www.aleph1.co.uk Git - yaffs-website/blob - node_modules/ajv/lib/compile/formats.js

   1 'use strict';
   2
   3 var util = require('./util');
   4
   5 var DATE = /^\d\d\d\d-(\d\d)-(\d\d)$/;
   6 var DAYS = [0,31,29,31,30,31,30,31,31,30,31,30,31];
   7 var TIME = /^(\d\d):(\d\d):(\d\d)(\.\d+)?(z|[+-]\d\d:\d\d)?$/i;
   8 var HOSTNAME = /^[0-9a-z](?:(?:[-0-9a-z]{0,61})?[0-9a-z])?(\.[0-9a-z](?:(?:[-0-9a-z]{0,61})?[0-9a-z])?)*$/i;
   9 var URI = /^(?:[a-z][a-z0-9+\-.]*:)?(?:\/?\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:]|%[0-9a-f]{2})*@)?(?:\[(?:(?:(?:(?:[0-9a-f]{1,4}:){6}|::(?:[0-9a-f]{1,4}:){5}|(?:[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){4}|(?:(?:[0-9a-f]{1,4}:){0,1}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){3}|(?:(?:[0-9a-f]{1,4}:){0,2}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){2}|(?:(?:[0-9a-f]{1,4}:){0,3}[0-9a-f]{1,4})?::[0-9a-f]{1,4}:|(?:(?:[0-9a-f]{1,4}:){0,4}[0-9a-f]{1,4})?::)(?:[0-9a-f]{1,4}:[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?))|(?:(?:[0-9a-f]{1,4}:){0,5}[0-9a-f]{1,4})?::[0-9a-f]{1,4}|(?:(?:[0-9a-f]{1,4}:){0,6}[0-9a-f]{1,4})?::)|[Vv][0-9a-f]+\.[a-z0-9\-._~!$&'()*+,;=:]+)\]|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)|(?:[a-z0-9\-._~!$&'()*+,;=]|%[0-9a-f]{2})*)(?::\d*)?(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*|\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*)?|(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*)(?:\?(?:[a-z0-9\-._~!$&'()*+,;=:@\/?]|%[0-9a-f]{2})*)?(?:\#(?:[a-z0-9\-._~!$&'()*+,;=:@\/?]|%[0-9a-f]{2})*)?$/i;
  10 var UUID = /^(?:urn\:uuid\:)?[0-9a-f]{8}-(?:[0-9a-f]{4}-){3}[0-9a-f]{12}$/i;
  11 var JSON_POINTER = /^(?:\/(?:[^~\/]|~0|~1)*)*$|^\#(?:\/(?:[a-z0-9_\-\.!$&'()*+,;:=@]|%[0-9a-f]{2}|~0|~1)*)*$/i;
  12 var RELATIVE_JSON_POINTER = /^(?:0|[1-9][0-9]*)(?:\#|(?:\/(?:[^~\/]|~0|~1)*)*)$/;
  13
  14
  15 module.exports = formats;
  16
  17 function formats(mode) {
  18   mode = mode == 'full' ? 'full' : 'fast';
  19   var formatDefs = util.copy(formats[mode]);
  20   for (var fName in formats.compare) {
  21     formatDefs[fName] = {
  22       validate: formatDefs[fName],
  23       compare: formats.compare[fName]
  24     };
  25   }
  26   return formatDefs;
  27 }
  28
  29
  30 formats.fast = {
  31   // date: http://tools.ietf.org/html/rfc3339#section-5.6
  32   date: /^\d\d\d\d-[0-1]\d-[0-3]\d$/,
  33   // date-time: http://tools.ietf.org/html/rfc3339#section-5.6
  34   time: /^[0-2]\d:[0-5]\d:[0-5]\d(?:\.\d+)?(?:z|[+-]\d\d:\d\d)?$/i,
  35   'date-time': /^\d\d\d\d-[0-1]\d-[0-3]\d[t\s][0-2]\d:[0-5]\d:[0-5]\d(?:\.\d+)?(?:z|[+-]\d\d:\d\d)$/i,
  36   // uri: https://github.com/mafintosh/is-my-json-valid/blob/master/formats.js
  37   uri: /^(?:[a-z][a-z0-9+-.]*)?(?:\:|\/)\/?[^\s]*$/i,
  38   // email (sources from jsen validator):
  39   // http://stackoverflow.com/questions/201323/using-a-regular-expression-to-validate-an-email-address#answer-8829363
  40   // http://www.w3.org/TR/html5/forms.html#valid-e-mail-address (search for 'willful violation')
  41   email: /^[a-z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?(?:\.[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?)*$/i,
  42   hostname: HOSTNAME,
  43   // optimized https://www.safaribooksonline.com/library/view/regular-expressions-cookbook/9780596802837/ch07s16.html
  44   ipv4: /^(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)$/,
  45   // optimized http://stackoverflow.com/questions/53497/regular-expression-that-matches-valid-ipv6-addresses
  46   ipv6: /^\s*(?:(?:(?:[0-9a-f]{1,4}:){7}(?:[0-9a-f]{1,4}|:))|(?:(?:[0-9a-f]{1,4}:){6}(?::[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){5}(?:(?:(?::[0-9a-f]{1,4}){1,2})|:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){4}(?:(?:(?::[0-9a-f]{1,4}){1,3})|(?:(?::[0-9a-f]{1,4})?:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){3}(?:(?:(?::[0-9a-f]{1,4}){1,4})|(?:(?::[0-9a-f]{1,4}){0,2}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){2}(?:(?:(?::[0-9a-f]{1,4}){1,5})|(?:(?::[0-9a-f]{1,4}){0,3}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){1}(?:(?:(?::[0-9a-f]{1,4}){1,6})|(?:(?::[0-9a-f]{1,4}){0,4}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?::(?:(?:(?::[0-9a-f]{1,4}){1,7})|(?:(?::[0-9a-f]{1,4}){0,5}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(?:%.+)?\s*$/i,
