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Diffstat (limited to 'Tests/Unit/includes/TextTest.php')
| -rw-r--r-- | Tests/Unit/includes/TextTest.php | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/Tests/Unit/includes/TextTest.php b/Tests/Unit/includes/TextTest.php new file mode 100644 index 000000000..97fa64895 --- /dev/null +++ b/Tests/Unit/includes/TextTest.php @@ -0,0 +1,120 @@ +<?php + +namespace Zotlabs\Tests\Unit\includes; + +use Zotlabs\Tests\Unit\UnitTestCase; + +/** + * @brief Unit Test case for include/text.php file. + * + * @author ken restivo + */ +class TextTest extends UnitTestCase { + + + public function testPurifyHTML() { + // 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>'; + $this->assertEquals($html5elements, purify_html($html5elements)); + $this->assertEquals('<button>button label</button>', purify_html('<button>button label</button>')); + + // unsupported HTML5 elements + $this->assertEquals('Your HTML parser does not support HTML5 video.', purify_html('<video controls><source src="movie.ogg" type="video/ogg">Your HTML parser does not support HTML5 video.</video>')); + $this->assertEquals('Your HTML parser does not support HTML5 audio.', purify_html('<audio controls><source src="movie.ogg" "type="audio/ogg">Your HTML parser does not support HTML5 audio.</audio>')); + + // 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>')); + } + + /** + * @covers ::purify_html + */ + 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 b')); + $this->assertEquals('ä ä € €', purify_html('ä ä € €')); + $this->assertEquals('<img src="picture.png" alt="text" />', purify_html('<img src="picture.png" alt="text">')); + $this->assertEquals('', purify_html('<iframe width="560" height="315" src="https://www.youtube.com/embed/kiNGx5oL7hk" frameborder="0" allowfullscreen></iframe>')); + } + + /** + * @covers ::purify_html + */ + 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('XSS');">')); + $this->assertEquals('', purify_html('<script>alter("42")</script>')); + } + + /** + * @covers ::purify_html + */ + 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)); + $this->assertEquals('<div>invalid position removed</div>', purify_html('<div style="top:10p">invalid position removed</div>', true)); + } + + /** + * @dataProvider notagsProvider + */ + public function testNotags($string, $expected) { + $this->assertEquals($expected, notags($string)); + } + public function notagsProvider() { + return [ + 'empty string' => ['', ''], + 'simple tag' => ['<value>', '[value]'], + 'tag pair' => ['<b>text</b>', '[b]text[/b]'], + 'double angle bracket' => ['<<value', '[[value'], + 'HTML entity >' => ['>', '>'] + ]; + } + + /** + * @dataProvider sanitise_aclProvider + */ + public function testSanitise_acl($string, $expected) { + sanitise_acl($string); + $this->assertEquals($expected, $string); + } + public function sanitise_aclProvider() { + return [ + 'text' => ['value', '<value>'], + 'text with angle bracket' => ['<value>', '<[value]>'], + 'comma separated acls' => ['value1,value2', '<value1,value2>'] + ]; + } + + public function testUnsetSanitise_acl() { + $empty = ''; + sanitise_acl($empty); + $this->assertTrue(isset($empty)); // unset() not working? Would expect false + $this->assertEmpty($empty); + } + +} |