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<?php |
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/* |
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* This file is part of the wannanbigpig/alipay-sdk-php. |
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* |
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* (c) wannanbigpig <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace EasyAlipay\Kernel\Traits; |
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use EasyAlipay\Kernel\Exceptions\InvalidSignException; |
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use WannanBigPig\Supports\Exceptions\InvalidArgumentException; |
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/** |
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* Class Helpers |
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* |
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* @author liuml <[email protected]> |
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* @DateTime 2019-07-18 17:00 |
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*/ |
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trait Helpers |
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{ |
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/** |
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* generateSign. |
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* |
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* @param $data |
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* @param string $signType |
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* |
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* @return string |
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* |
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* @throws \WannanBigPig\Supports\Exceptions\InvalidArgumentException |
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*/ |
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public function generateSign($data, $signType = 'RSA2') |
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{ |
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return $this->sign($this->getSignContent($data), $signType); |
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} |
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/** |
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* getSignContent. |
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* |
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* @param $params |
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* |
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* @return string |
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*/ |
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public function getSignContent($params) |
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{ |
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ksort($params); |
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$stringToBeSigned = ""; |
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$i = 0; |
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foreach ($params as $k => $v) { |
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if (false === $this->checkEmpty($v) && "@" !== substr($v, 0, 1)) { |
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if ($i === 0) { |
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$stringToBeSigned .= "$k"."="."$v"; |
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} else { |
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$stringToBeSigned .= "&"."$k"."="."$v"; |
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} |
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$i++; |
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} |
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} |
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unset($k, $v); |
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return $stringToBeSigned; |
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} |
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/** |
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* This method does URLEncode for values. |
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* |
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* @param $params |
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* |
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* @return string |
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*/ |
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public function getSignContentUrlencode($params) |
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{ |
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ksort($params); |
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$stringToBeSigned = ""; |
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$i = 0; |
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foreach ($params as $k => $v) { |
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if (false === $this->checkEmpty($v) && "@" !== substr($v, 0, 1)) { |
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if ($i === 0) { |
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$stringToBeSigned .= "$k"."=".urlencode($v); |
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} else { |
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$stringToBeSigned .= "&"."$k"."=".urlencode($v); |
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} |
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$i++; |
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} |
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} |
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unset($k, $v); |
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return $stringToBeSigned; |
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} |
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/** |
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* sign. |
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* |
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* @param $data |
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* @param string $signType |
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* |
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* @return string |
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* |
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* @throws \WannanBigPig\Supports\Exceptions\InvalidArgumentException |
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*/ |
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protected function sign($data, $signType = "RSA2") |
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{ |
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$rsaPrivateKeyFilePath = $this->app['config']->get('private_key_path'); |
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if ($this->checkEmpty($rsaPrivateKeyFilePath)) { |
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$priKey = $this->app['config']['private_key']; |
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$priKey = "-----BEGIN RSA PRIVATE KEY-----\n". |
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wordwrap($priKey, 64, "\n", true). |
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"\n-----END RSA PRIVATE KEY-----"; |
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} else { |
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$priKey = file_get_contents($rsaPrivateKeyFilePath); |
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} |
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$res = openssl_get_privatekey($priKey); |
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if ($res === false) { |
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throw new InvalidArgumentException('Invalid private_key configuration'); |
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} |
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if ("RSA2" === $signType) { |
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openssl_sign($data, $sign, $res, OPENSSL_ALGO_SHA256); |
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} else { |
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openssl_sign($data, $sign, $res); |
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} |
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// Release resources |
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openssl_free_key($res); |
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return base64_encode($sign); |
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} |
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/** |
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* checkEmpty. |
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* |
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* @param $value |
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* |
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* @return bool |
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*/ |
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protected function checkEmpty($value) |
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{ |
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if ($value === null) { |
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return true; |
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} |
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if (is_string($value)) { |
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if (trim($value) === "") { |
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return true; |
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} |
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} elseif (is_array($value)) { |
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if (count($value) < 1) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* parserSignSource. |
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* |
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* @param array $response |
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* @param string|null $apiMethod |
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* |
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* @return array|mixed |
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*/ |
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public function parserSignSource(array $response, string $apiMethod = null) |
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{ |
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$response_suffix = '_response'; |
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$error_respones = 'error_response'; |
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$apiMethod = $this->app['config']['api_method'] ?? $apiMethod; |
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$rootNodeName = str_replace(".", "_", $apiMethod).$response_suffix; |
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if (isset($response[$rootNodeName])) { |
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return $response[$rootNodeName]; |
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} elseif (isset($response[$error_respones])) { |
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return $response[$error_respones]; |
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} else { |
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return $response; |
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} |
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} |
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/** |
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* verify sign. |
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* |
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* @param string $data |
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* @param $sign |
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* @param string $signType |
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* |
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* @return bool |
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* |
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* @throws \WannanBigPig\Supports\Exceptions\InvalidArgumentException |
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*/ |
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public function verify(string $data, $sign, $signType = 'RSA2') |
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{ |
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$alipayPublicKeyPath = $this->app['config']->get('alipay_public_Key_path'); |
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if ($this->checkEmpty($alipayPublicKeyPath)) { |
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$pubKey = $this->app['config']->get('alipay_public_Key'); |
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$pubKey = "-----BEGIN PUBLIC KEY-----\n". |
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wordwrap($pubKey, 64, "\n", true). |
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"\n-----END PUBLIC KEY-----"; |
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} else { |
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// Read public key file |
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$pubKey = file_get_contents($alipayPublicKeyPath); |
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} |
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// Convert to openssl format key |
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$res = openssl_get_publickey($pubKey); |
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if ($res === false) { |
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throw new InvalidArgumentException('Invalid alipay_public_Key configuration'); |
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} |
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// Call openssl built-in method checksum, return bool value |
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if ("RSA2" === $signType) { |
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$result = (openssl_verify($data, base64_decode($sign, true), $res, OPENSSL_ALGO_SHA256) === 1); |
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} else { |
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$result = (openssl_verify($data, base64_decode($sign, true), $res) === 1); |
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} |
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// Release resources |
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openssl_free_key($res); |
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return $result; |
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} |
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/** |
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* checkResponseSign. |
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* |
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* @param $content |
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* @param string|null $sign |
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* |
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* @return bool |
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* |
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* @throws \EasyAlipay\Kernel\Exceptions\InvalidSignException |
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* @throws \WannanBigPig\Supports\Exceptions\InvalidArgumentException |
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*/ |
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public function checkResponseSign($content, string $sign = null) |
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{ |
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if (!is_null($sign)) { |
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$result = $this->verify( |
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$content, |
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$sign, |
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$this->app['config']->get('sign_type', 'RSA2') |
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); |
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} else { |
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throw new InvalidSignException('check sign Fail! The reason : sign data is Empty', 0, $content); |
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} |
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if (!$result) { |
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throw new InvalidSignException(sprintf( |
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'"%s" method responds to parameter validation signature error', |
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$this->app['config']['api_method'] |
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)); |
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} |
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return $result; |
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} |
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} |
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wannanbigpig /
alipay-sdk-php
