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| Current Path : /home/thenclexdoctor.com/.trash/vendor/tymon/jwt-auth/src/Providers/JWT/ |
| Current File : /home/thenclexdoctor.com/.trash/vendor/tymon/jwt-auth/src/Providers/JWT/Lcobucci.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\Providers\JWT;
use DateTimeImmutable;
use DateTimeInterface;
use Exception;
use Illuminate\Support\Collection;
use Lcobucci\JWT\Configuration;
use Lcobucci\JWT\Signer;
use Lcobucci\JWT\Signer\Ecdsa;
use Lcobucci\JWT\Signer\Key;
use Lcobucci\JWT\Signer\Key\InMemory;
use Lcobucci\JWT\Signer\Rsa;
use Lcobucci\JWT\Token\Builder;
use Lcobucci\JWT\Token\RegisteredClaims;
use Lcobucci\JWT\Validation\Constraint\SignedWith;
use Tymon\JWTAuth\Contracts\Providers\JWT;
use Tymon\JWTAuth\Exceptions\JWTException;
use Tymon\JWTAuth\Exceptions\TokenInvalidException;
class Lcobucci extends Provider implements JWT
{
/**
* \Lcobucci\JWT\Signer.
*/
protected $signer;
/**
* \Lcobucci\JWT\Configuration.
*/
protected $config;
/**
* Create the Lcobucci provider.
*
* @param string $secret
* @param string $algo
* @param array $keys
* @param \Lcobucci\JWT\Configuration|null $config
* @return void
*/
public function __construct($secret, $algo, array $keys, $config = null)
{
parent::__construct($secret, $algo, $keys);
$this->signer = $this->getSigner();
$this->config = $config ?: $this->buildConfig();
}
/**
* Signers that this provider supports.
*
* @var array
*/
protected $signers = [
self::ALGO_HS256 => Signer\Hmac\Sha256::class,
self::ALGO_HS384 => Signer\Hmac\Sha384::class,
self::ALGO_HS512 => Signer\Hmac\Sha512::class,
self::ALGO_RS256 => Signer\Rsa\Sha256::class,
self::ALGO_RS384 => Signer\Rsa\Sha384::class,
self::ALGO_RS512 => Signer\Rsa\Sha512::class,
self::ALGO_ES256 => Signer\Ecdsa\Sha256::class,
self::ALGO_ES384 => Signer\Ecdsa\Sha384::class,
self::ALGO_ES512 => Signer\Ecdsa\Sha512::class,
];
/**
* Create a JSON Web Token.
*
* @param array $payload
* @return string
*
* @throws \Tymon\JWTAuth\Exceptions\JWTException
*/
public function encode(array $payload)
{
$builder = $this->getBuilderFromClaims($payload);
try {
return $builder
->getToken($this->config->signer(), $this->config->signingKey())
->toString();
} catch (Exception $e) {
throw new JWTException('Could not create token: '.$e->getMessage(), $e->getCode(), $e);
}
}
/**
* Decode a JSON Web Token.
*
* @param string $token
* @return array
*
* @throws \Tymon\JWTAuth\Exceptions\JWTException
*/
public function decode($token)
{
try {
/** @var \Lcobucci\JWT\Token\Plain */
$token = $this->config->parser()->parse($token);
} catch (Exception $e) {
throw new TokenInvalidException('Could not decode token: '.$e->getMessage(), $e->getCode(), $e);
}
if (! $this->config->validator()->validate($token, ...$this->config->validationConstraints())) {
throw new TokenInvalidException('Token Signature could not be verified.');
}
return Collection::wrap($token->claims()->all())
->map(function ($claim) {
if ($claim instanceof DateTimeInterface) {
return $claim->getTimestamp();
}
return is_object($claim) && method_exists($claim, 'getValue')
? $claim->getValue()
: $claim;
})
->toArray();
}
/**
* Create an instance of the builder with all of the claims applied.
*
* @param array $payload
* @return \Lcobucci\JWT\Token\Builder
*/
protected function getBuilderFromClaims(array $payload): Builder
{
$builder = $this->config->builder();
foreach ($payload as $key => $value) {
switch ($key) {
case RegisteredClaims::ID:
$builder->identifiedBy($value);
break;
case RegisteredClaims::EXPIRATION_TIME:
$builder->expiresAt(DateTimeImmutable::createFromFormat('U', $value));
break;
case RegisteredClaims::NOT_BEFORE:
$builder->canOnlyBeUsedAfter(DateTimeImmutable::createFromFormat('U', $value));
break;
case RegisteredClaims::ISSUED_AT:
$builder->issuedAt(DateTimeImmutable::createFromFormat('U', $value));
break;
case RegisteredClaims::ISSUER:
$builder->issuedBy($value);
break;
case RegisteredClaims::AUDIENCE:
$builder->permittedFor($value);
break;
case RegisteredClaims::SUBJECT:
$builder->relatedTo($value);
break;
default:
$builder->withClaim($key, $value);
}
}
return $builder;
}
/**
* Build the configuration.
*
* @return \Lcobucci\JWT\Configuration
*/
protected function buildConfig(): Configuration
{
$config = $this->isAsymmetric()
? Configuration::forAsymmetricSigner(
$this->signer,
$this->getSigningKey(),
$this->getVerificationKey()
)
: Configuration::forSymmetricSigner($this->signer, $this->getSigningKey());
$config->setValidationConstraints(
new SignedWith($this->signer, $this->getVerificationKey())
);
return $config;
}
/**
* Get the signer instance.
*
* @return \Lcobucci\JWT\Signer
*
* @throws \Tymon\JWTAuth\Exceptions\JWTException
*/
protected function getSigner()
{
if (! array_key_exists($this->algo, $this->signers)) {
throw new JWTException('The given algorithm could not be found');
}
$signer = $this->signers[$this->algo];
if (is_subclass_of($signer, Ecdsa::class)) {
return $signer::create();
}
return new $signer();
}
/**
* {@inheritdoc}
*/
protected function isAsymmetric()
{
return is_subclass_of($this->signer, Rsa::class)
|| is_subclass_of($this->signer, Ecdsa::class);
}
/**
* {@inheritdoc}
*
* @return \Lcobucci\JWT\Signer\Key
*
* @throws \Tymon\JWTAuth\Exceptions\JWTException
*/
protected function getSigningKey()
{
if ($this->isAsymmetric()) {
if (! $privateKey = $this->getPrivateKey()) {
throw new JWTException('Private key is not set.');
}
return $this->getKey($privateKey, $this->getPassphrase() ?? '');
}
if (! $secret = $this->getSecret()) {
throw new JWTException('Secret is not set.');
}
return $this->getKey($secret);
}
/**
* {@inheritdoc}
*
* @return \Lcobucci\JWT\Signer\Key
*
* @throws \Tymon\JWTAuth\Exceptions\JWTException
*/
protected function getVerificationKey()
{
if ($this->isAsymmetric()) {
if (! $public = $this->getPublicKey()) {
throw new JWTException('Public key is not set.');
}
return $this->getKey($public);
}
if (! $secret = $this->getSecret()) {
throw new JWTException('Secret is not set.');
}
return $this->getKey($secret);
}
/**
* Get the signing key instance.
*/
protected function getKey(string $contents, string $passphrase = ''): Key
{
return InMemory::plainText($contents, $passphrase);
}
}
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