Version 4.0.13.1

2025-12-19 04:57:54 -08:00
1 parent f9e857d255
commit c6a86f0d9b
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+<?php
+/**
+ * @brief		Credit card object
+ * @author		<a href='http://www.invisionpower.com'>Invision Power Services, Inc.</a>
+ * @copyright	(c) 2001 - SVN_YYYY Invision Power Services, Inc.
+ * @license		http://www.invisionpower.com/legal/standards/
+ * @package		IPS Social Suite
+ * @subpackage	Nexus
+ * @since		10 Mar 2014
+ * @version		SVN_VERSION_NUMBER
+ */
+
+namespace IPS\nexus;
+
+/* To prevent PHP errors (extending class does not exist) revealing path */
+if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
+{
+	header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
+	exit;
+}
+
+/**
+ * Credit card object
+ */
+class _CreditCard
+{
+	/** 
+	 * @brief	Card Number
+	 */
+	public $number;
+	
+	/** 
+	 * @brief	Last 4 numbers
+	 */
+	public $lastFour;
+	
+	/**
+	 * @brief	Type
+	 */
+	const TYPE_VISA = 'visa';
+	const TYPE_MASTERCARD = 'mastercard';
+	const TYPE_DISCOVER = 'discover';
+	const TYPE_AMERICAN_EXPRESS	= 'american_express';
+	const TYPE_DINERS_CLUB = 'diners_club';
+	const TYPE_JCB = 'jcb';
+	public $type;
+	
+	/** 
+	 * @brief	Expire Month
+	 */
+	public $expMonth;
+	
+	/** 
+	 * @brief	Expire Year
+	 */
+	public $expYear;
+	
+	/** 
+	 * @brief	Security Code
+	 */
+	public $ccv;
+	
+	/**
+	 * @brief	Save
+	 */
+	public $save;
+	
+	/**
+	 * Constructor
+	 *
+	 * @return	void
+	 */
+	public function __construct() {}
+	
+	/**
+	 * Create object
+	 *
+	 * @param	string		$cardNumber	Card Number
+	 * @param	int|string	$expMonth	Expire month
+	 * @param	int|string	$expYear	Expire year
+	 * @param	int|string	$ccv		Security Code
+	 * @param	bool		$save		If the card should be saved
+	 * @return	void
+	 * @throws	\InvalidArgumentException	Card number or expiry date is invalid
+	 * @throws	\DomainException			Expire date is in the past
+	 */
+	public static function build( $cardNumber, $expMonth, $expYear, $ccv, $save=FALSE )
+	{
+		$obj = new static;
+		
+		/* Work out card type */ 
+		$cardNumber = str_replace( array( ' ', '-' ), '', $cardNumber );
+		$obj->number = $cardNumber;
+		if ( preg_match( '/^4[0-9]{12}(?:[0-9]{3})?$/', $cardNumber ) )
+		{
+			$obj->type = static::TYPE_VISA;
+		}
+		elseif ( preg_match( '/^5[1-5][0-9]{14}$/', $cardNumber ) or /* Maestro */ preg_match( '/^(?:5[0678]\d\d|6304|6390|67\d\d)\d{8,15}$/', $cardNumber ) )
+		{
+			$obj->type = static::TYPE_MASTERCARD;
+		}
+		elseif ( preg_match( '/^3[47][0-9]{13}$/', $cardNumber ) )
+		{
+			$obj->type = static::TYPE_AMERICAN_EXPRESS;
+		}
+		elseif ( preg_match( '/^3(?:0[0-5]|[68][0-9])[0-9]{11}$/', $cardNumber ) )
+		{
+			$obj->type = static::TYPE_DINERS_CLUB;
+		}
+		elseif ( preg_match( '/^6(?:011|5[0-9]{2})[0-9]{12}$/', $cardNumber ) )
+		{
+			$obj->type = static::DISCOVER;
+		}
+		elseif ( preg_match( '/^(?:2131|1800|35\d{3})\d{11}$/', $cardNumber ) )
+		{
+			$obj->type = static::JCB;
+		}
+		else
+		{
+			throw new \InvalidArgumentException('card_number_invalid');
+		}
+		$obj->lastFour = mb_substr( $cardNumber, -4 );
+		
+		/* Check it with the Luhn algorithm */
+		$sumTable = array(
+			array(0,1,2,3,4,5,6,7,8,9),
+			array(0,2,4,6,8,1,3,5,7,9)
+		);
+		$sum = 0;
+		$flip = 0;
+		for ($i = \strlen( $cardNumber ) - 1; $i >= 0; $i--)
+		{
+			$sum += $sumTable[ $flip++ & 0x1 ][ $cardNumber[ $i ] ];
+		}
+		if( $sum % 10 !== 0 )
+		{
+			throw new \InvalidArgumentException('card_number_invalid');
+		}
+		
+		/* Check the expiry date */
+		$expMonth = intval( $expMonth );
+		if ( $expMonth < 0 or $expMonth > 12 )
+		{
+			throw new \InvalidArgumentException('card_month_invalid');
+		}
+		$obj->expMonth = str_pad( $expMonth, 2, '0', STR_PAD_LEFT );
+		$obj->expYear = intval( $expYear );
+		if ( mktime( 0, 0, 0, $expMonth, 1, $expYear ) < time() )
+		{
+			throw new \DomainException;
+		}
+		
+		/* Check the security code */
+		$obj->ccv = $ccv;
+		if ( $obj->type === static::TYPE_AMERICAN_EXPRESS )
+		{
+			if ( mb_strlen( $ccv ) !== 4 )
+			{
+				throw new \InvalidArgumentException('ccv_invalid_4');
+			}
+		}
+		elseif ( mb_strlen( $ccv ) !== 3 )
+		{
+			throw new \InvalidArgumentException('ccv_invalid_3');
+		}
+		
+		/* Should it be saved? */
+		if ( $save )
+		{
+			$obj->save = $save;
+		}
+		
+		
+		return $obj;
+	}
+}