Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
use Friendica\App;
use Friendica\Core\System;
require_once('include/crypto.php');
function xrd_init(App $a) {
if ($a->argv[0] == 'xrd') {
$uri = urldecode(notags(trim($_GET['uri'])));
if ($_SERVER['HTTP_ACCEPT'] == 'application/jrd+json') {
$mode = 'json';
} else {
$mode = 'xml';
}
} else {
$uri = urldecode(notags(trim($_GET['resource'])));
if ($_SERVER['HTTP_ACCEPT'] == 'application/xrd+xml') {
$mode = 'xml';
} else {
$mode = 'json';
}
}
if(substr($uri,0,4) === 'http') {
$acct = false;
$name = basename($uri);
} else {
$acct = true;
$local = str_replace('acct:', '', $uri);
if(substr($local,0,2) == '//')
$local = substr($local, 2);
$name = substr($local, 0, strpos($local,'@'));
}
$r = dba::select('user', array(), array('nickname' => $name), array('limit' => 1));
if (!dbm::is_result($r)) {
killme();
}
$profile_url = System::baseUrl().'/profile/'.$r['nickname'];
if ($acct) {
$alias = $profile_url;
} else {
$alias = 'acct:'.$r['nickname'].'@'.$a->get_hostname();
if ($a->get_path()) {
$alias .= '/'.$a->get_path();
}
}
if ($mode == 'xml') {
xrd_xml($a, $uri, $alias, $profile_url, $r);
} else {
xrd_json($a, $uri, $alias, $profile_url, $r);
}
}
function xrd_json($a, $uri, $alias, $profile_url, $r) {
$salmon_key = salmon_key($r['spubkey']);
header('Access-Control-Allow-Origin: *');
header("Content-type: application/json; charset=utf-8");
$json = array('subject' => $uri,
'aliases' => array($alias),
'links' => array(array('rel' => NAMESPACE_DFRN, 'href' => $profile_url),
array('rel' => NAMESPACE_FEED, 'type' => 'application/atom+xml', 'href' => System::baseUrl().'/dfrn_poll/'.$r['nickname']),
array('rel' => 'http://webfinger.net/rel/profile-page', 'type' => 'text/html', 'href' => $profile_url),
array('rel' => 'http://microformats.org/profile/hcard', 'type' => 'text/html', 'href' => System::baseUrl().'/hcard/'.$r['nickname']),
array('rel' => NAMESPACE_POCO, 'href' => System::baseUrl().'/poco/'.$r['nickname']),
array('rel' => 'http://webfinger.net/rel/avatar', 'type' => 'image/jpeg', 'href' => System::baseUrl().'/photo/profile/'.$r['uid'].'.jpg'),
array('rel' => 'http://joindiaspora.com/seed_location', 'type' => 'text/html', 'href' => System::baseUrl()),
array('rel' => 'salmon', 'href' => System::baseUrl().'/salmon/'.$r['nickname']),
array('rel' => 'http://salmon-protocol.org/ns/salmon-replies', 'href' => System::baseUrl().'/salmon/'.$r['nickname']),
array('rel' => 'http://salmon-protocol.org/ns/salmon-mention', 'href' => System::baseUrl().'/salmon/'.$r['nickname'].'/mention'),
array('rel' => 'http://ostatus.org/schema/1.0/subscribe', 'template' => System::baseUrl().'/follow?url={uri}'),
array('rel' => 'magic-public-key', 'href' => 'data:application/magic-public-key,'.$salmon_key)
));
echo json_encode($json);
killme();
}
function xrd_xml($a, $uri, $alias, $profile_url, $r) {
$salmon_key = salmon_key($r['spubkey']);
header('Access-Control-Allow-Origin: *');
header("Content-type: text/xml");
$tpl = get_markup_template('xrd_person.tpl');
$o = replace_macros($tpl, array(
'$nick' => $r['nickname'],
'$accturi' => $uri,
'$alias' => $alias,
'$profile_url' => $profile_url,
'$hcard_url' => System::baseUrl() . '/hcard/' . $r['nickname'],
'$atom' => System::baseUrl() . '/dfrn_poll/' . $r['nickname'],
'$zot_post' => System::baseUrl() . '/post/' . $r['nickname'],
'$poco_url' => System::baseUrl() . '/poco/' . $r['nickname'],
'$photo' => System::baseUrl() . '/photo/profile/' . $r['uid'] . '.jpg',
'$baseurl' => System::baseUrl(),
'$salmon' => System::baseUrl() . '/salmon/' . $r['nickname'],
'$salmen' => System::baseUrl() . '/salmon/' . $r['nickname'] . '/mention',
'$subscribe' => System::baseUrl() . '/follow?url={uri}',
'$modexp' => 'data:application/magic-public-key,' . $salmon_key,
));
$arr = array('user' => $r, 'xml' => $o);
call_hooks('personal_xrd', $arr);
echo $arr['xml'];
killme();
}