Erkan IŞIK
170 lines
4.0 KiB
PHP
170 lines
4.0 KiB
PHP
<?php namespace ZN\Validation\CreditCard;
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/**
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* ZN PHP Web Framework
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*
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* "Simplicity is the ultimate sophistication." ~ Da Vinci
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*
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* @package ZN
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* @license MIT [http://opensource.org/licenses/MIT]
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* @author Ozan UYKUN [ozan@znframework.com]
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*/
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class Validator implements ValidatorInterface
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{
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/**
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* Is valid card
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*
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* @param string $number
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* @param string $type = NULL
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*
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* @return bool
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*/
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public static function card(string $number, ?string $type = NULL) : bool
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{
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$number = preg_replace('/[^0-9]/', '', $number);
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if( empty($type) )
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{
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$type = self::creditCardType($number);
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}
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if( (self::getCardFormats()[$type] ?? NULL) && self::validCard($number, $type) )
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{
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return true;
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}
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return false;
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}
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/**
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* Is valid cvc
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*
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* @param string $cvc
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* @param string $type
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*/
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public static function cvc(string $cvc, ?string $type = NULL) : bool
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{
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return ctype_digit($cvc) && (self::getCardFormats()[$type] ?? NULL) && self::validCvcLength($cvc, $type);
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}
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/**
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* Is valid date
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*
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* @param string $year
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* @param string $month
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*
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* @return bool
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*/
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public static function date(string $year, string $month) : bool
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{
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$month = str_pad($month, 2, '0', STR_PAD_LEFT);
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if
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(
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! preg_match('/^20\d\d$/', $year) ||
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! preg_match('/^(0[1-9]|1[0-2])$/', $month) ||
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( $year < date('Y') || ($year <= date('Y') && $month < date('m')) )
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)
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{
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return false; // @codeCoverageIgnore
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}
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return true;
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}
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/**
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* Protected credit card type
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*
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* @param string $number
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*
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* @return string
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*/
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protected static function creditCardType(string $number) : string
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{
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foreach( self::getCardFormats() as $type => $card )
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{
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if( preg_match($card['pattern'], $number) )
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{
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return $type;
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}
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}
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return ''; // @codeCoverageIgnore
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}
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/**
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* Protected valid card
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*
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* @param string $number
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* @param string $type
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*
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* @return string
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*/
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protected static function validCard(string $number, ?string $type = NULL) : bool
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{
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return self::validCardFormat($number, $type) && self::validCardNumberLength($number, $type) && self::validLuhnAlgorithm($number, $type);
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}
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/**
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* Protected valid card pattern
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*
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* @param string $number
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* @param string $type
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*
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* @return bool
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*/
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protected static function validCardFormat($number, $type) : bool
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{
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return preg_match(self::getCardFormats()[$type]['pattern'], $number ?? '');
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}
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/**
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* Protected valid card number length
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*
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* @param string $number
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* @param string $type
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*
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* @return bool
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*/
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protected static function validCardNumberLength($number, ?string $type = NULL, $function = 'length') : bool
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{
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return in_array(strlen($number ?? ''), self::getCardFormats()[$type][$function]);
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}
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/**
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* Protected valid cvc length
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*
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* @param int $cvc
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* @param string $type
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*
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* @return bool
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*/
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protected static function validCvcLength($cvc, ?string $type = NULL) : bool
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{
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return self::validCardNumberLength($cvc, $type, 'cvcLength');
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}
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/**
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* Protected valid luhn algorithm
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*
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* @param string $number
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* @param string $type
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*
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* @return bool
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*/
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protected static function validLuhnAlgorithm(string $number, ?string $type = NULL) : bool
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{
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return self::getCardFormats()[$type]['luhn'] ? LuhnAlgorithm::check($number) : true;
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}
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/**
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* Protected get card formats
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*
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* @return array
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*/
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protected static function getCardFormats() : array
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{
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return Formats::getList();
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}
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}
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