public function createPageId($sefUrl, $nonSefUrl)
{
$shURL = '';
if (!$this->_mustCreatePageid($nonSefUrl)) {
return $shURL;
}
jimport('joomla.utilities.string');
$sefUrl = JString::ltrim($sefUrl, '/');
try {
if (!empty($sefUrl)) {
// check that we don't already have a shURL for the same SEF url, even if non-sef differ
$result = (int) Sh404sefHelperDb::count('#__redirection', '*', $this->_db->nameQuote('oldurl') . ' = ? and ' . $this->_db->nameQuote('newurl') . ' <> ?', array($sefUrl, ''));
if (!empty($result) && $result > 1) {
// we already have a SEF URL, so we must already have a shURL as well
return $shURL;
}
}
// check this nonsef url does not already have a shURL
$existingShurl = Sh404sefHelperDb::selectResult('#__sh404sef_pageids', 'pageid', array('newurl' => $nonSefUrl));
// there already is a shurl for the same non-sef
if (!empty($existingShurl)) {
return $existingShurl;
}
// if we don't already have a shURL, create the new one
$shURL = $this->_buildPageId();
if (!empty($shURL)) {
// insert in db
Sh404sefHelperDb::insert('#__sh404sef_pageids', array('newurl' => $nonSefUrl, 'pageid' => $shURL, 'type' => Sh404sefHelperGeneral::COM_SH404SEF_URLTYPE_PAGEID, 'hits' => 0));
}
} catch (Sh404sefExceptionDefault $e) {
_log('DB error creating pageId ' . $e->getMessage());
}
// don't need to add the pageid to cache, won't be needed when building up the page,
//only when decoding incoming url
return $shURL;
}
protected function _do404(&$uri)
{
if (self::$requestParsed) {
return array();
}
// get config objects
$pageInfo =& Sh404sefFactory::getPageInfo();
$sefConfig = Sh404sefFactory::getConfig();
// store the status
$pageInfo->httpStatus = 404;
// request path
$reqPath = $uri->getPath();
// optionnally log the 404 details
if ($sefConfig->shLog404Errors && !empty($reqPath)) {
try {
$record = Sh404sefHelperDb::selectObject('#__sh404sef_urls', '*', array('oldurl' => $reqPath));
if (!empty($record)) {
// we have, so update counter
Sh404sefHelperDb::queryQuote('update ?? set cpt=(cpt+1) where ?? = ?', array('#__sh404sef_urls', 'oldurl'), array($reqPath));
} else {
// record the 404
Sh404sefHelperDb::insert('#__sh404sef_urls', array('cpt' => 1, 'rank' => 0, 'oldurl' => $reqPath, 'newurl' => '', 'dateadd' => Sh404sefHelperDate::getUTCNow('Y-m-d')));
}
// add more details about 404 into security log file
if ($sefConfig->shSecEnableSecurity && $sefConfig->shSecLogAttacks) {
$sep = "\t";
$logData = date('Y-m-d') . $sep . date('H:i:s') . $sep . 'Page not found (404)' . $sep . $_SERVER['REMOTE_ADDR'] . $sep;
$logData .= getHostByAddr($_SERVER['REMOTE_ADDR']) . $sep;
$userAgent = empty($_SERVER['HTTP_USER_AGENT']) ? 'No user agent' : $_SERVER['HTTP_USER_AGENT'];
$logData .= $userAgent . $sep . $_SERVER['REQUEST_METHOD'] . $sep . $_SERVER['REQUEST_URI'];
$logData .= empty($_SERVER['HTTP_REFERER']) ? "\n" : $sep . $_SERVER['HTTP_REFERER'] . "\n";
shLogToSecFile($logData);
}
} catch (Sh404sefExceptionDefault $e) {
_log(__METHOD__ . '/' . __LINE__ . '/' . __CLASS__ . ': Database error: ' . $e->getMessage());
}
}
// display the error page
$vars['option'] = 'com_content';
$vars['view'] = 'article';
// use provided Itemid
if (empty($sefConfig->shPageNotFoundItemid)) {
$shHomePage = JFactory::getApplication()->getMenu()->getDefault();
$vars['Itemid'] = empty($shHomePage) ? null : $shHomePage->id;
} else {
$vars['Itemid'] = $sefConfig->shPageNotFoundItemid;
}
// user picked our default 404 error page, read its id from DB
