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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 library validator_test; | |
| 6 | |
| 7 import 'dart:async'; | |
| 8 import 'dart:html'; | |
| 9 import 'dart:svg' as svg; | |
| 10 import 'package:unittest/unittest.dart'; | |
| 11 import 'package:unittest/html_config.dart'; | |
| 12 import 'utils.dart'; | |
| 13 | |
| 14 | |
| 15 var nullSanitizer = new NullTreeSanitizer(); | |
| 16 | |
| 17 void validateHtml(String html, String reference, NodeValidator validator) { | |
| 18 var a = document.body.createFragment(html, validator: validator); | |
| 19 var b = document.body.createFragment(reference, | |
| 20 treeSanitizer: nullSanitizer); | |
| 21 | |
| 22 validateNodeTree(a, b); | |
| 23 } | |
| 24 | |
| 25 class RecordingUriValidator implements UriPolicy { | |
| 26 final List<String> calls = <String>[]; | |
| 27 | |
| 28 bool allowsUri(String uri) { | |
| 29 calls.add('$uri'); | |
| 30 return false; | |
| 31 } | |
| 32 | |
| 33 void reset() { | |
| 34 calls.clear(); | |
| 35 } | |
| 36 } | |
| 37 | |
| 38 void testHtml(String name, NodeValidator validator, String html, | |
| 39 [String reference]) { | |
| 40 test(name, () { | |
| 41 if (reference == null) { | |
| 42 reference = html; | |
| 43 } | |
| 44 | |
| 45 validateHtml(html, reference, validator); | |
| 46 }); | |
| 47 } | |
| 48 | |
| 49 main() { | |
| 50 useHtmlConfiguration(); | |
| 51 | |
| 52 group('DOM sanitization', () { | |
| 53 var validator = new NodeValidatorBuilder.common(); | |
| 54 | |
| 55 testHtml('allows simple constructs', | |
| 56 validator, | |
| 57 '<div class="baz">something</div>'); | |
| 58 | |
| 59 testHtml('blocks unknown attributes', | |
| 60 validator, | |
| 61 '<div foo="baz">something</div>', | |
| 62 '<div>something</div>'); | |
| 63 | |
| 64 testHtml('blocks custom element', | |
| 65 validator, | |
| 66 '<x-my-element>something</x-my-element>', | |
| 67 ''); | |
| 68 | |
| 69 testHtml('blocks custom is element', | |
| 70 validator, | |
| 71 '<div is="x-my-element">something</div>', | |
| 72 ''); | |
| 73 | |
| 74 testHtml('blocks body elements', | |
| 75 validator, | |
| 76 '<body background="s"></body>', | |
| 77 ''); | |
| 78 | |
| 79 testHtml('allows select elements', | |
| 80 validator, | |
| 81 '<select>' | |
| 82 '<option>a</option>' | |
| 83 '</select>'); | |
| 84 | |
| 85 testHtml('blocks sequential script elements', | |
| 86 validator, | |
| 87 '<div><script></script><script></script></div>', | |
| 88 '<div></div>'); | |
| 89 | |
| 90 testHtml('blocks namespaced attributes', | |
| 91 validator, | |
| 92 '<div ns:foo="foo"></div>', | |
| 93 '<div></div>'); | |
| 94 | |
| 95 testHtml('blocks namespaced common attributes', | |
| 96 validator, | |
| 97 '<div ns:class="foo"></div>', | |
| 98 '<div></div>'); | |
| 99 | |
| 100 testHtml('blocks namespaced common elements', | |
| 101 validator, | |
| 102 '<ns:div></ns:div>', | |
| 103 ''); | |
| 104 | |
| 105 testHtml('allows CDATA sections', | |
| 106 validator, | |
| 107 '<span>![CDATA[ some text ]]></span>'); | |
| 108 | |
| 109 test('sanitizes template contents', () { | |
| 110 var html = '<template>' | |
| 111 '<div></div>' | |
| 112 '<script></script>' | |
| 113 '<img src="http://example.com/foo"/>' | |
| 114 '</template>'; | |
| 115 | |
| 116 var fragment = document.body.createFragment(html, validator: validator); | |
| 117 var template = fragment.nodes.single; | |
| 118 | |
| 119 var expectedContent = document.body.createFragment( | |
| 120 '<div></div>' | |
| 121 '<img/>'); | |
| 122 | |
| 123 validateNodeTree(template.content, expectedContent); | |
| 124 }); | |
| 125 }); | |
| 126 | |
| 127 group('URI sanitization', () { | |
| 128 var recorder = new RecordingUriValidator(); | |
| 129 var validator = new NodeValidatorBuilder()..allowHtml5(uriPolicy: recorder); | |
| 130 | |
| 131 checkUriPolicyCalls(String name, String html, String reference, | |
| 132 List<String> expectedCalls) { | |
| 133 | |
| 134 test(name, () { | |
| 135 recorder.reset(); | |
| 136 | |
| 137 validateHtml(html, reference, validator); | |
| 138 expect(recorder.calls, expectedCalls); | |
| 139 }); | |
| 140 } | |
| 141 | |
| 142 checkUriPolicyCalls('a::href', | |
| 143 '<a href="s"></a>', | |
| 144 '<a></a>', | |
| 145 ['s']); | |
| 146 | |
| 147 checkUriPolicyCalls('area::href', | |
| 148 '<area href="s"></area>', | |
| 149 '<area></area>', | |
| 150 ['s']); | |
| 151 | |
| 152 checkUriPolicyCalls('blockquote::cite', | |
| 153 '<blockquote cite="s"></blockquote>', | |
| 154 '<blockquote></blockquote>', | |
| 155 ['s']); | |
| 156 checkUriPolicyCalls('command::icon', | |
| 157 '<command icon="s"/>', | |
| 158 '<command/>', | |
| 159 ['s']); | |
| 160 checkUriPolicyCalls('img::src', | |
| 161 '<img src="s"/>', | |
| 162 '<img/>', | |
| 163 ['s']); | |
| 164 checkUriPolicyCalls('input::src', | |
| 165 '<input src="s"/>', | |
| 166 '<input/>', | |
| 167 ['s']); | |
| 168 checkUriPolicyCalls('ins::cite', | |
| 169 '<ins cite="s"></ins>', | |
| 170 '<ins></ins>', | |
| 171 ['s']); | |
| 172 checkUriPolicyCalls('q::cite', | |
| 173 '<q cite="s"></q>', | |
| 174 '<q></q>', | |
| 175 ['s']); | |
| 176 checkUriPolicyCalls('video::poster', | |
| 177 '<video poster="s"/>', | |
| 178 '<video/>', | |
| 179 ['s']); | |
| 180 }); | |
| 181 | |
| 182 group('NodeValidationPolicy', () { | |
| 183 | |
| 184 group('allowNavigation', () { | |
| 185 var validator = new NodeValidatorBuilder()..allowNavigation(); | |
| 186 | |
| 187 testHtml('allows anchor tags', | |
| 188 validator, | |
| 189 '<a href="#foo">foo</a>'); | |
| 190 | |
| 191 testHtml('allows form elements', | |
| 192 validator, | |
| 193 '<form method="post" action="/foo"></form>'); | |
| 194 | |
| 195 testHtml('disallows script navigation', | |
| 196 validator, | |
| 197 '<a href="javascript:foo = 1">foo</a>', | |
| 198 '<a>foo</a>'); | |
| 199 | |
| 200 testHtml('disallows cross-site navigation', | |
| 201 validator, | |
| 202 '<a href="http://example.com">example.com</a>', | |
| 203 '<a>example.com</a>'); | |
| 204 | |
| 205 testHtml('blocks other elements', | |
| 206 validator, | |
| 207 '<a href="#foo"><b>foo</b></a>', | |
| 208 '<a href="#foo"></a>'); | |
| 209 | |
| 210 testHtml('blocks tag extension', | |
| 211 validator, | |
| 212 '<a is="x-foo"></a>', | |
| 213 ''); | |
| 214 }); | |
| 215 | |
| 216 group('allowImages', () { | |
| 217 var validator = new NodeValidatorBuilder()..allowImages(); | |
| 218 | |
| 219 testHtml('allows images', | |
| 220 validator, | |
| 221 '<img src="/foo.jpg" alt="something" width="100" height="100"/>'); | |
| 222 | |
| 223 testHtml('blocks onerror', | |
| 224 validator, | |
| 225 '<img src="/foo.jpg" onerror="something"/>', | |
| 226 '<img src="/foo.jpg"/>'); | |
| 227 | |
| 228 testHtml('enforces same-origin', | |
| 229 validator, | |
| 230 '<img src="http://example.com/foo.jpg"/>', | |
| 231 '<img/>'); | |
| 232 }); | |
| 233 | |
| 234 group('allowCustomElement', () { | |
| 235 var validator = new NodeValidatorBuilder() | |
| 236 ..allowCustomElement( | |
| 237 'x-foo', | |
| 238 attributes: ['bar'], | |
| 239 uriAttributes: ['baz']) | |
| 240 ..allowHtml5(); | |
| 241 | |
| 242 testHtml('allows custom elements', | |
| 243 validator, | |
| 244 '<x-foo bar="something" baz="/foo.jpg"></x-foo>'); | |
| 245 | |
| 246 | |
| 247 testHtml('validates custom tag URIs', | |
| 248 validator, | |
| 249 '<x-foo baz="http://example.com/foo.jpg"></x-foo>', | |
| 250 '<x-foo></x-foo>'); | |
| 251 | |
| 252 testHtml('blocks type extensions', | |
| 253 validator, | |
| 254 '<div is="x-foo"></div>', | |
| 255 ''); | |
| 256 | |
| 257 testHtml('blocks tags on non-matching elements', | |
| 258 validator, | |
| 259 '<div bar="foo"></div>', | |
| 260 '<div></div>'); | |
| 261 }); | |
| 262 | |
| 263 group('allowTagExtension', () { | |
| 264 var validator = new NodeValidatorBuilder() | |
| 265 ..allowTagExtension( | |
| 266 'x-foo', | |
| 267 'div', | |
| 268 attributes: ['bar'], | |
| 269 uriAttributes: ['baz']) | |
| 270 ..allowHtml5(); | |
| 271 | |
| 272 testHtml('allows tag extensions', | |
| 273 validator, | |
| 274 '<div is="x-foo" bar="something" baz="/foo.jpg"></div>'); | |
| 275 | |
| 276 testHtml('blocks custom elements', | |
| 277 validator, | |
| 278 '<x-foo></x-foo>', | |
| 279 ''); | |
| 280 | |
| 281 testHtml('validates tag extension URIs', | |
| 282 validator, | |
| 283 '<div is="x-foo" baz="http://example.com/foo.jpg"></div>', | |
| 284 '<div is="x-foo"></div>'); | |
| 285 | |
| 286 testHtml('blocks tags on non-matching elements', | |
| 287 validator, | |
| 288 '<div bar="foo"></div>', | |
| 289 '<div></div>'); | |
| 290 | |
| 291 testHtml('blocks non-matching tags', | |
| 292 validator, | |
| 293 '<span is="x-foo">something</span>', | |
| 294 ''); | |
| 295 | |
| 296 validator = new NodeValidatorBuilder() | |
| 297 ..allowTagExtension( | |
| 298 'x-foo', | |
| 299 'div', | |
| 300 attributes: ['bar'], | |
| 301 uriAttributes: ['baz']) | |
| 302 ..allowTagExtension( | |
| 303 'x-else', | |
| 304 'div'); | |
| 305 | |
| 306 testHtml('blocks tags on non-matching custom elements', | |
| 307 validator, | |
| 308 '<div bar="foo" is="x-else"></div>', | |
| 309 '<div is="x-else"></div>'); | |
| 310 }); | |
| 311 | |
| 312 group('allowTemplating', () { | |
| 313 var validator = new NodeValidatorBuilder() | |
| 314 ..allowTemplating() | |
| 315 ..allowHtml5(); | |
| 316 | |
| 317 testHtml('allows templates', | |
| 318 validator, | |
| 319 '<template bind="{{a}}"></template>'); | |
| 320 | |
| 321 testHtml('allows template attributes', | |
| 322 validator, | |
| 323 '<template bind="{{a}}" ref="foo" repeat="{{}}" if="{{}}" syntax="foo"
></template>'); | |
| 324 | |
| 325 testHtml('allows template attribute', | |
| 326 validator, | |
| 327 '<div template repeat="{{}}"></div>'); | |
| 328 | |
| 329 testHtml('blocks illegal template attribute', | |
| 330 validator, | |
| 331 '<div template="foo" repeat="{{}}"></div>', | |
| 332 '<div></div>'); | |
| 333 }); | |
| 334 | |
| 335 group('allowSvg', () { | |
| 336 var validator = new NodeValidatorBuilder()..allowSvg(); | |
| 337 | |
| 338 testHtml('allows basic SVG', | |
| 339 validator, | |
| 340 '<svg xmlns="http://www.w3.org/2000/svg' | |
| 341 'xmlns:xlink="http://www.w3.org/1999/xlink">' | |
| 342 '<image xlink:href="foo" data-foo="bar"/>' | |
| 343 '</svg>'); | |
| 344 | |
| 345 testHtml('blocks script elements', | |
| 346 validator, | |
| 347 '<svg xmlns="http://www.w3.org/2000/svg>' | |
| 348 '<script></script>' | |
| 349 '</svg>', | |
| 350 '<svg xmlns="http://www.w3.org/2000/svg></svg>'); | |
| 351 | |
| 352 testHtml('blocks script handlers', | |
| 353 validator, | |
| 354 '<svg xmlns="http://www.w3.org/2000/svg' | |
| 355 'xmlns:xlink="http://www.w3.org/1999/xlink">' | |
| 356 '<image xlink:href="foo" onerror="something"/>' | |
| 357 '</svg>', | |
| 358 '<svg xmlns="http://www.w3.org/2000/svg' | |
| 359 'xmlns:xlink="http://www.w3.org/1999/xlink">' | |
| 360 '<image xlink:href="foo"/>' | |
| 361 '</svg>'); | |
| 362 | |
| 363 testHtml('blocks foreignObject content', | |
| 364 validator, | |
| 365 '<svg xmlns="http://www.w3.org/2000/svg>' | |
| 366 '<foreignobject width="100" height="150">' | |
| 367 '<body xmlns="http://www.w3.org/1999/xhtml">' | |
| 368 '<div>Some content</div>' | |
| 369 '</body>' | |
| 370 '</foreignobject>' | |
| 371 '</svg>', | |
| 372 '<svg xmlns="http://www.w3.org/2000/svg>' | |
| 373 '<foreignobject width="100" height="150"></foreignobject>' | |
| 374 '</svg>'); | |
| 375 }); | |
| 376 }); | |
| 377 | |
| 378 group('throws', () { | |
| 379 var validator = new NodeValidator.throws(new NodeValidatorBuilder.common()); | |
| 380 | |
| 381 var validationError = throwsArgumentError; | |
| 382 | |
| 383 test('does not throw on valid syntax', () { | |
| 384 expect(() { | |
| 385 document.body.createFragment('<div></div>', validator: validator); | |
| 386 }, returnsNormally); | |
| 387 }); | |
| 388 | |
| 389 test('throws on invalid elements', () { | |
| 390 expect(() { | |
| 391 document.body.createFragment('<foo></foo>', validator: validator); | |
| 392 }, validationError); | |
| 393 }); | |
| 394 | |
| 395 test('throws on invalid attributes', () { | |
| 396 expect(() { | |
| 397 document.body.createFragment('<div foo="bar"></div>', | |
| 398 validator: validator); | |
| 399 }, validationError); | |
| 400 }); | |
| 401 | |
| 402 test('throws on invalid attribute values', () { | |
| 403 expect(() { | |
| 404 document.body.createFragment('<img src="http://example.com/foo.jpg"/>', | |
| 405 validator: validator); | |
| 406 }, validationError); | |
| 407 }); | |
| 408 }); | |
| 409 | |
| 410 group('svg', () { | |
| 411 test('parsing', () { | |
| 412 var svgText = | |
| 413 '<svg xmlns="http://www.w3.org/2000/svg' | |
| 414 'xmlns:xlink="http://www.w3.org/1999/xlink">' | |
| 415 '<image xlink:href="foo" data-foo="bar"/>' | |
| 416 '</svg>'; | |
| 417 | |
| 418 var fragment = new DocumentFragment.svg(svgText); | |
| 419 var element = fragment.nodes.first; | |
| 420 expect(element is svg.SvgSvgElement, isTrue); | |
| 421 expect(element.children[0] is svg.ImageElement, isTrue); | |
| 422 }); | |
| 423 }); | |
| 424 } | |
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Chromium Code Reviews
Issue 23523002:
Revert "First rev of Safe DOM" (Closed)
Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart