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46 lines
1.7 KiB
PHP
46 lines
1.7 KiB
PHP
<?php
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/**
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* Test class to test rcmail_mod_css_styles and XSS vulnerabilites
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*
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* @package Tests
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*/
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class rcube_test_modcss extends UnitTestCase
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{
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function __construct()
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{
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$this->UnitTestCase('CSS modification and vulnerability tests');
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}
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function test_modcss()
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{
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$css = file_get_contents(TESTS_DIR . 'src/valid.css');
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$mod = rcmail_mod_css_styles($css, 'rcmbody');
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$this->assertPattern('/#rcmbody\s+\{/', $mod, "Replace body style definition");
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$this->assertPattern('/#rcmbody h1\s\{/', $mod, "Prefix tag styles (single)");
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$this->assertPattern('/#rcmbody h1, #rcmbody h2, #rcmbody h3, #rcmbody textarea\s+\{/', $mod, "Prefix tag styles (multiple)");
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$this->assertPattern('/#rcmbody \.noscript\s+\{/', $mod, "Prefix class styles");
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}
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function test_xss()
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{
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$mod = rcmail_mod_css_styles("body.main2cols { background-image: url('../images/leftcol.png'); }", 'rcmbody');
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$this->assertEqual("/* evil! */", $mod, "No url() values allowed");
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$mod = rcmail_mod_css_styles("@import url('http://localhost/somestuff/css/master.css');", 'rcmbody');
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$this->assertEqual("/* evil! */", $mod, "No import statements");
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$mod = rcmail_mod_css_styles("left:expression(document.body.offsetWidth-20)", 'rcmbody');
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$this->assertEqual("/* evil! */", $mod, "No expression properties");
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$mod = rcmail_mod_css_styles("left:exp/* */ression( alert('xss3') )", 'rcmbody');
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$this->assertEqual("/* evil! */", $mod, "Don't allow encoding quirks");
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$mod = rcmail_mod_css_styles("background:\\0075\\0072\\006c( javascript:alert('xss') )", 'rcmbody');
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$this->assertEqual("/* evil! */", $mod, "Don't allow encoding quirks (2)");
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}
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}
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