269 lines
7.3 KiB
PHP
269 lines
7.3 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2022, the Friendica project
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Module;
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use Friendica\BaseModule;
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use Friendica\Core\Hook;
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use Friendica\Core\Renderer;
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use Friendica\Core\System;
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use Friendica\DI;
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use Friendica\Model\Photo;
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use Friendica\Model\User;
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use Friendica\Protocol\ActivityNamespace;
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use Friendica\Protocol\Salmon;
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/**
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* Prints responses to /.well-known/webfinger or /xrd requests
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*/
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class Xrd extends BaseModule
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{
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protected function rawContent(array $request = [])
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{
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// @TODO: Replace with parameter from router
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if (DI::args()->getArgv()[0] == 'xrd') {
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if (empty($_GET['uri'])) {
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return;
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}
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$uri = urldecode(trim($_GET['uri']));
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if (strpos($_SERVER['HTTP_ACCEPT'] ?? '', 'application/jrd+json') !== false) {
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$mode = 'json';
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} else {
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$mode = 'xml';
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}
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} else {
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if (empty($_GET['resource'])) {
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return;
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}
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$uri = urldecode(trim($_GET['resource']));
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if (strpos($_SERVER['HTTP_ACCEPT'] ?? '', 'application/xrd+xml') !== false) {
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$mode = 'xml';
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} else {
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$mode = 'json';
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}
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}
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if (substr($uri, 0, 4) === 'http') {
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$name = ltrim(basename($uri), '~');
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} else {
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$local = str_replace('acct:', '', $uri);
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if (substr($local, 0, 2) == '//') {
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$local = substr($local, 2);
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}
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$name = substr($local, 0, strpos($local, '@'));
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}
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if ($name == User::getActorName()) {
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$owner = User::getSystemAccount();
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if (empty($owner)) {
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throw new \Friendica\Network\HTTPException\NotFoundException();
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}
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self::printSystemJSON($owner);
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} else {
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$user = User::getByNickname($name);
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if (empty($user)) {
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throw new \Friendica\Network\HTTPException\NotFoundException();
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}
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$owner = User::getOwnerDataById($user['uid']);
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if (empty($owner)) {
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DI::logger()->warning('No owner data for user id', ['uri' => $uri, 'name' => $name, 'user' => $user]);
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throw new \Friendica\Network\HTTPException\NotFoundException();
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}
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$alias = str_replace('/profile/', '/~', $owner['url']);
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$avatar = Photo::selectFirst(['type'], ['uid' => $owner['uid'], 'profile' => true]);
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}
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if (empty($avatar)) {
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$avatar = ['type' => 'image/jpeg'];
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}
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if ($mode == 'xml') {
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self::printXML($alias, DI::baseUrl()->get(), $user, $owner, $avatar);
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} else {
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self::printJSON($alias, DI::baseUrl()->get(), $owner, $avatar);
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}
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}
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private static function printSystemJSON(array $owner)
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{
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$json = [
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'subject' => 'acct:' . $owner['addr'],
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'aliases' => [$owner['url']],
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'links' => [
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[
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'rel' => 'http://webfinger.net/rel/profile-page',
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'type' => 'text/html',
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'href' => $owner['url'],
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],
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[
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'rel' => 'self',
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'type' => 'application/activity+json',
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'href' => $owner['url'],
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],
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[
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'rel' => 'http://ostatus.org/schema/1.0/subscribe',
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'template' => DI::baseUrl()->get() . '/follow?url={uri}',
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],
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[
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'rel' => ActivityNamespace::FEED,
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'type' => 'application/atom+xml',
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'href' => $owner['poll'] ?? DI::baseUrl()->get(),
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],
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[
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'rel' => 'salmon',
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'href' => DI::baseUrl()->get() . '/salmon/' . $owner['nickname'],
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],
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[
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'rel' => 'http://microformats.org/profile/hcard',
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'type' => 'text/html',
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'href' => DI::baseUrl()->get() . '/hcard/' . $owner['nickname'],
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],
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[
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'rel' => 'http://joindiaspora.com/seed_location',
