mod/xrd.php

   1 <?php
   2 /**
   3  * @file mod/xrd.php
   4  */
   5 use Friendica\App;
   6 use Friendica\Core\System;
   7 use Friendica\Database\DBM;
   8 use Friendica\Protocol\Salmon;
   9
  10 function xrd_init(App $a)
  11 {
  12         if ($a->argv[0] == 'xrd') {
  13                 $uri = urldecode(notags(trim($_GET['uri'])));
  14                 if ($_SERVER['HTTP_ACCEPT'] == 'application/jrd+json') {
  15                         $mode = 'json';
  16                 } else {
  17                         $mode = 'xml';
  18                 }
  19         } else {
  20                 $uri = urldecode(notags(trim($_GET['resource'])));
  21                 if ($_SERVER['HTTP_ACCEPT'] == 'application/xrd+xml') {
  22                         $mode = 'xml';
  23                 } else {
  24                         $mode = 'json';
  25                 }
  26         }
  27
  28         if (substr($uri, 0, 4) === 'http') {
  29                 $name = ltrim(basename($uri), '~');
  30         } else {
  31                 $local = str_replace('acct:', '', $uri);
  32                 if (substr($local, 0, 2) == '//')
  33                         $local = substr($local, 2);
  34
  35                 $name = substr($local, 0, strpos($local, '@'));
  36         }
  37
  38         $r = dba::select('user', array(), array('nickname' => $name), array('limit' => 1));
  39         if (!DBM::is_result($r)) {
  40                 killme();
  41         }
  42
  43         $profile_url = System::baseUrl().'/profile/'.$r['nickname'];
  44
  45         $alias = str_replace('/profile/', '/~', $profile_url);
  46
  47         $addr = 'acct:'.$r['nickname'].'@'.$a->get_hostname();
  48         if ($a->get_path()) {
  49                 $addr .= '/'.$a->get_path();
  50         }
  51
  52         if ($mode == 'xml') {
  53                 xrd_xml($a, $addr, $alias, $profile_url, $r);
  54         } else {
  55                 xrd_json($a, $addr, $alias, $profile_url, $r);
  56         }
  57 }
  58
  59 function xrd_json($a, $uri, $alias, $profile_url, $r)
  60 {
  61         $salmon_key = Salmon::salmonKey($r['spubkey']);
  62
  63         header('Access-Control-Allow-Origin: *');
  64         header("Content-type: application/json; charset=utf-8");
  65
  66         $json = array('subject' => $uri,
  67                         'aliases' => array($alias, $profile_url),
  68                         'links' => array(array('rel' => NAMESPACE_DFRN, 'href' => $profile_url),
  69                                         array('rel' => NAMESPACE_FEED, 'type' => 'application/atom+xml', 'href' => System::baseUrl().'/dfrn_poll/'.$r['nickname']),
  70                                         array('rel' => 'http://webfinger.net/rel/profile-page', 'type' => 'text/html', 'href' => $profile_url),
  71                                         array('rel' => 'http://microformats.org/profile/hcard', 'type' => 'text/html', 'href' => System::baseUrl().'/hcard/'.$r['nickname']),
  72                                         array('rel' => NAMESPACE_POCO, 'href' => System::baseUrl().'/poco/'.$r['nickname']),
  73                                         array('rel' => 'http://webfinger.net/rel/avatar', 'type' => 'image/jpeg', 'href' => System::baseUrl().'/photo/profile/'.$r['uid'].'.jpg'),
  74                                         array('rel' => 'http://joindiaspora.com/seed_location', 'type' => 'text/html', 'href' => System::baseUrl()),
  75                                         array('rel' => 'salmon', 'href' => System::baseUrl().'/salmon/'.$r['nickname']),
  76                                         array('rel' => 'http://salmon-protocol.org/ns/salmon-replies', 'href' => System::baseUrl().'/salmon/'.$r['nickname']),
  77                                         array('rel' => 'http://salmon-protocol.org/ns/salmon-mention', 'href' => System::baseUrl().'/salmon/'.$r['nickname'].'/mention'),
  78                                         array('rel' => 'http://ostatus.org/schema/1.0/subscribe', 'template' => System::baseUrl().'/follow?url={uri}'),
  79                                         array('rel' => 'magic-public-key', 'href' => 'data:application/magic-public-key,'.$salmon_key)
  80         ));
  81         echo json_encode($json);
  82         killme();
  83 }
  84
  85 function xrd_xml($a, $uri, $alias, $profile_url, $r)
  86 {
  87         $salmon_key = Salmon::salmonKey($r['spubkey']);
  88
  89         header('Access-Control-Allow-Origin: *');
  90         header("Content-type: text/xml");
  91
  92         $tpl = get_markup_template('xrd_person.tpl');
  93
  94         $o = replace_macros($tpl, array(
  95                 '$nick'        => $r['nickname'],
  96                 '$accturi'     => $uri,
  97                 '$alias'       => $alias,
  98                 '$profile_url' => $profile_url,
  99                 '$hcard_url'   => System::baseUrl() . '/hcard/'         . $r['nickname'],
 100                 '$atom'        => System::baseUrl() . '/dfrn_poll/'     . $r['nickname'],
 101                 '$poco_url'    => System::baseUrl() . '/poco/'          . $r['nickname'],
 102                 '$photo'       => System::baseUrl() . '/photo/profile/' . $r['uid']      . '.jpg',
 103                 '$baseurl' => System::baseUrl(),
 104                 '$salmon'      => System::baseUrl() . '/salmon/'        . $r['nickname'],
 105                 '$salmen'      => System::baseUrl() . '/salmon/'        . $r['nickname'] . '/mention',
 106                 '$subscribe'   => System::baseUrl() . '/follow?url={uri}',
 107                 '$modexp'      => 'data:application/magic-public-key,'  . $salmon_key)
 108         );
 109
 110         $arr = array('user' => $r, 'xml' => $o);
 111         call_hooks('personal_xrd', $arr);
 112
 113         echo $arr['xml'];
 114         killme();
 115 }