typo3/sysext/backend/Classes/Controller/LoginController.php

   1 <?php
   2 namespace TYPO3\CMS\Backend\Controller;
   3
   4 /**
   5  * Script Class for rendering the login form
   6  *
   7  * @author Kasper Skårhøj <kasperYYYY@typo3.com>
   8  */
   9 class LoginController {
  10
  11         const SIGNAL_RenderLoginForm = 'renderLoginForm';
  12         // Internal, GPvars:
  13         // GPvar: redirect_url; The URL to redirect to after login.
  14         /**
  15          * @todo Define visibility
  16          */
  17         public $redirect_url;
  18
  19         // GPvar: Defines which interface to load (from interface selector)
  20         /**
  21          * @todo Define visibility
  22          */
  23         public $GPinterface;
  24
  25         // GPvar: preset username
  26         /**
  27          * @todo Define visibility
  28          */
  29         public $u;
  30
  31         // GPvar: preset password
  32         /**
  33          * @todo Define visibility
  34          */
  35         public $p;
  36
  37         // GPvar: If "L" is "OUT", then any logged in used is logged out. If redirect_url is given, we redirect to it
  38         /**
  39          * @todo Define visibility
  40          */
  41         public $L;
  42
  43         // 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.
  44         /**
  45          * @todo Define visibility
  46          */
  47         public $loginRefresh;
  48
  49         // Value of forms submit button for login.
  50         /**
  51          * @todo Define visibility
  52          */
  53         public $commandLI;
  54
  55         // Internal, static:
  56         // Set to the redirect URL of the form (may be redirect_url or "backend.php")
  57         /**
  58          * @todo Define visibility
  59          */
  60         public $redirectToURL;
  61
  62         // Internal, dynamic:
  63         // Content accumulation
  64         /**
  65          * @todo Define visibility
  66          */
  67         public $content;
  68
  69         // A selector box for selecting value for "interface" may be rendered into this variable
  70         /**
  71          * @todo Define visibility
  72          */
  73         public $interfaceSelector;
  74
  75         // A selector box for selecting value for "interface" may be rendered into this variable
  76         // this will have an onchange action which will redirect the user to the selected interface right away
  77         /**
  78          * @todo Define visibility
  79          */
  80         public $interfaceSelector_jump;
  81
  82         // A hidden field, if the interface is not set.
  83         /**
  84          * @todo Define visibility
  85          */
  86         public $interfaceSelector_hidden;
  87
  88         // Additional hidden fields to be placed at the login form
  89         /**
  90          * @todo Define visibility
  91          */
  92         public $addFields_hidden = '';
  93
  94         // sets the level of security. *'normal' = clear-text. 'challenged' = hashed
  95         // password/username from form in $formfield_uident. 'superchallenged' = hashed password hashed again with username.
  96         /**
  97          * @todo Define visibility
  98          */
  99         public $loginSecurityLevel = 'superchallenged';
 100
 101         /**
 102          * @var \TYPO3\CMS\Extbase\SignalSlot\Dispatcher
 103          */
 104         protected $signalSlotDispatcher;
 105
 106         /**
 107          * Initialize the login box. Will also react on a &L=OUT flag and exit.
 108          *
 109          * @return void
 110          * @todo Define visibility
 111          */
 112         public function init() {
 113                 // We need a PHP session session for most login levels
 114                 session_start();
 115                 $this->redirect_url = \TYPO3\CMS\Core\Utility\GeneralUtility::sanitizeLocalUrl(\TYPO3\CMS\Core\Utility\GeneralUtility::_GP('redirect_url'));
 116                 $this->GPinterface = \TYPO3\CMS\Core\Utility\GeneralUtility::_GP('interface');
 117                 // Grabbing preset username and password, for security reasons this feature only works if SSL is used
 118                 if (\TYPO3\CMS\Core\Utility\GeneralUtility::getIndpEnv('TYPO3_SSL')) {
 119                         $this->u = \TYPO3\CMS\Core\Utility\GeneralUtility::_GP('u');
 120                         $this->p = \TYPO3\CMS\Core\Utility\GeneralUtility::_GP('p');
 121                 }
 122                 // If "L" is "OUT", then any logged in is logged out. If redirect_url is given, we redirect to it
 123                 $this->L = \TYPO3\CMS\Core\Utility\GeneralUtility::_GP('L');
 124                 // Login
 125                 $this->loginRefresh = \TYPO3\CMS\Core\Utility\GeneralUtility::_GP('loginRefresh');
 126                 // Value of "Login" button. If set, the login button was pressed.
