diff options
Diffstat (limited to '3rdparty/htmlpurifier/library/HTMLPurifier/CSSDefinition.php')
| -rw-r--r-- | 3rdparty/htmlpurifier/library/HTMLPurifier/CSSDefinition.php | 328 |
1 files changed, 328 insertions, 0 deletions
diff --git a/3rdparty/htmlpurifier/library/HTMLPurifier/CSSDefinition.php b/3rdparty/htmlpurifier/library/HTMLPurifier/CSSDefinition.php new file mode 100644 index 000000000..7fdbe3a6a --- /dev/null +++ b/3rdparty/htmlpurifier/library/HTMLPurifier/CSSDefinition.php @@ -0,0 +1,328 @@ +<?php
+
+/**
+ * Defines allowed CSS attributes and what their values are.
+ * @see HTMLPurifier_HTMLDefinition
+ */
+class HTMLPurifier_CSSDefinition extends HTMLPurifier_Definition
+{
+
+ public $type = 'CSS';
+
+ /**
+ * Assoc array of attribute name to definition object.
+ */
+ public $info = array();
+
+ /**
+ * Constructs the info array. The meat of this class.
+ */
+ protected function doSetup($config) {
+
+ $this->info['text-align'] = new HTMLPurifier_AttrDef_Enum(
+ array('left', 'right', 'center', 'justify'), false);
+
+ $border_style =
+ $this->info['border-bottom-style'] =
+ $this->info['border-right-style'] =
+ $this->info['border-left-style'] =
+ $this->info['border-top-style'] = new HTMLPurifier_AttrDef_Enum(
+ array('none', 'hidden', 'dotted', 'dashed', 'solid', 'double',
+ 'groove', 'ridge', 'inset', 'outset'), false);
+
+ $this->info['border-style'] = new HTMLPurifier_AttrDef_CSS_Multiple($border_style);
+
+ $this->info['clear'] = new HTMLPurifier_AttrDef_Enum(
+ array('none', 'left', 'right', 'both'), false);
+ $this->info['float'] = new HTMLPurifier_AttrDef_Enum(
+ array('none', 'left', 'right'), false);
+ $this->info['font-style'] = new HTMLPurifier_AttrDef_Enum(
+ array('normal', 'italic', 'oblique'), false);
+ $this->info['font-variant'] = new HTMLPurifier_AttrDef_Enum(
+ array('normal', 'small-caps'), false);
+
+ $uri_or_none = new HTMLPurifier_AttrDef_CSS_Composite(
+ array(
+ new HTMLPurifier_AttrDef_Enum(array('none')),
+ new HTMLPurifier_AttrDef_CSS_URI()
+ )
+ );
+
+ $this->info['list-style-position'] = new HTMLPurifier_AttrDef_Enum(
+ array('inside', 'outside'), false);
+ $this->info['list-style-type'] = new HTMLPurifier_AttrDef_Enum(
+ array('disc', 'circle', 'square', 'decimal', 'lower-roman',
+ 'upper-roman', 'lower-alpha', 'upper-alpha', 'none'), false);
+ $this->info['list-style-image'] = $uri_or_none;
+
+ $this->info['list-style'] = new HTMLPurifier_AttrDef_CSS_ListStyle($config);
+
+ $this->info['text-transform'] = new HTMLPurifier_AttrDef_Enum(
+ array('capitalize', 'uppercase', 'lowercase', 'none'), false);
+ $this->info['color'] = new HTMLPurifier_AttrDef_CSS_Color();
+
+ $this->info['background-image'] = $uri_or_none;
+ $this->info['background-repeat'] = new HTMLPurifier_AttrDef_Enum(
+ array('repeat', 'repeat-x', 'repeat-y', 'no-repeat')
+ );
+ $this->info['background-attachment'] = new HTMLPurifier_AttrDef_Enum(
+ array('scroll', 'fixed')
+ );
+ $this->info['background-position'] = new HTMLPurifier_AttrDef_CSS_BackgroundPosition();
+
+ $border_color =
+ $this->info['border-top-color'] =
+ $this->info['border-bottom-color'] =
+ $this->info['border-left-color'] =
+ $this->info['border-right-color'] =
+ $this->info['background-color'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
+ new HTMLPurifier_AttrDef_Enum(array('transparent')),
+ new HTMLPurifier_AttrDef_CSS_Color()
+ ));
+
+ $this->info['background'] = new HTMLPurifier_AttrDef_CSS_Background($config);
+
+ $this->info['border-color'] = new HTMLPurifier_AttrDef_CSS_Multiple($border_color);
+
+ $border_width =
+ $this->info['border-top-width'] =
+ $this->info['border-bottom-width'] =
+ $this->info['border-left-width'] =
+ $this->info['border-right-width'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
+ new HTMLPurifier_AttrDef_Enum(array('thin', 'medium', 'thick')),
+ new HTMLPurifier_AttrDef_CSS_Length('0') //disallow negative
+ ));
+
+ $this->info['border-width'] = new HTMLPurifier_AttrDef_CSS_Multiple($border_width);
+
