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| Current Path : /home/thenclexdoctor.com/.trash/vendor/tymon/jwt-auth/src/ |
| Current File : /home/thenclexdoctor.com/.trash/vendor/tymon/jwt-auth/src/Blacklist.php |
<?php
/*
* This file is part of jwt-auth.
*
* (c) Sean Tymon <tymon148@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Tymon\JWTAuth;
use Tymon\JWTAuth\Contracts\Providers\Storage;
use Tymon\JWTAuth\Support\Utils;
class Blacklist
{
/**
* The storage.
*
* @var \Tymon\JWTAuth\Contracts\Providers\Storage
*/
protected $storage;
/**
* The grace period when a token is blacklisted. In seconds.
*
* @var int
*/
protected $gracePeriod = 0;
/**
* Number of minutes from issue date in which a JWT can be refreshed.
*
* @var int
*/
protected $refreshTTL = 20160;
/**
* The unique key held within the blacklist.
*
* @var string
*/
protected $key = 'jti';
/**
* Constructor.
*
* @param \Tymon\JWTAuth\Contracts\Providers\Storage $storage
* @return void
*/
public function __construct(Storage $storage)
{
$this->storage = $storage;
}
/**
* Add the token (jti claim) to the blacklist.
*
* @param \Tymon\JWTAuth\Payload $payload
* @return bool
*/
public function add(Payload $payload)
{
// if there is no exp claim then add the jwt to
// the blacklist indefinitely
if (! $payload->hasKey('exp')) {
return $this->addForever($payload);
}
// if we have already added this token to the blacklist
if (! empty($this->storage->get($this->getKey($payload)))) {
return true;
}
$this->storage->add(
$this->getKey($payload),
['valid_until' => $this->getGraceTimestamp()],
$this->getMinutesUntilExpired($payload)
);
return true;
}
/**
* Get the number of minutes until the token expiry.
*
* @param \Tymon\JWTAuth\Payload $payload
* @return int
*/
protected function getMinutesUntilExpired(Payload $payload)
{
$exp = Utils::timestamp($payload['exp']);
$iat = Utils::timestamp($payload['iat']);
// get the latter of the two expiration dates and find
// the number of minutes until the expiration date,
// plus 1 minute to avoid overlap
return $exp->max($iat->addMinutes($this->refreshTTL))->addMinute()->diffInRealMinutes();
}
/**
* Add the token (jti claim) to the blacklist indefinitely.
*
* @param \Tymon\JWTAuth\Payload $payload
* @return bool
*/
public function addForever(Payload $payload)
{
$this->storage->forever($this->getKey($payload), 'forever');
return true;
}
/**
* Determine whether the token has been blacklisted.
*
* @param \Tymon\JWTAuth\Payload $payload
* @return bool
*/
public function has(Payload $payload)
{
$val = $this->storage->get($this->getKey($payload));
// exit early if the token was blacklisted forever,
if ($val === 'forever') {
return true;
}
// check whether the expiry + grace has past
return ! empty($val) && ! Utils::isFuture($val['valid_until']);
}
/**
* Remove the token (jti claim) from the blacklist.
*
* @param \Tymon\JWTAuth\Payload $payload
* @return bool
*/
public function remove(Payload $payload)
{
return $this->storage->destroy($this->getKey($payload));
}
/**
* Remove all tokens from the blacklist.
*
* @return bool
*/
public function clear()
{
$this->storage->flush();
return true;
}
/**
* Get the timestamp when the blacklist comes into effect
* This defaults to immediate (0 seconds).
*
* @return int
*/
protected function getGraceTimestamp()
{
return Utils::now()->addSeconds($this->gracePeriod)->getTimestamp();
}
/**
* Set the grace period.
*
* @param int $gracePeriod
* @return $this
*/
public function setGracePeriod($gracePeriod)
{
$this->gracePeriod = (int) $gracePeriod;
return $this;
}
/**
* Get the grace period.
*
* @return int
*/
public function getGracePeriod()
{
return $this->gracePeriod;
}
/**
* Get the unique key held within the blacklist.
*
* @param \Tymon\JWTAuth\Payload $payload
* @return mixed
*/
public function getKey(Payload $payload)
{
return $payload($this->key);
}
/**
* Set the unique key held within the blacklist.
*
* @param string $key
* @return $this
*/
public function setKey($key)
{
$this->key = value($key);
return $this;
}
/**
* Set the refresh time limit.
*
* @param int $ttl
* @return $this
*/
public function setRefreshTTL($ttl)
{
$this->refreshTTL = (int) $ttl;
return $this;
}
/**
* Get the refresh time limit.
*
* @return int
*/
public function getRefreshTTL()
{
return $this->refreshTTL;
}
}
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