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<?php |
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namespace Payment247\SDK; |
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class Signer |
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{ |
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protected $publicKey; |
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protected $privateKey; |
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public function __construct($publicKey, $privateKey) |
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{ |
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$this->publicKey = $publicKey; |
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$this->privateKey = $privateKey; |
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} |
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/** |
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* @param array $data |
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* |
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* @return array |
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*/ |
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public function sign(array $data) |
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{ |
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$data = array_merge($data, ['public_key' => $this->publicKey]); |
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$signature = $this->getSignature($data); |
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$data = array_merge($data, ['sign' => $signature]); |
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return $data; |
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} |
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/** |
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* @param array $data |
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* |
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* @return string |
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*/ |
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protected function getSignature(array $data) |
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{ |
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$baseString = json_encode($data).$this->privateKey; |
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return hash('sha256', $baseString); |
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} |
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/** |
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* @param array $data |
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* |
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* @return string |
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* @deprecated |
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*/ |
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protected function getSignatureOld(array $data) |
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{ |
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$baseString = $this->concatenateParams($data) . $this->privateKey; |
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return hash('sha256', $baseString); |
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} |
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/** |
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* @param array $data |
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* |
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* @return bool |
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*/ |
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public function checkSignature(array $data) |
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{ |
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$signature = $data['sign']; |
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unset($data['sign']); |
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return $this->getSignature($data) === $signature || |
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$this->getSignatureOld($data) === $signature; |
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} |
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/** |
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* @param array $data |
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* @param string $arrayKey |
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* @return string |
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*/ |
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protected function concatenateParams(array $data = [], $arrayKey = '') |
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{ |
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ksort($data); |
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$string = ''; |
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foreach ($data as $key => $value) { |
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$generatedArrayKey = empty($arrayKey) ? $key : ($arrayKey . '[' . $key . ']'); |
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if (is_array($value)) { |
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$string .= $this->concatenateParams($value, $generatedArrayKey); |
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} else { |
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$string .= $generatedArrayKey . '=' . $value; |
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} |
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} |
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return $string; |
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} |
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} |
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payment247 /
sdk
This method has been deprecated.