Blame | Last modification | View Log | RSS feed
<?php/*** CakePHP(tm) : Rapid Development Framework (http://cakephp.org)* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)** Licensed under The MIT License* For full copyright and license information, please see the LICENSE.txt* Redistributions of files must retain the above copyright notice.** @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)* @link http://cakephp.org CakePHP(tm) Project* @since CakePHP(tm) v 1.2.0.3830* @license http://www.opensource.org/licenses/mit-license.php MIT License*/App::uses('Multibyte', 'I18n');App::uses('File', 'Utility');App::uses('CakeNumber', 'Utility');// Load multibyte if the extension is missing.if (!function_exists('mb_strlen')) {class_exists('Multibyte');}/*** Validation Class. Used for validation of model data** Offers different validation methods.** @package Cake.Utility*/class Validation {/*** Some complex patterns needed in multiple places** @var array*/protected static $_pattern = array('hostname' => '(?:[_\p{L}0-9][-_\p{L}0-9]*\.)*(?:[\p{L}0-9][-\p{L}0-9]{0,62})\.(?:(?:[a-z]{2}\.)?[a-z]{2,})');/*** Holds an array of errors messages set in this class.* These are used for debugging purposes** @var array*/public static $errors = array();/*** 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 string|array $check Value to check* @return bool Success*/public static function notEmpty($check) {if (is_array($check)) {extract(self::_defaults($check));}if (empty($check) && $check != '0') {return false;}return self::_check($check, '/[^\s]+/m');}/*** 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 string|array $check Value to check* @return bool Success*/public static function alphaNumeric($check) {if (is_array($check)) {extract(self::_defaults($check));}if (empty($check) && $check != '0') {return false;}return self::_check($check, '/^[\p{Ll}\p{Lm}\p{Lo}\p{Lt}\p{Lu}\p{Nd}]+$/Du');}/*** 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 int $min Minimum value in range (inclusive)* @param int $max Maximum value in range (inclusive)* @return bool Success*/public static function between($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 its value* Whitespace characters include Space, Tab, Carriage Return, Newline** $check can be passed as an array:* array('check' => 'valueToCheck');** @param string|array $check Value to check* @return bool Success*/public static function blank($check) {if (is_array($check)) {extract(self::_defaults($check));}return !self::_check($check, '/[^\\s]/');}/*** Validation of credit card numbers.* Returns true if $check is in the proper credit card format.** @param string|array $check credit card number to validate* @param string|array $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 bool $deep set to true this will check the Luhn algorithm of the credit card.* @param string $regex A custom regex can also be passed, this will be used instead of the defined regex values* @return bool Success* @see Validation::luhn()*/public static function cc($check, $type = 'fast', $deep = false, $regex = null) {if (is_array($check)) {extract(self::_defaults($check));}$check = str_replace(array('-', ' '), '', $check);if (mb_strlen($check) < 13) {return false;}if ($regex !== null) {if (self::_check($check, $regex)) {return self::luhn($check, $deep);}}$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($type)) {foreach ($type as $value) {$regex = $cards['all'][strtolower($value)];if (self::_check($check, $regex)) {return self::luhn($check, $deep);}}} elseif ($type === 'all') {foreach ($cards['all'] as $value) {$regex = $value;if (self::_check($check, $regex)) {return self::luhn($check, $deep);}}} else {$regex = $cards['fast'];if (self::_check($check, $regex)) {return self::luhn($check, $deep);}}return false;}/*** Used to compare 2 numeric values.** @param string|array $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 int $check2 only needed if $check1 is a string* @return bool Success*/public static function comparison($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 != $check2) {return true;}break;default:self::$errors[] = __d('cake_dev', 'You must define the $operator parameter for %s', 'Validation::comparison()');}return false;}/*** Used when a custom regular expression is needed.