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'type' => 'text/html',
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'href' => DI::baseUrl()->get(),
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],
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]
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];
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header('Access-Control-Allow-Origin: *');
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System::jsonExit($json, 'application/jrd+json; charset=utf-8');
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}
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private static function printJSON($alias, $baseURL, $owner, $avatar)
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{
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$salmon_key = Salmon::salmonKey($owner['spubkey']);
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$json = [
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'subject' => 'acct:' . $owner['addr'],
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'aliases' => [
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$alias,
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$owner['url'],
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],
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'links' => [
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[
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'rel' => ActivityNamespace::DFRN ,
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'href' => $owner['url'],
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],
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[
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'rel' => ActivityNamespace::FEED,
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'type' => 'application/atom+xml',
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'href' => $owner['poll'],
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],
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[
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'rel' => 'http://webfinger.net/rel/profile-page',
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'type' => 'text/html',
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'href' => $owner['url'],
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],
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[
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'rel' => 'self',
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'type' => 'application/activity+json',
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'href' => $owner['url'],
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],
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[
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'rel' => 'http://microformats.org/profile/hcard',
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'type' => 'text/html',
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'href' => $baseURL . '/hcard/' . $owner['nickname'],
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],
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[
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'rel' => ActivityNamespace::POCO,
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'href' => $owner['poco'],
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],
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[
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'rel' => 'http://webfinger.net/rel/avatar',
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'type' => $avatar['type'],
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'href' => User::getAvatarUrl($owner),
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],
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[
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'rel' => 'http://joindiaspora.com/seed_location',
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'type' => 'text/html',
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'href' => $baseURL,
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],
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[
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'rel' => 'salmon',
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'href' => $baseURL . '/salmon/' . $owner['nickname'],
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],
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[
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'rel' => 'http://salmon-protocol.org/ns/salmon-replies',
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'href' => $baseURL . '/salmon/' . $owner['nickname'],
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],
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[
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'rel' => 'http://salmon-protocol.org/ns/salmon-mention',
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'href' => $baseURL . '/salmon/' . $owner['nickname'] . '/mention',
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],
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[
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'rel' => 'http://ostatus.org/schema/1.0/subscribe',
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'template' => $baseURL . '/follow?url={uri}',
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],
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[
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'rel' => 'magic-public-key',
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'href' => 'data:application/magic-public-key,' . $salmon_key,
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],
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[
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'rel' => 'http://purl.org/openwebauth/v1',
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'type' => 'application/x-zot+json',
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'href' => $baseURL . '/owa',
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],
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],
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];
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header('Access-Control-Allow-Origin: *');
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System::jsonExit($json, 'application/jrd+json; charset=utf-8');
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}
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private static function printXML($alias, $baseURL, $user, $owner, $avatar)
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{
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$salmon_key = Salmon::salmonKey($owner['spubkey']);
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header('Access-Control-Allow-Origin: *');
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header('Content-type: text/xml');
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$tpl = Renderer::getMarkupTemplate('xrd_person.tpl');
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$o = Renderer::replaceMacros($tpl, [
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'$nick' => $owner['nickname'],
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'$accturi' => 'acct:' . $owner['addr'],
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'$alias' => $alias,
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'$profile_url' => $owner['url'],
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'$hcard_url' => $baseURL . '/hcard/' . $owner['nickname'],
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'$atom' => $owner['poll'],
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'$poco_url' => $owner['poco'],
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'$photo' => User::getAvatarUrl($owner),
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'$type' => $avatar['type'],
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'$salmon' => $baseURL . '/salmon/' . $owner['nickname'],
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'$salmen' => $baseURL . '/salmon/' . $owner['nickname'] . '/mention',
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'$subscribe' => $baseURL . '/follow?url={uri}',
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'$openwebauth' => $baseURL . '/owa',
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'$modexp' => 'data:application/magic-public-key,' . $salmon_key
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]);
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$arr = ['user' => $user, 'xml' => $o];
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Hook::callAll('personal_xrd', $arr);
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echo $arr['xml'];
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exit();
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}
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}
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