<?php declare(strict_types=1); namespace Yansongda\Pay\Plugin\Alipay; use Closure; use Yansongda\Pay\Contract\PluginInterface; use Yansongda\Pay\Exception\ContainerException; use Yansongda\Pay\Exception\Exception; use Yansongda\Pay\Exception\InvalidConfigException; use Yansongda\Pay\Exception\InvalidResponseException; use Yansongda\Pay\Exception\ServiceNotFoundException; use Yansongda\Pay\Logger; use Yansongda\Pay\Rocket; use Yansongda\Supports\Collection; use function Yansongda\Pay\should_do_http_request; use function Yansongda\Pay\verify_alipay_sign; class LaunchPlugin implements PluginInterface { /** * @throws ContainerException * @throws InvalidConfigException * @throws InvalidResponseException * @throws ServiceNotFoundException */ public function assembly(Rocket $rocket, Closure $next): Rocket { /* @var Rocket $rocket */ $rocket = $next($rocket); Logger::debug('[alipay][LaunchPlugin] 插件开始装载', ['rocket' => $rocket]); if (should_do_http_request($rocket->getDirection())) { $response = Collection::wrap($rocket->getDestination()); $result = $response->get($this->getResultKey($rocket->getPayload())); $this->verifySign($rocket->getParams(), $response, $result); $rocket->setDestination(Collection::wrap($result)); } Logger::info('[alipay][LaunchPlugin] 插件装载完毕', ['rocket' => $rocket]); return $rocket; } /** * @throws ContainerException * @throws InvalidConfigException * @throws InvalidResponseException * @throws ServiceNotFoundException */ protected function verifySign(array $params, Collection $response, ?array $result): void { $sign = $response->get('sign', ''); if ('' === $sign || is_null($result)) { throw new InvalidResponseException(Exception::INVALID_RESPONSE_SIGN, 'Verify Alipay Response Sign Failed: sign is empty', $response); } verify_alipay_sign($params, json_encode($result, JSON_UNESCAPED_UNICODE), $sign); } protected function getResultKey(Collection $payload): string { $method = $payload->get('method'); return str_replace('.', '_', $method).'_response'; } }