modules/luci-base/htdocs/luci-static/resources/validation.js

   1 'use strict';
   2 'require baseclass';
   3
   4 function bytelen(x) {
   5         return new Blob([x]).size;
   6 }
   7
   8 var Validator = baseclass.extend({
   9         __name__: 'Validation',
  10
  11         __init__: function(field, type, optional, vfunc, validatorFactory) {
  12                 this.field = field;
  13                 this.optional = optional;
  14                 this.vfunc = vfunc;
  15                 this.vstack = validatorFactory.compile(type);
  16                 this.factory = validatorFactory;
  17         },
  18
  19         assert: function(condition, message) {
  20                 if (!condition) {
  21                         this.field.classList.add('cbi-input-invalid');
  22                         this.error = message;
  23                         return false;
  24                 }
  25
  26                 this.field.classList.remove('cbi-input-invalid');
  27                 this.error = null;
  28                 return true;
  29         },
  30
  31         apply: function(name, value, args) {
  32                 var func;
  33
  34                 if (typeof(name) === 'function')
  35                         func = name;
  36                 else if (typeof(this.factory.types[name]) === 'function')
  37                         func = this.factory.types[name];
  38                 else
  39                         return false;
  40
  41                 if (value != null)
  42                         this.value = value;
  43
  44                 return func.apply(this, args);
  45         },
  46
  47         validate: function() {
  48                 /* element is detached */
  49                 if (!findParent(this.field, 'body') && !findParent(this.field, '[data-field]'))
  50                         return true;
  51
  52                 this.field.classList.remove('cbi-input-invalid');
  53                 this.value = (this.field.value != null) ? this.field.value : '';
  54                 this.error = null;
  55
  56                 var valid;
  57
  58                 if (this.value.length === 0)
  59                         valid = this.assert(this.optional, _('non-empty value'));
  60                 else
  61                         valid = this.vstack[0].apply(this, this.vstack[1]);
  62
  63                 if (valid !== true) {
  64                         this.field.setAttribute('data-tooltip', _('Expecting: %s').format(this.error));
  65                         this.field.setAttribute('data-tooltip-style', 'error');
  66                         this.field.dispatchEvent(new CustomEvent('validation-failure', { bubbles: true }));
  67                         return false;
  68                 }
  69
  70                 if (typeof(this.vfunc) == 'function')
  71                         valid = this.vfunc(this.value);
  72
  73                 if (valid !== true) {
  74                         this.assert(false, valid);
  75                         this.field.setAttribute('data-tooltip', valid);
  76                         this.field.setAttribute('data-tooltip-style', 'error');
  77                         this.field.dispatchEvent(new CustomEvent('validation-failure', { bubbles: true }));
  78                         return false;
  79                 }
  80
  81                 this.field.removeAttribute('data-tooltip');
  82                 this.field.removeAttribute('data-tooltip-style');
  83                 this.field.dispatchEvent(new CustomEvent('validation-success', { bubbles: true }));
  84                 return true;
  85         },
  86
  87 });
  88
  89 var ValidatorFactory = baseclass.extend({
  90         __name__: 'ValidatorFactory',
  91
  92         create: function(field, type, optional, vfunc) {
  93                 return new Validator(field, type, optional, vfunc, this);
  94         },
  95
  96         compile: function(code) {
  97                 var pos = 0;
  98                 var esc = false;
  99                 var depth = 0;
 100                 var stack = [ ];
 101
 102                 code += ',';
 103
 104                 for (var i = 0; i < code.length; i++) {
 105                         if (esc) {
 106                                 esc = false;
 107                                 continue;
 108                         }
 109
 110                         switch (code.charCodeAt(i))
 111                         {
 112                         case 92:
 113                                 esc = true;
 114                                 break;
 115
 116                         case 40:
 117                         case 44:
 118                                 if (depth <= 0) {
 119                                         if (pos < i) {
