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<?php
/**
* @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
if (php_sapi_name() !== 'cli') {
echo 'Script can only run from command line' . "\n";
exit(1);
}
date_default_timezone_set('Europe/Berlin');
$content = file_get_contents(__DIR__ . '/feed.txt');
$feeds = explode("\n", $content);
$items = '';
$maxDate = new \DateTime();
$maxDate->setTimestamp(0);
foreach ($feeds as $feed) {
$feed = trim($feed);
if ($feed === '' || $feed[0] === '#') {
continue;
}
list ($id, $date, $url, $title) = explode(' - ', $feed, 4);
$dateTime = new \DateTime();
call_user_func_array([$dateTime, 'setDate'], explode('-', $date));
$dateTime->setTime(0, 0, 0);
if ($dateTime->getTimestamp() > $maxDate->getTimestamp()) {
$maxDate = $dateTime;
}
$items .= ' <item>
<guid isPermaLink="false">' . $id . '</guid>
<title>' . $title . '</title>
<link>' . $url . '</link>
<pubDate>' . $dateTime->format('r') . '</pubDate>
</item>
';
}
$beginning = '<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
<channel>
<title>Nextcloud organisation</title>
<language>en</language>
<link>https://pushfeed.nextcloud.com/feed.rss</link>
<description>Feed for announcements from Nextcloud</description>
<pubDate>' . $maxDate->format('r') . '</pubDate>
<lastBuildDate>' . $maxDate->format('r') . '</lastBuildDate>
<atom:link href="https://pushfeed.nextcloud.com/feed.rss" rel="self" type="application/rss+xml" />
';
$content = $beginning . $items . ' </channel>
</rss>
';
file_put_contents(__DIR__ . '/feed.rss', $content);
echo 'Successfully generated feed.rss' . "\n";
$key = file_get_contents(__DIR__ . '/nextcloud_announcements.key');
$signature = '';
if (!openssl_sign($content, $signature, $key, OPENSSL_ALGO_SHA512)) {
echo 'Error signing the feed' . "\n";
exit(1);
}
$signature = base64_encode($signature);
$signature = implode("\n", str_split($signature, 64));
file_put_contents(__DIR__ . '/feed.signature', $signature);
echo 'Successfully generated feed.signature' . "\n";
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