Documentation TYPO3 par Ameos

Disponible dans d'autres versions de TYPO3 -> 3.7.0  3.8.1  4.0.0  4.0.1  4.1.0   <- Available in other TYPO3 versions

index.php

<?php
/***************************************************************
*  Copyright notice
*
*  (c) 1999-2005 Kasper Skaarhoj (kasperYYYY@typo3.com)
*  All rights reserved
*
*  This script is part of the TYPO3 project. The TYPO3 project is
*  free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 2 of the License, or
*  (at your option) any later version.
*
*  The GNU General Public License can be found at
*  http://www.gnu.org/copyleft/gpl.html.
*  A copy is found in the textfile GPL.txt and important notices to the license
*  from the author is found in LICENSE.txt distributed with these scripts.
*
*
*  This script is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/
define('TYPO3_PROCEED_IF_NO_USER', 1);
require ('init.php');
require ('template.php');















class SC_index {

                // Internal, GPvars:
        var $redirect_url;                      // GPvar: redirect_url; The URL to redirect to after login.
        var $GPinterface;                       // GPvar: Defines which interface to load (from interface selector)
        var $u;                                 // GPvar: preset username
        var $p;                                 // GPvar: preset password
        var $L;                                 // GPvar: If "L" is "OUT", then any logged in used is logged out. If redirect_url is given, we redirect to it
        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.
        var $commandLI;                         // Value of forms submit button for login.

                // Internal, static:
        var $redirectToURL;                     // Set to the redirect URL of the form (may be redirect_url or "alt_main.php")
        var $L_vars;                            // Set to the labels used for the login screen.

                // Internal, dynamic:
        var $content;                           // Content accumulation

        var $interfaceSelector;                 // A selector box for selecting value for "interface" may be rendered into this variable
        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
        var $interfaceSelector_hidden;  // A hidden field, if the interface is not set.

                // sets the level of security. *'normal' = clear-text. 'challenged' = hashed password/username from form in $formfield_uident. 'superchallenged' = hashed password hashed again with username.
        var $loginSecurityLevel = 'superchallenged';




        function init() {
                global $BE_USER,$TYPO3_CONF_VARS;

                        // GPvars:
                $this->redirect_url = t3lib_div::_GP('redirect_url');
                $this->GPinterface = t3lib_div::_GP('interface');

                if(t3lib_div::getIndpEnv('TYPO3_SSL'))  {       // For security reasons this feature only works if SSL is used
                        $this->u = t3lib_div::_GP('u');         // preset username
                        $this->p = t3lib_div::_GP('p');         // preset password
                }
                $this->L = t3lib_div::_GP('L');                         // If "L" is "OUT", then any logged in used is logged out. If redirect_url is given, we redirect to it
                $this->loginRefresh = t3lib_div::_GP('loginRefresh');   // Login
                $this->commandLI = t3lib_div::_GP('commandLI');         // Value of "Login" button. If set, the login button was pressed.

                        // sets the level of security from conf vars
                if ($TYPO3_CONF_VARS['BE']['loginSecurityLevel']) {
                        $this->loginSecurityLevel = $TYPO3_CONF_VARS['BE']['loginSecurityLevel'];
                }

                        // Getting login labels:
                $this->L_vars = explode('|',$TYPO3_CONF_VARS['BE']['loginLabels']);

                        // Setting the redirect URL to "alt_main.php" if no alternative input is given:
                $this->redirectToURL = $this->redirect_url ? $this->redirect_url : 'alt_main.php';

                        // Logout?
                if ($this->L=='OUT' && is_object($BE_USER))     {
                        $BE_USER->logoff();
                        if ($this->redirect_url)        header('Location: '.t3lib_div::locationHeaderUrl($this->redirect_url));
                        exit;
                }
        }

        function main() {
                global $TBE_TEMPLATE, $TYPO3_CONF_VARS, $BE_USER;

                        // Initialize template object:
                $TBE_TEMPLATE->docType='xhtml_trans';

                        // Set JavaScript for creating a MD5 hash of the password:
                $TBE_TEMPLATE->JScode.='
                        <script type="text/javascript" src="md5.js"></script>
                        '.$TBE_TEMPLATE->wrapScriptTags('
                                function doChallengeResponse(superchallenged) { //
                                        password = document.loginform.p_field.value;
                                        if (password)   {
                                                if (superchallenged)    {
                                                        password = MD5(password);       // this makes it superchallenged!!
                                                }
                                                str = document.loginform.username.value+":"+password+":"+document.loginform.challenge.value;
                                                document.loginform.userident.value = MD5(str);
                                                document.loginform.p_field.value = "";
                                                return true;
                                        }
                                }
                        ');


