mirror of
https://github.com/roundcube/roundcubemail.git
synced 2026-03-03 14:54:01 +01:00
779 lines
30 KiB
PHP
779 lines
30 KiB
PHP
<?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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* A helper method to remove comments added by rcube_washtml
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*/
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function cleanupResult($html)
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{
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return preg_replace('/<!-- [a-z]+ (ignored|not allowed) -->/', '', $html);
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}
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/**
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* Test the elimination of some XSS vulnerabilities
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*/
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function test_html_xss()
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{
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// #1488850
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$html = '<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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.'<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>'
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.'<a href="data:application/xhtml+xml;base64,PGh0bW">CLICK ME</a>'; // #6896
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$washer = new rcube_washtml;
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$washed = $washer->wash($html);
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$this->assertDoesNotMatchRegularExpression('/data:text/', $washed, "Remove data:text/html links");
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$this->assertDoesNotMatchRegularExpression('/vbscript:/', $washed, "Remove vbscript: links");
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$this->assertDoesNotMatchRegularExpression('/data:application/', $washed, "Remove data:application links");
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}
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/**
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* Test fixing of invalid href
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*/
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function test_href()
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{
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$html = "<p><a href=\"\nhttp://test.com\n\">Firefox</a><a href=\"domain.com\">Firefox</a>";
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$washer = new rcube_washtml;
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$washed = $washer->wash($html);
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$this->assertMatchesRegularExpression('|href="http://test\.com"|', $washed, "Link href with newlines (#1488940)");
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$this->assertMatchesRegularExpression('|href="http://domain\.com"|', $washed, "Link href with no protocol (#7454)");
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}
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/**
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* Test XSS in area's href (#5240)
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*/
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function test_href_area()
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{
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$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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. '<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->assertDoesNotMatchRegularExpression('/data:text/', $washed, "data:text/html in area href");
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$this->assertDoesNotMatchRegularExpression('/vbscript:/', $washed, "vbscript: in area href");
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$this->assertDoesNotMatchRegularExpression('/javascript:/', $washed, "javascript: in area href");
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}
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/**
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* Test removing of object tag, but keeping innocent children
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*/
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function test_object()
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{
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$html = "<div>\n<object data=\"move.swf\" type=\"application/x-shockwave-flash\">\n"
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."<param name=\"foo\" value=\"bar\">\n"
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."<p>This alternative text should survive</p>"
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."</object>\n</div>";
