<?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/atom+xml; charset=UTF-8');

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

$GLOBALS['BT_ROOT_PATH'] = '';

error_reporting(-1);

$begin = microtime(TRUE);

require_once 'inc/conf.php';

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

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

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

date_default_timezone_set($GLOBALS['fuseau_horaire']);

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

function require_all() {

}

echo '<feed xmlns="http://www.w3.org/2005/Atom">'."\n";

echo '<author><name>'.$GLOBALS['auteur'].'</name></author>'."\n";

echo '<link rel="self" href="'.$GLOBALS['racine'].'atom.php'.((!empty($_SERVER['QUERY_STRING'])) ? '?'.(htmlspecialchars($_SERVER['QUERY_STRING'])) : '').'" />'."\n";

// ATOM DU BLOG

/* si y'a un ID en paramètre : flux 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');

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

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

echo '<id>'.$billet[0]['bt_link'].'</id>';

foreach ($liste as $comment) {

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

$tag = 'tag:'.parse_url($GLOBALS['racine'], PHP_URL_HOST).''.$dec['annee'].'-'.$dec['mois'].'-'.$dec['jour'].':'.$comment['bt_id'];

echo '<entry>'."\n";

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

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

echo '<id>'.$tag.'</id>'."\n";

echo '<updated>'.date('c', mktime($dec['heure'], $dec['minutes'], $dec['secondes'], $dec['mois'], $dec['jour'], $dec['annee'])).'</updated>'."\n";

echo '<content type="html">'.htmlspecialchars($comment['bt_content']).'</content>'."\n";

echo '</entry>'."\n";

}

} else {

echo '<entry>'."\n";

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

echo '<id>'.$GLOBALS['racine'].'</id>'."\n";

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

echo '<updated>'.date('r').'</updated>'."\n";

echo '<content type="html">'.$GLOBALS['lang']['no_comments'].'</content>'."\n";

echo '</entry>'."\n";

}

}

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

/* 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)) {

require_all();

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

rafraichir_cache();

}

// this function exists in SQLI.PHP. It is replaced here, because including sqli.php and the other files takes 10x more cpu load than this

if (file_exists($fcache)) {

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

if (!is_array($liste)) {

$liste = array();

unlink($fcache);

}

}

$liste_rss = array();

$modes_url = '';

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

$found = 0;

// 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'];

}

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";

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

$xml .= '<id>'.$GLOBALS['racine'].'?mode='.$modes_url.'</id>'."\n";

$main_updated = 0;

$xml_post = '';

foreach ($liste_rss as $elem) {

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

$main_updated = max($main_updated, $time);

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

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

$tag = 'tag:'.parse_url($GLOBALS['racine'], PHP_URL_HOST).','.date_create_from_format('YmdHis', $time)->format('Y-m-d').':'.$elem['bt_type'].'-'.$elem['bt_id'];

// normal code

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

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

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

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

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

if ($invert) {

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

$xml_post .= '<content type="html">'.htmlspecialchars(rel2abs($elem['bt_content']).'<br/> — (<a href="'.$elem['bt_link'].'">link</a>)').'</content>'."\n";

} else {

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

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

}

} else {

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

$xml_post .= '<content type="html">'.htmlspecialchars(rel2abs($elem['bt_content'])).'</content>'."\n";

}

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

}

$xml .= '<updated>'.date_create_from_format('YmdHis', $main_updated)->format('c').'</updated>'."\n";

$xml .= $xml_post;

echo $xml;

}

$end = microtime(TRUE);

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

echo '</feed>';

?>