<?php /** * Validation Class. Used for validation of model data * * PHP versions 4 and 5 * * CakePHP(tm) : Rapid Development Framework (http://cakephp.org) * Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org) * * Licensed under The MIT License * Redistributions of files must retain the above copyright notice. * * @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org) * @link http://cakephp.org CakePHP(tm) Project * @package cake * @subpackage cake.cake.libs * @since CakePHP(tm) v 1.2.0.3830 * @license MIT License (http://www.opensource.org/licenses/mit-license.php) */ if (!class_exists('Multibyte')) { App::import('Core', 'Multibyte', false); } /** * Offers different validation methods. * * @package cake * @subpackage cake.cake.libs * @since CakePHP v 1.2.0.3830 */ class Validation extends Object { /** * Set the value of methods $check param. * * @var string * @access public */ var $check = null; /** * Set to a valid regular expression in the class methods. * Can be set from $regex param also * * @var string * @access public */ var $regex = null; /** * Some complex patterns needed in multiple places * * @var array * @access private */ var $__pattern = array( 'hostname' => '(?:[a-z0-9][-a-z0-9]*\.)*(?:[a-z0-9][-a-z0-9]{0,62})\.(?:(?:[a-z]{2}\.)?[a-z]{2,4}|museum|travel)' ); /** * Some class methods use a country to determine proper validation. * This can be passed to methods in the $country param * * @var string * @access public */ var $country = null; /** * Some class methods use a deeper validation when set to true * * @var string * @access public */ var $deep = null; /** * Some class methods use the $type param to determine which validation to perfom in the method * * @var string * @access public */ var $type = null; /** * Holds an array of errors messages set in this class. * These are used for debugging purposes * * @var array * @access public */ var $errors = array(); /** * Gets a reference to the Validation object instance * * @return object Validation instance * @access public * @static */ function &getInstance() { static $instance = array(); if (!$instance) { $instance[0] =& new Validation(); } return $instance[0]; } /** * Checks that a string contains something other than whitespace * * Returns true if string contains something other than whitespace * * $check can be passed as an array: * array('check' => 'valueToCheck'); * * @param mixed $check Value to check * @return boolean Success * @access public */ function notEmpty($check) { $_this =& Validation::getInstance(); $_this->__reset(); $_this->check = $check; if (is_array($check)) { $_this->_extract($check); } if (empty($_this->check) && $_this->check != '0') { return false; } $_this->regex = '/[^\s]+/m'; return $_this->_check(); } /** * Checks that a string contains only integer or letters * * Returns true if string contains only integer or letters * * $check can be passed as an array: * array('check' => 'valueToCheck'); * * @param mixed $check Value to check * @return boolean Success * @access public */ function alphaNumeric($check) { $_this =& Validation::getInstance(); $_this->__reset(); $_this->check = $check; if (is_array($check)) { $_this->_extract($check); } if (empty($_this->check) && $_this->check != '0') { return false; } $_this->regex = '/^[\p{Ll}\p{Lm}\p{Lo}\p{Lt}\p{Lu}\p{Nd}]+$/mu'; return $_this->_check(); } /** * Checks that a string length is within s specified range. * Spaces are included in the character count. * Returns true is string matches value min, max, or between min and max, * * @param string $check Value to check for length * @param integer $min Minimum value in range (inclusive) * @param integer $max Maximum value in range (inclusive) * @return boolean Success * @access public */ function between($check, $min, $max) { $length = mb_strlen($check); return ($length >= $min && $length <= $max); } /** * Returns true if field is left blank -OR- only whitespace characters are present in it's value * Whitespace characters include Space, Tab, Carriage Return, Newline * * $check can be passed as an array: * array('check' => 'valueToCheck'); * * @param mixed $check Value to check * @return boolean Success * @access public */ function blank($check) { $_this =& Validation::getInstance(); $_this->__reset(); $_this->check = $check; if (is_array($check)) { $_this->_extract($check); } $_this->regex = '/[^\\s]/'; return !$_this->_check(); } /** * Validation of credit card numbers. * Returns true if $check is in the proper credit card format. * * @param mixed $check credit card number to validate * @param mixed $type 'all' may be passed as a sting, defaults to fast which checks format of most major credit cards * if an array is used only the values of the array are checked. * Example: array('amex', 'bankcard', 'maestro') * @param boolean $deep set to true this will check the Luhn algorithm of the credit card. * @param string $regex A custom regex can also be passed, this will be used instead of the defined regex values * @return boolean Success * @access public * @see Validation::_luhn() */ function cc($check, $type = 'fast', $deep = false, $regex = null) { $_this =& Validation::getInstance(); $_this->__reset(); $_this->check = $check; $_this->type = $type; $_this->deep = $deep; $_this->regex = $regex; if (is_array($check)) { $_this->_extract($check); } $_this->check = str_replace(array('-', ' '), '', $_this->check); if (mb_strlen($_this->check) < 13) { return false; } if (!is_null($_this->regex)) { if ($_this->_check()) { return $_this->_luhn(); } } $cards = array( 'all' => array( 'amex' => '/^3[4|7]\\d{13}$/', 'bankcard' => '/^56(10\\d\\d|022[1-5])\\d{10}$/', 'diners' => '/^(?:3(0[0-5]|[68]\\d)\\d{11})|(?:5[1-5]\\d{14})$/', 'disc' => '/^(?:6011|650\\d)\\d{12}$/', 'electron' => '/^(?:417500|4917\\d{2}|4913\\d{2})\\d{10}$/', 'enroute' => '/^2(?:014|149)\\d{11}$/', 'jcb' => '/^(3\\d{4}|2100|1800)\\d{11}$/', 'maestro' => '/^(?:5020|6\\d{3})\\d{12}$/', 'mc' => '/^5[1-5]\\d{14}$/', 'solo' => '/^(6334[5-9][0-9]|6767[0-9]{2})\\d{10}(\\d{2,3})?$/', 'switch' => '/^(?:49(03(0[2-9]|3[5-9])|11(0[1-2]|7[4-9]|8[1-2])|36[0-9]{2})\\d{10}(\\d{2,3})?)|(?:564182\\d{10}(\\d{2,3})?)|(6(3(33[0-4][0-9])|759[0-9]{2})\\d{10}(\\d{2,3})?)$/', 'visa' => '/^4\\d{12}(\\d{3})?$/', 'voyager' => '/^8699[0-9]{11}$/' ), 'fast' => '/^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|6011[0-9]{12}|3(?:0[0-5]|[68][0-9])[0-9]{11}|3[47][0-9]{13})$/' ); if (is_array($_this->type)) { foreach ($_this->type as $value) { $_this->regex = $cards['all'][strtolower($value)]; if ($_this->_check()) { return $_this->_luhn(); } } } elseif ($_this->type == 'all') { foreach ($cards['all'] as $value) { $_this->regex = $value; if ($_this->_check()) { return $_this->_luhn(); } } } else { $_this->regex = $cards['fast']; if ($_this->_check()) { return $_this->_luhn(); } } } /** * Used to compare 2 numeric values. * * @param mixed $check1 if string is passed for a string must also be passed for $check2 * used as an array it must be passed as array('check1' => value, 'operator' => 'value', 'check2' -> value) * @param string $operator Can be either a word or operand * is greater >, is less <, greater or equal >= * less or equal <=, is less <, equal to ==, not equal != * @param integer $check2 only needed if $check1 is a string * @return boolean Success * @access public */ function comparison($check1, $operator = null, $check2 = null) { if (is_array($check1)) { extract($check1, EXTR_OVERWRITE); } $operator = str_replace(array(' ', "\t", "\n", "\r", "\0", "\x0B"), '', strtolower($operator)); switch ($operator) { case 'isgreater': case '>': if ($check1 > $check2) { return true; } break; case 'isless': case '<': if ($check1 < $check2) { return true; } break; case 'greaterorequal': case '>=': if ($check1 >= $check2) { return true; } break; case 'lessorequal': case '<=': if ($check1 <= $check2) { return true; } break; case 'equalto': case '==': if ($check1 == $check2) { return true; } break; case 'notequal': case '!