david
790d6f170a
git-svn-id: https://192.168.0.254/svn/Proyectos.MatritumCantat_Web/trunk@2 8e3496fd-7892-4c45-be36-0ff06e9dacc6
307 lines
8.7 KiB
PHP
307 lines
8.7 KiB
PHP
<?php
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/**
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* @version $Id: rss.php 10002 2008-02-08 10:56:57Z willebil $
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* @package Joomla
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* @subpackage Syndicate
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* @copyright Copyright (C) 2005 Open Source Matters. All rights reserved.
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* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL, see LICENSE.php
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* Joomla! is free software. This version may have been modified pursuant
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* to the GNU General Public License, and as distributed it includes or
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* is derivative of works licensed under the GNU General Public License or
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* other free or open source software licenses.
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* See COPYRIGHT.php for copyright notices and details.
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*/
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// no direct access
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defined( '_VALID_MOS' ) or die( 'Restricted access' );
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// load feed creator class
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require_once( $mosConfig_absolute_path .'/includes/feedcreator.class.php' );
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$info = null;
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$rss = null;
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switch ( $task ) {
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case 'live_bookmark':
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feedFrontpage( false );
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break;
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default:
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feedFrontpage( true );
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break;
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}
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/*
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* Creates feed from Content Iems associated to teh frontpage component
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*/
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function feedFrontpage( $showFeed ) {
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global $database, $mainframe;
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global $mosConfig_live_site, $mosConfig_cachepath;
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$nullDate = $database->getNullDate();
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// pull id of syndication component
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$query = "SELECT a.id"
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. "\n FROM #__components AS a"
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. "\n WHERE ( a.admin_menu_link = 'option=com_syndicate' OR a.admin_menu_link = 'option=com_syndicate&hidemainmenu=1' )"
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. "\n AND a.option = 'com_syndicate'"
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;
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$database->setQuery( $query );
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$id = $database->loadResult();
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// load syndication parameters
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$component = new mosComponent( $database );
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$component->load( (int)$id );
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$params = new mosParameters( $component->params );
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// test if security check is enbled
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$check = $params->def( 'check', 1 );
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if($check) {
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// test if rssfeed module is published
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// if not disable access
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$query = "SELECT m.id"
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. "\n FROM #__modules AS m"
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. "\n WHERE m.module = 'mod_rssfeed'"
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. "\n AND m.published = 1"
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;
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$database->setQuery( $query );
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$check = $database->loadResultArray();
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if(empty($check)) {
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mosNotAuth();
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return;
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}
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}
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$now = _CURRENT_SERVER_TIME;
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$iso = split( '=', _ISO );
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// parameter intilization
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$info[ 'date' ] = date( 'r' );
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$info[ 'year' ] = date( 'Y' );
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$info[ 'encoding' ] = $iso[1];
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$info[ 'link' ] = htmlspecialchars( $mosConfig_live_site );
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$info[ 'cache' ] = $params->def( 'cache', 1 );
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$info[ 'cache_time' ] = $params->def( 'cache_time', 3600 );
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$info[ 'count' ] = $params->def( 'count', 5 );
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$info[ 'orderby' ] = $params->def( 'orderby', '' );
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$info[ 'title' ] = $params->def( 'title', 'Joomla! powered Site' );
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$info[ 'description' ] = $params->def( 'description', 'Joomla! site syndication' );
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$info[ 'image_file' ] = $params->def( 'image_file', 'joomla_rss.png' );
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if ( $info[ 'image_file' ] == -1 ) {
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$info[ 'image' ] = NULL;
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} else{
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$info[ 'image' ] = $mosConfig_live_site .'/images/M_images/'. $info[ 'image_file' ];
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}
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$info[ 'image_alt' ] = $params->def( 'image_alt', 'Powered by Joomla!' );
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$info[ 'limit_text' ] = $params->def( 'limit_text', 0 );
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$info[ 'text_length' ] = $params->def( 'text_length', 20 );
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// get feed type from url
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$info[ 'feed' ] = strval( mosGetParam( $_GET, 'feed', 'RSS2.0' ) );
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// live bookmarks
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$info[ 'live_bookmark' ] = $params->def( 'live_bookmark', '' );
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$info[ 'bookmark_file' ] = $params->def( 'bookmark_file', '' );
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// set filename for live bookmarks feed
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if ( !$showFeed & $info[ 'live_bookmark' ] ) {
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if ( $info[ 'bookmark_file' ] ) {
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// custom bookmark filename
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$filename = $info[ 'bookmark_file' ];
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} else {
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// standard bookmark filename
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$filename = $info[ 'live_bookmark' ];
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}
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} else {
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// set filename for rss feeds
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$info[ 'file' ] = strtolower( str_replace( '.', '', $info[ 'feed' ] ) );
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// security check to limit arbitrary file creation.