 127                 $this->commandLI = \TYPO3\CMS\Core\Utility\GeneralUtility::_GP('commandLI');
 128                 // Sets the level of security from conf vars
 129                 if ($GLOBALS['TYPO3_CONF_VARS']['BE']['loginSecurityLevel']) {
 130                         $this->loginSecurityLevel = $GLOBALS['TYPO3_CONF_VARS']['BE']['loginSecurityLevel'];
 131                 }
 132                 // Try to get the preferred browser language
 133                 $preferredBrowserLanguage = $GLOBALS['LANG']->csConvObj->getPreferredClientLanguage(\TYPO3\CMS\Core\Utility\GeneralUtility::getIndpEnv('HTTP_ACCEPT_LANGUAGE'));
 134                 // If we found a $preferredBrowserLanguage and it is not the default language and no be_user is logged in
 135                 // initialize $GLOBALS['LANG'] again with $preferredBrowserLanguage
 136                 if ($preferredBrowserLanguage != 'default' && !$GLOBALS['BE_USER']->user['uid']) {
 137                         $GLOBALS['LANG']->init($preferredBrowserLanguage);
 138                 }
 139                 $GLOBALS['LANG']->includeLLFile('EXT:lang/locallang_login.xml');
 140                 // Setting the redirect URL to "backend.php" if no alternative input is given
 141                 $this->redirectToURL = $this->redirect_url ? $this->redirect_url : 'backend.php';
 142                 // Do a logout if the command is set
 143                 if ($this->L == 'OUT' && is_object($GLOBALS['BE_USER'])) {
 144                         $GLOBALS['BE_USER']->logoff();
 145                         if ($this->redirect_url) {
 146                                 \TYPO3\CMS\Core\Utility\HttpUtility::redirect($this->redirect_url);
 147                         }
 148                         die;
 149                 }
 150         }
 151
 152         /**
 153          * Main function - creating the login/logout form
 154          *
 155          * @return void
 156          * @todo Define visibility
 157          */
 158         public function main() {
 159                 // Initialize template object:
 160                 $GLOBALS['TBE_TEMPLATE']->bodyTagAdditions = ' onload="startUp();"';
 161                 $GLOBALS['TBE_TEMPLATE']->moduleTemplate = $GLOBALS['TBE_TEMPLATE']->getHtmlTemplate('templates/login.html');
 162                 $GLOBALS['TBE_TEMPLATE']->getPageRenderer()->loadExtJS();
 163                 $GLOBALS['TBE_TEMPLATE']->getPageRenderer()->loadPrototype();
 164                 $GLOBALS['TBE_TEMPLATE']->getPageRenderer()->loadScriptaculous();
 165                 // Set JavaScript for creating a MD5 hash of the password:
 166                 $GLOBALS['TBE_TEMPLATE']->JScode .= $this->getJScode();
 167                 // Checking, if we should make a redirect.
 168                 // Might set JavaScript in the header to close window.
 169                 $this->checkRedirect();
 170                 // Initialize interface selectors:
 171                 $this->makeInterfaceSelectorBox();
 172                 // Creating form based on whether there is a login or not:
 173                 if (!$GLOBALS['BE_USER']->user['uid']) {
 174                         $GLOBALS['TBE_TEMPLATE']->form = $this->startForm();
 175                         $loginForm = $this->makeLoginForm();
 176                 } else {
 177                         $GLOBALS['TBE_TEMPLATE']->form = '
 178                                 <form action="index.php" method="post" name="loginform">
 179                                 <input type="hidden" name="login_status" value="logout" />
 180                                 ';
 181                         $loginForm = $this->makeLogoutForm();
 182                 }
 183                 // Starting page:
 184                 $this->content .= $GLOBALS['TBE_TEMPLATE']->startPage('TYPO3 Login: ' . $GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename'], FALSE);
 185                 // Add login form:
 186                 $this->content .= $this->wrapLoginForm($loginForm);
 187                 $this->content .= $GLOBALS['TBE_TEMPLATE']->endPage();
 188         }
 189
 190         /**
 191          * Outputting the accumulated content to screen
 192          *
 193          * @return void
 194          * @todo Define visibility
 195          */
 196         public function printContent() {
 197                 echo $this->content;
 198         }
 199
 200         /*****************************
 201          *
 202          * Various functions
 203          *
 204          ******************************/
 205         /**
 206          * Creates the login form
 207          * This is drawn when NO login exists.