=': if ($check1 != $check2) { return true; } break; default: $_this =& Validation::getInstance(); $_this->errors[] = __('You must define the $operator parameter for Validation::comparison()', true); break; } return false; } /** * Used when a custom regular expression is needed. * * @param mixed $check When used as a string, $regex must also be a valid regular expression. * As and array: array('check' => value, 'regex' => 'valid regular expression') * @param string $regex If $check is passed as a string, $regex must also be set to valid regular expression * @return boolean Success * @access public */ function custom($check, $regex = null) { $_this =& Validation::getInstance(); $_this->__reset(); $_this->check = $check; $_this->regex = $regex; if (is_array($check)) { $_this->_extract($check); } if ($_this->regex === null) { $_this->errors[] = __('You must define a regular expression for Validation::custom()', true); return false; } return $_this->_check(); } /** * Date validation, determines if the string passed is a valid date. * keys that expect full month, day and year will validate leap years * * @param string $check a valid date string * @param mixed $format Use a string or an array of the keys below. Arrays should be passed as array('dmy', 'mdy', etc) * Keys: dmy 27-12-2006 or 27-12-06 separators can be a space, period, dash, forward slash * mdy 12-27-2006 or 12-27-06 separators can be a space, period, dash, forward slash * ymd 2006-12-27 or 06-12-27 separators can be a space, period, dash, forward slash * dMy 27 December 2006 or 27 Dec 2006 * Mdy December 27, 2006 or Dec 27, 2006 comma is optional * My December 2006 or Dec 2006 * my 12/2006 separators can be a space, period, dash, forward slash * @param string $regex If a custom regular expression is used this is the only validation that will occur. * @return boolean Success * @access public */ function date($check, $format = 'ymd', $regex = null) { $_this =& Validation::getInstance(); $_this->__reset(); $_this->check = $check; $_this->regex = $regex; if (!is_null($_this->regex)) { return $_this->_check(); } $regex['dmy'] = '%^(?:(?:31(\\/|-|\\.|\\x20)(?:0?[13578]|1[02]))\\1|(?:(?:29|30)(\\/|-|\\.|\\x20)(?:0?[1,3-9]|1[0-2])\\2))(?:(?:1[6-9]|[2-9]\\d)?\\d{2})$|^(?:29(\\/|-|\\.|\\x20)0?2\\3(?:(?:(?:1[6-9]|[2-9]\\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))$|^(?:0?[1-9]|1\\d|2[0-8])(\\/|-|\\.|\\x20)(?:(?:0?[1-9])|(?:1[0-2]))\\4(?:(?:1[6-9]|[2-9]\\d)?\\d{2})$%'; $regex['mdy'] = '%^(?:(?:(?:0?[13578]|1[02])(\\/|-|\\.|\\x20)31)\\1|(?:(?:0?[13-9]|1[0-2])(\\/|-|\\.|\\x20)(?:29|30)\\2))(?:(?:1[6-9]|[2-9]\\d)?\\d{2})$|^(?:0?2(\\/|-|\\.|\\x20)29\\3(?:(?:(?:1[6-9]|[2-9]\\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))$|^(?:(?:0?[1-9])|(?:1[0-2]))(\\/|-|\\.|\\x20)(?:0?[1-9]|1\\d|2[0-8])\\4(?:(?:1[6-9]|[2-9]\\d)?\\d{2})$%'; $regex['ymd'] = '%^(?:(?:(?:(?:(?:1[6-9]|[2-9]\\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00)))(\\/|-|\\.|\\x20)(?:0?2\\1(?:29)))|(?:(?:(?:1[6-9]|[2-9]\\d)?\\d{2})(\\/|-|\\.|\\x20)(?:(?:(?:0?[13578]|1[02])\\2(?:31))|(?:(?:0?[1,3-9]|1[0-2])\\2(29|30))|(?:(?:0?[1-9])|(?:1[0-2]))\\2(?:0?[1-9]|1\\d|2[0-8]))))$%'; $regex['dMy'] = '/^((31(?!\\ (Feb(ruary)?|Apr(il)?|June?|(Sep(?=\\b|t)t?|Nov)(ember)?)))|((30|29)(?!\\ Feb(ruary)?))|(29(?=\\ Feb(ruary)?\\ (((1[6-9]|[2-9]\\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00)))))|(0?