forked from GNUsocial/gnu-social
987 lines
34 KiB
PHP
987 lines
34 KiB
PHP
<?php
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/**
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* Validation class
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*
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* Copyright (c) 1997-2006 Pierre-Alain Joye,Tomas V.V.Cox, Amir Saied
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*
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* This source file is subject to the New BSD license, That is bundled
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* with this package in the file LICENSE, and is available through
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* the world-wide-web at
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* http://www.opensource.org/licenses/bsd-license.php
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* If you did not receive a copy of the new BSDlicense and are unable
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* to obtain it through the world-wide-web, please send a note to
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* pajoye@php.net so we can mail you a copy immediately.
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*
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* Author: Tomas V.V.Cox <cox@idecnet.com>
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* Pierre-Alain Joye <pajoye@php.net>
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* Amir Mohammad Saied <amir@php.net>
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*
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*
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* Package to validate various datas. It includes :
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* - numbers (min/max, decimal or not)
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* - email (syntax, domain check)
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* - string (predifined type alpha upper and/or lowercase, numeric,...)
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* - date (min, max, rfc822 compliant)
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* - uri (RFC2396)
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* - possibility valid multiple data with a single method call (::multiple)
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*
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* @category Validate
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* @package Validate
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* @author Tomas V.V.Cox <cox@idecnet.com>
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* @author Pierre-Alain Joye <pajoye@php.net>
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* @author Amir Mohammad Saied <amir@php.net>
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* @copyright 1997-2006 Pierre-Alain Joye,Tomas V.V.Cox,Amir Mohammad Saied
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* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
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* @version CVS: $Id$
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* @link http://pear.php.net/package/Validate
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*/
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// {{{ Constants
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/**
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* Methods for common data validations
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*/
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define('VALIDATE_NUM', '0-9');
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define('VALIDATE_SPACE', '\s');
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define('VALIDATE_ALPHA_LOWER', 'a-z');
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define('VALIDATE_ALPHA_UPPER', 'A-Z');
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define('VALIDATE_ALPHA', VALIDATE_ALPHA_LOWER . VALIDATE_ALPHA_UPPER);
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define('VALIDATE_EALPHA_LOWER', VALIDATE_ALPHA_LOWER . 'áéíóúýàèìòùäëïöüÿâêîôûãñõ¨åæç½ðøþß');
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define('VALIDATE_EALPHA_UPPER', VALIDATE_ALPHA_UPPER . 'ÁÉÍÓÚÝÀÈÌÒÙÄËÏÖܾÂÊÎÔÛÃÑÕ¦ÅÆǼÐØÞ');
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define('VALIDATE_EALPHA', VALIDATE_EALPHA_LOWER . VALIDATE_EALPHA_UPPER);
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define('VALIDATE_PUNCTUATION', VALIDATE_SPACE . '\.,;\:&"\'\?\!\(\)');
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define('VALIDATE_NAME', VALIDATE_EALPHA . VALIDATE_SPACE . "'" . '\-');
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define('VALIDATE_STREET', VALIDATE_NUM . VALIDATE_NAME . "/\\ºª\.");
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define('VALIDATE_ITLD_EMAILS', 1);
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define('VALIDATE_GTLD_EMAILS', 2);
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define('VALIDATE_CCTLD_EMAILS', 4);
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define('VALIDATE_ALL_EMAILS', 8);
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// }}}
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/**
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* Validation class
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*
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* Package to validate various datas. It includes :
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* - numbers (min/max, decimal or not)
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* - email (syntax, domain check)
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* - string (predifined type alpha upper and/or lowercase, numeric,...)
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* - date (min, max)
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* - uri (RFC2396)
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* - possibility valid multiple data with a single method call (::multiple)
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*
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* @category Validate
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* @package Validate
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* @author Tomas V.V.Cox <cox@idecnet.com>
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* @author Pierre-Alain Joye <pajoye@php.net>
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* @author Amir Mohammad Saied <amir@php.net>
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* @author Diogo Cordeiro <diogo@fc.up.pt>
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* @copyright 1997-2006 Pierre-Alain Joye,Tomas V.V.Cox,Amir Mohammad Saied
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* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
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* @version Release: @package_version@
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* @link http://pear.php.net/package/Validate
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*/
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class Validate
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{
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// {{{ International, Generic and Country code TLDs
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/**
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* International Top-Level Domain
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*
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* This is an array of the known international
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* top-level domain names.
