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nc_ext_dav_push/lib/PushTransports/WebPushTransport.php
Jonathan Treffler b6ba200281 fix #6
2024-08-12 20:11:19 +02:00

119 lines
3.2 KiB
PHP

<?php
declare(strict_types=1);
/**
* @copyright 2024 Jonathan Treffler <mail@jonathan-treffler.de>
*
* @author Jonathan Treffler <mail@jonathan-treffler.de>
*
* @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 <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\DavPush\PushTransports;
use OCA\DavPush\Transport\Transport;
use OCA\DavPush\Service\WebPushSubscriptionService;
use OCA\DavPush\Errors\WebPushSubscriptionNotFound;
use Sabre\Xml\Service;
class WebPushTransport extends Transport {
protected $id = "web-push";
public function __construct(
private WebPushSubscriptionService $webPushSubscriptionService,
) {}
private function parseOptions(array $options): array {
$result = [];
foreach($options as $option) {
if ($option["name"] == "{DAV:Push}push-resource") {
$result["pushResource"] = $option["value"];
}
}
return $result;
}
public function validateOptions($options): array {
['pushResource' => $pushResource] = $this->parseOptions($options);
// TODO: check if string is valid URL
if(isset($pushResource) && $pushResource !== '') {
return [
'success' => True,
];
} else {
return [
'success' => False,
'errors' => ["push resource not provided"]
];
}
}
public function registerSubscription($subsciptionId, $options) {
['pushResource' => $pushResource] = $this->parseOptions($options);
$this->webPushSubscriptionService->create($subsciptionId, $pushResource);
return [
'success' => True,
'response' => "",
];
}
public function notify(string $userId, string $collectionName, int $subscriptionId) {
$xmlService = new Service();
$pushResource = $this->webPushSubscriptionService->findBySubscriptionId($subscriptionId)->getPushResource();
$content = $xmlService->write('{DAV:Push}push-message', [
'{DAV:Push}topic' => $collectionName,
]);
$options = [
'http' => [
'method' => 'POST',
'content' => $content,
],
];
$context = stream_context_create($options);
$result = file_get_contents($pushResource, false, $context);
}
public function getSubscriptionIdFromOptions(string $userId, string $collectionName, $options): ?int {
['pushResource' => $pushResource] = $this->parseOptions($options);
try {
return $this->webPushSubscriptionService->findByPushResource($userId, $collectionName, $pushResource)->getSubscriptionId();
} catch (WebPushSubscriptionNotFound $e) {
return null;
}
}
public function updateSubscription($subsciptionId, $options) {
// there are no options which can be edited -> NOOP
return [
'success' => True,
'response' => "",
];
}
}