/**
* 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.
+ * The {@see '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()
*
'src' => true,
),
'b' => array(),
+ 'bdo' => array(
+ 'dir' => true,
+ ),
'big' => array(),
'blockquote' => array(
'cite' => true,
'ol' => array(
'start' => true,
'type' => true,
+ 'reversed' => true,
),
'var' => array(),
'video' => array(
*
* @since 1.0.0
*
- * @param string $string Content to filter through kses
- * @param array $allowed_html List of allowed HTML elements
- * @param array $allowed_protocols Optional. Allowed protocol in links.
+ * @param string $string Content to filter through kses
+ * @param array $allowed_html List of allowed HTML elements
+ * @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() ) {
if ( empty( $allowed_protocols ) )
$allowed_protocols = wp_allowed_protocols();
- $string = wp_kses_no_null($string);
+ $string = wp_kses_no_null( $string, array( 'slash_zero' => 'keep' ) );
$string = wp_kses_js_entities($string);
$string = wp_kses_normalize_entities($string);
$string = wp_kses_hook($string, $allowed_html, $allowed_protocols); // WP changed the order of these funcs and added args to wp_kses_hook
$allowed_protocols = wp_allowed_protocols();
$string = wp_kses_no_null( $string, array( 'slash_zero' => 'keep' ) );
$string = wp_kses_js_entities( $string );
- $string = wp_kses_normalize_entities( $string );
-
+
// Preserve leading and trailing whitespace.
$matches = array();
preg_match('/^\s*/', $string, $matches);
$quote = '"';
}
- // Sanitize quotes and angle braces.
- $value = htmlspecialchars( $value, ENT_QUOTES, null, false );
+ // Sanitize quotes, angle braces, and entities.
+ $value = esc_attr( $value );
// Sanitize URI values.
if ( in_array( strtolower( $name ), $uris ) ) {
*
* @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.
+ * @global array $allowedposttags
+ * @global array $allowedtags
+ * @global array $allowedentitynames
+ *
+ * @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 = '' ) {
if ( is_array( $context ) ) {
/**
- * Filter HTML elements allowed for a given context.
+ * Filters HTML elements allowed for a given context.
*
* @since 3.5.0
*
/**
* You add any kses hooks here.
*
- * There is currently only one kses WordPress hook and it is called here. All
- * parameters are passed to the hooks and expected to receive a string.
+ * There is currently only one kses WordPress hook, {@see 'pre_kses'}, and it is called here.
+ * All parameters are passed to the hooks and expected to receive a string.
*
* @since 1.0.0
*
- * @param string $string Content to filter through kses
- * @param array $allowed_html List of allowed HTML elements
- * @param array $allowed_protocols Allowed protocol in links
- * @return string Filtered content through 'pre_kses' hook
+ * @param string $string Content to filter through kses
+ * @param array $allowed_html List of allowed HTML elements
+ * @param array $allowed_protocols Allowed protocol in links
+ * @return string Filtered content through {@see 'pre_kses'} hook.
*/
function wp_kses_hook( $string, $allowed_html, $allowed_protocols ) {
/**
- * Filter content to be run through kses.
+ * Filters content to be run through kses.
*
* @since 2.3.0
*
* @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;
+ return apply_filters( 'pre_kses', $string, $allowed_html, $allowed_protocols );
}
/**
*
* @since 1.0.0
*
- * @param string $string Content to filter
- * @param array $allowed_html Allowed HTML elements
- * @param array $allowed_protocols Allowed protocols to keep
+ * @global array $pass_allowed_html
+ * @global array $pass_allowed_protocols
+ *
+ * @param string $string Content to filter
+ * @param array $allowed_html Allowed HTML elements
+ * @param array $allowed_protocols Allowed protocols to keep
* @return string Content with fixed HTML tags
*/
function wp_kses_split( $string, $allowed_html, $allowed_protocols ) {
*
* @since 3.1.0
* @access private
+ *
+ * @global array $pass_allowed_html
+ * @global array $pass_allowed_protocols
+ *
+ * @return string
*/
function _wp_kses_split_callback( $match ) {
global $pass_allowed_html, $pass_allowed_protocols;
* @access private
* @since 1.0.0
*
- * @param string $string Content to filter
- * @param array $allowed_html Allowed HTML elements
- * @param array $allowed_protocols Allowed protocols to keep
+ * @param string $string Content to filter
+ * @param array $allowed_html Allowed HTML elements
+ * @param array $allowed_protocols Allowed protocols to keep
* @return string Fixed HTML element
*/
function wp_kses_split2($string, $allowed_html, $allowed_protocols) {
*
* @since 1.0.0
*
- * @param string $element HTML element/tag
- * @param string $attr HTML attributes from HTML element to closing HTML element tag
- * @param array $allowed_html Allowed HTML elements
- * @param array $allowed_protocols Allowed protocols to keep
+ * @param string $element HTML element/tag
+ * @param string $attr HTML attributes from HTML element to closing HTML element tag
+ * @param array $allowed_html Allowed HTML elements
+ * @param array $allowed_protocols Allowed protocols to keep
* @return string Sanitized HTML element
*/
function wp_kses_attr($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 );
+ // Is there a closing XHTML slash at the end of the attributes?
