3 * @copyright Copyright (C) 2010-2022, 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\System;
27 use Friendica\Model\User;
28 use Friendica\Network\HTTPException\BadRequestException;
29 use Friendica\Util\Crypto;
30 use Friendica\Util\Strings;
33 * prints the public RSA key of a user
35 class PublicRSAKey extends BaseModule
37 protected function rawContent(array $request = [])
39 if (empty($this->parameters['nick'])) {
40 throw new BadRequestException();
43 $nick = $this->parameters['nick'];
45 $user = User::getByNickname($nick, ['spubkey']);
46 if (empty($user) || empty($user['spubkey'])) {
47 throw new BadRequestException();
50 Crypto::pemToMe($user['spubkey'], $modulus, $exponent);
52 $content = 'RSA' . '.' . Strings::base64UrlEncode($modulus, true) . '.' . Strings::base64UrlEncode($exponent, true);
53 System::httpExit($content, Response::TYPE_BLANK, 'application/magic-public-key');