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$washer = new rcube_washtml;
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$washed = $washer->wash($html);
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$this->assertDoesNotMatchRegularExpression('/<\/?object/', $washed, "Remove object tag");
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$this->assertDoesNotMatchRegularExpression('/<param/', $washed, "Remove param tag");
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$this->assertMatchesRegularExpression('/<p>/', $washed, "Keep embedded tags");
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}
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/**
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* Test handling HTML comments
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*/
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function test_comments()
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{
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$washer = new rcube_washtml;
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$html = "<!--[if gte mso 10]><p>p1</p><!--><p>p2</p>";
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$washed = $this->cleanupResult($washer->wash($html));
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$this->assertEquals('<p>p2</p>', $washed, "HTML conditional comments (#1489004)");
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$html = "<!--TestCommentInvalid><p>test</p>";
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$washed = $this->cleanupResult($washer->wash($html));
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$this->assertEquals('<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 = $this->cleanupResult($washer->wash($html));
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$this->assertEquals('<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 = $this->cleanupResult($washer->wash($html));
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$this->assertEquals('<p>para1</p><p>para2</p>', $washed, "HTML comments - tags inside (#1489904)");
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$html = "<p>para1</p><!-- comment => comment --><p>para2</p>";
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$washed = $this->cleanupResult($washer->wash($html));
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$this->assertEquals('<p>para1</p><p>para2</p>', $washed, "HTML comments - bracket inside");
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$html = "<p><!-- span>1</span -->\n<span>2</span>\n<!-- >3</span --><span>4</span></p>";
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$washed = $this->cleanupResult($washer->wash($html));
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$this->assertEquals("<p>\n<span>2</span>\n<span>4</span></p>", $washed, "HTML comments (#6464)");
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}
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/**
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* Test fixing of invalid self-closing elements (#1489137)
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*/
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function test_self_closing()
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{
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$html = "<textarea>test";
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$washer = new rcube_washtml;
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$washed = $washer->wash($html);
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$this->assertMatchesRegularExpression('|<textarea>test</textarea>|', $washed);
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}
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/**
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* Test fixing of invalid closing tags (#1489446)
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*/
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function test_closing_tag_attrs()
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{
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$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->assertMatchesRegularExpression('|</a>|', $washed);
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}
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/**
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* Test fixing of invalid lists nesting (#1488768)
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*/
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function test_lists()
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{
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$data = [
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[
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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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[