$xhtml_slash = '';
if (preg_match('%\s*/\s*$%', $attr))
$xhtml_slash = ' /';
*
* @since 1.0.0
*
- * @param string $attr Attribute list from HTML element to closing HTML element tag
- * @param array $allowed_protocols Allowed protocols to keep
+ * @param string $attr Attribute list from HTML element to closing HTML element tag
+ * @param array $allowed_protocols Allowed protocols to keep
* @return array List of attributes after parsing
*/
function wp_kses_hair($attr, $allowed_protocols) {
*
* @since 1.0.0
*
- * @param string $value Attribute value
- * @param string $vless Whether the value is valueless. Use 'y' or 'n'
- * @param string $checkname What $checkvalue is checking for.
- * @param mixed $checkvalue What constraint the value should pass
+ * @param string $value Attribute value
+ * @param string $vless Whether the value is valueless. Use 'y' or 'n'
+ * @param string $checkname What $checkvalue is checking for.
+ * @param mixed $checkvalue What constraint the value should pass
* @return bool Whether check passes
*/
function wp_kses_check_attr_val($value, $vless, $checkname, $checkvalue) {
*
* @since 1.0.0
*
- * @param string $string Content to filter bad protocols from
- * @param array $allowed_protocols Allowed protocols to keep
+ * @param string $string Content to filter bad protocols from
+ * @param array $allowed_protocols Allowed protocols to keep
* @return string Filtered content
*/
function wp_kses_bad_protocol($string, $allowed_protocols) {
* @since 1.0.0
*
* @param string $string
+ * @param array $options Set 'slash_zero' => 'keep' when '\0' is allowed. Default is 'remove'.
* @return string
*/
-function wp_kses_no_null($string) {
- $string = preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F]/', '', $string);
- $string = preg_replace('/(\\\\0)+/', '', $string);
+function wp_kses_no_null( $string, $options = null ) {
+ if ( ! isset( $options['slash_zero'] ) ) {
+ $options = array( 'slash_zero' => 'remove' );
+ }
+
+ $string = preg_replace( '/[\x00-\x08\x0B\x0C\x0E-\x1F]/', '', $string );
+ if ( 'remove' == $options['slash_zero'] ) {
+ $string = preg_replace( '/\\\\+0+/', '', $string );
+ }
return $string;
}
*
* @since 1.0.0
*
- * @param string $string Content to check for bad protocols
+ * @param string $string Content to check for bad protocols
* @param string $allowed_protocols Allowed protocols
* @return string Sanitized content
*/
* @access private
* @since 1.0.0
*
- * @param string $string URI scheme to check against the whitelist
+ * @param string $string URI scheme to check against the whitelist
* @param string $allowed_protocols Allowed protocols
* @return string Sanitized content
*/
*/
function wp_kses_normalize_entities($string) {
// Disarm all entities by converting & to &
-
$string = str_replace('&', '&', $string);
// Change back the allowed entities in our entity whitelist
-
$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);
*
* @since 3.0.0
*
+ * @global array $allowedentitynames
+ *
* @param array $matches preg_replace_callback() matches array
* @return string Correctly encoded entity
*/
return '';
$i = $matches[1];
- return ( ( ! in_array($i, $allowedentitynames) ) ? "&$i;" : "&$i;" );
+ return ( ! in_array( $i, $allowedentitynames ) ) ? "&$i;" : "&$i;";
}
/**
* Callback for wp_kses_normalize_entities() regular expression.
*
- * This function helps {@see wp_kses_normalize_entities()} to only accept 16-bit
+ * This function helps wp_kses_normalize_entities() to only accept 16-bit
* values and nothing more for `&#number;` entities.
*
* @access private
return '';
$hexchars = $matches[1];
- return ( ( ! valid_unicode(hexdec($hexchars)) ) ? "&#x$hexchars;" : '&#x'.ltrim($hexchars,'0').';' );
+ return ( ! valid_unicode( hexdec( $hexchars ) ) ) ? "&#x$hexchars;" : '&#x'.ltrim($hexchars,'0').';';
}
/**
* @return string Filtered content
*/
function wp_kses_data( $data ) {
- return wp_kses( $data , current_filter() );
+ return wp_kses( $data, current_filter() );
}
/**
* @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) {
- return addslashes ( wp_kses( stripslashes( $data ), 'post' ) );
+function wp_filter_post_kses( $data ) {
+ return addslashes( wp_kses( stripslashes( $data ), 'post' ) );
}
/**
* @param string $data Post content to filter
* @return string Filtered post content with allowed HTML tags and attributes intact.
