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	Remove unmaintainable sanitizer rules. No need to add special "class" regexp rules anymore, use RenderInternal.SafeAttr instead, more details (and examples) are in the tests
		
			
				
	
	
		
			70 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			70 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // 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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| 
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| package markup
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| 
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| import (
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| 	"testing"
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| 
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| 	"github.com/stretchr/testify/assert"
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| )
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 	}
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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], Sanitize(testCases[i]))
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| 	}
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| }
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