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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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[
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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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[
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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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[
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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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[
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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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[
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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->assertMatchesRegularExpression('|color: rgb\(241, 245, 218\)|', $washed, "Color style (#1489697)");
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$this->assertMatchesRegularExpression('|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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$this->assertMatchesRegularExpression(
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'|style="font-family: \"新細明體\",\"serif\"; color: red"|',
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$washed,
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"Unicode chars in style attribute - quoted (#1489697)"
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);
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$html = "<html><meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />
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<body><span style='font-family:新細明體;color:red'>test</span></body></html>";
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$washer = new rcube_washtml;
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$washed = $washer->wash($html);
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$this->assertMatchesRegularExpression(
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'|style="font-family: 新細明體; color: red"|',
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$washed,
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"Unicode chars in style attribute (#1489697)"
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);
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}
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/**
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* Test deprecated body attributes (#7109)
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*/
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function test_style_body_attrs()
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{
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$html = "<html><meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />
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<body bgcolor=\"#fff\" text=\"#000\" background=\"#test\" link=\"#111\" alink=\"#222\" vlink=\"#333\">
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</body></html>";
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$washer = new rcube_washtml(['html_elements' => ['body']]);
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$washed = $washer->wash($html);
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$this->assertMatchesRegularExpression('|bgcolor="#fff"|', $washed, "Body bgcolor attribute");
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$this->assertMatchesRegularExpression('|text="#000"|', $washed, "Body text attribute");
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$this->assertMatchesRegularExpression('|background="#test"|', $washed, "Body background attribute");
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$this->assertMatchesRegularExpression('|link="#111"|', $washed, "Body link attribute");
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$this->assertMatchesRegularExpression('|alink="#222"|', $washed, "Body alink attribute");
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$this->assertMatchesRegularExpression('|vlink="#333"|', $washed, "Body vlink attribute");
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}
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/**
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* Test style item fixes
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*/
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function test_style_wash()
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{
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$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->assertMatchesRegularExpression('|line-height: 1;|', $washed, "Untouched line-height (#1489917)");
