Your IP : 216.73.216.134
<?php
/**
* @package RSForm! Pro
* @copyright (C) 2007-2014 www.rsjoomla.com
* @license GPL, http://www.gnu.org/copyleft/gpl.html
*/
// no direct access
defined( '_JEXEC' ) or die( 'Restricted access' );
class RSFormProValidations
{
public static function none($value,$extra=null,$data=null)
{
return true;
}
public static function alpha($param,$extra=null,$data=null)
{
if(strpos($param,"\n") !== false)
$param = str_replace(array("\r","\n"),'',$param);
for($i=0;$i<strlen($param);$i++)
if(strpos($extra,$param[$i]) === false && preg_match('#([^a-zA-Z ])#', $param[$i]))
return false;
return true;
}
public static function numeric($param,$extra=null,$data=null)
{
if(strpos($param,"\n") !== false)
$param = str_replace(array("\r","\n"),'',$param);
for($i=0;$i<strlen($param);$i++)
if (strpos($extra,$param[$i]) === false && !is_numeric($param[$i]))
return false;
return true;
}
public static function alphanumeric($param,$extra = null,$data=null)
{
if(strpos($param,"\n") !== false)
$param = str_replace(array("\r","\n"),'',$param);
for($i=0;$i<strlen($param);$i++)
if(strpos($extra,$param[$i]) === false && preg_match('#([^a-zA-Z0-9 ])#', $param[$i]))
return false;
return true;
}
public static function alphaaccented($value, $extra=null, $data=null) {
if (preg_match('#[^[:alpha:] ]#u', $value)) {
return false;
}
return true;
}
public static function alphanumericaccented($value, $extra=null, $data=null) {
if (preg_match('#[^[:alpha:]0-9 ]#u', $value)) {
return false;
}
return true;
}
public static function email($email,$extra=null,$data=null)
{
jimport('joomla.mail.helper');
$email = trim($email);
return JMailHelper::isEmailAddress($email);
}
public static function emaildns($email,$extra=null,$data=null)
{
// Check if it's an email address format
if (!RSFormProValidations::email($email,$extra,$data))
return false;
$email = trim($email);
list($user, $domain) = explode('@', $email, 2);
// checkdnsrr for PHP < 5.3.0
if (!function_exists('checkdnsrr') && function_exists('exec') && is_callable('exec'))
{
@exec('nslookup -type=MX '.escapeshellcmd($domain), $output);
foreach($output as $line)
if (preg_match('/^'.preg_quote($domain).'/',$line))
return true;
return false;
}
// fallback method...
if (!function_exists('checkdnsrr') || !is_callable('checkdnsrr'))
return true;
return checkdnsrr($domain, substr(PHP_OS, 0, 3) == 'WIN' ? 'A' : 'MX');
}
public static function uniquefield($value, $extra=null,$data=null)
{
$db = JFactory::getDBO();
$form = JRequest::getVar('form');
$formId = (int) @$form['formId'];
$db->setQuery("SELECT `SubmissionValueId` FROM #__rsform_submission_values WHERE FormId='".$formId."' AND `FieldName`='".$db->escape($data['NAME'])."' AND `FieldValue`='".$db->escape($value)."'");
return $db->loadResult() ? false : true;
}
public static function uniquefielduser($value, $extra=null,$data=null)
{
$db = JFactory::getDBO();
$form = JRequest::getVar('form');
$formId = (int) @$form['formId'];
$user = JFactory::getUser();
$db->setQuery("SELECT sv.`SubmissionValueId` FROM #__rsform_submission_values sv LEFT JOIN #__rsform_submissions s ON (sv.SubmissionId=s.SubmissionId) WHERE sv.FormId='".$formId."' AND sv.`FieldName`='".$db->escape($data['NAME'])."' AND sv.`FieldValue`='".$db->escape($value)."' AND (".($user->get('guest') ? "s.`UserIp`='".$db->escape($_SERVER['REMOTE_ADDR'])."'" : "s.`UserId`='".(int) $user->get('id')."'").")");
