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/lib/zend/Zend/Validate/Hostname.php

https://bitbucket.org/synergylearning/campusconnect
PHP | 740 lines | 445 code | 66 blank | 229 comment | 73 complexity | 681e78eee94608b24b3260224800d6e0 MD5 | raw file
Possible License(s): MPL-2.0-no-copyleft-exception, LGPL-3.0, GPL-3.0, LGPL-2.1, Apache-2.0, BSD-3-Clause, AGPL-3.0 
    

  1. <?php
    2. 

  2. /**
    3. 

  3.  * Zend Framework
    4. 

  4.  *
    5. 

  5.  * LICENSE
    6. 

  6.  *
    7. 

  7.  * This source file is subject to the new BSD license that is bundled
    8. 

  8.  * with this package in the file LICENSE.txt.
    9. 

  9.  * It is also available through the world-wide-web at this URL:
    10. 

  10.  * http://framework.zend.com/license/new-bsd
    11. 

  11.  * If you did not receive a copy of the license and are unable to
    12. 

  12.  * obtain it through the world-wide-web, please send an email
    13. 

  13.  * to license@zend.com so we can send you a copy immediately.
    14. 

  14.  *
    15. 

  15.  * @category   Zend
    16. 

  16.  * @package    Zend_Validate
    17. 

  17.  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
    18. 

  18.  * @license    http://framework.zend.com/license/new-bsd     New BSD License
    19. 

  19.  * @version    $Id$
    20. 

  20.  */
    21. 

  21. 

  22. /**
    23. 

  23.  * @see Zend_Validate_Abstract
    24. 

  24.  */
    25. 

  25. require_once 'Zend/Validate/Abstract.php';
    26. 

  26. 

  27. /**
    28. 

  28.  * @see Zend_Validate_Ip
    29. 

  29.  */
    30. 

  30. require_once 'Zend/Validate/Ip.php';
    31. 

  31. 

  32. /**
    33. 

  33.  * Please note there are two standalone test scripts for testing IDN characters due to problems
    34. 

  34.  * with file encoding.
    35. 

  35.  *
    36. 

  36.  * The first is tests/Zend/Validate/HostnameTestStandalone.php which is designed to be run on
    37. 

  37.  * the command line.
    38. 

  38.  *
    39. 

  39.  * The second is tests/Zend/Validate/HostnameTestForm.php which is designed to be run via HTML
    40. 

  40.  * to allow users to test entering UTF-8 characters in a form.
    41. 

  41.  *
    42. 

  42.  * @category   Zend
    43. 

  43.  * @package    Zend_Validate
    44. 

  44.  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
    45. 

  45.  * @license    http://framework.zend.com/license/new-bsd     New BSD License
    46. 

  46.  */
    47. 

  47. class Zend_Validate_Hostname extends Zend_Validate_Abstract
    48. 

  48. {
    49. 

  49.     const INVALID                 = 'hostnameInvalid';
    50. 

  50.     const IP_ADDRESS_NOT_ALLOWED  = 'hostnameIpAddressNotAllowed';
    51. 

  51.     const UNKNOWN_TLD             = 'hostnameUnknownTld';
    52. 

  52.     const INVALID_DASH            = 'hostnameDashCharacter';
    53. 

  53.     const INVALID_HOSTNAME_SCHEMA = 'hostnameInvalidHostnameSchema';
    54. 

  54.     const UNDECIPHERABLE_TLD      = 'hostnameUndecipherableTld';
    55. 

  55.     const INVALID_HOSTNAME        = 'hostnameInvalidHostname';
    56. 

  56.     const INVALID_LOCAL_NAME      = 'hostnameInvalidLocalName';
    57. 

  57.     const LOCAL_NAME_NOT_ALLOWED  = 'hostnameLocalNameNotAllowed';
    58. 

  58.     const CANNOT_DECODE_PUNYCODE  = 'hostnameCannotDecodePunycode';
    59. 

  59. 

  60.     /**
    61. 

  61.      * @var array
    62. 

  62.      */
    63. 

  63.     protected $_messageTemplates = array(
    64. 

  64.         self::INVALID                 => "Invalid type given, value should be a string",
    65. 

  65.         self::IP_ADDRESS_NOT_ALLOWED  => "'%value%' appears to be an IP address, but IP addresses are not allowed",
    66. 

  66.         self::UNKNOWN_TLD             => "'%value%' appears to be a DNS hostname but cannot match TLD against known list",
    67. 

  67.         self::INVALID_DASH            => "'%value%' appears to be a DNS hostname but contains a dash in an invalid position",
    68. 

  68.         self::INVALID_HOSTNAME_SCHEMA => "'%value%' appears to be a DNS hostname but cannot match against hostname schema for TLD '%tld%'",
    69. 

  69.         self::UNDECIPHERABLE_TLD      => "'%value%' appears to be a DNS hostname but cannot extract TLD part",
    70. 

  70.         self::INVALID_HOSTNAME        => "'%value%' does not match the expected structure for a DNS hostname",
    71. 

  71.         self::INVALID_LOCAL_NAME      => "'%value%' does not appear to be a valid local network name",
    72. 

  72.         self::LOCAL_NAME_NOT_ALLOWED  => "'%value%' appears to be a local network name but local network names are not allowed",
    73. 

  73.         self::CANNOT_DECODE_PUNYCODE  => "'%value%' appears to be a DNS hostname but the given punycode notation cannot be decoded",
    74. 

  74.     );
    75. 

  75. 

  76.     /**
    77. 

  77.      * @var array
    78. 

  78.      */
    79. 

  79.     protected $_messageVariables = array(
    80. 

  80.         'tld' => '_tld'
    81. 

  81.     );
    82. 

  82. 

  83.     /**
    84. 

  84.      * Allows Internet domain names (e.g., example.com)
    85. 

  85.      */
    86. 

  86.     const ALLOW_DNS   = 1;
    87. 

  87. 

  88.     /**
    89. 

  89.      * Allows IP addresses
    90. 

  90.      */
    91. 

  91.     const ALLOW_IP    = 2;
    92. 

  92. 

  93.     /**
    94. 

  94.      * Allows local network names (e.g., localhost, www.localdomain)
    95. 

  95.      */
    96. 

  96.     const ALLOW_LOCAL = 4;
    97. 

  97. 

  98.     /**
    99. 

  99.      * Allows all types of hostnames
    100. 

  100.      */
    101. 

  101.     const ALLOW_ALL   = 7;
    102. 

  102. 

  103.     /**
    104. 

  104.      * Array of valid top-level-domains
    105. 

  105.      *
    106. 

  106.      * @see ftp://data.iana.org/TLD/tlds-alpha-by-domain.txt  List of all TLDs by domain
    107. 

  107.      * @see http://www.iana.org/domains/root/db/ Official list of supported TLDs
    108. 

  108.      * @var array
    109. 

  109.      */
    110. 

