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| 1 // DO NOT EDIT- this file is generated from running tool/generator.sh. |
| 2 |
| 3 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| 4 // for details. All rights reserved. Use of this source code is governed by a |
| 5 // BSD-style license that can be found in the LICENSE file. |
| 6 |
| 7 part of dart.dom.html; |
| 8 |
| 9 /** |
| 10 * A Dart DOM validator generated from Caja whitelists. |
| 11 * |
| 12 * This contains a whitelist of known HTML tagNames and attributes and will only |
| 13 * accept known good values. |
| 14 * |
| 15 * See also: |
| 16 * |
| 17 * * <https://code.google.com/p/google-caja/wiki/CajaWhitelists> |
| 18 */ |
| 19 class _Html5NodeValidator implements NodeValidator { |
| 20 |
| 21 static final Set<String> _allowedElements = new Set.from([ |
| 22 'A', |
| 23 'ABBR', |
| 24 'ACRONYM', |
| 25 'ADDRESS', |
| 26 'AREA', |
| 27 'ARTICLE', |
| 28 'ASIDE', |
| 29 'AUDIO', |
| 30 'B', |
| 31 'BDI', |
| 32 'BDO', |
| 33 'BIG', |
| 34 'BLOCKQUOTE', |
| 35 'BR', |
| 36 'BUTTON', |
| 37 'CANVAS', |
| 38 'CAPTION', |
| 39 'CENTER', |
| 40 'CITE', |
| 41 'CODE', |
| 42 'COL', |
| 43 'COLGROUP', |
| 44 'COMMAND', |
| 45 'DATA', |
| 46 'DATALIST', |
| 47 'DD', |
| 48 'DEL', |
| 49 'DETAILS', |
| 50 'DFN', |
| 51 'DIR', |
| 52 'DIV', |
| 53 'DL', |
| 54 'DT', |
| 55 'EM', |
| 56 'FIELDSET', |
| 57 'FIGCAPTION', |
| 58 'FIGURE', |
| 59 'FONT', |
| 60 'FOOTER', |
| 61 'FORM', |
| 62 'H1', |
| 63 'H2', |
| 64 'H3', |
| 65 'H4', |
| 66 'H5', |
| 67 'H6', |
| 68 'HEADER', |
| 69 'HGROUP', |
| 70 'HR', |
| 71 'I', |
| 72 'IFRAME', |
| 73 'IMG', |
| 74 'INPUT', |
| 75 'INS', |
| 76 'KBD', |
| 77 'LABEL', |
| 78 'LEGEND', |
| 79 'LI', |
| 80 'MAP', |
| 81 'MARK', |
| 82 'MENU', |
| 83 'METER', |
| 84 'NAV', |
| 85 'NOBR', |
| 86 'OL', |
| 87 'OPTGROUP', |
| 88 'OPTION', |
| 89 'OUTPUT', |
| 90 'P', |
| 91 'PRE', |
| 92 'PROGRESS', |
| 93 'Q', |
| 94 'S', |
| 95 'SAMP', |
| 96 'SECTION', |
| 97 'SELECT', |
| 98 'SMALL', |
| 99 'SOURCE', |
| 100 'SPAN', |
| 101 'STRIKE', |
| 102 'STRONG', |
| 103 'SUB', |
| 104 'SUMMARY', |
| 105 'SUP', |
| 106 'TABLE', |
| 107 'TBODY', |
| 108 'TD', |
| 109 'TEXTAREA', |
| 110 'TFOOT', |
| 111 'TH', |
| 112 'THEAD', |
| 113 'TIME', |
| 114 'TR', |
| 115 'TRACK', |
| 116 'TT', |
| 117 'U', |
| 118 'UL', |
| 119 'VAR', |
| 120 'VIDEO', |
| 121 'WBR', |
| 122 ]); |
| 123 |
| 124 static const _standardAttributes = const <String>[ |
| 125 '*::class', |
| 126 '*::dir', |
| 127 '*::draggable', |
| 128 '*::hidden', |
| 129 '*::id', |
| 130 '*::inert', |
| 131 '*::itemprop', |
| 132 '*::itemref', |
| 133 '*::itemscope', |
| 134 '*::lang', |
| 135 '*::spellcheck', |
| 136 '*::title', |
| 137 '*::translate', |
| 138 'A::accesskey', |
| 139 'A::coords', |
| 140 'A::hreflang', |
| 141 'A::name', |
| 142 'A::shape', |
| 143 'A::tabindex', |
| 144 'A::target', |
| 145 'A::type', |
| 146 'AREA::accesskey', |
| 147 'AREA::alt', |
| 148 'AREA::coords', |
| 149 'AREA::nohref', |
| 150 'AREA::shape', |
| 151 'AREA::tabindex', |
| 152 'AREA::target', |
| 153 'AUDIO::controls', |
| 154 'AUDIO::loop', |
| 155 'AUDIO::mediagroup', |
| 156 'AUDIO::muted', |
| 157 'AUDIO::preload', |
| 158 'BDO::dir', |
| 159 'BODY::alink', |
| 160 'BODY::bgcolor', |
| 161 'BODY::link', |
| 162 'BODY::text', |
| 163 'BODY::vlink', |
| 164 'BR::clear', |
| 165 'BUTTON::accesskey', |
| 166 'BUTTON::disabled', |
| 167 'BUTTON::name', |
| 168 'BUTTON::tabindex', |
| 169 'BUTTON::type', |
| 170 'BUTTON::value', |
| 171 'CANVAS::height', |
| 172 'CANVAS::width', |
| 173 'CAPTION::align', |
| 174 'COL::align', |
| 175 'COL::char', |
| 176 'COL::charoff', |
| 177 'COL::span', |
| 178 'COL::valign', |
| 179 'COL::width', |
| 180 'COLGROUP::align', |
| 181 'COLGROUP::char', |
| 182 'COLGROUP::charoff', |
| 183 'COLGROUP::span', |
| 184 'COLGROUP::valign', |
| 185 'COLGROUP::width', |
| 186 'COMMAND::checked', |
| 187 'COMMAND::command', |
| 188 'COMMAND::disabled', |
| 189 'COMMAND::label', |
| 190 'COMMAND::radiogroup', |
| 191 'COMMAND::type', |
| 192 'DATA::value', |
| 193 'DEL::datetime', |
| 194 'DETAILS::open', |
| 195 'DIR::compact', |
| 196 'DIV::align', |
| 197 'DL::compact', |
| 198 'FIELDSET::disabled', |
| 199 'FONT::color', |
| 200 'FONT::face', |
| 201 'FONT::size', |
| 202 'FORM::accept', |
| 203 'FORM::autocomplete', |
| 204 'FORM::enctype', |
| 205 'FORM::method', |
| 206 'FORM::name', |
| 207 'FORM::novalidate', |
| 208 'FORM::target', |
| 209 'FRAME::name', |
| 210 'H1::align', |
| 211 'H2::align', |
| 212 'H3::align', |
| 213 'H4::align', |
| 214 'H5::align', |
| 215 'H6::align', |
| 216 'HR::align', |
| 217 'HR::noshade', |
| 218 'HR::size', |
| 219 'HR::width', |
| 220 'HTML::version', |
| 221 'IFRAME::align', |
| 222 'IFRAME::frameborder', |
| 223 'IFRAME::height', |
| 224 'IFRAME::marginheight', |
| 225 'IFRAME::marginwidth', |
| 226 'IFRAME::width', |
| 227 'IMG::align', |
| 228 'IMG::alt', |
| 229 'IMG::border', |
| 230 'IMG::height', |
| 231 'IMG::hspace', |
| 232 'IMG::ismap', |
| 233 'IMG::name', |
| 234 'IMG::usemap', |
| 235 'IMG::vspace', |
| 236 'IMG::width', |
| 237 'INPUT::accept', |
| 238 'INPUT::accesskey', |
| 239 'INPUT::align', |
| 240 'INPUT::alt', |
| 241 'INPUT::autocomplete', |
| 242 'INPUT::checked', |
| 243 'INPUT::disabled', |
| 244 'INPUT::inputmode', |
| 245 'INPUT::ismap', |
| 246 'INPUT::list', |
| 247 'INPUT::max', |
| 248 'INPUT::maxlength', |
| 249 'INPUT::min', |
| 250 'INPUT::multiple', |
| 251 'INPUT::name', |
| 252 'INPUT::placeholder', |
| 253 'INPUT::readonly', |
| 254 'INPUT::required', |
| 255 'INPUT::size', |
| 256 'INPUT::step', |
| 257 'INPUT::tabindex', |
| 258 'INPUT::type', |
| 259 'INPUT::usemap', |
| 260 'INPUT::value', |
| 261 'INS::datetime', |
| 262 'KEYGEN::disabled', |
| 263 'KEYGEN::keytype', |
| 264 'KEYGEN::name', |
| 265 'LABEL::accesskey', |
| 266 'LABEL::for', |
| 267 'LEGEND::accesskey', |
| 268 'LEGEND::align', |
| 269 'LI::type', |
| 270 'LI::value', |
| 271 'LINK::sizes', |
| 272 'MAP::name', |
| 273 'MENU::compact', |
| 274 'MENU::label', |
| 275 'MENU::type', |
| 276 'METER::high', |
| 277 'METER::low', |
| 278 'METER::max', |
| 279 'METER::min', |
| 280 'METER::value', |
| 281 'OBJECT::typemustmatch', |
| 282 'OL::compact', |
| 283 'OL::reversed', |
| 284 'OL::start', |
| 285 'OL::type', |
| 286 'OPTGROUP::disabled', |
| 287 'OPTGROUP::label', |
| 288 'OPTION::disabled', |
| 289 'OPTION::label', |
| 290 'OPTION::selected', |
| 291 'OPTION::value', |
| 292 'OUTPUT::for', |
| 293 'OUTPUT::name', |
| 294 'P::align', |
| 295 'PRE::width', |
| 296 'PROGRESS::max', |
| 297 'PROGRESS::min', |
| 298 'PROGRESS::value', |
| 299 'SELECT::autocomplete', |
| 300 'SELECT::disabled', |
| 301 'SELECT::multiple', |
| 302 'SELECT::name', |
| 303 'SELECT::required', |
| 304 'SELECT::size', |
| 305 'SELECT::tabindex', |
| 306 'SOURCE::type', |
| 307 'TABLE::align', |
| 308 'TABLE::bgcolor', |
| 309 'TABLE::border', |
| 310 'TABLE::cellpadding', |
| 311 'TABLE::cellspacing', |
| 312 'TABLE::frame', |
| 313 'TABLE::rules', |
| 314 'TABLE::summary', |
| 315 'TABLE::width', |
| 316 'TBODY::align', |
| 317 'TBODY::char', |
| 318 'TBODY::charoff', |
| 319 'TBODY::valign', |
| 320 'TD::abbr', |
| 321 'TD::align', |
| 322 'TD::axis', |
| 323 'TD::bgcolor', |
| 324 'TD::char', |
| 325 'TD::charoff', |
| 326 'TD::colspan', |
| 327 'TD::headers', |
| 328 'TD::height', |
| 329 'TD::nowrap', |
| 330 'TD::rowspan', |
| 331 'TD::scope', |
| 332 'TD::valign', |
| 333 'TD::width', |
| 334 'TEXTAREA::accesskey', |
| 335 'TEXTAREA::autocomplete', |
| 336 'TEXTAREA::cols', |
| 337 'TEXTAREA::disabled', |
| 338 'TEXTAREA::inputmode', |
| 339 'TEXTAREA::name', |
| 340 'TEXTAREA::placeholder', |
| 341 'TEXTAREA::readonly', |
| 342 'TEXTAREA::required', |
| 343 'TEXTAREA::rows', |
| 344 'TEXTAREA::tabindex', |
| 345 'TEXTAREA::wrap', |
| 346 'TFOOT::align', |
| 347 'TFOOT::char', |
| 348 'TFOOT::charoff', |
| 349 'TFOOT::valign', |
| 350 'TH::abbr', |
| 351 'TH::align', |
| 352 'TH::axis', |
| 353 'TH::bgcolor', |
| 354 'TH::char', |
| 355 'TH::charoff', |
| 356 'TH::colspan', |
| 357 'TH::headers', |
| 358 'TH::height', |
| 359 'TH::nowrap', |
