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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
*/
// Check to ensure this file is included in Joomla!
defined('_JEXEC') or die('Restricted access.');
define( '_COM_SEF_PRIORITY_CONTENT_ARTICLE_ITEMID', 15 );
define( '_COM_SEF_PRIORITY_CONTENT_ARTICLE', 20 );
define( '_COM_SEF_PRIORITY_CONTENT_CATEGORYLIST_ITEMID', 35 );
define( '_COM_SEF_PRIORITY_CONTENT_CATEGORYLIST', 40 );
define( '_COM_SEF_PRIORITY_CONTENT_CATEGORYBLOG_ITEMID', 55 );
define( '_COM_SEF_PRIORITY_CONTENT_CATEGORYBLOG', 60 );
// Backwards compatibility with Joomla <3.7
if (!version_compare(JVERSION, '3.7', 'ge')) {
require_once(JPATH_ROOT.'/components/com_content/helpers/route.php');
class SefExtContentRouteHelper extends ContentHelperRoute
{
public static function getItemid($id)
{
$needles = array('article' => array((int)$id));
$Itemid = self::_findItem($needles);
return $Itemid;
}
}
}
class SefExt_com_content extends SefExt
{
public function getNonSefVars(&$uri)
{
$this->_createNonSefVars($uri);
return array($this->nonSefVars, $this->ignoreVars);
}
protected function _createNonSefVars(&$uri)
{
if (!isset($this->nonSefVars) && !isset($this->ignoreVars)) {
$this->nonSefVars = array();
$this->ignoreVars = array();
}
$this->params =& SEFTools::GetExtParams('com_content');
$sefConfig = SEFConfig::getConfig();
if ($sefConfig->appendNonSef && ($this->params->get('pagination', '0') != '0')) {
if (!is_null($uri->getVar('limit'))) {
$this->nonSefVars['limit'] = $uri->getVar('limit');
}
if (!is_null($uri->getVar('limitstart'))) {
$this->nonSefVars['limitstart'] = $uri->getVar('limitstart');
}
}
if (!is_null($uri->getVar('filter'))) {
$this->nonSefVars['filter'] = $uri->getVar('filter');
}
if (!is_null($uri->getVar('return')))
$this->nonSefVars['return'] = $uri->getVar('return');
}
protected function _getArticle($id)
{
$sefConfig = SEFConfig::getConfig();
$title=array();
$field = 'title';
if (SEFTools::UseAlias($this->params, 'title_alias')) {
$field = 'alias';
}
$id = intval($id);
$query = "SELECT `id`, `title`, `alias`, `introtext`, `fulltext`, `language`, `metakey`, `metadesc`, `metadata`, `catid` FROM `#__content` WHERE `id` = '{$id}'";
$this->_db->setQuery($query);
$row = $this->_db->loadObject('stdClass', $this->config->translateItems);
// Article dont exists
if (!is_object($row)) {
JoomSefLogger::Log("Article with ID {$id} could not be found.", $this, 'com_content');
return array();
}
$catInfo = $this->getCategory($row->catid, true);
if ($catInfo === false) {
return array();
}
if($this->params->get('show_category', '2') != 0) {
if (is_array($catInfo->path) && (count($catInfo->path) > 0)) {
$title = array_merge($title, $catInfo->path);
}
}
//$this->item_desc = $row->introtext;
if ($this->params->get('googlenewsnum', 0) == 0) {
$title[] = (($this->params->get('articleid', '0') == 1) ? $id.'-' : '').$row->$field;
} else {
$title = array_merge($title, $this->GoogleNews($row->$field, $id));
}
$this->getMetaData($row);
if ($this->params->get('meta_titlecat',0) == 1) {
$this->pageTitle = $row->title;
$metatitle = array_merge(array($row->title), $catInfo->titles);
$this->metatags["metatitle"] = implode(" - ", $metatitle);
}
$this->metadesc = $row->introtext;
$this->origmetadesc = $row->metadesc;
$this->metakeySource = $row->fulltext;
$this->origmetakey = $row->metakey;
$this->articleText = $row->introtext . chr(13) . chr(13) . $row->fulltext;
return $title;
}
/**
