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

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