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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\Providers\JWT;
use Illuminate\Support\Arr;
abstract class Provider
{
const ALGO_HS256 = 'HS256';
const ALGO_HS384 = 'HS384';
const ALGO_HS512 = 'HS512';
const ALGO_RS256 = 'RS256';
const ALGO_RS384 = 'RS384';
const ALGO_RS512 = 'RS512';
const ALGO_ES256 = 'ES256';
const ALGO_ES384 = 'ES384';
const ALGO_ES512 = 'ES512';
/**
* The secret.
*
* @var string
*/
protected $secret;
/**
* The array of keys.
*
* @var array
*/
protected $keys;
/**
* The used algorithm.
*
* @var string
*/
protected $algo;
/**
* Constructor.
*
* @param string $secret
* @param string $algo
* @param array $keys
* @return void
*/
public function __construct($secret, $algo, array $keys)
{
$this->secret = $secret;
$this->algo = $algo;
$this->keys = $keys;
}
/**
* Set the algorithm used to sign the token.
*
* @param string $algo
* @return $this
*/
public function setAlgo($algo)
{
$this->algo = $algo;
return $this;
}
/**
* Get the algorithm used to sign the token.
*
* @return string
*/
public function getAlgo()
{
return $this->algo;
}
/**
* Set the secret used to sign the token.
*
* @param string $secret
* @return $this
*/
public function setSecret($secret)
{
$this->secret = $secret;
return $this;
}
/**
* Get the secret used to sign the token.
*
* @return string
*/
public function getSecret()
{
return $this->secret;
}
/**
* Set the keys used to sign the token.
*
* @param array $keys
* @return $this
*/
public function setKeys(array $keys)
{
$this->keys = $keys;
return $this;
}
/**
* Get the array of keys used to sign tokens with an asymmetric algorithm.
*
* @return array
*/
public function getKeys()
{
return $this->keys;
}
/**
* Get the public key used to sign tokens with an asymmetric algorithm.
*
* @return string|null
*/
public function getPublicKey()
{
return Arr::get($this->keys, 'public');
}
/**
* Get the private key used to sign tokens with an asymmetric algorithm.
*
* @return string|null
*/
public function getPrivateKey()
{
return Arr::get($this->keys, 'private');
}
/**
* Get the passphrase used to sign tokens
* with an asymmetric algorithm.
*
* @return string|null
*/
public function getPassphrase()
{
return Arr::get($this->keys, 'passphrase');
}
/**
* Get the key used to sign the tokens.
*
* @return string|null
*/
protected function getSigningKey()
{
return $this->isAsymmetric() ? $this->getPrivateKey() : $this->getSecret();
}
/**
* Get the key used to verify the tokens.
*
* @return string|null
*/
protected function getVerificationKey()
{
return $this->isAsymmetric() ? $this->getPublicKey() : $this->getSecret();
}
/**
* Determine if the algorithm is asymmetric, and thus requires a public/private key combo.
*
* @return bool
*/
abstract protected function isAsymmetric();
}
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