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 | type StringTestCase struct {
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16 | Input string
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17 | ExpectedOutput string
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18 | }
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19 |
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20 | var attrTestData []*AttrTestCase = []*AttrTestCase{
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21 | &AttrTestCase{
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22 | []byte("href"),
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23 | []byte("./x"),
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24 | []byte(` href="./?mortyurl=http%3A%2F%2F127.0.0.1%2Fx"`),
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25 | },
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26 | &AttrTestCase{
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27 | []byte("src"),
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28 | []byte("http://x.com/y"),
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29 | []byte(` src="./?mortyurl=http%3A%2F%2Fx.com%2Fy"`),
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30 | },
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31 | &AttrTestCase{
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32 | []byte("action"),
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33 | []byte("/z"),
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34 | []byte(` action="./?mortyurl=http%3A%2F%2F127.0.0.1%2Fz"`),
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35 | },
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36 | &AttrTestCase{
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37 | []byte("onclick"),
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38 | []byte("console.log(document.cookies)"),
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39 | nil,
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40 | },
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41 | }
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42 |
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43 | var urlTestData []*StringTestCase = []*StringTestCase{
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44 | &StringTestCase{
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45 | "http://x.com/",
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46 | "./?mortyurl=http%3A%2F%2Fx.com%2F",
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47 | },
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48 | &StringTestCase{
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49 | "http://a@x.com/",
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50 | "./?mortyurl=http%3A%2F%2Fa%40x.com%2F",
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51 | },
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52 | }
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53 |
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54 | func TestAttrSanitizer(t *testing.T) {
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55 | u, _ := url.Parse("http://127.0.0.1/")
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56 | rc := &RequestConfig{BaseURL: u}
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57 | for _, testCase := range attrTestData {
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58 | out := bytes.NewBuffer(nil)
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59 | sanitizeAttr(rc, out, testCase.AttrName, testCase.AttrValue, testCase.AttrValue)
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60 | res, _ := out.ReadBytes(byte(0))
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61 | if !bytes.Equal(res, testCase.ExpectedOutput) {
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62 | t.Errorf(
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63 | `Attribute parse error. Name: "%s", Value: "%s", Expected: %s, Got: "%s"`,
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64 | testCase.AttrName,
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65 | testCase.AttrValue,
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66 | testCase.ExpectedOutput,
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67 | res,
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68 | )
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69 | }
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70 | }
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71 | }
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72 |
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73 | func TestURLProxifier(t *testing.T) {
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74 | u, _ := url.Parse("http://127.0.0.1/")
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75 | rc := &RequestConfig{BaseURL: u}
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76 | for _, testCase := range urlTestData {
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77 | newUrl, err := rc.ProxifyURI(testCase.Input)
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78 | if err != nil {
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79 | t.Errorf("Failed to parse URL: %s", testCase.Input)
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80 | }
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81 | if newUrl != testCase.ExpectedOutput {
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82 | t.Errorf(
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83 | `URL proxifier error. Expected: "%s", Got: "%s"`,
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84 | testCase.ExpectedOutput,
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85 | newUrl,
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86 | )
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87 | }
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88 | }
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89 | }
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90 |
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91 | var BENCH_SIMPLE_HTML []byte = []byte(`<!doctype html>
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92 | <html>
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93 | <head>
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94 | <title>test</title>
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95 | </head>
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96 | <body>
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97 | <h1>Test heading</h1>
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98 | </body>
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99 | </html>`)
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100 |
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101 | func BenchmarkSanitizeSimpleHTML(b *testing.B) {
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102 | u, _ := url.Parse("http://127.0.0.1/")
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103 | rc := &RequestConfig{BaseURL: u}
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104 | b.ResetTimer()
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105 | for i := 0; i < b.N; i++ {
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106 | out := bytes.NewBuffer(nil)
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107 | sanitizeHTML(rc, out, BENCH_SIMPLE_HTML)
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108 | }
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109 | }
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110 |
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111 | var BENCH_COMPLEX_HTML []byte = []byte(`<!doctype html>
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112 | <html>
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113 | <head>
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114 | <noscript><meta http-equiv="refresh" content="0; URL=./xy"></noscript>
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115 | <title>test 2</title>
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116 | <script> alert('xy'); </script>
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117 | <link rel="stylesheet" href="./core.bundle.css">
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118 | <style>
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119 | html { background: url(./a.jpg); }
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120 | </style
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121 | </head>
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122 | <body>
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123 | <h1>Test heading</h1>
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124 | <img src="b.png" alt="imgtitle" />
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125 | <form action="/z">
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126 | <input type="submit" style="background: url(http://aa.bb/cc)" >
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127 | </form>
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128 | </body>
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129 | </html>`)
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130 |
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131 | func BenchmarkSanitizeComplexHTML(b *testing.B) {
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132 | u, _ := url.Parse("http://127.0.0.1/")
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133 | rc := &RequestConfig{BaseURL: u}
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134 | b.ResetTimer()
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135 | for i := 0; i < b.N; i++ {
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136 | out := bytes.NewBuffer(nil)
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137 | sanitizeHTML(rc, out, BENCH_COMPLEX_HTML)
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138 | }
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139 | }
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