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<?php
/**
* SEF component for Joomla!
*
* @package JoomSEF
* @version 4.7.8
* @author ARTIO s.r.o., http://www.artio.net
* @copyright Copyright (C) 2020 ARTIO s.r.o.
* @license GNU/GPLv3 http://www.artio.net/license/gnu-general-public-license
*/
// Security check to ensure this file is being included by a parent file.
defined('_JEXEC') or die('Restricted access');
jimport('joomla.language.helper');
JLoader::register('SEFConfig', JPATH_ADMINISTRATOR.'/components/com_sef/classes/config.php');
JLoader::register('SEFTools', JPATH_ADMINISTRATOR.'/components/com_sef/classes/seftools.php');
class plgSystemJoomsef extends JPlugin
{
var $linksDivs = array();
public function __construct(&$subject)
{
parent::__construct($subject);
// load plugin parameters
$this->_plugin = JPluginHelper::getPlugin('system', 'joomsef');
$this->_params = new JRegistry($this->_plugin->params);
if($this->_isEnabled()) {
require_once( JPATH_ROOT.'/components/com_sef/joomsef.php' );
JoomSEF::getLanguage(JFactory::getURI());
}
}
function onAfterInitialise()
{
$sefConfig = SEFConfig::getConfig();
$mainframe = JFactory::getApplication();
// Enable menu associations if set to
$joomlaVersion = new JVersion();
if ($joomlaVersion->isCompatible('3.2')) {
// 3.2
if ($sefConfig->langMenuAssociations) {
JLoader::register('JLanguageMultilang', JPATH_ROOT.'/administrator/components/com_sef/libs/cms/language/multilang.php');
JLoader::register('JLanguageAssociations', JPATH_ROOT.'/administrator/components/com_sef/libs/cms/language/associations.php');
}
}
else if ($joomlaVersion->isCompatible('3.0')) {
// 3.0
$mainframe->item_associations = $sefConfig->langMenuAssociations ? 1 : 0;
}
else {
// 2.5
$mainframe->set('menu_associations', $sefConfig->langMenuAssociations ? 1 : 0);
}
// Register installer and updater adapters in admin area
$this->registerAdapters();
// Check if JoomSEF should be run
if (!self::_isEnabled()) {
return true;
}
// Store the router for later use
$router = $mainframe->getRouter();
JoomSEF::set('sef.global.jrouter', $router);
// Load JoomSEF language file
$jLang = JFactory::getLanguage();
$jLang->load('com_sef', JPATH_ADMINISTRATOR);
require_once(JPATH_ROOT.'/components/com_sef/sef.router.php');
$jsRouter = new JRouterJoomsef();
$router->attachParseRule(array($jsRouter, 'parseSef'));
$router->attachBuildRule(array($jsRouter, 'buildSef'));
// Disable global "Add suffix to URLs" before parsing and store current config
$config = JFactory::getConfig();
$oldSuffix = $config->get('sef_suffix', 0);
$config->set('sef_suffix', 0);
JoomSEF::set('sef.global.orig_sef_suffix', $oldSuffix);
// Get all configured subdomains
$subdomains = SEFTools::getAllSubdomains();
// Redirect only when there's no POST variables
if (($sefConfig->wwwHandling != _COM_SEF_WWW_NONE) && empty($_POST)) {
// Handle www and non-www domain
$uri = JURI::getInstance();
$host = $uri->getHost();
$redirect = false;
// Check if host is only IP
$isIP = preg_match('/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\z/', $host);
if ($sefConfig->wwwHandling == _COM_SEF_WWW_USE_WWW && !$isIP && strpos($host, 'www.') !== 0) {
// Check if host starts with one of our subdomains
if (isset($subdomains['*']) && (count($subdomains['*']) > 0)) {
$parts = explode('.', $host);
$domain = $parts[0];
$found = false;
foreach ($subdomains['*'] as $sub) {
if ($domain == $sub->subdomain) {
$found = true;
break;
}
}
if (!$found) {
// Redirect to www form
$redirect = true;
$uri->setHost('www.'.$host);
}
}
else {
// Redirect to www form
$redirect = true;
$uri->setHost('www.'.$host);
}
}
else if ($sefConfig->wwwHandling == _COM_SEF_WWW_USE_NONWWW && strpos($host, 'www.') === 0) {
// host must not begin with www.
