| 1 | package main
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| 2 |
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| 3 | import (
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| 4 | "bytes"
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| 5 | "net/url"
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| 6 | "testing"
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| 7 | )
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| 8 |
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| 9 | type AttrTestCase struct {
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| 10 | AttrName []byte
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| 11 | AttrValue []byte
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| 12 | ExpectedOutput []byte
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| 13 | }
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| 14 |
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| 15 | var attrTestData []*AttrTestCase = []*AttrTestCase{
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| 16 | &AttrTestCase{
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| 17 | []byte("href"),
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| 18 | []byte("./x"),
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| 19 | []byte(` href="./?mortyurl=http%3A%2F%2F127.0.0.1%2Fx"`),
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| 20 | },
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| 21 | &AttrTestCase{
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| 22 | []byte("src"),
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| 23 | []byte("http://x.com/y"),
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| 24 | []byte(` src="./?mortyurl=http%3A%2F%2Fx.com%2Fy"`),
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| 25 | },
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| 26 | &AttrTestCase{
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| 27 | []byte("action"),
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| 28 | []byte("/z"),
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| 29 | []byte(` action="./?mortyurl=http%3A%2F%2F127.0.0.1%2Fz"`),
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| 30 | },
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| 31 | &AttrTestCase{
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| 32 | []byte("onclick"),
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| 33 | []byte("console.log(document.cookies)"),
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| 34 | nil,
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| 35 | },
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| 36 | }
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| 37 |
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| 38 | func TestAttrSanitizer(t *testing.T) {
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| 39 | u, _ := url.Parse("http://127.0.0.1/")
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| 40 | rc := &RequestConfig{BaseURL: u}
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| 41 | for _, testCase := range attrTestData {
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| 42 | out := bytes.NewBuffer(nil)
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| 43 | sanitizeAttr(rc, out, testCase.AttrName, testCase.AttrValue, testCase.AttrValue)
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| 44 | res, _ := out.ReadBytes(byte(0))
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| 45 | if !bytes.Equal(res, testCase.ExpectedOutput) {
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| 46 | t.Errorf(
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| 47 | `Attribute parse error. Name: "%s", Value: "%s", Expected: %s, Got: %s`,
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| 48 | testCase.AttrName,
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| 49 | testCase.AttrValue,
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| 50 | testCase.ExpectedOutput,
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| 51 | res,
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| 52 | )
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| 53 | }
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| 54 | }
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| 55 | }
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| 56 |
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| 57 | var BENCH_SIMPLE_HTML []byte = []byte(`<!doctype html>
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| 58 | <html>
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| 59 | <head>
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| 60 | <title>test</title>
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| 61 | </head>
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| 62 | <body>
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| 63 | <h1>Test heading</h1>
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| 64 | </body>
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| 65 | </html>`)
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| 66 |
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| 67 | func BenchmarkSanitizeSimpleHTML(b *testing.B) {
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| 68 | u, _ := url.Parse("http://127.0.0.1/")
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| 69 | rc := &RequestConfig{BaseURL: u}
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| 70 | b.ResetTimer()
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| 71 | for i := 0; i < b.N; i++ {
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| 72 | out := bytes.NewBuffer(nil)
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| 73 | sanitizeHTML(rc, out, BENCH_SIMPLE_HTML)
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| 74 | }
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| 75 | }
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| 76 |
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| 77 | var BENCH_COMPLEX_HTML []byte = []byte(`<!doctype html>
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| 78 | <html>
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| 79 | <head>
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| 80 | <noscript><meta http-equiv="refresh" content="0; URL=./xy"></noscript>
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| 81 | <title>test 2</title>
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| 82 | <script> alert('xy'); </script>
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| 83 | <link rel="stylesheet" href="./core.bundle.css">
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| 84 | <style>
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| 85 | html { background: url(./a.jpg); }
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| 86 | </style
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| 87 | </head>
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| 88 | <body>
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| 89 | <h1>Test heading</h1>
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| 90 | <img src="b.png" alt="imgtitle" />
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| 91 | <form action="/z">
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| 92 | <input type="submit" style="background: url(http://aa.bb/cc)" >
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| 93 | </form>
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| 94 | </body>
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| 95 | </html>`)
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| 96 |
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| 97 | func BenchmarkSanitizeComplexHTML(b *testing.B) {
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| 98 | u, _ := url.Parse("http://127.0.0.1/")
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| 99 | rc := &RequestConfig{BaseURL: u}
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| 100 | b.ResetTimer()
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| 101 | for i := 0; i < b.N; i++ {
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| 102 | out := bytes.NewBuffer(nil)
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| 103 | sanitizeHTML(rc, out, BENCH_COMPLEX_HTML)
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| 104 | }
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| 105 | }
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