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*
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* @var array $itld (International top-level domains)
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*/
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protected static $itld = [
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'arpa',
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'root',
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];
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/**
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* Generic top-level domain
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*
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* This is an array of the official
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* generic top-level domains.
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*
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* @var array $gtld (Generic top-level domains)
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*/
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protected static $gtld = [
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'aero',
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'biz',
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'cat',
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'com',
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'coop',
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'edu',
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'gov',
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'info',
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'int',
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'jobs',
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'mil',
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'mobi',
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'museum',
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'name',
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'net',
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'org',
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'pro',
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'travel',
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'asia',
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'post',
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'tel',
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'geo',
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];
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/**
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* Country code top-level domains
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*
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* This is an array of the official country
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* codes top-level domains
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*
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* @var array $cctld (Country Code Top-Level Domain)
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*/
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protected static $cctld = [
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'ac',
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'ad', 'ae', 'af', 'ag',
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'ai', 'al', 'am', 'an',
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'ao', 'aq', 'ar', 'as',
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'at', 'au', 'aw', 'ax',
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'az', 'ba', 'bb', 'bd',
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'be', 'bf', 'bg', 'bh',
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'bi', 'bj', 'bm', 'bn',
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'bo', 'br', 'bs', 'bt',
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'bu', 'bv', 'bw', 'by',
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'bz', 'ca', 'cc', 'cd',
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'cf', 'cg', 'ch', 'ci',
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'ck', 'cl', 'cm', 'cn',
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'co', 'cr', 'cs', 'cu',
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'cv', 'cx', 'cy', 'cz',
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'de', 'dj', 'dk', 'dm',
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'do', 'dz', 'ec', 'ee',
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'eg', 'eh', 'er', 'es',
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'et', 'eu', 'fi', 'fj',
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'fk', 'fm', 'fo', 'fr',
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'ga', 'gb', 'gd', 'ge',
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'gf', 'gg', 'gh', 'gi',
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'gl', 'gm', 'gn', 'gp',
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'gq', 'gr', 'gs', 'gt',
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'gu', 'gw', 'gy', 'hk',
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'hm', 'hn', 'hr', 'ht',
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'hu', 'id', 'ie', 'il',
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'im', 'in', 'io', 'iq',
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'ir', 'is', 'it', 'je',
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'jm', 'jo', 'jp', 'ke',
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'kg', 'kh', 'ki', 'km',
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'kn', 'kp', 'kr', 'kw',
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'ky', 'kz', 'la', 'lb',
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'lc', 'li', 'lk', 'lr',
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'ls', 'lt', 'lu', 'lv',
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'ly', 'ma', 'mc', 'md',
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'me', 'mg', 'mh', 'mk',
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'ml', 'mm', 'mn', 'mo',
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'mp', 'mq', 'mr', 'ms',
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'mt', 'mu', 'mv', 'mw',
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'mx', 'my', 'mz', 'na',
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'nc', 'ne', 'nf', 'ng',
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'ni', 'nl', 'no', 'np',
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'nr', 'nu', 'nz', 'om',
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'pa', 'pe', 'pf', 'pg',
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'ph', 'pk', 'pl', 'pm',
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'pn', 'pr', 'ps', 'pt',
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'pw', 'py', 'qa', 're',
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'ro', 'rs', 'ru', 'rw',
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'sa', 'sb', 'sc', 'sd',
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'se', 'sg', 'sh', 'si',
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'sj', 'sk', 'sl', 'sm',
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'sn', 'so', 'sr', 'st',
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'su', 'sv', 'sy', 'sz',
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'tc', 'td', 'tf', 'tg',
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'th', 'tj', 'tk', 'tl',
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'tm', 'tn', 'to', 'tp',
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'tr', 'tt', 'tv', 'tw',
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'tz', 'ua', 'ug', 'uk',
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'us', 'uy', 'uz', 'va',
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'vc', 've', 'vg', 'vi',
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'vn', 'vu', 'wf', 'ws',
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'ye', 'yt', 'yu', 'za',
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'zm', 'zw',
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];
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// }}}
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/**
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* Validate a tag URI (RFC4151)
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*
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* @param string $uri tag URI to validate
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*
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* @return bool true if valid tag URI, false if not
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*
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* @access private
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* @throws Exception
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*/
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private static function uriRFC4151(string $uri): bool
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{
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$datevalid = false;
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if (preg_match(
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'/^tag:(?<name>.*),(?<date>\d{4}-?\d{0,2}-?\d{0,2}):(?<specific>.*)(.*:)*$/',
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$uri,
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$matches
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)) {
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$date = $matches['date'];
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$date6 = strtotime($date);
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if ((strlen($date) == 4) && $date <= date('Y')) {
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$datevalid = true;
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} elseif ((strlen($date) == 7) && ($date6 < strtotime("now"))) {
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$datevalid = true;
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} elseif ((strlen($date) == 10) && ($date6 < strtotime("now"))) {
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$datevalid = true;
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}
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if (self::email($matches['name'])) {
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$namevalid = true;
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} else {
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$namevalid = self::email('info@' . $matches['name']);
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}
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return $datevalid && $namevalid;
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} else {
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return false;
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}
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}
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/**
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* Validate a number
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*
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* @param string $number Number to validate
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* @param array $options array where:
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* 'decimal' is the decimal char or false when decimal
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* not allowed.
