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<?php
/**
* @version 2.11 (rolling release)
* @package K2
* @author JoomlaWorks https://www.joomlaworks.net
* @copyright Copyright (c) 2009 - 2024 JoomlaWorks Ltd. All rights reserved.
* @license GNU/GPL: https://gnu.org/licenses/gpl.html
*/
// no direct access
defined('_JEXEC') or die;
jimport('joomla.application.component.view');
class K2ViewItem extends K2View
{
public function display($tpl = null)
{
$app = JFactory::getApplication();
$user = JFactory::getUser();
$document = JFactory::getDocument();
$params = K2HelperUtilities::getParams('com_k2');
$limitstart = JRequest::getInt('limitstart', 0);
$view = JRequest::getWord('view');
$task = JRequest::getWord('task');
$config = JFactory::getConfig();
$db = JFactory::getDbo();
$jnow = JFactory::getDate();
$now = K2_JVERSION == '15' ? $jnow->toMySQL() : $jnow->toSql();
$nullDate = $db->getNullDate();
$this->setLayout('item');
// Add link
if (K2HelperPermissions::canAddItem()) {
$addLink = JRoute::_('index.php?option=com_k2&view=item&task=add&tmpl=component&template=system');
}
$this->assignRef('addLink', $addLink);
// Get item model
$model = $this->getModel();
$item = $model->getData();
// Menu
$menu = $app->getMenu();
$menuDefault = $menu->getDefault();
$menuActive = $menu->getActive();
// Important URLs
$currentAbsoluteUrl = JUri::getInstance()->toString();
$currentRelativeUrl = JUri::root(true).str_replace(substr(JUri::root(), 0, -1), '', $currentAbsoluteUrl);
// Check if item exists
if (!is_object($item) || !$item->id) {
JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
}
// --- JSON Output [start] ---
// Set the document type in Joomla 1.5
if (K2_JVERSION == '15' && JRequest::getCmd('format') == 'json') {
$document->setMimeEncoding('application/json');
$document->setType('json');
}
if ($document->getType() == 'json') {
// Override some display parameters to show a minimum of content elements
$itemParams = class_exists('JParameter') ? new JParameter($item->params) : new JRegistry($item->params);
$itemParams->set('itemIntroText', true);
$itemParams->set('itemFullText', true);
$itemParams->set('itemTags', true);
$itemParams->set('itemExtraFields', true);
$itemParams->set('itemAttachments', true);
$itemParams->set('itemRating', true);
$itemParams->set('itemAuthor', true);
$itemParams->set('itemImageGallery', true);
$itemParams->set('itemVideo', true);
$item->params = $itemParams->toString();
}
// --- JSON Output [finish] ---
// Prepare item
$item = $model->prepareItem($item, $view, $task);
$itemTextBeforePlugins = $item->introtext.' '.$item->fulltext;
// Plugins
$item = $model->execPlugins($item, $view, $task);
// User K2 plugins
$item->event->K2UserDisplay = '';
if (isset($item->author) && is_object($item->author->profile) && isset($item->author->profile->id)) {
JPluginHelper::importPlugin('k2');
$dispatcher = JDispatcher::getInstance();
$results = $dispatcher->trigger('onK2UserDisplay', array(
&$item->author->profile,
&$params,
$limitstart
));
$item->event->K2UserDisplay = trim(implode("\n", $results));
$item->author->profile->url = htmlspecialchars($item->author->profile->url, ENT_QUOTES, 'UTF-8');
}
// Access check
if ($this->getLayout() == 'form') {
JError::raiseError(403, JText::_('K2_ALERTNOTAUTH'));
}
if (K2_JVERSION != '15') {
if (!in_array($item->access, $user->getAuthorisedViewLevels()) || !in_array($item->category->access, $user->getAuthorisedViewLevels())) {
if ($user->guest) {
$uri = JFactory::getURI();
$url = 'index.php?option=com_users&view=login&return='.base64_encode($uri->toString());
$app->enqueueMessage(JText::_('K2_YOU_NEED_TO_LOGIN_FIRST'), 'notice');
$app->redirect(JRoute::_($url, false));
} else {
JError::raiseError(403, JText::_('K2_ALERTNOTAUTH'));
return;
}
}
} else {
if ($item->access > $user->get('aid', 0) || $item->category->access > $user->get('aid', 0)) {
if ($user->guest) {
$uri = JFactory::getURI();
$url = 'index.php?option=com_user&view=login&return='.base64_encode($uri->toString());
$app->enqueueMessage(JText::_('K2_YOU_NEED_TO_LOGIN_FIRST'), 'notice');
$app->redirect(JRoute::_($url, false));
} else {
JError::raiseError(403, JText::_('K2_ALERTNOTAUTH'));
return;
}
}
}
// Published check
if (
!$item->published ||
$item->trash ||
($item->publish_up != $nullDate && $item->publish_up > $now) ||
($item->publish_down != $nullDate && $item->publish_down < $now) ||
(!$item->category->published || $item->category->trash)
) {
JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
}
// Increase item hits counter
if ($params->get('siteItemHits', 1)) {
$model->hit($item->id);
}
// Set default image
K2HelperUtilities::setDefaultImage($item, $view);
// B/C code for reCaptcha
if ($params->get('antispam') == 'recaptcha' || $params->get('antispam') == 'both') {
$params->set('recaptcha', true);
$item->params->set('recaptcha', true);
} else {
$params->set('recaptcha', false);
$item->params->set('recaptcha', false);
}
$params->set('recaptchaV2', true);
$item->params->set('recaptchaV2', true);
// Comments
if ($document->getType() != 'json') {
$item->event->K2CommentsCounter = '';
$item->event->K2CommentsBlock = '';
if ($item->params->get('itemComments')) {
// Trigger comments events
JPluginHelper::importPlugin('k2');
$dispatcher = JDispatcher::getInstance();
$results = $dispatcher->trigger('onK2CommentsCounter', array(
&$item,
&$params,
$limitstart
));
$item->event->K2CommentsCounter = trim(implode("\n", $results));
$results = $dispatcher->trigger('onK2CommentsBlock', array(
&$item,
&$params,
$limitstart
));
$item->event->K2CommentsBlock = trim(implode("\n", $results));
// Load K2 native comments system only if there are no plugins overriding it
if (empty($item->event->K2CommentsCounter) && empty($item->event->K2CommentsBlock)) {
// Load reCaptcha
if (!JRequest::getInt('print') && ($item->params->get('comments') == '1' || ($item->params->get('comments') == '2' && K2HelperPermissions::canAddComment($item->catid)))) {
if ($params->get('recaptcha') && ($user->guest || $params->get('recaptchaForRegistered', 1))) {
$document->addScript('https://www.google.com/recaptcha/api.js?onload=onK2RecaptchaLoaded&render=explicit');
$document->addScriptDeclaration('
function onK2RecaptchaLoaded() {
grecaptcha.render("recaptcha", {
"sitekey": "'.$item->params->get('recaptcha_public_key').'",
"theme": "'.$item->params->get('recaptcha_theme', 'light').'"
});
}
');
$this->recaptchaClass = 'k2-recaptcha-v2';
}
}
// Check for inline comment moderation
if (!$user->guest && $user->id == $item->created_by && $params->get('inlineCommentsModeration')) {
$inlineCommentsModeration = true;
$commentsPublished = false;
} else {
$inlineCommentsModeration = false;
$commentsPublished = true;
}
$this->assignRef('inlineCommentsModeration', $inlineCommentsModeration);
// Flag spammer link
$reportSpammerFlag = false;
if (K2_JVERSION != '15') {
if ($user->authorise('core.admin', 'com_k2')) {
$reportSpammerFlag = true;
$document->addScriptDeclaration('var K2Language = ["'.JText::_('K2_REPORT_USER_WARNING', true).'"];');
}
} else {
if ($user->gid > 24) {
$reportSpammerFlag = true;
}
}
$limit = $params->get('commentsLimit');
$comments = $model->getItemComments($item->id, $limitstart, $limit, $commentsPublished);
for ($i = 0; $i < count($comments); $i++) {
