/**
* You can override this in a plugin.
*
+ * The wp_kses_allowed_html filter is more powerful and supplies context.
+ * CUSTOM_TAGS is not recommended and should be considered deprecated.
+ *
+ * @see wp_kses_allowed_html()
+ *
* @since 1.2.0
*/
if ( ! defined( 'CUSTOM_TAGS' ) )
$allowedposttags = array(
'address' => array(),
'a' => array(
- 'class' => true,
'href' => true,
- 'id' => true,
- 'title' => true,
'rel' => true,
'rev' => true,
'name' => true,
'target' => true,
),
- 'abbr' => array(
- 'class' => true,
- 'title' => true,
- ),
- 'acronym' => array(
- 'title' => true,
+ 'abbr' => array(),
+ 'acronym' => array(),
+ 'area' => array(
+ 'alt' => true,
+ 'coords' => true,
+ 'href' => true,
+ 'nohref' => true,
+ 'shape' => true,
+ 'target' => true,
),
'article' => array(
'align' => true,
- 'class' => true,
'dir' => true,
'lang' => true,
- 'style' => true,
'xml:lang' => true,
),
'aside' => array(
'align' => true,
- 'class' => true,
'dir' => true,
'lang' => true,
- 'style' => true,
'xml:lang' => true,
),
'b' => array(),
'big' => array(),
'blockquote' => array(
- 'id' => true,
'cite' => true,
- 'class' => true,
'lang' => true,
'xml:lang' => true,
),
- 'br' => array (
- 'class' => true,
- ),
+ 'br' => array(),
'button' => array(
'disabled' => true,
'name' => true,
),
'caption' => array(
'align' => true,
- 'class' => true,
),
- 'cite' => array (
- 'class' => true,
+ 'cite' => array(
'dir' => true,
'lang' => true,
- 'title' => true,
- ),
- 'code' => array (
- 'style' => true,
),
+ 'code' => array(),
'col' => array(
'align' => true,
'char' => true,
'charoff' => true,
'span' => true,
'dir' => true,
- 'style' => true,
'valign' => true,
'width' => true,
),
'dd' => array(),
'details' => array(
'align' => true,
- 'class' => true,
'dir' => true,
'lang' => true,
'open' => true,
- 'style' => true,
'xml:lang' => true,
),
'div' => array(
'align' => true,
- 'class' => true,
'dir' => true,
'lang' => true,
- 'style' => true,
'xml:lang' => true,
),
'dl' => array(),
'fieldset' => array(),
'figure' => array(
'align' => true,
- 'class' => true,
'dir' => true,
'lang' => true,
- 'style' => true,
'xml:lang' => true,
),
'figcaption' => array(
'align' => true,
- 'class' => true,
'dir' => true,
'lang' => true,
- 'style' => true,
'xml:lang' => true,
),
'font' => array(
),
'footer' => array(
'align' => true,
- 'class' => true,
'dir' => true,
'lang' => true,
- 'style' => true,
'xml:lang' => true,
),
'form' => array(
),
'h1' => array(
'align' => true,
- 'class' => true,
- 'id' => true,
- 'style' => true,
),
- 'h2' => array (
+ 'h2' => array(
'align' => true,
- 'class' => true,
- 'id' => true,
- 'style' => true,
),
- 'h3' => array (
+ 'h3' => array(
'align' => true,
- 'class' => true,
- 'id' => true,
- 'style' => true,
),
- 'h4' => array (
+ 'h4' => array(
'align' => true,
- 'class' => true,
- 'id' => true,
- 'style' => true,
),
- 'h5' => array (
+ 'h5' => array(
'align' => true,
- 'class' => true,
- 'id' => true,
- 'style' => true,
),
- 'h6' => array (
+ 'h6' => array(
'align' => true,
- 'class' => true,
- 'id' => true,
- 'style' => true,
),
'header' => array(
'align' => true,
- 'class' => true,
'dir' => true,
'lang' => true,
- 'style' => true,
'xml:lang' => true,
),
'hgroup' => array(
'align' => true,
- 'class' => true,
'dir' => true,
'lang' => true,
- 'style' => true,
'xml:lang' => true,
),
- 'hr' => array (
+ 'hr' => array(
'align' => true,
- 'class' => true,
'noshade' => true,
'size' => true,
'width' => true,
'alt' => true,
'align' => true,
'border' => true,
- 'class' => true,
'height' => true,
'hspace' => true,
'longdesc' => true,
'vspace' => true,
'src' => true,
- 'style' => true,
+ 'usemap' => true,
'width' => true,
),
'ins' => array(
'legend' => array(
'align' => true,
),
- 'li' => array (
+ 'li' => array(
'align' => true,
- 'class' => true,
),
- 'menu' => array (
- 'class' => true,
- 'style' => true,
+ 'map' => array(
+ 'name' => true,
+ ),
+ 'menu' => array(
'type' => true,
),
'nav' => array(
'align' => true,
- 'class' => true,
'dir' => true,
'lang' => true,
- 'style' => true,
'xml:lang' => true,
),
'p' => array(
- 'class' => true,
'align' => true,
