if ( ! defined( 'CUSTOM_TAGS' ) )
define( 'CUSTOM_TAGS', false );
+// Ensure that these variables are added to the global namespace
+// (e.g. if using namespaces / autoload in the current PHP environment).
+global $allowedposttags, $allowedtags, $allowedentitynames;
+
if ( ! CUSTOM_TAGS ) {
/**
* Kses global for default allowable HTML tags.
'lang' => true,
'xml:lang' => true,
),
+ 'audio' => array(
+ 'autoplay' => true,
+ 'controls' => true,
+ 'loop' => true,
+ 'muted' => true,
+ 'preload' => true,
+ 'src' => true,
+ ),
'b' => array(),
'big' => array(),
'blockquote' => array(
'valign' => true,
'width' => true,
),
+ 'colgroup' => array(
+ 'align' => true,
+ 'char' => true,
+ 'charoff' => true,
+ 'span' => true,
+ 'valign' => true,
+ 'width' => true,
+ ),
'del' => array(
'datetime' => true,
),
'dd' => array(),
+ 'dfn' => array(),
'details' => array(
'align' => true,
'dir' => true,
),
'li' => array(
'align' => true,
+ 'value' => true,
),
'map' => array(
'name' => true,
),
+ 'mark' => array(),
'menu' => array(
'type' => true,
),
'cite' => true,
),
's' => array(),
+ 'samp' => array(),
'span' => array(
'dir' => true,
'align' => true,
'charoff' => true,
'valign' => true,
),
+ 'track' => array(
+ 'default' => true,
+ 'kind' => true,
+ 'label' => true,
+ 'src' => true,
+ 'srclang' => true,
+ ),
'tt' => array(),
'u' => array(),
'ul' => array(
'type' => true,
),
'var' => array(),
+ 'video' => array(
+ 'autoplay' => true,
+ 'controls' => true,
+ 'height' => true,
+ 'loop' => true,
+ 'muted' => true,
+ 'poster' => true,
+ 'preload' => true,
+ 'src' => true,
+ 'width' => true,
+ ),
);
/**
'nsub', 'sube', 'supe', 'oplus', 'otimes', 'perp',
'sdot', 'lceil', 'rceil', 'lfloor', 'rfloor', 'lang',
'rang', 'loz', 'spades', 'clubs', 'hearts', 'diams',
+ 'sup1', 'sup2', 'sup3', 'frac14', 'frac12', 'frac34',
+ 'there4',
);
$allowedposttags = array_map( '_wp_add_global_attributes', $allowedposttags );
function wp_kses_allowed_html( $context = '' ) {
global $allowedposttags, $allowedtags, $allowedentitynames;
- if ( is_array( $context ) )
+ if ( is_array( $context ) ) {
+ /**
+ * Filter HTML elements allowed for a given context.
+ *
+ * @since 3.5.0
+ *
+ * @param string $tags Allowed tags, attributes, and/or entities.
+ * @param string $context Context to judge allowed tags by. Allowed values are 'post',
+ * 'data', 'strip', 'entities', 'explicit', or the name of a filter.
+ */
return apply_filters( 'wp_kses_allowed_html', $context, 'explicit' );
+ }
switch ( $context ) {
case 'post':
+ /** This filter is documented in wp-includes/kses.php */
return apply_filters( 'wp_kses_allowed_html', $allowedposttags, $context );
break;
case 'user_description':
case 'pre_user_description':
$tags = $allowedtags;
$tags['a']['rel'] = true;
+ /** This filter is documented in wp-includes/kses.php */
return apply_filters( 'wp_kses_allowed_html', $tags, $context );
break;
case 'strip':
+ /** This filter is documented in wp-includes/kses.php */
return apply_filters( 'wp_kses_allowed_html', array(), $context );
break;
case 'entities':
+ /** This filter is documented in wp-includes/kses.php */
return apply_filters( 'wp_kses_allowed_html', $allowedentitynames, $context);
break;
case 'data':
default:
+ /** This filter is documented in wp-includes/kses.php */
return apply_filters( 'wp_kses_allowed_html', $allowedtags, $context );
}
}
* @return string Filtered content through 'pre_kses' hook
*/
function wp_kses_hook( $string, $allowed_html, $allowed_protocols ) {
- $string = apply_filters('pre_kses', $string, $allowed_html, $allowed_protocols);
+ /**
+ * Filter content to be run through kses.
+ *
+ * @since 2.3.0
+ *
+ * @param string $string Content to run through kses.
+ * @param array $allowed_html Allowed HTML elements.
+ * @param array $allowed_protocols Allowed protocol in links.
