3 * @copyright Copyright (C) 2010-2021, the Friendica project
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
23 * @see https://github.com/web-push-libs/web-push-php
24 * Possibly we should simply use this.
27 namespace Friendica\Model;
29 use Friendica\Core\Logger;
30 use Friendica\Core\Worker;
31 use Friendica\Database\DBA;
33 use Friendica\Util\Crypto;
34 use Minishlink\WebPush\VAPID;
39 * Select a subscription record exists
41 * @param int $applicationid
43 * @param array $fields
45 * @return bool Does it exist?
47 public static function select(int $applicationid, int $uid, array $fields = [])
49 return DBA::selectFirst('subscription', $fields, ['application-id' => $applicationid, 'uid' => $uid]);
53 * Check if a subscription record exists
55 * @param int $applicationid
58 * @return bool Does it exist?
60 public static function exists(int $applicationid, int $uid)
62 return DBA::exists('subscription', ['application-id' => $applicationid, 'uid' => $uid]);
66 * Update a subscription record
68 * @param int $applicationid
70 * @param array $fields subscription fields
72 * @return bool result of update
74 public static function update(int $applicationid, int $uid, array $fields)
76 return DBA::update('subscription', $fields, ['application-id' => $applicationid, 'uid' => $uid]);
80 * Insert or replace a subscription record
82 * @param array $fields subscription fields
84 * @return bool result of replace
86 public static function replace(array $fields)
88 return DBA::replace('subscription', $fields);
92 * Delete a subscription record
94 * @param int $applicationid
98 public static function delete(int $applicationid, int $uid)
100 return DBA::delete('subscription', ['application-id' => $applicationid, 'uid' => $uid]);
104 * Fetch a VAPID keypair
108 private static function getKeyPair(): array
110 $keypair = DI::config()->get('system', 'ec_keypair');
111 if (empty($keypair['publicKey']) || empty($keypair['privateKey'])) {
112 $keypair = VAPID::createVapidKeys();
113 DI::config()->set('system', 'ec_keypair', $keypair);
119 * Fetch the public VAPID key
123 public static function getPublicVapidKey(): string
125 $keypair = self::getKeyPair();
126 return $keypair['publicKey'];
130 * Fetch the public VAPID key
134 public static function getPrivateVapidKey(): string
136 $keypair = self::getKeyPair();
137 return $keypair['privateKey'];
141 * Prepare push notification
146 public static function pushByNotificationId(int $nid)
148 $notification = DBA::selectFirst('notification', [], ['id' => $nid]);
150 $type = Notification::getType($notification);
155 $subscriptions = DBA::select('subscription', [], ['uid' => $notification['uid'], $type => true]);
156 while ($subscription = DBA::fetch($subscriptions)) {
157 Logger::info('Push notification', ['id' => $subscription['id'], 'uid' => $subscription['uid'], 'type' => $type]);
158 Worker::add(PRIORITY_HIGH, 'PushSubscription', $subscription['id'], $nid);
160 DBA::close($subscriptions);