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<?php |
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declare(strict_types=1); |
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namespace Yansongda\Pay\Plugin\Wechat; |
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use Closure; |
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use Throwable; |
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use Yansongda\Pay\Contract\PluginInterface; |
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use Yansongda\Pay\Exception\ContainerException; |
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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\InvalidParamsException; |
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use Yansongda\Pay\Exception\ServiceNotFoundException; |
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use Yansongda\Pay\Logger; |
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use Yansongda\Pay\Rocket; |
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use Yansongda\Supports\Collection; |
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use Yansongda\Supports\Str; |
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use function Yansongda\Pay\get_public_cert; |
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use function Yansongda\Pay\get_wechat_body; |
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use function Yansongda\Pay\get_wechat_config; |
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use function Yansongda\Pay\get_wechat_method; |
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use function Yansongda\Pay\get_wechat_sign; |
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use function Yansongda\Pay\get_wechat_url; |
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class AddPayloadSignaturePlugin implements PluginInterface |
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{ |
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/** |
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* @throws ContainerException |
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* @throws InvalidConfigException |
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* @throws InvalidParamsException |
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* @throws ServiceNotFoundException |
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* @throws Throwable 随机数生成失败 |
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*/ |
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public function assembly(Rocket $rocket, Closure $next): Rocket |
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{ |
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Logger::debug('[Wechat][AddPayloadSignaturePlugin] 插件开始装载', ['rocket' => $rocket]); |
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$config = get_wechat_config($rocket->getParams()); |
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$payload = $rocket->getPayload(); |
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$timestamp = time(); |
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$random = Str::random(32); |
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$signContent = $this->getSignatureContent($config, $payload, $timestamp, $random); |
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$signature = $this->getSignature($config, $timestamp, $random, $signContent); |
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$rocket->mergePayload(['_authorization' => $signature]); |
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Logger::info('[Wechat][AddPayloadSignaturePlugin] 插件装载完毕', ['rocket' => $rocket]); |
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return $next($rocket); |
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} |
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/** |
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* @throws InvalidParamsException |
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*/ |
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protected function getSignatureContent(array $config, ?Collection $payload, int $timestamp, string $random): string |
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{ |
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$url = get_wechat_url($config, $payload); |
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$urlPath = parse_url($url, PHP_URL_PATH); |
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$urlQuery = parse_url($url, PHP_URL_QUERY); |
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return get_wechat_method($payload)."\n". |
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$urlPath.(empty($urlQuery) ? '' : '?'.$urlQuery)."\n". |
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$timestamp."\n". |
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$random."\n". |
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get_wechat_body($payload)."\n"; |
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} |
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/** |
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* @throws InvalidConfigException |
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*/ |
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protected function getSignature(array $config, int $timestamp, string $random, string $contents): string |
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{ |
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$mchPublicCertPath = $config['mch_public_cert_path'] ?? null; |
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if (empty($mchPublicCertPath)) { |
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throw new InvalidConfigException(Exception::CONFIG_WECHAT_INVALID, '配置异常: 缺少微信配置 -- [mch_public_cert_path]'); |
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} |
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$ssl = openssl_x509_parse(get_public_cert($mchPublicCertPath)); |
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if (empty($ssl['serialNumberHex'])) { |
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throw new InvalidConfigException(Exception::CONFIG_WECHAT_INVALID, '配置异常: 解析微信配置 [mch_public_cert_path] 出错'); |
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} |
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$auth = sprintf( |
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'mchid="%s",nonce_str="%s",timestamp="%d",serial_no="%s",signature="%s"', |
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$config['mch_id'] ?? '', |
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$random, |
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$timestamp, |
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$ssl['serialNumberHex'], |
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get_wechat_sign($config, $contents), |
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); |
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return 'WECHATPAY2-SHA256-RSA2048 '.$auth; |
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} |
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} |
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yansongda /
pay
