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Split sanitizer functions and fine-tune some tests (#31192)

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wxiaoguang 2024-05-31 21:26:01 +08:00 • committed by GitHub
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modules/markup/sanitizer_default_test.go Normal file
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// Copyright 2017 The Gitea Authors. All rights reserved.
// Copyright 2017 The Gogs Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package markup
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestSanitizer(t *testing.T) {
testCases := []string{
// Regular
`<a onblur="alert(secret)" href="http://www.google.com">Google</a>`, `<a href="http://www.google.com" rel="nofollow">Google</a>`,
"<scrİpt>&lt;script&gt;alert(document.domain)&lt;/script&gt;</scrİpt>", "&lt;script&gt;alert(document.domain)&lt;/script&gt;",
// Code highlighting class
`<code class="random string"></code>`, `<code></code>`,
`<code class="language-random ui tab active menu attached animating sidebar following bar center"></code>`, `<code></code>`,
`<code class="language-go"></code>`, `<code class="language-go"></code>`,
// Input checkbox
`<input type="hidden">`, ``,
`<input type="checkbox">`, `<input type="checkbox">`,
`<input checked disabled autofocus>`, `<input checked="" disabled="">`,
// Code highlight injection
`<code class="language-random&#32;ui&#32;tab&#32;active&#32;menu&#32;attached&#32;animating&#32;sidebar&#32;following&#32;bar&#32;center"></code>`, `<code></code>`,
`<code class="language-lol&#32;ui&#32;tab&#32;active&#32;menu&#32;attached&#32;animating&#32;sidebar&#32;following&#32;bar&#32;center">
<code class="language-lol&#32;ui&#32;container&#32;input&#32;huge&#32;basic&#32;segment&#32;center">&nbsp;</code>
<img src="https://try.gogs.io/img/favicon.png" width="200" height="200">
<code class="language-lol&#32;ui&#32;container&#32;input&#32;massive&#32;basic&#32;segment">Hello there! Something has gone wrong, we are working on it.</code>
<code class="language-lol&#32;ui&#32;container&#32;input&#32;huge&#32;basic&#32;segment">In the meantime, play a game with us at&nbsp;<a href="http://example.com/">example.com</a>.</code>
</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>",
// <kbd> tags
`<kbd>Ctrl + C</kbd>`, `<kbd>Ctrl + C</kbd>`,
`<i class="dropdown icon">NAUGHTY</i>`, `<i>NAUGHTY</i>`,
`<i class="icon dropdown"></i>`, `<i class="icon dropdown"></i>`,
`<input type="checkbox" disabled=""/>unchecked`, `<input type="checkbox" disabled=""/>unchecked`,
`<span class="emoji dropdown">NAUGHTY</span>`, `<span>NAUGHTY</span>`,
`<span class="emoji">contents</span>`, `<span class="emoji">contents</span>`,
// Color property
`<span style="color: red">Hello World</span>`, `<span style="color: red">Hello World</span>`,
`<p style="color: red">Hello World</p>`, `<p style="color: red">Hello World</p>`,
`<code style="color: red">Hello World</code>`, `<code>Hello World</code>`,
`<span style="bad-color: red">Hello World</span>`, `<span>Hello World</span>`,
`<p style="bad-color: red">Hello World</p>`, `<p>Hello World</p>`,
`<code style="bad-color: red">Hello World</code>`, `<code>Hello World</code>`,
// Org mode status of list items.
`<li class="checked"></li>`, `<li class="checked"></li>`,
`<li class="unchecked"></li>`, `<li class="unchecked"></li>`,
`<li class="indeterminate"></li>`, `<li class="indeterminate"></li>`,
// URLs
`<a href="cbthunderlink://somebase64string)">my custom URL scheme</a>`, `<a href="cbthunderlink://somebase64string)" rel="nofollow">my custom URL scheme</a>`,
`<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>`,
// Disallow dangerous url schemes
`<a href="javascript:alert('xss')">bad</a>`, `bad`,
`<a href="vbscript:no">bad</a>`, `bad`,
`<a href="data:1234">bad</a>`, `bad`,
}
for i := 0; i < len(testCases); i += 2 {
assert.Equal(t, testCases[i+1], Sanitize(testCases[i]))
}
}