$comments[$i]->commentText = nl2br($comments[$i]->commentText);
// Convert URLs to links properly
$comments[$i]->commentText = preg_replace("/([^\w\/])(www\.[a-z0-9\-]+\.[a-z0-9\-]+)/i", "$1http://$2", $comments[$i]->commentText);
$comments[$i]->commentText = preg_replace("/([\w]+:\/\/[\w\-?&;#~=\.\/\@]+[\w\/])/i", "<a target=\"_blank\" rel=\"nofollow\" href=\"$1\">$1</A>", $comments[$i]->commentText);
$comments[$i]->commentText = preg_replace("/([\w\-?&;#~=\.\/]+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?))/i", "<a href=\"mailto:$1\">$1</A>", $comments[$i]->commentText);
$comments[$i]->userImage = K2HelperUtilities::getAvatar($comments[$i]->userID, $comments[$i]->commentEmail, $params->get('commenterImgWidth'));
if ($comments[$i]->userID > 0) {
$comments[$i]->userLink = K2HelperRoute::getUserRoute($comments[$i]->userID);
} else {
$comments[$i]->userLink = $comments[$i]->commentURL;
}
if ($reportSpammerFlag && $comments[$i]->userID > 0) {
$comments[$i]->reportUserLink = JRoute::_('index.php?option=com_k2&view=comments&task=reportSpammer&id='.$comments[$i]->userID.'&format=raw');
} else {
$comments[$i]->reportUserLink = false;
}
}
$item->comments = $comments;
if (!isset($item->numOfComments)) {
$item->numOfComments = 0;
}
jimport('joomla.html.pagination');
$total = $item->numOfComments;
$pagination = new JPagination($total, $limitstart, $limit);
}
}
}
// Author's latest items
if ($item->params->get('itemAuthorLatest') && $item->created_by_alias == '') {
$itemlistModel = $this->getModel('itemlist');
$authorLatestItems = $itemlistModel->getAuthorLatest($item->id, $item->params->get('itemAuthorLatestLimit'), $item->created_by);
if (count($authorLatestItems)) {
for ($i = 0; $i < count($authorLatestItems); $i++) {
$authorLatestItems[$i]->link = urldecode(JRoute::_(K2HelperRoute::getItemRoute($authorLatestItems[$i]->id.':'.urlencode($authorLatestItems[$i]->alias), $authorLatestItems[$i]->catid.':'.urlencode($authorLatestItems[$i]->categoryalias))));
}
$this->assignRef('authorLatestItems', $authorLatestItems);
}
}
// Related items
if ($item->params->get('itemRelated') && isset($item->tags) && count($item->tags)) {
$itemlistModel = $this->getModel('itemlist');
$relatedItems = $itemlistModel->getRelatedItems($item->id, $item->tags, $item->params);
if (count($relatedItems)) {
for ($i = 0; $i < count($relatedItems); $i++) {
$relatedItems[$i]->link = urldecode(JRoute::_(K2HelperRoute::getItemRoute($relatedItems[$i]->id.':'.urlencode($relatedItems[$i]->alias), $relatedItems[$i]->catid.':'.urlencode($relatedItems[$i]->categoryalias))));
}
$this->assignRef('relatedItems', $relatedItems);
}
}
// Navigation (previous and next item)
if ($item->params->get('itemNavigation')) {
// Previous Item
$previousItem = $model->getPreviousItem($item->id, $item->catid, $item->ordering, $item->params->get('catOrdering'));
if (!is_null($previousItem)) {
$item->previous = $model->prepareItem($previousItem, 'item', '');
$item->previous = $model->execPlugins($item->previous, 'item', '');
// B/C
$item->previousLink = $item->previous->link;
$item->previousTitle = $item->previous->title;
// Image
$item->previousImageXSmall = '';
$item->previousImageSmall = '';
$item->previousImageMedium = '';
$item->previousImageLarge = '';
$item->previousImageXLarge = '';
$imageTimestamp = '';
$dateModified = ((int) $previousItem->modified) ? $previousItem->modified : '';
if ($params->get('imageTimestamp', 1) && $dateModified) {
$imageTimestamp = '?t='.strftime("%Y%m%d_%H%M%S", strtotime($dateModified));
}
$imageFilenamePrefix = md5("Image".$previousItem->id);
