Current File : /home/vacivi36/intranet.vacivitta.com.br/protected/humhub/modules/live/driver/Push.php
<?php
/**
* @link https://www.humhub.org/
* @copyright Copyright (c) 2017 HumHub GmbH & Co. KG
* @license https://www.humhub.com/licences
*/
namespace humhub\modules\live\driver;
use Firebase\JWT\JWT;
use Yii;
use yii\helpers\Json;
use yii\helpers\Url;
use yii\base\InvalidConfigException;
use yii\redis\Connection;
use yii\di\Instance;
use humhub\modules\user\models\User;
use humhub\modules\live\components\LiveEvent;
use humhub\modules\live\assets\LivePushAsset;
use humhub\modules\live\live\LegitimationChanged;
/**
* Database driver for live events
*
* @since 1.3
* @author Luke
*/
class Push extends BaseDriver
{
/**
* @var string the used Redis push channel
*/
public $pushChannel = 'push';
/**
* @var string the URL to the push service
*/
public $pushServiceUrl = '';
/**
* @var string the JWT secret key
*/
public $jwtKey = '';
/**
* @var Connection|string|array the Redis [[Connection]] object or the application component ID of the Redis [[Connection]].
* This can also be an array that is used to create a redis [[Connection]] instance in case you do not want do configure
* redis connection as an application component.
* After the Cache object is created, if you want to change this property, you should only assign it
* with a Redis [[Connection]] object.
*/
public $redis = 'redis';
/**
* Initializes the live push component.
* This method will initialize the [[redis]] property to make sure it refers to a valid redis connection.
*
* @throws \yii\base\InvalidConfigException if [[redis]] is invalid.
*/
public function init()
{
parent::init();
Yii::$app->view->registerAssetBundle(LivePushAsset::class);
$this->redis = Instance::ensure($this->redis, Connection::class);
if (empty($this->jwtKey)) {
throw new InvalidConfigException('Push driver JWT key is not specified.');
}
}
/**
* @inheritdoc
*/
public function send(LiveEvent $liveEvent)
{
$this->redis->publish($this->pushChannel, Json::encode($liveEvent->getData()));
}
/**
* @inheritdoc
*/
public function getJsConfig()
{
return [
'type' => 'humhub.modules.live.push.PushClient',
'options' => [
'url' => $this->pushServiceUrl,
'jwt' => $this->generateJwtAuthorization(),
]
];
}
/**
* Generates an JWT authorization of the current user including
* the contentContainer id legitmation.
*
* @return string the JWT string
* @throws \Throwable
*/
public function generateJwtAuthorization()
{
if (Yii::$app->user->isGuest) {
return '';
}
$user = Yii::$app->user->getIdentity();
$token = [
'iss' => Url::to(['/'], true),
'sub' => Yii::$app->user->id,
'legitmation' => Yii::$app->getModule('live')->getLegitimateContentContainerIds($user)
];
return JWT::encode($token, $this->jwtKey);
}
/**
* @inheritdoc
*/
public function onContentContainerLegitimationChanged(User $user, $legitimation = [])
{
$this->send(new LegitimationChanged(['contentContainerId' => $user->contentcontainer_id, 'userId' => $user->id, 'legitimation' => $legitimation]));
}
}
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