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✅ Some more tests for purify_html().

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Add some generic HTML, JS, CSS expectations for purify_html().
Also cover our own configuration for HTMLPurifier.
This commit is contained in:
Klaus Weidenbach 2017-03-21 00:13:43 +01:00
parent 1bdab6e633
commit 30a3339653
1 changed files with 50 additions and 9 deletions
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59
tests/unit/includes/TextTest.php
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@ -5,7 +5,7 @@ namespace Zotlabs\Tests\Unit\includes;
use Zotlabs\Tests\Unit\UnitTestCase;
/**
* @brief Unit Test case for texter.
* @brief Unit Test case for include/texter.php file.
*
* @author ken restivo
*/
@ -24,14 +24,55 @@ class TextTest extends UnitTestCase {
}
public function testPurifyHTML() {
$html = '<div id="id01"><p class="p01">text<br><b>b</b></p></div>';
$html_expect = '<div id="id01"><p class="p01">text<br /><b>b</b></p></div>';
// linebreaks
$htmlbr = 'first line<br />
one tab preserved
empty line above';
$this->assertEquals($htmlbr, purify_html($htmlbr));
// HTML5 is not supported by HTMLPurifier yet, test our own configuration
$html5elements = '<section>section<nav>navigation</nav><article>main<a href="http://hubzilla.org/">hubzilla.org</a></article></section><footer>footer</footer>';
$htmldata = '<div data-title="title">text</div>';
$this->assertEquals($html_expect, purify_html($html));
$this->assertEquals($html5elements, purify_html($html5elements));
$this->assertEquals($htmldata, purify_html($htmldata));
}
}
$this->assertEquals('<button>button label</button>', purify_html('<button>button label</button>'));
// preserve f6 and bootstrap additional data attributes from our own configuration
$this->assertEquals('<div data-title="title">text</div>', purify_html('<div data-title="title">text</div>'));
$this->assertEquals('<ul data-accordion-menu=""><li>item1</li></ul>', purify_html('<ul data-accordion-menu><li>item1</li></ul>'));
$this->assertEquals('<ul><li>item1</li></ul>', purify_html('<ul data-accordion-menu-unknown><li>item1</li></ul>'));
}
public function testPurifyHTML_html() {
$this->assertEquals('<div id="id01"><p class="class01">ids und classes</p></div>', purify_html('<div id="id01"><p class="class01">ids und classes</p></div>'));
$this->assertEquals('<div><p>close missing tags</p></div>', purify_html('<div><p>close missing tags'));
$this->assertEquals('<center>deprecated tag</center>', purify_html('<center>deprecated tag</center>'));
$this->assertEquals('<span></span><div>illegal nesting</div>', purify_html('<span><div>illegal nesting</div></span>'));
$this->assertEquals('<a href="#">link with target</a>', purify_html('<a href="#" target="_blank">link with target</a>'));
$this->assertEquals('<a href="#">link with rel="nofollow"</a>', purify_html('<a href="#" rel="nofollow">link with rel="nofollow"</a>'));
$this->assertEquals('a b', purify_html('a&nbsp;b'));
$this->assertEquals('ä ä € €', purify_html('ä &auml; &euro; &#8364;'));
}
public function testPurifyHTML_js() {
$this->assertEquals('<div></div>', purify_html('<div><img src="javascript:evil();" onload="evil();"></div>'));
$this->assertEquals('<a href="#">link</a>', purify_html('<a href="#" onclick="alert(\'xss\')">link</a>'));
$this->assertEquals('', purify_html('<IMG SRC="javascript:alert(&#039;XSS&#039;);">'));
$this->assertEquals('', purify_html('<script>alter("42")</script>'));
}
public function testPurifyHTML_css() {
$this->assertEquals('<p style="color:#FF0000;background-color:#fff;">red</p>', purify_html('<p style="color:red; background-color:#fff">red</p>'));
$this->assertEquals('<p>invalid color</p>', purify_html('<p style="color:invalid; background-color:#jjkkmm">invalid color</p>'));
$this->assertEquals('<p>invalid style</p>', purify_html('<p style="foo:bar">invalid style</p>'));
// test our own CSS configuration
$this->assertEquals('<div>position removed</div>', purify_html('<div style="position:absolut">position removed</div>'));
$this->assertEquals('<div style="position:fixed;">position preserved</div>', purify_html('<div style="position:fixed">position preserved</div>', true));
$this->assertEquals('<div>invalid position removed</div>', purify_html('<div style="position:invalid">invalid position removed</div>', true));
$this->assertEquals('<div>position removed</div>', purify_html('<div style="top:10px; left:3em;">position removed</div>'));
$this->assertEquals('<div style="top:10px;left:3em;right:50%;">position preserved</div>', purify_html('<div style="top:10px; left:3em; right:50%;">position preserved</div>', true));
$this->assertEquals('<div>invalid position removed</div>', purify_html('<div style="top:10p">invalid position removed</div>', true));
}
}