* Returns cached instance of content router menu rules, used to search correct Itemid
*
* @return JComponentRouterRulesMenu
*/
private function getContentMenuRules()
{
static $rules = null;
if (!$rules) {
$app = JFactory::getApplication();
$router = new ContentRouter($app, $app->getMenu());
$rules = new JComponentRouterRulesMenu($router);
}
return $rules;
}
/**
* Called before the non-SEF URL is searched in the database
*
* @param JUri $uri
*/
public function beforeCreate(&$uri)
{
// remove the limitstart and limit variables if they point to the first page
if (!is_null($uri->getVar('limitstart')) && ($uri->getVar('limitstart') == '0')) {
$uri->delVar('limitstart');
$uri->delVar('limit');
}
// Remove empty variables
if ($uri->getVar('limitstart') == '') {
$uri->delVar('limitstart');
}
if ($uri->getVar('showall') == '') {
$uri->delVar('showall');
}
// Try to guess the correct Itemid if set to
if ($this->params->get('guessId', '0') != '0') {
if (version_compare(JVERSION, '3.7', 'ge')) {
// Use new objects
if (!is_null($uri->getVar('id'))) {
$query = $uri->getQuery(true);
// Convert lang code to tag if set, so the menu rules can find menu items for correct language
if (!empty($query['lang'])) {
$query['lang'] = JoomSEF::getLangCode($query['lang']);
}
$this->getContentMenuRules()->preprocess($query);
if (!empty($query['Itemid'])) {
$uri->setVar('Itemid', $query['Itemid']);
}
}
}
else {
// Backwards compatibility for Joomla <3.7
if (!is_null($uri->getVar('Itemid')) && !is_null($uri->getVar('id'))) {
$itemid = SefExtContentRouteHelper::getItemid($uri->getVar('id'));
if (!is_null($itemid)) {
$uri->setVar('Itemid', $itemid);
}
}
}
}
// Remove the part after ':' from variables
if (!is_null($uri->getVar('id'))) SEFTools::fixVariable($uri, 'id');
if (!is_null($uri->getVar('catid'))) SEFTools::fixVariable($uri, 'catid');
// TODO: We should remove this, as it generates 1 unnecessary SQL query for each article link,
// instead the catid should just be always removed from article URL (but when updating JoomSEF,
// we'll need to update URLs already in database to reflect such change = remove catid from them!)
// If catid not given, try to find it
$catid = $uri->getVar('catid');
if (!is_null($uri->getVar('view')) && ($uri->getVar('view') == 'article') && !is_null($uri->getVar('id')) && empty($catid)) {
$id = $uri->getVar('id');
$query = "SELECT `catid` FROM `#__content` WHERE `id` = ".(int)$id;
$this->_db->setQuery($query);
$catid = $this->_db->loadResult();
if (is_null($catid)) {
JoomSefLogger::Log("Article with ID {$id} could not be found.", $this, 'com_content');
}
if (!empty($catid)) {
$uri->setVar('catid', $catid);
}
}
// remove empty id in categories list
if ($uri->getVar('view') == 'categories' && ! (int) $uri->getVar('id'))
$uri->delVar('id');
return;
}
protected function GoogleNews($title, $id)
{
$db = JFactory::getDBO();
$num = '';
$add = $this->params->get('googlenewsnum', '0');
if ($add == '1' || $add == '3') {
// Article ID
$digits = trim($this->params->get('digits', '3'));
if (!is_numeric($digits)) {
$digits = '3';
}
$num1 = sprintf('%0'.$digits.'d', $id);
}
if ($add == '2' || $add == '3') {
// Publish date
$query = "SELECT `publish_up` FROM `#__content` WHERE `id` = ".(int)$id;
$db->setQuery($query);
$time = $db->loadResult();
$time = strtotime($time);
$date = $this->params->get('dateformat', 'ddmm');
$search = array('dd', 'd', 'mm', 'm', 'yyyy', 'yy');
$replace = array(date('d', $time),
date('j', $time),
date('m', $time),