                        // Checking, if we should make a redirect.
                        // Might set JavaScript in the header to close window.
                $this->checkRedirect();

                        // Initialize interface selectors:
                $this->makeInterfaceSelectorBox();

                        // Replace an optional marker in the "Administration Login" label
                $this->L_vars[6] = str_replace("###SITENAME###",$TYPO3_CONF_VARS['SYS']['sitename'],$this->L_vars[6]);

                        // Creating form based on whether there is a login or not:
                if (!$BE_USER->user['uid'])     {

                        if ($this->loginSecurityLevel == 'challenged') {
                                $TBE_TEMPLATE->form = '
                                        <form action="index.php" method="post" name="loginform" onsubmit="doChallengeResponse(0);">
                                        ';
                        } elseif ($this->loginSecurityLevel == 'normal') {
                                $TBE_TEMPLATE->form = '
                                        <form action="index.php" method="post" name="loginform" onsubmit="document.loginform.userident.value=document.loginform.p_field.value;document.loginform.p_field.value=\'\';return true;">
                                        ';
                        } else { // if ($this->loginSecurityLevel == 'superchallenged') {
                                $TBE_TEMPLATE->form = '
                                        <form action="index.php" method="post" name="loginform" onsubmit="doChallengeResponse(1);">
                                        ';
                        }

                        $TBE_TEMPLATE->form.= '
                                        <input type="hidden" name="login_status" value="login" />
                                ';
                        $loginForm = $this->makeLoginForm();
                } else {
                        $TBE_TEMPLATE->form = '
                                <form action="index.php" method="post" name="loginform">
                                <input type="hidden" name="login_status" value="logout" />
                                ';
                        $loginForm = $this->makeLogoutForm();
                }


                        // Starting page:
                $this->content.=$TBE_TEMPLATE->startPage('TYPO3 Login: '.$TYPO3_CONF_VARS['SYS']['sitename']);

                        // Add login form:
                $this->content.=$this->wrapLoginForm($loginForm);

                        // Ending form:
                $this->content.= '
                        <input type="hidden" name="userident" value="" />
                        <input type="hidden" name="challenge" value="'.($challenge = md5(uniqid('').getmypid())).'" />
                        <input type="hidden" name="redirect_url" value="'.htmlspecialchars($this->redirectToURL).'" />
                        <input type="hidden" name="loginRefresh" value="'.htmlspecialchars($this->loginRefresh).'" />
                        '.$this->interfaceSelector_hidden.'
                        ';

                        // Save challenge value in session data (thanks to Bernhard Kraft for providing code):
                session_start();
                $_SESSION['login_challenge'] = $challenge;

                        // This moves focus to the right input field:
                $this->content.=$TBE_TEMPLATE->wrapScriptTags('

                                // 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:
                        if (parent.opener && parent.opener.TS && parent.opener.TS.username && document.loginform && document.loginform.username)        {
                                document.loginform.username.value = parent.opener.TS.username;
                        }

                                // If for some reason there already is a username in the username for field, move focus to the password field:
                        if (document.loginform.username && document.loginform.username.value == "") {
                                document.loginform.username.focus();
                        } else if (document.loginform.p_field && document.loginform.p_field.type!="hidden") {
                                document.loginform.p_field.focus();
                        }
                ');

                        // End page:
                $this->content.=$TBE_TEMPLATE->endPage();
        }

        function printContent() {

                echo $this->content;
        }








        /*****************************
         *
         * Various functions
         *
         ******************************/

        function makeLoginForm()        {

                        // There must be no white-spaces outside of the tags (needed for buggy IE)
                $content.=                              '<!--
                                                                Login form:
                                                        --><table cellspacing="0" cellpadding="0" border="0" id="logintable">
                                                                        <tr>
                                                                                <td colspan="2"><h2>'.htmlspecialchars($this->L_vars[6]).'</h2></td>
                                                                        </tr>'.($this->commandLI ? '
                                                                        <tr class="c-wrong">
                                                                                <td colspan="2"><p class="c-wrong">'.htmlspecialchars($this->L_vars[9]).'</p></td>
                                                                        </tr>' : '').'
                                                                        <tr class="c-username">
                                                                                <td><p class="c-username">'.htmlspecialchars($this->L_vars[0]).':</p></td>
                                                                                <td><input type="text" name="username" value="'.htmlspecialchars($this->u).'" class="c-username" /></td>
                                                                        </tr>
                                                                        <tr class="c-password">
                                                                                <td><p class="c-password">'.htmlspecialchars($this->L_vars[1]).':</p></td>
                                                                                <td><input type="password" name="p_field" value="'.htmlspecialchars($this->p).'" class="c-password" /></td>
                                                                        </tr>'.($this->interfaceSelector && !$this->loginRefresh ? '
                                                                        <tr class="c-interfaceselector">
                                                                                <td><p class="c-interfaceselector">'.htmlspecialchars($this->L_vars[2]).':</p></td>
                                                                                <td>'.$this->interfaceSelector.'</td>
                                                                        </tr>' : '' ).'
                                                                        <tr class="c-submit">
                                                                                <td></td>
                                                                                <td><input type="submit" name="commandLI" value="'.htmlspecialchars($this->L_vars[3]).'" class="c-submit" /></td>
                                                                        </tr>
                                                                        <tr class="c-info">
                                                                                <td colspan="2"><p class="c-info">'.htmlspecialchars($this->L_vars[7]).'</p></td>
                                                                        </tr>
                                                                </table>';

                        // Return content:
                return $content;
        }

        function makeLogoutForm()       {
                global $BE_USER;


                $content.='

                                                        <!--
                                                                Login form:
                                                        -->
                                                        <table cellspacing="0" cellpadding="0" border="0" id="logintable">
                                                                        <tr>
                                                                                <td></td>
                                                                                <td><h2>'.htmlspecialchars($this->L_vars[6]).'</h2></td>
                                                                        </tr>
                                                                        <tr class="c-username">
                                                                                <td><p class="c-username">'.htmlspecialchars($this->L_vars[0]).':</p></td>
                                                                                <td><p class="c-username-current">'.htmlspecialchars($BE_USER->user['username']).'</p></td>
                                                                        </tr>'.($this->interfaceSelector_jump ? '
                                                                        <tr class="c-interfaceselector">
                                                                                <td><p class="c-interfaceselector">'.htmlspecialchars($this->L_vars[2]).':</p></td>
                                                                                <td>'.$this->interfaceSelector_jump.'</td>
                                                                        </tr>' : '' ).'
                                                                        <tr class="c-submit">
                                                                                <td><input type="hidden" name="p_field" value="" /></td>
                                                                                <td><input type="submit" name="commandLO" value="'.htmlspecialchars($this->L_vars[4]).'" class="c-submit" /></td>
                                                                        </tr>
                                                                        <tr class="c-info">
                                                                                <td></td>
                                                                                <td><p class="c-info">'.htmlspecialchars($this->L_vars[7]).'</p></td>
                                                                        </tr>
                                                                </table>';

                        // Return content:
                return $content;
        }

        function wrapLoginForm($content)        {

                        // Logo:
                $logo = $GLOBALS['TBE_STYLES']['logo_login'] ?
                                        '<img src="'.htmlspecialchars($GLOBALS['BACK_PATH'].$GLOBALS['TBE_STYLES']['logo_login']).'" alt="" />' :
                                        '<img'.t3lib_iconWorks::skinImg($GLOBALS['BACK_PATH'],'gfx/typo3logo.gif','width="123" height="34"').' alt="" />';

                        // Login box image:
                $loginboxImage = $this->makeLoginBoxImage();

                        // Compile the page content:
                $content='

                <!--
                        Wrapper table for the login form:
                -->
                <table cellspacing="0" cellpadding="0" border="0" id="wrapper">
                        <tr>
                                <td class="c-wrappercell" align="center">

                                        <!--
                                                Login form image:
                                        -->
                                        <div id="loginimage">
                                                                                        '.$logo.'
                                        </div>

                                        <!--
                                                Login form wrapper:
                                        -->
                                        <table cellspacing="0" cellpadding="0" border="0" id="loginwrapper">
                                                <tr>
                                                        <td'.($this->commandLI ? ' class="error"' : '').'>'.$loginboxImage.
                                                                $content.'
                                                        </td>
                                                </tr>
                                        </table>

                                        <!--
                                                Copyright notice:
                                        -->
                                        <div id="copyrightnotice">
                                                '.$this->makeCopyrightNotice().'
                                        </div>

                                        '.$this->makeLoginNews().'
                                </td>
                        </tr>
                </table>';

                        // Return content:
                return $content;
        }

        function checkRedirect()        {
                global $BE_USER,$TBE_TEMPLATE;

                        // Do redirect:
                        // 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...)
                if ($BE_USER->user['uid'] && ($this->commandLI || $this->loginRefresh || !$this->interfaceSelector))    {

                                // 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.
                        if (!$_COOKIE[$BE_USER->name])  {
                                if ($this->commandLI=='setCookie') {
                                                // we tried it a second time but still no cookie
                                                // 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.
                                        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);
                                        exit;
                                } else {
                                                // try it once again - that might be needed for auto login
                                        $this->redirectToURL = 'index.php?commandLI=setCookie';
                                }
                        }

                        if($redirectToURL = (string)$BE_USER->getTSConfigVal('auth.BE.redirectToURL')) {
                                $this->redirectToURL = $redirectToURL;
                                $this->GPinterface = '';
                        }

                                // Based on specific setting of interface we set the redirect script:
                        switch ($this->GPinterface)     {
                                case 'backend':
                                        $this->redirectToURL = 'alt_main.php';
                                break;
                                case 'frontend':
                                        $this->redirectToURL = '../';
                                break;
                        }

                                // If there is a redirect URL AND if loginRefresh is not set...
                        if (!$this->loginRefresh)       {
                                header('Location: '.t3lib_div::locationHeaderUrl($this->redirectToURL));
                                exit;
                        } else {
                                $TBE_TEMPLATE->JScode.=$TBE_TEMPLATE->wrapScriptTags('
                                        if (parent.opener && parent.opener.busy)        {
                                                parent.opener.busy.loginRefreshed();
                                                parent.close();
                                        }
                                ');
                        }
                } elseif(!$BE_USER->user['uid'] && $this->commandLI) {
                        sleep(5);
                }
        }

        function makeInterfaceSelectorBox()     {
                global $TYPO3_CONF_VARS;

                        // Reset variables:
                $this->interfaceSelector = '';
                $this->interfaceSelector_hidden='';
                $this->interfaceSelector_jump = '';

                        // If interfaces are defined AND no input redirect URL in GET vars:
                if ($TYPO3_CONF_VARS['BE']['interfaces'] && ($this->commandLI || !$this->redirect_url)) {
                        $parts = t3lib_div::trimExplode(',',$TYPO3_CONF_VARS['BE']['interfaces']);
                        if (count($parts)>1)    {       // Only if more than one interface is defined will we show the selector:

                                        // Initialize:
                                $tempLabels=explode(',',$this->L_vars[5]);
                                $labels=array();
                                $labels['backend']=$tempLabels[0];
                                $labels['frontend']=$tempLabels[1];

                                $jumpScript=array();
                                $jumpScript['backend']='alt_main.php';
                                $jumpScript['frontend']='../';

                                        // Traverse the interface keys:
                                foreach($parts as $valueStr)    {
                                        $this->interfaceSelector.='
                                                        <option value="'.htmlspecialchars($valueStr).'"'.(t3lib_div::_GP('interface')==htmlspecialchars($valueStr) ? ' selected="selected"' : '').'>'.htmlspecialchars($labels[$valueStr]).'</option>';
                                        $this->interfaceSelector_jump.='
                                                        <option value="'.htmlspecialchars($jumpScript[$valueStr]).'">'.htmlspecialchars($labels[$valueStr]).'</option>';
                                }
                                $this->interfaceSelector='
                                                <select name="interface" class="c-interfaceselector">'.$this->interfaceSelector.'
                                                </select>';
                                $this->interfaceSelector_jump='
                                                <select name="interface" class="c-interfaceselector" onchange="window.location.href=this.options[this.selectedIndex].value;">'.$this->interfaceSelector_jump.'
                                                </select>';

                        } else {        // If there is only ONE interface value set:

                                $this->interfaceSelector_hidden='<input type="hidden" name="interface" value="'.trim($TYPO3_CONF_VARS['BE']['interfaces']).'" />';
                        }
                }
        }

        function makeCopyrightNotice()  {

                        // Get values from TYPO3_CONF_VARS:
                $loginCopyrightWarrantyProvider = strip_tags(trim($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightWarrantyProvider']));
                $loginCopyrightWarrantyURL = strip_tags(trim($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightWarrantyURL']));

                        // Make warranty note:
                if (strlen($loginCopyrightWarrantyProvider)>=2 && strlen($loginCopyrightWarrantyURL)>=10)       {
                        $warrantyNote='Warranty is supplied by '.htmlspecialchars($loginCopyrightWarrantyProvider).'; <a href="'.htmlspecialchars($loginCopyrightWarrantyURL).'" target="_blank">click for details.</a>';
                } else {
                        $warrantyNote='TYPO3 comes with ABSOLUTELY NO WARRANTY; <a href="http://typo3.com/1316.0.html" target="_blank">click for details.</a>';
                }

