mod/oexchange.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 use Friendica\App;
  23 use Friendica\Content\Text\BBCode;
  24 use Friendica\Content\Text\HTML;
  25 use Friendica\Core\System;
  26 use Friendica\DI;
  27 use Friendica\Module\Response;
  28 use Friendica\Module\Security\Login;
  29 use Friendica\Util\XML;
  30
  31 function oexchange_init(App $a)
  32 {
  33         if ((DI::args()->getArgc() <= 1) || (DI::args()->getArgv()[1] != 'xrd')) {
  34                 return;
  35         }
  36
  37         $baseURL = DI::baseUrl()->get();
  38
  39         $xmlString = XML::fromArray([
  40                 'XRD' => [
  41                         '@attributes' => [
  42                                 'xmlns'    => 'http://docs.oasis-open.org/ns/xri/xrd-1.0',
  43                         ],
  44                         'Subject' => $baseURL,
  45                         '1:Property' => [
  46                                 '@attributes' => [
  47                                         'type'  => 'http://www.oexchange.org/spec/0.8/prop/vendor',
  48                                 ],
  49                                 'Friendica'
  50                         ],
  51                         '2:Property' => [
  52                                 '@attributes' => [
  53                                         'type'  => 'http://www.oexchange.org/spec/0.8/prop/title',
  54                                 ],
  55                                 'Friendica Social Network'
  56                         ],
  57                         '3:Property' => [
  58                                 '@attributes' => [
  59                                         'type'  => 'http://www.oexchange.org/spec/0.8/prop/name',
  60                                 ],
  61                                 'Friendica'
  62                         ],
  63                         '4:Property' => [
  64                                 '@attributes' => [
  65                                         'type'  => 'http://www.oexchange.org/spec/0.8/prop/prompt',
  66                                 ],
  67                                 'Send to Friendica'
  68                         ],
  69                         '1:link' => [
  70                                 '@attributes' => [
  71                                         'rel'  => 'icon',
  72                                         'type' => 'image/png',
  73                                         'href' => $baseURL . '/images/friendica-16.png'
  74                                 ]
  75                         ],
  76                         '2:link' => [
  77                                 '@attributes' => [
  78                                         'rel'  => 'icon32',
  79                                         'type' => 'image/png',
  80                                         'href' => $baseURL . '/images/friendica-32.png'
  81                                 ]
  82                         ],
  83                         '3:link' => [
  84                                 '@attributes' => [
  85                                         'rel'  => 'http://www.oexchange.org/spec/0.8/rel/offer',
  86                                         'type' => 'text/html',
  87                                         'href' => $baseURL . '/oexchange'
  88                                 ]
  89                         ],
  90                 ],
  91         ]);
  92
  93         System::httpExit($xmlString, Response::TYPE_XML, 'application/xrd+xml');
  94 }
  95
  96 function oexchange_content(App $a)
  97 {
  98         if (!DI::userSession()->getLocalUserId()) {
  99                 $o = Login::form();
 100                 return $o;
 101         }
 102
 103         if ((DI::args()->getArgc() > 1) && DI::args()->getArgv()[1] === 'done') {
 104                 return;
 105         }
 106
 107         $url         = !empty($_REQUEST['url'])         ? trim($_REQUEST['url'])         : '';
 108         $title       = !empty($_REQUEST['title'])       ? trim($_REQUEST['title'])       : '';
 109         $description = !empty($_REQUEST['description']) ? trim($_REQUEST['description']) : '';
 110         $tags        = !empty($_REQUEST['tags'])        ? trim($_REQUEST['tags'])        : '';
 111
 112         $s = BBCode::embedURL($url, true, $title, $description, $tags);
 113
 114         if (!strlen($s)) {
 115                 return;
 116         }
 117
 118         $post = [];
 119
 120         $post['return'] = '/oexchange/done';
 121         $post['body'] = HTML::toBBCode($s);
 122
 123         $_REQUEST = $post;
 124         require_once 'mod/item.php';
 125         item_post($a);
 126 }