3 * @copyright Copyright (C) 2010-2021, the Friendica project
5 * @license GNU AGPL version 3 or any later version
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.
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.
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/>.
22 namespace Friendica\Module;
24 use Friendica\BaseModule;
25 use Friendica\Core\Hook;
26 use Friendica\Core\Renderer;
27 use Friendica\Core\System;
28 use Friendica\Database\DBA;
30 use Friendica\Model\Photo;
31 use Friendica\Model\User;
32 use Friendica\Protocol\ActivityNamespace;
33 use Friendica\Protocol\Salmon;
34 use Friendica\Util\Strings;
37 * Prints responses to /.well-known/webfinger or /xrd requests
39 class Xrd extends BaseModule
41 public static function rawContent(array $parameters = [])
45 // @TODO: Replace with parameter from router
46 if ($app->argv[0] == 'xrd') {
47 if (empty($_GET['uri'])) {
51 $uri = urldecode(Strings::escapeTags(trim($_GET['uri'])));
52 if (($_SERVER['HTTP_ACCEPT'] ?? '') == 'application/jrd+json') {
58 if (empty($_GET['resource'])) {
62 $uri = urldecode(Strings::escapeTags(trim($_GET['resource'])));
63 if (($_SERVER['HTTP_ACCEPT'] ?? '') == 'application/xrd+xml') {
70 if (substr($uri, 0, 4) === 'http') {
71 $name = ltrim(basename($uri), '~');
73 $local = str_replace('acct:', '', $uri);
74 if (substr($local, 0, 2) == '//') {
75 $local = substr($local, 2);
78 $name = substr($local, 0, strpos($local, '@'));
81 if ($name == User::getActorName()) {
82 $owner = User::getSystemAccount();
84 throw new \Friendica\Network\HTTPException\NotFoundException();
86 self::printSystemJSON($owner);
88 $user = User::getByNickname($name);
90 throw new \Friendica\Network\HTTPException\NotFoundException();
93 $owner = User::getOwnerDataById($user['uid']);
95 DI::logger()->warning('No owner data for user id', ['uri' => $uri, 'name' => $name, 'user' => $user]);
96 throw new \Friendica\Network\HTTPException\NotFoundException();
99 $alias = str_replace('/profile/', '/~', $owner['url']);
101 $avatar = Photo::selectFirst(['type'], ['uid' => $owner['uid'], 'profile' => true]);
104 if (empty($avatar)) {
105 $avatar = ['type' => 'image/jpeg'];
108 if ($mode == 'xml') {
109 self::printXML($alias, DI::baseUrl()->get(), $user, $owner, $avatar);
111 self::printJSON($alias, DI::baseUrl()->get(), $owner, $avatar);
115 private static function printSystemJSON(array $owner)
118 'subject' => 'acct:' . $owner['addr'],
119 'aliases' => [$owner['url']],
122 'rel' => 'http://webfinger.net/rel/profile-page',
123 'type' => 'text/html',
124 'href' => $owner['url'],
128 'type' => 'application/activity+json',
129 'href' => $owner['url'],
132 'rel' => 'http://ostatus.org/schema/1.0/subscribe',
133 'template' => DI::baseUrl()->get() . '/follow?url={uri}',
137 header('Access-Control-Allow-Origin: *');
138 System::jsonExit($json, 'application/jrd+json; charset=utf-8');
141 private static function printJSON($alias, $baseURL, $owner, $avatar)
143 $salmon_key = Salmon::salmonKey($owner['spubkey']);
145 header('Access-Control-Allow-Origin: *');
146 header('Content-type: application/json; charset=utf-8');
149 'subject' => 'acct:' . $owner['addr'],
156 'rel' => ActivityNamespace::DFRN ,
157 'href' => $owner['url'],
160 'rel' => ActivityNamespace::FEED,
161 'type' => 'application/atom+xml',
162 'href' => $owner['poll'],
165 'rel' => 'http://webfinger.net/rel/profile-page',
166 'type' => 'text/html',
167 'href' => $owner['url'],
171 'type' => 'application/activity+json',
172 'href' => $owner['url'],
175 'rel' => 'http://microformats.org/profile/hcard',
176 'type' => 'text/html',
177 'href' => $baseURL . '/hcard/' . $owner['nickname'],
180 'rel' => ActivityNamespace::POCO,
181 'href' => $owner['poco'],
184 'rel' => 'http://webfinger.net/rel/avatar',
185 'type' => $avatar['type'],
186 'href' => $owner['photo'],
189 'rel' => 'http://joindiaspora.com/seed_location',
190 'type' => 'text/html',
195 'href' => $baseURL . '/salmon/' . $owner['nickname'],
198 'rel' => 'http://salmon-protocol.org/ns/salmon-replies',
199 'href' => $baseURL . '/salmon/' . $owner['nickname'],
202 'rel' => 'http://salmon-protocol.org/ns/salmon-mention',
203 'href' => $baseURL . '/salmon/' . $owner['nickname'] . '/mention',
206 'rel' => 'http://ostatus.org/schema/1.0/subscribe',
207 'template' => $baseURL . '/follow?url={uri}',
210 'rel' => 'magic-public-key',
211 'href' => 'data:application/magic-public-key,' . $salmon_key,
214 'rel' => 'http://purl.org/openwebauth/v1',
215 'type' => 'application/x-zot+json',
216 'href' => $baseURL . '/owa',
221 echo json_encode($json);
225 private static function printXML($alias, $baseURL, $user, $owner, $avatar)
227 $salmon_key = Salmon::salmonKey($owner['spubkey']);
229 header('Access-Control-Allow-Origin: *');
230 header('Content-type: text/xml');
232 $tpl = Renderer::getMarkupTemplate('xrd_person.tpl');
234 $o = Renderer::replaceMacros($tpl, [
235 '$nick' => $owner['nickname'],
236 '$accturi' => 'acct:' . $owner['addr'],
238 '$profile_url' => $owner['url'],
239 '$hcard_url' => $baseURL . '/hcard/' . $owner['nickname'],
240 '$atom' => $owner['poll'],
241 '$poco_url' => $owner['poco'],
242 '$photo' => $owner['photo'],
243 '$type' => $avatar['type'],
244 '$salmon' => $baseURL . '/salmon/' . $owner['nickname'],
245 '$salmen' => $baseURL . '/salmon/' . $owner['nickname'] . '/mention',
246 '$subscribe' => $baseURL . '/follow?url={uri}',
247 '$openwebauth' => $baseURL . '/owa',
248 '$modexp' => 'data:application/magic-public-key,' . $salmon_key
251 $arr = ['user' => $user, 'xml' => $o];
252 Hook::callAll('personal_xrd', $arr);