<?php

# *** LICENSE ***

# This file is part of BlogoText.

# http://lehollandaisvolant.net/blogotext/

#

# 2006 Frederic Nassar.

# 2010-2014 Timo Van Neerden <timo@neerden.eu>

#

# BlogoText is free software.

# You can redistribute it under the terms of the MIT / X11 Licence.

#

# *** LICENSE ***

header('Content-Type: application/rss+xml; charset=UTF-8');

$xml = "<?".'xml version="1.0" encoding="UTF-8"'."?>"."\n";

$GLOBALS['BT_ROOT_PATH'] = '';

error_reporting(-1);

$begin = microtime(TRUE);

$GLOBALS['dossier_cache'] = 'cache';

require_once 'inc/conf.php';

require_once $GLOBALS['dossier_config'].'/user.php';

require_once $GLOBALS['dossier_config'].'/prefs.php';

date_default_timezone_set($GLOBALS['fuseau_horaire']);

require_once 'inc/util.php';

function require_all() {

}

$xml .= '<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/">'."\n";

$xml .= '<channel>'."\n";

$xml .= '<atom:link href="'.$GLOBALS['racine'].'rss.php'.((!empty($_SERVER['QUERY_STRING'])) ? '?'.(htmlspecialchars($_SERVER['QUERY_STRING'])) : '').'" rel="self" type="application/rss+xml" />';

// RSS DU BLOG

/* si y'a un ID en paramètre : rss sur fil commentaires de l'article "ID" */

if (isset($_GET['id']) and preg_match('#^[0-9]{14}$#', $_GET['id'])) {

require_all();

$GLOBALS['db_handle'] = open_base($GLOBALS['db_location']);

$article_id = htmlspecialchars($_GET['id']);

$liste = liste_elements("SELECT * FROM commentaires WHERE bt_article_id=? AND bt_statut=1 ORDER BY bt_id DESC", array($article_id), 'commentaires');

if (!empty($liste)) {

$query = "SELECT * FROM articles WHERE bt_id=? AND bt_date<=".date('YmdHis')." AND bt_statut=1";

$billet = liste_elements($query, array($article_id), 'articles');

$xml .= '<title>Commentaires sur '.$billet[0]['bt_title'].' - '.$GLOBALS['nom_du_site'].'</title>'."\n";

$xml .= '<link>'.$billet[0]['bt_link'].'</link>'."\n";

$xml .= '<description><![CDATA['.$GLOBALS['description'].']]></description>'."\n";

$xml .= '<language>fr</language>'."\n";

$xml .= '<copyright>'.$GLOBALS['auteur'].'</copyright>'."\n";

foreach ($liste as $comment) {

$dec = decode_id($comment['bt_id']);

$xml .= '<item>'."\n";

$xml .= '<title>'.$comment['bt_author'].'</title>'."\n";

$xml .= '<guid isPermaLink="false">'.$comment['bt_link'].'</guid>'."\n";

$xml .= '<link>'.$comment['bt_link'].'</link>'."\n";

$xml .= '<pubDate>'.date('r', mktime($dec['heure'], $dec['minutes'], $dec['secondes'], $dec['mois'], $dec['jour'], $dec['annee'])).'</pubDate>'."\n";

$xml .= '<description><![CDATA['.($comment['bt_content']).']]></description>'."\n";

$xml .= '</item>'."\n";

}

} else {

$xml .= '<item>'."\n";

$xml .= '<title>'.$GLOBALS['lang']['note_no_commentaire'].'</title>'."\n";

$xml .= '<guid isPermaLink="false">'.$GLOBALS['racine'].'index.php</guid>'."\n";

$xml .= '<link>'.$GLOBALS['racine'].'index.php</link>'."\n";

$xml .= '<pubDate>'.date('r').'</pubDate>'."\n";

$xml .= '<description>'.$GLOBALS['lang']['no_comments'].'</description>'."\n";

$xml .= '</item>'."\n";

}

}

/* sinon, fil rss sur les articles (par défaut) ou sur les liens ou les Commentaires */

/* Ici, on utilise la petite BDD placée en cache. */

else {

function rel2abs($article) { // convertit les URL relatives en absolues

}

$fcache = $GLOBALS['dossier_cache'].'/'.'cache_rss_array.dat';

$liste = array();

if ( !file_exists($fcache) or !is_array($liste = @unserialize(base64_decode(substr(file_get_contents($fcache), strlen('<?php /* '), -strlen(' */'))))) ) {

require_all();

$GLOBALS['db_handle'] = open_base($GLOBALS['db_location']);

rafraichir_cache();

if (file_exists($fcache)) { // file exists but reading it does not give an array: try again

$liste = unserialize(base64_decode(substr(file_get_contents($fcache), strlen('<?php /* '), -strlen(' */'))));

}

}

if (!is_array($liste)) { // cache file does not work: delete it.