date('n', $time),
date('Y', $time),
date('y', $time) );
$num2 = str_replace($search, $replace, $date);
}
if ($add == '1') {
$num = $num1;
}
else if ($add == '2') {
$num = $num2;
}
else if ($add == '3') {
$sep = $this->params->get('iddatesep', '');
if ($this->params->get('iddateorder', '0') == '0') {
$num = $num2.$sep.$num1;
}
else {
$num = $num1.$sep.$num2;
}
}
if (!empty($num)) {
$onlyNum = ($this->params->get('title_alias', 'global') == 'googlenews');
if ($onlyNum) {
$title = $num;
}
else {
$sep = $this->params->get('iddatesep', '');
if (empty($sep)) {
$sefConfig = SEFConfig::getConfig();
$sep = $sefConfig->replacement;
}
$where = $this->params->get('numberpos', '1');
if( $where == '1' ) {
$title = $title.$sep.$num;
} else {
$title = $num.$sep.$title;
}
}
}
// Support for slashes
$title = explode('/', $title);
return $title;
}
function _processPagination(&$uri) {
$title=array();
$sefConfig = SEFConfig::getConfig();
$handle=$this->params->get('pagination',0);
if($sefConfig->appendNonSef==true && $handle==1 ) {
$this->nonSefVars['limitstart'] = $uri->getVar('limitstart');
return array();
}
//$appParams=JFactory::getApplication('site')->getParams();
$appParams=JApplication::getInstance('site')->getParams('com_content');
$menu = JFactory::getApplication()->getMenu('site');
$Itemid = $uri->getVar('Itemid');
if (!$Itemid) {
// We need to find Itemid first
$active = $menu->getActive();
if (is_null($active)) {
$active = $menu->getDefault();
}
$Itemid = $active->id;
}
$menuParams = $menu->getParams($Itemid);
// Combine app and menu parameters
$params = clone $appParams;
$params->merge($menuParams);
// View: Article
if($uri->getVar("view")=="article") {
if(($limitstart=$uri->getVar('limitstart'))>0) {
$pagetext = null;
if ($this->params->get('multipagetitles', '1') == '1') {
$pagetext = $this->_getPageTitle($limitstart);
}
if (!is_null($pagetext)) {
$title[] = $pagetext;
}
else {
$pagetext = strval($limitstart+1);
if (($cnfPageText = $sefConfig->getPageText())) {
$this->pageNumberText = str_replace('%s', $limitstart+1, $cnfPageText);
$title[] = $this->pageNumberText;
}
}
}
if($uri->getVar('showall')==1) {
if ($this->params->get('always_en', '0') == '1') {
$title[] = 'All pages';
}
else {
$title[] = JText::_('COM_SEF_ALL_PAGES');
}
}
// Layouts: category default list; View: Archive
} else if($uri->getVar("layout")!="blog" && $uri->getVar("view")!="featured") {
// If pagination filter is disabled we can make sef URL's with pagination
if($params->get('show_pagination_limit',1)==0 || $uri->getVar("view")!="featured") {
$limit=$params->get('display_num');
$limitstart=$uri->getVar('limitstart');
if (intval($limit) == 0) {
$limit = 1;
}
@$page=intval($limitstart/$limit)+1;
if($page!=1) {
$pagetext = strval($page);
if (($cnfPageText = $sefConfig->getPageText())) {
$this->pageNumberText = str_replace('%s', $page, $cnfPageText);
$title[] = $this->pageNumberText;
}
}
} else {
if(!is_null($uri->getVar('limitstart'))) {
$this->nonSefVars['limitstart'] = $uri->getVar('limitstart');
}
}
// Layout: category blog; View: featured
} else {
$leading = $params->get('num_leading_articles', 1);
$intro = $params->get('num_intro_articles', 4);
$limit = $leading + $intro;
if (intval($limit) == 0) {
$limit = 1;
}
$limitstart=$uri->getVar('limitstart');
$page = intval($limitstart / $limit) + 1;
if($page!=1) {
$pagetext = strval($page);
if (($cnfPageText = $sefConfig->getPageText())) {
$this->pageNumberText = str_replace('%s', $page, $cnfPageText);