 208          *
 209          * @return string HTML output
 210          * @todo Define visibility
 211          */
 212         public function makeLoginForm() {
 213                 $content = \TYPO3\CMS\Core\Html\HtmlParser::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###LOGIN_FORM###');
 214                 $markers = array(
 215                         'VALUE_USERNAME' => htmlspecialchars($this->u),
 216                         'VALUE_PASSWORD' => htmlspecialchars($this->p),
 217                         'VALUE_SUBMIT' => $GLOBALS['LANG']->getLL('labels.submitLogin', TRUE)
 218                 );
 219                 // Show an error message if the login command was successful already, otherwise remove the subpart
 220                 if (!$this->isLoginInProgress()) {
 221                         $content = \TYPO3\CMS\Core\Html\HtmlParser::substituteSubpart($content, '###LOGIN_ERROR###', '');
 222                 } else {
 223                         $markers['ERROR_MESSAGE'] = $GLOBALS['LANG']->getLL('error.login', TRUE);
 224                         $markers['ERROR_LOGIN_TITLE'] = $GLOBALS['LANG']->getLL('error.login.title', TRUE);
 225                         $markers['ERROR_LOGIN_DESCRIPTION'] = $GLOBALS['LANG']->getLL('error.login.description', TRUE);
 226                 }
 227                 // Remove the interface selector markers if it's not available
 228                 if (!($this->interfaceSelector && !$this->loginRefresh)) {
 229                         $content = \TYPO3\CMS\Core\Html\HtmlParser::substituteSubpart($content, '###INTERFACE_SELECTOR###', '');
 230                 } else {
 231                         $markers['LABEL_INTERFACE'] = $GLOBALS['LANG']->getLL('labels.interface', TRUE);
 232                         $markers['VALUE_INTERFACE'] = $this->interfaceSelector;
 233                 }
 234                 return \TYPO3\CMS\Core\Html\HtmlParser::substituteMarkerArray($content, $markers, '###|###');
 235         }
 236
 237         /**
 238          * Creates the logout form
 239          * This is drawn if a user login already exists.
 240          *
 241          * @return string HTML output
 242          * @todo Define visibility
 243          */
 244         public function makeLogoutForm() {
 245                 $content = \TYPO3\CMS\Core\Html\HtmlParser::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###LOGOUT_FORM###');
 246                 $markers = array(
 247                         'LABEL_USERNAME' => $GLOBALS['LANG']->getLL('labels.username', TRUE),
 248                         'VALUE_USERNAME' => htmlspecialchars($GLOBALS['BE_USER']->user['username']),
 249                         'VALUE_SUBMIT' => $GLOBALS['LANG']->getLL('labels.submitLogout', TRUE)
 250                 );
 251                 // Remove the interface selector markers if it's not available
 252                 if (!$this->interfaceSelector_jump) {
 253                         $content = \TYPO3\CMS\Core\Html\HtmlParser::substituteSubpart($content, '###INTERFACE_SELECTOR###', '');
 254                 } else {
 255                         $markers['LABEL_INTERFACE'] = $GLOBALS['LANG']->getLL('labels.interface', TRUE);
 256                         $markers['VALUE_INTERFACE'] = $this->interfaceSelector_jump;
 257                 }
 258                 return \TYPO3\CMS\Core\Html\HtmlParser::substituteMarkerArray($content, $markers, '###|###');
 259         }
 260
 261         /**
 262          * Wrapping the login form table in another set of tables etc:
 263          *
 264          * @param string $content HTML content for the login form
 265          * @return string The HTML for the page.
 266          * @todo Define visibility
 267          */
 268         public function wrapLoginForm($content) {
 269                 $mainContent = \TYPO3\CMS\Core\Html\HtmlParser::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###PAGE###');
 270                 if ($GLOBALS['TBE_STYLES']['logo_login']) {
 271                         $logo = '<img src="' . htmlspecialchars(($GLOBALS['BACK_PATH'] . $GLOBALS['TBE_STYLES']['logo_login'])) . '" alt="" />';
 272                 } else {
 273                         $logo = '<img' . \TYPO3\CMS\Backend\Utility\IconUtility::skinImg($GLOBALS['BACK_PATH'], 'gfx/typo3logo.gif', 'width="123" height="34"') . ' alt="" />';
 274                 }
 275                 /** @var $browserWarning \TYPO3\CMS\Core\Messaging\FlashMessage */
 276                 $browserWarning = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Core\\Messaging\\FlashMessage', $GLOBALS['LANG']->getLL('warning.incompatibleBrowser') . ' ' . $GLOBALS['LANG']->getLL('warning.incompatibleBrowserInternetExplorer'), $GLOBALS['LANG']->getLL('warning.incompatibleBrowserHeadline'), \TYPO3\CMS\Core\Messaging\FlashMessage::ERROR);
 277                 $browserWarning = $browserWarning->render();
 278                 $additionalCssClasses = array();
 279                 if ($this->isLoginInProgress()) {
 280                         $additionalCssClasses[] = 'error';
 281                 }
 282                 if ($this->loginRefresh) {
 283                         $additionalCssClasses[] = 'refresh';
 284                 }
 285                 $markers = array(
 286                         'LOGO' => $logo,
 287                         'LOGINBOX_IMAGE' => $this->makeLoginBoxImage(),
 288                         'FORM' => $content,
 289                         'NEWS' => $this->makeLoginNews(),
 290                         'COPYRIGHT' => \TYPO3\CMS\Backend\Utility\BackendUtility::TYPO3_copyRightNotice(),
 291                         'CSS_CLASSES' => !empty($additionalCssClasses) ? 'class="' . implode(' ', $additionalCssClasses) . '"' : '',
