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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 Illuminate\Support\Str;
use Illuminate\Http\Request;
use Tymon\JWTAuth\Claims\Factory;
use Tymon\JWTAuth\Validators\PayloadValidator;
class PayloadFactory
{
/**
* @var \Tymon\JWTAuth\Claims\Factory
*/
protected $claimFactory;
/**
* @var \Illuminate\Http\Request
*/
protected $request;
/**
* @var \Tymon\JWTAuth\Validators\PayloadValidator
*/
protected $validator;
/**
* @var int
*/
protected $ttl = 60;
/**
* @var bool
*/
protected $refreshFlow = false;
/**
* @var array
*/
protected $defaultClaims = ['iss', 'iat', 'exp', 'nbf', 'jti'];
/**
* @var array
*/
protected $claims = [];
/**
* @param \Tymon\JWTAuth\Claims\Factory $claimFactory
* @param \Illuminate\Http\Request $request
* @param \Tymon\JWTAuth\Validators\PayloadValidator $validator
*/
public function __construct(Factory $claimFactory, Request $request, PayloadValidator $validator)
{
$this->claimFactory = $claimFactory;
$this->request = $request;
$this->validator = $validator;
}
/**
* Create the Payload instance.
*
* @param array $customClaims
* @return \Tymon\JWTAuth\Payload
*/
public function make(array $customClaims = [])
{
$claims = $this->buildClaims($customClaims)->resolveClaims();
return new Payload($claims, $this->validator, $this->refreshFlow);
}
/**
* Add an array of claims to the Payload.
*
* @param array $claims
* @return $this
*/
public 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 $this
*/
public function addClaim($name, $value)
{
$this->claims[$name] = $value;
return $this;
}
/**
* Build the default claims.
*
* @param array $customClaims
* @return $this
*/
protected function buildClaims(array $customClaims)
{
// add any custom claims first
$this->addClaims($customClaims);
foreach ($this->defaultClaims as $claim) {
if (! array_key_exists($claim, $customClaims)) {
$this->addClaim($claim, $this->$claim());
}
}
return $this;
}
/**
* Build out the Claim DTO's.
*
* @return array
*/
public function resolveClaims()
{
$resolved = [];
foreach ($this->claims as $name => $value) {
$resolved[] = $this->claimFactory->get($name, $value);
}
return $resolved;
}
/**
* Set the Issuer (iss) claim.
*
* @return string
*/
public function iss()
{
return $this->request->url();
}
/**
* Set the Issued At (iat) claim.
*
* @return int
*/
public function iat()
{
return Utils::now()->timestamp;
}
/**
* Set the Expiration (exp) claim.
*
* @return int
*/
public function exp()
{
return Utils::now()->addMinutes($this->ttl)->timestamp;
}
/**
* Set the Not Before (nbf) claim.
*
* @return int
*/
public function nbf()
{
return Utils::now()->timestamp;
}
/**
* Set a unique id (jti) for the token.
*
* @return string
*/
protected function jti()
{
return Str::random();
}
/**
* Set the token ttl (in minutes).
*
* @param int $ttl
* @return $this
*/
public function setTTL($ttl)
{
$this->ttl = $ttl;
return $this;
}
/**
* Get the token ttl.
*
* @return int
*/
public function getTTL()
{
return $this->ttl;
}
/**
* Set the refresh flow.
*
* @param bool $refreshFlow
* @return $this
*/
public function setRefreshFlow($refreshFlow = true)
{
$this->refreshFlow = $refreshFlow;
return $this;
}
/**
* Magically add a claim.
*
* @param string $method
* @param array $parameters
* @return PayloadFactory
* @throws \BadMethodCallException
*/
public function __call($method, $parameters)
{
$this->addClaim($method, $parameters[0]);
return $this;
}
}
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