WebGateway.php
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<?php
namespace Yansongda\Pay\Gateways\Alipay;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Response;
use Yansongda\Pay\Events;
use Yansongda\Pay\Exceptions\InvalidArgumentException;
use Yansongda\Pay\Exceptions\InvalidConfigException;
use Yansongda\Pay\Gateways\Alipay;
class WebGateway extends Gateway
{
/**
* Pay an order.
*
* @author yansongda <me@yansongda.cn>
*
* @param string $endpoint
*
* @throws InvalidConfigException
* @throws InvalidArgumentException
*/
public function pay($endpoint, array $payload): Response
{
$biz_array = json_decode($payload['biz_content'], true);
$biz_array['product_code'] = $this->getProductCode();
$method = $biz_array['http_method'] ?? 'POST';
unset($biz_array['http_method']);
if ((Alipay::MODE_SERVICE === $this->mode) && (!empty(Support::getInstance()->pid))) {
$biz_array['extend_params'] = is_array($biz_array['extend_params']) ? array_merge(['sys_service_provider_id' => Support::getInstance()->pid], $biz_array['extend_params']) : ['sys_service_provider_id' => Support::getInstance()->pid];
}
$payload['method'] = $this->getMethod();
$payload['biz_content'] = json_encode($biz_array);
$payload['sign'] = Support::generateSign($payload);
Events::dispatch(new Events\PayStarted('Alipay', 'Web/Wap', $endpoint, $payload));
return $this->buildPayHtml($endpoint, $payload, $method);
}
/**
* Find.
*
* @author yansongda <me@yansongda.cn>
*
* @param $order
*/
public function find($order): array
{
return [
'method' => 'alipay.trade.query',
'biz_content' => json_encode(is_array($order) ? $order : ['out_trade_no' => $order]),
];
}
/**
* Build Html response.
*
* @author yansongda <me@yansongda.cn>
*
* @param string $endpoint
* @param array $payload
* @param string $method
*/
protected function buildPayHtml($endpoint, $payload, $method = 'POST'): Response
{
if ('GET' === strtoupper($method)) {
return new RedirectResponse($endpoint.'&'.http_build_query($payload));
}
$sHtml = "<form id='alipay_submit' name='alipay_submit' action='".$endpoint."' method='".$method."'>";
foreach ($payload as $key => $val) {
$val = str_replace("'", ''', $val);
$sHtml .= "<input type='hidden' name='".$key."' value='".$val."'/>";
}
$sHtml .= "<input type='submit' value='ok' style='display:none;'></form>";
$sHtml .= "<script>document.forms['alipay_submit'].submit();</script>";
return new Response($sHtml);
}
/**
* Get method config.
*
* @author yansongda <me@yansongda.cn>
*/
protected function getMethod(): string
{
return 'alipay.trade.page.pay';
}
/**
* Get productCode config.
*
* @author yansongda <me@yansongda.cn>
*/
protected function getProductCode(): string
{
return 'FAST_INSTANT_TRADE_PAY';
}
}