mod/xrd.php

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