+ $this->info['letter-spacing'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
+ new HTMLPurifier_AttrDef_Enum(array('normal')),
+ new HTMLPurifier_AttrDef_CSS_Length()
+ ));
+
+ $this->info['word-spacing'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
+ new HTMLPurifier_AttrDef_Enum(array('normal')),
+ new HTMLPurifier_AttrDef_CSS_Length()
+ ));
+
+ $this->info['font-size'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
+ new HTMLPurifier_AttrDef_Enum(array('xx-small', 'x-small',
+ 'small', 'medium', 'large', 'x-large', 'xx-large',
+ 'larger', 'smaller')),
+ new HTMLPurifier_AttrDef_CSS_Percentage(),
+ new HTMLPurifier_AttrDef_CSS_Length()
+ ));
+
+ $this->info['line-height'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
+ new HTMLPurifier_AttrDef_Enum(array('normal')),
+ new HTMLPurifier_AttrDef_CSS_Number(true), // no negatives
+ new HTMLPurifier_AttrDef_CSS_Length('0'),
+ new HTMLPurifier_AttrDef_CSS_Percentage(true)
+ ));
+
+ $margin =
+ $this->info['margin-top'] =
+ $this->info['margin-bottom'] =
+ $this->info['margin-left'] =
+ $this->info['margin-right'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
+ new HTMLPurifier_AttrDef_CSS_Length(),
+ new HTMLPurifier_AttrDef_CSS_Percentage(),
+ new HTMLPurifier_AttrDef_Enum(array('auto'))
+ ));
+
+ $this->info['margin'] = new HTMLPurifier_AttrDef_CSS_Multiple($margin);
+
+ // non-negative
+ $padding =
+ $this->info['padding-top'] =
+ $this->info['padding-bottom'] =
+ $this->info['padding-left'] =
+ $this->info['padding-right'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
+ new HTMLPurifier_AttrDef_CSS_Length('0'),
+ new HTMLPurifier_AttrDef_CSS_Percentage(true)
+ ));
+
+ $this->info['padding'] = new HTMLPurifier_AttrDef_CSS_Multiple($padding);
+
+ $this->info['text-indent'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
+ new HTMLPurifier_AttrDef_CSS_Length(),
+ new HTMLPurifier_AttrDef_CSS_Percentage()
+ ));
+
+ $trusted_wh = new HTMLPurifier_AttrDef_CSS_Composite(array(
+ new HTMLPurifier_AttrDef_CSS_Length('0'),
+ new HTMLPurifier_AttrDef_CSS_Percentage(true),
+ new HTMLPurifier_AttrDef_Enum(array('auto'))
+ ));
+ $max = $config->get('CSS.MaxImgLength');
+
+ $this->info['width'] =
+ $this->info['height'] =
+ $max === null ?
+ $trusted_wh :
+ new HTMLPurifier_AttrDef_Switch('img',
+ // For img tags:
+ new HTMLPurifier_AttrDef_CSS_Composite(array(
+ new HTMLPurifier_AttrDef_CSS_Length('0', $max),
+ new HTMLPurifier_AttrDef_Enum(array('auto'))
+ )),
+ // For everyone else:
+ $trusted_wh
+ );
+
+ $this->info['text-decoration'] = new HTMLPurifier_AttrDef_CSS_TextDecoration();
+
+ $this->info['font-family'] = new HTMLPurifier_AttrDef_CSS_FontFamily();
+
+ // this could use specialized code
+ $this->info['font-weight'] = new HTMLPurifier_AttrDef_Enum(
+ array('normal', 'bold', 'bolder', 'lighter', '100', '200', '300',
+ '400', '500', '600', '700', '800', '900'), false);
+
+ // MUST be called after other font properties, as it references
+ // a CSSDefinition object
+ $this->info['font'] = new HTMLPurifier_AttrDef_CSS_Font($config);
+
+ // same here
+ $this->info['border'] =
+ $this->info['border-bottom'] =
+ $this->info['border-top'] =
+ $this->info['border-left'] =
+ $this->info['border-right'] = new HTMLPurifier_AttrDef_CSS_Border($config);
+
+ $this->info['border-collapse'] = new HTMLPurifier_AttrDef_Enum(array(
+ 'collapse', 'separate'));
+
+ $this->info['caption-side'] = new HTMLPurifier_AttrDef_Enum(array(
+ 'top', 'bottom'));
+
+ $this->info['table-layout'] = new HTMLPurifier_AttrDef_Enum(array(
+ 'auto', 'fixed'));
+
+ $this->info['vertical-align'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
+ new HTMLPurifier_AttrDef_Enum(array('baseline', 'sub', 'super',
+ 'top', 'text-top', 'middle', 'bottom', 'text-bottom')),
+ new HTMLPurifier_AttrDef_CSS_Length(),
+ new HTMLPurifier_AttrDef_CSS_Percentage()
+ ));
+
+ $this->info['border-spacing'] = new HTMLPurifier_AttrDef_CSS_Multiple(new HTMLPurifier_AttrDef_CSS_Length(), 2);
+
+ // These CSS properties don't work on many browsers, but we live
+ // in THE FUTURE!
