friendica/src/Worker/PushSubscription.php

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<?php
/**
* @copyright Copyright (C) 2010-2021, the Friendica project
*
* @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\Worker;
use Friendica\Content\Text\BBCode;
use Friendica\Content\Text\Plaintext;
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use Friendica\Core\Logger;
use Friendica\Database\DBA;
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use Friendica\DI;
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use Friendica\Model\Contact;
use Friendica\Model\Notification;
use Friendica\Model\Post;
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use Friendica\Model\Subscription as ModelSubscription;
use Friendica\Model\User;
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use Minishlink\WebPush\WebPush;
use Minishlink\WebPush\Subscription;
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class PushSubscription
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{
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public static function execute(int $sid, int $nid)
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{
Logger::info('Start', ['subscription' => $sid, 'notification' => $nid]);
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$subscription = DBA::selectFirst('subscription', [], ['id' => $sid]);
if (empty($subscription)) {
Logger::info('Subscription not found', ['subscription' => $sid]);
return;
}
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$notification = DBA::selectFirst('notification', [], ['id' => $nid]);
if (empty($notification)) {
Logger::info('Notification not found', ['notification' => $nid]);
return;
}
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$application_token = DBA::selectFirst('application-token', [], ['application-id' => $subscription['application-id'], 'uid' => $subscription['uid']]);
if (empty($application_token)) {
Logger::info('Application token not found', ['application' => $subscription['application-id']]);
return;
}
$user = User::getById($notification['uid']);
if (empty($user)) {
Logger::info('User not found', ['application' => $subscription['uid']]);
return;
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}
$l10n = DI::l10n()->withLang($user['language']);
$type = Notification::getType($notification);
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if (!empty($notification['actor-id'])) {
$actor = Contact::getById($notification['actor-id']);
}
$body = '';
if (!empty($notification['target-uri-id'])) {
$post = Post::selectFirst([], ['uri-id' => $notification['target-uri-id'], 'uid' => [0, $notification['uid']]]);
if (!empty($post['body'])) {
$body = BBCode::toPlaintext($post['body'], false);
$body = Plaintext::shorten($body, 160, $notification['uid']);
}
}
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$message = Notification::getMessage($notification);
$title = $message['plain'] ?: '';
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$push = Subscription::create([
'contentEncoding' => 'aesgcm',
'endpoint' => $subscription['endpoint'],
'keys' => [
'p256dh' => $subscription['pubkey'],
'auth' => $subscription['secret']
],
]);
$payload = [
'access_token' => $application_token['access_token'],
'preferred_locale' => $user['language'],
'notification_id' => $nid,
'notification_type' => $type,
'icon' => $actor['thumb'] ?? '',
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'title' => $title ?: $l10n->t('Notification from Friendica'),
'body' => $body ?: $l10n->t('Empty Post'),
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];
Logger::info('Payload', ['payload' => $payload]);
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$auth = [
'VAPID' => [
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'subject' => DI::baseUrl()->getHostname(),
'publicKey' => ModelSubscription::getPublicVapidKey(),
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'privateKey' => ModelSubscription::getPrivateVapidKey(),
],
];
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$webPush = new WebPush($auth, [], DI::config()->get('system', 'xrd_timeout'));
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$report = $webPush->sendOneNotification($push, json_encode($payload), ['urgency' => 'normal']);
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$endpoint = $report->getRequest()->getUri()->__toString();
if ($report->isSuccess()) {
Logger::info('Message sent successfully for subscription', ['subscription' => $sid, 'notification' => $nid, 'endpoint' => $endpoint]);
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} else {
Logger::info('Message failed to sent for subscription', ['subscription' => $sid, 'notification' => $nid, 'endpoint' => $endpoint, 'reason' => $report->getReason()]);
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}
}
}