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* i.e. ',.' to allow both ',' and '.'
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* 'dec_prec' Number of allowed decimals
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* 'min' minimum value
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* 'max' maximum value
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*
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* @return bool true if valid number, false if not
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*/
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public static function number($number, array $options = []): bool
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{
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$decimal = $dec_prec = $min = $max = null;
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if (is_array($options)) {
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extract($options);
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}
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$dec_prec = $dec_prec ? "{1,$dec_prec}" : '+';
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$dec_regex = $decimal ? "[$decimal][0-9]$dec_prec" : '';
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if (!preg_match("|^[-+]?\s*[0-9]+($dec_regex)?\$|", $number)) {
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return false;
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}
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if ($decimal != '.') {
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$number = strtr($number, $decimal, '.');
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}
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$number = (float)str_replace(' ', '', $number);
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if ($min !== null && $min > $number) {
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return false;
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}
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if ($max !== null && $max < $number) {
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return false;
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}
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return true;
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}
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/**
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* Converting a string to UTF-7 (RFC 2152)
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*
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* @param string $string string to be converted
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*
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* @return string converted string
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*/
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private static function stringToUtf7(string $string): string
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{
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$return = '';
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$utf7 = [
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'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K',
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'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V',
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'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
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'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r',
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's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2',
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'3', '4', '5', '6', '7', '8', '9', '+', ','
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];
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$state = 0;
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if (!empty($string)) {
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$i = 0;
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while ($i <= strlen($string)) {
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$char = substr($string, $i, 1);
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if ($state == 0) {
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if ((ord($char) >= 0x7F) || (ord($char) <= 0x1F)) {
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if ($char) {
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$return .= '&';
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}
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$state = 1;
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} elseif ($char == '&') {
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$return .= '&-';
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} else {
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$return .= $char;
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}
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} elseif (($i == strlen($string) ||
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!((ord($char) >= 0x7F)) || (ord($char) <= 0x1F))) {
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if ($state != 1) {
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if (ord($char) > 64) {
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$return .= '';
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} else {
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$return .= $utf7[ord($char)];
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}
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}
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$return .= '-';
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$state = 0;
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} else {
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switch ($state) {
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case 1:
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$return .= $utf7[ord($char) >> 2];
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$residue = (ord($char) & 0x03) << 4;
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$state = 2;
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break;
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case 2:
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$return .= $utf7[$residue | (ord($char) >> 4)];
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$residue = (ord($char) & 0x0F) << 2;
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$state = 3;
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break;
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case 3:
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$return .= $utf7[$residue | (ord($char) >> 6)];
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$return .= $utf7[ord($char) & 0x3F];
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$state = 1;
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break;
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}
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}
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$i++;
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}
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return $return;
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}
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return '';
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}
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/**
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* Validate an email according to full RFC822 (inclusive human readable part)
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*
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* @param string $email email to validate,
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* will return the address for optional dns validation
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* @param array $options email() options
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*
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* @return bool true if valid email, false if not
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*/
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private static function emailRFC822(string &$email, array &$options): bool
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{
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static $address = null;
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static $uncomment = null;
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if (!$address) {
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// atom = 1*<any CHAR except specials, SPACE and CTLs>
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$atom = '[^][()<>@,;:\\".\s\000-\037\177-\377]+\s*';
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// qtext = <any CHAR excepting <">, ; => may be folded
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// "\" & CR, and including linear-white-space>
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$qtext = '[^"\\\\\r]';
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// quoted-pair = "\" CHAR ; may quote any char
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$quoted_pair = '\\\\.';
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// quoted-string = <"> *(qtext/quoted-pair) <">; Regular qtext or
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// ; quoted chars.
