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<?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\JWT as JWTContract;
use Tymon\JWTAuth\Exceptions\JWTException;
use Tymon\JWTAuth\Exceptions\TokenBlacklistedException;
use Tymon\JWTAuth\Support\CustomClaims;
use Tymon\JWTAuth\Support\RefreshFlow;
class Manager
{
use CustomClaims, RefreshFlow;
/**
* The provider.
*
* @var \Tymon\JWTAuth\Contracts\Providers\JWT
*/
protected $provider;
/**
* The blacklist.
*
* @var \Tymon\JWTAuth\Blacklist
*/
protected $blacklist;
/**
* the payload factory.
*
* @var \Tymon\JWTAuth\Factory
*/
protected $payloadFactory;
/**
* The blacklist flag.
*
* @var bool
*/
protected $blacklistEnabled = true;
/**
* the persistent claims.
*
* @var array
*/
protected $persistentClaims = [];
/**
* Constructor.
*
* @param \Tymon\JWTAuth\Contracts\Providers\JWT $provider
* @param \Tymon\JWTAuth\Blacklist $blacklist
* @param \Tymon\JWTAuth\Factory $payloadFactory
* @return void
*/
public function __construct(JWTContract $provider, Blacklist $blacklist, Factory $payloadFactory)
{
$this->provider = $provider;
$this->blacklist = $blacklist;
$this->payloadFactory = $payloadFactory;
}
/**
* Encode a Payload and return the Token.
*
* @param \Tymon\JWTAuth\Payload $payload
* @return \Tymon\JWTAuth\Token
*/
public function encode(Payload $payload)
{
$token = $this->provider->encode($payload->get());
return new Token($token);
}
/**
* Decode a Token and return the Payload.
*
* @param \Tymon\JWTAuth\Token $token
* @param bool $checkBlacklist
* @return \Tymon\JWTAuth\Payload
*
* @throws \Tymon\JWTAuth\Exceptions\TokenBlacklistedException
*/
public function decode(Token $token, $checkBlacklist = true)
{
$payloadArray = $this->provider->decode($token->get());
$payload = $this->payloadFactory
->setRefreshFlow($this->refreshFlow)
->customClaims($payloadArray)
->make();
if ($checkBlacklist && $this->blacklistEnabled && $this->blacklist->has($payload)) {
throw new TokenBlacklistedException('The token has been blacklisted');
}
return $payload;
}
/**
* Refresh a Token and return a new Token.
*
* @param \Tymon\JWTAuth\Token $token
* @param bool $forceForever
* @param bool $resetClaims
* @return \Tymon\JWTAuth\Token
*/
public function refresh(Token $token, $forceForever = false, $resetClaims = false)
{
$this->setRefreshFlow();
$claims = $this->buildRefreshClaims($this->decode($token));
if ($this->blacklistEnabled) {
// Invalidate old token
$this->invalidate($token, $forceForever);
}
// Return the new token
return $this->encode(
$this->payloadFactory->customClaims($claims)->make($resetClaims)
);
}
/**
* Invalidate a Token by adding it to the blacklist.
*
* @param \Tymon\JWTAuth\Token $token
* @param bool $forceForever
* @return bool
*
* @throws \Tymon\JWTAuth\Exceptions\JWTException
*/
public function invalidate(Token $token, $forceForever = false)
{
if (! $this->blacklistEnabled) {
throw new JWTException('You must have the blacklist enabled to invalidate a token.');
}
return call_user_func(
[$this->blacklist, $forceForever ? 'addForever' : 'add'],
$this->decode($token, false)
);
}
/**
* Build the claims to go into the refreshed token.
*
* @param \Tymon\JWTAuth\Payload $payload
* @return array
*/
protected function buildRefreshClaims(Payload $payload)
{
// Get the claims to be persisted from the payload
$persistentClaims = collect($payload->toArray())
->only($this->persistentClaims)
->toArray();
// persist the relevant claims
return array_merge(
$this->customClaims,
$persistentClaims,
[
'sub' => $payload['sub'],
'iat' => $payload['iat'],
]
);
}
/**
* Get the Payload Factory instance.
*
* @return \Tymon\JWTAuth\Factory
*/
public function getPayloadFactory()
{
return $this->payloadFactory;
}
/**
* Get the JWTProvider instance.
*
* @return \Tymon\JWTAuth\Contracts\Providers\JWT
*/
public function getJWTProvider()
{
return $this->provider;
}
/**
* Get the Blacklist instance.
*
* @return \Tymon\JWTAuth\Blacklist
*/
public function getBlacklist()
{
return $this->blacklist;
}
/**
* Set whether the blacklist is enabled.
*
* @param bool $enabled
* @return $this
*/
public function setBlacklistEnabled($enabled)
{
$this->blacklistEnabled = $enabled;
return $this;
}
/**
* Set the claims to be persisted when refreshing a token.
*
* @param array $claims
* @return $this
*/
public function setPersistentClaims(array $claims)
{
$this->persistentClaims = $claims;
return $this;
}
}
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