72 lines
2.1 KiB
PHP
72 lines
2.1 KiB
PHP
<?php
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/**
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* Publically available page to feed the news to feedreaders
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*/
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function user_atom()
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{
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global $user, $display_news;
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if (!isset($_REQUEST['key']) || !preg_match("/^[0-9a-f]{32}$/", $_REQUEST['key'])) {
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engelsystem_error("Missing key.");
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}
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$key = $_REQUEST['key'];
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$user = User_by_api_key($key);
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if ($user == null) {
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engelsystem_error("Key invalid.");
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}
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if (!in_array('atom', privileges_for_user($user['UID']))) {
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engelsystem_error("No privilege for atom.");
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}
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$news = sql_select("
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SELECT *
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FROM `News`
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" . (empty($_REQUEST['meetings']) ? '' : 'WHERE `Treffen` = 1 ') . "
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ORDER BY `ID`
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DESC LIMIT " . (int)$display_news
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);
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$output = make_atom_entries_from_news($news);
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header('Content-Type: application/atom+xml; charset=utf-8');
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header("Content-Length: " . strlen($output));
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raw_output($output);
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}
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/**
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* @param array[] $news_entries
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* @return string
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*/
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function make_atom_entries_from_news($news_entries)
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{
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$html = '<?xml version="1.0" encoding="utf-8"?>
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<feed xmlns="http://www.w3.org/2005/Atom">
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<title>Engelsystem</title>
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<id>' . $_SERVER['HTTP_HOST']
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. htmlspecialchars(preg_replace(
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'#[&?]key=[a-f0-9]{32}#',
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'',
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$_SERVER['REQUEST_URI']
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))
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. '</id>
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<updated>' . date('Y-m-d\TH:i:sP', $news_entries[0]['Datum']) . "</updated>\n";
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foreach ($news_entries as $news_entry) {
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$html .= make_atom_entry_from_news($news_entry);
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}
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$html .= "</feed>";
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return $html;
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}
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function make_atom_entry_from_news($news_entry)
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{
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return " <entry>
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<title>" . htmlspecialchars($news_entry['Betreff']) . "</title>
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<link href=\"" . page_link_to_absolute("news_comments&nid=") . "${news_entry['ID']}\"/>
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<id>" . preg_replace('#^https?://#', '', page_link_to_absolute("news")) . "-${news_entry['ID']}</id>
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<updated>" . date('Y-m-d\TH:i:sP', $news_entry['Datum']) . "</updated>
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<summary type=\"html\">" . htmlspecialchars($news_entry['Text']) . "</summary>
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</entry>\n";
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}
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