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$quoted_string = '"(?:' . $qtext . '|' . $quoted_pair . ')*"\s*';
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// word = atom / quoted-string
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$word = '(?:' . $atom . '|' . $quoted_string . ')';
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// local-part = word *("." word) ; uninterpreted
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// ; case-preserved
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$local_part = $word . '(?:\.\s*' . $word . ')*';
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// dtext = <any CHAR excluding "[", ; => may be folded
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// "]", "\" & CR, & including linear-white-space>
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$dtext = '[^][\\\\\r]';
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// domain-literal = "[" *(dtext / quoted-pair) "]"
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$domain_literal = '\[(?:' . $dtext . '|' . $quoted_pair . ')*\]\s*';
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// sub-domain = domain-ref / domain-literal
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// domain-ref = atom ; symbolic reference
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$sub_domain = '(?:' . $atom . '|' . $domain_literal . ')';
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// domain = sub-domain *("." sub-domain)
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$domain = $sub_domain . '(?:\.\s*' . $sub_domain . ')*';
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// addr-spec = local-part "@" domain ; global address
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$addr_spec = $local_part . '@\s*' . $domain;
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// route = 1#("@" domain) ":" ; path-relative
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$route = '@' . $domain . '(?:,@\s*' . $domain . ')*:\s*';
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// route-addr = "<" [route] addr-spec ">"
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$route_addr = '<\s*(?:' . $route . ')?' . $addr_spec . '>\s*';
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// phrase = 1*word ; Sequence of words
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$phrase = $word . '+';
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// mailbox = addr-spec ; simple address
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// / phrase route-addr ; name & addr-spec
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$mailbox = '(?:' . $addr_spec . '|' . $phrase . $route_addr . ')';
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// group = phrase ":" [#mailbox] ";"
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$group = $phrase . ':\s*(?:' . $mailbox . '(?:,\s*' . $mailbox . ')*)?;\s*';
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// address = mailbox ; one addressee
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// / group ; named list
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$address = '/^\s*(?:' . $mailbox . '|' . $group . ')$/';
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$uncomment =
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'/((?:(?:\\\\"|[^("])*(?:' . $quoted_string .
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')?)*)((?<!\\\\)\((?:(?2)|.)*?(?<!\\\\)\))/';
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}
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// strip comments
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$email = preg_replace($uncomment, '$1 ', $email);
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return preg_match($address, $email);
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}
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/**
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* Full TLD Validation function
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*
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* This function is used to make a much more proficient validation
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* against all types of official domain names.
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*
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* @param string $email The email address to check.
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* @param array $options The options for validation
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*
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* @return bool True if validating succeeds
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*/
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protected static function fullTLDValidation(
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string $email,
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array $options
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): bool {
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$validate = [];
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if (!empty($options["VALIDATE_ITLD_EMAILS"])) {
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array_push($validate, 'itld');
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}
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if (!empty($options["VALIDATE_GTLD_EMAILS"])) {
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array_push($validate, 'gtld');
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}
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if (!empty($options["VALIDATE_CCTLD_EMAILS"])) {
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array_push($validate, 'cctld');
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}
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if (count($validate) === 0) {
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array_push($validate, 'itld', 'gtld', 'cctld');
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}
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$toValidate = [];
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foreach ($validate as $valid) {
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$tmpVar = (string) $valid;
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$toValidate[$valid] = self::$$tmpVar;
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}
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$e = self::executeFullEmailValidation($email, $toValidate);
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return $e;
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}
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/**
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* Execute the validation
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*
|
|
* This function will execute the full email vs tld
|
|
* validation using an array of tlds passed to it.
|
|
*
|
|
* @param string $email The email to validate.
|
|
* @param array $arrayOfTLDs The array of the TLDs to validate
|
|
*
|
|
* @return bool true or false (Depending on if it validates or if it does not)
|
|
*/
|
|
public static function executeFullEmailValidation(
|
|
string $email,
|
|
array $arrayOfTLDs
|
|
): bool {
|
|
$emailEnding = explode('.', $email);
|
|
$emailEnding = $emailEnding[count($emailEnding) - 1];
|
|
foreach ($arrayOfTLDs as $validator => $keys) {
|
|
if (in_array($emailEnding, $keys)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Validate an email
|
|
*
|
|
* @param string $email email to validate
|
|
* @param mixed bool (BC) $check_domain Check or not if the domain exists
|
|
* array $options associative array of options
|
|
* 'check_domain' boolean Check or not if the domain exists
|
|
* 'use_rfc822' boolean Apply the full RFC822 grammar
|
|
*
|
|
* Ex.