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$this->assertMatchesRegularExpression('|; height: 10px|', $washed, "Fixed height units");
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$html = "<div style=\"padding: 0px\n 20px;border:1px solid #000;\"></div>";
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$expected = "<div style=\"padding: 0px 20px; border: 1px solid #000\"></div>";
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$washer = new rcube_washtml;
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$washed = $washer->wash($html);
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$this->assertTrue(strpos($washed, $expected) !== false, "White-space and new-line characters handling");
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}
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/**
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* Test invalid style cleanup - XSS prevention (#1490227)
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*/
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function test_style_wash_xss()
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{
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$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, $exp) !== false, "Style quotes XSS issue (#1490227)");
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}
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/**
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* Test SVG cleanup
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*/
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function test_wash_svg()
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{
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$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, $exp, "SVG content");
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}
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/**
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* Test cases for SVG tests
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*/
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function data_wash_svg_tests()
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{
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$svg1 = "<svg id='x' width='100' height='100'><a xlink:href='javascript:alert(1)'><rect x='0' y='0' width='100' height='100' /></a></svg>";
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return [
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[
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'<head xmlns=""><script>alert(document.domain)</script>"><svg></svg></head>',
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'<svg xmlns="http://www.w3.org/1999/xhtml"></svg>'
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],
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[
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'<head xmlns="" onload="alert(document.domain)">Hello victim!<svg></svg></head>',
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'Hello victim!<svg xmlns="http://www.w3.org/1999/xhtml"></svg>'
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],
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[
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'<p>Hello victim!<svg xmlns="" onload="alert(document.domain)"></svg></p>',
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'<p>Hello victim!<svg /></p>'
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],
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[
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'<html><p>Hello victim!<svg xmlns="" onload="alert(document.domain)"></svg></p>',
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'<p>Hello victim!<svg xmlns="http://www.w3.org/1999/xhtml"></svg></p>'
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],
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[
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'<svg xmlns="" onload="alert(document.domain)" />',
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'<svg xmlns="" onload="alert(document.domain)" />'
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],
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[
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'<html><svg xmlns="" onload="alert(document.domain)" />',
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'<svg xmlns="http://www.w3.org/1999/xhtml"></svg>'
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],
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[
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'<svg><a xlink:href="javascript:alert(1)"><text x="20" y="20">XSS</text></a></svg>',
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'<svg><a x-washed="xlink:href"><text x="20" y="20">XSS</text></a></svg>'
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],
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[
