opmlexport/opmlexport.php

   1 <?php
   2 /**
   3  * Name: OPML Export
   4  * Description: Export user's RSS/Atom contacts as OPML
   5  * Version: 1.0
   6  * Author: Fabio Comuni <https://social.gl-como.it/profile/fabrixxm>
   7  * License: 3-clause BSD license
   8  */
   9
  10 use Friendica\DI;
  11 use Friendica\App;
  12 use Friendica\Core\Hook;
  13 use Friendica\Core\Logger;
  14 use Friendica\Network\HTTPException;
  15 use Friendica\Database\DBA;
  16 use Friendica\Core\Renderer;
  17 use Friendica\Core\Protocol;
  18 use Friendica\Model\Contact;
  19
  20 function opmlexport_install()
  21 {
  22         Hook::register('addon_settings',        __FILE__, 'opmlexport_addon_settings');
  23         Hook::register('addon_settings_post',   __FILE__, 'opmlexport_addon_settings_post');
  24         Logger::log('installed opmlexport Addon');
  25 }
  26
  27
  28 function opmlexport(App $a)
  29 {
  30         $condition = [
  31                 'uid' => local_user(),
  32                 'self' => false,
  33                 'deleted' => false,
  34                 'archive' => false,
  35                 'blocked' => false,
  36                 'pending' => false,
  37                 'network' => Protocol::FEED
  38         ];
  39         $data = Contact::selectToArray([], $condition, ['order' => ['name']]);
  40
  41         $xml = new \DOMDocument( '1.0', 'utf-8' );
  42         $opml = $xml->createElement('opml');
  43         $head = $xml->createElement('head');
  44         $body = $xml->createElement('body');
  45         $outline = $xml->createElement('outline');
  46         $outline->setAttribute('title', $a->user['username'] . '\'s RSS/Atom contacts');
  47         $outline->setAttribute('text', $a->user['username'] . '\'s RSS/Atom contacts');
  48
  49         foreach($data as $c) {
  50                 $entry = $xml->createElement('outline');
  51                 $entry->setAttribute('title',  $c['name']);
  52                 $entry->setAttribute('text',   $c['name']);
  53                 $entry->setAttribute('xmlUrl', $c['url']);
  54                 $outline->appendChild($entry);
  55         }
  56
  57         $body->appendChild($outline);
  58         $opml->appendChild($head);
  59         $opml->appendChild($body);
  60         $xml->appendChild($opml);
  61         header('Content-Type: text/x-opml');
  62         header('Content-Disposition: attachment; filename=feeds.opml');
  63         $xml->formatOutput = true;
  64         echo $xml->saveXML();
  65         die();
  66 }
  67
  68
  69 function opmlexport_addon_settings(App $a, &$s)
  70 {
  71         if (!local_user()) {
  72                 return;
  73         }
  74
  75         $t = Renderer::getMarkupTemplate('settings.tpl', 'addon/opmlexport/');
  76         $s .= Renderer::replaceMacros($t, [
  77                 '$title'   => DI::l10n()->t('OPML Export'),
  78                 '$submit'  => DI::l10n()->t('Export RSS/Atom contacts'),
  79         ]);
  80 }
  81
  82
  83 function opmlexport_addon_settings_post(App $a, &$b)
  84 {
  85         if (!local_user() || empty($_POST['opmlexport-submit'])) {
  86                 return;
  87         }
  88         opmlexport($a);
  89 }