Файл: vendor/laravel/framework/src/Illuminate/Queue/Middleware/RateLimitedWithRedis.php
Строк: 136
<?php
namespace IlluminateQueueMiddleware;
use IlluminateContainerContainer;
use IlluminateContractsRedisFactory as Redis;
use IlluminateRedisLimitersDurationLimiter;
use IlluminateSupportInteractsWithTime;
class RateLimitedWithRedis extends RateLimited
{
use InteractsWithTime;
/**
* The name of the Redis connection that should be used.
*
* @var string|null
*/
protected $connectionName = null;
/**
* The timestamp of the end of the current duration by key.
*
* @var array
*/
public $decaysAt = [];
/**
* Create a new middleware instance.
*
* @param UnitEnum|string $limiterName
*/
public function __construct($limiterName, ?string $connection = null)
{
parent::__construct($limiterName);
$this->connectionName = $connection;
}
/**
* Handle a rate limited job.
*
* @param mixed $job
* @param callable $next
* @param array $limits
* @return mixed
*/
protected function handleJob($job, $next, array $limits)
{
foreach ($limits as $limit) {
if ($this->tooManyAttempts($limit->key, $limit->maxAttempts, $limit->decaySeconds)) {
return $this->shouldRelease
? $job->release($this->releaseAfter ?: $this->getTimeUntilNextRetry($limit->key))
: false;
}
}
return $next($job);
}
/**
* Determine if the given key has been "accessed" too many times.
*
* @param string $key
* @param int $maxAttempts
* @param int $decaySeconds
* @return bool
*/
protected function tooManyAttempts($key, $maxAttempts, $decaySeconds)
{
$redis = Container::getInstance()
->make(Redis::class)
->connection($this->connectionName);
$limiter = new DurationLimiter(
$redis, $key, $maxAttempts, $decaySeconds
);
return tap(! $limiter->acquire(), function () use ($key, $limiter) {
$this->decaysAt[$key] = $limiter->decaysAt;
});
}
/**
* Get the number of seconds that should elapse before the job is retried.
*
* @param string $key
* @return int
*/
protected function getTimeUntilNextRetry($key)
{
return ($this->decaysAt[$key] - $this->currentTime()) + 3;
}
/**
* Specify the Redis connection that should be used.
*
* @param string $name
* @return $this
*/
public function connection(string $name)
{
$this->connectionName = $name;
return $this;
}
/**
* Prepare the object for serialization.
*
* @return array
*/
public function __sleep()
{
return array_merge(parent::__sleep(), ['connectionName']);
}
/**
* Prepare the object after unserialization.
*
* @return void
*/
public function __wakeup()
{
parent::__wakeup();
}
}