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<?php
/**
* @package jDownloads
* @version 4.0
* @copyright (C) 2007 - 2022 - Arno Betz - www.jdownloads.com
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.txt
*
* jDownloads 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 General Public License for more details.
*/
namespace JDownloads\Component\JDownloads\Site\View\Download;
\defined('_JEXEC') or die;
use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Application\ApplicationHelper;
use Joomla\CMS\Event\AbstractEvent;
use Joomla\Event\Event;
use Joomla\Filesystem\Path;
use Joomla\CMS\Uri\Uri;
use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
use Joomla\CMS\MVC\View\GenericDataException;
use Joomla\CMS\Pagination\Pagination;
use Joomla\CMS\HTML\HTMLHelper;
use Joomla\CMS\Helper\TagsHelper;
use Joomla\Filesystem\File;
use Joomla\CMS\Layout\LayoutHelper;
use Joomla\CMS\Language\Associations;
use Joomla\CMS\Plugin\PluginHelper;
use Joomla\CMS\Router\Route;
use JLoader;
use JDownloads\Component\JDownloads\Site\Helper\JDHelper;
use JDownloads\Component\JDownloads\Site\Helper\CategoriesHelper;
use JDownloads\Component\JDownloads\Site\Helper\RouteHelper;
use JDownloads\Component\JDownloads\Site\Helper\AssociationHelper;
use JDownloads\Component\JDownloads\Administrator\Helper\JDownloadsAssociationsHelper;
/**
* HTML Downloads View class for the jDownloads component
*/
class HtmlView extends BaseHtmlView
{
protected $item;
protected $params;
protected $state;
protected $user;
protected $user_rules;
public function display($tpl = null)
{
// Initialise variables.
$app = Factory::getApplication();
$params = $app->getParams();
$user = Factory::getApplication()->getIdentity();
$userId = $user->get('id');
$document = Factory::getApplication()->getDocument();
// get jD User group settings and limitations
$this->user_rules = JDHelper::getUserRules();
// Get the needed layout data - type = 5 for a 'download details' layout
$this->layout = JDHelper::getLayout(5);
// Add JavaScript Frameworks
HTMLHelper::_('bootstrap.framework');
// Add jQuery Framework
HTMLHelper::_('jquery.framework');
// Load optional RTL Bootstrap CSS
if ($this->layout->uses_bootstrap){
HTMLHelper::_('bootstrap.loadCss', true, $this->document->direction);
}
// Load optional w3css framework
if ($this->layout->uses_w3css){
$w3_css_path = JPATH_ROOT.'/components/com_jdownloads/assets/css/w3.css';
if (File::exists($w3_css_path)){
$document->addStyleSheet( URI::base()."components/com_jdownloads/assets/css/w3.css", "text/css", null, array() );
}
}
$this->item = $this->get('Item');
$this->state = $this->get('State');
$this->user = $user;
// upload icon handling
$this->view_upload_button = false;
if ($this->user_rules->uploads_view_upload_icon){
// we must here check whether the user has the permissions to create new downloads
// this can be defined in the components permissions but also in any category
// but the upload icon is only viewed when in the user groups settings is also activated the: 'display add/upload icon' option
// 1. check the component permissions
if (!$user->authorise('core.create', 'com_jdownloads')){
// 2. not global permissions so we must check now every category (for a lot of categories can this be very slow)
$this->authorised_cats = JDHelper::getAuthorisedJDCategories('core.create', $user);
if (count($this->authorised_cats) > 0){
$this->view_upload_button = true;
}
} else {
$this->view_upload_button = true;
}
}
$this->ipad_user = false;
// check whether we have an ipad/iphone user for flowplayer aso...
if ((bool) strpos($_SERVER['HTTP_USER_AGENT'], 'iPad') || (bool) strpos($_SERVER['HTTP_USER_AGENT'], 'iPhone')){
$this->ipad_user = true;
}
// Check for errors.
