src/Module/WellKnown/XSocialRelay.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2021, the Friendica project
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica\Module\WellKnown;
  23
  24 use Friendica\BaseModule;
  25 use Friendica\DI;
  26 use Friendica\Model\Search;
  27 use Friendica\Protocol\Relay;
  28
  29 /**
  30  * Node subscription preferences for social realy systems
  31  * @see https://git.feneas.org/jaywink/social-relay/blob/master/docs/relays.md
  32  */
  33 class XSocialRelay extends BaseModule
  34 {
  35         public function rawContent()
  36         {
  37                 $config = DI::config();
  38
  39                 $scope = $config->get('system', 'relay_scope');
  40
  41                 $systemTags = [];
  42                 $userTags = [];
  43
  44                 if ($scope == Relay::SCOPE_TAGS) {
  45                         $server_tags = $config->get('system', 'relay_server_tags');
  46                         $tagitems = explode(',', $server_tags);
  47
  48                         /// @todo Check if it was better to use "strtolower" on the tags
  49                         foreach ($tagitems as $tag) {
  50                                 $systemTags[] = trim($tag, '# ');
  51                         }
  52
  53                         if ($config->get('system', 'relay_user_tags')) {
  54                                 $userTags = Search::getUserTags();
  55                         }
  56                 }
  57
  58                 $tagList = array_unique(array_merge($systemTags, $userTags));
  59
  60                 $relay = [
  61                         'subscribe' => ($scope != Relay::SCOPE_NONE),
  62                         'scope'     => $scope,
  63                         'tags'      => $tagList,
  64                         'protocols' => [
  65                                 'activitypub' => [
  66                                         'actor' => DI::baseUrl()->get() . '/friendica',
  67                                         'receive' => DI::baseUrl()->get() . '/inbox'
  68                                 ],
  69                                 'dfrn'     => [
  70                                         'receive' => DI::baseUrl()->get() . '/dfrn_notify'
  71                                 ]
  72                         ]
  73                 ];
  74
  75                 if (DI::config()->get("system", "diaspora_enabled")) {
  76                         $relay['protocols']['diaspora'] = ['receive' => DI::baseUrl()->get() . '/receive/public'];
  77                 }
  78
  79                 header('Content-type: application/json; charset=utf-8');
  80                 echo json_encode($relay, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
  81                 exit;
  82         }
  83 }