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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 |
| 110 group('URI sanitization', () { |
| 111 var recorder = new RecordingUriValidator(); |
| 112 var validator = new NodeValidatorBuilder()..allowHtml5(uriPolicy: recorder); |
| 113 |
| 114 checkUriPolicyCalls(String name, String html, String reference, |
| 115 List<String> expectedCalls) { |
| 116 |
| 117 test(name, () { |
| 118 recorder.reset(); |
| 119 |
| 120 validateHtml(html, reference, validator); |
| 121 expect(recorder.calls, expectedCalls); |
| 122 }); |
| 123 } |
| 124 |
| 125 checkUriPolicyCalls('a::href', |
| 126 '<a href="s"></a>', |
| 127 '<a></a>', |
| 128 ['s']); |
| 129 |
| 130 checkUriPolicyCalls('area::href', |
| 131 '<area href="s"></area>', |
| 132 '<area></area>', |
| 133 ['s']); |
| 134 |
| 135 checkUriPolicyCalls('blockquote::cite', |
| 136 '<blockquote cite="s"></blockquote>', |
| 137 '<blockquote></blockquote>', |
| 138 ['s']); |
| 139 checkUriPolicyCalls('command::icon', |
| 140 '<command icon="s"/>', |
| 141 '<command/>', |
| 142 ['s']); |
| 143 checkUriPolicyCalls('img::src', |
| 144 '<img src="s"/>', |
| 145 '<img/>', |
| 146 ['s']); |
| 147 checkUriPolicyCalls('input::src', |
| 148 '<input src="s"/>', |
| 149 '<input/>', |
| 150 ['s']); |
| 151 checkUriPolicyCalls('ins::cite', |
| 152 '<ins cite="s"></ins>', |
| 153 '<ins></ins>', |
| 154 ['s']); |
| 155 checkUriPolicyCalls('q::cite', |
| 156 '<q cite="s"></q>', |
| 157 '<q></q>', |
| 158 ['s']); |
| 159 checkUriPolicyCalls('video::poster', |
| 160 '<video poster="s"/>', |
| 161 '<video/>', |
| 162 ['s']); |
| 163 }); |
| 164 |
| 165 group('NodeValidationPolicy', () { |
| 166 |
| 167 group('allowNavigation', () { |
| 168 var validator = new NodeValidatorBuilder()..allowNavigation(); |
| 169 |
| 170 testHtml('allows anchor tags', |
| 171 validator, |
| 172 '<a href="#foo">foo</a>'); |
| 173 |
| 174 testHtml('allows form elements', |
| 175 validator, |
| 176 '<form method="post" action="/foo"></form>'); |
| 177 |
| 178 testHtml('disallows script navigation', |
| 179 validator, |
| 180 '<a href="javascript:foo = 1">foo</a>', |
| 181 '<a>foo</a>'); |
| 182 |
| 183 testHtml('disallows cross-site navigation', |
| 184 validator, |
| 185 '<a href="http://example.com">example.com</a>', |
| 186 '<a>example.com</a>'); |
| 187 |
| 188 testHtml('blocks other elements', |
| 189 validator, |
| 190 '<a href="#foo"><b>foo</b></a>', |
| 191 '<a href="#foo"></a>'); |
| 192 |
| 193 testHtml('blocks tag extension', |
| 194 validator, |
| 195 '<a is="x-foo"></a>', |
| 196 ''); |
| 197 }); |
| 198 |
| 199 group('allowImages', () { |
| 200 var validator = new NodeValidatorBuilder()..allowImages(); |
| 201 |
| 202 testHtml('allows images', |
| 203 validator, |
| 204 '<img src="/foo.jpg" alt="something" width="100" height="100"/>'); |
| 205 |
| 206 testHtml('blocks onerror', |
| 207 validator, |
| 208 '<img src="/foo.jpg" onerror="something"/>', |
| 209 '<img src="/foo.jpg"/>'); |
| 210 |
| 211 testHtml('enforces same-origin', |
| 212 validator, |
| 213 '<img src="http://example.com/foo.jpg"/>', |
| 214 '<img/>'); |
| 215 }); |
| 216 |
| 217 group('allowCustomElement', () { |
| 218 var validator = new NodeValidatorBuilder() |
| 219 ..allowCustomElement( |
| 220 'x-foo', |
| 221 attributes: ['bar'], |
| 222 uriAttributes: ['baz']) |
| 223 ..allowHtml5(); |
| 224 |
| 225 testHtml('allows custom elements', |
| 226 validator, |
| 227 '<x-foo bar="something" baz="/foo.jpg"></x-foo>'); |
| 228 |
| 229 |
| 230 testHtml('validates custom tag URIs', |
| 231 validator, |
| 232 '<x-foo baz="http://example.com/foo.jpg"></x-foo>', |
| 233 '<x-foo></x-foo>'); |
| 234 |
| 235 testHtml('blocks type extensions', |
| 236 validator, |
| 237 '<div is="x-foo"></div>', |
| 238 ''); |
| 239 |
| 240 testHtml('blocks tags on non-matching elements', |
| 241 validator, |
| 242 '<div bar="foo"></div>', |
| 243 '<div></div>'); |
| 244 }); |
| 245 |
| 246 group('allowTagExtension', () { |
| 247 var validator = new NodeValidatorBuilder() |
| 248 ..allowTagExtension( |
| 249 'x-foo', |
| 250 'div', |
| 251 attributes: ['bar'], |
| 252 uriAttributes: ['baz']) |
| 253 ..allowHtml5(); |
| 254 |
| 255 testHtml('allows tag extensions', |
| 256 validator, |
| 257 '<div is="x-foo" bar="something" baz="/foo.jpg"></div>'); |
| 258 |
| 259 testHtml('blocks custom elements', |
| 260 validator, |
| 261 '<x-foo></x-foo>', |
| 262 ''); |
| 263 |
| 264 testHtml('validates tag extension URIs', |
| 265 validator, |
| 266 '<div is="x-foo" baz="http://example.com/foo.jpg"></div>', |
| 267 '<div is="x-foo"></div>'); |
| 268 |
| 269 testHtml('blocks tags on non-matching elements', |
| 270 validator, |
| 271 '<div bar="foo"></div>', |
| 272 '<div></div>'); |
| 273 |
| 274 testHtml('blocks non-matching tags', |
| 275 validator, |
| 276 '<span is="x-foo">something</span>', |
| 277 ''); |
| 278 |
| 279 validator = new NodeValidatorBuilder() |
| 280 ..allowTagExtension( |
| 281 'x-foo', |
| 282 'div', |
| 283 attributes: ['bar'], |
| 284 uriAttributes: ['baz']) |
| 285 ..allowTagExtension( |
| 286 'x-else', |
| 287 'div'); |
| 288 |
| 289 testHtml('blocks tags on non-matching custom elements', |
| 290 validator, |
| 291 '<div bar="foo" is="x-else"></div>', |
| 292 '<div is="x-else"></div>'); |
| 293 }); |
| 294 |
| 295 group('allowTemplating', () { |
| 296 var validator = new NodeValidatorBuilder() |
| 297 ..allowTemplating() |
| 298 ..allowHtml5(); |
| 299 |
| 300 testHtml('allows templates', |
| 301 validator, |
| 302 '<template bind="{{a}}"></template>'); |
| 303 |
| 304 testHtml('allows template attributes', |
| 305 validator, |
| 306 '<template bind="{{a}}" ref="foo" repeat="{{}}" if="{{}}" syntax="foo"
></template>'); |
| 307 |
| 308 testHtml('allows template attribute', |
| 309 validator, |
| 310 '<div template repeat="{{}}"></div>'); |
| 311 |
| 312 testHtml('blocks illegal template attribute', |
| 313 validator, |
| 314 '<div template="foo" repeat="{{}}"></div>', |
| 315 '<div></div>'); |
| 316 }); |
| 317 |
| 318 group('allowSvg', () { |
| 319 var validator = new NodeValidatorBuilder()..allowSvg(); |
| 320 |
| 321 testHtml('allows basic SVG', |
| 322 validator, |
| 323 '<svg xmlns="http://www.w3.org/2000/svg' |
| 324 'xmlns:xlink="http://www.w3.org/1999/xlink">' |
| 325 '<image xlink:href="foo" data-foo="bar"/>' |
| 326 '</svg>'); |
| 327 |
| 328 testHtml('blocks script elements', |
| 329 validator, |
| 330 '<svg xmlns="http://www.w3.org/2000/svg>' |
| 331 '<script></script>' |
| 332 '</svg>', |
| 333 '<svg xmlns="http://www.w3.org/2000/svg></svg>'); |
| 334 |
| 335 testHtml('blocks script handlers', |
| 336 validator, |
| 337 '<svg xmlns="http://www.w3.org/2000/svg' |
| 338 'xmlns:xlink="http://www.w3.org/1999/xlink">' |
| 339 '<image xlink:href="foo" onerror="something"/>' |
| 340 '</svg>', |
| 341 '<svg xmlns="http://www.w3.org/2000/svg' |
| 342 'xmlns:xlink="http://www.w3.org/1999/xlink">' |
| 343 '<image xlink:href="foo"/>' |
| 344 '</svg>'); |
| 345 |
| 346 testHtml('blocks foreignObject content', |
| 347 validator, |
| 348 '<svg xmlns="http://www.w3.org/2000/svg>' |
| 349 '<foreignobject width="100" height="150">' |
| 350 '<body xmlns="http://www.w3.org/1999/xhtml">' |
| 351 '<div>Some content</div>' |
| 352 '</body>' |
| 353 '</foreignobject>' |
| 354 '</svg>', |
| 355 '<svg xmlns="http://www.w3.org/2000/svg>' |
| 356 '<foreignobject width="100" height="150"></foreignobject>' |
| 357 '</svg>'); |
| 358 }); |
| 359 }); |
| 360 |
| 361 group('svg', () { |
| 362 test('parsing', () { |
| 363 var svgText = |
| 364 '<svg xmlns="http://www.w3.org/2000/svg' |
| 365 'xmlns:xlink="http://www.w3.org/1999/xlink">' |
| 366 '<image xlink:href="foo" data-foo="bar"/>' |
| 367 '</svg>'; |
| 368 |
| 369 var fragment = new DocumentFragment.svg(svgText); |
| 370 var element = fragment.nodes.first; |
| 371 expect(element is svg.SvgSvgElement, isTrue); |
| 372 expect(element.children[0] is svg.ImageElement, isTrue); |
| 373 }); |
| 374 }); |
| 375 } |
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Chromium Code Reviews
Issue 16374007:
First rev of Safe DOM (Closed)
Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart