Code:
<?php
/**
* Contao Open Source CMS
* Copyright (C) 2005-2012 Leo Feyer
*
* Formerly known as TYPOlight Open Source CMS.
*
* This program is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, either
* version 3 of the License, or (at your option) any later version.
*
* This program 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program. If not, please visit the Free
* Software Foundation website at <http://www.gnu.org/licenses/>.
*
* PHP version 5
* @copyright Leo Feyer 2005-2012
* @author Leo Feyer <http://www.contao.org>
* @package Frontend
* @license LGPL
* @filesource
*/
/**
* Initialize the system
*/
define('TL_MODE', 'FE');
require('system/initialize.php');
/**
* Class Index
*
* Main front end controller.
* @copyright Leo Feyer 2005-2012
* @author Leo Feyer <http://www.contao.org>
* @package Controller
*/
class Index extends Frontend
{
/**
* Initialize the object
*/
public function __construct()
{
// Try to read from cache
$this->outputFromCache();
// Redirect to the install tool
if (!Config::getInstance()->isComplete())
{
$this->redirect('contao/install.php');
}
// Load the user object before calling the parent constructor
$this->import('FrontendUser', 'User');
parent::__construct();
// Check whether a user is logged in
define('BE_USER_LOGGED_IN', $this->getLoginStatus('BE_USER_AUTH'));
define('FE_USER_LOGGED_IN', $this->getLoginStatus('FE_USER_AUTH'));
}
/**
* Run the controller
*/
public function run()
{
global $objPage;
$pageId = $this->getPageIdFromUrl();
// Load a website root page object if there is no page ID
if ($pageId === null)
{
$objRootPage = $this->getRootPageFromUrl();
$objHandler = new $GLOBALS['TL_PTY']['root']();
$pageId = $objHandler->generate($objRootPage->id, true);
}
// Throw a 404 error if the request is not a Contao request (see #2864)
elseif ($pageId === false)
{
$this->User->authenticate();
$objHandler = new $GLOBALS['TL_PTY']['error_404']();
$objHandler->generate($pageId);
}
// Throw a 404 error if URL rewriting is active and the URL contains the index.php fragment
elseif ($GLOBALS['TL_CONFIG']['rewriteURL'] && strncmp($this->Environment->request, 'index.php/', 10) === 0)
{
$this->User->authenticate();
$objHandler = new $GLOBALS['TL_PTY']['error_404']();
$objHandler->generate($pageId);
}
$time = time();
// Get the current page object
$objPage = $this->Database->prepare("SELECT * FROM tl_page WHERE (id=? OR alias=?)" . (!BE_USER_LOGGED_IN ? " AND (start='' OR start<$time) AND (stop='' OR stop>$time) AND published=1" : ""))
->execute((is_numeric($pageId) ? $pageId : 0), $pageId);
// Check the URL and language of each page if there are multiple results
if ($objPage->numRows > 1)
{
$objNewPage = null;
$arrPages = array();
// Order by domain and language
while ($objPage->next())
{
$objCurrentPage = $this->getPageDetails($objPage->id);
$domain = ($objCurrentPage->domain != '') ? $objCurrentPage->domain : '*';
$arrPages[$domain][$objCurrentPage->rootLanguage] = $objCurrentPage;
// Also store the fallback language
if ($objCurrentPage->rootIsFallback)
{
$arrPages[$domain]['*'] = $objCurrentPage;
}
}
// Look for a root page whose domain name matches the host name
if (isset($arrPages[$this->Environment->host]))
{
$arrLangs = $arrPages[$this->Environment->host];
}
else
{
$arrLangs = $arrPages['*']; // Empty domain
}
// Try to find a page matching the language parameter
if (!$GLOBALS['TL_CONFIG']['addLanguageToUrl'])
{
$objNewPage = $arrLangs['*']; // Fallback language
}
elseif (($lang = $this->Input->get('language')) != '' && isset($arrLangs[$lang]))
{
$objNewPage = $arrLangs[$lang];
}
// Store the page object
if (is_object($objNewPage))
{
$objPage = $objNewPage;
}
}
// Throw a 404 error if the result is still ambiguous
if ($objPage->numRows != 1)
{
$this->User->authenticate();
$objHandler = new $GLOBALS['TL_PTY']['error_404']();
$objHandler->generate($pageId);
}
// Load a website root page object (will redirect to the first active regular page)
if ($objPage->type == 'root')
{
$objHandler = new $GLOBALS['TL_PTY']['root']();
$objHandler->generate($objPage->id);
}
// Inherit the settings from the parent pages if it has not been done yet
if (!is_bool($objPage->protected))
{
$objPage = $this->getPageDetails($objPage->id);
}
// Use the global date format if none is set
if ($objPage->dateFormat == '')
{
$objPage->dateFormat = $GLOBALS['TL_CONFIG']['dateFormat'];
}
if ($objPage->timeFormat == '')
{
$objPage->timeFormat = $GLOBALS['TL_CONFIG']['timeFormat'];
}
if ($objPage->datimFormat == '')
{
$objPage->datimFormat = $GLOBALS['TL_CONFIG']['datimFormat'];
}
// Set the admin e-mail address
if ($objPage->adminEmail != '')
{
list($GLOBALS['TL_ADMIN_NAME'], $GLOBALS['TL_ADMIN_EMAIL']) = $this->splitFriendlyName($objPage->adminEmail);
}
else
{
list($GLOBALS['TL_ADMIN_NAME'], $GLOBALS['TL_ADMIN_EMAIL']) = $this->splitFriendlyName($GLOBALS['TL_CONFIG']['adminEmail']);
}
// Exit if the root page has not been published (see #2425) and
// do not try to load the 404 page! It can cause an infinite loop.
if (!BE_USER_LOGGED_IN && !$objPage->rootIsPublic)
{
header('HTTP/1.1 404 Not Found');
die('Page not found');
}
// Check wether the language matches the root page language
if ($GLOBALS['TL_CONFIG']['addLanguageToUrl'] && $this->Input->get('language') != $objPage->rootLanguage)
{
$this->User->authenticate();
$objHandler = new $GLOBALS['TL_PTY']['error_404']();
$objHandler->generate($pageId);
}
// Check whether there are domain name restrictions
if ($objPage->domain != '')
{
// Load an error 404 page object
if ($objPage->domain != $this->Environment->host)
{
$this->User->authenticate();
$objHandler = new $GLOBALS['TL_PTY']['error_404']();
$objHandler->generate($objPage->id, $objPage->domain, $this->Environment->host);
}
}
// Authenticate the user
if (!$this->User->authenticate() && $objPage->protected && !BE_USER_LOGGED_IN)
{
$objHandler = new $GLOBALS['TL_PTY']['error_403']();
$objHandler->generate($pageId, $objRootPage);
}
// Check the user groups if the page is protected
if ($objPage->protected && !BE_USER_LOGGED_IN)
{
$arrGroups = $objPage->groups; // required for empty()
if (!is_array($arrGroups) || empty($arrGroups) || !count(array_intersect($arrGroups, $this->User->groups)))
{
$this->log('Page "' . $pageId . '" can only be accessed by groups "' . implode(', ', (array) $objPage->groups) . '" (current user groups: ' . implode(', ', $this->User->groups) . ')', 'Index run()', TL_ERROR);
$objHandler = new $GLOBALS['TL_PTY']['error_403']();
$objHandler->generate($pageId, $objRootPage);
}
}
// Load the page object depending on its type
$objHandler = new $GLOBALS['TL_PTY'][$objPage->type]();
switch ($objPage->type)
{
case 'root':
case 'error_404':
$objHandler->generate($pageId);
break;
case 'error_403':
$objHandler->generate($pageId, $objRootPage);
break;
default:
$objHandler->generate($objPage);
break;
}
}
/**
* Try to load the page from the cache
*/
protected function outputFromCache()
{
// Build the page if a user is logged in or there is POST data
if (!empty($_POST) || $_SESSION['TL_USER_LOGGED_IN'] || $_SESSION['DISABLE_CACHE'] || isset($_SESSION['LOGIN_ERROR']) || $GLOBALS['TL_CONFIG']['debugMode'])
{
return;
}
$this->import('Environment');
/**
* If the request string is empty, look for a cached page matching the
* primary browser language. This is a compromise between not caching
* empty requests at all and considering all browser languages, which
* is not possible for various reasons.
*/
if ($this->Environment->request == '' || $this->Environment->request == 'index.php')
{
// Return if the language is added to the URL and the empty domain will be redirected
if ($GLOBALS['TL_CONFIG']['addLanguageToUrl'] && !$GLOBALS['TL_CONFIG']['doNotRedirectEmpty'])
{
return;
}
$strCacheKey = $this->Environment->base .'empty.'. $this->Environment->httpAcceptLanguage[0];
}
else
{
$strCacheKey = $this->Environment->base . $this->Environment->request;
}
// HOOK: add custom logic
if (isset($GLOBALS['TL_HOOKS']['getCacheKey']) && is_array($GLOBALS['TL_HOOKS']['getCacheKey']))
{
foreach ($GLOBALS['TL_HOOKS']['getCacheKey'] as $callback)
{
$this->import($callback[0]);
$strCacheKey = $this->$callback[0]->$callback[1]($strCacheKey);
}
}
$strCacheFile = TL_ROOT . '/system/tmp/' . md5($strCacheKey) . '.html';
// Return if the file does not exist
if (!file_exists($strCacheFile))
{
return;
}
$expire = null;
$content = null;
// Include the file
ob_start();
require_once($strCacheFile);
// The file has expired
if ($expire < time())
{
ob_end_clean();
return;
}
// Read the buffer
$strBuffer = ob_get_contents();
ob_end_clean();
// Session required to determine the referer
$this->import('Session');
$session = $this->Session->getData();
// Set the new referer
if (!isset($_GET['pdf']) && !isset($_GET['file']) && !isset($_GET['id']) && $session['referer']['current'] != $this->Environment->requestUri)
{
$session['referer']['last'] = $session['referer']['current'];
$session['referer']['current'] = $this->Environment->requestUri;
}
// Store the session data
$this->Session->setData($session);
// Load the default language file (see #2644)
$this->import('Config');
$this->loadLanguageFile('default');
// Replace the insert tags and then re-replace the request_token
// tag in case a form element has been loaded via insert tag
$strBuffer = $this->replaceInsertTags($strBuffer);
$strBuffer = str_replace(array('{{request_token}}', '[{]', '[}]'), array(REQUEST_TOKEN, '{{', '}}'), $strBuffer);
// Content type
if (!$content)
{
$content = 'text/html';
}
header('Vary: User-Agent', false);
header('Content-Type: ' . $content . '; charset=' . $GLOBALS['TL_CONFIG']['characterSet']);
// Send the cache headers
if ($expire !== null && ($GLOBALS['TL_CONFIG']['cacheMode'] == 'both' || $GLOBALS['TL_CONFIG']['cacheMode'] == 'browser'))
{
header('Cache-Control: public, max-age=' . ($expire - time()));
header('Expires: ' . gmdate('D, d M Y H:i:s', $expire) . ' GMT');
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', time()) . ' GMT');
header('Pragma: public');
}
else
{
header('Cache-Control: no-cache');
header('Cache-Control: pre-check=0, post-check=0', false);
header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
header('Expires: Fri, 06 Jun 1975 15:10:00 GMT');
header('Pragma: no-cache');
}
echo $strBuffer;
exit;
}
}
/**
* Instantiate the controller
*/
$objIndex = new Index();
$objIndex->run();
?>
Ich danke Dir auf alle Fälle, dass Du dich meiner so schnell angenommen hast! Ich hab von php nicht so eine große Ahnung. Ich hab mir bisher alles selbst beigebracht.
(Gelöst): Startseite erzeugt 404-Fehler
Zitieren
Zitat von Limes
???
