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[3.0.0] [BACKPORT] More work for hire from Chris

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! Experimental support for some proprietary CSS attributes allowed: opacity (and all of the browser-specific equivalents) and scrollbar colors. Enable by setting %CSS.Proprietary to true.
- Colors missing # but in hex form will be corrected
- CSS Number algorithm improved
. New classes:
  + HTMLPurifier_AttrDef_CSS_AlphaValue
  + HTMLPurifier_AttrDef_CSS_Filter

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1473 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
2007-12-16 23:16:45 +00:00
parent a840c24796
commit 0f961c6af4
12 changed files with 237 additions and 12 deletions
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33
library/HTMLPurifier/CSSDefinition.php
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@@ -2,11 +2,13 @@
require_once 'HTMLPurifier/Definition.php';
require_once 'HTMLPurifier/AttrDef/CSS/AlphaValue.php';
require_once 'HTMLPurifier/AttrDef/CSS/Background.php';
require_once 'HTMLPurifier/AttrDef/CSS/BackgroundPosition.php';
require_once 'HTMLPurifier/AttrDef/CSS/Border.php';
require_once 'HTMLPurifier/AttrDef/CSS/Color.php';
require_once 'HTMLPurifier/AttrDef/CSS/Composite.php';
require_once 'HTMLPurifier/AttrDef/CSS/Filter.php';
require_once 'HTMLPurifier/AttrDef/CSS/Font.php';
require_once 'HTMLPurifier/AttrDef/CSS/FontFamily.php';
require_once 'HTMLPurifier/AttrDef/CSS/Length.php';
@@ -26,6 +28,14 @@ HTMLPurifier_ConfigSchema::define(
</p>
');
HTMLPurifier_ConfigSchema::define(
'CSS', 'Proprietary', false, 'bool', '
<p>
Whether or not to allow safe, proprietary CSS values. This directive
has been available since 3.0.0.
</p>
');
/**
* Defines allowed CSS attributes and what their values are.
* @see HTMLPurifier_HTMLDefinition
@@ -224,6 +234,29 @@ class HTMLPurifier_CSSDefinition extends HTMLPurifier_Definition
// partial support
$this->info['white-space'] = new HTMLPurifier_AttrDef_Enum(array('nowrap'));
if ($config->get('CSS', 'Proprietary')) {
$this->doSetupProprietary($config);
}
}
protected function doSetupProprietary($config) {
// Internet Explorer only scrollbar colors
$this->info['scrollbar-arrow-color'] = new HTMLPurifier_AttrDef_CSS_Color();
$this->info['scrollbar-base-color'] = new HTMLPurifier_AttrDef_CSS_Color();
$this->info['scrollbar-darkshadow-color'] = new HTMLPurifier_AttrDef_CSS_Color();
$this->info['scrollbar-face-color'] = new HTMLPurifier_AttrDef_CSS_Color();
$this->info['scrollbar-highlight-color'] = new HTMLPurifier_AttrDef_CSS_Color();
$this->info['scrollbar-shadow-color'] = new HTMLPurifier_AttrDef_CSS_Color();
// technically not proprietary, but CSS3, and no one supports it
$this->info['opacity'] = new HTMLPurifier_AttrDef_CSS_AlphaValue();
$this->info['-moz-opacity'] = new HTMLPurifier_AttrDef_CSS_AlphaValue();
$this->info['-khtml-opacity'] = new HTMLPurifier_AttrDef_CSS_AlphaValue();
// only opacity, for now
$this->info['filter'] = new HTMLPurifier_AttrDef_CSS_Filter();
}
}