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<?php |
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declare(strict_types=1); |
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namespace Yansongda\Pay\Plugin\Wechat\Pay\Common; |
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use Closure; |
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use Yansongda\Pay\Contract\PluginInterface; |
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use Yansongda\Pay\Exception\Exception; |
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use Yansongda\Pay\Exception\InvalidConfigException; |
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use Yansongda\Pay\Exception\InvalidResponseException; |
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use function Yansongda\Pay\get_wechat_config; |
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use Yansongda\Pay\Logger; |
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use Yansongda\Pay\Pay; |
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use Yansongda\Pay\Rocket; |
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use Yansongda\Supports\Collection; |
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use Yansongda\Supports\Config; |
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use Yansongda\Supports\Str; |
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class InvokePrepayV2Plugin implements PluginInterface |
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{ |
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/** |
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* @throws \Yansongda\Pay\Exception\ContainerException |
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* @throws \Yansongda\Pay\Exception\InvalidResponseException |
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* @throws \Yansongda\Pay\Exception\ServiceNotFoundException |
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* @throws \Exception |
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*/ |
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public function assembly(Rocket $rocket, Closure $next): Rocket |
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{ |
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/* @var Rocket $rocket */ |
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$rocket = $next($rocket); |
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Logger::debug('[wechat][InvokePrepayPlugin] 插件开始装载', ['rocket' => $rocket]); |
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$prepayId = $rocket->getDestination()->get('prepay_id'); |
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if (is_null($prepayId)) { |
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Logger::error('[wechat][InvokePrepayPlugin] 预下单失败：响应缺少 prepay_id 参数，请自行检查参数是否符合微信要求', $rocket->getDestination()->all()); |
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throw new InvalidResponseException(Exception::RESPONSE_MISSING_NECESSARY_PARAMS, 'Prepay Response Error: Missing PrepayId', $rocket->getDestination()->all()); |
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} |
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$config = $this->getInvokeConfig($rocket, $prepayId); |
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$rocket->setDestination($config); |
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Logger::info('[wechat][InvokePrepayPlugin] 插件装载完毕', ['rocket' => $rocket]); |
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return $rocket; |
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} |
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/** |
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* @throws \Yansongda\Pay\Exception\ContainerException |
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* @throws \Yansongda\Pay\Exception\InvalidConfigException |
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* @throws \Yansongda\Pay\Exception\ServiceNotFoundException |
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*/ |
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protected function getSign(Collection $invokeConfig, array $params): string |
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{ |
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$secret = get_wechat_config($params)['mch_secret_key_v2'] ?? null; |
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if (empty($secret)) { |
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throw new InvalidConfigException(Exception::WECHAT_CONFIG_ERROR, 'Missing Wechat Config -- [mch_secret_key_v2]'); |
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} |
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$data = $invokeConfig->toArray(); |
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ksort($data); |
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$contents = implode('&', $data).'&key='.$secret; |
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return md5($contents); |
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} |
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/** |
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* @throws \Yansongda\Pay\Exception\ContainerException |
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* @throws \Yansongda\Pay\Exception\ServiceNotFoundException |
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* @throws \Exception |
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*/ |
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protected function getInvokeConfig(Rocket $rocket, string $prepayId): Config |
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{ |
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$config = new Config([ |
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'appId' => $this->getAppId($rocket), |
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'timeStamp' => time().'', |
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'nonceStr' => Str::random(32), |
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'package' => 'prepay_id='.$prepayId, |
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'signType' => 'MD5', |
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]); |
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$config->set('paySign', $this->getSign($config, $rocket->getParams())); |
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return $config; |
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} |
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/** |
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* @throws \Yansongda\Pay\Exception\ContainerException |
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* @throws \Yansongda\Pay\Exception\ServiceNotFoundException |
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*/ |
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protected function getAppId(Rocket $rocket): string |
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{ |
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$config = get_wechat_config($rocket->getParams()); |
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$payload = $rocket->getPayload(); |
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if (Pay::MODE_SERVICE === ($config['mode'] ?? null) && $payload->has('sub_appid')) { |
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return $payload->get('sub_appid', ''); |
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} |
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return $config[$this->getConfigKey()] ?? ''; |
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} |
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protected function getConfigKey(): string |
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{ |
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return 'mp_app_id'; |
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} |
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} |
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yansongda /
pay
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