  110.     protected $_validTlds = array(
    111. 

  111.         'ac', 'ad', 'ae', 'aero', 'af', 'ag', 'ai', 'al', 'am', 'an', 'ao', 'aq', 'ar', 'arpa',
    112. 

  112.         'as', 'asia', 'at', 'au', 'aw', 'ax', 'az', 'ba', 'bb', 'bd', 'be', 'bf', 'bg', 'bh', 'bi',
    113. 

  113.         'biz', 'bj', 'bm', 'bn', 'bo', 'br', 'bs', 'bt', 'bv', 'bw', 'by', 'bz', 'ca', 'cat', 'cc',
    114. 

  114.         'cd', 'cf', 'cg', 'ch', 'ci', 'ck', 'cl', 'cm', 'cn', 'co', 'com', 'coop', 'cr', 'cu',
    115. 

  115.         'cv', 'cx', 'cy', 'cz', 'de', 'dj', 'dk', 'dm', 'do', 'dz', 'ec', 'edu', 'ee', 'eg', 'er',
    116. 

  116.         'es', 'et', 'eu', 'fi', 'fj', 'fk', 'fm', 'fo', 'fr', 'ga', 'gb', 'gd', 'ge', 'gf', 'gg',
    117. 

  117.         'gh', 'gi', 'gl', 'gm', 'gn', 'gov', 'gp', 'gq', 'gr', 'gs', 'gt', 'gu', 'gw', 'gy', 'hk',
    118. 

  118.         'hm', 'hn', 'hr', 'ht', 'hu', 'id', 'ie', 'il', 'im', 'in', 'info', 'int', 'io', 'iq',
    119. 

  119.         'ir', 'is', 'it', 'je', 'jm', 'jo', 'jobs', 'jp', 'ke', 'kg', 'kh', 'ki', 'km', 'kn', 'kp',
    120. 

  120.         'kr', 'kw', 'ky', 'kz', 'la', 'lb', 'lc', 'li', 'lk', 'lr', 'ls', 'lt', 'lu', 'lv', 'ly',
    121. 

  121.         'ma', 'mc', 'md', 'me', 'mg', 'mh', 'mil', 'mk', 'ml', 'mm', 'mn', 'mo', 'mobi', 'mp',
    122. 

  122.         'mq', 'mr', 'ms', 'mt', 'mu', 'museum', 'mv', 'mw', 'mx', 'my', 'mz', 'na', 'name', 'nc',
    123. 

  123.         'ne', 'net', 'nf', 'ng', 'ni', 'nl', 'no', 'np', 'nr', 'nu', 'nz', 'om', 'org', 'pa', 'pe',
    124. 

  124.         'pf', 'pg', 'ph', 'pk', 'pl', 'pm', 'pn', 'pr', 'pro', 'ps', 'pt', 'pw', 'py', 'qa', 're',
    125. 

  125.         'ro', 'rs', 'ru', 'rw', 'sa', 'sb', 'sc', 'sd', 'se', 'sg', 'sh', 'si', 'sj', 'sk', 'sl',
    126. 

  126.         'sm', 'sn', 'so', 'sr', 'st', 'su', 'sv', 'sy', 'sz', 'tc', 'td', 'tel', 'tf', 'tg', 'th',
    127. 

  127.         'tj', 'tk', 'tl', 'tm', 'tn', 'to', 'tp', 'tr', 'travel', 'tt', 'tv', 'tw', 'tz', 'ua',
    128. 

  128.         'ug', 'uk', 'um', 'us', 'uy', 'uz', 'va', 'vc', 've', 'vg', 'vi', 'vn', 'vu', 'wf', 'ws',
    129. 

  129.         'ye', 'yt', 'yu', 'za', 'zm', 'zw'
    130. 

  130.     );
    131. 

  131. 

  132.     /**
    133. 

  133.      * @var string
    134. 

  134.      */
    135. 

  135.     protected $_tld;
    136. 

  136. 

  137.     /**
    138. 

  138.      * Array for valid Idns
    139. 

  139.      * @see http://www.iana.org/domains/idn-tables/ Official list of supported IDN Chars
    140. 

  140.      * (.AC) Ascension Island http://www.nic.ac/pdf/AC-IDN-Policy.pdf
    141. 

  141.      * (.AR) Argentinia http://www.nic.ar/faqidn.html
    142. 

  142.      * (.AS) American Samoa http://www.nic.as/idn/chars.cfm
    143. 

  143.      * (.AT) Austria http://www.nic.at/en/service/technical_information/idn/charset_converter/
    144. 

  144.      * (.BIZ) International http://www.iana.org/domains/idn-tables/
    145. 

  145.      * (.BR) Brazil http://registro.br/faq/faq6.html
    146. 

  146.      * (.BV) Bouvett Island http://www.norid.no/domeneregistrering/idn/idn_nyetegn.en.html
    147. 

  147.      * (.CAT) Catalan http://www.iana.org/domains/idn-tables/tables/cat_ca_1.0.html
    148. 

  148.      * (.CH) Switzerland https://nic.switch.ch/reg/ocView.action?res=EF6GW2JBPVTG67DLNIQXU234MN6SC33JNQQGI7L6#anhang1
    149. 

  149.      * (.CL) Chile http://www.iana.org/domains/idn-tables/tables/cl_latn_1.0.html
    150. 

  150.      * (.COM) International http://www.verisign.com/information-services/naming-services/internationalized-domain-names/index.html
    151. 

  151.      * (.DE) Germany http://www.denic.de/en/domains/idns/liste.html
    152. 

  152.      * (.DK) Danmark http://www.dk-hostmaster.dk/index.php?id=151
    153. 

  153.      * (.ES) Spain https://www.nic.es/media/2008-05/1210147705287.pdf
    154. 

  154.      * (.FI) Finland http://www.ficora.fi/en/index/palvelut/fiverkkotunnukset/aakkostenkaytto.html
    155. 

  155.      * (.GR) Greece https://grweb.ics.forth.gr/CharacterTable1_en.jsp
    156. 

  156.      * (.HU) Hungary http://www.domain.hu/domain/English/szabalyzat/szabalyzat.html
    157. 

  157.      * (.INFO) International http://www.nic.info/info/idn
    158. 

  158.      * (.IO) British Indian Ocean Territory http://www.nic.io/IO-IDN-Policy.pdf
    159. 

  159.      * (.IR) Iran http://www.nic.ir/Allowable_Characters_dot-iran
    160. 

  160.      * (.IS) Iceland http://www.isnic.is/domain/rules.php
    161. 

  161.      * (.KR) Korea http://www.iana.org/domains/idn-tables/tables/kr_ko-kr_1.0.html
    162. 

  162.      * (.LI) Liechtenstein https://nic.switch.ch/reg/ocView.action?res=EF6GW2JBPVTG67DLNIQXU234MN6SC33JNQQGI7L6#anhang1
    163. 

  163.      * (.LT) Lithuania http://www.domreg.lt/static/doc/public/idn_symbols-en.pdf
    164. 

  164.      * (.MD) Moldova http://www.register.md/
    165. 

  165.      * (.MUSEUM) International http://www.iana.org/domains/idn-tables/tables/museum_latn_1.0.html
    166. 

  166.      * (.NET) International http://www.verisign.com/information-services/naming-services/internationalized-domain-names/index.html
    167. 

  167.      * (.NO) Norway http://www.norid.no/domeneregistrering/idn/idn_nyetegn.en.html
    168. 

  168.      * (.NU) Niue http://www.worldnames.net/
    169. 

  169.      * (.ORG) International http://www.pir.org/index.php?db=content/FAQs&tbl=FAQs_Registrant&id=2
    170. 

  170.      * (.PE) Peru https://www.nic.pe/nuevas_politicas_faq_2.php
    171. 

  171.      * (.PL) Poland http://www.dns.pl/IDN/allowed_character_sets.pdf
    172. 

  172.      * (.PR) Puerto Rico http://www.nic.pr/idn_rules.asp
    173. 

  173.      * (.PT) Portugal https://online.dns.pt/dns_2008/do?com=DS;8216320233;111;+PAGE(4000058)+K-CAT-CODIGO(C.125)+RCNT(100);
    174. 

  174.      * (.RU) Russia http://www.iana.org/domains/idn-tables/tables/ru_ru-ru_1.0.html
    175. 

  175.      * (.SA) Saudi Arabia http://www.iana.org/domains/idn-tables/tables/sa_ar_1.0.html
    176. 

  176.      * (.SE) Sweden http://www.iis.se/english/IDN_campaignsite.shtml?lang=en
    177. 

  177.      * (.SH) Saint Helena http://www.nic.sh/SH-IDN-Policy.pdf
    178. 

  178.      * (.SJ) Svalbard and Jan Mayen http://www.norid.no/domeneregistrering/idn/idn_nyetegn.en.html
    179. 

  179.      * (.TH) Thailand http://www.iana.org/domains/idn-tables/tables/th_th-th_1.0.html
    180. 

  180.      * (.TM) Turkmenistan http://www.nic.tm/TM-IDN-Policy.pdf
    181. 

  181.      * (.TR) Turkey https://www.nic.tr/index.php
    182. 

  182.      * (.VE) Venice http://www.iana.org/domains/idn-tables/tables/ve_es_1.0.html
    183. 

  183.      * (.VN) Vietnam http://www.vnnic.vn/english/5-6-300-2-2-04-20071115.htm#1.%20Introduction
    184. 

  184.      *
    185. 

  185.      * @var array
    186. 

  186.      */
    187. 

  187.     protected $_validIdns = array(
    188. 

  188.         'AC'  => array(1 => '/^[\x{002d}0-9a-zà-öø-ÿāăąćĉċčďđēėęěĝġģĥħīįĵķĺļľŀłńņňŋőœŕŗřśŝşšţťŧūŭůűųŵŷźżž]{1,63}$/iu'),
    189. 

  189.         'AR'  => array(1 => '/^[\x{002d}0-9a-zà-ãç-êìíñ-õü]{1,63}$/iu'),
    190. 

  190.         'AS'  => array(1 => '/^[\x{002d}0-9a-zà-öø-ÿāăąćĉċčďđēĕėęěĝğġģĥħĩīĭįıĵķĸĺļľłńņňŋōŏőœŕŗřśŝşšţťŧũūŭůűųŵŷźż]{1,63}$/iu'),
    191. 

  191.         'AT'  => array(1 => '/^[\x{002d}0-9a-zà-öø-ÿœšž]{1,63}$/iu'),
    192. 

  192.         'BIZ' => 'Hostname/Biz.php',
    193. 

  193.         'BR'  => array(1 => '/^[\x{002d}0-9a-zà-ãçéíó-õúü]{1,63}$/iu'),
    194. 

  194.         'BV'  => array(1 => '/^[\x{002d}0-9a-zàáä-éêñ-ôöøüčđńŋšŧž]{1,63}$/iu'),
    195. 

  195.         'CAT' => array(1 => '/^[\x{002d}0-9a-z·àç-éíïòóúü]{1,63}$/iu'),
    196. 

  196.         'CH'  => array(1 => '/^[\x{002d}0-9a-zà-öø-ÿœ]{1,63}$/iu'),
    197. 

  197.         'CL'  => array(1 => '/^[\x{002d}0-9a-záéíñóúü]{1,63}$/iu'),
    198. 

  198.         'CN'  => 'Hostname/Cn.php',
    199. 

  199.         'COM' => 'Zend/Validate/Hostname/Com.php',
    200. 

  200.         'DE'  => array(1 => '/^[\x{002d}0-9a-zà-öø-ÿăąāćĉčċďđĕěėęēğĝġģĥħĭĩįīıĵķĺľļłńňņŋŏőōœĸŕřŗśŝšşťţŧŭůűũųūŵŷźžż]{1,63}$/iu'),
    201. 

  201.         'DK'  => array(1 => '/^[\x{002d}0-9a-zäéöü]{1,63}$/iu'),
    202. 

  202.         'ES'  => array(1 => '/^[\x{002d}0-9a-zàáçèéíïñòóúü·]{1,63}$/iu'),
    203. 

  203.         'EU'  => array(1 => '/^[\x{002d}0-9a-zà-öø-ÿ]{1,63}$/iu',
    204. 

  204.             2 => '/^[\x{002d}0-9a-zāăąćĉċčďđēĕėęěĝğġģĥħĩīĭįıĵķĺļľŀłńņňʼnŋōŏőœŕŗřśŝšťŧũūŭůűųŵŷźżž]{1,63}$/iu',
    205. 

  205.             3 => '/^[\x{002d}0-9a-zșț]{1,63}$/iu',
    206. 

  206.             4 => '/^[\x{002d}0-9a-zΐάέήίΰαβγδεζηθικλμνξοπρςστυφχψωϊϋόύώ]{1,63}$/iu',
    207. 

  207.             5 => '/^[\x{002d}0-9a-zабвгдежзийклмнопрстуфхцчшщъыьэюя]{1,63}$/iu',
    208. 

  208.             6 => '/^[\x{002d}0-9a-zἀ-ἇἐ-ἕἠ-ἧἰ-ἷὀ-ὅὐ-ὗὠ-ὧὰ-ώᾀ-ᾇᾐ-ᾗᾠ-ᾧᾰ-ᾴᾶᾷῂῃῄῆῇῐ-ΐῖῗῠ-ῧῲῳῴῶῷ]{1,63}$/iu'),
    209. 

  209.         'FI'  => array(1 => '/^[\x{002d}0-9a-zäåö]{1,63}$/iu'),
    210. 