 120                                                 var label = code.substring(pos, i);
 121                                                         label = label.replace(/\\(.)/g, '$1');
 122                                                         label = label.replace(/^[ \t]+/g, '');
 123                                                         label = label.replace(/[ \t]+$/g, '');
 124
 125                                                 if (label && !isNaN(label)) {
 126                                                         stack.push(parseFloat(label));
 127                                                 }
 128                                                 else if (label.match(/^(['"]).*\1$/)) {
 129                                                         stack.push(label.replace(/^(['"])(.*)\1$/, '$2'));
 130                                                 }
 131                                                 else if (typeof this.types[label] == 'function') {
 132                                                         stack.push(this.types[label]);
 133                                                         stack.push(null);
 134                                                 }
 135                                                 else {
 136                                                         L.raise('SyntaxError', 'Unhandled token "%s"', label);
 137                                                 }
 138                                         }
 139
 140                                         pos = i+1;
 141                                 }
 142
 143                                 depth += (code.charCodeAt(i) == 40);
 144                                 break;
 145
 146                         case 41:
 147                                 if (--depth <= 0) {
 148                                         if (typeof stack[stack.length-2] != 'function')
 149                                                 L.raise('SyntaxError', 'Argument list follows non-function');
 150
 151                                         stack[stack.length-1] = this.compile(code.substring(pos, i));
 152                                         pos = i+1;
 153                                 }
 154
 155                                 break;
 156                         }
 157                 }
 158
 159                 return stack;
 160         },
 161
 162         parseInteger: function(x) {
 163                 return (/^-?\d+$/.test(x) ? +x : NaN);
 164         },
 165
 166         parseDecimal: function(x) {
 167                 return (/^-?\d+(?:\.\d+)?$/.test(x) ? +x : NaN);
 168         },
 169
 170         parseIPv4: function(x) {
 171                 if (!x.match(/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/))
 172                         return null;
 173
 174                 if (RegExp.$1 > 255 || RegExp.$2 > 255 || RegExp.$3 > 255 || RegExp.$4 > 255)
 175                         return null;
 176
 177                 return [ +RegExp.$1, +RegExp.$2, +RegExp.$3, +RegExp.$4 ];
 178         },
 179
 180         parseIPv6: function(x) {
 181                 if (x.match(/^([a-fA-F0-9:]+):(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})$/)) {
 182                         var v6 = RegExp.$1, v4 = this.parseIPv4(RegExp.$2);
 183
 184                         if (!v4)
 185                                 return null;
 186
 187                         x = v6 + ':' + (v4[0] * 256 + v4[1]).toString(16)
 188                                + ':' + (v4[2] * 256 + v4[3]).toString(16);
 189                 }
 190
 191                 if (!x.match(/^[a-fA-F0-9:]+$/))
 192                         return null;
 193
 194                 var prefix_suffix = x.split(/::/);
 195
 196                 if (prefix_suffix.length > 2)
 197                         return null;
 198
 199                 var prefix = (prefix_suffix[0] || '0').split(/:/);
 200                 var suffix = prefix_suffix.length > 1 ? (prefix_suffix[1] || '0').split(/:/) : [];
 201
 202                 if (suffix.length ? (prefix.length + suffix.length > 7)
 203                                   : ((prefix_suffix.length < 2 && prefix.length < 8) || prefix.length > 8))
 204                         return null;
 205
 206                 var i, word;
 207                 var words = [];
 208
 209                 for (i = 0, word = parseInt(prefix[0], 16); i < prefix.length; word = parseInt(prefix[++i], 16))
 210                         if (prefix[i].length <= 4 && !isNaN(word) && word <= 0xFFFF)
 211                                 words.push(word);
 212                         else
 213                                 return null;
 214
 215                 for (i = 0; i < (8 - prefix.length - suffix.length); i++)
