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74 lines
2.1 KiB
PHP
74 lines
2.1 KiB
PHP
<?php
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use Engelsystem\Database\DB;
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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 $user;
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if (!isset($_REQUEST['key']) || !preg_match('/^[\da-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 = DB::select('
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SELECT *
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FROM `News`
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' . (empty($_REQUEST['meetings']) ? '' : 'WHERE `Treffen` = 1 ') . '
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ORDER BY `ID`
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DESC LIMIT ' . (int)config('display_news')
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);
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$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>' . $_SERVER['HTTP_HOST']
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. htmlspecialchars(preg_replace(
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'#[&?]key=[a-f\d]{32}#',
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'',
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$_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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