77 строки
2.1 KiB
PHP
77 строки
2.1 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2021 Robin Appelman <robin@icewind.nl>
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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 <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCA\NotifyPush;
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use OCP\AppFramework\Http\ContentSecurityPolicy;
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use OCP\EventDispatcher\Event;
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use OCP\EventDispatcher\IEventListener;
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use OCP\IConfig;
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use OCP\Security\CSP\AddContentSecurityPolicyEvent;
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use Psr\Log\LoggerInterface;
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/**
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* @implements IEventListener<AddContentSecurityPolicyEvent>
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*/
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class CSPListener implements IEventListener {
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private $config;
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private $logger;
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public function __construct(IConfig $config, LoggerInterface $logger) {
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$this->config = $config;
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$this->logger = $logger;
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}
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public function handle(Event $event): void {
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if (!($event instanceof AddContentSecurityPolicyEvent)) {
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return;
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}
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$csp = new ContentSecurityPolicy();
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$baseEndpoint = $this->config->getAppValue('notify_push', 'base_endpoint');
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if (!$baseEndpoint) {
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return;
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}
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$endPointUrl = parse_url($baseEndpoint);
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if (!isset($endPointUrl['host'])) {
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$this->logger->warning("Malformed push server configured: " . $baseEndpoint);
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return;
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}
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$connect = $endPointUrl['host'];
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if (isset($endPointUrl['port'])) {
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$connect .= ':'. $endPointUrl['port'];
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}
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if (isset($endPointUrl['scheme']) && $endPointUrl['scheme'] === 'https') {
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$connect = 'wss://' . $connect;
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} else {
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$connect = 'ws://' . $connect;
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}
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$csp->addAllowedConnectDomain($connect);
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$event->addPolicy($csp);
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}
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}
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