 216                         words.push(0);
 217
 218                 for (i = 0, word = parseInt(suffix[0], 16); i < suffix.length; word = parseInt(suffix[++i], 16))
 219                         if (suffix[i].length <= 4 && !isNaN(word) && word <= 0xFFFF)
 220                                 words.push(word);
 221                         else
 222                                 return null;
 223
 224                 return words;
 225         },
 226
 227         types: {
 228                 integer: function() {
 229                         return this.assert(!isNaN(this.factory.parseInteger(this.value)), _('valid integer value'));
 230                 },
 231
 232                 uinteger: function() {
 233                         return this.assert(this.factory.parseInteger(this.value) >= 0, _('positive integer value'));
 234                 },
 235
 236                 float: function() {
 237                         return this.assert(!isNaN(this.factory.parseDecimal(this.value)), _('valid decimal value'));
 238                 },
 239
 240                 ufloat: function() {
 241                         return this.assert(this.factory.parseDecimal(this.value) >= 0, _('positive decimal value'));
 242                 },
 243
 244                 ipaddr: function(nomask) {
 245                         return this.assert(this.apply('ip4addr', null, [nomask]) || this.apply('ip6addr', null, [nomask]),
 246                                 nomask ? _('valid IP address') : _('valid IP address or prefix'));
 247                 },
 248
 249                 ip4addr: function(nomask) {
 250                         var re = nomask ? /^(\d+\.\d+\.\d+\.\d+)$/ : /^(\d+\.\d+\.\d+\.\d+)(?:\/(\d+\.\d+\.\d+\.\d+)|\/(\d{1,2}))?$/,
 251                             m = this.value.match(re);
 252
 253                         return this.assert(m && this.factory.parseIPv4(m[1]) && (m[2] ? this.factory.parseIPv4(m[2]) : (m[3] ? this.apply('ip4prefix', m[3]) : true)),
 254                                 nomask ? _('valid IPv4 address') : _('valid IPv4 address or network'));
 255                 },
 256
 257                 ip6addr: function(nomask) {
 258                         var re = nomask ? /^([0-9a-fA-F:.]+)$/ : /^([0-9a-fA-F:.]+)(?:\/(\d{1,3}))?$/,
 259                             m = this.value.match(re);
 260
 261                         return this.assert(m && this.factory.parseIPv6(m[1]) && (m[2] ? this.apply('ip6prefix', m[2]) : true),
 262                                 nomask ? _('valid IPv6 address') : _('valid IPv6 address or prefix'));
 263                 },
 264
 265                 ip4prefix: function() {
 266                         return this.assert(!isNaN(this.value) && this.value >= 0 && this.value <= 32,
 267                                 _('valid IPv4 prefix value (0-32)'));
 268                 },
 269
 270                 ip6prefix: function() {
 271                         return this.assert(!isNaN(this.value) && this.value >= 0 && this.value <= 128,
 272                                 _('valid IPv6 prefix value (0-128)'));
 273                 },
 274
 275                 cidr: function() {
 276                         return this.assert(this.apply('cidr4') || this.apply('cidr6'), _('valid IPv4 or IPv6 CIDR'));
 277                 },
 278
 279                 cidr4: function() {
 280                         var m = this.value.match(/^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\/(\d{1,2})$/);
 281                         return this.assert(m && this.factory.parseIPv4(m[1]) && this.apply('ip4prefix', m[2]), _('valid IPv4 CIDR'));
 282                 },
 283
 284                 cidr6: function() {
 285                         var m = this.value.match(/^([0-9a-fA-F:.]+)\/(\d{1,3})$/);
 286                         return this.assert(m && this.factory.parseIPv6(m[1]) && this.apply('ip6prefix', m[2]), _('valid IPv6 CIDR'));
 287                 },
 288
 289                 ipnet4: function() {
 290                         var m = this.value.match(/^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\/(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})$/);
 291                         return this.assert(m && this.factory.parseIPv4(m[1]) && this.factory.parseIPv4(m[2]), _('IPv4 network in address/netmask notation'));
 292                 },
 293
 294                 ipnet6: function() {
 295                         var m = this.value.match(/^([0-9a-fA-F:.]+)\/([0-9a-fA-F:.]+)$/);
 296                         return this.assert(m && this.factory.parseIPv6(m[1]) && this.factory.parseIPv6(m[2]), _('IPv6 network in address/netmask notation'));
 297                 },
 298
 299                 ip6hostid: function() {
 300                         if (this.value == "eui64" || this.value == "random")
 301                                 return true;
 302
 303                         var v6 = this.factory.parseIPv6(this.value);
 304                         return this.assert(!(!v6 || v6[0] || v6[1] || v6[2] || v6[3]), _('valid IPv6 host id'));
 305                 },
 306
 307                 ipmask: function() {
 308                         return this.assert(this.apply('ipmask4') || this.apply('ipmask6'),
 309                                 _('valid network in address/netmask notation'));
 310                 },
 311
 312                 ipmask4: function() {
 313                         return this.assert(this.apply('cidr4') || this.apply('ipnet4') || this.apply('ip4addr'),
 314                                 _('valid IPv4 network'));
 315                 },
 316
 317                 ipmask6: function() {
 318                         return this.assert(this.apply('cidr6') || this.apply('ipnet6') || this.apply('ip6addr'),
 319                                 _('valid IPv6 network'));
 320                 },
 321
 322                 port: function() {
 323                         var p = this.factory.parseInteger(this.value);
 324                         return this.assert(p >= 0 && p <= 65535, _('valid port value'));
 325                 },
 326
 327                 portrange: function() {
 328                         if (this.value.match(/^(\d+)-(\d+)$/)) {
 329                                 var p1 = +RegExp.$1;
 330                                 var p2 = +RegExp.$2;
 331                                 return this.assert(p1 <= p2 && p2 <= 65535,
 332                                         _('valid port or port range (port1-port2)'));
 333                         }
 334
 335                         return this.assert(this.apply('port'), _('valid port or port range (port1-port2)'));
 336                 },
 337
 338                 macaddr: function() {
 339                         return this.assert(this.value.match(/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/) != null,
 340                                 _('valid MAC address'));
 341                 },
 342
 343                 host: function(ipv4only) {
 344                         return this.assert(this.apply('hostname') || this.apply(ipv4only == 1 ? 'ip4addr' : 'ipaddr', null, ['nomask']),
 345                                 _('valid hostname or IP address'));
 346                 },
 347
 348                 hostname: function(strict) {
 349                         if (this.value.length <= 253)
 350                                 return this.assert(
 351                                         (this.value.match(/^[a-zA-Z0-9_]+$/) != null ||
 352                                                 (this.value.match(/^[a-zA-Z0-9_][a-zA-Z0-9_\-.]*[a-zA-Z0-9]$/) &&
 353                                                  this.value.match(/[^0-9.]/))) &&
 354                                         (!strict || !this.value.match(/^_/)),
 355                                         _('valid hostname'));
 356
 357                         return this.assert(false, _('valid hostname'));
 358                 },
 359
 360                 network: function() {
 361                         return this.assert(this.apply('uciname') || this.apply('host'),
 362                                 _('valid UCI identifier, hostname or IP address'));
 363                 },
 364
 365                 hostport: function(ipv4only) {
 366                         var hp = this.value.split(/:/);
 367                         return this.assert(hp.length == 2 && this.apply('host', hp[0], [ipv4only]) && this.apply('port', hp[1]),
 368                                 _('valid host:port'));
 369                 },
 370
 371                 ip4addrport: function() {
 372                         var hp = this.value.split(/:/);
 373                         return this.assert(hp.length == 2 && this.apply('ip4addr', hp[0], [true]) && this.apply('port', hp[1]),
 374                                 _('valid IPv4 address:port'));
 375                 },
 376
 377                 ipaddrport: function(bracket) {
 378                         var m4 = this.value.match(/^([^\[\]:]+):(\d+)$/),
 379                             m6 = this.value.match((bracket == 1) ? /^\[(.+)\]:(\d+)$/ : /^([^\[\]]+):(\d+)$/);
 380
 381                         if (m4)
 382                                 return this.assert(this.apply('ip4addr', m4[1], [true]) && this.apply('port', m4[2]),
 383                                         _('valid address:port'));
 384
 385                         return this.assert(m6 && this.apply('ip6addr', m6[1], [true]) && this.apply('port', m6[2]),
 386                                 _('valid address:port'));
 387                 },
 388
 389                 wpakey: function() {
 390                         var v = this.value;
 391
 392                         if (v.length == 64)
 393                                 return this.assert(v.match(/^[a-fA-F0-9]{64}$/), _('valid hexadecimal WPA key'));
 394
 395                         return this.assert((v.length >= 8) && (v.length <= 63), _('key between 8 and 63 characters'));
 396                 },
 397
 398                 wepkey: function() {
 399                         var v = this.value;
 400
 401                         if (v.substr(0, 2) === 's:')
 402                                 v = v.substr(2);
 403
 404                         if ((v.length == 10) || (v.length == 26))
 405                                 return this.assert(v.match(/^[a-fA-F0-9]{10,26}$/), _('valid hexadecimal WEP key'));
 406
 407                         return this.assert((v.length === 5) || (v.length === 13), _('key with either 5 or 13 characters'));
 408                 },
 409
 410                 uciname: function() {
 411                         return this.assert(this.value.match(/^[a-zA-Z0-9_]+$/), _('valid UCI identifier'));
 412                 },
 413
 414                 range: function(min, max) {
 415                         var val = this.factory.parseDecimal(this.value);
 416                         return this.assert(val >= +min && val <= +max, _('value between %f and %f').format(min, max));
 417                 },
 418
 419                 min: function(min) {
 420                         return this.assert(this.factory.parseDecimal(this.value) >= +min, _('value greater or equal to %f').format(min));
 421                 },
 422
 423                 max: function(max) {
 424                         return this.assert(this.factory.parseDecimal(this.value) <= +max, _('value smaller or equal to %f').format(max));
 425                 },
 426
 427                 length: function(len) {
 428                         return this.assert(bytelen(this.value) == +len,
 429                                 _('value with %d characters').format(len));
 430                 },
 431
 432                 rangelength: function(min, max) {
 433                         var len = bytelen(this.value);
 434                         return this.assert((len >= +min) && (len <= +max),
 435                                 _('value between %d and %d characters').format(min, max));
 436                 },
 437
 438                 minlength: function(min) {
 439                         return this.assert(bytelen(this.value) >= +min,
 440                                 _('value with at least %d characters').format(min));
 441                 },
 442
 443                 maxlength: function(max) {
 444                         return this.assert(bytelen(this.value) <= +max,
 445                                 _('value with at most %d characters').format(max));
 446                 },
 447
 448                 or: function() {
 449                         var errors = [];
 450
 451                         for (var i = 0; i < arguments.length; i += 2) {
 452                                 if (typeof arguments[i] != 'function') {
 453                                         if (arguments[i] == this.value)
 454                                                 return this.assert(true);
 455                                         errors.push('"%s"'.format(arguments[i]));
 456                                         i--;
 457                                 }
 458                                 else if (arguments[i].apply(this, arguments[i+1])) {
 459                                         return this.assert(true);
 460                                 }
 461                                 else {
 462                                         errors.push(this.error);
 463                                 }
 464                         }
 465
 466                         var t = _('One of the following: %s');
 467
 468                         return this.assert(false, t.format('\n - ' + errors.join('\n - ')));
 469                 },
 470
 471                 and: function() {
 472                         for (var i = 0; i < arguments.length; i += 2) {
 473                                 if (typeof arguments[i] != 'function') {
 474                                         if (arguments[i] != this.value)
 475                                                 return this.assert(false, '"%s"'.format(arguments[i]));
 476                                         i--;
 477                                 }
 478                                 else if (!arguments[i].apply(this, arguments[i+1])) {
 479                                         return this.assert(false, this.error);
 480                                 }
 481                         }
 482