$title[] = $this->pageNumberText;
}
}
}
return $title;
}
private function _getPageTitle($page)
{
jimport('joomla.utilities.utility');
if (empty($this->articleText)) {
return null;
}
// simple performance check
if (JString::strpos($this->articleText, 'class="system-pagebreak') === false) {
return null;
}
// regex
$regex = '#<hr(.*)class="system-pagebreak"(.*)\/>#iU';
// Find all occurences
$matches = array();
preg_match_all($regex, $this->articleText, $matches, PREG_SET_ORDER);
if (!isset($matches[$page-1]) || !isset($matches[$page-1][2])) {
return null;
}
$attrs = JUtility::parseAttributes($matches[$page-1][0]);
if (isset($attrs['alt'])) {
return stripslashes($attrs['alt']);
}
else if (isset($attrs['title'])) {
return stripslashes($attrs['title']);
}
else {
return null;
}
}
/**
* Returns category with filtered path (excludes selected categories, always leaves the last one)
*
* @param int $catId
* @param bool $removeAll
* @return object|bool
*/
private function getCategory($catId, $removeAll = false)
{
$catInfo = $this->getCategoryInfo($catId);
if ($catInfo === false) {
JoomSefLogger::Log("Category with ID {$catId} could not be found.", $this, 'com_content');
return false;
}
$exclude = $this->params->get('exclude_catid', '');
if (is_array($exclude) && is_array($catInfo->path) && ($removeAll || (count($catInfo->path) > 1))) {
foreach ($catInfo->path_ids as $key => $id) {
if (in_array($id, $exclude)) {
// Exclude this category
unset($catInfo->path[$key]);
unset($catInfo->path_ids[$key]);
unset($catInfo->titles[$key]);
if (!$removeAll && count($catInfo->path) < 2)
break;
}
}
}
return $catInfo;
}
public function create(&$uri)
{
$this->metadesc = null;
$this->cat_desc = null;
$this->item_desc = null;
$sefConfig = SEFConfig::getConfig();
$title = array();
$vars = $uri->getQuery(true);
extract($vars);
$this->_createNonSefVars($uri);
// Set title.
$title[] = JoomSEF::_getMenuTitleLang(@$option, $this->lang, @$Itemid);
// #19413: Handle task first, it has higher priority than view
if (isset($task) && $task == 'article.add') {
if (isset($catid)) {
$catInfo = $this->getCategory($catid);
if ($catInfo === false) {
return $uri;
}
if (is_array($catInfo->path) && (count($catInfo->path) > 0)) {
$title = array_merge($title, $catInfo->path);
}
}
if ($this->params->get('always_en', '0') == '1') {
$title[] = 'New';
}
else {
$title[]=JText::_('COM_SEF_NEW');
}
}
else if (isset($task) && $task == 'article.edit') {
if(isset($a_id)) {
$title=array_merge($title,$this->_getArticle($a_id));
}
if ($this->params->get('always_en', '0') == '1') {
$title[] = 'Edit';
}
else {
$title[]=JText::_('COM_SEF_EDIT');
}
}
else {
switch (@$view) {
case 'form':
// 13.2.2012, dajo: Don't SEF
return $uri;
//$this->nonSefVars = array();
//$this->nonSefVars["return"]=@$return;
//if(isset($a_id)) {
// $title=array_merge($title,$this->_getArticle($a_id));
//}
//$title[] = JText::_('COM_SEF_FORM');
//break;
case 'featured':
if(isset($format) && $format=="feed") {
@$title[]=$type;
}
$title=array_merge($title,$this->_processPagination($uri));
break;
case 'categories':
break;
case 'category':
if (isset($id)) {
$catInfo = $this->getCategory($id);
if ($catInfo === false) {
return $uri;
}
if (is_array($catInfo->path) && (count($catInfo->path) > 0)) {
$title = array_merge($title, $catInfo->path);
}
}
if($this->params->get('add_layout', 0) == 2 || ($this->params->get('add_layout', 0) == 1 && $this->params->get('def_layout', 'default') != @$layout)) {
@$title[]=$layout;
}
if(isset($format) && $format=="feed") {
@$title[]=$type;
}
$title=array_merge($title,$this->_processPagination($uri));
break;
case 'article':
$articleInfo = $this->_getArticle($id);
if (!$articleInfo)
return $uri;
$title = array_merge($title, $articleInfo);
$title = array_merge($title, $this->_processPagination($uri));
break;
case 'archive':
if( !empty($year) ) {
$title[] = $year;
}
if( !empty($month) ) {
$title[] = $month;
}
$title=array_merge($title,$this->_processPagination($uri));
break;
default:
// Don't SEF
return $uri;
}
}
// #34487: Handle format=pdf
if (isset($format) && $format == 'pdf') {
$title[] = $format;
}
// Handle printing
if (isset($print) && (intval($print) == 1)) {
if ($this->params->get('always_en', '0') == '1') {
$title[] = 'Print';
}
else {
$title[] = JText::_('JGLOBAL_PRINT');
}
}
$newUri = $uri;
if (count($title) > 0) {
// Generate meta tags
$this->metatags=$this->getMetaTags();
if (($this->params->get('meta_titlepage', '0') == '1') && !empty($this->pageNumberText)) {
// Add page number to page title
if (!empty($this->metatags["metatitle"])) {
$this->metatags["metatitle"] .= ' - '.$this->pageNumberText;
}
else {
$this->metatags["metatitle"] = (!empty($this->pageTitle) ? $this->pageTitle.' - ' : '') . $this->pageNumberText;
}
}
$priority = $this->getPriority($uri);
$sitemap = $this->getSitemapParams($uri);
if(isset($this->lang)) {
$lang=$this->lang;
}
$newUri = JoomSEF::_sefGetLocation($uri, $title, null, null, null, @$lang, $this->nonSefVars, null, $this->metatags, $priority, true,null, $sitemap);
}
return $newUri;
}
function getSitemapParams(&$uri)
{
if ($uri->getVar('format', 'html') != 'html') {
// Handle only html links
return array();
}
$view = $uri->getVar('view');
$sm = array();
switch ($view)
{
case 'article':
case 'category':
$indexed = $this->params->get('sm_'.$view.'_indexed', '1');
$freq = $this->params->get('sm_'.$view.'_freq', '');
$priority = $this->params->get('sm_'.$view.'_priority', '');
if (!empty($indexed)) $sm['indexed'] = $indexed;
if (!empty($freq)) $sm['frequency'] = $freq;
if (!empty($priority)) $sm['priority'] = $priority;
break;
}
return $sm;
}
public function getPriority(&$uri)
{
$itemid = $uri->getVar('Itemid');
$view = $uri->getVar('view');
$layout = $uri->getVar('layout');
switch($view)
{
case 'article':
if( is_null($itemid) ) {
return _COM_SEF_PRIORITY_CONTENT_ARTICLE;
} else {
return _COM_SEF_PRIORITY_CONTENT_ARTICLE_ITEMID;
}
break;
case 'category':
if( $layout == 'blog' ) {
if( is_null($itemid) ) {
return _COM_SEF_PRIORITY_CONTENT_CATEGORYBLOG;
} else {
return _COM_SEF_PRIORITY_CONTENT_CATEGORYBLOG_ITEMID;
}
} else {
if( is_null($itemid) ) {
return _COM_SEF_PRIORITY_CONTENT_CATEGORYLIST;
} else {
return _COM_SEF_PRIORITY_CONTENT_CATEGORYLIST_ITEMID;
}
}
break;
default:
return null;
break;
}
}
function getURLPatterns($item) {
$urls=array();
if($item->getTableName()=='#__categories') {
// Category view
$urls[]='index\.php\?option=com_content(&format=feed)?&id='.$item->id.'&';
// Content View
$urls[]='index\.php\?option=com_content&catid='.$item->id.'&id=';
$tree=$item->getTree($item->id);
foreach($tree as $catitem) {
$urls[]='index\.php\?option=com_content(&format=feed)?&id='.$catitem->id.'&';
$urls[]='index\.php\?option=com_content&catid='.$catitem->id.'&id=';
}
} else {
$urls[]='index\.php\?option=com_content(&catid=([0-9])*)*&id='.$item->id.'(&lang=[a-z]+)?(&limitstart=[0-9]+)?(&type=(atom|rss))?&view=article';
}
return $urls;
}
}