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// and to allow disabling/enabling of selected feed types
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switch ( $info[ 'file' ] ) {
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case 'rss091':
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if ( !$params->get( 'rss091', 1 ) ) {
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echo _NOT_AUTH;
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return;
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}
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break;
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case 'rss10':
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if ( !$params->get( 'rss10', 1 ) ) {
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echo _NOT_AUTH;
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return;
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}
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break;
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case 'rss20':
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if ( !$params->get( 'rss20', 1 ) ) {
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echo _NOT_AUTH;
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return;
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}
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break;
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case 'atom03':
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if ( !$params->get( 'atom03', 1 ) ) {
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echo _NOT_AUTH;
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return;
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}
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break;
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case 'opml':
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if ( !$params->get( 'opml', 1 ) ) {
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echo _NOT_AUTH;
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return;
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}
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break;
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default:
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echo _NOT_AUTH;
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return;
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break;
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}
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}
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$filename = $info[ 'file' ] .'.xml';
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// security check to stop server path disclosure
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if ( strstr( $filename, '/' ) ) {
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echo _NOT_AUTH;
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return;
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}
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$info[ 'file' ] = $mosConfig_cachepath .'/'. $filename;
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// load feed creator class
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$rss = new UniversalFeedCreator();
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// load image creator class
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$image = new FeedImage();
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// loads cache file
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if ( $showFeed && $info[ 'cache' ] ) {
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$rss->useCached( $info[ 'feed' ], $info[ 'file' ], $info[ 'cache_time' ] );
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}
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$rss->title = $info[ 'title' ];
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$rss->description = $info[ 'description' ];
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$rss->link = $info[ 'link' ];
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$rss->syndicationURL = $info[ 'link' ];
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$rss->cssStyleSheet = NULL;
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$rss->encoding = $info[ 'encoding' ];
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if ( $info[ 'image' ] ) {
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$image->url = $info[ 'image' ];
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$image->link = $info[ 'link' ];
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$image->title = $info[ 'image_alt' ];
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$image->description = $info[ 'description' ];
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// loads image info into rss array
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$rss->image = $image;
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}
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// Determine ordering for sql
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switch ( strtolower( $info[ 'orderby' ] ) ) {
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case 'date':
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$orderby = 'a.created';
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break;
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case 'rdate':
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$orderby = 'a.created DESC';
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break;
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case 'alpha':
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$orderby = 'a.title';
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break;
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case 'ralpha':
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$orderby = 'a.title DESC';
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break;
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case 'hits':
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$orderby = 'a.hits DESC';
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break;
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case 'rhits':
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$orderby = 'a.hits ASC';
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break;
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case 'front':
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$orderby = 'f.ordering';
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break;
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default:
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$orderby = 'f.ordering';
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break;
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}
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// query of frontpage content items
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$query = "SELECT a.*, u.name AS author, u.usertype, UNIX_TIMESTAMP( a.created ) AS created_ts, cat.title AS cat_title, sec.title AS section_title"
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. "\n FROM #__content AS a"
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. "\n INNER JOIN #__content_frontpage AS f ON f.content_id = a.id"
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. "\n LEFT JOIN #__users AS u ON u.id = a.created_by"
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. "\n LEFT JOIN #__categories AS cat ON cat.id = a.catid"
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. "\n LEFT JOIN #__sections AS sec ON sec.id = a.sectionid"
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. "\n WHERE a.state = 1"
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. "\n AND cat.published = 1"
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. "\n AND sec.published = 1"
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. "\n AND a.access = 0"
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. "\n AND cat.access = 0"
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. "\n AND sec.access = 0"
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. "\n AND ( a.publish_up = " . $database->Quote( $nullDate ) . " OR a.publish_up <= " . $database->Quote( $now ) . " )"
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. "\n AND ( a.publish_down = " . $database->Quote( $nullDate ) . " OR a.publish_down >= " . $database->Quote( $now ) . " )"
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. "\n ORDER BY $orderby"
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;
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$database->setQuery( $query, 0, $info[ 'count' ] );
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$rows = $database->loadObjectList();
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foreach ( $rows as $row ) {
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// title for particular item
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$item_title = htmlspecialchars( $row->title );
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$item_title = html_entity_decode( $item_title );
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// url link to article
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// & used instead of & as this is converted by feed creator
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$_Itemid = '';
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$itemid = $mainframe->getItemid( $row->id );
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if ($itemid) {
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$_Itemid = '&Itemid='. $itemid;
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}
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$item_link = 'index.php?option=com_content&task=view&id='. $row->id . $_Itemid;
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$item_link = sefRelToAbs( $item_link );
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// removes all formating from the intro text for the description text
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$item_description = $row->introtext;
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$item_description = mosHTML::cleanText( $item_description );
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$item_description = html_entity_decode( $item_description );
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if ( $info[ 'limit_text' ] ) {
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if ( $info[ 'text_length' ] ) {
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// limits description text to x words
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$item_description_array = split( ' ', $item_description );
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$count = count( $item_description_array );
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if ( $count > $info[ 'text_length' ] ) {
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$item_description = '';
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for ( $a = 0; $a < $info[ 'text_length' ]; $a++ ) {
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$item_description .= $item_description_array[$a]. ' ';
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}
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$item_description = trim( $item_description );
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$item_description .= '...';
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}
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} else {
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// do not include description when text_length = 0
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$item_description = NULL;
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}
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}
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// load individual item creator class
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$item = new FeedItem();
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// item info
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$item->title = $item_title;
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$item->link = $item_link;
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$item->description = $item_description;
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$item->source = $info[ 'link' ];
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$item->date = date( 'r', $row->created_ts );
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$item->category = $row->section_title . ' - ' . $row->cat_title;
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// loads item info into rss array
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$rss->addItem( $item );
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}
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// save feed file
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$rss->saveFeed( $info[ 'feed' ], $info[ 'file' ], $showFeed );
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}
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?>
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