*/
-function wp_kses_post($data) {
- return wp_kses( $data , 'post' );
+function wp_kses_post( $data ) {
+ return wp_kses( $data, 'post' );
+}
+
+/**
+ * Navigates through an array, object, or scalar, and sanitizes content for
+ * allowed HTML tags for post content.
+ *
+ * @since 4.4.2
+ *
+ * @see map_deep()
+ *
+ * @param mixed $data The array, object, or scalar value to inspect.
+ * @return mixed The filtered content.
+ */
+function wp_kses_post_deep( $data ) {
+ return map_deep( $data, 'wp_kses_post' );
}
/**
* @return string Filtered content without any HTML
*/
function wp_filter_nohtml_kses( $data ) {
- return addslashes ( wp_kses( stripslashes( $data ), 'strip' ) );
+ return addslashes( wp_kses( stripslashes( $data ), 'strip' ) );
}
/**
* A quick procedural method to removing all of the filters that kses uses for
* content in WordPress Loop.
*
- * Does not remove the kses_init() function from 'init' hook (priority is
- * default). Also does not remove kses_init() function from 'set_current_user'
+ * Does not remove the kses_init() function from {@see 'init'} hook (priority is
+ * default). Also does not remove kses_init() function from {@see 'set_current_user'}
* hook (priority is also default).
*
* @since 2.0.6
/**
* Sets up most of the Kses filters for input form content.
*
- * If you remove the kses_init() function from 'init' hook and
- * 'set_current_user' (priority is default), then none of the Kses filter hooks
+ * If you remove the kses_init() function from {@see 'init'} hook and
+ * {@see 'set_current_user'} (priority is default), then none of the Kses filter hooks
* will be added.
*
* First removes all of the Kses filters in case the current user does not need
function kses_init() {
kses_remove_filters();
- if (current_user_can('unfiltered_html') == false)
+ if ( ! current_user_can( 'unfiltered_html' ) ) {
kses_init_filters();
+ }
}
/**
* Inline CSS filter
*
* @since 2.8.1
+ *
+ * @param string $css A string of CSS rules.
+ * @param string $deprecated Not used.
+ * @return string Filtered string of CSS rules.
*/
function safecss_filter_attr( $css, $deprecated = '' ) {
if ( !empty( $deprecated ) )
$css_array = explode( ';', trim( $css ) );
/**
- * Filter list of allowed CSS attributes.
+ * Filters list of allowed CSS attributes.
*
* @since 2.8.1
+ * @since 4.4.0 Added support for `min-height`, `max-height`, `min-width`, and `max-width`.
+ * @since 4.6.0 Added support for `list-style-type`.
*
* @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',
- 'border-left-color', 'border-left-style', 'border-left-width', 'border-right', 'border-right-color',
- 'border-right-style', 'border-right-width', 'border-spacing', 'border-style', 'border-top',
- 'border-top-color', 'border-top-style', 'border-top-width', 'border-width', 'caption-side',
- 'clear', 'cursor', 'direction', 'font', 'font-family', 'font-size', 'font-style',
- 'font-variant', 'font-weight', 'height', 'letter-spacing', 'line-height', 'margin-bottom',
- 'margin-left', 'margin-right', 'margin-top', 'overflow', 'padding', 'padding-bottom',
- 'padding-left', 'padding-right', 'padding-top', 'text-decoration', 'text-indent', 'vertical-align',
- 'width' ) );
+ $allowed_attr = apply_filters( 'safe_style_css', array(
+ 'background',
+ 'background-color',
+
+ 'border',
+ 'border-width',
+ 'border-color',
+ 'border-style',
+ 'border-right',
+ 'border-right-color',
+ 'border-right-style',
+ 'border-right-width',
+ 'border-bottom',
+ 'border-bottom-color',
+ 'border-bottom-style',
+ 'border-bottom-width',
+ 'border-left',
+ 'border-left-color',
+ 'border-left-style',
+ 'border-left-width',
+ 'border-top',
+ 'border-top-color',
+ 'border-top-style',
+ 'border-top-width',
+
+ 'border-spacing',
+ 'border-collapse',
+ 'caption-side',
+
+ 'color',
+ 'font',
+ 'font-family',
+ 'font-size',
+ 'font-style',
+ 'font-variant',
+ 'font-weight',
+ 'letter-spacing',
+ 'line-height',
+ 'text-decoration',
+ 'text-indent',
+ 'text-align',
+
+ 'height',
+ 'min-height',
+ 'max-height',
+
+ 'width',
+ 'min-width',
+ 'max-width',
+
+ 'margin',
+ 'margin-right',
+ 'margin-bottom',
+ 'margin-left',
+ 'margin-top',
+
+ 'padding',
+ 'padding-right',
+ 'padding-bottom',
+ 'padding-left',
+ 'padding-top',
+
+ 'clear',
+ 'cursor',
+ 'direction',
+ 'float',
+ 'overflow',
+ 'vertical-align',
+ 'list-style-type',
+ ) );
if ( empty($allowed_attr) )
return $css;
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff