<?php
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/**
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* Test class to test rcube_washtml class
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*
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* @package Tests
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*/
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class Framework_Washtml extends PHPUnit_Framework_TestCase
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{
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/**
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* Test the elimination of some XSS vulnerabilities
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*/
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function test_html_xss3()
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{
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// #1488850
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$html = '<p><a href="data:text/html,<script>alert(document.cookie)</script>">Firefox</a>'
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.'<a href="vbscript:alert(document.cookie)">Internet Explorer</a></p>';
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$washer = new rcube_washtml;
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$washed = $washer->wash($html);
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$this->assertNotRegExp('/data:text/', $washed, "Remove data:text/html links");
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$this->assertNotRegExp('/vbscript:/', $washed, "Remove vbscript: links");
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}
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/**
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* Test fixing of invalid href (#1488940)
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*/
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function test_href()
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{
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$html = "<p><a href=\"\nhttp://test.com\n\">Firefox</a>";
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$washer = new rcube_washtml;
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$washed = $washer->wash($html);
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$this->assertRegExp('|href="http://test.com">|', $washed, "Link href with newlines (#1488940)");
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}
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/**
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* Test XSS in area's href (#5240)
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*/
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function test_href_area()
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{
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$html = '<p><area href="data:text/html,<script>alert(document.cookie)</script>">'
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. '<area href="vbscript:alert(document.cookie)">Internet Explorer</p>'
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. '<area href="javascript:alert(document.domain)" shape=default>';
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$washer = new rcube_washtml;
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$washed = $washer->wash($html);
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$this->assertNotRegExp('/data:text/', $washed, "data:text/html in area href");
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$this->assertNotRegExp('/vbscript:/', $washed, "vbscript: in area href");
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$this->assertNotRegExp('/javascript:/', $washed, "javascript: in area href");
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}
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/**
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* Test handling HTML comments
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*/
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function test_comments()
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{
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$washer = new rcube_washtml;
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$html = "<!--[if gte mso 10]><p>p1</p><!--><p>p2</p>";
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$washed = $washer->wash($html);
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$this->assertEquals('<!-- html ignored --><!-- body ignored --><p>p2</p>', $washed, "HTML conditional comments (#1489004)");
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$html = "<!--TestCommentInvalid><p>test</p>";
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$washed = $washer->wash($html);
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$this->assertEquals('<!-- html ignored --><!-- body ignored --><p>test</p>', $washed, "HTML invalid comments (#1487759)");
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$html = "<p>para1</p><!-- comment --><p>para2</p>";
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$washed = $washer->wash($html);
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$this->assertEquals('<!-- html ignored --><!-- body ignored --><p>para1</p><p>para2</p>', $washed, "HTML comments - simple comment");
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$html = "<p>para1</p><!-- <hr> comment --><p>para2</p>";
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$washed = $washer->wash($html);
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$this->assertEquals('<!-- html ignored --><!-- body ignored --><p>para1</p><p>para2</p>', $washed, "HTML comments - tags inside (#1489904)");
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}
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/**
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* Test fixing of invalid self-closing elements (#1489137)
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*/
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function test_self_closing()
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{
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$html = "<textarea>test";
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$washer = new rcube_washtml;
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$washed = $washer->wash($html);
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$this->assertRegExp('|<textarea>test</textarea>|', $washed, "Self-closing textarea (#1489137)");
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}
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/**
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* Test fixing of invalid closing tags (#1489446)
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*/
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function test_closing_tag_attrs()
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{
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$html = "<a href=\"http://test.com\">test</a href>";
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$washer = new rcube_washtml;
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$washed = $washer->wash($html);
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$this->assertRegExp('|</a>|', $washed, "Invalid closing tag (#1489446)");
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}
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/**
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* Test fixing of invalid lists nesting (#1488768)
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*/
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function test_lists()
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{
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$data = array(
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array(
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"<ol><li>First</li><li>Second</li><ul><li>First sub</li></ul><li>Third</li></ol>",
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"<ol><li>First</li><li>Second<ul><li>First sub</li></ul></li><li>Third</li></ol>"
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),
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array(
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"<ol><li>First<ul><li>First sub</li></ul></li></ol>",
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"<ol><li>First<ul><li>First sub</li></ul></li></ol>",
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),
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array(
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"<ol><li>First<ol><li>First sub</li></ol></li></ol>",
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"<ol><li>First<ol><li>First sub</li></ol></li></ol>",
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),
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array(
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"<ul><li>First</li><ul><li>First sub</li><ul><li>sub sub</li></ul></ul><li></li></ul>",
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"<ul><li>First<ul><li>First sub<ul><li>sub sub</li></ul></li></ul></li><li></li></ul>",
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),
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array(
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"<ul><li>First</li><li>second</li><ul><ul><li>sub sub</li></ul></ul></ul>",
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"<ul><li>First</li><li>second<ul><ul><li>sub sub</li></ul></ul></li></ul>",
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),
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array(
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"<ol><ol><ol></ol></ol></ol>",
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"<ol><ol><ol></ol></ol></ol>",
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),
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array(
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"<div><ol><ol><ol></ol></ol></ol></div>",
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"<div><ol><ol><ol></ol></ol></ol></div>",
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),
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);
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foreach ($data as $element) {
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rcube_washtml::fix_broken_lists($element[0]);
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$this->assertSame($element[1], $element[0], "Broken nested lists (#1488768)");
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}
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}
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/**
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* Test color style handling (#1489697)
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*/
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function test_color_style()
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{
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$html = "<p style=\"font-size: 10px; color: rgb(241, 245, 218)\">a</p>";
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$washer = new rcube_washtml;
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$washed = $washer->wash($html);
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$this->assertRegExp('|color: rgb\(241, 245, 218\)|', $washed, "Color style (#1489697)");
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$this->assertRegExp('|font-size: 10px|', $washed, "Font-size style");
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}
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/**
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* Test handling of unicode chars in style (#1489777)
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*/
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function test_style_unicode()
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{
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$html = "<html><meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />
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<body><span style='font-family:\"新細明體\",\"serif\";color:red'>test</span></body></html>";
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$washer = new rcube_washtml;
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$washed = $washer->wash($html);
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$this->assertRegExp('|style="font-family: \"新細明體\",\"serif\"; color: red"|', $washed, "Unicode chars in style attribute - quoted (#1489697)");
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$html = "<html><meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />
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<body><span style='font-family:新細明體;color:red'>test</span></body></html>";
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$washer = new rcube_washtml;
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$washed = $washer->wash($html);
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$this->assertRegExp('|style="font-family: 新細明體; color: red"|', $washed, "Unicode chars in style attribute (#1489697)");
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}
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/**
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* Test style item fixes
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*/
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function test_style_wash()
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{
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$html = "<p style=\"line-height: 1; height: 10\">a</p>";
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$washer = new rcube_washtml;
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$washed = $washer->wash($html);
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$this->assertRegExp('|line-height: 1;|', $washed, "Untouched line-height (#1489917)");
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$this->assertRegExp('|; height: 10px|', $washed, "Fixed height units");
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}
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/**
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* Test invalid style cleanup - XSS prevention (#1490227)
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*/
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function test_style_wash_xss()
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{
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$html = "<img style=aaa:'\"/onerror=alert(1)//'>";
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$exp = "<img style=\"aaa: '"/onerror=alert(1)//'\" />";
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$washer = new rcube_washtml;
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$washed = $washer->wash($html);
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$this->assertTrue(strpos($washed, $exp) !== false, "Style quotes XSS issue (#1490227)");
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$html = "<img style=aaa:'"/onerror=alert(1)//'>";
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$exp = "<img style=\"aaa: '"/onerror=alert(1)//'\" />";
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$washer = new rcube_washtml;
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$washed = $washer->wash($html);
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$this->assertTrue(strpos($washed, $exp) !== false, "Style quotes XSS issue (#1490227)");
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}
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/**
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* Test SVG cleanup
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*/
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function test_style_wash_svg()
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{
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$svg = '<?xml version="1.0" standalone="no"?>
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<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
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<svg version="1.1" baseProfile="full" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:cc="http://creativecommons.org/ns#" viewBox="0 0 100 100">
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<polygon id="triangle" points="0,0 0,50 50,0" fill="#009900" stroke="#004400" onmouseover="alert(1)" />
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<text x="50" y="68" font-size="48" fill="#FFF" text-anchor="middle"><![CDATA[410]]></text>
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<script type="text/javascript">
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alert(document.cookie);
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</script>
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<text x="10" y="25" >An example text</text>
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<a xlink:href="http://www.w.pl"><rect width="100%" height="100%" /></a>
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<foreignObject xlink:href="data:text/xml,%3Cscript xmlns=\'http://www.w3.org/1999/xhtml\'%3Ealert(1)%3C/script%3E"/>
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<set attributeName="onmouseover" to="alert(1)"/>
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<animate attributeName="onunload" to="alert(1)"/>
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<animate attributeName="xlink:href" begin="0" from="javascript:alert(1)" />
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</svg>';
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$exp = '<svg xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" version="1.1" baseProfile="full" viewBox="0 0 100 100">
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<polygon id="triangle" points="0,0 0,50 50,0" fill="#009900" stroke="#004400" x-washed="onmouseover" />
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<text x="50" y="68" font-size="48" fill="#FFF" text-anchor="middle">410</text>
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<!-- script not allowed -->
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<text x="10" y="25">An example text</text>
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<a xlink:href="http://www.w.pl"><rect width="100%" height="100%" /></a>
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<!-- foreignObject ignored -->
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<set attributeName="onmouseover" x-washed="to" />
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<animate attributeName="onunload" x-washed="to" />
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<animate attributeName="xlink:href" begin="0" x-washed="from" />
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</svg>';
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$washer = new rcube_washtml;
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$washed = $washer->wash($svg);
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$this->assertSame($washed, $exp, "SVG content");
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}
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}
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