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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\Exceptions\JWTException;
use Tymon\JWTAuth\Providers\JWT\JWTInterface;
use Tymon\JWTAuth\Exceptions\TokenBlacklistedException;
class JWTManager
{
/**
* @var \Tymon\JWTAuth\Providers\JWT\JWTInterface
*/
protected $jwt;
/**
* @var \Tymon\JWTAuth\Blacklist
*/
protected $blacklist;
/**
* @var \Tymon\JWTAuth\PayloadFactory
*/
protected $payloadFactory;
/**
* @var bool
*/
protected $blacklistEnabled = true;
/**
* @var bool
*/
protected $refreshFlow = false;
/**
* @param \Tymon\JWTAuth\Providers\JWT\JWTInterface $jwt
* @param \Tymon\JWTAuth\Blacklist $blacklist
* @param \Tymon\JWTAuth\PayloadFactory $payloadFactory
*/
public function __construct(JWTInterface $jwt, Blacklist $blacklist, PayloadFactory $payloadFactory)
{
$this->jwt = $jwt;
$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 = $this->jwt->encode($payload->get());
return new Token($token);
}
/**
* Decode a Token and return the Payload.
*
* @param \Tymon\JWTAuth\Token $token
* @return Payload
* @throws TokenBlacklistedException
*/
public function decode(Token $token)
{
$payloadArray = $this->jwt->decode($token->get());
$payload = $this->payloadFactory->setRefreshFlow($this->refreshFlow)->make($payloadArray);
if ($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
* @return \Tymon\JWTAuth\Token
*/
public function refresh(Token $token)
{
$payload = $this->setRefreshFlow()->decode($token);
if ($this->blacklistEnabled) {
// invalidate old token
$this->blacklist->add($payload);
}
// return the new token
return $this->encode(
$this->payloadFactory->make([
'sub' => $payload['sub'],
'iat' => $payload['iat'],
])
);
}
/**
* Invalidate a Token by adding it to the blacklist.
*
* @param Token $token
* @return bool
*/
public function invalidate(Token $token)
{
if (! $this->blacklistEnabled) {
throw new JWTException('You must have the blacklist enabled to invalidate a token.');
}
return $this->blacklist->add($this->decode($token));
}
/**
* Get the PayloadFactory instance.
*
* @return \Tymon\JWTAuth\PayloadFactory
*/
public function getPayloadFactory()
{
return $this->payloadFactory;
}
/**
* Get the JWTProvider instance.
*
* @return \Tymon\JWTAuth\Providers\JWT\JWTInterface
*/
public function getJWTProvider()
{
return $this->jwt;
}
/**
* Get the Blacklist instance.
*
* @return \Tymon\JWTAuth\Blacklist
*/
public function getBlacklist()
{
return $this->blacklist;
}
/**
* Set whether the blacklist is enabled.
*
* @param bool $enabled
*/
public function setBlacklistEnabled($enabled)
{
$this->blacklistEnabled = $enabled;
return $this;
}
/**
* Set the refresh flow.
*
* @param bool $refreshFlow
* @return $this
*/
public function setRefreshFlow($refreshFlow = true)
{
$this->refreshFlow = $refreshFlow;
return $this;
}
}
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