$redirect = true;
$uri->setHost(substr($host, 4));
}
// Redirect if needed
if ($redirect) {
$url = $uri->toString();
SEFTools::redirect($url, true);
jexit();
}
}
return true;
}
function registerAdapters()
{
$app = JFactory::getApplication();
// Register adapters only in admin area
if (!$app->isAdmin()) {
return;
}
// Include adapter files
require_once(JPATH_ADMINISTRATOR.'/components/com_sef/adapters/sef_ext.php');
require_once(JPATH_ADMINISTRATOR.'/components/com_sef/adapters/sef_update.php');
// Set installer adapter
$installer = JInstaller::getInstance();
$adapterSefExt = new JInstallerAdapterSef_ext($installer);
$installer->setAdapter('sef_ext', $adapterSefExt);
// Set updater adapter
$updater = JUpdater::getInstance();
$db = $updater->getDBO();
$adapterSefUpdate = new JUpdaterSEF_Update($updater, $db);
$updater->setAdapter('sef_update', $adapterSefUpdate);
}
function onAfterDispatch()
{
$mainframe = JFactory::getApplication();
if ($mainframe->isAdmin()) {
// Add code to prevent separators in admin menu from
// creating new URLs and generating 404's
$doc = JFactory::getDocument();
if ($doc->getType() == 'html') {
$doc->addStyleDeclaration('.icon-16-separator { background: none !important; background-image: none !important; }');
}
}
// Check if JoomSEF should be run
if (!self::_isEnabled() || !class_exists('JoomSEF') || !JoomSEF::enabled($this)) {
return true;
}
// Check page base href value
$this->_checkBaseHref();
// Remove Joomla generated canonical links if set to
$sefConfig = SEFConfig::getConfig();
if ($sefConfig->canonicalsRemove) {
$this->_removeCanonicals();
}
// Do not run plugin if metadata generation is disabled
if ($sefConfig->enable_metadata > 0) {
// generate page title
$this->_checkSEFTitle();
// generate page metadata
$this->_generateMeta();
}
// Fix canonical links if set to
if ($sefConfig->canonicalsFix) {
$this->_fixCanonicals();
}
return true;
}
function onAfterRender()
{
// Check if JoomSEF should be run
if (!self::_isEnabled() || !class_exists('JoomSEF') || !JoomSEF::enabled($this)) {
return;
}
// Change the index.php links to /
$sefConfig = SEFConfig::getConfig();
if ($sefConfig->fixIndexPhp) {
$this->_fixIndexLinks();
}
//$this->_fixSubDomains();
}
function _isEnabled()
{
// Do not run plugin in administration area
$mainframe = JFactory::getApplication();
if ($mainframe->isAdmin()) {
return false;
}
// Do not run plugin if SEF is disabled
$config = JFactory::getConfig();
if (!$config->get('sef')) {
return false;
}
// Check if JoomSEF is enabled
$sefConfig = SEFConfig::getConfig();
if (!$sefConfig->enabled) {
return false;
}
// Check if JoomSEF plugin is enabled
if (!JPluginHelper::isEnabled('system', 'joomsef')) {
return false;
}
// Check format
//
// 22.3.2012, dajo:
// Removed, JoomSEF should be run, but such URLs shouldn't be
// SEFed in the JoomSEF::build() function
/*
$format = JRequest::getVar('format');
$tmpl = JRequest::getVar('tmpl');
if ($format == 'raw' || $format == 'json' || $format == 'xml' || $tmpl == 'raw') {
return false;
}
*/
return true;
}
/**
* Generate metadata
*/
function _generateMeta()
{
$mainframe = JFactory::getApplication();
$document = JFactory::getDocument();
$sefConfig = SEFConfig::getConfig();
$rewriteKey = $sefConfig->rewrite_keywords;
$rewriteDesc = $sefConfig->rewrite_description;
$metadesc = str_replace('"', '"', JoomSEF::get('sef.meta.desc'));
$metakey = str_replace('"', '"', JoomSEF::get('sef.meta.key'));
$metalang = str_replace('"', '"', JoomSEF::get('sef.meta.lang'));
$metarobots = str_replace('"', '"', JoomSEF::get('sef.meta.robots'));
$metagoogle = str_replace('"', '"', JoomSEF::get('sef.meta.google'));
$canonicallink = str_replace('"', '"', JoomSEF::get('sef.link.canonical'));
$metacustom = JoomSEF::get('sef.meta.custom');
$generator = str_replace('"', '"', $sefConfig->tag_generator);
$googlekey = str_replace('"', '"', $sefConfig->tag_googlekey);
$livekey = str_replace('"', '"', $sefConfig->tag_livekey);
$yahookey = str_replace('"', '"', $sefConfig->tag_yahookey);
// Global custom meta tags