 292                         'CSS_OPENIDCLASS' => 't3-login-openid-' . (\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::isLoaded('openid') ? 'enabled' : 'disabled'),
 293                         // The labels will be replaced later on, thus the other parts above
 294                         // can use these markers as well and it will be replaced
 295                         'HEADLINE' => $GLOBALS['LANG']->getLL('headline', TRUE),
 296                         'INFO_ABOUT' => $GLOBALS['LANG']->getLL('info.about', TRUE),
 297                         'INFO_RELOAD' => $GLOBALS['LANG']->getLL('info.reset', TRUE),
 298                         'INFO' => $GLOBALS['LANG']->getLL('info.cookies_and_js', TRUE),
 299                         'WARNING_BROWSER_INCOMPATIBLE' => $browserWarning,
 300                         'ERROR_JAVASCRIPT' => $GLOBALS['LANG']->getLL('error.javascript', TRUE),
 301                         'ERROR_COOKIES' => $GLOBALS['LANG']->getLL('error.cookies', TRUE),
 302                         'ERROR_COOKIES_IGNORE' => $GLOBALS['LANG']->getLL('error.cookies_ignore', TRUE),
 303                         'ERROR_CAPSLOCK' => $GLOBALS['LANG']->getLL('error.capslock', TRUE),
 304                         'ERROR_FURTHERHELP' => $GLOBALS['LANG']->getLL('error.furtherInformation', TRUE),
 305                         'LABEL_DONATELINK' => $GLOBALS['LANG']->getLL('labels.donate', TRUE),
 306                         'LABEL_USERNAME' => $GLOBALS['LANG']->getLL('labels.username', TRUE),
 307                         'LABEL_OPENID' => $GLOBALS['LANG']->getLL('labels.openId', TRUE),
 308                         'LABEL_PASSWORD' => $GLOBALS['LANG']->getLL('labels.password', TRUE),
 309                         'LABEL_WHATISOPENID' => $GLOBALS['LANG']->getLL('labels.whatIsOpenId', TRUE),
 310                         'LABEL_SWITCHOPENID' => $GLOBALS['LANG']->getLL('labels.switchToOpenId', TRUE),
 311                         'LABEL_SWITCHDEFAULT' => $GLOBALS['LANG']->getLL('labels.switchToDefault', TRUE),
 312                         'CLEAR' => $GLOBALS['LANG']->getLL('clear', TRUE),
 313                         'LOGIN_PROCESS' => $GLOBALS['LANG']->getLL('login_process', TRUE),
 314                         'SITELINK' => '<a href="/">###SITENAME###</a>',
 315                         // Global variables will now be replaced (at last)
 316                         'SITENAME' => htmlspecialchars($GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename'])
 317                 );
 318                 $this->emitRenderLoginFormSignal($markers);
 319                 return \TYPO3\CMS\Core\Html\HtmlParser::substituteMarkerArray($mainContent, $markers, '###|###');
 320         }
 321
 322         /**
 323          * Checking, if we should perform some sort of redirection OR closing of windows.
 324          *
 325          * @return void
 326          * @todo Define visibility
 327          */
 328         public function checkRedirect() {
 329                 // Do redirect:
 330                 // If a user is logged in AND a) if either the login is just done (isLoginInProgress) or b) a loginRefresh is done or c) the interface-selector is NOT enabled (If it is on the other hand, it should not just load an interface, because people has to choose then...)
 331                 if ($GLOBALS['BE_USER']->user['uid'] && ($this->isLoginInProgress() || $this->loginRefresh || !$this->interfaceSelector)) {
 332                         // 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.
 333                         if (!$_COOKIE[\TYPO3\CMS\Core\Authentication\BackendUserAuthentication::getCookieName()]) {
 334                                 if ($this->commandLI == 'setCookie') {
 335                                         // we tried it a second time but still no cookie
 336                                         // 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.
 337                                         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);
 338                                 } else {
 339                                         // try it once again - that might be needed for auto login
 340                                         $this->redirectToURL = 'index.php?commandLI=setCookie';
 341                                 }
 342                         }
 343                         if ($redirectToURL = (string) $GLOBALS['BE_USER']->getTSConfigVal('auth.BE.redirectToURL')) {
 344                                 $this->redirectToURL = $redirectToURL;
 345                                 $this->GPinterface = '';
 346                         }
 347                         // store interface
 348                         $GLOBALS['BE_USER']->uc['interfaceSetup'] = $this->GPinterface;
 349                         $GLOBALS['BE_USER']->writeUC();
 350                         // Based on specific setting of interface we set the redirect script:
 351                         switch ($this->GPinterface) {
 352                         case 'backend':
 353
 354                         case 'backend_old':
 355                                 $this->redirectToURL = 'backend.php';
 356                                 break;
 357                         case 'frontend':
 358                                 $this->redirectToURL = '../';
 359                                 break;
 360                         }
 361                         /** @var $formProtection \TYPO3\CMS\Core\FormProtection\BackendFormProtection */
 362                         $formProtection = \TYPO3\CMS\Core\FormProtection\FormProtectionFactory::get();
 363                         // If there is a redirect URL AND if loginRefresh is not set...
