new pisilinux web sites

Internal/package-validation/CreditCard/Validator.php

@@ -0,0 +1,169 @@
+<?php namespace ZN\Validation\CreditCard;
+/**
+ * ZN PHP Web Framework
+ * 
+ * "Simplicity is the ultimate sophistication." ~ Da Vinci
+ * 
+ * @package ZN
+ * @license MIT [http://opensource.org/licenses/MIT]
+ * @author  Ozan UYKUN [ozan@znframework.com]
+ */
+
+class Validator implements ValidatorInterface
+{   
+    /**
+     * Is valid card
+     * 
+     * @param string $number
+     * @param string $type = NULL
+     * 
+     * @return bool
+     */
+    public static function card(string $number, ?string $type = NULL) : bool
+    {
+        $number = preg_replace('/[^0-9]/', '', $number);
+
+        if( empty($type) ) 
+        {
+            $type = self::creditCardType($number);
+        }
+
+        if( (self::getCardFormats()[$type] ?? NULL) && self::validCard($number, $type) ) 
+        {
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Is valid cvc
+     * 
+     * @param string $cvc
+     * @param string $type
+     */
+    public static function cvc(string $cvc, ?string $type = NULL) : bool
+    {
+        return ctype_digit($cvc) && (self::getCardFormats()[$type] ?? NULL) && self::validCvcLength($cvc, $type);
+    }
+
+    /**
+     * Is valid date
+     * 
+     * @param string $year
+     * @param string $month
+     * 
+     * @return bool
+     */
+    public static function date(string $year, string $month) : bool
+    {
+        $month = str_pad($month, 2, '0', STR_PAD_LEFT);
+
+        if
+        ( 
+            ! preg_match('/^20\d\d$/', $year)           || 
+            ! preg_match('/^(0[1-9]|1[0-2])$/', $month) ||
+            ( $year < date('Y') || ($year <= date('Y') && $month < date('m')) ) 
+        ) 
+        {
+            return false; // @codeCoverageIgnore
+        }
+
+        return true;
+    }
+
+    /**
+     * Protected credit card type
+     * 
+     * @param string $number
+     * 
+     * @return string
+     */
+    protected static function creditCardType(string $number) : string
+    {
+        foreach( self::getCardFormats() as $type => $card ) 
+        {
+            if( preg_match($card['pattern'], $number) ) 
+            {
+                return $type;
+            }
+        }
+
+        return ''; // @codeCoverageIgnore
+    }
+
+    /**
+     * Protected valid card
+     * 
+     * @param string $number
+     * @param string $type
+     * 
+     * @return string
+     */
+    protected static function validCard(string $number, ?string $type = NULL) : bool
+    {
+        return self::validCardFormat($number, $type) && self::validCardNumberLength($number, $type) && self::validLuhnAlgorithm($number, $type);
+    }
+    
+    /**
+     * Protected valid card pattern
+     * 
+     * @param string $number
+     * @param string $type
+     * 
+     * @return bool
+     */
+    protected static function validCardFormat($number, $type) : bool
+    {
+        return preg_match(self::getCardFormats()[$type]['pattern'], $number ?? '');
+    }
+
+    /**
+     * Protected valid card number length
+     * 
+     * @param string $number
+     * @param string $type
+     * 
+     * @return bool
+     */
+    protected static function validCardNumberLength($number, ?string $type = NULL, $function = 'length') : bool
+    {
+        return in_array(strlen($number ?? ''), self::getCardFormats()[$type][$function]);
+    }
+
+    /**
+     * Protected valid cvc length
+     * 
+     * @param int    $cvc
+     * @param string $type
+     * 
+     * @return bool
+     */
+    protected static function validCvcLength($cvc, ?string $type = NULL) : bool
+    {
+        return self::validCardNumberLength($cvc, $type, 'cvcLength');
+    }
+
+    /**
+     * Protected valid luhn algorithm
+     * 
+     * @param string $number
+     * @param string $type
+     * 
+     * @return bool
+     */
+    protected static function validLuhnAlgorithm(string $number, ?string $type = NULL) : bool
+    {
+        return self::getCardFormats()[$type]['luhn'] ? LuhnAlgorithm::check($number) : true;
+    }
+
+    /**
+     * Protected get card formats
+     * 
+     * @return array
+     */
+    protected static function getCardFormats() : array
+    {
+        return Formats::getList();
+    }
+}