[1-9])|1\\d|2[0-8])\\ (Jan(uary)?|Feb(ruary)?|Ma(r(ch)?|y)|Apr(il)?|Ju((ly?)|(ne?))|Aug(ust)?|Oct(ober)?|(Sep(?=\\b|t)t?|Nov|Dec)(ember)?)\\ ((1[6-9]|[2-9]\\d)\\d{2})$/'; $regex['Mdy'] = '/^(?:(((Jan(uary)?|Ma(r(ch)?|y)|Jul(y)?|Aug(ust)?|Oct(ober)?|Dec(ember)?)\\ 31)|((Jan(uary)?|Ma(r(ch)?|y)|Apr(il)?|Ju((ly?)|(ne?))|Aug(ust)?|Oct(ober)?|(Sept|Nov|Dec)(ember)?)\\ (0?[1-9]|([12]\\d)|30))|(Feb(ruary)?\\ (0?[1-9]|1\\d|2[0-8]|(29(?=,?\\ ((1[6-9]|[2-9]\\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00)))))))\\,?\\ ((1[6-9]|[2-9]\\d)\\d{2}))$/'; $regex['My'] = '%^(Jan(uary)?|Feb(ruary)?|Ma(r(ch)?|y)|Apr(il)?|Ju((ly?)|(ne?))|Aug(ust)?|Oct(ober)?|(Sep(?=\\b|t)t?|Nov|Dec)(ember)?)[ /]((1[6-9]|[2-9]\\d)\\d{2})$%'; $regex['my'] = '%^(((0[123456789]|10|11|12)([- /.])(([1][9][0-9][0-9])|([2][0-9][0-9][0-9]))))$%'; $format = (is_array($format)) ? array_values($format) : array($format); foreach ($format as $key) { $_this->regex = $regex[$key]; if ($_this->_check() === true) { return true; } } return false; } /** * Time validation, determines if the string passed is a valid time. * Validates time as 24hr (HH:MM) or am/pm ([H]H:MM[a|p]m) * Does not allow/validate seconds. * * @param string $check a valid time string * @return boolean Success * @access public */ function time($check) { $_this =& Validation::getInstance(); $_this->__reset(); $_this->check = $check; $_this->regex = '%^((0?[1-9]|1[012])(:[0-5]\d){0,2}([AP]M|[ap]m))$|^([01]\d|2[0-3])(:[0-5]\d){0,2}$%'; return $_this->_check(); } /** * Boolean validation, determines if value passed is a boolean integer or true/false. * * @param string $check a valid boolean * @return boolean Success * @access public */ function boolean($check) { $booleanList = array(0, 1, '0', '1', true, false); return in_array($check, $booleanList, true); } /** * Checks that a value is a valid decimal. If $places is null, the $check is allowed to be a scientific float * If no decimal point is found a false will be returned. Both the sign and exponent are optional. * * @param integer $check The value the test for decimal * @param integer $places if set $check value must have exactly $places after the decimal point * @param string $regex If a custom regular expression is used this is the only validation that will occur. * @return boolean Success * @access public */ function decimal($check, $places = null, $regex = null) { $_this =& Validation::getInstance(); $_this->__reset(); $_this->regex = $regex; $_this->check = $check; if (is_null($_this->regex)) { if (is_null($places)) { $_this->regex = '/^[-+]?[0-9]*\\.{1}[0-9]+(?:[eE][-+]?[0-9]+)?$/'; } else { $_this->regex = '/^[-+]?[0-9]*\\.{1}[0-9]{'.$places.'}$/'; } } return $_this->_check(); } /** * Validates for an email address. * * @param string $check Value to check * @param boolean $deep Perform a deeper validation (if true), by also checking availability of host * @param string $regex Regex to use (if none it will use built in regex) * @return boolean Success * @access public */ function email($check, $deep = false, $regex = null) { $_this =& Validation::getInstance(); $_this->__reset(); $_this->check = $check; $_this->regex = $regex; $_this->deep = $deep; if (is_array($check)) { $_this->_extract($check); } if (is_null($_this->regex)) { $_this->regex = '/^[a-z0-9!#$%&\'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&\'*+\/=?