if (count($errors = $this->get('Errors')))
{
throw new GenericDataException(implode("\n", $errors), 500);
}
// add all needed cripts and css files
$document->addScript(URI::base().'components/com_jdownloads/assets/js/jdownloads.js');
if ($params->get('view_ratings')){
$document->addScript(URI::base().'components/com_jdownloads/assets/rating/js/ajaxvote.js');
}
// loadscript for flowplayer
if ($params->get('flowplayer_use')){
$document->addScript(URI::base().'components/com_jdownloads/assets/flowplayer/flowplayer-3.2.12.min.js');
// load also the ipad plugin when required
if ($this->ipad_user){
$document->addScript(URI::base().'components/com_jdownloads/assets/flowplayer/flowplayer.ipad-3.2.12.min.js');
}
}
$document->addScriptDeclaration('var live_site = "'.URI::base().'";');
$document->addScriptDeclaration('function openWindow (url) {
fenster = window.open(url, "_blank", "width=550, height=480, STATUS=YES, DIRECTORIES=NO, MENUBAR=NO, SCROLLBARS=YES, RESIZABLE=NO");
fenster.focus();
}');
if ($params->get('use_lightbox_function')){
$document->addScript(URI::base().'components/com_jdownloads/assets/lightbox/src/js/lightbox.js');
$document->addStyleSheet( URI::base()."components/com_jdownloads/assets/lightbox/src/css/lightbox.css", 'text/css', null, array() );
}
$document->addStyleSheet( URI::base()."components/com_jdownloads/assets/css/jdownloads_buttons.css", "text/css", null, array() );
if ($params->get('load_frontend_css')){
$document->addStyleSheet( URI::base()."components/com_jdownloads/assets/css/jdownloads_fe.css", "text/css", null, array() );
$currentLanguage = Factory::getApplication()->getLanguage();
$isRTL = $currentLanguage->get('rtl');
if ($isRTL) {
$document->addStyleSheet( URI::base()."components/com_jdownloads/assets/css/jdownloads_fe_rtl.css", "text/css", null, array() );
}
} else {
if ($params->get('own_css_file')){
$own_css_path = JPATH_ROOT.'/components/com_jdownloads/assets/css/'.$params->get('own_css_file');
if (File::exists($own_css_path)){
$document->addStyleSheet( URI::base()."components/com_jdownloads/assets/css/".$params->get('own_css_file'), "text/css", null, array() );
}
}
}
if ($params->get('view_ratings')){
$document->addStyleSheet( URI::base()."components/com_jdownloads/assets/rating/css/ajaxvote.css", "text/css", null, array() );
}
$custom_css_path = JPATH_ROOT.'/components/com_jdownloads/assets/css/jdownloads_custom.css';
if (File::exists($custom_css_path)){
$document->addStyleSheet( URI::base()."components/com_jdownloads/assets/css/jdownloads_custom.css", 'text/css', null, array() );
}
$this->jd_image_path = JPATH_ROOT . '/images/jdownloads';
// Create a shortcut for $item.
$item = $this->item;
$item->tagLayout = new LayoutHelper('joomla.content.tags');
// Add router helpers.
$item->slug = $item->alias ? ($item->id.':'.$item->alias) : $item->id;
$item->catslug = $item->category_alias ? ($item->catid.':'.$item->category_alias) : $item->catid;
$item->parent_slug = $item->category_alias ? ($item->parent_id.':'.$item->parent_alias) : $item->parent_id;
// TODO: Change based on shownoauth
$item->readmore_link = Route::_(RouteHelper::getDownloadRoute($item->slug, $item->catslug));
// Merge download params. If this is single-download view, menu params override download params
// Otherwise, download params override menu item params
$this->params = $this->state->get('params');
$active = $app->getMenu()->getActive();
$temp = clone ($this->params);
// Check to see which parameters should take priority
if ($active) {
$currentLink = $active->link;
// If the current view is the active item and an download view for this download, then the menu item params take priority
if (strpos($currentLink, 'view=download') && (strpos($currentLink, '&id='.(string) $item->id))) {
// $item->params are the download params, $temp are the menu item params
// Merge so that the menu item params take priority
$item->params->merge($temp);
// Load layout from active query (in case it is an alternative menu item)
if (isset($active->query['layout'])) {
$this->setLayout($active->query['layout']);
}
}
else {
// Current view is not a single download, so the download params take priority here
// Merge the menu item params with the download params so that the download params take priority
$temp->merge($item->params);
$item->params = $temp;
}
}
else {
// Merge so that download params take priority
$temp->merge($item->params);
$item->params = $temp;
// Check for alternative layouts (since we are not in a single-download menu item)
// Single-download menu item layout takes priority over alt layout for an download
if ($menu_layout = $item->params->get('download_layout')) {
$this->setLayout($menu_layout);
}
}
$offset = $this->state->get('list.offset');
// Check the view access to the download (the model has already computed the values).
if ($item->params->get('access-view') != true && ($item->params->get('show_noauth') != true && $user->get('guest') ) ) {
$return = base64_encode((string) Uri::getInstance());
$login_url_with_return = Route::_('index.php?option=com_users&view=login&return=' . $return);
$app->enqueueMessage(Text::_('JERROR_ALERTNOAUTHOR'), 'notice');
$app->redirect($login_url_with_return, 403);
}
$item->tags = new TagsHelper;
$item->tags->getItemTags('com_jdownloads.download', $this->item->id);
if (Associations::isEnabled() && $item->params->get('show_associations')){
$item->associations = AssociationHelper::displayAssociations($item->id);
}
// Required for some content plugins which needed a field named text
if ($item->description_long != ''){
$item->text = $item->description_long;
$long_used = true;
} else {
$item->text = $item->description;
$long_used = false;
}
// Process the content plugins.