 364                         if (!$this->loginRefresh) {
 365                                 $formProtection->storeSessionTokenInRegistry();
 366                                 \TYPO3\CMS\Core\Utility\HttpUtility::redirect($this->redirectToURL);
 367                         } else {
 368                                 $formProtection->setSessionTokenFromRegistry();
 369                                 $formProtection->persistSessionToken();
 370                                 $GLOBALS['TBE_TEMPLATE']->JScode .= $GLOBALS['TBE_TEMPLATE']->wrapScriptTags('
 371                                         if (parent.opener && (parent.opener.busy || parent.opener.TYPO3.loginRefresh)) {
 372                                                 if (parent.opener.TYPO3.loginRefresh) {
 373                                                         parent.opener.TYPO3.loginRefresh.startTimer();
 374                                                 } else {
 375                                                         parent.opener.busy.loginRefreshed();
 376                                                 }
 377                                                 parent.close();
 378                                         }
 379                                 ');
 380                         }
 381                 } elseif (!$GLOBALS['BE_USER']->user['uid'] && $this->isLoginInProgress()) {
 382                         // Wrong password, wait for 5 seconds
 383                         sleep(5);
 384                 }
 385         }
 386
 387         /**
 388          * Making interface selector:
 389          *
 390          * @return void
 391          * @todo Define visibility
 392          */
 393         public function makeInterfaceSelectorBox() {
 394                 // Reset variables:
 395                 $this->interfaceSelector = '';
 396                 $this->interfaceSelector_hidden = '';
 397                 $this->interfaceSelector_jump = '';
 398                 // If interfaces are defined AND no input redirect URL in GET vars:
 399                 if ($GLOBALS['TYPO3_CONF_VARS']['BE']['interfaces'] && ($this->isLoginInProgress() || !$this->redirect_url)) {
 400                         $parts = \TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(',', $GLOBALS['TYPO3_CONF_VARS']['BE']['interfaces']);
 401                         // Only if more than one interface is defined will we show the selector:
 402                         if (count($parts) > 1) {
 403                                 // Initialize:
 404                                 $labels = array();
 405                                 $labels['backend'] = $GLOBALS['LANG']->getLL('interface.backend');
 406                                 $labels['backend_old'] = $GLOBALS['LANG']->getLL('interface.backend_old');
 407                                 $labels['frontend'] = $GLOBALS['LANG']->getLL('interface.frontend');
 408                                 $jumpScript = array();
 409                                 $jumpScript['backend'] = 'backend.php';
 410                                 $jumpScript['backend_old'] = 'backend.php';
 411                                 $jumpScript['frontend'] = '../';
 412                                 // Traverse the interface keys:
 413                                 foreach ($parts as $valueStr) {
 414                                         $this->interfaceSelector .= '
 415                                                         <option value="' . htmlspecialchars($valueStr) . '"' . (\TYPO3\CMS\Core\Utility\GeneralUtility::_GP('interface') == htmlspecialchars($valueStr) ? ' selected="selected"' : '') . '>' . htmlspecialchars($labels[$valueStr]) . '</option>';
 416                                         $this->interfaceSelector_jump .= '
 417                                                         <option value="' . htmlspecialchars($jumpScript[$valueStr]) . '">' . htmlspecialchars($labels[$valueStr]) . '</option>';
 418                                 }
 419                                 $this->interfaceSelector = '
 420                                                 <select id="t3-interfaceselector" name="interface" class="c-interfaceselector" tabindex="3">' . $this->interfaceSelector . '
 421                                                 </select>';
 422                                 $this->interfaceSelector_jump = '
 423                                                 <select id="t3-interfaceselector" name="interface" class="c-interfaceselector" tabindex="3" onchange="window.location.href=this.options[this.selectedIndex].value;">' . $this->interfaceSelector_jump . '
 424                                                 </select>';
 425                         } elseif (!$this->redirect_url) {
 426                                 // If there is only ONE interface value set and no redirect_url is present:
 427                                 $this->interfaceSelector_hidden = '<input type="hidden" name="interface" value="' . trim($GLOBALS['TYPO3_CONF_VARS']['BE']['interfaces']) . '" />';
 428                         }
 429                 }
 430         }
 431
 432         /**
 433          * COPYRIGHT notice
 434          *
 435          * Warning:
 436          * DO NOT prevent this notice from being shown in ANY WAY.
