<?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\Http\Parser;
use Illuminate\Http\Request;
class Parser
{
/**
* The chain.
*
* @var array
*/
private $chain;
/**
* The request.
*
* @var \Illuminate\Http\Request
*/
protected $request;
/**
* Constructor.
*
* @param \Illuminate\Http\Request $request
* @param array $chain
* @return void
*/
public function __construct(Request $request, array $chain = [])
{
$this->request = $request;
$this->chain = $chain;
}
/**
* Get the parser chain.
*
* @return array
*/
public function getChain()
{
return $this->chain;
}
/**
* Add a new parser to the chain.
*
* @param array|\Tymon\JWTAuth\Contracts\Http\Parser $parsers
* @return $this
*/
public function addParser($parsers)
{
$this->chain = array_merge($this->chain, is_array($parsers) ? $parsers : [$parsers]);
return $this;
}
/**
* Set the order of the parser chain.
*
* @param array $chain
* @return $this
*/
public function setChain(array $chain)
{
$this->chain = $chain;
return $this;
}
/**
* Alias for setting the order of the chain.
*
* @param array $chain
* @return $this
*/
public function setChainOrder(array $chain)
{
return $this->setChain($chain);
}
/**
* Iterate through the parsers and attempt to retrieve
* a value, otherwise return null.
*
* @return string|null
*/
public function parseToken()
{
foreach ($this->chain as $parser) {
if ($response = $parser->parse($this->request)) {
return $response;
}
}
}
/**
* Check whether a token exists in the chain.
*
* @return bool
*/
public function hasToken()
{
return $this->parseToken() !== null;
}
/**
* Set the request instance.
*
* @param \Illuminate\Http\Request $request
* @return $this
*/
public function setRequest(Request $request)
{
$this->request = $request;
return $this;
}
}