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
namespace Friendica\Module;
use Friendica\BaseModule;
use Friendica\Core\Hook;
use Friendica\Core\Renderer;
use Friendica\Database\DBA;
use Friendica\Model\Photo;
use Friendica\Model\User;
use Friendica\Protocol\Activity\ActivityNamespace;
use Friendica\Protocol\Salmon;
use Friendica\Util\Strings;
/**
* Prints responses to /.well-known/webfinger or /xrd requests
*/
class Xrd extends BaseModule
{
public static function rawContent()
{
$app = self::getApp();
// @TODO: Replace with parameter from router
if ($app->argv[0] == 'xrd') {
if (empty($_GET['uri'])) {
return;
}
$uri = urldecode(Strings::escapeTags(trim($_GET['uri'])));
if (($_SERVER['HTTP_ACCEPT'] ?? '') == 'application/jrd+json') {
$mode = 'json';
} else {
$mode = 'xml';
}
} else {
if (empty($_GET['resource'])) {
return;
}
$uri = urldecode(Strings::escapeTags(trim($_GET['resource'])));
if (($_SERVER['HTTP_ACCEPT'] ?? '') == 'application/xrd+xml') {
$mode = 'xml';
} else {
$mode = 'json';
}
}
if (substr($uri, 0, 4) === 'http') {
$name = ltrim(basename($uri), '~');
} else {
$local = str_replace('acct:', '', $uri);
if (substr($local, 0, 2) == '//') {
$local = substr($local, 2);
}
$name = substr($local, 0, strpos($local, '@'));
}
$user = User::getByNickname($name);
if (empty($user)) {
throw new \Friendica\Network\HTTPException\NotFoundException();
}
$owner = User::getOwnerDataById($user['uid']);
$alias = str_replace('/profile/', '/~', $owner['url']);
$avatar = Photo::selectFirst(['type'], ['uid' => $owner['uid'], 'profile' => true]);
if (!DBA::isResult($avatar)) {
$avatar = ['type' => 'image/jpeg'];
}
if ($mode == 'xml') {
self::printXML($alias, $app->getBaseURL(), $user, $owner, $avatar);
} else {
self::printJSON($alias, $app->getBaseURL(), $owner, $avatar);
}
}
private static function printJSON($alias, $baseURL, $owner, $avatar)
{
$salmon_key = Salmon::salmonKey($owner['spubkey']);
header('Access-Control-Allow-Origin: *');
header('Content-type: application/json; charset=utf-8');
$json = [
'subject' => 'acct:' . $owner['addr'],
'aliases' => [
$alias,
$owner['url'],
],
'links' => [
[
'rel' => ActivityNamespace::DFRN ,
'href' => $owner['url'],
],
[
'rel' => ActivityNamespace::FEED,
'type' => 'application/atom+xml',
'href' => $owner['poll'],
],
[
'rel' => 'http://webfinger.net/rel/profile-page',
'type' => 'text/html',
'href' => $owner['url'],
],
[
'rel' => 'self',
'type' => 'application/activity+json',
'href' => $owner['url'],
],
[
'rel' => 'http://microformats.org/profile/hcard',
'type' => 'text/html',
'href' => $baseURL . '/hcard/' . $owner['nickname'],
],
[
'rel' => ActivityNamespace::POCO,
'href' => $owner['poco'],
],
[
'rel' => 'http://webfinger.net/rel/avatar',
'type' => $avatar['type'],
'href' => $owner['photo'],
],
[
'rel' => 'http://joindiaspora.com/seed_location',
'type' => 'text/html',
'href' => $baseURL,
],
[
'rel' => 'salmon',
'href' => $baseURL . '/salmon/' . $owner['nickname'],
],
[
'rel' => 'http://salmon-protocol.org/ns/salmon-replies',
'href' => $baseURL . '/salmon/' . $owner['nickname'],
],
[
'rel' => 'http://salmon-protocol.org/ns/salmon-mention',
'href' => $baseURL . '/salmon/' . $owner['nickname'] . '/mention',
],
[
'rel' => 'http://ostatus.org/schema/1.0/subscribe',
'template' => $baseURL . '/follow?url={uri}',
],
[
'rel' => 'magic-public-key',
'href' => 'data:application/magic-public-key,' . $salmon_key,
],
[
'rel' => 'http://purl.org/openwebauth/v1',
'type' => 'application/x-zot+json',
'href' => $baseURL . '/owa',
],
],
];
echo json_encode($json);
exit();
}
private static function printXML($alias, $baseURL, $user, $owner, $avatar)
{
$salmon_key = Salmon::salmonKey($owner['spubkey']);
header('Access-Control-Allow-Origin: *');
header('Content-type: text/xml');
$tpl = Renderer::getMarkupTemplate('xrd_person.tpl');
$o = Renderer::replaceMacros($tpl, [
'$nick' => $owner['nickname'],
'$accturi' => 'acct:' . $owner['addr'],
'$alias' => $alias,
'$profile_url' => $owner['url'],
'$hcard_url' => $baseURL . '/hcard/' . $owner['nickname'],
'$atom' => $owner['poll'],
'$poco_url' => $owner['poco'],
'$photo' => $owner['photo'],
'$type' => $avatar['type'],
'$salmon' => $baseURL . '/salmon/' . $owner['nickname'],
'$salmen' => $baseURL . '/salmon/' . $owner['nickname'] . '/mention',
'$subscribe' => $baseURL . '/follow?url={uri}',
'$openwebauth' => $baseURL . '/owa',
'$modexp' => 'data:application/magic-public-key,' . $salmon_key
]);
$arr = ['user' => $user, 'xml' => $o];
Hook::callAll('personal_xrd', $arr);
echo $arr['xml'];
exit();
}
}