** @param string|array $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, $regex must also be set to valid regular expression* @return bool Success*/public static function custom($check, $regex = null) {if (is_array($check)) {extract(self::_defaults($check));}if ($regex === null) {self::$errors[] = __d('cake_dev', 'You must define a regular expression for %s', 'Validation::custom()');return false;}return self::_check($check, $regex);}/*** Date validation, determines if the string passed is a valid date.* keys that expect full month, day and year will validate leap years** ### Formats:** - `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 or 12/06 separators can be a space, period, dash, forward slash* - `ym` 2006/12 or 06/12 separators can be a space, period, dash, forward slash* - `y` 2006 just the year without any separators** @param string $check a valid date string* @param string|array $format Use a string or an array of the keys above.* Arrays should be passed as array('dmy', 'mdy', etc)* @param string $regex If a custom regular expression is used this is the only validation that will occur.* @return bool Success*/public static function date($check, $format = 'ymd', $regex = null) {if ($regex !== null) {return self::_check($check, $regex);}$month = '(0[123456789]|10|11|12)';$separator = '([- /.])';$fourDigitYear = '(([1][9][0-9][0-9])|([2][0-9][0-9][0-9]))';$twoDigitYear = '([0-9]{2})';$year = '(?:' . $fourDigitYear . '|' . $twoDigitYear . ')';$regex['dmy'] = '%^(?:(?:31(\\/|-|\\.|\\x20)(?:0?[13578]|1[02]))\\1|(?:(?:29|30)' .$separator . '(?:0?[1,3-9]|1[0-2])\\2))(?:(?:1[6-9]|[2-9]\\d)?\\d{2})$|^(?:29' .$separator . '0?2\\3(?:(?:(?:1[6-9]|[2-9]\\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))$|^(?:0?[1-9]|1\\d|2[0-8])' .$separator . '(?:(?:0?[1-9])|(?:1[0-2]))\\4(?:(?:1[6-9]|[2-9]\\d)?\\d{2})$%';$regex['mdy'] = '%^(?:(?:(?:0?[13578]|1[02])(\\/|-|\\.|\\x20)31)\\1|(?:(?:0?[13-9]|1[0-2])' .$separator . '(?:29|30)\\2))(?:(?:1[6-9]|[2-9]\\d)?\\d{2})$|^(?:0?2' . $separator . '29\\3(?:(?:(?:1[6-9]|[2-9]\\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))$|^(?:(?:0?[1-9])|(?:1[0-2]))' .$separator . '(?:0?[1-9]|1\\d|2[0-8])\\4(?:(?:1[6-9]|[2-9]\\d)?\\d{2})$%';$regex['ymd'] = '%^(?:(?:(?:(?:(?:1[6-9]|[2-9]\\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00)))' .$separator . '(?:0?2\\1(?:29)))|(?:(?:(?:1[6-9]|[2-9]\\d)?\\d{2})' .$separator . '(?:(?:(?:0?[13578]|1[02])\\2(?:31))|(?:(?:0?[1,3-9]|1[0-2])\\2(29|30))|(?:(?:0?[1-9])|(?:1[0-2]))\\2(?:0?[1-9]|1\\d|2[0-8]))))$%';$regex['dMy'] = '/^((31(?!\\ (Feb(ruary)?|Apr(il)?|June?|(Sep(?=\\b|t)t?|Nov)(ember)?)))|((30|29)(?!\\ Feb(ruary)?))|(29(?=\\ Feb(ruary)?\\ (((1[6-9]|[2-9]\\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00)))))|(0?[1-9])|1\\d|2[0-8])\\ (Jan(uary)?|Feb(ruary)?|Ma(r(ch)?|y)|Apr(il)?|Ju((ly?)|(ne?))|Aug(ust)?|Oct(ober)?|(Sep(?=\\b|t)t?|Nov|Dec)(ember)?)\\ ((1[6-9]|[2-9]\\d)\\d{2})$/';$regex['Mdy'] = '/^(?:(((Jan(uary)?|Ma(r(ch)?|y)|Jul(y)?|Aug(ust)?|Oct(ober)?|Dec(ember)?)\\ 31)|((Jan(uary)?|Ma(r(ch)?|y)|Apr(il)?|Ju((ly?)|(ne?))|Aug(ust)?|Oct(ober)?|(Sep)(tember)?|(Nov|Dec)(ember)?)\\ (0?[1-9]|([12]\\d)|30))|(Feb(ruary)?\\ (0?[1-9]|1\\d|2[0-8]|(29(?=,?\\ ((1[6-9]|[2-9]\\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00)))))))\\,?\\ ((1[6-9]|[2-9]\\d)\\d{2}))$/';$regex['My'] = '%^(Jan(uary)?|Feb(ruary)?|Ma(r(ch)?|y)|Apr(il)?|Ju((ly?)|(ne?))|Aug(ust)?|Oct(ober)?|(Sep(?=\\b|t)t?|Nov|Dec)(ember)?)' .$separator . '((1[6-9]|[2-9]\\d)\\d{2})$%';$regex['my'] = '%^(' . $month . $separator . $year . ')$%';$regex['ym'] = '%^(' . $year . $separator . $month . ')$%';$regex['y'] = '%^(' . $fourDigitYear . ')$%';$format = (is_array($format)) ? array_values($format) : array($format);foreach ($format as $key) {if (self::_check($check, $regex[$key]) === true) {return true;}}return false;}/*** Validates a datetime value** All values matching the "date" core validation rule, and the "time" one will be valid** @param string $check Value to check* @param string|array $dateFormat Format of the date part. See Validation::date for more information.