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Unified Diff: tests/html/node_validator_test.dart

Issue 1080583003: Emphasize that the XSS tests should not be casually suppressed (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Review fixes Created 5 years, 8 months ago
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Index: tests/html/node_validator_test.dart
diff --git a/tests/html/node_validator_test.dart b/tests/html/node_validator_test.dart
deleted file mode 100644
index 46b2bebacce7352d0fbbc40121b74ccde8bf6b59..0000000000000000000000000000000000000000
--- a/tests/html/node_validator_test.dart
+++ /dev/null
@@ -1,515 +0,0 @@
-// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-library validator_test;
-
-import 'dart:html';
-import 'dart:svg' as svg;
-import 'package:unittest/unittest.dart';
-import 'package:unittest/html_individual_config.dart';
-import 'utils.dart';
-
-
-var nullSanitizer = new NullTreeSanitizer();
-
-void validateHtml(String html, String reference, NodeValidator validator) {
- var a = document.body.createFragment(html, validator: validator);
- var b = document.body.createFragment(reference,
- treeSanitizer: nullSanitizer);
-
- // Prevent a false pass when both the html and the reference both get entirely
- // deleted, which is technically a match, but unlikely to be what we meant.
- if (reference != '') {
- expect(b.childNodes.length > 0, isTrue);
- }
- validateNodeTree(a, b);
-}
-
-class RecordingUriValidator implements UriPolicy {
- final List<String> calls = <String>[];
-
- bool allowsUri(String uri) {
- calls.add('$uri');
- return false;
- }
-
- void reset() {
- calls.clear();
- }
-}
-
-void testHtml(String name, NodeValidator validator, String html,
- [String reference]) {
- test(name, () {
- if (reference == null) {
- reference = html;
- }
-
- validateHtml(html, reference, validator);
- });
-}
-
-main() {
- useHtmlIndividualConfiguration();
-
- group('DOM_sanitization', () {
- var validator = new NodeValidatorBuilder.common();
-
- testHtml('allows simple constructs',
- validator,
- '<div class="baz">something</div>');
-
- testHtml('blocks unknown attributes',
- validator,
- '<div foo="baz">something</div>',
- '<div>something</div>');
-
- testHtml('blocks custom element',
- validator,
- '<x-my-element>something</x-my-element>',
- '');
-
- testHtml('blocks custom is element',
- validator,
- '<div is="x-my-element">something</div>',
- '');
-
- testHtml('blocks body elements',
- validator,
- '<body background="s"></body>',
- '');
-
- testHtml('allows select elements',
- validator,
- '<select>'
- '<option>a</option>'
- '</select>');
-
- testHtml('blocks sequential script elements',
- validator,
- '<div><script></script><script></script></div>',
- '<div></div>');
-
- testHtml('blocks inline styles',
- validator,
- '<div style="background: red"></div>',
- '<div></div>');
-
- testHtml('blocks namespaced attributes',
- validator,
- '<div ns:foo="foo"></div>',
- '<div></div>');
-
- testHtml('blocks namespaced common attributes',
- validator,
- '<div ns:class="foo"></div>',
- '<div></div>');
-
- testHtml('blocks namespaced common elements',
- validator,
- '<ns:div></ns:div>',
- '');
-
- testHtml('allows CDATA sections',
- validator,
- '<span>![CDATA[ some text ]]></span>');
-
- test('sanitizes template contents', () {
- if (!TemplateElement.supported) return;
-
- var html = '<template>'
- '<div></div>'
- '<script></script>'
- '<img src="http://example.com/foo"/>'
- '</template>';
-
- var fragment = document.body.createFragment(html, validator: validator);
- var template = fragment.nodes.single;
-
- var expectedContent = document.body.createFragment(
- '<div></div>'
- '<img/>');
-
- validateNodeTree(template.content, expectedContent);
- });
- });
-
- group('URI_sanitization', () {
- var recorder = new RecordingUriValidator();
- var validator = new NodeValidatorBuilder()..allowHtml5(uriPolicy: recorder);
-
- checkUriPolicyCalls(String name, String html, String reference,
- List<String> expectedCalls) {
-
- test(name, () {
- recorder.reset();
-
- validateHtml(html, reference, validator);
- expect(recorder.calls, expectedCalls);
- });
- }
-
- checkUriPolicyCalls('a::href',
- '<a href="s"></a>',
- '<a></a>',
- ['s']);
-
- checkUriPolicyCalls('area::href',
- '<area href="s"></area>',
- '<area></area>',
- ['s']);
-
- checkUriPolicyCalls('blockquote::cite',