| 360 'TH::rowspan', |
| 361 'TH::scope', |
| 362 'TH::valign', |
| 363 'TH::width', |
| 364 'THEAD::align', |
| 365 'THEAD::char', |
| 366 'THEAD::charoff', |
| 367 'THEAD::valign', |
| 368 'TR::align', |
| 369 'TR::bgcolor', |
| 370 'TR::char', |
| 371 'TR::charoff', |
| 372 'TR::valign', |
| 373 'TRACK::default', |
| 374 'TRACK::kind', |
| 375 'TRACK::label', |
| 376 'TRACK::srclang', |
| 377 'UL::compact', |
| 378 'UL::type', |
| 379 'VIDEO::controls', |
| 380 'VIDEO::height', |
| 381 'VIDEO::loop', |
| 382 'VIDEO::mediagroup', |
| 383 'VIDEO::muted', |
| 384 'VIDEO::preload', |
| 385 'VIDEO::width', |
| 386 ]; |
| 387 |
| 388 static const _uriAttributes = const <String>[ |
| 389 'A::href', |
| 390 'AREA::href', |
| 391 'BLOCKQUOTE::cite', |
| 392 'BODY::background', |
| 393 'COMMAND::icon', |
| 394 'DEL::cite', |
| 395 'FORM::action', |
| 396 'IMG::src', |
| 397 'INPUT::src', |
| 398 'INS::cite', |
| 399 'Q::cite', |
| 400 'VIDEO::poster', |
| 401 ]; |
| 402 |
| 403 final UriPolicy uriPolicy; |
| 404 |
| 405 static final Map<String, Function> _attributeValidators = {}; |
| 406 |
| 407 /** |
| 408 * All known URI attributes will be validated against the UriPolicy, if |
| 409 * [uriPolicy] is null then a default UriPolicy will be used. |
| 410 */ |
| 411 _Html5NodeValidator({UriPolicy uriPolicy}) |
| 412 :uriPolicy = uriPolicy != null ? uriPolicy : new UriPolicy() { |
| 413 |
| 414 if (_attributeValidators.isEmpty) { |
| 415 for (var attr in _standardAttributes) { |
| 416 _attributeValidators[attr] = _standardAttributeValidator; |
| 417 } |
| 418 |
| 419 for (var attr in _uriAttributes) { |
| 420 _attributeValidators[attr] = _uriAttributeValidator; |
| 421 } |
| 422 } |
| 423 } |
| 424 |
| 425 bool allowsElement(Element element) { |
| 426 return _allowedElements.contains(element.tagName); |
| 427 } |
| 428 |
| 429 bool allowsAttribute(Element element, String attributeName, String value) { |
| 430 var tagName = element.tagName; |
| 431 var validator = _attributeValidators['$tagName::$attributeName']; |
| 432 if (validator == null) { |
| 433 validator = _attributeValidators['*::$attributeName']; |
| 434 } |
| 435 if (validator == null) { |
| 436 return false; |
| 437 } |
| 438 return validator(element, attributeName, value, this); |
| 439 } |
| 440 |
| 441 static bool _standardAttributeValidator(Element element, String attributeName, |
| 442 String value, _Html5NodeValidator context) { |
| 443 return true; |
| 444 } |
| 445 |
| 446 static bool _uriAttributeValidator(Element element, String attributeName, |
| 447 String value, _Html5NodeValidator context) { |
| 448 return context.uriPolicy.allowsUri(value); |
| 449 } |
| 450 } |
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