 437          * 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)
 438          * 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.
 439          *
 440          * @return string Text/Image (HTML) for copyright notice.
 441          *
 442          * @todo Define visibility
 443          * @deprecated since TYPO3 6.0, will be removed in TYPO3 6.2
 444          * @see \TYPO3\CMS\Backend\Utility\BackendUtility::TYPO3_copyRightNotice()
 445          */
 446         public function makeCopyrightNotice() {
 447                 \TYPO3\CMS\Core\Utility\GeneralUtility::logDeprecatedFunction();
 448                 return \TYPO3\CMS\Backend\Utility\BackendUtility::TYPO3_copyRightNotice();
 449         }
 450
 451         /**
 452          * Returns the login box image, whether the default or an image from the rotation folder.
 453          *
 454          * @return string HTML image tag.
 455          * @todo Define visibility
 456          */
 457         public function makeLoginBoxImage() {
 458                 $loginboxImage = '';
 459                 // Look for rotation image folder:
 460                 if ($GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder']) {
 461                         $absPath = \TYPO3\CMS\Core\Utility\GeneralUtility::resolveBackPath(PATH_typo3 . $GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder']);
 462                         // Get rotation folder:
 463                         $dir = \TYPO3\CMS\Core\Utility\GeneralUtility::getFileAbsFileName($absPath);
 464                         if ($dir && @is_dir($dir)) {
 465                                 // Get files for rotation into array:
 466                                 $files = \TYPO3\CMS\Core\Utility\GeneralUtility::getFilesInDir($dir, 'png,jpg,gif');
 467                                 // Pick random file:
 468                                 $randImg = array_rand($files, 1);
 469                                 // Get size of random file:
 470                                 $imgSize = @getimagesize(($dir . $files[$randImg]));
 471                                 $imgAuthor = is_array($GLOBALS['TBE_STYLES']['loginBoxImage_author']) && $GLOBALS['TBE_STYLES']['loginBoxImage_author'][$files[$randImg]] ? htmlspecialchars($GLOBALS['TBE_STYLES']['loginBoxImage_author'][$files[$randImg]]) : '';
 472                                 // Create image tag:
 473                                 if (is_array($imgSize)) {
 474                                         $loginboxImage = '<img src="' . htmlspecialchars(($GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder'] . $files[$randImg])) . '" ' . $imgSize[3] . ' id="loginbox-image" alt="' . $imgAuthor . '" title="' . $imgAuthor . '" />';
 475                                 }
 476                         }
 477                 } else {
 478                         // If no rotation folder configured, print default image:
 479                         // Development version
 480                         if (strstr(TYPO3_version, '-dev')) {
 481                                 $loginImage = 'loginbox_image_dev.png';
 482                                 $imagecopy = 'You are running a development version of TYPO3 ' . TYPO3_branch;
 483                         } else {
 484                                 $loginImage = 'loginbox_image.jpg';
 485                                 $imagecopy = 'Photo by J.C. Franca (www.digitalphoto.com.br)';
 486                         }
 487                         $loginboxImage = '<img' . \TYPO3\CMS\Backend\Utility\IconUtility::skinImg($GLOBALS['BACK_PATH'], ('gfx/' . $loginImage), 'width="200" height="133"') . ' id="loginbox-image" alt="' . $imagecopy . '" title="' . $imagecopy . '" />';
 488                 }
 489                 // Return image tag:
 490                 return $loginboxImage;
 491         }
 492
 493         /**
 494          * Make login news - renders the HTML content for a list of news shown under
 495          * the login form. News data is added through $GLOBALS['TYPO3_CONF_VARS']
 496          *
 497          * @return string HTML content
 498          * @credits Idea by Jan-Hendrik Heuing
 499          * @todo Define visibility
 500          */
 501         public function makeLoginNews() {
 502                 $newsContent = '';
 503                 $systemNews = $this->getSystemNews();
 504                 // Traverse news array IF there are records in it:
 505                 if (is_array($systemNews) && count($systemNews) && !\TYPO3\CMS\Core\Utility\GeneralUtility::_GP('loginRefresh')) {
 506                         /** @var $htmlParser \TYPO3\CMS\Core\Html\RteHtmlParser */
 507                         $htmlParser = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Core\\Html\\RteHtmlParser');
 508                         // Get the main news template, and replace the subpart after looped through
 509                         $newsContent = \TYPO3\CMS\Core\Html\HtmlParser::getSubpart($GLOBALS['TBE_TEMPLATE']->moduleTemplate, '###LOGIN_NEWS###');
 510                         $newsItemTemplate = \TYPO3\CMS\Core\Html\HtmlParser::getSubpart($newsContent, '###NEWS_ITEM###');
 511                         $newsItem = '';
 512                         $count = 1;
 513                         foreach ($systemNews as $newsItemData) {
 514                                 $additionalClass = '';
 515                                 if ($count == 1) {
 516                                         $additionalClass = ' first-item';
 517                                 } elseif ($count == count($systemNews)) {
 518                                         $additionalClass = ' last-item';
 519                                 }
 520                                 $newsItemContent = $htmlParser->TS_transform_rte($htmlParser->TS_links_rte($newsItemData['content']));