+ */
+ $string = apply_filters( 'pre_kses', $string, $allowed_html, $allowed_protocols );
return $string;
}
*
* @access private
* @since 1.0.0
- * @uses wp_kses_attr()
*
* @param string $string Content to filter
* @param array $allowed_html Allowed HTML elements
switch ($mode) {
case 0 : # attribute name, href for instance
- if (preg_match('/^([-a-zA-Z]+)/', $attr, $match)) {
+ if ( preg_match('/^([-a-zA-Z:]+)/', $attr, $match ) ) {
$attrname = $match[1];
$working = $mode = 1;
- $attr = preg_replace('/^[-a-zA-Z]+/', '', $attr);
+ $attr = preg_replace( '/^[-a-zA-Z:]+/', '', $attr );
}
break;
}
/**
- * Removes any null characters in $string.
+ * Removes any invalid control characters in $string.
+ *
+ * Also removes any instance of the '\0' string.
*
* @since 1.0.0
*
* @return string
*/
function wp_kses_no_null($string) {
- $string = preg_replace('/\0+/', '', $string);
+ $string = preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F]/', '', $string);
$string = preg_replace('/(\\\\0)+/', '', $string);
return $string;
/**
* Converts and fixes HTML entities.
*
- * This function normalizes HTML entities. It will convert "AT&T" to the correct
- * "AT&T", ":" to ":", "&#XYZZY;" to "&#XYZZY;" and so on.
+ * This function normalizes HTML entities. It will convert `AT&T` to the correct
+ * `AT&T`, `:` to `:`, `&#XYZZY;` to `&#XYZZY;` and so on.
*
* @since 1.0.0
*
# Change back the allowed entities in our entity whitelist
- $string = preg_replace_callback('/&([A-Za-z]{2,8});/', 'wp_kses_named_entities', $string);
+ $string = preg_replace_callback('/&([A-Za-z]{2,8}[0-9]{0,2});/', 'wp_kses_named_entities', $string);
$string = preg_replace_callback('/&#(0*[0-9]{1,7});/', 'wp_kses_normalize_entities2', $string);
$string = preg_replace_callback('/&#[Xx](0*[0-9A-Fa-f]{1,6});/', 'wp_kses_normalize_entities3', $string);
/**
* Callback for wp_kses_normalize_entities() regular expression.
*
- * This function helps wp_kses_normalize_entities() to only accept 16-bit values
- * and nothing more for &#number; entities.
+ * This function helps {@see wp_kses_normalize_entities()} to only accept 16-bit
+ * values and nothing more for `&#number;` entities.
*
* @access private
* @since 1.0.0
/**
* Convert all entities to their character counterparts.
*
- * This function decodes numeric HTML entities (A and A). It doesn't do
- * anything with other entities like ä, but we don't need them in the URL
- * protocol whitelisting system anyway.
+ * This function decodes numeric HTML entities (`A` and `A`).
+ * It doesn't do anything with other entities like ä, but we don't
+ * need them in the URL protocol whitelisting system anyway.
*
* @since 1.0.0
*
* Sanitize content with allowed HTML Kses rules.
*
* @since 1.0.0
- * @uses $allowedtags
*
* @param string $data Content to filter, expected to be escaped with slashes
* @return string Filtered content
* Sanitize content with allowed HTML Kses rules.
*
* @since 2.9.0
- * @uses $allowedtags
*
* @param string $data Content to filter, expected to not be escaped
* @return string Filtered content
* 'excerpt_save_pre', and 'content_filtered_save_pre' hooks.
*
* @since 2.0.0
- * @uses add_filter() See description for what functions are added to what hooks.
*/
function kses_init_filters() {
// Normal filtering
* to have Kses filter the content. If the user does not have unfiltered_html
* capability, then Kses filters are added.
*
- * @uses kses_remove_filters() Removes the Kses filters
- * @uses kses_init_filters() Adds the Kses filters back if the user
- * does not have unfiltered HTML capability.
* @since 2.0.0
*/
function kses_init() {
$css = wp_kses_no_null($css);
$css = str_replace(array("\n","\r","\t"), '', $css);
- if ( preg_match( '%[\\(&=}]|/\*%', $css ) ) // remove any inline css containing \ ( & } = or comments
+ if ( preg_match( '%[\\\\(&=}]|/\*%', $css ) ) // remove any inline css containing \ ( & } = or comments
return '';
$css_array = explode( ';', trim( $css ) );
+
+ /**
+ * Filter list of allowed CSS attributes.
+ *
+ * @since 2.8.1
+ *
+ * @param array $attr List of allowed CSS attributes.
+ */
$allowed_attr = apply_filters( 'safe_style_css', array( 'text-align', 'margin', 'color', 'float',
'border', 'background', 'background-color', 'border-bottom', 'border-bottom-color',
'border-bottom-style', 'border-bottom-width', 'border-collapse', 'border-color', 'border-left',
'id' => true,
'style' => true,
'title' => true,
+ 'role' => true,
);
if ( true === $value )
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