/lib/Cake/Utility/Validation.php
PHP | 883 lines | 467 code | 59 blank | 357 comment | 99 complexity | c9571c08e63238a8dd55c7ec416952e3 MD5 | raw file
- <?php
- /**
- * Validation Class. Used for validation of model data
- *
- * PHP Version 5.x
- *
- * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
- * Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
- *
- * Licensed under The MIT License
- * Redistributions of files must retain the above copyright notice.
- *
- * @copyright Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
- * @link http://cakephp.org CakePHP(tm) Project
- * @package Cake.Utility
- * @since CakePHP(tm) v 1.2.0.3830
- * @license MIT License (http://www.opensource.org/licenses/mit-license.php)
- */
- App::uses('Multibyte', 'I18n');
- // Load multibyte if the extension is missing.
- if (!function_exists('mb_strlen')) {
- class_exists('Multibyte');
- }
- /**
- * Offers different validation methods.
- *
- * @package Cake.Utility
- * @since CakePHP v 1.2.0.3830
- */
- class Validation {
- /**
- * Some complex patterns needed in multiple places
- *
- * @var array
- */
- protected static $_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)'
- );
- /**
- * 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 mixed $check Value to check
- * @return boolean Success
- */
- public static function notEmpty($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 mixed $check Value to check
- * @return boolean Success
- */
- public static function alphaNumeric($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}]+$/mu');
- }
- /**
- * 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 $max Maximum value in range (inclusive)
- * @return boolean Success
- */
- public static function between($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 it's value
- * Whitespace characters include Space, Tab, Carriage Return, Newline
- *
- * $check can be passed as an array:
- * array('check' => 'valueToCheck');
- *
- * @param mixed $check Value to check
- * @return boolean Success
- */
- public static function blank($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 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 $regex A custom regex can also be passed, this will be used instead of the defined regex values
- * @return boolean Success
- * @see Validation::luhn()
- */
- public static function cc($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 (!is_null($regex)) {
- if (self::_check($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 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 $check1 is a string
- * @return boolean Success
- */
- public static function comparison($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 Validation::comparison()');
- 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, $regex must also be set to valid regular expression
- * @return boolean Success
- */
- public static function custom($check, $regex = null) {
- if (is_array($check)) {
- extract(self::_defaults($check));
- }
- if ($regex === null) {
- self::$errors[] = __d('cake_dev', 'You must define a regular expression for Validation::custom()');
- return false;
- }
- return self::_check($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
- *
- * @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 $regex If a custom regular expression is used this is the only validation that will occur.
- * @return boolean Success
- */
- public static function date($check, $format = 'ymd', $regex = null) {
- if (!is_null($regex)) {
- return self::_check($check, $regex);
- }
- $regex['dmy'] = '%^(?:(?:31(\\/|-|\\.|\\x20)(?:0?[13578]|1[02]))\\1|(?:(?:29|30)(\\/|-|\\.|\\x20)(?:0?[1,3-9]|1[0-2])\\2))(?:(?:1[6-9]|[2-9]\\d)?\\d{2})$|^(?: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))))$|^(?:(?:0?[1-9])|(?:1[0-2]))(\\/|-|\\.|\\x20)(?:0?[1-9]|1\\d|2[0-8])\\4(?:(?:1[6-9]|[2-9]\\d)?\\d{2})$%';
- $regex['ymd'] = '%^(?:(?:(?:(?:(?:1[6-9]|[2-9]\\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00)))(\\/|-|\\.|\\x20)(?:0?2\\1(?:29)))|(?:(?:(?:1[6-9]|[2-9]\\d)?\\d{2})(\\/|-|\\.|\\x20)(?:(?:(?:0?[13578]|1[02])\\2(?:31))|(?:(?:0?[1,3-9]|1[0-2])\\2(29|30))|(?:(?:0?[1-9])|(?:1[0-2]))\\2(?:0?[1-9]|1\\d|2[0-8]))))$%';
- $regex['dMy'] = '/^((31(?!\\ (Feb(ruary)?|Apr(il)?|June?|(Sep(?=\\b|t)t?|Nov)(ember)?)))|((30|29)(?!\\ Feb(ruary)?))|(29(?=\\ Feb(ruary)?\\ (((1[6-9]|[2-9]\\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00)))))|(0?[1-9])|1\\d|2[0-8])\\ (Jan(uary)?|Feb(ruary)?|Ma(r(ch)?|y)|Apr(il)?|Ju((ly?)|(ne?))|Aug(ust)?|Oct(ober)?|(Sep(?=\\b|t)t?|Nov|Dec)(ember)?)\\ ((1[6-9]|[2-9]\\d)\\d{2})$/';