^_`{|}~-]+)*@' . $_this->__pattern['hostname'] . '$/i'; } $return = $_this->_check(); if ($_this->deep === false || $_this->deep === null) { return $return; } if ($return === true && preg_match('/@(' . $_this->__pattern['hostname'] . ')$/i', $_this->check, $regs)) { if (function_exists('getmxrr') && getmxrr($regs[1], $mxhosts)) { return true; } if (function_exists('checkdnsrr') && checkdnsrr($regs[1], 'MX')) { return true; } return is_array(gethostbynamel($regs[1])); } return false; } /** * Check that value is exactly $comparedTo. * * @param mixed $check Value to check * @param mixed $comparedTo Value to compare * @return boolean Success * @access public */ function equalTo($check, $comparedTo) { return ($check === $comparedTo); } /** * Check that value has a valid file extension. * * @param mixed $check Value to check * @param array $extensions file extenstions to allow * @return boolean Success * @access public */ function extension($check, $extensions = array('gif', 'jpeg', 'png', 'jpg')) { if (is_array($check)) { return Validation::extension(array_shift($check), $extensions); } $extension = strtolower(array_pop(explode('.', $check))); foreach ($extensions as $value) { if ($extension == strtolower($value)) { return true; } } return false; } /** * Validation of an IP address. * * Valid IP version strings for type restriction are: * - both: Check both IPv4 and IPv6, return true if the supplied address matches either version * - IPv4: Version 4 (Eg: 127.0.0.1, 192.168.10.123, 203.211.24.8) * - IPv6: Version 6 (Eg: ::1, 2001:0db8::1428:57ab) * * @param string $check The string to test. * @param string $type The IP Version to test against * @return boolean Success * @access public */ function ip($check, $type = 'both') { $_this =& Validation::getInstance(); $success = false; $type = strtolower($type); if ($type === 'ipv4' || $type === 'both') { $success |= $_this->_ipv4($check); } if ($type === 'ipv6' || $type === 'both') { $success |= $_this->_ipv6($check); } return $success; } /** * Validation of IPv4 addresses. * * @param string $check IP Address to test * @return boolean Success * @access protected */ function _ipv4($check) { if (function_exists('filter_var')) { return filter_var($check, FILTER_VALIDATE_IP, array('flags' => FILTER_FLAG_IPV4)) !== false; } $this->__populateIp(); $this->check = $check; $this->regex = '/^' . $this->__pattern['IPv4'] . '$/'; return $this->_check(); } /** * Validation of IPv6 addresses. * * @param string $check IP Address to test * @return boolean Success * @access protected */ function _ipv6($check) { if (function_exists('filter_var')) { return filter_var($check, FILTER_VALIDATE_IP, array('flags' => FILTER_FLAG_IPV6)) !== false; } $this->__populateIp(); $this->check = $check; $this->regex = '/^' . $this->__pattern['IPv6'] . '$/'; return $this->_check(); } /** * Checks whether the length of a string is greater or equal to a minimal length. * * @param string $check The string to test * @param integer $min The minimal string length * @return boolean Success * @access public */ function minLength($check, $min) { $length = mb_strlen($check); return ($length >= $min); } /** * Checks whether the length of a string is smaller or equal to a maximal length.. * * @param string $check The string to test * @param integer $max The maximal string length * @return boolean Success * @access public */ function maxLength($check, $max) { $length = mb_strlen($check); return ($length <= $max); } /** * Checks that a value is a monetary amount. * * @param string $check Value to check * @param string $symbolPosition Where symbol is located (left/right) * @return boolean Success * @access public */ function money($check, $symbolPosition = 'left') { $_this =& Validation::getInstance(); $_this->check = $check; if ($symbolPosition == 'right') { $_this->regex = '/^(?!0,?\d)(?:\d{1,3}(?:([, .])\d{3})?(?:\1\d{3})*|(?:\d+))((?!\1)[,.]\d{2})?(?<!\x{00a2})\p{Sc}?$/u'; } else { $_this->regex = '/^(?!\x{00a2})\p{Sc}?(?!0,?\d)(?:\d{1,3}(?:([, .])\d{3})?(?:\1\d{3})*|(?:\d+))((?!\1)[,.]\d{2})?