htmlpurifier/tests/HTMLPurifier/AttrDef/CSSTest.php

<?php

class HTMLPurifier_AttrDef_CSSTest extends HTMLPurifier_AttrDefHarness
{

    public function setup()
    {
        parent::setup();
        $this->def = new HTMLPurifier_AttrDef_CSS();
    }

    public function test()
    {
        // regular cases, singular
        $this->assertDef('text-align:right;');
        $this->assertDef('border-left-style:solid;');
        $this->assertDef('border-style:solid dotted;');
        $this->assertDef('clear:right;');
        $this->assertDef('float:left;');
        $this->assertDef('font-style:italic;');
        $this->assertDef('font-variant:small-caps;');
        $this->assertDef('font-weight:bold;');
        $this->assertDef('list-style-position:outside;');
        $this->assertDef('list-style-type:upper-roman;');
        $this->assertDef('list-style:upper-roman inside;');
        $this->assertDef('text-transform:capitalize;');
        $this->assertDef('background-color:rgb(0,0,255);');
        $this->assertDef('background-color:transparent;');
        $this->assertDef('background:#333 url("chess.png") repeat fixed 50% top;');
        $this->assertDef('color:#F00;');
        $this->assertDef('border-top-color:#F00;');
        $this->assertDef('border-color:#F00 #FF0;');
        $this->assertDef('border-top-width:thin;');
        $this->assertDef('border-top-width:12px;');
        $this->assertDef('border-width:5px 1px 4px 2px;');
        $this->assertDef('border-top-width:-12px;', false);
        $this->assertDef('letter-spacing:normal;');
        $this->assertDef('letter-spacing:2px;');
        $this->assertDef('word-spacing:normal;');
        $this->assertDef('word-spacing:3em;');
        $this->assertDef('font-size:200%;');
        $this->assertDef('font-size:larger;');
        $this->assertDef('font-size:12pt;');
        $this->assertDef('line-height:2;');
        $this->assertDef('line-height:2em;');
        $this->assertDef('line-height:20%;');
        $this->assertDef('line-height:normal;');
        $this->assertDef('line-height:-20%;', false);
        $this->assertDef('margin-left:5px;');
        $this->assertDef('margin-right:20%;');
        $this->assertDef('margin-top:auto;');
        $this->assertDef('margin:auto 5%;');
        $this->assertDef('padding-bottom:5px;');
        $this->assertDef('padding-top:20%;');
        $this->assertDef('padding:20% 10%;');
        $this->assertDef('padding-top:-20%;', false);
        $this->assertDef('text-indent:3em;');
        $this->assertDef('text-indent:5%;');
        $this->assertDef('text-indent:-3em;');
        $this->assertDef('width:50%;');
        $this->assertDef('width:50px;');
        $this->assertDef('width:auto;');
        $this->assertDef('width:-50px;', false);
        $this->assertDef('text-decoration:underline;');
        $this->assertDef('font-family:sans-serif;');
        $this->assertDef("font-family:Gill, 'Times New Roman', sans-serif;");
        $this->assertDef('font:12px serif;');
        $this->assertDef('border:1px solid #000;');
        $this->assertDef('border-bottom:2em double #FF00FA;');
        $this->assertDef('border-collapse:collapse;');
        $this->assertDef('border-collapse:separate;');
        $this->assertDef('caption-side:top;');
        $this->assertDef('vertical-align:middle;');
        $this->assertDef('vertical-align:12px;');
        $this->assertDef('vertical-align:50%;');
        $this->assertDef('table-layout:fixed;');
        $this->assertDef('list-style-image:url("nice.jpg");');
        $this->assertDef('list-style:disc url("nice.jpg") inside;');
        $this->assertDef('background-image:url("foo.jpg");');
        $this->assertDef('background-image:none;');
        $this->assertDef('background-repeat:repeat-y;');
        $this->assertDef('background-attachment:fixed;');
        $this->assertDef('background-position:left 90%;');
        $this->assertDef('border-spacing:1em;');
        $this->assertDef('border-spacing:1em 2em;');
        $this->assertDef('border-color: rgb(0, 0, 0) rgb(10,0,10)', 'border-color:rgb(0,0,0) rgb(10,0,10);');
        $this->assertDef('border: rgb(0, 0, 0)', 'border:rgb(0,0,0);');

        // duplicates
        $this->assertDef('text-align:right;text-align:left;',
                                          'text-align:left;');

        // a few composites
        $this->assertDef('font-variant:small-caps;font-weight:900;');
        $this->assertDef('float:right;text-align:right;');

        // selective removal
        $this->assertDef('text-transform:capitalize;destroy:it;',
                         'text-transform:capitalize;');

        // inherit works for everything
        $this->assertDef('text-align:inherit;');

        // bad props
        $this->assertDef('nodice:foobar;', false);
        $this->assertDef('position:absolute;', false);
        $this->assertDef('background-image:url(\'javascript:alert\(\)\');', false);

        // airy input
        $this->assertDef(' font-weight : bold; color : #ff0000',
                         'font-weight:bold;color:#ff0000;');

        // case-insensitivity
        $this->assertDef('FLOAT:LEFT;', 'float:left;');

        // !important stripping
        $this->assertDef('float:left !important;', 'float:left;');

    }

    public function testProprietary()
    {
        $this->config->set('CSS.Proprietary', true);

        $this->assertDef('scrollbar-arrow-color:#ff0;');
        $this->assertDef('scrollbar-base-color:#ff6347;');
        $this->assertDef('scrollbar-darkshadow-color:#ffa500;');
        $this->assertDef('scrollbar-face-color:#008080;');
        $this->assertDef('scrollbar-highlight-color:#ff69b4;');
        $this->assertDef('scrollbar-shadow-color:#f0f;');

        $this->assertDef('-moz-opacity:.2;');
        $this->assertDef('-khtml-opacity:.2;');
        $this->assertDef('filter:alpha(opacity=20);');

        $this->assertDef('border-top-left-radius:55pt 25pt;');

    }

    public function testImportant()
    {
        $this->config->set('CSS.AllowImportant', true);
        $this->assertDef('float:left !important;');
    }

    public function testTricky()
    {
        $this->config->set('CSS.AllowTricky', true);
        $this->assertDef('display:none;');
        $this->assertDef('visibility:visible;');
        $this->assertDef('overflow:scroll;');
        $this->assertDef('opacity:.2;');
    }

    public function testForbidden()
    {
        $this->config->set('CSS.ForbiddenProperties', 'float');
        $this->assertDef('float:left;', false);
        $this->assertDef('text-align:right;');
    }

    public function testTrusted()
    {
        $this->config->set('CSS.Trusted', true);
        $this->assertDef('position:relative;');
        $this->assertDef('left:2px;');
        $this->assertDef('right:100%;');
        $this->assertDef('top:auto;');
        $this->assertDef('z-index:-2;');
    }

    public function testAllowDuplicates()
    {
        $this->config->set('CSS.AllowDuplicates', true);
        $this->assertDef('text-align:right;text-align:left;');
        $this->assertDef('text-align:right;text-align:left;text-align:right;');
    }

}

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