engelsystem/includes/pages/user_atom.php

40 lines
1.6 KiB
PHP

<?php
// publically available page to feed the news to feedreaders
function user_atom() {
global $ical_shifts, $user, $DISPLAY_NEWS;
if (isset ($_REQUEST['key']) && preg_match("/^[0-9a-f]{32}$/", $_REQUEST['key']))
$key = $_REQUEST['key'];
else
die("Missing key.");
$user = sql_select("SELECT * FROM `User` WHERE `ical_key`='" . sql_escape($key) . "' LIMIT 1");
if (count($user) == 0)
die("Key invalid.");
$user = $user[0];
$news = sql_select("SELECT * FROM `News` " . (empty($_REQUEST['meetings'])? '' : 'WHERE `Treffen` = 1 ') . "ORDER BY `ID` DESC LIMIT " . sql_escape($DISPLAY_NEWS));
header('Content-Type: application/atom+xml; charset=utf-8');
$html = '<?xml version="1.0" encoding="utf-8"?>
<feed xmlns="http://www.w3.org/2005/Atom">
<title>Engelsystem</title>
<id>' . $_SERVER['HTTP_HOST'] . htmlspecialchars(preg_replace('#[&?]key=[a-f0-9]{32}#', '', $_SERVER['REQUEST_URI'])) . '</id>
<updated>' . date('Y-m-d\TH:i:sP', $news[0]['Datum']) . "</updated>\n";
foreach ($news as $news_entry) {
$html .= " <entry>
<title>" . htmlspecialchars($news_entry['Betreff']) . "</title>
<link href=\"" . page_link_to_absolute("news_comments&amp;nid=") . "${news_entry['ID']}\"/>
<id>" . preg_replace('#^https?://#', '', page_link_to_absolute("news")) . "-${news_entry['ID']}</id>
<updated>" . date('Y-m-d\TH:i:sP', $news_entry['Datum']) . "</updated>
<summary type=\"html\">" . htmlspecialchars($news_entry['Text']) . "</summary>
</entry>\n";
}
$html .= "</feed>";
header("Content-Length: " . strlen($html));
echo $html;
die();
}
?>