  210.         'GR'  => array(1 => '/^[\x{002d}0-9a-zΆΈΉΊΌΎ-ΡΣ-ώἀ-ἕἘ-Ἕἠ-ὅὈ-Ὅὐ-ὗὙὛὝὟ-ώᾀ-ᾴᾶ-ᾼῂῃῄῆ-ῌῐ-ΐῖ-Ίῠ-Ῥῲῳῴῶ-ῼ]{1,63}$/iu'),
    211. 

  211.         'HK'  => 'Zend/Validate/Hostname/Cn.php',
    212. 

  212.         'HU'  => array(1 => '/^[\x{002d}0-9a-záéíóöúüőű]{1,63}$/iu'),
    213. 

  213.         'INFO'=> array(1 => '/^[\x{002d}0-9a-zäåæéöøü]{1,63}$/iu',
    214. 

  214.             2 => '/^[\x{002d}0-9a-záéíóöúüőű]{1,63}$/iu',
    215. 

  215.             3 => '/^[\x{002d}0-9a-záæéíðóöúýþ]{1,63}$/iu',
    216. 

  216.             4 => '/^[\x{AC00}-\x{D7A3}]{1,17}$/iu',
    217. 

  217.             5 => '/^[\x{002d}0-9a-zāčēģīķļņōŗšūž]{1,63}$/iu',
    218. 

  218.             6 => '/^[\x{002d}0-9a-ząčėęįšūųž]{1,63}$/iu',
    219. 

  219.             7 => '/^[\x{002d}0-9a-zóąćęłńśźż]{1,63}$/iu',
    220. 

  220.             8 => '/^[\x{002d}0-9a-záéíñóúü]{1,63}$/iu'),
    221. 

  221.         'IO'  => array(1 => '/^[\x{002d}0-9a-zà-öø-ÿăąāćĉčċďđĕěėęēğĝġģĥħĭĩįīıĵķĺľļłńňņŋŏőōœĸŕřŗśŝšşťţŧŭůűũųūŵŷźžż]{1,63}$/iu'),
    222. 

  222.         'IS'  => array(1 => '/^[\x{002d}0-9a-záéýúíóþæöð]{1,63}$/iu'),
    223. 

  223.         'JP'  => 'Zend/Validate/Hostname/Jp.php',
    224. 

  224.         'KR'  => array(1 => '/^[\x{AC00}-\x{D7A3}]{1,17}$/iu'),
    225. 

  225.         'LI'  => array(1 => '/^[\x{002d}0-9a-zà-öø-ÿœ]{1,63}$/iu'),
    226. 

  226.         'LT'  => array(1 => '/^[\x{002d}0-9ąčęėįšųūž]{1,63}$/iu'),
    227. 

  227.         'MD'  => array(1 => '/^[\x{002d}0-9ăâîşţ]{1,63}$/iu'),
    228. 

  228.         'MUSEUM' => array(1 => '/^[\x{002d}0-9a-zà-öø-ÿāăąćċčďđēėęěğġģħīįıķĺļľłńņňŋōőœŕŗřśşšţťŧūůűųŵŷźżžǎǐǒǔ\x{01E5}\x{01E7}\x{01E9}\x{01EF}ə\x{0292}ẁẃẅỳ]{1,63}$/iu'),
    229. 

  229.         'NET' => 'Zend/Validate/Hostname/Com.php',
    230. 

  230.         'NO'  => array(1 => '/^[\x{002d}0-9a-zàáä-éêñ-ôöøüčđńŋšŧž]{1,63}$/iu'),
    231. 

  231.         'NU'  => 'Zend/Validate/Hostname/Com.php',
    232. 

  232.         'ORG' => array(1 => '/^[\x{002d}0-9a-záéíñóúü]{1,63}$/iu',
    233. 

  233.             2 => '/^[\x{002d}0-9a-zóąćęłńśźż]{1,63}$/iu',
    234. 

  234.             3 => '/^[\x{002d}0-9a-záäåæéëíðóöøúüýþ]{1,63}$/iu',
    235. 

  235.             4 => '/^[\x{002d}0-9a-záéíóöúüőű]{1,63}$/iu',
    236. 

  236.             5 => '/^[\x{002d}0-9a-ząčėęįšūųž]{1,63}$/iu',
    237. 

  237.             6 => '/^[\x{AC00}-\x{D7A3}]{1,17}$/iu',
    238. 

  238.             7 => '/^[\x{002d}0-9a-zāčēģīķļņōŗšūž]{1,63}$/iu'),
    239. 

  239.         'PE'  => array(1 => '/^[\x{002d}0-9a-zñáéíóúü]{1,63}$/iu'),
    240. 

  240.         'PL'  => array(1 => '/^[\x{002d}0-9a-zāčēģīķļņōŗšūž]{1,63}$/iu',
    241. 

  241.             2 => '/^[\x{002d}а-ик-ш\x{0450}ѓѕјљњќџ]{1,63}$/iu',
    242. 

  242.             3 => '/^[\x{002d}0-9a-zâîăşţ]{1,63}$/iu',
    243. 

  243.             4 => '/^[\x{002d}0-9а-яё\x{04C2}]{1,63}$/iu',
    244. 

  244.             5 => '/^[\x{002d}0-9a-zàáâèéêìíîòóôùúûċġħż]{1,63}$/iu',
    245. 

  245.             6 => '/^[\x{002d}0-9a-zàäåæéêòóôöøü]{1,63}$/iu',
    246. 

  246.             7 => '/^[\x{002d}0-9a-zóąćęłńśźż]{1,63}$/iu',
    247. 

  247.             8 => '/^[\x{002d}0-9a-zàáâãçéêíòóôõúü]{1,63}$/iu',
    248. 

  248.             9 => '/^[\x{002d}0-9a-zâîăşţ]{1,63}$/iu',
    249. 

  249.             10=> '/^[\x{002d}0-9a-záäéíóôúýčďĺľňŕšťž]{1,63}$/iu',
    250. 

  250.             11=> '/^[\x{002d}0-9a-zçë]{1,63}$/iu',
    251. 

  251.             12=> '/^[\x{002d}0-9а-ик-шђјљњћџ]{1,63}$/iu',
    252. 

  252.             13=> '/^[\x{002d}0-9a-zćčđšž]{1,63}$/iu',
    253. 

  253.             14=> '/^[\x{002d}0-9a-zâçöûüğış]{1,63}$/iu',
    254. 

  254.             15=> '/^[\x{002d}0-9a-záéíñóúü]{1,63}$/iu',
    255. 

  255.             16=> '/^[\x{002d}0-9a-zäõöüšž]{1,63}$/iu',
    256. 

  256.             17=> '/^[\x{002d}0-9a-zĉĝĥĵŝŭ]{1,63}$/iu',
    257. 

  257.             18=> '/^[\x{002d}0-9a-zâäéëîô]{1,63}$/iu',
    258. 

  258.             19=> '/^[\x{002d}0-9a-zàáâäåæçèéêëìíîïðñòôöøùúûüýćčłńřśš]{1,63}$/iu',
    259. 

