<?php // publically available page to feed the news to feedreaders function user_atom() { global $user, $DISPLAY_NEWS; if (! isset($_REQUEST['key']) || ! preg_match("/^[0-9a-f]{32}$/", $_REQUEST['key'])) { engelsystem_error("Missing key."); } $key = $_REQUEST['key']; $user = User_by_api_key($key); if ($user == null) { engelsystem_error("Key invalid."); } if (! in_array('atom', privileges_for_user($user['UID']))) { engelsystem_error("No privilege for atom."); } $news = sql_select("SELECT * FROM `News` " . (empty($_REQUEST['meetings']) ? '' : 'WHERE `Treffen` = 1 ') . "ORDER BY `ID` DESC LIMIT " . sql_escape($DISPLAY_NEWS)); $output = make_atom_entries_from_news($news); header('Content-Type: application/atom+xml; charset=utf-8'); header("Content-Length: " . strlen($output)); raw_output($output); } function make_atom_entries_from_news($news_entries) { $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', $news_entries[0]['Datum']) . "</updated>\n"; foreach ($news_entries as $news_entry) { $html .= make_atom_entry_from_news($news_entry); } $html .= "</feed>"; return $html; } function make_atom_entry_from_news($news_entry) { return " <entry> <title>" . htmlspecialchars($news_entry['Betreff']) . "</title> <link href=\"" . page_link_to_absolute("news_comments&nid=") . "${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"; } ?>