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'<html><svg><a xlink:href="javascript:alert(1)"><text x="20" y="20">XSS</text></a></svg>',
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'<svg xmlns="http://www.w3.org/1999/xhtml"><a x-washed="xlink:href"><text x="20" y="20">XSS</text></a></svg>'
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],
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[
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'<svg><animate xlink:href="#xss" attributeName="href" values="javascript:alert(1)" />'
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. '<a id="xss"><text x="20" y="20">XSS</text></a></svg>',
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'<svg><!-- animate blocked --><a id="xss"><text x="20" y="20">XSS</text></a></svg>',
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],
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[
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'<html><svg><animate xlink:href="#xss" attributeName="href" values="javascript:alert(1)" />'
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. '<a id="xss"><text x="20" y="20">XSS</text></a></svg>',
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'<svg xmlns="http://www.w3.org/1999/xhtml">'
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. '<!-- animate blocked --><a id="xss"><text x="20" y="20">XSS</text></a></svg>',
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],
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[
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'<svg><animate xlink:href="#xss" attributeName="href" from="javascript:alert(1)" to="1" />'
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. '<a id="xss"><text x="20" y="20">XSS</text></a></svg>',
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'<svg><!-- animate blocked --><a id="xss"><text x="20" y="20">XSS</text></a></svg>',
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],
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[
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'<svg><set xlink:href="#xss" attributeName="href" from="?" to="javascript:alert(1)" />'
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. '<a id="xss"><text x="20" y="20">XSS</text></a></svg>',
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'<svg><!-- set blocked --><a id="xss"><text x="20" y="20">XSS</text></a></svg>',
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],
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[
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'<svg><animate xlink:href="#xss" attributename="href" dur="5s" repeatCount="indefinite" keytimes="0;0;1" values="https://portswigger.net?;javascript:alert(1);0" />'
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. '<a id="xss"><text x="20" y="20">XSS</text></a></svg>',
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'<svg><!-- animate blocked --><a id="xss"><text x="20" y="20">XSS</text></a></svg>',
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],
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[
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"<svg><use href=\"data:image/svg+xml,<svg id='x' xmlns='http://www.w3.org/2000/svg' "
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. "xmlns:xlink='http://www.w3.org/1999/xlink' width='100' height='100'><a xlink:href='javascript:alert(1)'>"
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. "<rect x='0' y='0' width='100' height='100' /></a></svg>\"></use></svg>",
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"<svg><use href=\"data:image/svg+xml;base64,PHN2ZyB4bWxuczp4bGluaz0iaHR0cDovL3d3dy53"
|
|
. "My5vcmcvMTk5OS94bGluayIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiBpZD0ie"
|
|
. "CIgd2lkdGg9IjEwMCIgaGVpZ2h0PSIxMDAiPjxhIHgtd2FzaGVkPSJ4bGluazpocmVmIj48cmVjdC"
|
|
. "B4PSIwIiB5PSIwIiB3aWR0aD0iMTAwIiBoZWlnaHQ9IjEwMCIgLz48L2E+PC9zdmc+\" /></svg>"
|
|
],
|
|
[
|
|
"<svg><use href=\"data:image/svg+xml;base64," . base64_encode($svg1) . "\"></use></svg>",
|
|
"<svg><use href=\"data:image/svg+xml;base64,PHN2ZyBpZD0ieCIgd2lkdGg9IjEwMCIgaGVpZ2h"
|
|
. "0PSIxMDAiPjxhIHgtd2FzaGVkPSJ4bGluazpocmVmIj48cmVjdCB4PSIwIiB5PSIwIiB3aWR0aD0"
|
|
. "iMTAwIiBoZWlnaHQ9IjEwMCIgLz48L2E+PC9zdmc+\" /></svg>"
|
|
],
|
|
[
|
|
'<svg><script href="data:text/javascript,alert(1)" /><text x="20" y="20">XSS</text></svg>',
|
|
'<svg><text x="20" y="20">XSS</text></svg>'
|
|
],
|
|
];
|
|
}
|
|
|
|
/**
|
|
* Test SVG cleanup
|
|
*
|
|
* @dataProvider data_wash_svg_tests
|
|
*/
|
|
function test_wash_svg_tests($input, $expected)
|
|
{
|
|
$washer = new rcube_washtml;
|
|
$washed = $washer->wash($input);
|
|
|
|
$this->assertSame($expected, $this->cleanupResult($washed), "SVG content");
|
|
}
|
|
|
|
/**
|
|
* Test cases for various XSS issues
|
|
*/
|
|
function data_wash_xss_tests()
|
|
{
|
|
return [
|
|
[
|
|
'<html><base href="javascript:/a/-alert(1)///////"><a href="../lol/safari.html">test</a>',
