GLOBALS['BE_USER']->uc['interfaceSetup'] = $this->GPinterface;
357 $GLOBALS['BE_USER']->writeUC();
358
359 // Based on specific setting of interface we set the redirect script:
360 switch ($this->GPinterface) {
361 case 'backend':
362 case 'backend_old':
363 $this->redirectToURL = 'backend.php';
364 break;
365 case 'frontend':
366 $this->redirectToURL = '../';
367 break;
368 }
369
370 $formProtection = t3lib_formprotection_Factory::get();
371 // If there is a redirect URL AND if loginRefresh is not set...
372 if (!$this->loginRefresh) {
373 $formProtection->storeSessionTokenInRegistry();
374 t3lib_utility_Http::redirect($this->redirectToURL);
375 } else {
376 $formProtection->setSessionTokenFromRegistry();
377 $formProtection->persistSessionToken();
378 $GLOBALS['TBE_TEMPLATE']->JScode.=$GLOBALS['TBE_TEMPLATE']->wrapScriptTags('
379 if (parent.opener && (parent.opener.busy || parent.opener.TYPO3.loginRefresh)) {
380 if (parent.opener.TYPO3.loginRefresh) {
381 parent.opener.TYPO3.loginRefresh.startTimer();
382 } else {
383 parent.opener.busy.loginRefreshed();
384 }
385 parent.close();
386 }
387 ');
388 }
389 } elseif (!$GLOBALS['BE_USER']->user['uid'] && $this->isLoginInProgress()) {
390 // Wrong password, wait for 5 seconds
391 sleep(5);
392 }
393 }
394
395 /**
396 * Making interface selector:
397 *
398 * @return void
399 */
400 function makeInterfaceSelectorBox() {
401 // Reset variables:
402 $this->interfaceSelector = '';
403 $this->interfaceSelector_hidden='';
404 $this->interfaceSelector_jump = '';
405
406 // If interfaces are defined AND no input redirect URL in GET vars:
407 if ($GLOBALS['TYPO3_CONF_VARS']['BE']['interfaces'] && ($this->isLoginInProgress() || !$this->redirect_url)) {
408 $parts = t3lib_div::trimExplode(',', $GLOBALS['TYPO3_CONF_VARS']['BE']['interfaces']);
409 // Only if more than one interface is defined will we show the selector:
410 if (count($parts) > 1) {
411
412 // Initialize:
413 $labels = array();
414
415 $labels['backend'] = $GLOBALS['LANG']->getLL('interface.backend');
416 $labels['backend_old'] = $GLOBALS['LANG']->getLL('interface.backend_old');
417 $labels['frontend'] = $GLOBALS['LANG']->getLL('interface.frontend');
418
419 $jumpScript = array();
420 $jumpScript['backend'] = 'backend.php';
421 $jumpScript['backend_old'] = 'backend.php';
422 $jumpScript['frontend'] = '../';
423
424 // Traverse the interface keys:
425 foreach ($parts as $valueStr) {
426 $this->interfaceSelector.='
427 <option value="'.htmlspecialchars($valueStr).'"'.(t3lib_div::_GP('interface')==htmlspecialchars($valueStr) ? ' selected="selected"' : '').'>'.htmlspecialchars($labels[$valueStr]).'</option>';
428 $this->interfaceSelector_jump.='
429 <option value="'.htmlspecialchars($jumpScript[$valueStr]).'">'.htmlspecialchars($labels[$valueStr]).'</option>';
430 }
431 $this->interfaceSelector='
432 <select id="t3-interfaceselector" name="interface" class="c-interfaceselector" tabindex="3">'.$this->interfaceSelector.'
433 </select>';
434 $this->interfaceSelector_jump='
435 <select id="t3-interfaceselector" name="interface" class="c-interfaceselector" tabindex="3" onchange="window.location.href=this.options[this.selectedIndex].value;">'.$this->interfaceSelector_jump.'
436 </select>';
437
438 } elseif (!$this->redirect_url) {
439 // If there is only ONE interface value set and no redirect_url is present:
440 $this->interfaceSelector_hidden='<input type="hidden" name="interface" value="'.trim($GLOBALS['TYPO3_CONF_VARS']['BE']['interfaces']).'" />';
441 }
442 }
443 }
444
445 /**
446 * COPYRIGHT notice
447 *
448 * Warning:
449 * DO NOT prevent this notice from being shown in ANY WAY.
450 * 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)
451 * 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.
452 *
453 * @return string Text/Image (HTML) for copyright notice.
454 */
455 function makeCopyrightNotice() {
456
457 // Get values from TYPO3_CONF_VARS:
458 $loginCopyrightWarrantyProvider = strip_tags(trim($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightWarrantyProvider']));
459 $loginCopyrightWarrantyURL = strip_tags(trim($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightWarrantyURL']));
460 $loginImageSmall = (trim($GLOBALS['TBE_STYLES']['loginBoxImageSmall'])) ? trim($GLOBALS['TBE_STYLES']['loginBoxImageSmall']) : 'gfx/loginlogo_transp.gif';
461
462 // Make warranty note:
463 if (strlen($loginCopyrightWarrantyProvider)>=2 && strlen($loginCopyrightWarrantyURL)>=10) {
464 $warrantyNote = sprintf($GLOBALS['LANG']->getLL('warranty.by'), htmlspecialchars($loginCopyrightWarrantyProvider), '<a href="' . htmlspecialchars($loginCopyrightWarrantyURL) . '" target="_blank">', '</a>');
465 } else {
466 $warrantyNote = sprintf($GLOBALS['LANG']->getLL('no.warranty'), '<a href="' . TYPO3_URL_LICENSE . '" target="_blank">', '</a>');
467 }
468
469 // Compile full copyright notice:
470 $copyrightNotice = '<a href="' . TYPO3_URL_GENERAL . '" target="_blank">'.
471 '<img src="' . $loginImageSmall . '" alt="' . $GLOBALS['LANG']->getLL('typo3.logo') . '" align="left" />' .
472 $GLOBALS['LANG']->getLL('typo3.cms') . ($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightShowVersion']?' ' . $GLOBALS['LANG']->getLL('version.short') . ' ' . htmlspecialchars(TYPO3_version):'') .
473 '</a>. ' .
474 $GLOBALS['LANG']->getLL('copyright') . ' &copy; ' . TYPO3_copyright_year . ' Kasper Sk&#229;rh&#248;j. ' . $GLOBALS['LANG']->getLL('extension.copyright') . ' ' .
475 sprintf($GLOBALS['LANG']->getLL('details.link'), '<a href="' . TYPO3_URL_GENERAL . '" target="_blank">' . TYPO3_URL_GENERAL . '</a>') . '<br /> ' .
476 $warrantyNote . ' ' .
477 sprintf($GLOBALS['LANG']->getLL('free.software'), '<a href="' . TYPO3_URL_LICENSE . '" target="_blank">', '</a> ') .
478 $GLOBALS['LANG']->getLL('keep.notice');
479
480 // Return notice:
481 return $copyrightNotice;
482 }
483
484 /**
485 * Returns the login box image, whether the default or an image from the rotation folder.
486 *
487 * @return string HTML image tag.
488 */
489 function makeLoginBoxImage() {
490 $loginboxImage = '';
491 // Look for rotation image folder:
492 if ($GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder']) {
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 // Development version
517 if (strstr(TYPO3_version, '-dev')) {
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 ?>