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feeds.php
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<?php
/**
* phpwcms content management system
*
* @author Oliver Georgi <[email protected]>
* @copyright Copyright (c) 2002-2016, Oliver Georgi
* @license http://opensource.org/licenses/GPL-2.0 GNU GPL-2
* @link http://www.phpwcms.org
*
**/
// creates feeds
$phpwcms = array();
require_once 'include/config/conf.inc.php';
require_once 'include/inc_lib/default.inc.php';
require_once PHPWCMS_ROOT.'/include/inc_lib/helper.session.php';
require_once PHPWCMS_ROOT.'/include/inc_lib/dbcon.inc.php';
require_once PHPWCMS_ROOT.'/include/inc_lib/general.inc.php';
require_once PHPWCMS_ROOT.'/include/inc_front/front.func.inc.php';
require_once PHPWCMS_ROOT.'/include/inc_ext/feedcreator.class.php';
require_once PHPWCMS_ROOT.'/include/config/conf.indexpage.inc.php';
require_once PHPWCMS_ROOT.'/include/config/conf.template_default.inc.php';
$feeds_formats = array('0.91', 'RSS0.91', '1.0', 'RSS1.0', '2.0', 'RSS2.0', 'ATOM', 'ATOM1.0', 'ATOM0.3');
$feeds = array();
$feeds = @parse_ini_file(PHPWCMS_ROOT.'/include/config/feeds.ini.php', true);
if(empty($feeds) || (is_array($feeds) && count($feeds) == 0)) {
$feeds['default'] = array(
"title" => "RSS 2.0",
"description" => "",
"link" => PHPWCMS_URL,
"syndicationURL" => PHPWCMS_URL.'feeds.php',
"imagesrc" => "",
"imagetitle" => "",
"imagelink" => "",
"imagedescription" => "",
"timeZone" => "+01:00",
"cacheTTL" => 3600,
"structureID" => "",
"useauthor" => 1,
"feedAuthor" => "",
"feedEmail" => "",
"maxentries" => 10,
"encoding" => "UTF-8",
"defaultFormat" => "RSS2.0",
"filename" => "default_feed.xml",
"orderBy" => 'livedate'
);
}
// chheck which feed data should be used
reset($feeds);
$default = isset($feeds['default']) ? 'default' : key($feeds);
$custom = isset($_GET['feed']) ? strval(clean_slweg($_GET['feed'])) : $default;
if(!isset($feeds[$custom])) {
if($custom != '') {
$feeds[$default]['structureID'] = $custom;
}
$custom = $default;
}
$FEED = $feeds[$custom];
$FEED['defaultFormat'] = empty($_GET['format']) ? trim($FEED['defaultFormat']) : strtoupper(clean_slweg($_GET['format']));
$FEED['defaultFormat'] = in_array($FEED['defaultFormat'], $feeds_formats) ? $FEED['defaultFormat'] : "RSS2.0";
if(!empty($FEED['structureID'])) {
$FEED['structureID'] = explode(',', $FEED['structureID']);
foreach($FEED['structureID'] as $key => $value) {
$value = getFeedStructureID($value);
if($value == '') {
unset($FEED['structureID'][$key]);
} else {
$FEED['structureID'][$key] = intval($value);
}
}
$FEED['structureID'] = array_unique($FEED['structureID']);
if(count($FEED['structureID'])) {
$FEED['structureID'] = implode(',', $FEED['structureID']);
if(isset($_GET['feed']) && $FEED['structureID'] != '') {
$FEED['filename'] = $FEED['structureID'].'.xml';
}
} else {
$FEED['structureID'] = '';
}
}
if(empty($FEED['filename'])) {
$FEED['filename'] = md5($custom.$FEED['title']).'.xml';
}
$FEED['filename'] = 'content/rss/'.$FEED['defaultFormat'].'-'.$FEED['filename'];
$FEED['maxentries'] = intval($FEED['maxentries']);
$FEED['useauthor'] = intval($FEED['useauthor']);
$FEED['encoding'] = empty($FEED['encoding']) ? 'utf-8' : $FEED['encoding'];
$FEED['timeZone'] = empty($FEED['timeZone']) ? '+01:00' : $FEED['timeZone'];
define('FEED_ENCODING', trim(strtolower($FEED['encoding'])));
define("TIME_ZONE", $FEED['timeZone']);
$rss = new UniversalFeedCreator();
$rss->useCached($FEED['defaultFormat'], $FEED['filename'], intval($FEED['cacheTTL']));
$rss->title = $FEED['title'];
$rss->description = $FEED['description'];
$rss->link = $FEED['link'];
$rss->syndicationURL = $FEED['syndicationURL'];
$rss->encoding = FEED_ENCODING;
if(!empty($FEED['feedAuthor'])) {
$rss->editor = $FEED['feedAuthor'];
}
if(!empty($FEED['feedEmail'])) {
$rss->editorEmail = $FEED['feedEmail'];
}
if(!empty($FEED['imagesrc'])) {
$image = new FeedImage();
$image->title = $FEED['imagetitle'];
$image->url = $FEED['imagesrc'];
$image->link = $FEED['imagelink'];
$image->description = $FEED['imagedescription'];
$rss->image = $image;
}
$sql = "SELECT *, UNIX_TIMESTAMP(article_tstamp) AS article_changeDate ";
$sql .= "FROM ".DB_PREPEND."phpwcms_article ar LEFT JOIN ".DB_PREPEND."phpwcms_articlecat ac ON ";