$liste = array('a' => array(), 'c' => array(), 'l' => array());

unlink($fcache);

}

$liste_rss = array();

$modes_url = '';

if (!empty($_GET['mode'])) {

$found = 0;

if ( strpos($_GET['mode'], 'same_day') !== FALSE ) {

require_all();

$GLOBALS['db_handle'] = open_base($GLOBALS['db_location']);

$query = "SELECT * FROM articles WHERE TRUE";

$liste_rss = liste_elements($query, array(), 'articles');

$found = 1;

$liste_rss = sort_by_same_date($liste_rss, true);

}

// 1 = articles

if ( strpos($_GET['mode'], 'blog') !== FALSE ) {

$liste_rss = array_merge($liste_rss, $liste['a']);

$found = 1; $modes_url .= 'blog-';

}

// 2 = commentaires

if ( strpos($_GET['mode'], 'comments') !== FALSE ) {

$liste_rss = array_merge($liste_rss, $liste['c']);

$found = 1; $modes_url .= 'comments-';

}

// 4 = links

if (strpos($_GET['mode'], 'links') !== FALSE) {

// if is tag in url, filter links.

if (isset($_GET['tag'])) {

foreach ($liste['l'] as $i => $link) {

if ( (strpos($link['bt_tags'], htmlspecialchars($_GET['tag'].',')) === FALSE) and

(strpos($link['bt_tags'], htmlspecialchars(', '.$_GET['tag'])) === FALSE) and

($link['bt_tags'] != htmlspecialchars($_GET['tag']))) {

unset($liste['l'][$i]);

}

}

}

$liste_rss = array_merge($liste_rss, $liste['l']);

$found = 1; $modes_url .= 'links-';

}

// si rien : prend blog

if ($found == 0) { $liste_rss = $liste['a']; }

// si pas de mode, on prend le blog.

} else {

$liste_rss = $liste['a'];

}

// trick : tri selon des sous-clés d'un tableau à plusieurs sous-niveaux (trouvé dans doc-PHP)

foreach ($liste_rss as $key => $item) {

$bt_id[$key] = (isset($item['bt_date'])) ? $item['bt_date'] : $item['bt_id'];

}

if (!empty($liste_rss)) {

array_multisort($bt_id, SORT_DESC, $liste_rss);

}

$liste_rss = array_slice($liste_rss, 0, 20);

$invert = (isset($_GET['invertlinks'])) ? TRUE : FALSE;

$xml .= '<title>'.$GLOBALS['nom_du_site'].'</title>'."\n";

$xml .= '<link>'.$GLOBALS['racine'].((trim($modes_url, '-') == '') ? '' : '?mode='.(trim($modes_url, '-'))).'</link>'."\n";

$xml .= '<description><![CDATA['.$GLOBALS['description'].']]></description>'."\n";

$xml .= '<language>fr</language>'."\n";

$xml .= '<copyright>'.$GLOBALS['auteur'].'</copyright>'."\n";

foreach ($liste_rss as $elem) {

$time = (isset($elem['bt_date'])) ? $elem['bt_date'] : $elem['bt_id'];

if ($time > date('YmdHis')) { continue; }

$title = (in_array($elem['bt_type'], array('article', 'link', 'note'))) ?$elem['bt_title'] : $elem['bt_author'];

if (strpos($_GET['mode'], 'same_day') !== FALSE ) {

$year = substr($elem['bt_id'], 0, 4);

$title = "[$year] $title";

}

// normal code

$xml_post = '<item>'."\n";

$xml_post .= '<title>'.$title.'</title>'."\n";

$xml_post .= '<guid isPermaLink="false">'.$GLOBALS['racine'].'?mode=links&amp;id='.$elem['bt_id'].'</guid>'."\n";

$xml_post .= '<pubDate>'.date_create_from_format('YmdHis', $time)->format('r').'</pubDate>'."\n";

if ($elem['bt_type'] == 'link') {

if ($invert) {

$xml_post .= '<link>'.$GLOBALS['racine'].'?id='.$elem['bt_id'].'</link>'."\n";

$xml_post .= '<description><![CDATA['.rel2abs($elem['bt_content']). '<br/> — (<a href="'.$elem['bt_link'].'">link</a>)]]></description>'."\n";

} else {

$xml_post .= '<link>'.$elem['bt_link'].'</link>'."\n";

$xml_post .= '<description><![CDATA['.rel2abs($elem['bt_content']).'<br/> — (<a href="'.$GLOBALS['racine'].'?id='.$elem['bt_id'].'">permalink</a>)]]></description>'."\n";

}

} else {

$xml_post .= '<link>'.$elem['bt_link'].'</link>'."\n";

$xml_post .= '<description><![CDATA['.rel2abs($elem['bt_content']).']]></description>'."\n";

}

$xml_post .= '</item>'."\n";

$xml .= $xml_post;

}

}

$end = microtime(TRUE);

$xml .= '<!-- generated in '.round(($end - $begin),6).' seconds -->'."\n";

$xml .= '</channel>'."\n";

$xml .= '</rss>';

echo $xml;

?>