friendica/src/Module/Xrd.php

258 lines
7.0 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2010-2021, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Module;
use Friendica\BaseModule;
use Friendica\Core\Hook;
use Friendica\Core\Renderer;
use Friendica\Core\System;
use Friendica\DI;
use Friendica\Model\Contact;
use Friendica\Model\Photo;
use Friendica\Model\User;
use Friendica\Protocol\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(array $parameters = [])
{
$app = DI::app();
// @TODO: Replace with parameter from router
if ($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($local, '@'));
}
if ($name == User::getActorName()) {
$owner = User::getSystemAccount();
if (empty($owner)) {
throw new \Friendica\Network\HTTPException\NotFoundException();
}
self::printSystemJSON($owner);
} else {
$user = User::getByNickname($name);
if (empty($user)) {
throw new \Friendica\Network\HTTPException\NotFoundException();
}
$owner = User::getOwnerDataById($user['uid']);
if (empty($owner)) {
DI::logger()->warning('No owner data for user id', ['uri' => $uri, 'name' => $name, 'user' => $user]);
throw new \Friendica\Network\HTTPException\NotFoundException();
}
$alias = str_replace('/profile/', '/~', $owner['url']);
$avatar = Photo::selectFirst(['type'], ['uid' => $owner['uid'], 'profile' => true]);
}
if (empty($avatar)) {
$avatar = ['type' => 'image/jpeg'];
}
if ($mode == 'xml') {
self::printXML($alias, DI::baseUrl()->get(), $user, $owner, $avatar);
} else {
self::printJSON($alias, DI::baseUrl()->get(), $owner, $avatar);
}
}
private static function printSystemJSON(array $owner)
{
$json = [
'subject' => 'acct:' . $owner['addr'],
'aliases' => [$owner['url']],
'links' => [
[
'rel' => 'http://webfinger.net/rel/profile-page',
'type' => 'text/html',
'href' => $owner['url'],
],
[
'rel' => 'self',
'type' => 'application/activity+json',
'href' => $owner['url'],
],
[
'rel' => 'http://ostatus.org/schema/1.0/subscribe',
'template' => DI::baseUrl()->get() . '/follow?url={uri}',
],
]
];
header('Access-Control-Allow-Origin: *');
System::jsonExit($json, 'application/jrd+json; charset=utf-8');
}
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' => $avatar['type'],
'href' => Contact::getAvatarUrlForUrl($owner['url'], $owner['uid']),
],
[
'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' => Contact::getAvatarUrlForUrl($owner['url'], $owner['uid']),
'$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();
}
}