- '<blockquote cite="s"></blockquote>',
- '<blockquote></blockquote>',
- ['s']);
- checkUriPolicyCalls('command::icon',
- '<command icon="s"/>',
- '<command/>',
- ['s']);
- checkUriPolicyCalls('img::src',
- '<img src="s"/>',
- '<img/>',
- ['s']);
- checkUriPolicyCalls('input::src',
- '<input src="s"/>',
- '<input/>',
- ['s']);
- checkUriPolicyCalls('ins::cite',
- '<ins cite="s"></ins>',
- '<ins></ins>',
- ['s']);
- checkUriPolicyCalls('q::cite',
- '<q cite="s"></q>',
- '<q></q>',
- ['s']);
- checkUriPolicyCalls('video::poster',
- '<video poster="s"/>',
- '<video/>',
- ['s']);
- });
-
- group('allowNavigation', () {
- var validator = new NodeValidatorBuilder()..allowNavigation();
-
- testHtml('allows anchor tags',
- validator,
- '<a href="#foo">foo</a>');
-
- testHtml('allows form elements',
- validator,
- '<form method="post" action="/foo"></form>');
-
- testHtml('disallows script navigation',
- validator,
- '<a href="javascript:foo = 1">foo</a>',
- '<a>foo</a>');
-
- testHtml('disallows cross-site navigation',
- validator,
- '<a href="http://example.com">example.com</a>',
- '<a>example.com</a>');
-
- testHtml('blocks other elements',
- validator,
- '<a href="#foo"><b>foo</b></a>',
- '<a href="#foo"></a>');
-
- testHtml('blocks tag extension',
- validator,
- '<a is="x-foo"></a>',
- '');
- });
-
- group('allowImages', () {
- var validator = new NodeValidatorBuilder()..allowImages();
-
- testHtml('allows images',
- validator,
- '<img src="/foo.jpg" alt="something" width="100" height="100"/>');
-
- testHtml('blocks onerror',
- validator,
- '<img src="/foo.jpg" onerror="something"/>',
- '<img src="/foo.jpg"/>');
-
- testHtml('enforces same-origin',
- validator,
- '<img src="http://example.com/foo.jpg"/>',
- '<img/>');
- });
-
- group('allowCustomElement', () {
- var validator = new NodeValidatorBuilder()
- ..allowCustomElement(
- 'x-foo',
- attributes: ['bar'],
- uriAttributes: ['baz'])
- ..allowHtml5();
-
- testHtml('allows custom elements',
- validator,
- '<x-foo bar="something" baz="/foo.jpg"></x-foo>');
-
-
- testHtml('validates custom tag URIs',
- validator,
- '<x-foo baz="http://example.com/foo.jpg"></x-foo>',
- '<x-foo></x-foo>');
-
- testHtml('blocks type extensions',
- validator,
- '<div is="x-foo"></div>',
- '');
-
- testHtml('blocks tags on non-matching elements',
- validator,
- '<div bar="foo"></div>',
- '<div></div>');
- });
-
- group('allowTagExtension', () {
- var validator = new NodeValidatorBuilder()
- ..allowTagExtension(
- 'x-foo',
- 'div',
- attributes: ['bar'],
- uriAttributes: ['baz'])
- ..allowHtml5();
-
- testHtml('allows tag extensions',
- validator,
- '<div is="x-foo" bar="something" baz="/foo.jpg"></div>');
-
- testHtml('blocks custom elements',
- validator,
- '<x-foo></x-foo>',
- '');
-
- testHtml('validates tag extension URIs',
- validator,
- '<div is="x-foo" baz="http://example.com/foo.jpg"></div>',
- '<div is="x-foo"></div>');
-
- testHtml('blocks tags on non-matching elements',
- validator,
- '<div bar="foo"></div>',
- '<div></div>');
-
- testHtml('blocks non-matching tags',
- validator,
- '<span is="x-foo">something</span>',
- '');
-
- validator = new NodeValidatorBuilder()
- ..allowTagExtension(
- 'x-foo',
- 'div',
- attributes: ['bar'],
- uriAttributes: ['baz'])
- ..allowTagExtension(
- 'x-else',
- 'div');
-
- testHtml('blocks tags on non-matching custom elements',
- validator,
- '<div bar="foo" is="x-else"></div>',
- '<div is="x-else"></div>');
- });
-
- group('allowTemplating', () {
- var validator = new NodeValidatorBuilder()
- ..allowTemplating()
- ..allowHtml5();
-
- testHtml('allows templates',
- validator,
- '<template bind="{{a}}"></template>');
-
- testHtml('allows template attributes',
- validator,
- '<template bind="{{a}}" ref="foo" repeat="{{}}" if="{{}}" syntax="foo"></template>');
-
- testHtml('allows template attribute',
- validator,
- '<div template repeat="{{}}"></div>');
-
- testHtml('blocks illegal template attribute',
- validator,
- '<div template="foo" repeat="{{}}"></div>',
- '<div></div>');
- });
-
- group('allowSvg', () {
- var validator = new NodeValidatorBuilder()
- ..allowSvg()
- ..allowTextElements();
-
- testHtml('allows basic SVG',
- validator,
- '<svg xmlns="http://www.w3.org/2000/svg'
- 'xmlns:xlink="http://www.w3.org/1999/xlink">'
- '<image xlink:href="foo" data-foo="bar"/>'
- '</svg>');
-
- testHtml('blocks script elements',
- validator,
- '<svg xmlns="http://www.w3.org/2000/svg>'
- '<script></script>'
- '</svg>',
- '');
-
- testHtml('blocks script elements but allows other',
- validator,
- '<svg xmlns="http://www.w3.org/2000/svg>'
- '<script></script><ellipse cx="200" cy="80" rx="100" ry="50"></ellipse>'
- '</svg>',
- '<svg xmlns="http://www.w3.org/2000/svg>'
- '<ellipse cx="200" cy="80" rx="100" ry="50"></ellipse>'
- '</svg>');
-
- testHtml('blocks script handlers',
- validator,
- '<svg xmlns="http://www.w3.org/2000/svg'
- 'xmlns:xlink="http://www.w3.org/1999/xlink">'
- '<image xlink:href="foo" onerror="something"/>'
- '</svg>',
- '<svg xmlns="http://www.w3.org/2000/svg'
- 'xmlns:xlink="http://www.w3.org/1999/xlink">'
- '<image xlink:href="foo"/>'
- '</svg>');
-
- testHtml('blocks foreignObject content',
- validator,
- '<svg xmlns="http://www.w3.org/2000/svg">'
- '<foreignobject width="100" height="150">'
- '<body xmlns="http://www.w3.org/1999/xhtml">'
- '<div>Some content</div>'
- '</body>'
- '</foreignobject>'
- '<b>42</b>'
- '</svg>',
- '<svg xmlns="http://www.w3.org/2000/svg">'
- '<b>42</b>'
- '</svg>');
- });
-
- group('allowInlineStyles', () {
- var validator = new NodeValidatorBuilder()
- ..allowTextElements()
- ..allowInlineStyles();
-
- testHtml('allows inline styles',
- validator,
- '<span style="background-color:red">text</span>');
-
- testHtml('blocks other attributes',
- validator,
- '<span class="red-span"></span>',
- '<span></span>');
-
- validator = new NodeValidatorBuilder()
- ..allowTextElements()
- ..allowInlineStyles(tagName: 'span');
-
- testHtml('scoped allows inline styles on spans',
- validator,
- '<span style="background-color:red">text</span>');
-
- testHtml('scoped blocks inline styles on LIs',
- validator,
- '<li style="background-color:red">text</li>',
- '<li>text</li>');
- });
-
- group('throws', () {
- var validator = new NodeValidator.throws(new NodeValidatorBuilder.common());
-
- var validationError = throwsArgumentError;
-
- test('does not throw on valid syntax', () {
- expect(() {
- document.body.createFragment('<div></div>', validator: validator);
- }, returnsNormally);
- });
-
- test('throws on invalid elements', () {
- expect(() {
- document.body.createFragment('<foo></foo>', validator: validator);
- }, validationError);
- });
-
- test('throws on invalid attributes', () {
- expect(() {
- document.body.createFragment('<div foo="bar"></div>',
- validator: validator);
- }, validationError);
- });
-
- test('throws on invalid attribute values', () {
- expect(() {
- document.body.createFragment('<img src="http://example.com/foo.jpg"/>',
- validator: validator);
- }, validationError);
- });
- });
-
- group('svg', () {
- test('parsing', () {
- var svgText =
- '<svg xmlns="http://www.w3.org/2000/svg'
- 'xmlns:xlink="http://www.w3.org/1999/xlink">'
- '<image xlink:href="foo" data-foo="bar"/>'
- '</svg>';
-
- var fragment = new DocumentFragment.svg(svgText);
- var element = fragment.nodes.first;
- expect(element is svg.SvgSvgElement, isTrue);
- expect(element.children[0] is svg.ImageElement, isTrue);
- });
- });
-
- group('dom_clobbering', () {
- var validator = new NodeValidatorBuilder.common();
-
- testHtml('DOM clobbering of attributes with single node',
- validator,
- "<form onmouseover='alert(1)'><input name='attributes'>",
- "");
-
- testHtml('DOM clobbering of attributes with multiple nodes',
- validator,
- "<form onmouseover='alert(1)'><input name='attributes'>"
- "<input name='attributes'>",
- "");
-
- testHtml('DOM clobbering of lastChild',
- validator,
- "<form><input name='lastChild'><input onmouseover='alert(1)'>",
- "");
-
- testHtml('DOM clobbering of both children and lastChild',
- validator,
- "<form><input name='lastChild'><input name='children'>"
- "<input id='children'><input onmouseover='alert(1)'>",
- "");
-
- testHtml('DOM clobbering of both children and lastChild, different order',
- validator,
- "<form><input name='children'><input name='children'>"
- "<input id='children' name='lastChild'>"
- "<input id='bad' onmouseover='alert(1)'>",
- "");
-
- testHtml('tagName makes containing form invalid',
- validator,
- "<form onmouseover='alert(2)'><input name='tagName'>",
- "");
-
- testHtml('tagName without mouseover',
- validator,
- "<form><input name='tagName'>",
- "");
- });
-}
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