$/u'; } return $_this->_check(); } /** * Validate a multiple select. * * Valid Options * * - in => provide a list of choices that selections must be made from * - max => maximun number of non-zero choices that can be made * - min => minimum number of non-zero choices that can be made * * @param mixed $check Value to check * @param mixed $options Options for the check. * @return boolean Success * @access public */ function multiple($check, $options = array()) { $defaults = array('in' => null, 'max' => null, 'min' => null); $options = array_merge($defaults, $options); $check = array_filter((array)$check); if (empty($check)) { return false; } if ($options['max'] && count($check) > $options['max']) { return false; } if ($options['min'] && count($check) < $options['min']) { return false; } if ($options['in'] && is_array($options['in'])) { foreach ($check as $val) { if (!in_array($val, $options['in'])) { return false; } } } return true; } /** * Checks if a value is numeric. * * @param string $check Value to check * @return boolean Succcess * @access public */ function numeric($check) { return is_numeric($check); } /** * Check that a value is a valid phone number. * * @param mixed $check Value to check (string or array) * @param string $regex Regular expression to use * @param string $country Country code (defaults to 'all') * @return boolean Success * @access public */ function phone($check, $regex = null, $country = 'all') { $_this =& Validation::getInstance(); $_this->check = $check; $_this->regex = $regex; $_this->country = $country; if (is_array($check)) { $_this->_extract($check); } if (is_null($_this->regex)) { switch ($_this->country) { case 'us': case 'all': case 'can': // includes all NANPA members. see http://en.wikipedia.org/wiki/North_American_Numbering_Plan#List_of_NANPA_countries_and_territories $_this->regex = '/^(?:\+?1)?[-. ]?\\(?[2-9][0-8][0-9]\\)?[-. ]?[2-9][0-9]{2}[-. ]?[0-9]{4}$/'; break; } } if (empty($_this->regex)) { return $_this->_pass('phone', $check, $country); } return $_this->_check(); } /** * Checks that a given value is a valid postal code. * * @param mixed $check Value to check * @param string $regex Regular expression to use * @param string $country Country to use for formatting * @return boolean Success * @access public */ function postal($check, $regex = null, $country = null) { $_this =& Validation::getInstance(); $_this->check = $check; $_this->regex = $regex; $_this->country = $country; if (is_array($check)) { $_this->_extract($check); } if (empty($country)) { $_this->country = 'us'; } if (is_null($_this->regex)) { switch ($_this->country) { case 'uk': $_this->regex = '/\\A\\b[A-Z]{1,2}[0-9][A-Z0-9]? [0-9][ABD-HJLNP-UW-Z]{2}\\b\\z/i'; break; case 'ca': $_this->regex = '/\\A\\b[ABCEGHJKLMNPRSTVXY][0-9][A-Z] ?[0-9][A-Z][0-9]\\b\\z/i'; break; case 'it': case 'de': $_this->regex = '/^[0-9]{5}$/i'; break; case 'be': $_this->regex = '/^[1-9]{1}[0-9]{3}$/i'; break; case 'us': $_this->regex = '/\\A\\b[0-9]{5}(?:-[0-9]{4})?\\b\\z/i'; break; } } if (empty($_this->regex)) { return $_this->_pass('postal', $check, $country); } return $_this->_check(); } /** * Validate that a number is in specified range. * if $lower and $upper are not set, will return true if * $check is a legal finite on this platform * * @param string $check Value to check * @param integer $lower Lower limit * @param integer $upper Upper limit * @return boolean Success * @access public */ function range($check, $lower = null, $upper = null) { if (!is_numeric($check)) { return false; } if (isset($lower) && isset($upper)) { return ($check > $lower && $check < $upper); } return is_finite($check); } /** * Checks that a value is a valid Social Security Number. * * @param mixed $check Value to check * @param string $regex Regular expression to use * @param string $country Country * @return boolean Success * @access public */ function ssn($check, $regex = null, $country = null) { $_this =& Validation::getInstance(); $_this->check = $check; $_this->regex = $regex; $_this->country = $country; if (is_array($check)) { $_this->_extract($check); } if (is_null($_this->regex)) { switch ($_this->country) { case 'dk': $_this->regex = '/\\A\\b[0-9]{6}-[0-9]{4}\\b\\z/i'; break; case 'nl': $_this->regex = '/\\A\\b[0-9]{9}\\b\\z/i'; break; case 'us': $_this->regex = '/\\A\\b[0-9]{3}-[0-9]{2}-[0-9]{4}\\b\\z/i'; break; } } if (empty($_this->regex)) { return $_this->_pass('ssn', $check, $country); } return $_this->_check(); } /** * Checks that a value is a valid uuid - http://tools.ietf.org/html/rfc4122 * * @param string $check Value to check * @return boolean Success * @access public */ function uuid($check) { $_this =& Validation::getInstance(); $_this->check = $check; $_this->regex = '/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/i'; return $_this->_check(); } /** * Checks that a value is a valid URL according to http://www.w3.org/Addressing/URL/url-spec.txt * * The regex checks for the following component parts: * * - a valid, optional, scheme * - a valid ip address OR * a valid domain name as defined by section 2.3.1 of http://www.ietf.org/rfc/rfc1035.txt * with an optional port number * - an optional valid path * - an optional query string (get parameters) * - an optional fragment (anchor tag) * * @param string $check Value to check * @param boolean $strict Require URL to be prefixed by a valid scheme (one of http(s)/ftp(s)/file/news/gopher) * @return boolean Success * @access public */ function url($check, $strict = false) { $_this =& Validation::getInstance(); $_this->__populateIp(); $_this->check = $check; $validChars = '([' . preg_quote('!"$&\'()*+,-.@_:;=~[]') . '\/0-9a-z\p{L}\p{N}]|(%[0-9a-f]{2}))'; $_this->regex = '/^(?:(?:https?|ftps?|file|news|gopher):\/\/)' . (!empty($strict) ? '' : '?') . '(?:' . $_this->__pattern['IPv4'] . '|\[' . $_this->__pattern['IPv6'] . '\]|' . $_this->__pattern['hostname'] . ')' . '(?::[1-9][0-9]{0,4})?' . '(?:\/?|\/' . $validChars . '*)?' . '(?:\?' . $validChars . '*)?' . '(?:#' . $validChars . '*)?$/iu'; return $_this->_check(); } /** * Checks if a value is in a given list. * * @param string $check Value to check * @param array $list List to check against * @return boolean Succcess * @access public */ function inList($check, $list) { return in_array($check, $list); } /** * Runs an user-defined validation. * * @param mixed $check value that will be validated in user-defined methods. * @param object $object class that holds validation method * @param string $method class method name for validation to run * @param array $args arguments to send to method * @return mixed user-defined class class method returns * @access public */ function userDefined($check, $object, $method, $args = null) { return call_user_func_array(array(&$object, $method), array($check, $args)); } /** * Attempts to pass unhandled Validation locales to a class starting with $classPrefix * and ending with Validation. For example $classPrefix = 'nl', the class would be * `NlValidation`. * * @param string $method The method to call on the other class. * @param mixed $check The value to check or an array of parameters for the method to be called. * @param string $classPrefix The prefix for the class to do the validation. * @return mixed Return of Passed method, false on failure * @access protected **/ function _pass($method, $check, $classPrefix) { $className = ucwords($classPrefix) . 