mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-11-18 07:12:20 +00:00
8af96f585f
Regression: https://github.com/go-gitea/gitea/pull/24805 Closes: #25945 - Disallow `javascript`, `vbscript` and `data` (data uri images still work) url schemes even if all other schemes are allowed - Fixed older `cbthunderlink` tests --------- Co-authored-by: delvh <dev.lh@web.de>
78 lines
4 KiB
Go
78 lines
4 KiB
Go
// Copyright 2017 The Gitea Authors. All rights reserved.
|
|
// Copyright 2017 The Gogs Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package markup
|
|
|
|
import (
|
|
"html/template"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
func Test_Sanitizer(t *testing.T) {
|
|
NewSanitizer()
|
|
testCases := []string{
|
|
// Regular
|
|
`<a onblur="alert(secret)" href="http://www.google.com">Google</a>`, `<a href="http://www.google.com" rel="nofollow">Google</a>`,
|
|
|
|
// 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 ui tab active menu attached animating sidebar following bar center"></code>`, `<code></code>`,
|
|
`<code class="language-lol ui tab active menu attached animating sidebar following bar center">
|
|
<code class="language-lol ui container input huge basic segment center"> </code>
|
|
<img src="https://try.gogs.io/img/favicon.png" width="200" height="200">
|
|
<code class="language-lol ui container input massive basic segment">Hello there! Something has gone wrong, we are working on it.</code>
|
|
<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>
|
|
</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>`,
|
|
|
|
// 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]))
|
|
}
|
|
}
|
|
|
|
func TestSanitizeNonEscape(t *testing.T) {
|
|
descStr := "<scrİpt><script>alert(document.domain)</script></scrİpt>"
|
|
|
|
output := template.HTML(Sanitize(descStr))
|
|
if strings.Contains(string(output), "<script>") {
|
|
t.Errorf("un-escaped <script> in output: %q", output)
|
|
}
|
|
}
|