src/Module/WellKnown/HostMeta.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2023, 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\Core\System;
  26 use Friendica\DI;
  27 use Friendica\Module\Response;
  28 use Friendica\Protocol\Salmon;
  29 use Friendica\Util\Crypto;
  30 use Friendica\Util\XML;
  31
  32 /**
  33  * Prints the metadata for describing this host
  34  * @see https://tools.ietf.org/html/rfc6415
  35  */
  36 class HostMeta extends BaseModule
  37 {
  38         protected function rawContent(array $request = [])
  39         {
  40                 $config = DI::config();
  41
  42                 if (!$config->get('system', 'site_pubkey', false)) {
  43                         $res = Crypto::newKeypair(1024);
  44
  45                         $config->set('system', 'site_prvkey', $res['prvkey']);
  46                         $config->set('system', 'site_pubkey', $res['pubkey']);
  47                 }
  48
  49                 $domain = (string)DI::baseUrl();
  50
  51                 XML::fromArray([
  52                         'XRD' => [
  53                                 '@attributes' => [
  54                                         'xmlns'    => 'http://docs.oasis-open.org/ns/xri/xrd-1.0',
  55                                 ],
  56                                 'hm:Host' => DI::baseUrl()->getHost(),
  57                                 '1:link' => [
  58                                         '@attributes' => [
  59                                                 'rel'      => 'lrdd',
  60                                                 'type'     => 'application/xrd+xml',
  61                                                 'template' => $domain . '/xrd?uri={uri}'
  62                                         ]
  63                                 ],
  64                                 '2:link' => [
  65                                         '@attributes' => [
  66                                                 'rel'      => 'lrdd',
  67                                                 'type'     => 'application/json',
  68                                                 'template' => $domain . '/.well-known/webfinger?resource={uri}'
  69                                         ]
  70                                 ],
  71                                 '3:link' => [
  72                                         '@attributes' => [
  73                                                 'rel'  => 'acct-mgmt',
  74                                                 'href' => $domain . '/amcd'
  75                                         ]
  76                                 ],
  77                                 '4:link' => [
  78                                         '@attributes' => [
  79                                                 'rel'  => 'http://services.mozilla.com/amcd/0.1',
  80                                                 'href' => $domain . '/amcd'
  81                                         ]
  82                                 ],
  83                                 'Property' => [
  84                                         '@attributes' => [
  85                                                 'type'      => 'http://salmon-protocol.org/ns/magic-key',
  86                                                 'mk:key_id' => '1'
  87                                         ],
  88                                         Salmon::salmonKey($config->get('system', 'site_pubkey'))
  89                                 ]
  90                         ],
  91                 ], $xml, false, ['hm' => 'http://host-meta.net/xrd/1.0', 'mk' => 'http://salmon-protocol.org/ns/magic-key']);
  92
  93                 System::httpExit($xml->saveXML(), Response::TYPE_XML, 'application/xrd+xml');
  94         }
  95 }