/**
* Test fixing of invalid self-closing elements (#1489137)
*/
function test_self_closing()
{
$html = "<textarea>test";
$washer = new rcube_washtml();
$washed = $washer->wash($html);
$this->assertRegExp('|<textarea>test</textarea>|', $washed, "Self-closing textarea (#1489137)");
}
/**
* Test style item fixes
*/
function test_style_wash()
{
$html = "<p style=\"line-height: 1; height: 10\">a</p>";
$washer = new rcube_washtml();
$washed = $washer->wash($html);
$this->assertRegExp('|line-height: 1;|', $washed, "Untouched line-height (#1489917)");
$this->assertRegExp('|; height: 10px|', $washed, "Fixed height units");
}
/**
* 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->assertRegExp('|src="http://alec\\.pl/dir/img1\\.gif"|', $html, "URI base resolving [1]");
$this->assertRegExp('|src="http://alec\\.pl/dir/img2\\.gif"|', $html, "URI base resolving [2]");
$this->assertRegExp('|src="http://alec\\.pl/img3\\.gif"|', $html, "URI base resolving [3]");
// base resolving exceptions
$this->assertRegExp('|src="cid:theCID"|', $html, "URI base resolving exception [1]");
$this->assertRegExp('|src="http://other\\.domain\\.tld/img3\\.gif"|', $html, "URI base resolving exception [2]");
}
/**
* Test MathML cleanup
*/
function test_wash_mathml()
{
$mathml = '<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body>
<math xmlns="http://www.w3.org/1998/Math/MathML"><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 xmlns="http://www.w3.org/1998/Math/MathML"><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 invalid style cleanup - XSS prevention (#1490227)
*/
function test_style_wash_xss()
{
$html = "<img style=aaa:'\"/onerror=alert(1)//'>";
$exp = "<img style=\"aaa: '"/onerror=alert(1)//'\" />";
$washer = new rcube_washtml();
$washed = $washer->wash($html);
$this->assertTrue(strpos($washed, $exp) !== false, "Style quotes XSS issue (#1490227)");
$html = "<img style=aaa:'"/onerror=alert(1)//'>";
$exp = "<img style=\"aaa: '"/onerror=alert(1)//'\" />";
$washer = new rcube_washtml();
$washed = $washer->wash($html);
$this->assertTrue(strpos($washed, $exp) !== false, "Style quotes XSS issue (#1490227)");
}
/**
* Test SVG cleanup
*/
function test_style_wash_svg()
{
$svg = '<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<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">
<polygon id="triangle" points="0,0 0,50 50,0" fill="#009900" stroke="#004400" onmouseover="alert(1)" />
<text x="50" y="68" font-size="48" fill="#FFF" text-anchor="middle"><![CDATA[410]]></text>
<script type="text/javascript">
alert(document.cookie);
</script>
<text x="10" y="25" >An example text</text>
<a xlink:href="http://www.w.pl"><rect width="100%" height="100%" /></a>
<foreignObject xlink:href="data:text/xml,%3Cscript xmlns=\'http://www.w3.org/1999/xhtml\'%3Ealert(1)%3C/script%3E"/>
<set attributeName="onmouseover" to="alert(1)"/>
<animate attributeName="onunload" to="alert(1)"/>
<animate attributeName="xlink:href" begin="0" from="javascript:alert(1)" />
</svg>';
$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">
<polygon id="triangle" points="0,0 0,50 50,0" fill="#009900" stroke="#004400" x-washed="onmouseover" />
<text x="50" y="68" font-size="48" fill="#FFF" text-anchor="middle">410</text>
<!-- script not allowed -->
<text x="10" y="25">An example text</text>
<a xlink:href="http://www.w.pl"><rect width="100%" height="100%" /></a>
<!-- foreignObject ignored -->
<set attributeName="onmouseover" x-washed="to" />
<animate attributeName="onunload" x-washed="to" />
<animate attributeName="xlink:href" begin="0" x-washed="from" />
</svg>';
$washer = new rcube_washtml();
$washed = $washer->wash($svg);
$this->assertSame($washed, $exp, "SVG content");
}
/**
* Test handling of unicode chars in style (#1489777)
*/
function test_style_unicode()
{
$html = "<html><meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />\n <body><span style='font-family:\"新細明體\",\"serif\";color:red'>test</span></body></html>";
$washer = new rcube_washtml();
$washed = $washer->wash($html);
$this->assertRegExp('|style=\'font-family: "新細明體","serif"; color: red\'|', $washed, "Unicode chars in style attribute - quoted (#1489697)");
$html = "<html><meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />\n <body><span style='font-family:新細明體;color:red'>test</span></body></html>";
$washer = new rcube_washtml();
$washed = $washer->wash($html);
$this->assertRegExp('|style="font-family: 新細明體; color: red"|', $washed, "Unicode chars in style attribute (#1489697)");
}