* @param string $regex Regex for the date part. If a custom regular expression is used this is the only validation that will occur.* @return bool True if the value is valid, false otherwise* @see Validation::date* @see Validation::time*/public static function datetime($check, $dateFormat = 'ymd', $regex = null) {$valid = false;$parts = explode(' ', $check);if (!empty($parts) && count($parts) > 1) {$time = array_pop($parts);$date = implode(' ', $parts);$valid = self::date($date, $dateFormat, $regex) && self::time($time);}return $valid;}/*** 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 $check a valid time string* @return bool Success*/public static function time($check) {return self::_check($check, '%^((0?[1-9]|1[012])(:[0-5]\d){0,2} ?([AP]M|[ap]m))$|^([01]\d|2[0-3])(:[0-5]\d){0,2}$%');}/*** Boolean validation, determines if value passed is a boolean integer or true/false.** @param string $check a valid boolean* @return bool Success*/public static function boolean($check) {$booleanList = array(0, 1, '0', '1', true, false);return in_array($check, $booleanList, true);}/*** Checks that a value is a valid decimal. Both the sign and exponent are optional.** Valid Places:** - null => Any number of decimal places, including none. The '.' is not required.* - true => Any number of decimal places greater than 0, or a float|double. The '.' is required.* - 1..N => Exactly that many number of decimal places. The '.' is required.** @param float $check The value the test for decimal.* @param int $places Decimal places.* @param string $regex If a custom regular expression is used, this is the only validation that will occur.* @return bool Success*/public static function decimal($check, $places = null, $regex = null) {if ($regex === null) {$lnum = '[0-9]+';$dnum = "[0-9]*[\.]{$lnum}";$sign = '[+-]?';$exp = "(?:[eE]{$sign}{$lnum})?";if ($places === null) {$regex = "/^{$sign}(?:{$lnum}|{$dnum}){$exp}$/";} elseif ($places === true) {if (is_float($check) && floor($check) === $check) {$check = sprintf("%.1f", $check);}$regex = "/^{$sign}{$dnum}{$exp}$/";} elseif (is_numeric($places)) {$places = '[0-9]{' . $places . '}';$dnum = "(?:[0-9]*[\.]{$places}|{$lnum}[\.]{$places})";$regex = "/^{$sign}{$dnum}{$exp}$/";}}// account for localized floats.$data = localeconv();$check = str_replace($data['thousands_sep'], '', $check);$check = str_replace($data['decimal_point'], '.', $check);return self::_check($check, $regex);}/*** Validates for an email address.** Only uses getmxrr() checking for deep validation if PHP 5.3.0+ is used, or* any PHP version on a non-windows distribution** @param string $check Value to check* @param bool $deep Perform a deeper validation (if true), by also checking availability of host* @param string $regex Regex to use (if none it will use built in regex)* @return bool Success*/public static function email($check, $deep = false, $regex = null) {if (is_array($check)) {extract(self::_defaults($check));}if ($regex === null) {$regex = '/^[\p{L}0-9!#$%&\'*+\/=?^_`{|}~-]+(?:\.[\p{L}0-9!#$%&\'*+\/=?^_`{|}~-]+)*@' . self::$_pattern['hostname'] . '$/ui';}$return = self::_check($check, $regex);if ($deep === false || $deep === null) {return $return;}if ($return === true && preg_match('/@(' . self::$_pattern['hostname'] . ')$/i', $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 $comparedTo Value to compare* @return bool Success*/public static function equalTo($check, $comparedTo) {return ($check === $comparedTo);}/*** Check that value has a valid file extension.** @param string|array $check Value to check* @param array $extensions file extensions to allow. By default extensions are 'gif', 'jpeg', 'png', 'jpg'* @return bool Success*/public static function extension($check, $extensions = array('gif', 'jpeg', 'png', 'jpg')) {if (is_array($check)) {return self::extension(array_shift($check), $extensions);}$extension = strtolower(pathinfo($check, PATHINFO_EXTENSION));foreach ($extensions as $value) {if ($extension === strtolower($value)) {return true;}}return false;}/*** Validation of an IP address.** @param string $check The string to test.* @param string $type The IP Protocol version to validate against* @return bool Success*/public static function ip($check, $type = 'both') {$type = strtolower($type);$flags = 0;if ($type === 'ipv4') {$flags = FILTER_FLAG_IPV4;}if ($type === 'ipv6') {$flags = FILTER_FLAG_IPV6;}return (bool)filter_var($check, FILTER_VALIDATE_IP, array('flags' => $flags));}/*** Checks whether the length of a string is greater or equal to a minimal length.** @param string $check The string to test* @param int $min The minimal string length* @return bool Success*/public static function minLength($check, $min) {return mb_strlen($check) >= $min;}/*** Checks whether the length of a string is smaller or equal to a maximal length..** @param string $check The string to test* @param int $max The maximal string length* @return bool Success*/public static function maxLength($check, $max) {return mb_strlen($check) <= $max;}/*** Checks that a value is a monetary amount.** @param string $check Value to check* @param string $symbolPosition Where symbol is located (left/right)* @return bool Success*/public static function money($check, $symbolPosition = 'left') {$money = '(?!0,?\d)(?:\d{1,3}(?:([, .])\d{3})?(?:\1\d{3})*|(?:\d+))((?!\1)[,.]\d{1,2})?';if ($symbolPosition === 'right') {$regex = '/^' . $money . '(?<!\x{00a2})\p{Sc}?$/u';} else {$regex = '/^(?!\x{00a2})\p{Sc}?' . $money . '$/u';}return self::_check($check, $regex);}/*** Validate a multiple select. Comparison is case sensitive by default.** Valid Options** - in => provide a list of choices that selections must be made from* - max => maximum number of non-zero choices that can be made* - min => minimum number of non-zero choices that can be made** @param array $check Value to check* @param array $options Options for the check.* @param bool $caseInsensitive Set to true for case insensitive comparison.* @return bool Success*/public static function multiple($check, $options = array(), $caseInsensitive = false) {$defaults = array('in' => null, 'max' => null, 'min' => null);$options += $defaults;$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($options['in'])) {if ($caseInsensitive) {$options['in'] = array_map('mb_strtolower', $options['in']);}foreach ($check as $val) {$strict = !is_numeric($val);if ($caseInsensitive) {$val = mb_strtolower($val);}if (!in_array((string)$val, $options['in'], $strict)) {return false;}}}return true;}/*** Checks if a value is numeric.** @param string $check Value to check* @return bool Success*/public static function numeric($check) {return is_numeric($check);}/*** Checks if a value is a natural number.** @param string $check Value to check* @param bool $allowZero Set true to allow zero, defaults to false* @return bool Success* @see http://en.wikipedia.org/wiki/Natural_number*/public static function naturalNumber($check, $allowZero = false) {$regex = $allowZero ? '/^(?:0|[1-9][0-9]*)$/' : '/^[1-9][0-9]*$/';return self::_check($check, $regex);}/*** Check that a value is a valid phone number.** @param string|array $check Value to check (string or array)* @param string $regex Regular expression to use* @param string $country Country code (defaults to 'all')* @return bool Success*/public static function phone($check, $regex = null, $country = 'all') {if (is_array($check)) {extract(self::_defaults($check));}if ($regex === null) {switch ($country) {case 'us':case 'ca':case 'can': // deprecated three-letter-codecase 'all':// includes all NANPA members.// see http://en.wikipedia.org/wiki/North_American_Numbering_Plan#List_of_NANPA_countries_and_territories$regex = '/^(?:(?:\+?1\s*(?:[.-]\s*)?)?';// Area code 555, X11 is not allowed.$areaCode = '(?![2-9]11)(?!555)([2-9][0-8][0-9])';$regex .= '(?:\(\s*' . $areaCode . '\s*\)|' . $areaCode . ')';$regex .= '\s*(?:[.-]\s*)?)';// Exchange and 555-XXXX numbers$regex .= '(?!(555(?:\s*(?:[.\-\s]\s*))(01([0-9][0-9])|1212)))';$regex .= '(?!(555(01([0-9][0-9])|1212)))';$regex .= '([2-9]1[02-9]|[2-9]1[02-9]|[2-9][02-9]1|[2-9][02-9]{2})\s*(?:[.-]\s*)';// Local number and extension$regex .= '?([0-9]{4})';$regex .= '(?:\s*(?:#|x\.?|ext\.?|extension)\s*(\d+))?$/';break;}}if (empty($regex)) {return self::_pass('phone', $check, $country);}return self::_check($check, $regex);}/*** Checks that a given value is a valid postal code.** @param string|array $check Value to check* @param string $regex Regular expression to use* @param string $country Country to use for formatting* @return bool Success*/public static function postal($check, $regex = null, $country = 'us') {if (is_array($check)) {extract(self::_defaults($check));}if ($regex === null) {switch ($country) {case 'uk':$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':$district = '[ABCEGHJKLMNPRSTVYX]';$letters = '[ABCEGHJKLMNPRSTVWXYZ]';$regex = "/\\A\\b{$district}[0-9]{$letters} [0-9]{$letters}[0-9]\\b\\z/i";break;case 'it':case 'de':$regex = '/^[0-9]{5}$/i';break;case 'be':$regex = '/^[1-9]{1}[0-9]{3}$/i';break;case 'us':$regex = '/\\A\\b[0-9]{5}(?:-[0-9]{4})?\\b\\z/i';break;}}if (empty($regex)) {return self::_pass('postal', $check, $country);}return self::_check($check, $regex);}/*** 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 int|float $lower Lower limit* @param int|float $upper Upper limit* @return bool Success*/public static function range($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 string|array $check Value to check* @param string $regex Regular expression to use* @param string $country Country* @return bool Success*/public static function ssn($check, $regex = null, $country = null) {if (is_array($check)) {extract(self::_defaults($check));}if ($regex === null) {switch ($country) {case 'dk':$regex = '/\\A\\b[0-9]{6}-[0-9]{4}\\b\\z/i';break;case 'nl':$regex = '/\\A\\b[0-9]{9}\\b\\z/i';break;case 'us':$regex = '/\\A\\b[0-9]{3}-[0-9]{2}-[0-9]{4}\\b\\z/i';break;}}if (empty($regex)) {return self::_pass('ssn', $check, $country);}return self::_check($check, $regex);}/*** 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 bool $strict Require URL to be prefixed by a valid scheme (one of http(s)/ftp(s)/file/news/gopher)* @return bool Success*/public static function url($check, $strict = false) {self::_populateIp();$validChars = '([' . preg_quote('!"$&\'()*+,-.@_:;=~[]') . '\/0-9\p{L}\p{N}]|(%[0-9a-f]{2}))';$regex = '/^(?:(?:https?|ftps?|sftp|file|news|gopher):\/\/)' . (!empty($strict) ? '' : '?') .'(?:' . self::$_pattern['IPv4'] . '|\[' . self::$_pattern['IPv6'] . '\]|' . self::$_pattern['hostname'] . ')(?::[1-9][0-9]{0,4})?' .'(?:\/?|\/' . $validChars . '*)?' .'(?:\?' . $validChars . '*)?' .'(?:#' . $validChars . '*)?$/iu';return self::_check($check, $regex);}/*** Checks if a value is in a given list. Comparison is case sensitive by default.** @param string $check Value to check.* @param array $list List to check against.* @param bool $caseInsensitive Set to true for case insensitive comparison.* @return bool Success.*/public static function inList($check, $list, $caseInsensitive = false) {if ($caseInsensitive) {$list = array_map('mb_strtolower', $list);$check = mb_strtolower($check);} else {$list = array_map('strval', $list);}return in_array((string)$check, $list, true);}/*** Runs an user-defined validation.** @param string|array $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 $args arguments to send to method* @return mixed user-defined class class method returns*/public static function userDefined($check, $object, $method, $args = null) {return call_user_func_array(array($object, $method), array($check, $args));}/*** Checks that a value is a valid UUID - http://tools.ietf.org/html/rfc4122** @param string $check Value to check* @return bool Success*/public static function uuid($check) {$regex = '/^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[0-5][a-fA-F0-9]{3}-[089aAbB][a-fA-F0-9]{3}-[a-fA-F0-9]{12}$/';return self::_check($check, $regex);}/*** 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 $classPrefix The prefix for the class to do the validation.* @return mixed Return of Passed method, false on failure*/protected static function _pass($method, $check, $classPrefix) {$className = ucwords($classPrefix) . 