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<?php |
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declare(strict_types=1); |
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namespace Yansongda\Pay\Plugin\Alipay; |
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use Closure; |
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use Yansongda\Pay\Contract\PluginInterface; |
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use Yansongda\Pay\Exception\InvalidConfigException; |
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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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class SignPlugin implements PluginInterface |
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{ |
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/** |
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* @throws \Yansongda\Pay\Exception\ContainerDependencyException |
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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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public function assembly(Rocket $rocket, Closure $next): Rocket |
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{ |
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$this->filterPayload($rocket); |
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$privateKey = $this->getPrivateKey($rocket->getParams()); |
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openssl_sign($this->getSignContent($rocket->getPayload()), $sign, $privateKey, OPENSSL_ALGO_SHA256); |
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$sign = base64_encode($sign); |
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!is_resource($privateKey) ?: openssl_free_key($privateKey); |
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$rocket->mergePayload(['sign' => $sign]); |
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return $next($rocket); |
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} |
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protected function filterPayload(Rocket $rocket): void |
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{ |
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$payload = $rocket->getPayload()->filter(function ($v, $k) { |
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return '' !== $v && !is_null($v) && 'sign' != $k; |
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}); |
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$contents = array_filter($payload->get('biz_content', []), function ($v, $k) { |
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return !Str::startsWith($k, '_'); |
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}, ARRAY_FILTER_USE_BOTH); |
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$rocket->setPayload( |
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$payload->merge(['biz_content' => json_encode($contents)]) |
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); |
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} |
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/** |
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* @throws \Yansongda\Pay\Exception\ContainerDependencyException |
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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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* @return false|resource|string |
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*/ |
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protected function getPrivateKey(array $params) |
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{ |
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$privateKey = get_alipay_config($params)->get('app_secret_cert'); |
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if (is_null($privateKey)) { |
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throw new InvalidConfigException(InvalidConfigException::ALIPAY_CONFIG_ERROR, 'Missing Alipay Config -- [app_secret_cert]'); |
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} |
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return get_public_crt_or_private_cert($privateKey); |
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} |
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protected function getSignContent(Collection $payload): string |
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{ |
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return $payload->sortKeys()->toString(); |
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} |
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} |
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yansongda /
pay
