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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\Claims\Claim;
use Tymon\JWTAuth\Claims\Collection;
use Tymon\JWTAuth\Claims\Factory as ClaimFactory;
use Tymon\JWTAuth\Support\CustomClaims;
use Tymon\JWTAuth\Support\RefreshFlow;
use Tymon\JWTAuth\Validators\PayloadValidator;
class Factory
{
use CustomClaims, RefreshFlow;
/**
* The claim factory.
*
* @var \Tymon\JWTAuth\Claims\Factory
*/
protected $claimFactory;
/**
* The validator.
*
* @var \Tymon\JWTAuth\Validators\PayloadValidator
*/
protected $validator;
/**
* The default claims.
*
* @var array
*/
protected $defaultClaims = [
'iss',
'iat',
'exp',
'nbf',
'jti',
];
/**
* The claims collection.
*
* @var \Tymon\JWTAuth\Claims\Collection
*/
protected $claims;
/**
* Constructor.
*
* @param \Tymon\JWTAuth\Claims\Factory $claimFactory
* @param \Tymon\JWTAuth\Validators\PayloadValidator $validator
* @return void
*/
public function __construct(ClaimFactory $claimFactory, PayloadValidator $validator)
{
$this->claimFactory = $claimFactory;
$this->validator = $validator;
$this->claims = new Collection;
}
/**
* Create the Payload instance.
*
* @param bool $resetClaims
* @return \Tymon\JWTAuth\Payload
*/
public function make($resetClaims = false)
{
if ($resetClaims) {
$this->emptyClaims();
}
return $this->withClaims($this->buildClaimsCollection());
}
/**
* Empty the claims collection.
*
* @return $this
*/
public function emptyClaims()
{
$this->claims = new Collection;
return $this;
}
/**
* Add an array of claims to the Payload.
*
* @param array $claims
* @return $this
*/
protected function addClaims(array $claims)
{
foreach ($claims as $name => $value) {
$this->addClaim($name, $value);
}
return $this;
}
/**
* Add a claim to the Payload.
*
* @param string $name
* @param mixed $value
* @return $this
*/
protected function addClaim($name, $value)
{
$this->claims->put($name, $value);
return $this;
}
/**
* Build the default claims.
*
* @return $this
*/
protected function buildClaims()
{
// remove the exp claim if it exists and the ttl is null
if ($this->claimFactory->getTTL() === null && $key = array_search('exp', $this->defaultClaims)) {
unset($this->defaultClaims[$key]);
}
// add the default claims
foreach ($this->defaultClaims as $claim) {
$this->addClaim($claim, $this->claimFactory->make($claim));
}
// add custom claims on top, allowing them to overwrite defaults
return $this->addClaims($this->getCustomClaims());
}
/**
* Build out the Claim DTO's.
*
* @return \Tymon\JWTAuth\Claims\Collection
*/
protected function resolveClaims()
{
return $this->claims->map(function ($value, $name) {
return $value instanceof Claim ? $value : $this->claimFactory->get($name, $value);
});
}
/**
* Build and get the Claims Collection.
*
* @return \Tymon\JWTAuth\Claims\Collection
*/
public function buildClaimsCollection()
{
return $this->buildClaims()->resolveClaims();
}
/**
* Get a Payload instance with a claims collection.
*
* @param \Tymon\JWTAuth\Claims\Collection $claims
* @return \Tymon\JWTAuth\Payload
*/
public function withClaims(Collection $claims)
{
return new Payload($claims, $this->validator, $this->refreshFlow);
}
/**
* Set the default claims to be added to the Payload.
*
* @param array $claims
* @return $this
*/
public function setDefaultClaims(array $claims)
{
$this->defaultClaims = $claims;
return $this;
}
/**
* Helper to set the ttl.
*
* @param int $ttl
* @return $this
*/
public function setTTL($ttl)
{
$this->claimFactory->setTTL($ttl);
return $this;
}
/**
* Helper to get the ttl.
*
* @return int
*/
public function getTTL()
{
return $this->claimFactory->getTTL();
}
/**
* Get the default claims.
*
* @return array
*/
public function getDefaultClaims()
{
return $this->defaultClaims;
}
/**
* Get the PayloadValidator instance.
*
* @return \Tymon\JWTAuth\Validators\PayloadValidator
*/
public function validator()
{
return $this->validator;
}
/**
* Magically add a claim.
*
* @param string $method
* @param array $parameters
* @return $this
*/
public function __call($method, $parameters)
{
$this->addClaim($method, $parameters[0]);
return $this;
}
}
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