if (is_array($sefConfig->customMetaTags)) {
foreach($sefConfig->customMetaTags as $name => $content) {
$content = str_replace('"', '"', $content);
$document->setMetaData($name, $content);
}
}
// description metatag
if (!empty($metadesc)) {
// get original description
$oldDesc = $document->getDescription();
// override by JoomSEF desc
if ($rewriteDesc == _COM_SEF_META_PR_JOOMSEF || $oldDesc == '') {
$document->setDescription($metadesc);
// or join both
} elseif ($rewriteDesc == _COM_SEF_META_PR_JOIN && $oldDesc != '') {
$document->setDescription($metadesc . ', ' . $oldDesc);
}
// otherwise leave intact
}
// keywords metatag
if (!empty($metakey)) {
// get original keywords
$oldKey = $document->getMetaData('keywords');
// override by JoomSEF keys
if ($rewriteKey == _COM_SEF_META_PR_JOOMSEF || $oldKey == '') {
$document->setMetaData('keywords', $metakey);
// or join both
} elseif ($rewriteKey == _COM_SEF_META_PR_JOIN && $oldKey != '') {
$document->setMetaData('keywords', $metakey . ', ' . $oldKey);
}
// otherwise leave intact
}
if (!empty($metalang)) $document->setMetaData('lang', $metalang);
if (!empty($metarobots)) $document->setMetaData('robots', $metarobots);
if (!empty($metagoogle)) $document->setMetaData('google', $metagoogle);
if (!empty($generator)) $document->setGenerator($generator);
if (!empty($googlekey)) $document->setMetaData('google-site-verification', $googlekey);
if (!empty($livekey)) $document->setMetaData('msvalidate.01', $livekey);
if (!empty($yahookey)) $document->setMetaData('y_key', $yahookey);
// URL custom meta tags
if (is_array($metacustom)) {
foreach ($metacustom as $name => $content) {
$content = str_replace('"', '"', $content);
$document->setMetaData($name, $content);
}
}
if (method_exists($document, 'addHeadLink')) {
if (!empty($canonicallink)) {
// Always remove previous canonical links if adding our own
$this->_removeCanonicals();
// Add our own canonical link
$document->addHeadLink($canonicallink, 'canonical');
}
}
}
/**
* Removes all the canonical links currently set
*/
function _removeCanonicals()
{
// Handle canonicals only in HTML document
$doc = JFactory::getDocument();
if ($doc->getType() != 'html') {
return;
}
// Check if there are any links
if (!isset($doc->_links) || !is_array($doc->_links)) {
return;
}
// Remove canonical links
foreach ($doc->_links as $url => $link) {
if ($link['relation'] == 'canonical') {
unset($doc->_links[$url]);
}
}
}
/**
* Fixes duplicate domain in canonical links
*/
function _fixCanonicals()
{
// Handle canonicals only in HTML document
$doc = JFactory::getDocument();
if ($doc->getType() != 'html') {
return;
}
// Check if there are any links
if (!isset($doc->_links) || !is_array($doc->_links)) {
return;
}
// Fix canonical links
foreach ($doc->_links as $url => $link) {
if ($link['relation'] != 'canonical')
continue;
// Fix canonical link
$fixed = preg_replace('|^https?://.*(https?://)|i', '$1', $url);
// Always unset and set the link again, otherwise we'd change the ordering
unset($doc->_links[$url]);
$doc->_links[$fixed] = $link;
}
}
/**
* Check page title.
*/
function _checkSEFTitle()
{
$mainframe = JFactory::getApplication();
$document = JFactory::getDocument();
$config = JFactory::getConfig();
$sefConfig = SEFConfig::getConfig();
$sitename = $config->get('sitename');
$preferTitle = $sefConfig->prefer_joomsef_title;
$sitenameSep = ' '.trim($sefConfig->sitename_sep).' ';
$preventDupl = $sefConfig->prevent_dupl;
$useSitename = JoomSEF::get('sef.meta.showsitename', _COM_SEF_SITENAME_GLOBAL);
if ($useSitename == _COM_SEF_SITENAME_GLOBAL) {
$useSitename = $sefConfig->use_sitename;
}
if ($sitenameSep == ' ') $sitenameSep = ' ';
// Page title
$pageTitle = JoomSEF::get('sef.meta.title');
if (empty($pageTitle)) {
$pageTitle = $document->getTitle();
// Dave: replaced regular expression as it was causing problems
// with site names like [ index-i.cz ] with str_replace
// Dave: 3.2.9 fix - added check for !empty($sitename) - was causing
// problems with empty site names
/*$pageSep = '( - |'.$sitenameSep.')';