'dir' => true,
'lang' => true,
- 'style' => true,
'xml:lang' => true,
),
'pre' => array(
- 'style' => true,
'width' => true,
),
'q' => array(
'cite' => true,
),
's' => array(),
- 'span' => array (
- 'class' => true,
+ 'span' => array(
'dir' => true,
'align' => true,
'lang' => true,
- 'style' => true,
- 'title' => true,
'xml:lang' => true,
),
'section' => array(
'align' => true,
- 'class' => true,
'dir' => true,
'lang' => true,
- 'style' => true,
'xml:lang' => true,
),
+ 'small' => array(),
'strike' => array(),
'strong' => array(),
'sub' => array(),
'summary' => array(
'align' => true,
- 'class' => true,
'dir' => true,
'lang' => true,
- 'style' => true,
'xml:lang' => true,
),
'sup' => array(),
'border' => true,
'cellpadding' => true,
'cellspacing' => true,
- 'class' => true,
'dir' => true,
- 'id' => true,
'rules' => true,
- 'style' => true,
'summary' => true,
'width' => true,
),
'bgcolor' => true,
'char' => true,
'charoff' => true,
- 'class' => true,
'colspan' => true,
'dir' => true,
'headers' => true,
'nowrap' => true,
'rowspan' => true,
'scope' => true,
- 'style' => true,
'valign' => true,
'width' => true,
),
'tfoot' => array(
'align' => true,
'char' => true,
- 'class' => true,
'charoff' => true,
'valign' => true,
),
'bgcolor' => true,
'char' => true,
'charoff' => true,
- 'class' => true,
'colspan' => true,
'headers' => true,
'height' => true,
'align' => true,
'char' => true,
'charoff' => true,
- 'class' => true,
'valign' => true,
),
'title' => array(),
'bgcolor' => true,
'char' => true,
'charoff' => true,
- 'class' => true,
- 'style' => true,
'valign' => true,
),
'tt' => array(),
'u' => array(),
- 'ul' => array (
- 'class' => true,
- 'style' => true,
+ 'ul' => array(
'type' => true,
),
- 'ol' => array (
- 'class' => true,
+ 'ol' => array(
'start' => true,
- 'style' => true,
'type' => true,
),
'var' => array(),
'blockquote' => array(
'cite' => true,
),
- // 'br' => array(),
'cite' => array(),
'code' => array(),
'del' => array(
'datetime' => true,
),
- // 'dd' => array(),
- // 'dl' => array(),
- // 'dt' => array(),
- 'em' => array (), 'i' => array (),
- // 'ins' => array('datetime' => array(), 'cite' => array()),
- // 'li' => array(),
- // 'ol' => array(),
- // 'p' => array(),
+ 'em' => array(),
+ 'i' => array(),
'q' => array(
'cite' => true,
),
'strike' => array(),
'strong' => array(),
- // 'sub' => array(),
- // 'sup' => array(),
- // 'u' => array(),
- // 'ul' => array(),
);
$allowedentitynames = array(
'sdot', 'lceil', 'rceil', 'lfloor', 'rfloor', 'lang',
'rang', 'loz', 'spades', 'clubs', 'hearts', 'diams',
);
+
+ $allowedposttags = array_map( '_wp_add_global_attributes', $allowedposttags );
+} else {
+ $allowedtags = wp_kses_array_lc( $allowedtags );
+ $allowedposttags = wp_kses_array_lc( $allowedposttags );
}
/**
* @param array $allowed_protocols Optional. Allowed protocol in links.
* @return string Filtered content with only allowed HTML elements
*/
-function wp_kses($string, $allowed_html, $allowed_protocols = array ()) {
+function wp_kses( $string, $allowed_html, $allowed_protocols = array() ) {
if ( empty( $allowed_protocols ) )
$allowed_protocols = wp_allowed_protocols();
$string = wp_kses_no_null($string);
$string = wp_kses_js_entities($string);
$string = wp_kses_normalize_entities($string);
- $allowed_html_fixed = wp_kses_array_lc($allowed_html);
- $string = wp_kses_hook($string, $allowed_html_fixed, $allowed_protocols); // WP changed the order of these funcs and added args to wp_kses_hook
- return wp_kses_split($string, $allowed_html_fixed, $allowed_protocols);
+ $string = wp_kses_hook($string, $allowed_html, $allowed_protocols); // WP changed the order of these funcs and added args to wp_kses_hook
+ return wp_kses_split($string, $allowed_html, $allowed_protocols);
+}
+
+/**
+ * Return a list of allowed tags and attributes for a given context.
+ *
+ * @since 3.5.0
+ *
+ * @param string $context The context for which to retrieve tags. Allowed values are
+ * post | strip | data | entities or the name of a field filter such as pre_user_description.
+ * @return array List of allowed tags and their allowed attributes.
