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;
29 use Friendica\Model\Photo;
30 use Friendica\Model\User;
31 use Friendica\Protocol\ActivityNamespace;
32 use Friendica\Protocol\Salmon;
35 * Prints responses to /.well-known/webfinger or /xrd requests
37 class Xrd extends BaseModule
39 public function rawContent()
41 // @TODO: Replace with parameter from router
42 if (DI::args()->getArgv()[0] == 'xrd') {
43 if (empty($_GET['uri'])) {
47 $uri = urldecode(trim($_GET['uri']));
48 if (strpos($_SERVER['HTTP_ACCEPT'] ?? '', 'application/jrd+json') !== false) {
54 if (empty($_GET['resource'])) {
58 $uri = urldecode(trim($_GET['resource']));
59 if (strpos($_SERVER['HTTP_ACCEPT'] ?? '', 'application/xrd+xml') !== false) {
66 if (substr($uri, 0, 4) === 'http') {
67 $name = ltrim(basename($uri), '~');
69 $local = str_replace('acct:', '', $uri);
70 if (substr($local, 0, 2) == '//') {
71 $local = substr($local, 2);
74 $name = substr($local, 0, strpos($local, '@'));
77 if ($name == User::getActorName()) {
78 $owner = User::getSystemAccount();
80 throw new \Friendica\Network\HTTPException\NotFoundException();
82 self::printSystemJSON($owner);
84 $user = User::getByNickname($name);
86 throw new \Friendica\Network\HTTPException\NotFoundException();
89 $owner = User::getOwnerDataById($user['uid']);
91 DI::logger()->warning('No owner data for user id', ['uri' => $uri, 'name' => $name, 'user' => $user]);
92 throw new \Friendica\Network\HTTPException\NotFoundException();
95 $alias = str_replace('/profile/', '/~', $owner['url']);
97 $avatar = Photo::selectFirst(['type'], ['uid' => $owner['uid'], 'profile' => true]);
100 if (empty($avatar)) {
101 $avatar = ['type' => 'image/jpeg'];
104 if ($mode == 'xml') {
105 self::printXML($alias, DI::baseUrl()->get(), $user, $owner, $avatar);
107 self::printJSON($alias, DI::baseUrl()->get(), $owner, $avatar);
111 private static function printSystemJSON(array $owner)
114 'subject' => 'acct:' . $owner['addr'],
115 'aliases' => [$owner['url']],
118 'rel' => 'http://webfinger.net/rel/profile-page',
119 'type' => 'text/html',
120 'href' => $owner['url'],
124 'type' => 'application/activity+json',
125 'href' => $owner['url'],
128 'rel' => 'http://ostatus.org/schema/1.0/subscribe',
129 'template' => DI::baseUrl()->get() . '/follow?url={uri}',
132 'rel' => ActivityNamespace::FEED,
133 'type' => 'application/atom+xml',
134 'href' => $owner['poll'] ?? DI::baseUrl()->get(),
138 'href' => DI::baseUrl()->get() . '/salmon/' . $owner['nickname'],
141 'rel' => 'http://microformats.org/profile/hcard',
142 'type' => 'text/html',
143 'href' => DI::baseUrl()->get() . '/hcard/' . $owner['nickname'],
146 'rel' => 'http://joindiaspora.com/seed_location',
147 'type' => 'text/html',
148 'href' => DI::baseUrl()->get(),
152 header('Access-Control-Allow-Origin: *');
153 System::jsonExit($json, 'application/jrd+json; charset=utf-8');
156 private static function printJSON($alias, $baseURL, $owner, $avatar)
158 $salmon_key = Salmon::salmonKey($owner['spubkey']);
161 'subject' => 'acct:' . $owner['addr'],
168 'rel' => ActivityNamespace::DFRN ,
169 'href' => $owner['url'],
172 'rel' => ActivityNamespace::FEED,
173 'type' => 'application/atom+xml',
174 'href' => $owner['poll'],
177 'rel' => 'http://webfinger.net/rel/profile-page',
178 'type' => 'text/html',
179 'href' => $owner['url'],
183 'type' => 'application/activity+json',
184 'href' => $owner['url'],
187 'rel' => 'http://microformats.org/profile/hcard',
188 'type' => 'text/html',
189 'href' => $baseURL . '/hcard/' . $owner['nickname'],
192 'rel' => ActivityNamespace::POCO,
193 'href' => $owner['poco'],
196 'rel' => 'http://webfinger.net/rel/avatar',
197 'type' => $avatar['type'],
198 'href' => User::getAvatarUrl($owner),
201 'rel' => 'http://joindiaspora.com/seed_location',
202 'type' => 'text/html',
207 'href' => $baseURL . '/salmon/' . $owner['nickname'],
210 'rel' => 'http://salmon-protocol.org/ns/salmon-replies',
211 'href' => $baseURL . '/salmon/' . $owner['nickname'],
214 'rel' => 'http://salmon-protocol.org/ns/salmon-mention',
215 'href' => $baseURL . '/salmon/' . $owner['nickname'] . '/mention',
218 'rel' => 'http://ostatus.org/schema/1.0/subscribe',
219 'template' => $baseURL . '/follow?url={uri}',
222 'rel' => 'magic-public-key',
223 'href' => 'data:application/magic-public-key,' . $salmon_key,
226 'rel' => 'http://purl.org/openwebauth/v1',
227 'type' => 'application/x-zot+json',
228 'href' => $baseURL . '/owa',
233 header('Access-Control-Allow-Origin: *');
234 System::jsonExit($json, 'application/jrd+json; charset=utf-8');
237 private static function printXML($alias, $baseURL, $user, $owner, $avatar)
239 $salmon_key = Salmon::salmonKey($owner['spubkey']);
241 header('Access-Control-Allow-Origin: *');
242 header('Content-type: text/xml');
244 $tpl = Renderer::getMarkupTemplate('xrd_person.tpl');
246 $o = Renderer::replaceMacros($tpl, [
247 '$nick' => $owner['nickname'],
248 '$accturi' => 'acct:' . $owner['addr'],
250 '$profile_url' => $owner['url'],
251 '$hcard_url' => $baseURL . '/hcard/' . $owner['nickname'],
252 '$atom' => $owner['poll'],
253 '$poco_url' => $owner['poco'],
254 '$photo' => User::getAvatarUrl($owner),
255 '$type' => $avatar['type'],
256 '$salmon' => $baseURL . '/salmon/' . $owner['nickname'],
257 '$salmen' => $baseURL . '/salmon/' . $owner['nickname'] . '/mention',
258 '$subscribe' => $baseURL . '/follow?url={uri}',
259 '$openwebauth' => $baseURL . '/owa',
260 '$modexp' => 'data:application/magic-public-key,' . $salmon_key
263 $arr = ['user' => $user, 'xml' => $o];
264 Hook::callAll('personal_xrd', $arr);