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74 lines
4.3 KiB
74 lines
4.3 KiB
// Copyright 2017 The Gitea Authors. All rights reserved. |
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// Copyright 2017 The Gogs Authors. All rights reserved. |
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// SPDX-License-Identifier: MIT |
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package markup |
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import ( |
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"testing" |
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"github.com/stretchr/testify/assert" |
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) |
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func TestSanitizer(t *testing.T) { |
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testCases := []string{ |
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// Regular |
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`<a onblur="alert(secret)" href="http://www.google.com">Google</a>`, `<a href="http://www.google.com" rel="nofollow">Google</a>`, |
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"<scrİpt><script>alert(document.domain)</script></scrİpt>", "<script>alert(document.domain)</script>", |
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// Code highlighting class |
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`<code class="random string"></code>`, `<code></code>`, |
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`<code class="language-random ui tab active menu attached animating sidebar following bar center"></code>`, `<code></code>`, |
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`<span class="k"></span><span class="nb"></span>`, `<span class="k"></span><span class="nb"></span>`, |
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// Input checkbox |
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`<input type="hidden">`, ``, |
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`<input type="checkbox">`, `<input type="checkbox">`, |
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`<input checked disabled autofocus>`, `<input checked="" disabled="">`, |
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// Code highlight injection |
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`<code class="language-random ui tab active menu attached animating sidebar following bar center"></code>`, `<code></code>`, |
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`<code class="language-lol ui tab active menu attached animating sidebar following bar center"> |
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<code class="language-lol ui container input huge basic segment center"> </code> |
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<img src="https://try.gogs.io/img/favicon.png" width="200" height="200"> |
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<code class="language-lol ui container input massive basic segment">Hello there! Something has gone wrong, we are working on it.</code> |
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<code class="language-lol ui container input huge basic segment">In the meantime, play a game with us at <a href="http://example.com/">example.com</a>.</code> |
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</code>`, "<code>\n<code>\u00a0</code>\n<img src=\"https://try.gogs.io/img/favicon.png\" width=\"200\" height=\"200\">\n<code>Hello there! Something has gone wrong, we are working on it.</code>\n<code>In the meantime, play a game with us at\u00a0<a href=\"http://example.com/\" rel=\"nofollow\">example.com</a>.</code>\n</code>", |
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// <kbd> tags |
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`<kbd>Ctrl + C</kbd>`, `<kbd>Ctrl + C</kbd>`, |
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`<i class="dropdown icon">NAUGHTY</i>`, `<i>NAUGHTY</i>`, |
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`<input type="checkbox" disabled=""/>unchecked`, `<input type="checkbox" disabled=""/>unchecked`, |
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`<span class="emoji dropdown">NAUGHTY</span>`, `<span>NAUGHTY</span>`, |
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// Color property |
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`<span style="color: red">Hello World</span>`, `<span style="color: red">Hello World</span>`, |
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`<p style="color: red">Hello World</p>`, `<p style="color: red">Hello World</p>`, |
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`<code style="color: red">Hello World</code>`, `<code>Hello World</code>`, |
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`<span style="bad-color: red">Hello World</span>`, `<span>Hello World</span>`, |
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`<p style="bad-color: red">Hello World</p>`, `<p>Hello World</p>`, |
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`<code style="bad-color: red">Hello World</code>`, `<code>Hello World</code>`, |
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// Org mode status of list items. |
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`<li class="checked"></li>`, `<li class="checked"></li>`, |
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`<li class="unchecked"></li>`, `<li class="unchecked"></li>`, |
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`<li class="indeterminate"></li>`, `<li class="indeterminate"></li>`, |
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// URLs |
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`<a href="cbthunderlink://somebase64string)">my custom URL scheme</a>`, `<a href="cbthunderlink://somebase64string)" rel="nofollow">my custom URL scheme</a>`, |
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`<a href="matrix:roomid/psumPMeAfzgAeQpXMG:feneas.org?action=join">my custom URL scheme</a>`, `<a href="matrix:roomid/psumPMeAfzgAeQpXMG:feneas.org?action=join" rel="nofollow">my custom URL scheme</a>`, |
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// Disallow dangerous url schemes |
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`<a href="javascript:alert('xss')">bad</a>`, `bad`, |
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`<a href="vbscript:no">bad</a>`, `bad`, |
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`<a href="data:1234">bad</a>`, `bad`, |
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// Some classes and attributes are used by the frontend framework and will execute JS code, so make sure they are removed |
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`<div class="link-action" data-attr-class="foo" data-url="xxx">txt</div>`, `<div data-attr-class="foo">txt</div>`, |
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`<div class="form-fetch-action" data-markdown-generated-content="bar" data-global-init="a" data-global-click="b">txt</div>`, `<div data-markdown-generated-content="bar">txt</div>`, |
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} |
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for i := 0; i < len(testCases); i += 2 { |
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assert.Equal(t, testCases[i+1], string(Sanitize(testCases[i]))) |
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} |
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}
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