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<?php |
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declare(strict_types=1); |
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/* |
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* @copyright 2021 Christoph Wurst <[email protected]> |
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* |
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* @author 2021 Christoph Wurst <[email protected]> |
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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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namespace OCA\Sentry\Listener; |
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use OCA\Sentry\Config; |
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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\Security\CSP\AddContentSecurityPolicyEvent; |
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use function parse_url; |
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class CustomCspListener implements IEventListener { |
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/** @var Config */ |
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private $config; |
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public function __construct(Config $config) { |
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$this->config = $config; |
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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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$publicDsn = $this->config->getPublicDsn(); |
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$reportUrl = $this->config->getCspReportUrl(); |
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if ($publicDsn === null && $reportUrl === null) { |
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// Don't add any custom CSP |
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return; |
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} |
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$csp = new ContentSecurityPolicy(); |
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if ($publicDsn !== null) { |
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$parsedUrl = parse_url($publicDsn); |
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if (isset($parsedUrl['scheme'], $parsedUrl['host'])) { |
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$domain = $parsedUrl['scheme'] . '://' . $parsedUrl['host']; |
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$csp->addAllowedConnectDomain($domain); |
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} |
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} |
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if ($reportUrl !== null) { |
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$csp->addReportTo($reportUrl); |
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} |
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$event->addPolicy($csp); |
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} |
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} |
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