|
|
* $options = [
|
|
* 'check_domain' => 'true',
|
|
* 'fullTLDValidation' => 'true',
|
|
* 'use_rfc822' => 'true',
|
|
* 'VALIDATE_GTLD_EMAILS' => 'true',
|
|
* 'VALIDATE_CCTLD_EMAILS' => 'true',
|
|
* 'VALIDATE_ITLD_EMAILS' => 'true',
|
|
* ];
|
|
*
|
|
* @return bool true if valid email, false if not
|
|
*
|
|
* @throws Exception
|
|
*/
|
|
public static function email(string $email, $options = null): bool
|
|
{
|
|
$check_domain = false;
|
|
$use_rfc822 = false;
|
|
if (is_bool($options)) {
|
|
$check_domain = $options;
|
|
} elseif (is_array($options)) {
|
|
extract($options);
|
|
}
|
|
|
|
/**
|
|
* Check for IDN usage so we can encode the domain as Punycode
|
|
* before continuing.
|
|
*/
|
|
$hasIDNA = false;
|
|
|
|
if (self::includePathFileExists('Net/IDNA2.php')) {
|
|
include_once('Net/IDNA2.php');
|
|
$hasIDNA = true;
|
|
}
|
|
|
|
if ($hasIDNA === true) {
|
|
if (strpos($email, '@') !== false) {
|
|
$tmpEmail = explode('@', $email);
|
|
$domain = array_pop($tmpEmail);
|
|
|
|
// Check if the domain contains characters > 127 which means
|
|
// it's an idn domain name.
|
|
$chars = count_chars($domain, 1);
|
|
if (!empty($chars) && max(array_keys($chars)) > 127) {
|
|
$idna =& Net_IDNA2::singleton();
|
|
$domain = $idna->encode($domain);
|
|
}
|
|
|
|
array_push($tmpEmail, $domain);
|
|
$email = implode('@', $tmpEmail);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @todo Fix bug here.. even if it passes this, it won't be passing
|
|
* The regular expression below
|
|
*/
|
|
if (isset($fullTLDValidation)) {
|
|
//$valid = self::fullTLDValidation($email, $fullTLDValidation);
|
|
$valid = self::fullTLDValidation($email, $options);
|
|
|
|
if (!$valid) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// the base regexp for address
|
|
$regex = '&^(?: # recipient:
|
|
("\s*(?:[^"\f\n\r\t\v\b\s]+\s*)+")| #1 quoted name
|
|
([-\w!\#\$%\&\'*+~/^`|{}]+(?:\.[-\w!\#\$%\&\'*+~/^`|{}]+)*)) #2 OR dot-atom
|
|
@(((\[)? #3 domain, 4 as IPv4, 5 optionally bracketed
|
|
(?:(?:(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:[0-1]?[0-9]?[0-9]))\.){3}
|
|
(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:[0-1]?[0-9]?[0-9]))))(?(5)\])|
|
|
((?:[a-z0-9](?:[-a-z0-9]*[a-z0-9])?\.)*[a-z0-9](?:[-a-z0-9]*[a-z0-9])?) #6 domain as hostname
|
|
\.((?:([^- ])[-a-z]*[-a-z]))) #7 TLD
|
|
$&xi';
|
|
|
|
//checks if exists the domain (MX or A)
|
|
if ($use_rfc822 ? self::emailRFC822($email, $options) :
|
|
preg_match($regex, $email)) {
|
|
if ($check_domain && function_exists('checkdnsrr')) {
|
|
$domain = preg_replace('/[^-a-z.0-9]/i', '', array_pop(explode('@', $email)));
|
|
if (checkdnsrr($domain, 'MX') || checkdnsrr($domain, 'A')) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Validate a string using the given format 'format'
|
|
*
|
|
* @param string $string String to validate
|
|
* @param array|string $options Options array where:
|
|
* 'format' is the format of the string
|
|
* Ex:VALIDATE_NUM . VALIDATE_ALPHA (see constants)
|
|
* 'min_length' minimum length
|
|
* 'max_length' maximum length
|
|
*
|
|
* @return bool true if valid string, false if not
|
|
*/
|
|
public static function string(string $string, $options): bool
|
|
{
|
|
$format = null;
|
|
$min_length = 0;
|
|
$max_length = 0;
|
|
|
|
if (is_array($options)) {
|
|
extract($options);
|
|
}
|
|
|
|
if ($format && !preg_match("|^[$format]*\$|s", $string)) {
|
|
return false;
|
|
}
|
|
|
|
if ($min_length && strlen($string) < $min_length) {
