Notify.php
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<?php
/*
* This file is part of the overtrue/wechat.
*
* (c) overtrue <i@overtrue.me>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
/**
* Notify.php.
*
* @author overtrue <i@overtrue.me>
* @copyright 2015 overtrue <i@overtrue.me>
*
* @see https://github.com/overtrue
* @see http://overtrue.me
*/
namespace EasyWeChat\Payment;
use EasyWeChat\Core\Exceptions\FaultException;
use EasyWeChat\Support\Collection;
use EasyWeChat\Support\XML;
use Symfony\Component\HttpFoundation\Request;
/**
* Class Notify.
*/
class Notify
{
/**
* Merchant instance.
*
* @var \EasyWeChat\Payment\Merchant
*/
protected $merchant;
/**
* Request instance.
*
* @var \Symfony\Component\HttpFoundation\Request
*/
protected $request;
/**
* Payment notify (extract from XML).
*
* @var Collection
*/
protected $notify;
/**
* Constructor.
*
* @param Merchant $merchant
* @param Request $request
*/
public function __construct(Merchant $merchant, Request $request = null)
{
$this->merchant = $merchant;
$this->request = $request ?: Request::createFromGlobals();
}
/**
* Validate the request params.
*
* @return bool
*/
public function isValid($signkey)
{
$localSign = generate_sign($this->getNotify()->except('sign')->all(), $signkey, 'md5');
return $localSign === $this->getNotify()->get('sign');
}
/**
* Return the notify body from request.
*
* @return \EasyWeChat\Support\Collection
*
* @throws \EasyWeChat\Core\Exceptions\FaultException
*/
public function getNotify()
{
if (!empty($this->notify)) {
return $this->notify;
}
try {
$xml = XML::parse(strval($this->request->getContent()));
} catch (\Throwable $t) {
throw new FaultException('Invalid request XML: '.$t->getMessage(), 400);
} catch (\Exception $e) {
throw new FaultException('Invalid request XML: '.$e->getMessage(), 400);
}
if (!is_array($xml) || empty($xml)) {
throw new FaultException('Invalid request XML.', 400);
}
return $this->notify = new Collection($xml);
}
}