 521                                 $newsItemMarker = array(
 522                                         '###HEADER###' => htmlspecialchars($newsItemData['header']),
 523                                         '###DATE###' => htmlspecialchars($newsItemData['date']),
 524                                         '###CONTENT###' => $newsItemContent,
 525                                         '###CLASS###' => $additionalClass
 526                                 );
 527                                 $count++;
 528                                 $newsItem .= \TYPO3\CMS\Core\Html\HtmlParser::substituteMarkerArray($newsItemTemplate, $newsItemMarker);
 529                         }
 530                         $title = $GLOBALS['TYPO3_CONF_VARS']['BE']['loginNewsTitle'] ? $GLOBALS['TYPO3_CONF_VARS']['BE']['loginNewsTitle'] : $GLOBALS['LANG']->getLL('newsheadline');
 531                         $newsContent = \TYPO3\CMS\Core\Html\HtmlParser::substituteMarker($newsContent, '###NEWS_HEADLINE###', htmlspecialchars($title));
 532                         $newsContent = \TYPO3\CMS\Core\Html\HtmlParser::substituteSubpart($newsContent, '###NEWS_ITEM###', $newsItem);
 533                 }
 534                 return $newsContent;
 535         }
 536
 537         /**
 538          * Gets news from sys_news and converts them into a format suitable for
 539          * showing them at the login screen.
 540          *
 541          * @return array An array of login news.
 542          */
 543         protected function getSystemNews() {
 544                 $systemNewsTable = 'sys_news';
 545                 $systemNews = array();
 546                 $systemNewsRecords = $GLOBALS['TYPO3_DB']->exec_SELECTgetRows('title, content, crdate', $systemNewsTable, '1=1' . \TYPO3\CMS\Backend\Utility\BackendUtility::BEenableFields($systemNewsTable) . \TYPO3\CMS\Backend\Utility\BackendUtility::deleteClause($systemNewsTable), '', 'crdate DESC');
 547                 foreach ($systemNewsRecords as $systemNewsRecord) {
 548                         $systemNews[] = array(
 549                                 'date' => date($GLOBALS['TYPO3_CONF_VARS']['SYS']['ddmmyy'], $systemNewsRecord['crdate']),
 550                                 'header' => $systemNewsRecord['title'],
 551                                 'content' => $systemNewsRecord['content']
 552                         );
 553                 }
 554                 return $systemNews;
 555         }
 556
 557         /**
 558          * Returns the form tag
 559          *
 560          * @return string Opening form tag string
 561          * @todo Define visibility
 562          */
 563         public function startForm() {
 564                 $output = '';
 565                 // The form defaults to 'no login'. This prevents plain
 566                 // text logins to the Backend. The 'sv' extension changes the form to
 567                 // use superchallenged method and rsaauth extension makes rsa authetication.
 568                 $form = '<form action="index.php" method="post" name="loginform" ' . 'onsubmit="alert(\'No authentication methods available. Please, ' . 'contact your TYPO3 administrator.\');return false">';
 569                 // Call hooks. If they do not return anything, we fail to login
 570                 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/index.php']['loginFormHook'])) {
 571                         foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/index.php']['loginFormHook'] as $function) {
 572                                 $params = array();
 573                                 $formCode = \TYPO3\CMS\Core\Utility\GeneralUtility::callUserFunction($function, $params, $this);
 574                                 if ($formCode) {
 575                                         $form = $formCode;
 576                                         break;
 577                                 }
 578                         }
 579                 }
 580                 $output .= $form . '<input type="hidden" name="login_status" value="login" />' . '<input type="hidden" name="userident" value="" />' . '<input type="hidden" name="redirect_url" value="' . htmlspecialchars($this->redirectToURL) . '" />' . '<input type="hidden" name="loginRefresh" value="' . htmlspecialchars($this->loginRefresh) . '" />' . $this->interfaceSelector_hidden . $this->addFields_hidden;
 581                 return $output;
 582         }
 583
 584         /**
 585          * Creates JavaScript for the login form
 586          *
 587          * @return string JavaScript code
 588          * @todo Define visibility
 589          */
 590         public function getJScode() {
 591                 $JSCode = '';
 592                 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/index.php']['loginScriptHook'])) {
 593                         foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/index.php']['loginScriptHook'] as $function) {
 594                                 $params = array();
 595                                 $JSCode = \TYPO3\CMS\Core\Utility\GeneralUtility::callUserFunction($function, $params, $this);
 596                                 if ($JSCode) {
 597                                         break;
 598                                 }
 599                         }
 600                 }
 601                 $JSCode .= $GLOBALS['TBE_TEMPLATE']->wrapScriptTags('
 602                         function startUp() {
 603                                         // 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:
 604                                 try {
 605                                         if (parent.opener && parent.opener.TS && parent.opener.TS.username && document.loginform && document.loginform.username) {
 606                                                 document.loginform.username.value = parent.opener.TS.username;