|
|
return false;
|
|
}
|
|
|
|
if ($max_length && strlen($string) > $max_length) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Validate an URI (RFC2396)
|
|
* This function will validate 'foobarstring' by default, to get it to validate
|
|
* only http, https, ftp and such you have to pass it in the allowed_schemes
|
|
* option, like this:
|
|
* <code>
|
|
* $options = ['allowed_schemes' => ['http', 'https', 'ftp']]
|
|
* var_dump(Validate::uri('http://www.example.org', $options));
|
|
* </code>
|
|
*
|
|
* NOTE 1: The rfc2396 normally allows middle '-' in the top domain
|
|
* e.g. http://example.co-m should be valid
|
|
* However, as '-' is not used in any known TLD, it is invalid
|
|
* NOTE 2: As double shlashes // are allowed in the path part, only full URIs
|
|
* including an authority can be valid, no relative URIs
|
|
* the // are mandatory (optionally preceeded by the 'sheme:' )
|
|
* NOTE 3: the full complience to rfc2396 is not achieved by default
|
|
* the characters ';/?:@$,' will not be accepted in the query part
|
|
* if not urlencoded, refer to the option "strict'"
|
|
*
|
|
* @param string $url URI to validate
|
|
* @param array|null $options Options used by the validation method.
|
|
* key => type
|
|
* 'domain_check' => boolean
|
|
* Whether to check the DNS entry or not
|
|
* 'allowed_schemes' => array, list of protocols
|
|
* List of allowed schemes ('http',
|
|
* 'ssh+svn', 'mms')
|
|
* 'strict' => string the refused chars
|
|
* in query and fragment parts
|
|
* default: ';/?:@$,'
|
|
* empty: accept all rfc2396 foreseen chars
|
|
*
|
|
* @return bool true if valid uri, false if not
|
|
*
|
|
* @throws Exception
|
|
*/
|
|
public static function uri(string $url, ?array $options = null): bool
|
|
{
|
|
$strict = ';/?:@$,';
|
|
$domain_check = false;
|
|
$allowed_schemes = null;
|
|
if (is_array($options)) {
|
|
extract($options);
|
|
}
|
|
if (is_array($allowed_schemes) &&
|
|
in_array("tag", $allowed_schemes)
|
|
) {
|
|
if (strpos($url, "tag:") === 0) {
|
|
return self::uriRFC4151($url);
|
|
}
|
|
}
|
|
|
|
if (preg_match(
|
|
'&^(?:([a-z][-+.a-z0-9]*):)? # 1. scheme
|
|
(?:// # authority start
|
|
(?:((?:%[0-9a-f]{2}|[-a-z0-9_.!~*\'();:\&=+$,])*)@)? # 2. authority-userinfo
|
|
(?:((?:[a-z0-9](?:[-a-z0-9]*[a-z0-9])?\.)*[a-z](?:[a-z0-9]+)?\.?) # 3. authority-hostname OR
|
|
|([0-9]{1,3}(?:\.[0-9]{1,3}){3})) # 4. authority-ipv4
|
|
(?::([0-9]*))?) # 5. authority-port
|
|
((?:/(?:%[0-9a-f]{2}|[-a-z0-9_.!~*\'():@\&=+$,;])*)*/?)? # 6. path
|
|
(?:\?([^#]*))? # 7. query
|
|
(?:\#((?:%[0-9a-f]{2}|[-a-z0-9_.!~*\'();/?:@\&=+$,])*))? # 8. fragment
|
|
$&xi',
|
|
$url,
|
|
$matches
|
|
)) {
|
|
$scheme = isset($matches[1]) ? $matches[1] : '';
|
|
$authority = isset($matches[3]) ? $matches[3] : '';
|
|
if (is_array($allowed_schemes) &&
|
|
!in_array($scheme, $allowed_schemes)
|
|
) {
|
|
return false;
|
|
}
|
|
if (!empty($matches[4])) {
|
|
$parts = explode('.', $matches[4]);
|
|
foreach ($parts as $part) {
|
|
if ($part > 255) {
|
|
return false;
|
|
}
|
|
}
|
|
} elseif ($domain_check && function_exists('checkdnsrr')) {
|
|
if (!checkdnsrr($authority, 'A')) {
|
|
return false;
|
|
}
|
|
}
|
|
if ($strict) {
|
|
$strict = '#[' . preg_quote($strict, '#') . ']#';
|
|
if ((!empty($matches[7]) && preg_match($strict, $matches[7]))
|
|
|| (!empty($matches[8]) && preg_match($strict, $matches[8]))) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Substr
|