'Validation'; if (!class_exists($className)) { trigger_error(sprintf(__('Could not find %s class, unable to complete validation.', true), $className), E_USER_WARNING); return false; } if (!is_callable(array($className, $method))) { trigger_error(sprintf(__('Method %s does not exist on %s unable to complete validation.', true), $method, $className), E_USER_WARNING); return false; } $check = (array)$check; return call_user_func_array(array($className, $method), $check); } /** * Runs a regular expression match. * * @return boolean Success of match * @access protected */ function _check() { $_this =& Validation::getInstance(); if (preg_match($_this->regex, $_this->check)) { $_this->error[] = false; return true; } else { $_this->error[] = true; return false; } } /** * Get the values to use when value sent to validation method is * an array. * * @param array $params Parameters sent to validation method * @return void * @access protected */ function _extract($params) { $_this =& Validation::getInstance(); extract($params, EXTR_OVERWRITE); if (isset($check)) { $_this->check = $check; } if (isset($regex)) { $_this->regex = $regex; } if (isset($country)) { $_this->country = mb_strtolower($country); } if (isset($deep)) { $_this->deep = $deep; } if (isset($type)) { $_this->type = $type; } } /** * Luhn algorithm * * @see http://en.wikipedia.org/wiki/Luhn_algorithm * @return boolean Success * @access protected */ function _luhn() { $_this =& Validation::getInstance(); if ($_this->deep !== true) { return true; } if ($_this->check == 0) { return false; } $sum = 0; $length = strlen($_this->check); for ($position = 1 - ($length % 2); $position < $length; $position += 2) { $sum += $_this->check[$position]; } for ($position = ($length % 2); $position < $length; $position += 2) { $number = $_this->check[$position] * 2; $sum += ($number < 10) ? $number : $number - 9; } return ($sum % 10 == 0); } /* * Lazily popualate the IP address patterns used for validations * * @return void * @access private */ function __populateIp() { if (!isset($this->__pattern['IPv6'])) { $pattern = '((([0-9A-Fa-f]{1,4}:){7}(([0-9A-Fa-f]{1,4})|:))|(([0-9A-Fa-f]{1,4}:){6}'; $pattern .= '(:|((25[0-5]|2[0-4]\d|[01]?\d{1,2})(\.(25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})'; $pattern .= '|(:[0-9A-Fa-f]{1,4})))|(([0-9A-Fa-f]{1,4}:){5}((:((25[0-5]|2[0-4]\d|[01]?\d{1,2})'; $pattern .= '(\.(25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})?)|((:[0-9A-Fa-f]{1,4}){1,2})))|(([0-9A-Fa-f]{1,4}:)'; $pattern .= '{4}(:[0-9A-Fa-f]{1,4}){0,1}((:((25[0-5]|2[0-4]\d|[01]?\d{1,2})(\.(25[0-5]|2[0-4]\d|[01]?\d{1,2}))'; $pattern .= '{3})?)|((:[0-9A-Fa-f]{1,4}){1,2})))|(([0-9A-Fa-f]{1,4}:){3}(:[0-9A-Fa-f]{1,4}){0,2}'; $pattern .= '((:((25[0-5]|2[0-4]\d|[01]?\d{1,2})(\.(25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})?)|'; $pattern .= '((:[0-9A-Fa-f]{1,4}){1,2})))|(([0-9A-Fa-f]{1,4}:){2}(:[0-9A-Fa-f]{1,4}){0,3}'; $pattern .= '((:((25[0-5]|2[0-4]\d|[01]?\d{1,2})(\.(25[0-5]|2[0-4]\d|[01]?\d{1,2}))'; $pattern .= '{3})?)|((:[0-9A-Fa-f]{1,4}){1,2})))|(([0-9A-Fa-f]{1,4}:)(:[0-9A-Fa-f]{1,4})'; $pattern .= '{0,4}((:((25[0-5]|2[0-4]\d|[01]?\d{1,2})(\.(25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})?)'; $pattern .= '|((:[0-9A-Fa-f]{1,4}){1,2})))|(:(:[0-9A-Fa-f]{1,4}){0,5}((:((25[0-5]|2[0-4]'; $pattern .= '\d|[01]?\d{1,2})(\.(25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})?)|((:[0-9A-Fa-f]{1,4})'; $pattern .= '{1,2})))|(((25[0-5]|2[0-4]\d|[01]?\d{1,2})(\.(25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})))(%.+)?'; $this->__pattern['IPv6'] = $pattern; } if (!isset($this->__pattern['IPv4'])) { $pattern = '(?:(?:25[0-5]|2[0-4][0-9]|(?:(?:1[0-9])?|[1-9]?)[0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|(?:(?:1[0-9])?|[1-9]?)[0-9])'; $this->__pattern['IPv4'] = $pattern; } } /** * Reset internal variables for another validation run. * * @return void * @access private */ function __reset() { $this->check = null; $this->regex = null; $this->country = null; $this->deep = null; $this->type = null; $this->error = array(); $this->errors = array(); } }