  259.             20=> '/^[\x{002d}0-9a-zäåæõöøüšž]{1,63}$/iu',
    260. 

  260.             21=> '/^[\x{002d}0-9a-zàáçèéìíòóùú]{1,63}$/iu',
    261. 

  261.             22=> '/^[\x{002d}0-9a-zàáéíóöúüőű]{1,63}$/iu',
    262. 

  262.             23=> '/^[\x{002d}0-9ΐά-ώ]{1,63}$/iu',
    263. 

  263.             24=> '/^[\x{002d}0-9a-zàáâåæçèéêëðóôöøüþœ]{1,63}$/iu',
    264. 

  264.             25=> '/^[\x{002d}0-9a-záäéíóöúüýčďěňřšťůž]{1,63}$/iu',
    265. 

  265.             26=> '/^[\x{002d}0-9a-z·àçèéíïòóúü]{1,63}$/iu',
    266. 

  266.             27=> '/^[\x{002d}0-9а-ъьюя\x{0450}\x{045D}]{1,63}$/iu',
    267. 

  267.             28=> '/^[\x{002d}0-9а-яёіў]{1,63}$/iu',
    268. 

  268.             29=> '/^[\x{002d}0-9a-ząčėęįšūųž]{1,63}$/iu',
    269. 

  269.             30=> '/^[\x{002d}0-9a-záäåæéëíðóöøúüýþ]{1,63}$/iu',
    270. 

  270.             31=> '/^[\x{002d}0-9a-zàâæçèéêëîïñôùûüÿœ]{1,63}$/iu',
    271. 

  271.             32=> '/^[\x{002d}0-9а-щъыьэюяёєіїґ]{1,63}$/iu',
    272. 

  272.             33=> '/^[\x{002d}0-9א-ת]{1,63}$/iu'),
    273. 

  273.         'PR'  => array(1 => '/^[\x{002d}0-9a-záéíóúñäëïüöâêîôûàèùæçœãõ]{1,63}$/iu'),
    274. 

  274.         'PT'  => array(1 => '/^[\x{002d}0-9a-záàâãçéêíóôõú]{1,63}$/iu'),
    275. 

  275.         'RU'  => array(1 => '/^[\x{002d}0-9а-яё]{1,63}$/iu'),
    276. 

  276.         'SA'  => array(1 => '/^[\x{002d}.0-9\x{0621}-\x{063A}\x{0641}-\x{064A}\x{0660}-\x{0669}]{1,63}$/iu'),
    277. 

  277.         'SE'  => array(1 => '/^[\x{002d}0-9a-zäåéöü]{1,63}$/iu'),
    278. 

  278.         'SH'  => array(1 => '/^[\x{002d}0-9a-zà-öø-ÿăąāćĉčċďđĕěėęēğĝġģĥħĭĩįīıĵķĺľļłńňņŋŏőōœĸŕřŗśŝšşťţŧŭůűũųūŵŷźžż]{1,63}$/iu'),
    279. 

  279.         'SJ'  => array(1 => '/^[\x{002d}0-9a-zàáä-éêñ-ôöøüčđńŋšŧž]{1,63}$/iu'),
    280. 

  280.         'TH'  => array(1 => '/^[\x{002d}0-9a-z\x{0E01}-\x{0E3A}\x{0E40}-\x{0E4D}\x{0E50}-\x{0E59}]{1,63}$/iu'),
    281. 

  281.         'TM'  => array(1 => '/^[\x{002d}0-9a-zà-öø-ÿāăąćĉċčďđēėęěĝġģĥħīįĵķĺļľŀłńņňŋőœŕŗřśŝşšţťŧūŭůűųŵŷźżž]{1,63}$/iu'),
    282. 

  282.         'TW'  => 'Zend/Validate/Hostname/Cn.php',
    283. 

  283.         'TR'  => array(1 => '/^[\x{002d}0-9a-zğıüşöç]{1,63}$/iu'),
    284. 

  284.         'VE'  => array(1 => '/^[\x{002d}0-9a-záéíóúüñ]{1,63}$/iu'),
    285. 

  285.         'VN'  => array(1 => '/^[ÀÁÂÃÈÉÊÌÍÒÓÔÕÙÚÝàáâãèéêìíòóôõùúýĂăĐđĨĩŨũƠơƯư\x{1EA0}-\x{1EF9}]{1,63}$/iu'),
    286. 

  286.         'ایران' => array(1 => '/^[\x{0621}-\x{0624}\x{0626}-\x{063A}\x{0641}\x{0642}\x{0644}-\x{0648}\x{067E}\x{0686}\x{0698}\x{06A9}\x{06AF}\x{06CC}\x{06F0}-\x{06F9}]{1,30}$/iu'),
    287. 

  287.         '中国' => 'Zend/Validate/Hostname/Cn.php',
    288. 

  288.         '公司' => 'Zend/Validate/Hostname/Cn.php',
    289. 

  289.         '网络' => 'Zend/Validate/Hostname/Cn.php'
    290. 

  290.     );
    291. 

  291. 

  292.     protected $_idnLength = array(
    293. 

  293.         'BIZ' => array(5 => 17, 11 => 15, 12 => 20),
    294. 

  294.         'CN'  => array(1 => 20),
    295. 

  295.         'COM' => array(3 => 17, 5 => 20),
    296. 

  296.         'HK'  => array(1 => 15),
    297. 

  297.         'INFO'=> array(4 => 17),
    298. 

  298.         'KR'  => array(1 => 17),
    299. 

  299.         'NET' => array(3 => 17, 5 => 20),
    300. 

  300.         'ORG' => array(6 => 17),
    301. 

  301.         'TW'  => array(1 => 20),
    302. 

  302.         'ایران' => array(1 => 30),
    303. 

  303.         '中国' => array(1 => 20),
    304. 

  304.         '公司' => array(1 => 20),
    305. 

  305.         '网络' => array(1 => 20),
    306. 

  306.     );
    307. 

  307. 

  308.     protected $_options = array(
    309. 

  309.         'allow' => self::ALLOW_DNS,
    310. 

  310.         'idn'   => true,
    311. 

  311.         'tld'   => true,
    312. 

  312.         'ip'    => null
    313. 

  313.     );
    314. 

  314. 

  315.     /**
    316. 

  316.      * Sets validator options
    317. 

  317.      *
    318. 

  318.      * @param integer          $allow       OPTIONAL Set what types of hostname to allow (default ALLOW_DNS)
    319. 

  319.      * @param boolean          $validateIdn OPTIONAL Set whether IDN domains are validated (default true)
    320. 

  320.      * @param boolean          $validateTld OPTIONAL Set whether the TLD element of a hostname is validated (default true)
    321. 

  321.      * @param Zend_Validate_Ip $ipValidator OPTIONAL
    322. 

  322.      * @return void
    323. 

