<commit_before><?php
/**
 * @copyright Copyright (C) 2020, Friendica
 *
 * @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\Database\DBA;
use Friendica\DI;
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, '@'));
		}

		$user = User::getByNickname($name);

		if (empty($user)) {
			throw new \Friendica\Network\HTTPException\NotFoundException();
		}

		$owner = User::getOwnerDataById($user['uid']);

		$alias = str_replace('/profile/', '/~', $owner['url']);

		$avatar = Photo::selectFirst(['type'], ['uid' => $owner['uid'], 'profile' => true]);

		if (!DBA::isResult($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 printJSON($alias, $baseURL, $owner, $avatar)
	{<commit_msg>Add error handling in Module\Xrd<commit_after><?php
/**
 * @copyright Copyright (C) 2020, Friendica
 *
 * @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\Database\DBA;
use Friendica\DI;
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, '@'));
		}

		$user = User::getByNickname($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 (!DBA::isResult($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 printJSON($alias, $baseURL, $owner, $avatar)
	{
{'fraction_non_alphanumeric': 0.17767887709688462, 'fraction_numerical': 0.004450530640191715, 'mean_word_length': 3.8529900332225915, 'pattern_counts': {'":': 0, '<': 7, '<?xml version=': 0, '>': 21, 'https://': 2, 'lorem ipsum': 0, 'www.': 2, 'xml': 8}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '4581854', 'n_tokens_mistral': 2121, 'n_tokens_neox': 1893, 'n_words': 537}