$sql .= "ar.article_cid=ac.acat_id WHERE ";
if(isset($FEED['structureID']) && $FEED['structureID'] != '') {
$sql .= " ar.article_cid IN (". $FEED['structureID'] .") AND ";
}
$sql .= "ar.article_aktiv=1 AND ar.article_deleted=0 AND ar.article_begin < NOW() ";
$sql .= "AND ar.article_end > NOW() AND ar.article_nosearch=0 AND article_norss=1 AND IF(ar.article_cid=0, ";
$sql .= $indexpage['acat_aktiv'] && empty($indexpage['acat_regonly']) ? '1' : '0';
$sql .= ", ac.acat_aktiv=1 AND ac.acat_trash=0 AND ac.acat_regonly=0) ";
// define ordering
if(empty($FEED['orderBy'])) {
$FEED['orderBy'] = 'livedate';
}
switch(strtolower(trim($FEED['orderBy']))) {
// createdate
case 'createdate': $FEED['orderBy'] = 'ar.article_created';
break;
// changedate
case 'changedate': $FEED['orderBy'] = 'ar.article_tstamp';
break;
// killdate
case 'killdate': $FEED['orderBy'] = 'ar.article_end';
break;
// livedate
default: $FEED['orderBy'] = 'ar.article_begin';
}
// define ASC, DESC, RAND
if(empty($FEED['order'])) {
$FEED['order'] = 'DESC';
}
switch(strtoupper(trim($FEED['orderBy']))) {
// random
case 'RAND': $FEED['order'] = 'RAND()';
break;
// ascending
case 'ASC': $FEED['order'] = $FEED['orderBy'] . ' ASC';
break;
// descending
default: $FEED['order'] = $FEED['orderBy'] . ' DESC';
}
//$sql .= "ORDER BY ar.article_begin DESC";
$sql .= 'ORDER BY ' . $FEED['order'];
if($FEED['maxentries']) {
$sql .= " LIMIT ".$FEED['maxentries'];
}
$timePlus = 0;
//dumpVar($sql); exit();
if($result = mysql_query($sql, $db)) {
while($data = mysql_fetch_assoc($result)) {
$item = new FeedItem();
$item->title = combinedParser($data["article_title"], FEED_ENCODING);
$item->link = PHPWCMS_URL.'index.php?'.setGetArticleAid( $data );
$item->description = combinedParser( empty($data["article_summary"]) ? $data["article_subtitle"] : $data["article_summary"] , FEED_ENCODING);
$item->date = $data['article_created'] + $timePlus;
$item->updateDate = $data['article_changeDate'] + $timePlus + 1;
$item->source = PHPWCMS_URL;
if($FEED['useauthor'] || $FEED['defaultFormat'] == 'ATOM' || $FEED['defaultFormat'] == 'ATOM1.0') {
if(!empty($data["article_username"])) {
$item->author = $FEED['feedEmail'].' ('.combinedParser($data["article_username"]).')';
} elseif($FEED['defaultFormat'] == 'ATOM' || $FEED['defaultFormat'] == 'ATOM1.0') {
$item->author = $FEED['feedAuthor'];
}
}
$item->guid = PHPWCMS_URL.'index.php?'.setGetArticleAid( $data );
$rss->addItem($item);
$timePlus += 2;
}
}
$rss->saveFeed($FEED['defaultFormat'], $FEED['filename']);
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
function combinedParser($string, $charset='utf-8', $allowed_tags='') {
$string = html_parser($string);
$string = clean_replacement_tags($string, $allowed_tags);
$string = str_replace(' ', ' ', $string);
$string = decode_entities($string);
$string = cleanUpSpecialHtmlEntities($string);
if(!empty($string) && PHPWCMS_CHARSET != $charset) {
$string = makeCharsetConversion($string, PHPWCMS_CHARSET, $charset);
} else {
$string = html_specialchars($string);
}
// Strip away unwanted UTF-8 chars to avoid XML fatal parsing error
// http://www.phpwact.org/php/i18n/charsets#common_problem_areas_with_utf-8
if($charset == 'utf-8') {
$string = preg_replace('/[^\x{0009}\x{000a}\x{000d}\x{0020}-\x{D7FF}\x{E000}-\x{FFFD}]+/u', ' ', $string);
}
return $string;
}
function getFeedStructureID($value) {
$value = trim($value);
if($value !== '' && !is_num($value)) {
//check for correct structureID when alias is given
global $indexpage;
$value = strtolower($value);
if($indexpage['acat_aktiv'] && empty($indexpage['acat_regonly']) && strtolower($indexpage['acat_alias']) == $value) {
return '0';
}
$sql = "SELECT acat_id FROM ".DB_PREPEND."phpwcms_articlecat WHERE acat_aktiv=1 AND ";
$sql .= "acat_trash=0 AND acat_regonly=0 AND acat_alias LIKE "._dbEscape($value)." LIMIT 1";
$value = '';
if($result = mysql_query($sql, $GLOBALS['db'])) {
if($row = mysql_fetch_row($result)) {
$value = strval($row[0]);
}
mysql_free_result($result);
}
}
return $value;
}
function is_num($var) {
for ($i = 0; $i < strlen($var); $i++) {
$ascii_code = ord($var[$i]);
if(intval($ascii_code) >= 48 && intval($ascii_code) <= 57) {
continue;
} else {
return false;
}
}
return true;
}