if ($sefConfig->page404 == '0') {
try {
$requestedlanguageTag = JFactory::getLanguage()->getTag();
$languageTag = JRequest::getString(JUtility::getHash('language'), null, 'cookie');
if (!empty($languageTag)) {
$vars['lang'] = $languageTag;
}
$ids = Sh404sefHelperDb::queryQuoteOnly('select ?? from ?? where ?? = ? and ?? in ( ?, ?) order by ?? desc', array('id', '#__content', 'title', 'language', 'language'), array('__404__', $languageTag, '*'))->eLoadResultArray();
$id = empty($ids[0]) ? null : $ids[0];
} catch (Sh404sefExceptionDefault $e) {
_log(__METHOD__ . '/' . __LINE__ . '/' . __CLASS__ . ': Database error: ' . $e->getMessage());
}
if (empty($id)) {
JError::raiseError(404, JText::_('Component Not Found') . ' (' . $pageInfo->getDefaultLiveSite() . '/' . $uri->getPath() . ')');
}
} else {
$id = $sefConfig->page404;
}
$vars['id'] = $id;
$uri = new JURI($pageInfo->getDefaultLiveSite() . '/index.php?' . 'option=com_content&view=article&id=' . $id . (empty($vars['Itemid']) ? '' : '&Itemid=' . $vars['Itemid']) . (empty($vars['lang']) ? '' : '&lang=' . shGetIsoCodeFromName($vars['lang'])));
$tmpl = str_replace('.php', '', $sefConfig->error404SubTemplate);
if (!empty($tmpl)) {
$vars['tmpl'] = $tmpl;
}
// and prepare the item for display
$menus =& JFactory::getApplication()->getMenu();
$menuItem = $menus->getItem($vars['Itemid']);
if (!empty($menuItem)) {
$menus->setActive($vars['Itemid']);
} else {
$menuItem = $menus->getDefault();
}
if (!empty($menuItem->params)) {
$disableParams = array('show_title', 'show_category', 'show_author', 'show_create_date', 'show_modify_date', 'show_publish_date', 'show_vote', 'show_readmore', 'show_icons', 'show_hits', 'show_feed_link', 'show_page_heading');
foreach ($disableParams as $p) {
$menuItem->params->set($p, 0);
}
//set a custom page title
$menuItem->params->set('page_title', htmlspecialchars($uri->get('_uri')));
}
// set the menu query array, J! will use that for breadcrumb
$menuItem->query = $vars;
// throw 404 http return code, and prepare for page display
if (!headers_sent()) {
JResponse::setHeader('status', '404 NOT FOUND');
// custom error page, faster than loading Joomla 404 page. Not recommended though, why not show
// your site ?
if (is_readable(sh404SEF_FRONT_ABS_PATH . '404-Not-Found.tpl.html')) {
$errorPage = file_get_contents(sh404SEF_FRONT_ABS_PATH . '404-Not-Found.tpl.html');
if ($errorPage !== false) {
$errorPage = str_replace('%sh404SEF_404_URL%', ' (' . $pageInfo->getDefaultLiveSite() . '/' . $uri->getPath() . ')', $errorPage);
$errorPage = str_replace('%sh404SEF_404_SITE_URL%', $pageInfo->getDefaultLiveSite(), $errorPage);
$errorPage = str_replace('%sh404SEF_404_SITE_NAME%', JFactory::getApplication()->getCfg('sitename'), $errorPage);
echo $errorPage;
die;
}
}
} else {
_log('Headers already sent before getting control on 404 page - message displayed');
$shUri = new JUri();
$shOriginalUri = new JURI();
$url = shSefRelToAbs($pageInfo->getDefaultLiveSite() . "/index.php?" . $_SERVER['QUERY_STRING'], '', $shUri, $shOriginalUri);
JError::RaiseError(500, "<br />SH404SEF : headers were already sent when I got control!<br />This is not necessarily a sh404sef error. It may have been caused by any of your extensions or even Joomla itself. If there is no error message above this one, providing more details, then you may look inside the error log file of your web server for an indication of what may be breaking things up.<br />URL=" . $url . '<br />');
}
return $vars;
}