$imagePathPrefix = JUri::base(true).'/media/k2/items/cache/'.$imageFilenamePrefix;
// Check if the "generic" variant exists
if (JFile::exists(JPATH_SITE.'/media/k2/items/cache/'.$imageFilenamePrefix.'_Generic.jpg')) {
$item->previousImageGeneric = $imagePathPrefix.'_Generic.jpg'.$imageTimestamp;
$item->previousImageXSmall = $imagePathPrefix.'_XS.jpg'.$imageTimestamp;
$item->previousImageSmall = $imagePathPrefix.'_S.jpg'.$imageTimestamp;
$item->previousImageMedium = $imagePathPrefix.'_M.jpg'.$imageTimestamp;
$item->previousImageLarge = $imagePathPrefix.'_L.jpg'.$imageTimestamp;
$item->previousImageXLarge = $imagePathPrefix.'_XL.jpg'.$imageTimestamp;
$item->previousImageProperties = new stdClass();
$item->previousImageProperties->filenamePrefix = $imageFilenamePrefix;
$item->previousImageProperties->pathPrefix = $imagePathPrefix;
}
}
// Next Item
$nextItem = $model->getNextItem($item->id, $item->catid, $item->ordering, $item->params->get('catOrdering'));
if (!is_null($nextItem)) {
$item->next = $model->prepareItem($nextItem, 'item', '');
$item->next = $model->execPlugins($item->next, 'item', '');
// B/C
$item->nextLink = $item->next->link;
$item->nextTitle = $item->next->title;
// Image
$item->nextImageXSmall = '';
$item->nextImageSmall = '';
$item->nextImageMedium = '';
$item->nextImageLarge = '';
$item->nextImageXLarge = '';
$imageTimestamp = '';
$dateModified = ((int) $nextItem->modified) ? $nextItem->modified : '';
if ($params->get('imageTimestamp', 1) && $dateModified) {
$imageTimestamp = '?t='.strftime("%Y%m%d_%H%M%S", strtotime($dateModified));
}
$imageFilenamePrefix = md5("Image".$nextItem->id);
$imagePathPrefix = JUri::base(true).'/media/k2/items/cache/'.$imageFilenamePrefix;
// Check if the "generic" variant exists
if (JFile::exists(JPATH_SITE.'/media/k2/items/cache/'.$imageFilenamePrefix.'_Generic.jpg')) {
$item->nextImageGeneric = $imagePathPrefix.'_Generic.jpg'.$imageTimestamp;
$item->nextImageXSmall = $imagePathPrefix.'_XS.jpg'.$imageTimestamp;
$item->nextImageSmall = $imagePathPrefix.'_S.jpg'.$imageTimestamp;
$item->nextImageMedium = $imagePathPrefix.'_M.jpg'.$imageTimestamp;
$item->nextImageLarge = $imagePathPrefix.'_L.jpg'.$imageTimestamp;
$item->nextImageXLarge = $imagePathPrefix.'_XL.jpg'.$imageTimestamp;
$item->nextImageProperties = new stdClass();
$item->nextImageProperties->filenamePrefix = $imageFilenamePrefix;
$item->nextImageProperties->pathPrefix = $imagePathPrefix;
}
}
}
// Absolute URL
$uri = JURI::getInstance();
$item->absoluteURL = $uri->toString();
// Get the frontend's language for use in social media buttons - use explicit variable references for future update flexibility
$getSiteLanguage = JFactory::getLanguage();
$languageTag = $getSiteLanguage->getTag();
$item->langTagForFB = str_replace('-', '_', $languageTag);
$item->langTagForTW = strtolower($languageTag);
$item->langTagForLI = str_replace('-', '_', $languageTag);
// Set the link for sharing
$item->sharinglink = $item->absoluteURL;
// --- B/C stuff [start] ---
// Social Share URL
$item->socialLink = urlencode($item->absoluteURL);
// Twitter link (legacy code)
if ($params->get('twitterUsername')) {
$item->twitterURL = 'https://twitter.com/intent/tweet?text='.urlencode($item->title).'&url='.urlencode($item->absoluteURL).'&via='.$params->get('twitterUsername');
} else {
$item->twitterURL = 'https://twitter.com/intent/tweet?text='.urlencode($item->title).'&url='.urlencode($item->absoluteURL);
}
// Deprecate Google+ sharing
$params->set('itemGooglePlusOneButton', 0);
$item->params->set('itemGooglePlusOneButton', 0);
$item->langTagForGP = '';
// --- B/C stuff [end] ---
// Email link
if (K2_JVERSION != '15') {