  323.      * @see http://www.iana.org/cctld/specifications-policies-cctlds-01apr02.htm  Technical Specifications for ccTLDs
    324. 

  324.      */
    325. 

  325.     public function __construct($options = array())
    326. 

  326.     {
    327. 

  327.         if ($options instanceof Zend_Config) {
    328. 

  328.             $options = $options->toArray();
    329. 

  329.         } else if (!is_array($options)) {
    330. 

  330.             $options = func_get_args();
    331. 

  331.             $temp['allow'] = array_shift($options);
    332. 

  332.             if (!empty($options)) {
    333. 

  333.                 $temp['idn'] = array_shift($options);
    334. 

  334.             }
    335. 

  335. 

  336.             if (!empty($options)) {
    337. 

  337.                 $temp['tld'] = array_shift($options);
    338. 

  338.             }
    339. 

  339. 

  340.             if (!empty($options)) {
    341. 

  341.                 $temp['ip'] = array_shift($options);
    342. 

  342.             }
    343. 

  343. 

  344.             $options = $temp;
    345. 

  345.         }
    346. 

  346. 

  347.         $options += $this->_options;
    348. 

  348.         $this->setOptions($options);
    349. 

  349.     }
    350. 

  350. 

  351.     /**
    352. 

  352.      * Returns all set options
    353. 

  353.      *
    354. 

  354.      * @return array
    355. 

  355.      */
    356. 

  356.     public function getOptions()
    357. 

  357.     {
    358. 

  358.         return $this->_options;
    359. 

  359.     }
    360. 

  360. 

  361.     /**
    362. 

  362.      * Sets the options for this validator
    363. 

  363.      *
    364. 

  364.      * @param array $options
    365. 

  365.      * @return Zend_Validate_Hostname
    366. 

  366.      */
    367. 

  367.     public function setOptions($options)
    368. 

  368.     {
    369. 

  369.         if (array_key_exists('allow', $options)) {
    370. 

  370.             $this->setAllow($options['allow']);
    371. 

  371.         }
    372. 

  372. 

  373.         if (array_key_exists('idn', $options)) {
    374. 

  374.             $this->setValidateIdn($options['idn']);
    375. 

  375.         }
    376. 

  376. 

  377.         if (array_key_exists('tld', $options)) {
    378. 

  378.             $this->setValidateTld($options['tld']);
    379. 

  379.         }
    380. 

  380. 

  381.         if (array_key_exists('ip', $options)) {
    382. 

  382.             $this->setIpValidator($options['ip']);
    383. 

  383.         }
    384. 

  384. 

  385.         return $this;
    386. 

  386.     }
    387. 

  387. 

  388.     /**
    389. 

  389.      * Returns the set ip validator
    390. 

  390.      *
    391. 

  391.      * @return Zend_Validate_Ip
    392. 

  392.      */
    393. 

  393.     public function getIpValidator()
    394. 

  394.     {
    395. 

  395.         return $this->_options['ip'];
    396. 

  396.     }
    397. 

  397. 

  398.     /**
    399. 

  399.      * @param Zend_Validate_Ip $ipValidator OPTIONAL
    400. 

  400.      * @return void;
    401. 

  401.      */
    402. 

  402.     public function setIpValidator(Zend_Validate_Ip $ipValidator = null)
    403. 

  403.     {
    404. 

  404.         if ($ipValidator === null) {
    405. 

  405.             $ipValidator = new Zend_Validate_Ip();
    406. 

  406.         }
    407. 

  407. 

  408.         $this->_options['ip'] = $ipValidator;
    409. 

  409.         return $this;
    410. 

  410.     }
    411. 

  411. 

  412.     /**
    413. 

  413.      * Returns the allow option
    414. 

  414.      *
    415. 

  415.      * @return integer
    416. 

  416.      */
    417. 

  417.     public function getAllow()
    418. 

  418.     {
    419. 

  419.         return $this->_options['allow'];
    420. 

  420.     }
    421. 

  421. 

  422.     /**
    423. 

  423.      * Sets the allow option
    424. 

  424.      *
    425. 

  425.      * @param  integer $allow
    426. 

  426.      * @return Zend_Validate_Hostname Provides a fluent interface
    427. 

  427.      */
    428. 

  428.     public function setAllow($allow)
    429. 

  429.     {
    430. 

  430.         $this->_options['allow'] = $allow;
    431. 

  431.         return $this;
    432. 

  432.     }
    433. 

  433. 

  434.     /**
    435. 

  435.      * Returns the set idn option
    436. 

  436.      *
    437. 

  437.      * @return boolean
    438. 

  438.      */
    439. 

  439.     public function getValidateIdn()
    440. 

  440.     {
    441. 

  441.         return $this->_options['idn'];
    442. 

  442.     }
    443. 

  443. 

  444.     /**
    445. 

  445.      * Set whether IDN domains are validated
    446. 

  446.      *
    447. 

  447.      * This only applies when DNS hostnames are validated
    448. 

  448.      *
    449. 

  449.      * @param boolean $allowed Set allowed to true to validate IDNs, and false to not validate them
    450. 

  450.      */
    451. 

  451.     public function setValidateIdn ($allowed)
    452. 

  452.     {
    453. 

  453.         $this->_options['idn'] = (bool) $allowed;
    454. 

  454.         return $this;
    455. 

  455.     }
    456. 

  456. 

  457.     /**
    458. 

  458.      * Returns the set tld option
    459. 

  459.      *
    460. 

  460.      * @return boolean
    461. 

  461.      */
    462. 

  462.     public function getValidateTld()
    463. 

  463.     {
    464. 

  464.         return $this->_options['tld'];
    465. 

  465.     }
    466. 

  466. 

  467.     /**
    468. 

  468.      * Set whether the TLD element of a hostname is validated
    469. 

  469.      *
    470. 

  470.      * This only applies when DNS hostnames are validated
    471. 

  471.      *
    472. 

  472.      * @param boolean $allowed Set allowed to true to validate TLDs, and false to not validate them
    473. 

  473.      */
    474. 

  474.     public function setValidateTld ($allowed)
    475. 

  475.     {
    476. 

  476.         $this->_options['tld'] = (bool) $allowed;
    477. 

  477.         return $this;
    478. 

  478.     }
    479. 

  479. 

  480.     /**
    481. 

  481.      * Defined by Zend_Validate_Interface
    482. 

  482.      *
    483. 

  483.      * Returns true if and only if the $value is a valid hostname with respect to the current allow option
    484. 

  484.      *
    485. 

  485.      * @param  string $value
    486. 

  486.      * @throws Zend_Validate_Exception if a fatal error occurs for validation process
    487. 

  487.      * @return boolean
    488. 

  488.      */
    489. 

  489.     public function isValid($value)
    490. 

  490.     {
    491. 

  491.         if (!is_string($value)) {
    492. 

  492.             $this->_error(self::INVALID);
    493. 

  493.             return false;
    494. 