+ */
+function wp_kses_allowed_html( $context = '' ) {
+ global $allowedposttags, $allowedtags, $allowedentitynames;
+
+ if ( is_array( $context ) )
+ return apply_filters( 'wp_kses_allowed_html', $context, 'explicit' );
+
+ switch ( $context ) {
+ case 'post':
+ return apply_filters( 'wp_kses_allowed_html', $allowedposttags, $context );
+ break;
+ case 'user_description':
+ case 'pre_user_description':
+ $tags = $allowedtags;
+ $tags['a']['rel'] = true;
+ return apply_filters( 'wp_kses_allowed_html', $tags, $context );
+ break;
+ case 'strip':
+ return apply_filters( 'wp_kses_allowed_html', array(), $context );
+ break;
+ case 'entities':
+ return apply_filters( 'wp_kses_allowed_html', $allowedentitynames, $context);
+ break;
+ case 'data':
+ default:
+ return apply_filters( 'wp_kses_allowed_html', $allowedtags, $context );
+ }
}
/**
* @param array $allowed_protocols Allowed protocol in links
* @return string Filtered content through 'pre_kses' hook
*/
-function wp_kses_hook($string, $allowed_html, $allowed_protocols) {
+function wp_kses_hook( $string, $allowed_html, $allowed_protocols ) {
$string = apply_filters('pre_kses', $string, $allowed_html, $allowed_protocols);
return $string;
}
* @param array $allowed_protocols Allowed protocols to keep
* @return string Content with fixed HTML tags
*/
-function wp_kses_split($string, $allowed_html, $allowed_protocols) {
+function wp_kses_split( $string, $allowed_html, $allowed_protocols ) {
global $pass_allowed_html, $pass_allowed_protocols;
$pass_allowed_html = $allowed_html;
$pass_allowed_protocols = $allowed_protocols;
$elem = $matches[2];
$attrlist = $matches[3];
+ if ( ! is_array( $allowed_html ) )
+ $allowed_html = wp_kses_allowed_html( $allowed_html );
+
if ( ! isset($allowed_html[strtolower($elem)]) )
return '';
# They are using a not allowed HTML element
function wp_kses_attr($element, $attr, $allowed_html, $allowed_protocols) {
# Is there a closing XHTML slash at the end of the attributes?
+ if ( ! is_array( $allowed_html ) )
+ $allowed_html = wp_kses_allowed_html( $allowed_html );
+
$xhtml_slash = '';
if (preg_match('%\s*/\s*$%', $attr))
$xhtml_slash = ' /';
* @return array List of attributes after parsing
*/
function wp_kses_hair($attr, $allowed_protocols) {
- $attrarr = array ();
+ $attrarr = array();
$mode = 0;
$attrname = '';
$uris = array('xmlns', 'profile', 'href', 'src', 'cite', 'classid', 'codebase', 'data', 'usemap', 'longdesc', 'action');
* @param string $data Content to filter, expected to be escaped with slashes
* @return string Filtered content
*/
-function wp_filter_kses($data) {
- global $allowedtags;
- return addslashes( wp_kses(stripslashes( $data ), $allowedtags) );
+function wp_filter_kses( $data ) {
+ return addslashes( wp_kses( stripslashes( $data ), current_filter() ) );
}
/**
* @param string $data Content to filter, expected to not be escaped
* @return string Filtered content
*/
-function wp_kses_data($data) {
- global $allowedtags;
- return wp_kses( $data , $allowedtags );
+function wp_kses_data( $data ) {
+ return wp_kses( $data , current_filter() );
}
/**
* data from forms.
*
* @since 2.0.0
- * @uses $allowedposttags
*
* @param string $data Post content to filter, expected to be escaped with slashes
* @return string Filtered post content with allowed HTML tags and attributes intact.
*/
function wp_filter_post_kses($data) {
- global $allowedposttags;
- return addslashes ( wp_kses(stripslashes( $data ), $allowedposttags) );
+ return addslashes ( wp_kses( stripslashes( $data ), 'post' ) );
}
/**
* data from forms.
*
* @since 2.9.0
- * @uses $allowedposttags
*
* @param string $data Post content to filter
* @return string Filtered post content with allowed HTML tags and attributes intact.
*/
function wp_kses_post($data) {
- global $allowedposttags;
- return wp_kses( $data , $allowedposttags );
+ return wp_kses( $data , 'post' );
}
/**
* @param string $data Content to strip all HTML from
* @return string Filtered content without any HTML
*/
-function wp_filter_nohtml_kses($data) {
- return addslashes ( wp_kses(stripslashes( $data ), array()) );
+function wp_filter_nohtml_kses( $data ) {
+ return addslashes ( wp_kses( stripslashes( $data ), 'strip' ) );
}
/**
return $css;
}
+
+/**
+ * Helper function to add global attributes to a tag in the allowed html list.
+ *
+ * @since 3.5.0
+ * @access private
+ *
+ * @param array $value An array of attributes.
+ * @return array The array of attributes with global attributes added.
+ */
+function _wp_add_global_attributes( $value ) {
+ $global_attributes = array(
+ 'class' => true,
+ 'id' => true,
+ 'style' => true,
+ 'title' => true,
+ );
+
+ if ( true === $value )
+ $value = array();
+
+ if ( is_array( $value ) )
+ return array_merge( $value, $global_attributes );
+
+ return $value;
+}