 607                                         }
 608                                 }
 609                                 catch(error) {
 610                                         //continue
 611                                 }
 612
 613                                         // Wait a few millisecons before calling checkFocus(). This might be necessary because some browsers need some time to auto-fill in the form fields
 614                                 window.setTimeout("checkFocus()", 50);
 615                         }
 616
 617                                 // This moves focus to the right input field:
 618                         function checkFocus() {
 619                                         // If for some reason there already is a username in the username form field, move focus to the password field:
 620                                 if (document.loginform.username && document.loginform.username.value == "") {
 621                                         document.loginform.username.focus();
 622                                 } else if (document.loginform.p_field && document.loginform.p_field.type!="hidden") {
 623                                         document.loginform.p_field.focus();
 624                                 }
 625                         }
 626
 627                                 // This function shows a warning, if user has capslock enabled
 628                                 // parameter showWarning: shows warning if TRUE and capslock active, otherwise only hides warning, if capslock gets inactive
 629                         function checkCapslock(e, showWarning) {
 630                                 if (!isCapslock(e)) {
 631                                         document.getElementById(\'t3-capslock\').style.display = \'none\';
 632                                 } else if (showWarning) {
 633                                         document.getElementById(\'t3-capslock\').style.display = \'block\';
 634                                 }
 635                         }
 636
 637                                 // Checks weather capslock is enabled (returns TRUE if enabled, false otherwise)
 638                                 // thanks to http://24ways.org/2007/capturing-caps-lock
 639
 640                         function isCapslock(e) {
 641                                 var ev = e ? e : window.event;
 642                                 if (!ev) {
 643                                         return;
 644                                 }
 645                                 var targ = ev.target ? ev.target : ev.srcElement;
 646                                 // get key pressed
 647                                 var which = -1;
 648                                 if (ev.which) {
 649                                         which = ev.which;
 650                                 } else if (ev.keyCode) {
 651                                         which = ev.keyCode;
 652                                 }
 653                                 // get shift status
 654                                 var shift_status = false;
 655                                 if (ev.shiftKey) {
 656                                         shift_status = ev.shiftKey;
 657                                 } else if (ev.modifiers) {
 658                                         shift_status = !!(ev.modifiers & 4);
 659                                 }
 660                                 return (((which >= 65 && which <= 90) && !shift_status) ||
 661                                         ((which >= 97 && which <= 122) && shift_status));
 662                         }
 663
 664                                 // prevent opening the login form in the backend frameset
 665                         if (top.location.href != self.location.href) {
 666                                 top.location.href = self.location.href;
 667                         }
 668
 669                         ');
 670                 return $JSCode;
 671         }
 672
 673         /**
 674          * Checks if login credentials are currently submitted
 675          *
 676          * @return boolean
 677          */
 678         protected function isLoginInProgress() {
 679                 $username = \TYPO3\CMS\Core\Utility\GeneralUtility::_GP('username');
 680                 return !(empty($username) && empty($this->commandLI));
 681         }
 682
 683         /**
 684          * Emits the render login form signal
 685          *
 686          * @param array $markers Array with markers for the login form
 687          * @return void
 688          */
 689         protected function emitRenderLoginFormSignal(array &$markers) {
 690                 $this->getSignalSlotDispatcher()->dispatch('TYPO3\\CMS\\Backend\\Controller\\LoginController', self::SIGNAL_RenderLoginForm, array($this, $markers));
 691         }
 692
 693         /**
 694          * Get the SignalSlot dispatcher
 695          *
 696          * @return \TYPO3\CMS\Extbase\SignalSlot\Dispatcher
 697          */
 698         protected function getSignalSlotDispatcher() {
 699                 if (!isset($this->signalSlotDispatcher)) {
 700                         $this->signalSlotDispatcher = $this->getObjectManager()->get('TYPO3\\CMS\\Extbase\\SignalSlot\\Dispatcher');
 701                 }
 702                 return $this->signalSlotDispatcher;
 703         }
 704
 705         /**
 706          * Get the ObjectManager
 707          *
 708          * @return \TYPO3\CMS\Extbase\Object\ObjectManager
 709          */
 710         protected function getObjectManager() {
 711                 return \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Extbase\\Object\\ObjectManager');
 712         }
 713
 714 }
 715
 716
 717 ?>