tests/HTMLPurifier/URISchemeTest.php

   1 <?php
   2
   3 // WARNING: All the URI schemes are far to relaxed, we need to tighten
   4 // the checks.
   5
   6 class HTMLPurifier_URISchemeTest extends HTMLPurifier_URIHarness
   7 {
   8
   9     private $pngBase64;
  10
  11     public function __construct() {
  12         $this->pngBase64 =
  13             'iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAABGdBTUEAALGP'.
  14             'C/xhBQAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9YGARc5KB0XV+IA'.
  15             'AAAddEVYdENvbW1lbnQAQ3JlYXRlZCB3aXRoIFRoZSBHSU1Q72QlbgAAAF1J'.
  16             'REFUGNO9zL0NglAAxPEfdLTs4BZM4DIO4C7OwQg2JoQ9LE1exdlYvBBeZ7jq'.
  17             'ch9//q1uH4TLzw4d6+ErXMMcXuHWxId3KOETnnXXV6MJpcq2MLaI97CER3N0'.
  18             'vr4MkhoXe0rZigAAAABJRU5ErkJggg==';
  19     }
  20
  21     protected function assertValidation($uri, $expect_uri = true) {
  22         $this->prepareURI($uri, $expect_uri);
  23         $this->config->set('URI.AllowedSchemes', array($uri->scheme));
  24         // convenience hack: the scheme should be explicitly specified
  25         $scheme = $uri->getSchemeObj($this->config, $this->context);
  26         $result = $scheme->validate($uri, $this->config, $this->context);
  27         $this->assertEitherFailOrIdentical($result, $uri, $expect_uri);
  28     }
  29
  30     function test_http_regular() {
  31         $this->assertValidation(
  32             'http://example.com/?s=q#fragment'
  33         );
  34     }
  35
  36     function test_http_removeDefaultPort() {
  37         $this->assertValidation(
  38             'http://example.com:80',
  39             'http://example.com'
  40         );
  41     }
  42
  43     function test_http_removeUserInfo() {
  44         $this->assertValidation(
  45             'http://bob@example.com',
  46             'http://example.com'
  47         );
  48     }
  49
  50     function test_http_preserveNonDefaultPort() {
  51         $this->assertValidation(
  52             'http://example.com:8080'
  53         );
  54     }
  55
  56     function test_https_regular() {
  57         $this->assertValidation(
  58             'https://user@example.com:443/?s=q#frag',
  59             'https://example.com/?s=q#frag'
  60         );
  61     }
  62
  63     function test_ftp_regular() {
  64         $this->assertValidation(
  65             'ftp://user@example.com/path'
  66         );
  67     }
  68
  69     function test_ftp_removeDefaultPort() {
  70         $this->assertValidation(
  71             'ftp://example.com:21',
  72             'ftp://example.com'
  73         );
  74     }
  75
  76     function test_ftp_removeQueryString() {
  77         $this->assertValidation(
  78             'ftp://example.com?s=q',
  79             'ftp://example.com'
  80         );
  81     }
  82
  83     function test_ftp_preserveValidTypecode() {
  84         $this->assertValidation(
  85             'ftp://example.com/file.txt;type=a'
  86         );
  87     }
  88
  89     function test_ftp_removeInvalidTypecode() {
  90         $this->assertValidation(
  91             'ftp://example.com/file.txt;type=z',
  92             'ftp://example.com/file.txt'
  93         );
  94     }
  95
  96     function test_ftp_encodeExtraSemicolons() {
  97         $this->assertValidation(
  98             'ftp://example.com/too;many;semicolons=1',
  99             'ftp://example.com/too%3Bmany%3Bsemicolons=1'
 100         );
 101     }
 102
 103     function test_news_regular() {
 104         $this->assertValidation(
 105             'news:gmane.science.linguistics'
 106         );
 107     }
 108
 109     function test_news_explicit() {
 110         $this->assertValidation(
 111             'news:642@eagle.ATT.COM'
 112         );
 113     }
 114
 115     function test_news_removeNonPathComponents() {
 116         $this->assertValidation(
 117             'news://user@example.com:80/rec.music?path=foo#frag',
 118             'news:/rec.music#frag'
 119         );
 120     }
 121
 122     function test_nntp_regular() {
 123         $this->assertValidation(
 124             'nntp://news.example.com/alt.misc/42#frag'
 125         );
 126     }
 127
 128     function test_nntp_removalOfRedundantOrUselessComponents() {
 129         $this->assertValidation(
 130             'nntp://user@news.example.com:119/alt.misc/42?s=q#frag',
 131             'nntp://news.example.com/alt.misc/42#frag'
 132         );
 133     }
 134
 135     function test_mailto_regular() {
 136         $this->assertValidation(
 137             'mailto:bob@example.com'
 138         );
 139     }
 140
 141     function test_mailto_removalOfRedundantOrUselessComponents() {
 142         $this->assertValidation(
 143             'mailto://user@example.com:80/bob@example.com?subject=Foo#frag',
 144             'mailto:/bob@example.com?subject=Foo#frag'
 145         );
 146     }
 147
 148     function test_data_png() {
 149         $this->assertValidation(
 150             'data:image/png;base64,'.$this->pngBase64
 151         );
 152     }
 153
 154     function test_data_malformed() {
 155         $this->assertValidation(
 156             'data:image/png;base64,vr4MkhoXJRU5ErkJggg==',
 157             false
 158         );
 159     }
 160
 161     function test_data_implicit() {
 162         $this->assertValidation(
 163             'data:base64,'.$this->pngBase64,
 164             'data:image/png;base64,'.$this->pngBase64
 165         );
 166     }
 167
 168     function test_file_basic() {
 169         $this->assertValidation(
 170             'file://user@MYCOMPUTER:12/foo/bar?baz#frag',
 171             'file://MYCOMPUTER/foo/bar#frag'
 172         );
 173     }
 174
 175     function test_file_local() {
 176         $this->assertValidation(
 177             'file:///foo/bar?baz#frag',
 178             'file:///foo/bar#frag'
 179         );
 180     }
 181
 182     function test_ftp_empty_host() {
 183         $this->assertValidation('ftp:///example.com', false);
 184     }
 185
 186 }
 187
 188 // vim: et sw=4 sts=4