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<?php |
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/** |
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* ================================== |
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* Responsible PHP API |
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* ================================== |
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* |
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* @link Git https://github.com/vince-scarpa/responsibleAPI.git |
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* |
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* @api Responible API |
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* @package responsible\core\encoder |
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* |
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* @author Vince scarpa <[email protected]> |
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* |
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*/ |
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namespace responsible\core\encoder; |
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class cipher |
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{ |
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/** |
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* [jsonEncode] |
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* @param array $stdArray |
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* Array to encode |
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* @return string |
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*/ |
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public function jsonEncode(array $stdArray) |
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{ |
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return json_encode($stdArray); |
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} |
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/** |
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* [jsonDecode] |
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* @param string $jsonString |
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* String to decode |
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* @return array |
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*/ |
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public function jsonDecode($jsonString) |
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{ |
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return json_decode($jsonString, true, 512, JSON_BIGINT_AS_STRING); |
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} |
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/** |
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* [encode] |
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* @param string $stdString |
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* @return string |
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*/ |
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public function encode($stdString) |
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{ |
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return $this->toBase64(base64_encode($stdString)); |
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} |
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/** |
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* [decode] |
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* @param string $toDecode |
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* @return string |
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*/ |
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public function decode($toDecode) |
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{ |
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return (string) base64_decode( |
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$this->padDecode($toDecode), |
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true |
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); |
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} |
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/** |
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* [toBase64Url] |
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* @param string $base64 |
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* @return string |
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*/ |
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private function toBase64($base64) |
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{ |
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return str_replace(['+', '/', '='], ['-', '_', ''], $base64); |
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} |
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/** |
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* [hash] |
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* @return string |
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*/ |
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public function hash($algo, $stdString, $secret) |
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{ |
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return hash_hmac($algo, $stdString, $secret, true); |
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} |
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/** |
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* [hash_compare Compare two hashed strings] |
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* @param string $a |
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* Known user hash |
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* @param string $b |
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* Unknown user hash |
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* @return boolean |
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*/ |
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public function hashCompare($a, $b) |
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{ |
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$len = strlen($a); |
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if ($len !== strlen($b)) { |
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return false; |
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} |
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$status = 0; |
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for ($i = 0; $i < $len; $i++) { |
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$status |= ord($a[$i]) ^ ord($b[$i]); |
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} |
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return $status === 0; |
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} |
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/** |
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* [padDecode] |
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* @param string $base64String |
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*/ |
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private function padDecode($base64String) |
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{ |
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if (strlen($base64String) % 4 !== 0) { |
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return $this->padDecode($base64String . '='); |
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} |
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return $base64String; |
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} |
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} |
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vince-scarpa /
responsibleAPI
