friendica-addons/opmlexport/opmlexport.php

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<?php
/**
* Name: OPML Export
* Description: Export user's RSS/Atom contacts as OPML
* Version: 1.0
* Author: Fabio Comuni <https://social.gl-como.it/profile/fabrixxm>
* License: 3-clause BSD license
*/
use Friendica\DI;
use Friendica\Core\Hook;
use Friendica\Core\Logger;
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use Friendica\Core\Protocol;
use Friendica\Model\Contact;
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use Friendica\Model\User;
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function opmlexport_install()
{
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Hook::register('addon_settings', __FILE__, 'opmlexport_addon_settings');
Hook::register('addon_settings_post', __FILE__, 'opmlexport_addon_settings_post');
Logger::notice('installed opmlexport Addon');
}
function opmlexport()
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{
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$condition = [
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'uid' => DI::userSession()->getLocalUserId(),
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'self' => false,
'deleted' => false,
'archive' => false,
'blocked' => false,
'pending' => false,
'network' => Protocol::FEED
];
$data = Contact::selectToArray([], $condition, ['order' => ['name']]);
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$user = User::getById(DI::userSession()->getLocalUserId());
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$xml = new \DOMDocument( '1.0', 'utf-8' );
$opml = $xml->createElement('opml');
$head = $xml->createElement('head');
$body = $xml->createElement('body');
$outline = $xml->createElement('outline');
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$outline->setAttribute('title', $user['username'] . '\'s RSS/Atom contacts');
$outline->setAttribute('text', $user['username'] . '\'s RSS/Atom contacts');
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foreach($data as $c) {
$entry = $xml->createElement('outline');
$entry->setAttribute('title', $c['name']);
$entry->setAttribute('text', $c['name']);
$entry->setAttribute('xmlUrl', $c['url']);
$outline->appendChild($entry);
}
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$body->appendChild($outline);
$opml->appendChild($head);
$opml->appendChild($body);
$xml->appendChild($opml);
header('Content-Type: text/x-opml');
header('Content-Disposition: attachment; filename=feeds.opml');
$xml->formatOutput = true;
echo $xml->saveXML();
die();
}
function opmlexport_addon_settings(array &$data)
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{
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if (!DI::userSession()->getLocalUserId()) {
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return;
}
$data = [
'addon' => 'opmlexport',
'title' => DI::l10n()->t('OPML Export'),
'submit' => DI::l10n()->t('Export RSS/Atom contacts'),
];
}
function opmlexport_addon_settings_post(array &$b)
{
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if (!DI::userSession()->getLocalUserId() || empty($_POST['opmlexport-submit'])) {
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return;
}
opmlexport();
}