+ $this->info['white-space'] = new HTMLPurifier_AttrDef_Enum(array('nowrap', 'normal', 'pre', 'pre-wrap', 'pre-line'));
+
+ if ($config->get('CSS.Proprietary')) {
+ $this->doSetupProprietary($config);
+ }
+
+ if ($config->get('CSS.AllowTricky')) {
+ $this->doSetupTricky($config);
+ }
+
+ if ($config->get('CSS.Trusted')) {
+ $this->doSetupTrusted($config);
+ }
+
+ $allow_important = $config->get('CSS.AllowImportant');
+ // wrap all attr-defs with decorator that handles !important
+ foreach ($this->info as $k => $v) {
+ $this->info[$k] = new HTMLPurifier_AttrDef_CSS_ImportantDecorator($v, $allow_important);
+ }
+
+ $this->setupConfigStuff($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();
+
+ // more CSS3
+ $this->info['page-break-after'] =
+ $this->info['page-break-before'] = new HTMLPurifier_AttrDef_Enum(array('auto','always','avoid','left','right'));
+ $this->info['page-break-inside'] = new HTMLPurifier_AttrDef_Enum(array('auto','avoid'));
+
+ }
+
+ protected function doSetupTricky($config) {
+ $this->info['display'] = new HTMLPurifier_AttrDef_Enum(array(
+ 'inline', 'block', 'list-item', 'run-in', 'compact',
+ 'marker', 'table', 'inline-block', 'inline-table', 'table-row-group',
+ 'table-header-group', 'table-footer-group', 'table-row',
+ 'table-column-group', 'table-column', 'table-cell', 'table-caption', 'none'
+ ));
+ $this->info['visibility'] = new HTMLPurifier_AttrDef_Enum(array(
+ 'visible', 'hidden', 'collapse'
+ ));
+ $this->info['overflow'] = new HTMLPurifier_AttrDef_Enum(array('visible', 'hidden', 'auto', 'scroll'));
+ }
+
+ protected function doSetupTrusted($config) {
+ $this->info['position'] = new HTMLPurifier_AttrDef_Enum(array(
+ 'static', 'relative', 'absolute', 'fixed'
+ ));
+ $this->info['top'] =
+ $this->info['left'] =
+ $this->info['right'] =
+ $this->info['bottom'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
+ new HTMLPurifier_AttrDef_CSS_Length(),
+ new HTMLPurifier_AttrDef_CSS_Percentage(),
+ new HTMLPurifier_AttrDef_Enum(array('auto')),
+ ));
+ $this->info['z-index'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
+ new HTMLPurifier_AttrDef_Integer(),
+ new HTMLPurifier_AttrDef_Enum(array('auto')),
+ ));
+ }
+
+ /**
+ * Performs extra config-based processing. Based off of
+ * HTMLPurifier_HTMLDefinition.
+ * @todo Refactor duplicate elements into common class (probably using
+ * composition, not inheritance).
+ */
+ protected function setupConfigStuff($config) {
+
+ // setup allowed elements
+ $support = "(for information on implementing this, see the ".
+ "support forums) ";
+ $allowed_properties = $config->get('CSS.AllowedProperties');
+ if ($allowed_properties !== null) {
+ foreach ($this->info as $name => $d) {
+ if(!isset($allowed_properties[$name])) unset($this->info[$name]);
+ unset($allowed_properties[$name]);
+ }
+ // emit errors
+ foreach ($allowed_properties as $name => $d) {
+ // :TODO: Is this htmlspecialchars() call really necessary?
+ $name = htmlspecialchars($name);
+ trigger_error("Style attribute '$name' is not supported $support", E_USER_WARNING);
+ }
+ }
+
+ $forbidden_properties = $config->get('CSS.ForbiddenProperties');
+ if ($forbidden_properties !== null) {
+ foreach ($this->info as $name => $d) {
+ if (isset($forbidden_properties[$name])) {
+ unset($this->info[$name]);
+ }
+ }
+ }
+
+ }
+}
+
+// vim: et sw=4 sts=4
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