- $regex['Mdy'] = '/^(?:(((Jan(uary)?|Ma(r(ch)?|y)|Jul(y)?|Aug(ust)?|Oct(ober)?|Dec(ember)?)\\ 31)|((Jan(uary)?|Ma(r(ch)?|y)|Apr(il)?|Ju((ly?)|(ne?))|Aug(ust)?|Oct(ober)?|(Sep)(tember)?|(Nov|Dec)(ember)?)\\ (0?[1-9]|([12]\\d)|30))|(Feb(ruary)?\\ (0?[1-9]|1\\d|2[0-8]|(29(?=,?\\ ((1[6-9]|[2-9]\\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00)))))))\\,?\\ ((1[6-9]|[2-9]\\d)\\d{2}))$/';
- $regex['My'] = '%^(Jan(uary)?|Feb(ruary)?|Ma(r(ch)?|y)|Apr(il)?|Ju((ly?)|(ne?))|Aug(ust)?|Oct(ober)?|(Sep(?=\\b|t)t?|Nov|Dec)(ember)?)[ /]((1[6-9]|[2-9]\\d)\\d{2})$%';
- $regex['my'] = '%^(((0[123456789]|10|11|12)([- /.])(([1][9][0-9][0-9])|([2][0-9][0-9][0-9]))))$%';
- $format = (is_array($format)) ? array_values($format) : array($format);
- foreach ($format as $key) {
- if (self::_check($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 array $check Value to check
- * @param mixed $dateFormat Format of the date part
- * 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 $regex Regex for the date part. If a custom regular expression is used this is the only validation that will occur.
- * @return boolean True if the value is valid, false otherwise
- * @see Validation::date
- * @see Validation::time
- */
- public static function datetime($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 $check a valid time string
- * @return boolean Success
- */
- public static function time($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 $check a valid boolean
- * @return boolean Success
- */
- public static function boolean($check) {
- $booleanList = array(0, 1, '0', '1', true, false);
- return in_array($check, $booleanList, true);
- }
- /**
- * Checks that a value is a valid decimal. 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 $regex If a custom regular expression is used this is the only validation that will occur.
- * @return boolean Success
- */
- public static function decimal($check, $places = null, $regex = null) {
- if (is_null($regex)) {
- if (is_null($places)) {
- $regex = '/^[-+]?[0-9]*\\.{1}[0-9]+(?:[eE][-+]?[0-9]+)?$/';
- } else {
- $regex = '/^[-+]?[0-9]*\\.{1}[0-9]{' . $places . '}$/';
- }
- }
- 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 boolean $deep Perform a deeper validation (if true), by also checking availability of host
- * @param string $regex Regex to use (if none it will use built in regex)
- * @return boolean Success
- */
- public static function email($check, $deep = false, $regex = null) {
- if (is_array($check)) {
- extract(self::_defaults($check));
- }
- if (is_null($regex)) {
- $regex = '/^[a-z0-9!#$%&\'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&\'*+\/=?^_`{|}~-]+)*@' . self::$_pattern['hostname'] . '$/i';
- }
- $return = self::_check($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 $comparedTo Value to compare
- * @return boolean Success
- */
- public static function equalTo($check, $comparedTo) {
- return ($check === $comparedTo);
- }
- /**
- * Check that value has a valid file extension.
- *
- * @param mixed $check Value to check
- * @param array $extensions file extensions to allow
- * @return boolean Success
- */
- public static function extension($check, $extensions = array('gif', 'jpeg', 'png', 'jpg')) {
- if (is_array($check)) {
- return self::extension(array_shift($check), $extensions);
- }
- $pathSegments = explode('.', $check);
- $extension = strtolower(array_pop($pathSegments));
- 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 $type The IP Protocol version to validate against
- * @return boolean Success
- */
- public static function ip($check, $type = 'both') {
- $type = strtolower($type);
- $flags = array();
- if ($type === 'ipv4' || $type === 'both') {
- $flags[] = FILTER_FLAG_IPV4;
- }
- if ($type === 'ipv6' || $type === 'both') {
- $flags[] = FILTER_FLAG_IPV6;
- }
- return (boolean)filter_var($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 integer $min The minimal string length
- * @return boolean Success
- */
- public static function minLength($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 integer $max The maximal string length
- * @return boolean Success
- */
- public static function maxLength($check, $max) {
- return mb_strlen($check) <= $max;
- }
- /**
- * Checks that a value is a monetary amount.