require_once(JPATH_SITE.'/components/com_mailto/helpers/mailto.php');
$template = $app->getTemplate();
$item->emailLink = JRoute::_('index.php?option=com_mailto&tmpl=component&template='.$template.'&link='.MailToHelper::addLink($item->absoluteURL));
} else {
require_once(JPATH_SITE.'/components/com_mailto/helpers/mailto.php');
$item->emailLink = JRoute::_('index.php?option=com_mailto&tmpl=component&link='.MailToHelper::addLink($item->absoluteURL));
}
// Set pathway
$pathway = $app->getPathWay();
if ($menuActive) {
if (isset($menuActive->query['view']) && ($menuActive->query['view'] != 'item' || $menuActive->query['id'] != $item->id)) {
if (!isset($menuActive->query['task']) || $menuActive->query['task'] != 'category' || $menuActive->query['id'] != $item->catid) {
$pathway->addItem($item->category->name, $item->category->link);
}
$pathway->addItem($item->rawTitle, '');
}
}
// --- JSON Output [start] ---
if ($document->getType() == 'json') {
$uri = JURI::getInstance();
// Build the output object
$row = $model->prepareJSONItem($item);
// Output
$response = new stdClass();
// Site
$response->site = new stdClass();
$response->site->url = $uri->toString(array('scheme', 'host', 'port'));
$response->site->name = (K2_JVERSION == '30') ? $config->get('sitename') : $config->getValue('config.sitename');
$response->item = $row;
$json = json_encode($response);
$callback = JRequest::getCmd('callback');
if ($callback) {
$document->setMimeEncoding('application/javascript');
echo $callback.'('.$json.')';
} else {
echo $json;
}
}
// --- JSON Output [finish] ---
// --- Insert additional HTTP headers [start] ---
JResponse::allowCache(true);
$itemCreatedOrModifiedDate = ((int) $item->modified) ? $item->modified : $item->created;
$itemCreatedOrModifiedDate = strftime("%a, %d %b %Y %H:%M:%S GMT", strtotime($itemCreatedOrModifiedDate));
// Last-Modified HTTP header
JResponse::setHeader('Last-Modified', $itemCreatedOrModifiedDate);
// Etag HTTP header
JResponse::setHeader('ETag', md5($item->id.'_'.$itemCreatedOrModifiedDate));
// Append as custom script tag to bypass Joomla cache shortcomings
if (K2_JVERSION == '15') {
$caching = $config->getValue('config.caching');
} else {
$caching = $config->get('caching');
}
if ($caching) {
$document->addScriptDeclaration('{"Last-Modified": "'.$itemCreatedOrModifiedDate.'", "ETag": "'.md5($item->id.'_'.$itemCreatedOrModifiedDate).'"}', 'application/x-k2-headers');
}
// --- Insert additional HTTP headers [finish] ---
// Head Stuff
if (!in_array($document->getType(), ['json', 'raw'])) {
$menuItemMatch = $this->menuItemMatchesK2Entity('item', null, $item->id);
// Set canonical link
$this->setCanonicalUrl($item->link);
// Set <title>
if ($menuItemMatch) {
$page_title = $params->get('page_title');
if (empty($page_title)) {
$params->set('page_title', $item->rawTitle);
}
} else {
$params->set('page_title', $item->rawTitle);
}
if (K2_JVERSION != '15') {
// Prepend/append site name
if ($app->getCfg('sitename_pagetitles', 0) == 1) {
$params->set('page_title', JText::sprintf('JPAGETITLE', $app->getCfg('sitename'), $params->get('page_title')));
} elseif ($app->getCfg('sitename_pagetitles', 0) == 2) {
$params->set('page_title', JText::sprintf('JPAGETITLE', $params->get('page_title'), $app->getCfg('sitename')));
}
// Override item title with page heading (if set)
if ($menuItemMatch) {
if ($params->get('page_heading')) {
$item->title = $params->get('page_heading');
}
// B/C assignment so Joomla 2.5+ uses the 'show_page_title' parameter as Joomla 1.5 does
$params->set('show_page_title', $params->get('show_page_heading'));
}
}
$metaTitle = trim($params->get('page_title'));
$document->setTitle($metaTitle);
// Set meta description
$metaDesc = $document->getMetadata('description');
if ($item->metadesc) {
$metaDesc = filter_var($item->metadesc, FILTER_SANITIZE_STRING);
} else {
$metaDesc = preg_replace("#{(.*?)}(.*?){/(.*?)}#s", '', $itemTextBeforePlugins);
$metaDesc = filter_var($metaDesc, FILTER_SANITIZE_STRING);
}
if ($menuItemMatch && K2_JVERSION != '15') {
if ($params->get('menu-meta_description')) {
$metaDesc = $params->get('menu-meta_description');
}
}
$metaDesc = trim($metaDesc);
$document->setDescription(K2HelperUtilities::characterLimit($metaDesc, $params->get('metaDescLimit', 150)));
// Set meta keywords
$metaKeywords = trim($document->getMetadata('keywords'));
if ($item->metakey) {
$metaKeywords = $item->metakey;
} else {
if (isset($item->tags) && count($item->tags)) {
$tmp = array();
foreach ($item->tags as $tag) {
$tmp[] = $tag->name;
}
$metaKeywords = implode(',', $tmp);
}
}
if ($menuItemMatch && K2_JVERSION != '15') {
if ($params->get('menu-meta_keywords')) {
$metaKeywords = $params->get('menu-meta_keywords');
}
}
$metaKeywords = trim($metaKeywords);
$document->setMetadata('keywords', $metaKeywords);
// Set meta robots & author
$metaRobots = (K2_JVERSION != '15') ? $document->getMetadata('robots') : '';
$metaAuthor = '';
if (!empty($item->author->name)) {
$metaAuthor = $item->author->name;
}
$itemMetaData = (class_exists('JParameter')) ? new JParameter($item->metadata) : new JRegistry($item->metadata);
$itemMetaData = $itemMetaData->toArray();
if (!empty($itemMetaData['robots'])) {
$metaRobots = $itemMetaData['robots'];
}
if (!empty($itemMetaData['author'])) {
$metaAuthor = $itemMetaData['author'];
}
if ($menuItemMatch && K2_JVERSION != '15') {
if ($params->get('robots')) {
$metaRobots = $params->get('robots');
}
}
// Use a large image preview for Google Discover
if ($metaRobots == '') {
$metaRobots = 'max-image-preview:large';
} else {
$metaRobots .= ', max-image-preview:large';
}
$document->setMetadata('robots', $metaRobots);
$metaAuthor = trim($metaAuthor);
if ($app->getCfg('MetaAuthor') == '1' && $metaAuthor) {
$document->setMetadata('author', $metaAuthor);
}
// Set Facebook meta tags
if ($params->get('facebookMetatags', 1)) {
$document->setMetaData('og:url', $item->absoluteURL);
$document->setMetaData('og:type', 'article');
$document->setMetaData('og:title', filter_var($metaTitle, FILTER_SANITIZE_STRING));
$document->setMetaData('og:description', K2HelperUtilities::characterLimit($metaDesc, 300)); // 300 chars limit for Facebook post sharing
$facebookImage = 'image'.$params->get('facebookImage', 'Medium');
if ($item->$facebookImage) {
$basename = basename($item->$facebookImage);
if (strpos($basename, '?t=')!==false) {
$tmpBasename = explode('?t=', $basename);
$basenameWithNoTimestamp = $tmpBasename[0];
} else {
$basenameWithNoTimestamp = $basename;
}
if (JFile::exists(JPATH_SITE.'/media/k2/items/cache/'.$basenameWithNoTimestamp)) {
$image = JURI::root().'media/k2/items/cache/'.$basename;
$document->setMetaData('og:image', $image);
$document->setMetaData('image', $image); // Generic meta
}
}
}
// Set Twitter meta tags
if ($params->get('twitterMetatags', 1)) {
$document->setMetaData('twitter:card', $params->get('twitterCardType', 'summary'));
if ($params->get('twitterUsername')) {
$document->setMetaData('twitter:site', '@'.$params->get('twitterUsername'));
}
$document->setMetaData('twitter:title', filter_var($metaTitle, FILTER_SANITIZE_STRING));
$document->setMetaData('twitter:description', K2HelperUtilities::characterLimit($metaDesc, 200)); // 200 chars limit for Twitter post sharing
$twitterImage = 'image'.$params->get('twitterImage', 'Medium');
if ($item->$twitterImage) {
$basename = basename($item->$twitterImage);
if (strpos($basename, '?t=')!==false) {
$tmpBasename = explode('?t=', $basename);
$basenameWithNoTimestamp = $tmpBasename[0];
} else {
$basenameWithNoTimestamp = $basename;
}
if (JFile::exists(JPATH_SITE.'/media/k2/items/cache/'.$basenameWithNoTimestamp)) {
$image = JURI::root().'media/k2/items/cache/'.$basename;
$document->setMetaData('twitter:image', $image);
$document->setMetaData('twitter:image:alt', (!empty($item->image_caption)) ? filter_var($item->image_caption, FILTER_SANITIZE_STRING) : filter_var($item->title, FILTER_SANITIZE_STRING));
if (!$params->get('facebookMetatags')) {
$document->setMetaData('image', $image); // Generic meta (if not already set in Facebook meta tags)
}
}
}
}
// --- Google Structured Data ---
if ($item->params->get('k2SeoGsdState', 1)) {
$itemSD_Type = $item->params->get('k2SeoGsdType', 'Article');
// Cleanups
$sdStrSearch = ['&', ' ', '"', ''', ''', '<', '>', '{K2Splitter}', '\\'];
$sdStrReplace = ['&', ' ', '"', '\'', '\'', '<', '>', ' ', ''];
$sdPregSearch = ["#<script(.*?)</script>#is", "/\r|\n|\t/", "/\s\s+/"];
$sdPregReplace = [' ', ' ', ' '];
$allowedTags = '<script>';
// Prepare content snippets
$itemSD_SiteName = (version_compare(JVERSION, '2.5', 'ge')) ? $config->get('sitename') : $config->getValue('config.sitename');
$itemSD_SiteName = ($params->get('k2SeoGsdOrgName')) ? $params->get('k2SeoGsdOrgName') : $itemSD_SiteName;
$itemSD_SiteLogo = JURI::root().trim($params->get('k2SeoGsdOrgLogo'));
$itemSD_Description = str_replace($sdStrSearch, $sdStrReplace, strip_tags($item->introtext, $allowedTags));
$itemSD_ArticleBody = str_replace($sdStrSearch, $sdStrReplace, strip_tags($item->text, $allowedTags));
$itemSD_Description = preg_replace($sdPregSearch, $sdPregReplace, $itemSD_Description);
$itemSD_ArticleBody = preg_replace($sdPregSearch, $sdPregReplace, $itemSD_ArticleBody);
$itemSD_AuthorName = (!empty($item->created_by_alias)) ? $item->created_by_alias : $item->author->name;
$itemSD_AuthorURL = (!empty($item->created_by_alias)) ? JURI::root() : $this->absUrl($item->author->link);
$itemSD_Modified = ((int) $item->modified) ? $item->modified : $item->created;
$itemSD_Images = '';
if (!empty($item->image)) {
$itemSD_Images = '
"image": [
"'.$this->absUrl($item->imageXLarge).'",
"'.$this->absUrl($item->imageLarge).'",
"'.$this->absUrl($item->imageMedium).'",
"'.$this->absUrl($item->imageSmall).'",
"'.$this->absUrl($item->imageXSmall).'",
"'.$this->absUrl($item->imageGeneric).'"
],';
}
// Output
$itemSD_LDJSON = '
{
"@context": "https://schema.org",
"@type": "'.$itemSD_Type.'",
"mainEntityOfPage": {
"@type": "WebPage",
"@id": "'.$this->absUrl($item->link).'"
},
"url": "'.$this->absUrl($item->link).'",
"headline": "'.$this->filterHTML($metaTitle).'",'.$itemSD_Images.'
"datePublished": "'.$this->dateToIso8601($item->created).'",
"dateModified": "'.$this->dateToIso8601($itemSD_Modified).'",
"author": {
"@type": "Person",
"name": "'.$itemSD_AuthorName.'",
"url": "'.$itemSD_AuthorURL.'"
},
"publisher": {
"@type": "Organization",
"name": "'.$itemSD_SiteName.'",
"url": "'.JURI::root().'",
"logo": {
"@type": "ImageObject",
"name": "'.$itemSD_SiteName.'",
"width": "'.$params->get('k2SeoGsdOrgLogoWidth').'",
"height": "'.$params->get('k2SeoGsdOrgLogoHeight').'",
"url": "'.$itemSD_SiteLogo.'"
}
},
"articleSection": "'.$this->absUrl($item->category->link).'",
"keywords": "'.$this->filterHTML($metaKeywords).'",
"description": "'.$this->filterHTML($itemSD_Description).'",
"articleBody": "'.$this->filterHTML($itemSD_ArticleBody).'"
}
';
// Assign
$item->params->set('itemGoogleStructuredData', $itemSD_LDJSON);
$document->addScriptDeclaration($itemSD_LDJSON, 'application/ld+json');
} else {
$item->params->set('itemGoogleStructuredData', null);
}
}
if ($document->getType() != 'json') {
// Lookup template folders
$this->_addPath('template', JPATH_COMPONENT.'/templates');
$this->_addPath('template', JPATH_COMPONENT.'/templates/default');
$this->_addPath('template', JPATH_SITE.'/templates/'.$app->getTemplate().'/html/com_k2/templates');
$this->_addPath('template', JPATH_SITE.'/templates/'.$app->getTemplate().'/html/com_k2/templates/default');
$this->_addPath('template', JPATH_SITE.'/templates/'.$app->getTemplate().'/html/com_k2');
$this->_addPath('template', JPATH_SITE.'/templates/'.$app->getTemplate().'/html/com_k2/default');
if ($item->params->get('theme')) {
$this->_addPath('template', JPATH_COMPONENT.'/templates/'.$item->params->get('theme'));
$this->_addPath('template', JPATH_SITE.'/templates/'.$app->getTemplate().'/html/com_k2/templates/'.$item->params->get('theme'));
$this->_addPath('template', JPATH_SITE.'/templates/'.$app->getTemplate().'/html/com_k2/'.$item->params->get('theme'));
}
// Allow temporary template loading with ?template=
$template = JRequest::getCmd('template');
if (isset($template)) {
// Look for overrides in template folder (new K2 template structure)
$this->_addPath('template', JPATH_SITE.'/templates/'.$template.'/html/com_k2');
$this->_addPath('template', JPATH_SITE.'/templates/'.$template.'/html/com_k2/default');
if ($item->params->get('theme')) {
$this->_addPath('template', JPATH_SITE.'/templates/'.$template.'/html/com_k2/'.$item->params->get('theme'));
}
}
// Assign data
$this->assignRef('item', $item);
$this->assignRef('user', $user);
$this->assignRef('params', $item->params);
$this->assignRef('pagination', $pagination);
// Display
parent::display($tpl);
}
}
private function absUrl($relUrl)
{
if (substr($relUrl, 0, 4) != 'http') {
return substr(JURI::root(), 0, -1).str_replace(JURI::root(true), '', $relUrl);
} else {
return $relUrl;
}
}
private function filterHTML($str)
{
return htmlspecialchars(trim($str), ENT_QUOTES, 'utf-8');
}
private function setCanonicalUrl($url)
{
$document = JFactory::getDocument();
$params = K2HelperUtilities::getParams('com_k2');
$canonicalURL = $params->get('canonicalURL', 'relative');
if ($canonicalURL) {
if ($canonicalURL == 'absolute') {
$url = substr(str_replace(JUri::root(true), '', JUri::root(false)), 0, -1).$url;
}
$document->addHeadLink($url, 'canonical', 'rel');
}
}
private function menuItemMatchesK2Entity($view, $task, $identifier)
{
$app = JFactory::getApplication();
// Menu
$menu = $app->getMenu();
$menuActive = $menu->getActive();
// Match
$matched = false;
if (isset($task)) {
if ($task == 'tag') {
if (is_object($menuActive) && isset($menuActive->query['view']) && $menuActive->query['view'] == $view && isset($menuActive->query['task']) && $menuActive->query['task'] == $task && isset($menuActive->query['tag']) && $menuActive->query['tag'] == $identifier) {
$matched = true;
}
} else {
if (is_object($menuActive) && isset($menuActive->query['view']) && $menuActive->query['view'] == $view && isset($menuActive->query['task']) && $menuActive->query['task'] == $task && isset($menuActive->query['id']) && $menuActive->query['id'] == $identifier) {
$matched = true;
}
}
} else {
if (is_object($menuActive) && isset($menuActive->query['view']) && $menuActive->query['view'] == $view && isset($menuActive->query['id']) && $menuActive->query['id'] == $identifier) {
$matched = true;
}
}
return $matched;
}
private function dateToIso8601($dateString)
{
if (K2_JVERSION != '15') {
return JHtml::_('date', $dateString, 'c');
} else {
$config = JFactory::getConfig();
$timezone = $config->getValue('config.offset');
$date = new JDate($dateString);
$date->setOffset($timezone);
return $date->toISO8601(true);
}
}
}