return $db->loadResult() ? false : true;
}
public static function uszipcode($value)
{
return preg_match("/^([0-9]{5})(-[0-9]{4})?$/i",$value);
}
public static function phonenumber($value)
{
return preg_match("/\(?\b[0-9]{3}\)?[-. ]?[0-9]{3}[-. ]?[0-9]{4}\b/i", $value);
}
public static function creditcard($value,$extra=null,$data=null)
{
$value = preg_replace ('/[^0-9]+/', '', $value);
if (!$value)
return false;
if (preg_match("/^([34|37]{2})([0-9]{13})$/", $value) && self::luhn($value)) // Amex
return true;
if (preg_match("/^([30|36|38]{2})([0-9]{12})$/", $value) && self::luhn($value)) // Diners
return true;
if (preg_match("/^(?:6(?:011|5[0-9][0-9])[0-9]{12})$/", $value) && self::luhn($value)) // Discover
return true;
if (preg_match("/^([51|52|53|54|55]{2})([0-9]{14})$/", $value) && self::luhn($value)) // Master
return true;
if (preg_match("/^([4]{1})([0-9]{12,15})$/", $value) && self::luhn($value)) // Visa
return true;
return false;
}
public static function custom($param,$extra=null,$data=null)
{
if(strpos($param,"\n") !== FALSE)
$param = str_replace(array("\r","\n"),'',$param);
for($i=0;$i<strlen($param);$i++)
if(strpos($extra,$param[$i]) === false)
return false;
return true;
}
public static function password($param,$extra=null,$data=null)
{
if ($data['DEFAULTVALUE'] == $param)
return true;
return false;
}
public static function ipaddress($param,$extra=null,$data=null)
{
return preg_match('#\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b#', $param, $match);
}
public static function validurl($param,$extra=null,$data=null)
{
$format =
'/^(https?):\/\/'. // protocol
'(([a-z0-9$_\.\+!\*\'\(\),;\?&=-]|%[0-9a-f]{2})+'. // username
'(:([a-z0-9$_\.\+!\*\'\(\),;\?&=-]|%[0-9a-f]{2})+)?'. // password
'@)?(?#'. // auth requires @
')((([a-z0-9][a-z0-9-]*[a-z0-9]\.)*'. // domain segments AND
'[a-z][a-z0-9-]*[a-z0-9]'. // top level domain OR
'|((\d|[1-9]\d|1\d{2}|2[0-4][0-9]|25[0-5])\.){3}'.
'(\d|[1-9]\d|1\d{2}|2[0-4][0-9]|25[0-5])'. // IP address
')(:\d+)?'. // port
')(((\/+([a-z0-9$_\.\+!\*\'\(\),;:@&=-]|%[0-9a-f]{2})*)*'. // path
'(\?([a-z0-9$_\.\+!\*\'\(\),;:@&=-]|%[0-9a-f]{2})*)'. // query string
'?)?)?'. // path and query string optional
'(#([a-z0-9$_\.\+!\*\'\(\),;:@&=-]|%[0-9a-f]{2})*)?'. // fragment
'$/i';
return preg_match($format, $param, $match);
}
public static function regex($value,$pattern=null,$data=null) {
return preg_match($pattern, $value);
}
public static function sameas($value, $secondField, $data) {
$valid = false;
$form = JRequest::getVar('form');
if (isset($form[$secondField])) {
$secondValue = is_array($form[$secondField]) ? implode('', $form[$secondField]) : $form[$secondField];
if ($value == $secondValue) {
$valid = true;
}
}
return $valid;
}
protected static function luhn($value) {
$sum = 0;
$odd = strlen($value) % 2;
// Calculate sum of digits.
for($i = 0; $i < strlen($value); $i++) {
$sum += $odd ? $value[$i] : (($value[$i] * 2 > 9) ? $value[$i] * 2 - 9 : $value[$i] * 2);
$odd = !$odd;
}
// Check validity.
return ($sum % 10 == 0) ? true : false;
}
}