|
|
'<body><a x-washed="href">test</a></body>'
|
|
],
|
|
[
|
|
'<html><math><x href="javascript:alert(1)">blah</x>',
|
|
'<body><math>blah</math></body>'
|
|
],
|
|
[
|
|
'<html><a href="javascript:alert(1)">XSS</a>',
|
|
'<body><a x-washed="href">XSS</a></body>'
|
|
],
|
|
[
|
|
'<html><a href="j avascript:alert(1)">XSS</a>',
|
|
'<body><a x-washed="href">XSS</a></body>'
|
|
],
|
|
[
|
|
'<html><a href="j avascript:alert(1)">XSS</a>',
|
|
'<body><a x-washed="href">XSS</a></body>'
|
|
],
|
|
[
|
|
'<html><body background="javascript:alert(1)">',
|
|
'<body x-washed="background"></body>'
|
|
],
|
|
[
|
|
'<html><math href="javascript:alert(location);"><mi>clickme</mi></math>',
|
|
'<body><math x-washed="href"><mi>clickme</mi></math></body>',
|
|
],
|
|
[
|
|
'<html><math><mstyle href="javascript:alert(location);"><mi>clickme</mi></mstyle></math>',
|
|
'<body><math><mstyle x-washed="href"><mi>clickme</mi></mstyle></math></body>',
|
|
],
|
|
[
|
|
'<html><math><msubsup href="javascript:alert(location);"><mi>clickme</mi></msubsup></math>',
|
|
'<body><math><msubsup x-washed="href"><mi>clickme</mi></msubsup></math></body>',
|
|
],
|
|
[
|
|
'<html><math><ms HREF="javascript:alert(location);">clickme</ms></math>',
|
|
'<body><math><ms x-washed="href">clickme</ms></math></body>',
|
|
],
|
|
];
|
|
}
|
|
|
|
/**
|
|
* Test various XSS issues
|
|
*
|
|
* @dataProvider data_wash_xss_tests
|
|
*/
|
|
function test_wash_xss_tests($input, $expected)
|
|
{
|
|
$washer = new rcube_washtml(['allow_remote' => true, 'html_elements' => ['body']]);
|
|
$washed = $washer->wash($input);
|
|
|
|
$this->assertSame($expected, $this->cleanupResult($washed), "XSS issues");
|
|
}
|
|
|
|
/**
|
|
* Test position:fixed cleanup - (#5264)
|
|
*/
|
|
function test_style_wash_position_fixed()
|
|
{
|
|
$html = "<img style='position:fixed' /><img style=\"position:/**/ fixed; top:10px\" />";
|
|
$exp = "<img style=\"position: absolute\" /><img style=\"position: absolute; top: 10px\" />";
|
|
|
|
$washer = new rcube_washtml;
|
|
$washed = $washer->wash($html);
|
|
|
|
$this->assertTrue(strpos($washed, $exp) !== false, "Position:fixed (#5264)");
|
|
}
|
|
|
|
/**
|
|
* Test MathML cleanup
|
|
*/
|
|
function test_wash_mathml()
|
|
{
|
|
$mathml = '<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body>
|
|
<math><semantics>
|
|
<mrow>
|
|
<msub><mi>I</mi><mi>D</mi></msub>
|
|
<mo>=</mo>
|
|
<mfrac><mn>1</mn><mn>2</mn></mfrac>
|
|
<msub><mi>k</mi><mi>n</mi></msub>
|
|
<mfrac><mi>W</mi><mi>L</mi></mfrac>
|
|
<mo stretchy="false">(</mo>
|
|
<msub><mi>V</mi><mrow><mi>G</mi><mi>S</mi></mrow></msub>
|
|
<mo>-</mo><msub><mi>V</mi><mi>t</mi></msub><msup>
|
|
<mo stretchy="false">)</mo><mn>2</mn></msup>
|
|
</mrow>
|
|
<annotation encoding="TeX">I_D = \frac{1}{2} k_n \frac{W}{L} (V_{GS}-V_t)^2</annotation>
|
|
</semantics></math>
|
|
</body></html>';
|
|
|
|
$exp = '<!-- html ignored --><!-- head ignored --><!-- meta ignored --><!-- body ignored -->
|
|
<math><semantics>
|
|
<mrow>
|
|
<msub><mi>I</mi><mi>D</mi></msub>
|
|
<mo>=</mo>
|
|
<mfrac><mn>1</mn><mn>2</mn></mfrac>
|
|
<msub><mi>k</mi><mi>n</mi></msub>
|
|
<mfrac><mi>W</mi><mi>L</mi></mfrac>
|
|
<mo stretchy="false">(</mo>
|
|
<msub><mi>V</mi><mrow><mi>G</mi><mi>S</mi></mrow></msub>
|
|
<mo>-</mo><msub><mi>V</mi><mi>t</mi></msub><msup>
|
|
<mo stretchy="false">)</mo><mn>2</mn></msup>
|
|
</mrow>
|
|
<annotation encoding="TeX">I_D = \frac{1}{2} k_n \frac{W}{L} (V_{GS}-V_t)^2</annotation>
|
|
</semantics></math>';
|
|
|
|
$washer = new rcube_washtml;
|
|
$washed = $washer->wash($mathml);
|
|
|
|
// remove whitespace between tags
|
|
$washed = preg_replace('/>[\s\r\n\t]+</', '><', $washed);
|
|
$exp = preg_replace('/>[\s\r\n\t]+</', '><', $exp);
|
|
|
|
$this->assertSame(trim($washed), trim($exp), "MathML content");
|
|
}
|
|
|
|
/**
|
|
* Test external links in src of input/video elements (#5583)
|
|
*/
|
|
function test_src_wash()
|
|
{
|
|
$html = "<input type=\"image\" src=\"http://TRACKING_URL/\">";
|
|
|
|
$washer = new rcube_washtml;
|
|
$washed = $washer->wash($html);
|
|
|
|
$this->assertTrue($washer->extlinks);
|
|
$this->assertStringNotContainsString('TRACKING', $washed, "Src attribute of <input> tag (#5583)");
|
|
|
|
$html = "<video src=\"http://TRACKING_URL/\">";
|
|
|
|
$washer = new rcube_washtml;
|
|
$washed = $washer->wash($html);
|
|
|
|
$this->assertTrue($washer->extlinks);
|
|
$this->assertStringNotContainsString('TRACKING', $washed, "Src attribute of <video> tag (#5583)");
|
|
}
|
|
|
|
/**
|
|
* Test external links
|
|
*/
|
|
function test_extlinks()
|
|
{
|
|
$html = [
|
|
["<link href=\"http://TRACKING_URL/\">", true],
|
|
["<link href=\"src:abc\">", false],
|
|
["<img src=\"http://TRACKING_URL/\">", true],
|
|
["<img src=\"data:image\">", false],
|
|
['<p style="backgr\\ound-image: \\ur\\l(\'http://TRACKING_URL\')"></p>', true],
|
|
];
|
|
|
|
foreach ($html as $item) {
|
|
$washer = new rcube_washtml;
|
|
$washed = $washer->wash($item[0]);
|
|
|
|
$this->assertSame($item[1], $washer->extlinks);
|
|
}
|
|
|
|
foreach ($html as $item) {
|
|
$washer = new rcube_washtml(['allow_remote' => true]);
|
|
$washed = $washer->wash($item[0]);
|
|
|
|
$this->assertFalse($washer->extlinks);
|
|
}
|
|
}
|
|
|
|
function test_textarea_content_escaping()
|
|
{
|
|
$html = '<textarea><p style="x:</textarea><img src=x onerror=alert(1)>">';
|
|
|
|
$washer = new rcube_washtml;
|
|
$washed = $washer->wash($html);
|
|
|
|
$this->assertStringNotContainsString('onerror=alert(1)>', $washed);
|
|
$this->assertStringContainsString('<p style="x:', $washed);
|
|
}
|
|
|
|
/**
|
|
* Test css_prefix feature
|
|
*/
|
|
function test_css_prefix()
|
|
{
|
|
$washer = new rcube_washtml(['css_prefix' => 'test']);
|
|
|
|
$html = '<p id="my-id">'
|
|
. '<label for="my-other-id" class="my-class1 my-class2">test</label>'
|
|
. '<a href="#my-id">link</a>'
|
|
. '</p>';
|
|
$washed = $washer->wash($html);
|
|
|
|
$this->assertStringContainsString('id="testmy-id"', $washed);
|
|
$this->assertStringContainsString('for="testmy-other-id"', $washed);
|
|
$this->assertStringContainsString('href="#testmy-id"', $washed);
|
|
$this->assertStringContainsString('class="testmy-class1 testmy-class2"', $washed);
|
|
}
|
|
|
|
/**
|
|
* Test removing xml tag
|
|
*/
|
|
function test_xml_tag()
|
|
{
|
|
$html = '<p><?xml:namespace prefix = "xsl" /></p>';
|
|
|
|
$washer = new rcube_washtml;
|
|
$washed = $this->cleanupResult($washer->wash($html));
|
|
|
|
$this->assertSame($washed, '<p></p>');
|
|
|
|
$html = '<?xml encoding="UTF-8"><html><body>HTML</body></html>';
|
|
|
|
$washer = new rcube_washtml;
|
|
$washed = $this->cleanupResult($washer->wash($html));
|
|
|
|
$this->assertSame($washed, 'HTML');
|
|
}
|
|
|
|
/**
|
|
* Test missing main HTML hierarchy tags (#6713)
|
|
*/
|
|
function test_missing_tags()
|
|
{
|
|
$washer = new rcube_washtml();
|
|
|
|
$html = '<head></head>First line<br />Second line';
|
|
$washed = $washer->wash($html);
|
|
|
|
$this->assertStringContainsString('First line', $washed);
|
|
|
|
$html = 'First line<br />Second line';
|
|
$washed = $washer->wash($html);
|
|
|
|
$this->assertStringContainsString('First line', $washed);
|
|
|
|
$html = '<html>First line<br />Second line</html>';
|
|
$washed = $washer->wash($html);
|
|
|
|
$this->assertStringContainsString('>First line', $washed);
|
|
|
|
$html = '<html><head></head>First line<br />Second line</html>';
|
|
$washed = $washer->wash($html);
|
|
|
|
$this->assertStringContainsString('First line', $washed);
|
|
|
|
// Not really valid HTML, but because its common in email world
|
|
// and because it works with DOMDocument, we make sure its supported
|
|
$html = 'First line<br /><html><body>Second line';
|
|
$washed = $washer->wash($html);
|
|
|
|
$this->assertStringContainsString('First line', $washed);
|
|
|
|
$html = 'First line<br /><html>Second line';
|
|
$washed = $washer->wash($html);
|
|
|
|
$this->assertStringContainsString('First line', $washed);
|
|
}
|
|
|
|
/**
|
|
* Test CDATA cleanup
|
|
*/
|
|
function test_cdata()
|
|
{
|
|
$html = '<p><![CDATA[<script>alert(document.cookie)</script>]]></p>';
|
|
|
|
$washer = new rcube_washtml;
|
|
$washed = $washer->wash($html);
|
|
|
|
$this->assertTrue(strpos($washed, '<script>') === false, "CDATA content");
|
|
}
|
|
|
|
/**
|
|
* Test URI base resolving in HTML messages
|
|
*/
|
|
function test_resolve_base()
|
|
{
|
|
$html = file_get_contents(TESTS_DIR . 'src/htmlbase.txt');
|
|
$html = rcube_washtml::resolve_base($html);
|
|
|
|
$this->assertMatchesRegularExpression('|src="http://alec\.pl/dir/img1\.gif"|', $html, "URI base resolving [1]");
|
|
$this->assertMatchesRegularExpression('|src="http://alec\.pl/dir/img2\.gif"|', $html, "URI base resolving [2]");
|
|
$this->assertMatchesRegularExpression('|src="http://alec\.pl/img3\.gif"|', $html, "URI base resolving [3]");
|
|
|
|
// base resolving exceptions
|
|
$this->assertMatchesRegularExpression('|src="cid:theCID"|', $html, "URI base resolving exception [1]");
|
|
$this->assertMatchesRegularExpression('|src="http://other\.domain\.tld/img3\.gif"|', $html, "URI base resolving exception [2]");
|
|
}
|
|
|
|
/**
|
|
* Test workaround for HTML5 bug (#7356)
|
|
*/
|
|
function test_table_bug7356()
|
|
{
|
|
$html = '
|
|
<table id="t1">
|
|
<tr>
|
|
<td>
|
|
<table id="t2">
|
|
<tr>
|
|
<tr>
|
|
<td></td>
|
|
</tr>
|
|
</tr>
|
|
</table>
|
|
</td>
|
|
</tr>
|
|
<tr><td></td></tr>
|
|
</table>';
|
|
|
|
$expected = '
|
|
<table id="t1">
|
|
<tr>
|
|
<td>
|
|
<table id="t2">
|
|
<tr>
|
|
<td></td>
|
|
</tr>
|
|
</table>
|
|
</td>
|
|
</tr>
|
|
<tr><td></td></tr>
|
|
</table>';
|
|
|
|
$washer = new rcube_washtml;
|
|
$washed = $this->cleanupResult($washer->wash($html));
|
|
|
|
$this->assertSame(trim($expected), $washed);
|
|
}
|
|
}
|