PluginHelper::importPlugin('content');
// This is the event to get the content plugins the possibility to modify the Download data. Also required to get Joomla Fields when used in jD.
if ($params->get('activate_general_plugin_support')) {
$app->triggerEvent('onContentPrepare', ['com_jdownloads.download', &$item, &$params, $offset]);
}
$item->event = new \stdClass();
$results = $app->triggerEvent('onContentAfterTitle', array('com_jdownloads.download', &$item, &$this->params, $offset));
$item->event->afterDisplayTitle = trim(implode("\n", $results));
$results = $app->triggerEvent('onContentBeforeDisplay', array('com_jdownloads.download', &$item, &$this->params, $offset));
$item->event->beforeDisplayContent = trim(implode("\n", $results));
$results = $app->triggerEvent('onContentAfterDisplay', array('com_jdownloads.download', &$item, &$this->params, $offset));
$item->event->afterDisplayContent = trim(implode("\n", $results));
// we use a little trick to get always the changes from content plugins
if ($long_used){
if ($item->text != $item->description_long){
$item->description_long = $item->text;
}
} else {
if ($item->text != $item->description){
$item->description = $item->text;
}
}
// Increment the views counter of the download
$model = $this->getModel();
$model->view();
//Escape strings for HTML output
$this->pageclass_sfx = htmlspecialchars($this->item->params->get('pageclass_sfx') ?? '');
$this->_prepareDocument();
parent::display($tpl);
}
/**
* Prepares the document
*/
protected function _prepareDocument()
{
$app = Factory::getApplication();
$params = $app->getParams();
$menus = $app->getMenu();
$pathway = $app->getPathway();
$title = null;
// Because the application sets a default page title,
// we need to get it from the menu item itself
$menu = $menus->getActive();
if ($menu)
{
$this->params->def('page_heading', $this->params->get('page_title', $menu->title));
}
else
{
$this->params->def('page_heading', Text::_('COM_JDOWNLOADS_DOWNLOADS'));
}
$title = $this->params->get('page_title', '');
if (isset($menu->query['catid'])){
$id = (int) @$menu->query['catid'];
} else {
$id = 0;
}
// if the menu item does not concern this download
if ($menu && ($menu->query['option'] != 'com_jdownloads' || $menu->query['view'] != 'download' || $id != $this->item->id))
{
// If this is not a single download menu item, set the page title to the download title
if ($this->item->title) {
$title = $this->item->title;
if ($this->item->release){
$title .= ' '.$this->item->release;
}
}
$path = array(array('title' => $this->item->title, 'link' => ''));
$category = CategoriesHelper::getInstance('Download')->get($this->item->catid);
while ($category && ($menu->query['option'] != 'com_jdownloads' || $menu->query['view'] == 'download' || $id != $category->id) && $category->id > 1)
{
$path[] = array('title' => $category->title, 'link' => RouteHelper::getCategoryRoute($category->id, true));
$category = $category->getParent();
}
$path = array_reverse($path);
foreach($path as $item)
{
if ($item['title'] !== 'ROOT'){
$pathway->addItem($item['title'], $item['link']);
}
}
}
// Check for empty title and add site name if param is set
if (empty($title)) {
$title = $app->getCfg('sitename');
}
elseif ($app->getCfg('sitename_pagetitles', 0) == 1) {
$title = Text::sprintf('JPAGETITLE', $app->getCfg('sitename'), $title);
}
elseif ($app->getCfg('sitename_pagetitles', 0) == 2) {
$title = Text::sprintf('JPAGETITLE', $title, $app->getCfg('sitename'));
}
if (empty($title)) {
$title = $this->item->title;
if ($this->item->release){
$title .= ' '.$this->item->release;
}
}
$this->document->setTitle($title);
if ($this->item->metadesc)
{
$this->document->setDescription($this->item->metadesc);
}
elseif (!$this->item->metadesc && $this->params->get('menu-meta_description'))
{
$this->document->setDescription($this->params->get('menu-meta_description'));
}
// use the Downloads description when the metadesc is still empty
if (empty($this->item->metadesc))
{
$metadescription = strip_tags($this->item->description);
if (strlen($metadescription) >= 150)
{
$metadescshort = substr($metadescription, 0, strpos($metadescription," ",150))." ...";
}
else
{
$metadescshort = $metadescription;
}
$this->document->setDescription($metadescshort);
}
if ($this->item->metakey)
{
$this->document->setMetadata('keywords', $this->item->metakey);
}
// use at first settings from download - alternate from jD configuration
if ($this->item->robots)
{
$this->document->setMetadata('robots', $this->item->robots);
} elseif ($params->get('robots')){
// use settings from jD-config
$this->document->setMetadata('robots', $params->get('robots'));
} else {
// is not defined in item or jd-config - so we use the global config setting
$this->document->setMetadata( 'robots' , $app->getCfg('robots' ));
}
}
}