|
*
|
|
* @param string &$date Date
|
|
* @param string $num Length
|
|
* @param string|false $opt Unknown
|
|
*
|
|
* @return string
|
|
*/
|
|
private static function substr(
|
|
string &$date,
|
|
string $num,
|
|
$opt = false
|
|
): string {
|
|
if (
|
|
$opt
|
|
&& strlen($date) >= $opt
|
|
&& preg_match('/^[0-9]{' . $opt . '}/', $date, $m)
|
|
) {
|
|
$ret = $m[0];
|
|
} else {
|
|
$ret = substr($date, 0, $num);
|
|
}
|
|
$date = substr($date, strlen($ret));
|
|
return $ret;
|
|
}
|
|
|
|
protected static function modf($val, $div)
|
|
{
|
|
if (function_exists('bcmod')) {
|
|
return bcmod($val, $div);
|
|
} elseif (function_exists('fmod')) {
|
|
return fmod($val, $div);
|
|
}
|
|
$r = $val / $div;
|
|
$i = intval($r);
|
|
return intval($val - $i * $div + .1);
|
|
}
|
|
|
|
/**
|
|
* Calculates sum of product of number digits with weights
|
|
*
|
|
* @param string $number number string
|
|
* @param array $weights reference to array of weights
|
|
*
|
|
* @return int returns product of number digits with weights
|
|
*/
|
|
protected static function multWeights(
|
|
string $number,
|
|
array &$weights
|
|
): int {
|
|
if (!is_array($weights)) {
|
|
return -1;
|
|
}
|
|
$sum = 0;
|
|
|
|
$count = min(count($weights), strlen($number));
|
|
if ($count == 0) { // empty string or weights array
|
|
return -1;
|
|
}
|
|
for ($i = 0; $i < $count; ++$i) {
|
|
$sum += intval(substr($number, $i, 1)) * $weights[$i];
|
|
}
|
|
|
|
return $sum;
|
|
}
|
|
|
|
/**
|
|
* Calculates control digit for a given number
|
|
*
|
|
* @param string $number number string
|
|
* @param array $weights reference to array of weights
|
|
* @param int $modulo (optionsl) number
|
|
* @param int $subtract (optional) number
|
|
* @param bool $allow_high (optional) true if function can return number higher than 10
|
|
*
|
|
* @return int -1 calculated control number is returned
|
|
*/
|
|
protected static function getControlNumber(
|
|
string $number,
|
|
array &$weights,
|
|
int $modulo = 10,
|
|
int $subtract = 0,
|
|
bool $allow_high = false
|
|
): int {
|
|
// calc sum
|
|
$sum = self::multWeights($number, $weights);
|
|
if ($sum == -1) {
|
|
return -1;
|
|
}
|
|
$mod = self::modf($sum, $modulo); // calculate control digit
|
|
|
|
if ($subtract > $mod && $mod > 0) {
|
|
$mod = $subtract - $mod;
|
|
}
|
|
if ($allow_high === false) {
|
|
$mod %= 10; // change 10 to zero
|
|
}
|
|
return $mod;
|
|
}
|
|
|
|
/**
|
|
* Validates a number
|
|
*
|
|
* @param string $number number to validate
|
|
* @param array $weights reference to array of weights
|
|
* @param int $modulo (optional) number
|
|
* @param int $subtract (optional) number
|
|
*
|
|
* @return bool true if valid, false if not
|
|
*/
|
|
protected static function checkControlNumber(
|
|
string $number,
|
|
array &$weights,
|
|
int $modulo = 10,
|
|
int $subtract = 0
|
|
): bool
|
|
{
|
|
if (strlen($number) < count($weights)) {
|
|
return false;
|
|
}
|
|
$target_digit = substr($number, count($weights), 1);
|
|
$control_digit = self::getControlNumber(
|
|
$number,
|
|
$weights,
|
|
$modulo,
|
|
$subtract,
|
|
($modulo > 10)
|
|
);
|
|
|
|
if ($control_digit == -1) {
|
|
return false;
|
|
}
|
|
if ($target_digit === 'X' && $control_digit == 10) {
|
|
return true;
|
|
}
|
|
if ($control_digit != $target_digit) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Bulk data validation for data introduced in the form of an
|
|
* assoc array in the form $var_name => $value.