  47   regex: regex,
  48   // uuid: http://tools.ietf.org/html/rfc4122
  49   uuid: UUID,
  50   // JSON-pointer: https://tools.ietf.org/html/rfc6901
  51   // uri fragment: https://tools.ietf.org/html/rfc3986#appendix-A
  52   'json-pointer': JSON_POINTER,
  53   // relative JSON-pointer: http://tools.ietf.org/html/draft-luff-relative-json-pointer-00
  54   'relative-json-pointer': RELATIVE_JSON_POINTER
  55 };
  56
  57
  58 formats.full = {
  59   date: date,
  60   time: time,
  61   'date-time': date_time,
  62   uri: uri,
  63   email: /^[a-z0-9!#$%&'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&''*+\/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$/i,
  64   hostname: hostname,
  65   ipv4: /^(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)$/,
  66   ipv6: /^\s*(?:(?:(?:[0-9a-f]{1,4}:){7}(?:[0-9a-f]{1,4}|:))|(?:(?:[0-9a-f]{1,4}:){6}(?::[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){5}(?:(?:(?::[0-9a-f]{1,4}){1,2})|:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){4}(?:(?:(?::[0-9a-f]{1,4}){1,3})|(?:(?::[0-9a-f]{1,4})?:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){3}(?:(?:(?::[0-9a-f]{1,4}){1,4})|(?:(?::[0-9a-f]{1,4}){0,2}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){2}(?:(?:(?::[0-9a-f]{1,4}){1,5})|(?:(?::[0-9a-f]{1,4}){0,3}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){1}(?:(?:(?::[0-9a-f]{1,4}){1,6})|(?:(?::[0-9a-f]{1,4}){0,4}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?::(?:(?:(?::[0-9a-f]{1,4}){1,7})|(?:(?::[0-9a-f]{1,4}){0,5}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(?:%.+)?\s*$/i,
  67   regex: regex,
  68   uuid: UUID,
  69   'json-pointer': JSON_POINTER,
  70   'relative-json-pointer': RELATIVE_JSON_POINTER
  71 };
  72
  73
  74 formats.compare = {
  75   date: compareDate,
  76   time: compareTime,
  77   'date-time': compareDateTime
  78 };
  79
  80
  81 function date(str) {
  82   // full-date from http://tools.ietf.org/html/rfc3339#section-5.6
  83   var matches = str.match(DATE);
  84   if (!matches) return false;
  85
  86   var month = +matches[1];
  87   var day = +matches[2];
  88   return month >= 1 && month <= 12 && day >= 1 && day <= DAYS[month];
  89 }
  90
  91
  92 function time(str, full) {
  93   var matches = str.match(TIME);
  94   if (!matches) return false;
  95
  96   var hour = matches[1];
  97   var minute = matches[2];
  98   var second = matches[3];
  99   var timeZone = matches[5];
 100   return hour <= 23 && minute <= 59 && second <= 59 && (!full || timeZone);
 101 }
 102
 103
 104 var DATE_TIME_SEPARATOR = /t|\s/i;
 105 function date_time(str) {
 106   // http://tools.ietf.org/html/rfc3339#section-5.6
 107   var dateTime = str.split(DATE_TIME_SEPARATOR);
 108   return dateTime.length == 2 && date(dateTime[0]) && time(dateTime[1], true);
 109 }
 110
 111
 112 function hostname(str) {
 113   // https://tools.ietf.org/html/rfc1034#section-3.5
 114   // https://tools.ietf.org/html/rfc1123#section-2
 115   return str.length <= 255 && HOSTNAME.test(str);
 116 }
 117
 118
 119 var NOT_URI_FRAGMENT = /\/|\:/;
 120 function uri(str) {
 121   // http://jmrware.com/articles/2009/uri_regexp/URI_regex.html + optional protocol + required "."
 122   return NOT_URI_FRAGMENT.test(str) && URI.test(str);
 123 }
 124
 125
 126 function regex(str) {
 127   try {
 128     new RegExp(str);
 129     return true;
 130   } catch(e) {
 131     return false;
 132   }
 133 }
 134
 135
 136 function compareDate(d1, d2) {
 137   if (!(d1 && d2)) return;
 138   if (d1 > d2) return 1;
 139   if (d1 < d2) return -1;
 140   if (d1 === d2) return 0;
 141 }
 142
 143
 144 function compareTime(t1, t2) {
 145   if (!(t1 && t2)) return;
 146   t1 = t1.match(TIME);
 147   t2 = t2.match(TIME);
 148   if (!(t1 && t2)) return;
 149   t1 = t1[1] + t1[2] + t1[3] + (t1[4]||'');
 150   t2 = t2[1] + t2[2] + t2[3] + (t2[4]||'');
 151   if (t1 > t2) return 1;
 152   if (t1 < t2) return -1;
 153   if (t1 === t2) return 0;
 154 }
 155
 156
 157 function compareDateTime(dt1, dt2) {
 158   if (!(dt1 && dt2)) return;
 159   dt1 = dt1.split(DATE_TIME_SEPARATOR);
 160   dt2 = dt2.split(DATE_TIME_SEPARATOR);
 161   var res = compareDate(dt1[0], dt2[0]);
 162   if (res === undefined) return;
 163   return res || compareTime(dt1[1], dt2[1]);
 164 }