- *
- * @param string $check Value to check
- * @param string $symbolPosition Where symbol is located (left/right)
- * @return boolean Success
- */
- public static function money($check, $symbolPosition = 'left') {
- $money = '(?!0,?\d)(?:\d{1,3}(?:([, .])\d{3})?(?:\1\d{3})*|(?:\d+))((?!\1)[,.]\d{2})?';
- if ($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.
- *
- * 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 mixed $check Value to check
- * @param mixed $options Options for the check.
- * @return boolean Success
- */
- public static function multiple($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 $check Value to check
- * @return boolean Success
- */
- public static function numeric($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 $country Country code (defaults to 'all')
- * @return boolean Success
- */
- public static function phone($check, $regex = null, $country = 'all') {
- if (is_array($check)) {
- extract(self::_defaults($check));
- }
- if (is_null($regex)) {
- switch ($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
- $regex = '/^(?:\+?1)?[-. ]?\\(?[2-9][0-8][0-9]\\)?[-. ]?[2-9][0-9]{2}[-. ]?[0-9]{4}$/';
- 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 mixed $check Value to check
- * @param string $regex Regular expression to use
- * @param string $country Country to use for formatting
- * @return boolean Success
- */
- public static function postal($check, $regex = null, $country = 'us') {
- if (is_array($check)) {
- extract(self::_defaults($check));
- }
- if (is_null($regex)) {
- 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':
- $regex = '/\\A\\b[ABCEGHJKLMNPRSTVXY][0-9][A-Z] [0-9][A-Z][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 integer $lower Lower limit
- * @param integer $upper Upper limit
- * @return boolean Success
- */
- public static function range($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 mixed $check Value to check
- * @param string $regex Regular expression to use
- * @param string $country Country
- * @return boolean Success
- */
- public static function ssn($check, $regex = null, $country = null) {
- if (is_array($check)) {
- extract(self::_defaults($check));
- }
- if (is_null($regex)) {
- 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 boolean $strict Require URL to be prefixed by a valid scheme (one of http(s)/ftp(s)/file/news/gopher)
- * @return boolean Success
- */
- public static function url($check, $strict = false) {
- self::_populateIp();
- $validChars = '([' . preg_quote('!"$&\'()*+,-.@_:;=~[]') . '\/0-9a-z\p{L}\p{N}]|(%[0-9a-f]{2}))';
- $regex = '/^(?:(?:https?|ftps?|file|news|gopher):\/\/)' . (!empty($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.
- *
- * @param string $check Value to check
- * @param array $list List to check against
- * @return boolean Success
- */
- public static function inList($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 $args arguments to send to method
- * @return mixed user-defined class class method returns
- */
- public static function userDefined($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 $check Value to check
- * @return boolean Success
- */
- public static function uuid($check) {
- $regex = '/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/i';
- 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 mixed $check Value to check against the $regex expression
- * @param string $regex Regular expression
- * @return boolean Success of match
- */
- protected static function _check($check, $regex) {
- if (preg_match($regex, $check)) {
- self::$errors[] = false;
- return true;
- } else {
- self::$errors[] = 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
- );
- $params = array_merge($defaults, $params);
- if ($params['country'] !== null) {
- $params['country'] = mb_strtolower($params['country']);
- }
- return $params;
- }
- /**
- * Luhn algorithm
- *
- * @param string|array $check
- * @param boolean $deep
- * @return boolean Success
- * @see http://en.wikipedia.org/wiki/Luhn_algorithm
- */
- public static function luhn($check, $deep = false) {
- if (is_array($check)) {
- extract(self::_defaults($check));
- }
- if ($deep !== true) {
- return true;
- }
- if ($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);
- }
- /**
- * 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();
- }
- }