  494.         }
    495. 

  495. 

  496.         $this->_setValue($value);
    497. 

  497.         // Check input against IP address schema
    498. 

  498.         if (preg_match('/^[0-9.a-e:.]*$/i', $value) &&
    499. 

  499.             $this->_options['ip']->setTranslator($this->getTranslator())->isValid($value)) {
    500. 

  500.             if (!($this->_options['allow'] & self::ALLOW_IP)) {
    501. 

  501.                 $this->_error(self::IP_ADDRESS_NOT_ALLOWED);
    502. 

  502.                 return false;
    503. 

  503.             } else {
    504. 

  504.                 return true;
    505. 

  505.             }
    506. 

  506.         }
    507. 

  507. 

  508.         // Check input against DNS hostname schema
    509. 

  509.         $domainParts = explode('.', $value);
    510. 

  510.         if ((count($domainParts) > 1) && (strlen($value) >= 4) && (strlen($value) <= 254)) {
    511. 

  511.             $status = false;
    512. 

  512. 

  513.             $origenc = iconv_get_encoding('internal_encoding');
    514. 

  514.             iconv_set_encoding('internal_encoding', 'UTF-8');
    515. 

  515.             do {
    516. 

  516.                 // First check TLD
    517. 

  517.                 $matches = array();
    518. 

  518.                 if (preg_match('/([^.]{2,10})$/i', end($domainParts), $matches) ||
    519. 

  519.                     (end($domainParts) == 'ایران') || (end($domainParts) == '中国') ||
    520. 

  520.                     (end($domainParts) == '公司') || (end($domainParts) == '网络')) {
    521. 

  521. 

  522.                     reset($domainParts);
    523. 

  523. 

  524.                     // Hostname characters are: *(label dot)(label dot label); max 254 chars
    525. 

  525.                     // label: id-prefix [*ldh{61} id-prefix]; max 63 chars
    526. 

  526.                     // id-prefix: alpha / digit
    527. 

  527.                     // ldh: alpha / digit / dash
    528. 

  528. 

  529.                     // Match TLD against known list
    530. 

  530.                     $this->_tld = strtolower($matches[1]);
    531. 

  531.                     if ($this->_options['tld']) {
    532. 

  532.                         if (!in_array($this->_tld, $this->_validTlds)) {
    533. 

  533.                             $this->_error(self::UNKNOWN_TLD);
    534. 

  534.                             $status = false;
    535. 

  535.                             break;
    536. 

  536.                         }
    537. 

  537.                     }
    538. 

  538. 

  539.                     /**
    540. 

  540.                      * Match against IDN hostnames
    541. 

  541.                      * Note: Keep label regex short to avoid issues with long patterns when matching IDN hostnames
    542. 

  542.                      * @see Zend_Validate_Hostname_Interface
    543. 

  543.                      */
    544. 

  544.                     $regexChars = array(0 => '/^[a-z0-9\x2d]{1,63}$/i');
    545. 

  545.                     if ($this->_options['idn'] &&  isset($this->_validIdns[strtoupper($this->_tld)])) {
    546. 

  546.                         if (is_string($this->_validIdns[strtoupper($this->_tld)])) {
    547. 

  547.                             $regexChars += include($this->_validIdns[strtoupper($this->_tld)]);
    548. 

  548.                         } else {
    549. 

  549.                             $regexChars += $this->_validIdns[strtoupper($this->_tld)];
    550. 

  550.                         }
    551. 

  551.                     }
    552. 

  552. 

  553.                     // Check each hostname part
    554. 

  554.                     $check = 0;
    555. 

  555.                     foreach ($domainParts as $domainPart) {
    556. 

  556.                         // Decode Punycode domainnames to IDN
    557. 

  557.                         if (strpos($domainPart, 'xn--') === 0) {
    558. 

  558.                             $domainPart = $this->decodePunycode(substr($domainPart, 4));
    559. 

  559.                             if ($domainPart === false) {
    560. 

  560.                                 return false;
    561. 

  561.                             }
    562. 

  562.                         }
    563. 

  563. 

  564.                         // Check dash (-) does not start, end or appear in 3rd and 4th positions
    565. 

  565.                         if ((strpos($domainPart, '-') === 0)
    566. 

  566.                             || ((strlen($domainPart) > 2) && (strpos($domainPart, '-', 2) == 2) && (strpos($domainPart, '-', 3) == 3))
    567. 

  567.                             || (strpos($domainPart, '-') === (strlen($domainPart) - 1))) {
    568. 

  568.                                 $this->_error(self::INVALID_DASH);
    569. 

  569.                             $status = false;
    570. 

  570.                             break 2;
    571. 

  571.                         }
    572. 

  572. 

  573.                         // Check each domain part
    574. 

  574.                         $checked = false;
    575. 

  575.                         foreach($regexChars as $regexKey => $regexChar) {
    576. 

  576.                             $status = @preg_match($regexChar, $domainPart);
    577. 

  577.                             if ($status > 0) {
    578. 

  578.                                 $length = 63;
    579. 

  579.                                 if (array_key_exists(strtoupper($this->_tld), $this->_idnLength)
    580. 

  580.                                     && (array_key_exists($regexKey, $this->_idnLength[strtoupper($this->_tld)]))) {
    581. 

  581.                                     $length = $this->_idnLength[strtoupper($this->_tld)];
    582. 

  582.                                 }
    583. 

  583. 

  584.                                 if (iconv_strlen($domainPart, 'UTF-8') > $length) {
    585. 

  585.                                     $this->_error(self::INVALID_HOSTNAME);
    586. 

  586.                                 } else {
    587. 

  587.                                     $checked = true;
    588. 

  588.                                     break;
    589. 

  589.                                 }
    590. 

  590.                             }
    591. 

  591.                         }
    592. 

  592. 

  593.                         if ($checked) {
    594. 

  594.                             ++$check;
    595. 

  595.                         }
    596. 

  596.                     }
    597. 

  597. 

  598.                     // If one of the labels doesn't match, the hostname is invalid
    599. 

  599.                     if ($check !== count($domainParts)) {
    600. 

  600.                         $this->_error(self::INVALID_HOSTNAME_SCHEMA);
    601. 

  601.                         $status = false;
    602. 

  602.                     }
    603. 

  603.                 } else {
    604. 

  604.                     // Hostname not long enough
    605. 

  605.                     $this->_error(self::UNDECIPHERABLE_TLD);
    606. 

  606.                     $status = false;
    607. 

  607.                 }
    608. 

  608.             } while (false);
    609. 

  609. 

  610.             iconv_set_encoding('internal_encoding', $origenc);
    611. 

  611.             // If the input passes as an Internet domain name, and domain names are allowed, then the hostname
    612. 

  612.             // passes validation
    613. 

  613.             if ($status && ($this->_options['allow'] & self::ALLOW_DNS)) {
    614. 

  614.                 return true;
    615. 

  615.             }
    616. 

