cakephp2-php8/lib/Cake/Utility/Validation.php
mark_story 479aefc438 Update TLD validation to accept gTLD variations
The upcoming gTLD extensions will allow much more variety in TLD names.
Loosen the validation to better accept different length TLDs.

Fixes #3414
2012-11-30 22:11:57 -05:00

956 lines
31 KiB
PHP

<?php
/**
* Validation Class. Used for validation of model data
*
* PHP Version 5.x
*
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright 2005-2012, 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');
App::uses('File', 'Utility');
// 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,})'
);
/**
* 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 $check Value to check
* @return boolean Success
*/
public static function notEmpty($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 string|array $check Value to check
* @return boolean Success
*/
public static function alphaNumeric($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 string|array $check Value to check
* @return boolean Success
*/
public static function blank($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 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 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 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 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 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, $regex must also be set to valid regular expression
* @return boolean Success
*/
public static function custom($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 string|array $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 string|array $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. 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 integer $check The value the test for decimal
* @param integer $places
* @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)) {
$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}$/";
}
}
return self::_check($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 string|array $check Value to check
* @param array $extensions file extensions to allow. By default extensions are 'gif', 'jpeg', 'png', 'jpg'
* @return boolean Success
*/
public static function extension($check, $extensions = array('gif', 'jpeg', 'png', 'jpg')) {
if (is_array($check)) {
return self::extension(array_shift($check), $extensions);
}
$extension = strtolower(pathinfo($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 $type The IP Protocol version to validate against
* @return boolean Success
*/
public static function ip($check, $type = 'both') {
$type = strtolower($type);
$flags = 0;
if ($type === 'ipv4') {
$flags = FILTER_FLAG_IPV4;
}
if ($type === 'ipv6') {
$flags = FILTER_FLAG_IPV6;
}
return (boolean)filter_var($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 array $check Value to check
* @param array $options Options for the check.
* @param boolean $strict Defaults to true, set to false to disable strict type check
* @return boolean Success
*/
public static function multiple($check, $options = array(), $strict = true) {
$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'], $strict)) {
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);
}
/**
* Checks if a value is a natural number.
*
* @param string $check Value to check
* @param boolean $allowZero Set true to allow zero, defaults to false
* @return boolean Success
* @see http://en.wikipedia.org/wiki/Natural_number
*/
public static function naturalNumber($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 $country Country code (defaults to 'all')
* @return boolean Success
*/
public static function phone($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 string|array $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 string|array $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}))';
$regex = '/^(?:(?:https?|ftps?|sftp|file|news|gopher):\/\/)' . (!empty($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.
*
* @param string $check Value to check
* @param array $list List to check against
* @param boolean $strict Defaults to true, set to false to disable strict type check
* @return boolean Success
*/
public static function inList($check, $list, $strict = true) {
return in_array($check, $list, $strict);
}
/**
* 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 $check Value to check
* @return boolean Success
*/
public static function uuid($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 string $check Value to check against the $regex expression
* @param string $regex Regular expression
* @return boolean Success of match
*/
protected static function _check($check, $regex) {
if (is_string($regex) && 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);
}
/**
* Checks the mime type of a file
*
* @param string|array $check
* @param array $mimeTypes to check for
* @return boolean Success
* @throws CakeException when mime type can not be determined.
*/
public static function mimeType($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.'));
}
return in_array($mime, $mimeTypes);
}
/**
* Checking for upload errors
*
* @param string|array $check
* @retrun boolean
* @see http://www.php.net/manual/en/features.file-upload.errors.php
*/
public static function uploadError($check) {
if (is_array($check) && isset($check['error'])) {
$check = $check['error'];
}
return $check === UPLOAD_ERR_OK;
}
/**
* Lazily populate the IP address patterns used for validations
*
* @return void
*/
protected static function _populateIp() {
if (!isset(self::$_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();
}
}