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/>.
22 namespace Friendica\Model;
24 use Friendica\Core\Logger;
25 use Friendica\Core\Worker;
26 use Friendica\Database\DBA;
28 use Minishlink\WebPush\VAPID;
33 * Select a subscription record exists
35 * @param int $applicationid
37 * @param array $fields
39 * @return bool Does it exist?
41 public static function select(int $applicationid, int $uid, array $fields = [])
43 return DBA::selectFirst('subscription', $fields, ['application-id' => $applicationid, 'uid' => $uid]);
47 * Check if a subscription record exists
49 * @param int $applicationid
52 * @return bool Does it exist?
54 public static function exists(int $applicationid, int $uid)
56 return DBA::exists('subscription', ['application-id' => $applicationid, 'uid' => $uid]);
60 * Update a subscription record
62 * @param int $applicationid
64 * @param array $fields subscription fields
66 * @return bool result of update
68 public static function update(int $applicationid, int $uid, array $fields)
70 return DBA::update('subscription', $fields, ['application-id' => $applicationid, 'uid' => $uid]);
74 * Insert or replace a subscription record
76 * @param array $fields subscription fields
78 * @return bool result of replace
80 public static function replace(array $fields)
82 return DBA::replace('subscription', $fields);
86 * Delete a subscription record
88 * @param int $applicationid
92 public static function delete(int $applicationid, int $uid)
94 return DBA::delete('subscription', ['application-id' => $applicationid, 'uid' => $uid]);
98 * Fetch a VAPID keypair
102 private static function getKeyPair(): array
104 $keypair = DI::config()->get('system', 'ec_keypair');
105 if (empty($keypair['publicKey']) || empty($keypair['privateKey'])) {
106 $keypair = VAPID::createVapidKeys();
107 DI::config()->set('system', 'ec_keypair', $keypair);
113 * Fetch the public VAPID key
117 public static function getPublicVapidKey(): string
119 $keypair = self::getKeyPair();
120 return $keypair['publicKey'];
124 * Fetch the public VAPID key
128 public static function getPrivateVapidKey(): string
130 $keypair = self::getKeyPair();
131 return $keypair['privateKey'];
135 * Prepare push notification
140 public static function pushByNotificationId(int $nid)
142 $notification = DBA::selectFirst('notification', [], ['id' => $nid]);
144 $type = Notification::getType($notification);
149 $subscriptions = DBA::select('subscription', [], ['uid' => $notification['uid'], $type => true]);
150 while ($subscription = DBA::fetch($subscriptions)) {
151 Logger::info('Push notification', ['id' => $subscription['id'], 'uid' => $subscription['uid'], 'type' => $type]);
152 Worker::add(PRIORITY_HIGH, 'PushSubscription', $subscription['id'], $nid);
154 DBA::close($subscriptions);