  616.         } else if ($this->_options['allow'] & self::ALLOW_DNS) {
    617. 

  617.             $this->_error(self::INVALID_HOSTNAME);
    618. 

  618.         }
    619. 

  619. 

  620.         // Check input against local network name schema; last chance to pass validation
    621. 

  621.         $regexLocal = '/^(([a-zA-Z0-9\x2d]{1,63}\x2e)*[a-zA-Z0-9\x2d]{1,63}){1,254}$/';
    622. 

  622.         $status = @preg_match($regexLocal, $value);
    623. 

  623. 

  624.         // If the input passes as a local network name, and local network names are allowed, then the
    625. 

  625.         // hostname passes validation
    626. 

  626.         $allowLocal = $this->_options['allow'] & self::ALLOW_LOCAL;
    627. 

  627.         if ($status && $allowLocal) {
    628. 

  628.             return true;
    629. 

  629.         }
    630. 

  630. 

  631.         // If the input does not pass as a local network name, add a message
    632. 

  632.         if (!$status) {
    633. 

  633.             $this->_error(self::INVALID_LOCAL_NAME);
    634. 

  634.         }
    635. 

  635. 

  636.         // If local network names are not allowed, add a message
    637. 

  637.         if ($status && !$allowLocal) {
    638. 

  638.             $this->_error(self::LOCAL_NAME_NOT_ALLOWED);
    639. 

  639.         }
    640. 

  640. 

  641.         return false;
    642. 

  642.     }
    643. 

  643. 

  644.     /**
    645. 

  645.      * Decodes a punycode encoded string to it's original utf8 string
    646. 

  646.      * In case of a decoding failure the original string is returned
    647. 

  647.      *
    648. 

  648.      * @param  string $encoded Punycode encoded string to decode
    649. 

  649.      * @return string
    650. 

  650.      */
    651. 

  651.     protected function decodePunycode($encoded)
    652. 

  652.     {
    653. 

  653.         $found = preg_match('/([^a-z0-9\x2d]{1,10})$/i', $encoded);
    654. 

  654.         if (empty($encoded) || ($found > 0)) {
    655. 

  655.             // no punycode encoded string, return as is
    656. 

  656.             $this->_error(self::CANNOT_DECODE_PUNYCODE);
    657. 

  657.             return false;
    658. 

  658.         }
    659. 

  659. 

  660.         $separator = strrpos($encoded, '-');
    661. 

  661.         if ($separator > 0) {
    662. 

  662.             for ($x = 0; $x < $separator; ++$x) {
    663. 

  663.                 // prepare decoding matrix
    664. 

  664.                 $decoded[] = ord($encoded[$x]);
    665. 

  665.             }
    666. 

  666.         } else {
    667. 

  667.             $this->_error(self::CANNOT_DECODE_PUNYCODE);
    668. 

  668.             return false;
    669. 

  669.         }
    670. 

  670. 

  671.         $lengthd = count($decoded);
    672. 

  672.         $lengthe = strlen($encoded);
    673. 

  673. 

  674.         // decoding
    675. 

  675.         $init  = true;
    676. 

  676.         $base  = 72;
    677. 

  677.         $index = 0;
    678. 

  678.         $char  = 0x80;
    679. 

  679. 

  680.         for ($indexe = ($separator) ? ($separator + 1) : 0; $indexe < $lengthe; ++$lengthd) {
    681. 

  681.             for ($old_index = $index, $pos = 1, $key = 36; 1 ; $key += 36) {
    682. 

  682.                 $hex   = ord($encoded[$indexe++]);
    683. 

  683.                 $digit = ($hex - 48 < 10) ? $hex - 22
    684. 

  684.                        : (($hex - 65 < 26) ? $hex - 65
    685. 

  685.                        : (($hex - 97 < 26) ? $hex - 97
    686. 

  686.                        : 36));
    687. 

  687. 

  688.                 $index += $digit * $pos;
    689. 

  689.                 $tag    = ($key <= $base) ? 1 : (($key >= $base + 26) ? 26 : ($key - $base));
    690. 

  690.                 if ($digit < $tag) {
    691. 

  691.                     break;
    692. 

  692.                 }
    693. 

  693. 

  694.                 $pos = (int) ($pos * (36 - $tag));
    695. 

  695.             }
    696. 

  696. 

  697.             $delta   = intval($init ? (($index - $old_index) / 700) : (($index - $old_index) / 2));
    698. 

  698.             $delta  += intval($delta / ($lengthd + 1));
    699. 

  699.             for ($key = 0; $delta > 910 / 2; $key += 36) {
    700. 

  700.                 $delta = intval($delta / 35);
    701. 

  701.             }
    702. 

  702. 

  703.             $base   = intval($key + 36 * $delta / ($delta + 38));
    704. 

  704.             $init   = false;
    705. 

  705.             $char  += (int) ($index / ($lengthd + 1));
    706. 

  706.             $index %= ($lengthd + 1);
    707. 

  707.             if ($lengthd > 0) {
    708. 

  708.                 for ($i = $lengthd; $i > $index; $i--) {
    709. 

  709.                     $decoded[$i] = $decoded[($i - 1)];
    710. 

  710.                 }
    711. 

  711.             }
    712. 

  712. 

  713.             $decoded[$index++] = $char;
    714. 

  714.         }
    715. 

  715. 

  716.         // convert decoded ucs4 to utf8 string
    717. 

  717.         foreach ($decoded as $key => $value) {
    718. 

  718.             if ($value < 128) {
    719. 

  719.                 $decoded[$key] = chr($value);
    720. 

  720.             } elseif ($value < (1 << 11)) {
    721. 

  721.                 $decoded[$key]  = chr(192 + ($value >> 6));
    722. 

  722.                 $decoded[$key] .= chr(128 + ($value & 63));
    723. 

  723.             } elseif ($value < (1 << 16)) {
    724. 

  724.                 $decoded[$key]  = chr(224 + ($value >> 12));
    725. 

  725.                 $decoded[$key] .= chr(128 + (($value >> 6) & 63));
    726. 

  726.                 $decoded[$key] .= chr(128 + ($value & 63));
    727. 

  727.             } elseif ($value < (1 << 21)) {
    728. 

  728.                 $decoded[$key]  = chr(240 + ($value >> 18));
    729. 

  729.                 $decoded[$key] .= chr(128 + (($value >> 12) & 63));
    730. 

  730.                 $decoded[$key] .= chr(128 + (($value >> 6) & 63));
    731. 

  731.                 $decoded[$key] .= chr(128 + ($value & 63));
    732. 

  732.             } else {
    733. 

  733.                 $this->_error(self::CANNOT_DECODE_PUNYCODE);
    734. 

  734.                 return false;
    735. 

  735.             }
    736. 

  736.         }
    737. 

  737. 

  738.         return implode($decoded);
    739. 

  739.     }
    740. 

  740. }
    741. 

  741.