'Validation';if (!class_exists($className)) {trigger_error(__d('cake_dev', 'Could not find %s class, unable to complete validation.', $className), E_USER_WARNING);return false;}if (!method_exists($className, $method)) {trigger_error(__d('cake_dev', 'Method %s does not exist on %s unable to complete validation.', $method, $className), E_USER_WARNING);return false;}$check = (array)$check;return call_user_func_array(array($className, $method), $check);}/*** Runs a regular expression match.** @param string $check Value to check against the $regex expression* @param string $regex Regular expression* @return bool Success of match*/protected static function _check($check, $regex) {if (is_string($regex) && preg_match($regex, $check)) {return true;}return false;}/*** Get the values to use when value sent to validation method is* an array.** @param array $params Parameters sent to validation method* @return void*/protected static function _defaults($params) {self::_reset();$defaults = array('check' => null,'regex' => null,'country' => null,'deep' => false,'type' => null);$params += $defaults;if ($params['country'] !== null) {$params['country'] = mb_strtolower($params['country']);}return $params;}/*** Luhn algorithm** @param string|array $check Value to check.* @param bool $deep If true performs deep check.* @return bool Success* @see http://en.wikipedia.org/wiki/Luhn_algorithm*/public static function luhn($check, $deep = false) {if (is_array($check)) {extract(self::_defaults($check));}if ($deep !== true) {return true;}if ((int)$check === 0) {return false;}$sum = 0;$length = strlen($check);for ($position = 1 - ($length % 2); $position < $length; $position += 2) {$sum += $check[$position];}for ($position = ($length % 2); $position < $length; $position += 2) {$number = $check[$position] * 2;$sum += ($number < 10) ? $number : $number - 9;}return ($sum % 10 === 0);}/*** Checks the mime type of a file.** @param string|array $check Value to check.* @param array|string $mimeTypes Array of mime types or regex pattern to check.* @return bool Success* @throws CakeException when mime type can not be determined.*/public static function mimeType($check, $mimeTypes = array()) {if (is_array($check) && isset($check['tmp_name'])) {$check = $check['tmp_name'];}$File = new File($check);$mime = $File->mime();if ($mime === false) {throw new CakeException(__d('cake_dev', 'Can not determine the mimetype.'));}if (is_string($mimeTypes)) {return self::_check($mime, $mimeTypes);}foreach ($mimeTypes as $key => $val) {$mimeTypes[$key] = strtolower($val);}return in_array($mime, $mimeTypes);}/*** Checks the filesize** @param string|array $check Value to check.* @param string $operator See `Validation::comparison()`.* @param int|string $size Size in bytes or human readable string like '5MB'.* @return bool Success*/public static function fileSize($check, $operator = null, $size = null) {if (is_array($check) && isset($check['tmp_name'])) {$check = $check['tmp_name'];}if (is_string($size)) {$size = CakeNumber::fromReadableSize($size);}$filesize = filesize($check);return self::comparison($filesize, $operator, $size);}/*** Checking for upload errors** @param string|array $check Value to check.* @return bool* @see http://www.php.net/manual/en/features.file-upload.errors.php*/public static function uploadError($check) {if (is_array($check) && isset($check['error'])) {$check = $check['error'];}return (int)$check === UPLOAD_ERR_OK;}/*** Lazily populate the IP address patterns used for validations** @return void*/protected static function _populateIp() {if (!isset(self::$_pattern['IPv6'])) {$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})';$pattern .= '{1,2})))|(((25[0-5]|2[0-4]\d|[01]?\d{1,2})(\.(25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})))(%.+)?';self::$_pattern['IPv6'] = $pattern;}if (!isset(self::$_pattern['IPv4'])) {$pattern = '(?:(?:25[0-5]|2[0-4][0-9]|(?:(?:1[0-9])?|[1-9]?)[0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|(?:(?:1[0-9])?|[1-9]?)[0-9])';self::$_pattern['IPv4'] = $pattern;}}/*** Reset internal variables for another validation run.** @return void*/protected static function _reset() {self::$errors = array();}}