 483                         return this.assert(true);
 484                 },
 485
 486                 neg: function() {
 487                         this.value = this.value.replace(/^[ \t]*![ \t]*/, '');
 488
 489                         if (arguments[0].apply(this, arguments[1]))
 490                                 return this.assert(true);
 491
 492                         return this.assert(false, _('Potential negation of: %s').format(this.error));
 493                 },
 494
 495                 list: function(subvalidator, subargs) {
 496                         this.field.setAttribute('data-is-list', 'true');
 497
 498                         var tokens = this.value.match(/[^ \t]+/g);
 499                         for (var i = 0; i < tokens.length; i++)
 500                                 if (!this.apply(subvalidator, tokens[i], subargs))
 501                                         return this.assert(false, this.error);
 502
 503                         return this.assert(true);
 504                 },
 505
 506                 phonedigit: function() {
 507                         return this.assert(this.value.match(/^[0-9\*#!\.]+$/),
 508                                 _('valid phone digit (0-9, "*", "#", "!" or ".")'));
 509                 },
 510
 511                 timehhmmss: function() {
 512                         return this.assert(this.value.match(/^[0-6][0-9]:[0-6][0-9]:[0-6][0-9]$/),
 513                                 _('valid time (HH:MM:SS)'));
 514                 },
 515
 516                 dateyyyymmdd: function() {
 517                         if (this.value.match(/^(\d\d\d\d)-(\d\d)-(\d\d)/)) {
 518                                 var year  = +RegExp.$1,
 519                                     month = +RegExp.$2,
 520                                     day   = +RegExp.$3,
 521                                     days_in_month = [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];
 522
 523                                 var is_leap_year = function(year) {
 524                                         return ((!(year % 4) && (year % 100)) || !(year % 400));
 525                                 }
 526
 527                                 var get_days_in_month = function(month, year) {
 528                                         return (month === 2 && is_leap_year(year)) ? 29 : days_in_month[month - 1];
 529                                 }
 530
 531                                 /* Firewall rules in the past don't make sense */
 532                                 return this.assert(year >= 2015 && month && month <= 12 && day && day <= get_days_in_month(month, year),
 533                                         _('valid date (YYYY-MM-DD)'));
 534
 535                         }
 536
 537                         return this.assert(false, _('valid date (YYYY-MM-DD)'));
 538                 },
 539
 540                 unique: function(subvalidator, subargs) {
 541                         var ctx = this,
 542                             option = findParent(ctx.field, '[data-widget][data-name]'),
 543                             section = findParent(option, '.cbi-section'),
 544                             query = '[data-widget="%s"][data-name="%s"]'.format(option.getAttribute('data-widget'), option.getAttribute('data-name')),
 545                             unique = true;
 546
 547                         section.querySelectorAll(query).forEach(function(sibling) {
 548                                 if (sibling === option)
 549                                         return;
 550
 551                                 var input = sibling.querySelector('[data-type]'),
 552                                     values = input ? (input.getAttribute('data-is-list') ? input.value.match(/[^ \t]+/g) : [ input.value ]) : null;
 553
 554                                 if (values !== null && values.indexOf(ctx.value) !== -1)
 555                                         unique = false;
 556                         });
 557
 558                         if (!unique)
 559                                 return this.assert(false, _('unique value'));
 560
 561                         if (typeof(subvalidator) === 'function')
 562                                 return this.apply(subvalidator, null, subargs);
 563
 564                         return this.assert(true);
 565                 },
 566
 567                 hexstring: function() {
 568                         return this.assert(this.value.match(/^([a-f0-9][a-f0-9]|[A-F0-9][A-F0-9])+$/),
 569                                 _('hexadecimal encoded value'));
 570                 },
 571
 572                 string: function() {
 573                         return true;
 574                 }
 575         }
 576 });
 577
 578 return ValidatorFactory;