if (preg_match('/('.$GLOBALS['mosConfig_sitename'].$pageSep.')?(.*)?/', $pageTitle, $matches) > 0) {
$pageTitle = strtr($pageTitle, array($matches[1] => ''));
}*/
if (!empty($sitename)) {
$pageTitle = str_replace(array($sitename.' - ', ' - '.$sitename, $sitename.$sitenameSep, $sitenameSep.$sitename), '', $pageTitle);
}
}
if ($preferTitle) {
$pageTitle = trim($pageTitle);
// Prevent name duplicity if set to
if ($preventDupl && strcmp($pageTitle, trim($sitename)) == 0) {
$pageTitle = '';
}
if (empty($pageTitle)) $sitenameSep = '';
if ($useSitename == _COM_SEF_SITENAME_BEFORE && $sitename) {
$pageTitle = $sitename . $sitenameSep . $pageTitle;
}
elseif ($useSitename == _COM_SEF_SITENAME_AFTER && $sitename) {
$pageTitle .= $sitenameSep . $sitename;
}
// set page title and (optionally) meta title tag
if ($pageTitle) {
// Joomla escapes the title automatically
$document->setTitle($pageTitle);
}
}
}
function _checkBaseHref()
{
$sefConfig = SEFConfig::getConfig();
$checkBaseHref = $sefConfig->check_base_href;
// now we can set base href
$document = JFactory::getDocument();
if ($checkBaseHref == _COM_SEF_BASE_HOMEPAGE) {
$uri = JURI::getInstance();
$curUri = clone($uri);
$domain = JoomSEF::get('real_domain');
if ($domain) {
$curUri->setHost($domain);
}
// dajo 10.9.2012: Make sure base ends with a slash
$base = $curUri->toString(array('scheme', 'host', 'port')).JURI::base(true);
$base = rtrim($base, '/').'/';
$document->setBase($base);
}
elseif ($checkBaseHref == _COM_SEF_BASE_CURRENT) {
$uri = JURI::getInstance();
$curUri = clone($uri);
$domain = JoomSEF::get('real_domain');
if ($domain) {
$curUri->setHost($domain);
}
$document->setBase(htmlspecialchars($curUri->toString(array('scheme', 'host', 'port', 'path'))));
}
elseif ($checkBaseHref == _COM_SEF_BASE_NONE) {
$document->setBase('');
}
else return;
}
function _fixIndexLinks()
{
// Check the document type
$document = JFactory::getDocument();
if ($document->getType() != 'html') {
return;
}
// Get the response body
$body = JResponse::getBody();
// Get the root URL
$url = JURI::root();
if (substr($url, -1) != '/') {
$url .= '/';
}
// Replace the index.php links in "<a href" and "<form action"
$body = preg_replace('|<a(\\s[^>]*)href="/?index\\.php"|', '<a$1href="'.$url.'"', $body);
$body = preg_replace('|<a(\\s[^>]*)href="'.$url.'index\\.php"|', '<a$1href="'.$url.'"', $body);
$body = preg_replace('|<form(\\s[^>]*)action="/?index\\.php"|', '<form$1action="'.$url.'"', $body);
$body = preg_replace('|<form(\\s[^>]*)action="'.$url.'index\\.php"|', '<form$1action="'.$url.'"', $body);
// Set new response body
JResponse::setBody($body);
}
private function _fixSubDomains() {
$document = JFactory::getDocument();
if ($document->getType() != 'html') {
return;
}
// Get the response body
$body = JResponse::getBody();
$url = JURI::root();
if (substr($url, -1) != '/') {
$url .= '/';
}
//echo JFactory::getUri()->getHost();
$body = preg_replace_callback('|<(a)(\\s*[^>]*)href="([/\-\.a-z0-9]*)"(\\s*[^>]*)>|', array($this,"_replaceLink"), $body);
$body = preg_replace_callback('|<(form)(\\s*[^>]*)action="([/\-\.a-z0-9]*)"(\\s*[^>]*)>|', array($this,"_replaceLink"), $body);
JResponse::setBody($body);
}
private function _replaceLink($matches) {
$host=JFactory::getUri()->getHost();
$db=JFactory::getDBO();
$query=$db->getQuery(true);
$query->select('Itemid')->from('#__sefurls')->where('sefurl='.$db->quote(ltrim(str_replace(JFactory::getUri()->base(true),"",$matches[3]),"/")));
$db->setQuery($query);
$Itemid=$db->loadResult();
//echo $matches[3]."\t".$Itemid."<br>";
if(strlen($Itemid)) {
$query=$db->getQuery(true);
$query->select('subdomain')->from('#__sef_subdomains')->where('Itemid='.$Itemid);
$db->setQuery($query);
$subdomain=$db->loadResult();
if(strlen($subdomain)) {
$host=$subdomain.".".$host;
}
}
switch($matches[1]) {
case 'a':
return '<a'.$matches[2].'href="http://'.$host.$matches[3].'"'.$matches[4].'>';
break;
case 'form':
return '<form'.$matches[2].'action="http://'.$host.$matches[3].'"'.$matches[4].'>';
break;
}
}
}