                        // Compile full copyright notice:
                $copyrightNotice = '<a href="http://typo3.com/" target="_blank">'.
                                        '<img src="gfx/loginlogo_transp.gif" width="75" height="19" alt="TYPO3 logo" align="left" />'.
                                        'TYPO3 CMS'.($GLOBALS['TYPO3_CONF_VARS']['SYS']['loginCopyrightShowVersion']?' ver. '.htmlspecialchars($GLOBALS['TYPO_VERSION']):'').
                                        '</a>. '.
                                        'Copyright &copy; 1998-2006 Kasper Sk&#229;rh&#248;j. Extensions are copyright of their respective owners. '.
                                        'Go to <a href="http://typo3.com/" target="_blank">http://typo3.com/</a> for details. '.
                                        $warrantyNote.' '.
                                        'This is free software, and you are welcome to redistribute it under certain conditions; <a href="http://typo3.com/1316.0.html" target="_blank">click for details</a>. '.
                                        'Obstructing the appearance of this notice is prohibited by law.';

                        // Return notice:
                return $copyrightNotice;
        }

        function makeLoginBoxImage()    {
                $loginboxImage = '';
                if ($GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder'])     {               // Look for rotation image folder:
                        $absPath = t3lib_div::resolveBackPath(PATH_typo3.$GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder']);

                                // Get rotation folder:
                        $dir = t3lib_div::getFileAbsFileName($absPath);
                        if ($dir && @is_dir($dir))      {

                                        // Get files for rotation into array:
                                $files = t3lib_div::getFilesInDir($dir,'png,jpg,gif');

                                        // Pick random file:
                                srand((float) microtime() * 10000000);
                                $randImg = array_rand($files, 1);

                                        // Get size of random file:
                                $imgSize = @getimagesize($dir.$files[$randImg]);

                                        // Create image tag:
                                if (is_array($imgSize)) {
                                        $loginboxImage = '<img src="'.htmlspecialchars($GLOBALS['TBE_STYLES']['loginBoxImage_rotationFolder'].$files[$randImg]).'" '.$imgSize[3].' id="loginbox-image" alt="" />';
                                }
                        }
                } else {        // If no rotation folder configured, print default image:
                        $loginImage = 'loginbox_image_400.png';
                        $imagecopy = $loginImage=='loginbox_image_dev.png' ? 'You are running the CVS version of TYPO3 '.$GLOBALS['TYPO_VERSION'] : 'Photo: &copy; 2006 Kasper Sk&#229;rh&#248;j';      // Directly outputted in image attributes...
                        $loginboxImage = '<img'.t3lib_iconWorks::skinImg($GLOBALS['BACK_PATH'],'gfx/'.$loginImage,'width="200" height="133"').' id="loginbox-image" alt="'.$imagecopy.'" title="'.$imagecopy.'" />';
                }

                        // Return image tag:
                return $loginboxImage;
        }

        function makeLoginNews()        {

                        // Reset output variable:
                $newsContent= '';

                        // Traverse news array IF there are records in it:
                if (is_array($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNews']) && count($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNews']))  {
                        foreach($GLOBALS['TYPO3_CONF_VARS']['BE']['loginNews'] as $newsItem)    {
                                $newsContent.='
                                                <tr>
                                                        <td class="c-date">'.htmlspecialchars($newsItem['date']).'</td>
                                                        <td class="c-header">'.htmlspecialchars($newsItem['header']).'</td>
                                                </tr>
                                                <tr>
                                                        <td></td>
                                                        <td class="c-content">'.trim($newsItem['content']).'</td>
                                                </tr>
                                                <tr class="c-spacer">
                                                        <td colspan="2"></td>
                                                </tr>
                                ';
                        }

                                // Wrap in a table:
                        $newsContent= '

                                        <!--
                                                Login screen news:
                                        -->
                                        <div id="loginNews">
                                        <h2>'.htmlspecialchars($this->L_vars[8]).'</h2>
                                        <table border="0" cellpadding="0" cellspacing="0">
                                                '.$newsContent.'
                                        </table>
                                        </div>
                        ';
                }

                        // Return content:
                return $newsContent;
        }
}

// Include extension?
if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['typo3/index.php']) {
        include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['typo3/index.php']);
}










// Make instance:
$SOBE = t3lib_div::makeInstance('SC_index');
$SOBE->init();
$SOBE->main();
$SOBE->printContent();
?>

---