|
|
* Can be used on any of Validate subpackages
|
|
*
|
|
* @param array $data Ex: ['name' => 'toto', 'email' => 'toto@thing.info'];
|
|
* @param array $val_type Contains the validation type and all parameters used in.
|
|
* 'val_type' is not optional
|
|
* others validations properties must have the same name as the function
|
|
* parameters.
|
|
* Ex: ['toto' => ['type'=>'string','format'='toto@thing.info','min_length'=>5]];
|
|
* @param bool $remove if set, the elements not listed in data will be removed
|
|
*
|
|
* @return array value name => true|false the value name comes from the data key
|
|
*/
|
|
public static function multiple(
|
|
array &$data,
|
|
array &$val_type,
|
|
bool $remove = false
|
|
): array {
|
|
$keys = array_keys($data);
|
|
$valid = [];
|
|
|
|
foreach ($keys as $var_name) {
|
|
if (!isset($val_type[$var_name])) {
|
|
if ($remove) {
|
|
unset($data[$var_name]);
|
|
}
|
|
continue;
|
|
}
|
|
$opt = $val_type[$var_name];
|
|
$methods = get_class_methods('Validate');
|
|
$val2check = $data[$var_name];
|
|
// core validation method
|
|
if (in_array(strtolower($opt['type']), $methods)) {
|
|
//$opt[$opt['type']] = $data[$var_name];
|
|
$method = $opt['type'];
|
|
unset($opt['type']);
|
|
|
|
if (sizeof($opt) == 1 && is_array(reset($opt))) {
|
|
$opt = array_pop($opt);
|
|
}
|
|
$valid[$var_name] = call_user_func(['Validate', $method], $val2check, $opt);
|
|
|
|
/**
|
|
* external validation method in the form:
|
|
* "<class name><underscore><method name>"
|
|
* Ex: us_ssn will include class Validate/US.php and call method ssn()
|
|
*/
|
|
} elseif (strpos($opt['type'], '_') !== false) {
|
|
$validateType = explode('_', $opt['type']);
|
|
$method = array_pop($validateType);
|
|
$class = implode('_', $validateType);
|
|
$classPath = str_replace('_', DIRECTORY_SEPARATOR, $class);
|
|
$class = 'Validate_' . $class;
|
|
if (self::includePathFileExists("Validate/{$classPath}.php")) {
|
|
include_once "Validate/{$classPath}.php";
|
|
} else {
|
|
trigger_error("$class isn't installed or you may have some permission issues", E_USER_ERROR);
|
|
}
|
|
|
|
$ce = substr(phpversion(), 0, 1) > 4 ?
|
|
class_exists($class, false) : class_exists($class);
|
|
if (!$ce ||
|
|
!in_array($method, get_class_methods($class))
|
|
) {
|
|
trigger_error(
|
|
"Invalid validation type $class::$method",
|
|
E_USER_WARNING
|
|
);
|
|
continue;
|
|
}
|
|
unset($opt['type']);
|
|
if (sizeof($opt) == 1) {
|
|
$opt = array_pop($opt);
|
|
}
|
|
$valid[$var_name] = call_user_func(
|
|
array($class, $method),
|
|
$data[$var_name],
|
|
$opt
|
|
);
|
|
} else {
|
|
trigger_error(
|
|
"Invalid validation type {$opt['type']}",
|
|
E_USER_WARNING
|
|
);
|
|
}
|
|
}
|
|
return $valid;
|
|
}
|
|
|
|
/**
|
|
* Determine whether specified file exists along the include path.
|
|
*
|
|
* @param string $filename file to search for
|
|
*
|
|
* @return bool true if file exists
|
|
*/
|
|
private static function includePathFileExists(string $filename): bool
|
|
{
|
|
$paths = explode(":", ini_get("include_path"));
|
|
$result = false;
|
|
|
|
foreach ($paths as $val) {
|
|
$result = file_exists($val . "/" . $filename);
|
|
if ($result) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
}
|