?class-wp-font-utils.php 0000644 00000021270 14733326655 0011130 0 ustar 00 '',
'fontStyle' => 'normal',
'fontWeight' => '400',
'fontStretch' => '100%',
'unicodeRange' => 'U+0-10FFFF',
);
$settings = wp_parse_args( $settings, $defaults );
if ( function_exists( 'mb_strtolower' ) ) {
$font_family = mb_strtolower( $settings['fontFamily'] );
} else {
$font_family = strtolower( $settings['fontFamily'] );
}
$font_style = strtolower( $settings['fontStyle'] );
$font_weight = strtolower( $settings['fontWeight'] );
$font_stretch = strtolower( $settings['fontStretch'] );
$unicode_range = strtoupper( $settings['unicodeRange'] );
// Convert weight keywords to numeric strings.
$font_weight = str_replace( array( 'normal', 'bold' ), array( '400', '700' ), $font_weight );
// Convert stretch keywords to numeric strings.
$font_stretch_map = array(
'ultra-condensed' => '50%',
'extra-condensed' => '62.5%',
'condensed' => '75%',
'semi-condensed' => '87.5%',
'normal' => '100%',
'semi-expanded' => '112.5%',
'expanded' => '125%',
'extra-expanded' => '150%',
'ultra-expanded' => '200%',
);
$font_stretch = str_replace( array_keys( $font_stretch_map ), array_values( $font_stretch_map ), $font_stretch );
$slug_elements = array( $font_family, $font_style, $font_weight, $font_stretch, $unicode_range );
$slug_elements = array_map(
function ( $elem ) {
// Remove quotes to normalize font-family names, and ';' to use as a separator.
$elem = trim( str_replace( array( '"', "'", ';' ), '', $elem ) );
// Normalize comma separated lists by removing whitespace in between items,
// but keep whitespace within items (e.g. "Open Sans" and "OpenSans" are different fonts).
// CSS spec for whitespace includes: U+000A LINE FEED, U+0009 CHARACTER TABULATION, or U+0020 SPACE,
// which by default are all matched by \s in PHP.
return preg_replace( '/,\s+/', ',', $elem );
},
$slug_elements
);
return sanitize_text_field( implode( ';', $slug_elements ) );
}
/**
* Sanitizes a tree of data using a schema.
*
* The schema structure should mirror the data tree. Each value provided in the
* schema should be a callable that will be applied to sanitize the corresponding
* value in the data tree. Keys that are in the data tree, but not present in the
* schema, will be removed in the sanitized data. Nested arrays are traversed recursively.
*
* @since 6.5.0
*
* @access private
*
* @param array $tree The data to sanitize.
* @param array $schema The schema used for sanitization.
* @return array The sanitized data.
*/
public static function sanitize_from_schema( $tree, $schema ) {
if ( ! is_array( $tree ) || ! is_array( $schema ) ) {
return array();
}
foreach ( $tree as $key => $value ) {
// Remove keys not in the schema or with null/empty values.
if ( ! array_key_exists( $key, $schema ) ) {
unset( $tree[ $key ] );
continue;
}
$is_value_array = is_array( $value );
$is_schema_array = is_array( $schema[ $key ] ) && ! is_callable( $schema[ $key ] );
if ( $is_value_array && $is_schema_array ) {
if ( wp_is_numeric_array( $value ) ) {
// If indexed, process each item in the array.
foreach ( $value as $item_key => $item_value ) {
$tree[ $key ][ $item_key ] = isset( $schema[ $key ][0] ) && is_array( $schema[ $key ][0] )
? self::sanitize_from_schema( $item_value, $schema[ $key ][0] )
: self::apply_sanitizer( $item_value, $schema[ $key ][0] );
}
} else {
// If it is an associative or indexed array, process as a single object.
$tree[ $key ] = self::sanitize_from_schema( $value, $schema[ $key ] );
}
} elseif ( ! $is_value_array && $is_schema_array ) {
// If the value is not an array but the schema is, remove the key.
unset( $tree[ $key ] );
} elseif ( ! $is_schema_array ) {
// If the schema is not an array, apply the sanitizer to the value.
$tree[ $key ] = self::apply_sanitizer( $value, $schema[ $key ] );
}
// Remove keys with null/empty values.
if ( empty( $tree[ $key ] ) ) {
unset( $tree[ $key ] );
}
}
return $tree;
}
/**
* Applies a sanitizer function to a value.
*
* @since 6.5.0
*
* @param mixed $value The value to sanitize.
* @param callable $sanitizer The sanitizer function to apply.
* @return mixed The sanitized value.
*/
private static function apply_sanitizer( $value, $sanitizer ) {
if ( null === $sanitizer ) {
return $value;
}
return call_user_func( $sanitizer, $value );
}
/**
* Returns the expected mime-type values for font files, depending on PHP version.
*
* This is needed because font mime types vary by PHP version, so checking the PHP version
* is necessary until a list of valid mime-types for each file extension can be provided to
* the 'upload_mimes' filter.
*
* @since 6.5.0
*
* @access private
*
* @return string[] A collection of mime types keyed by file extension.
*/
public static function get_allowed_font_mime_types() {
$php_7_ttf_mime_type = PHP_VERSION_ID >= 70300 ? 'application/font-sfnt' : 'application/x-font-ttf';
return array(
'otf' => 'application/vnd.ms-opentype',
'ttf' => PHP_VERSION_ID >= 70400 ? 'font/sfnt' : $php_7_ttf_mime_type,
'woff' => PHP_VERSION_ID >= 80112 ? 'font/woff' : 'application/font-woff',
'woff2' => PHP_VERSION_ID >= 80112 ? 'font/woff2' : 'application/font-woff2',
);
}
}
class-wp-font-face.php 0000644 00000024016 14733326655 0010667 0 ustar 00 '',
'font-style' => 'normal',
'font-weight' => '400',
'font-display' => 'fallback',
);
/**
* Valid font-face property names.
*
* @since 6.4.0
*
* @var string[]
*/
private $valid_font_face_properties = array(
'ascent-override',
'descent-override',
'font-display',
'font-family',
'font-stretch',
'font-style',
'font-weight',
'font-variant',
'font-feature-settings',
'font-variation-settings',
'line-gap-override',
'size-adjust',
'src',
'unicode-range',
);
/**
* Valid font-display values.
*
* @since 6.4.0
*
* @var string[]
*/
private $valid_font_display = array( 'auto', 'block', 'fallback', 'swap', 'optional' );
/**
* Array of font-face style tag's attribute(s)
* where the key is the attribute name and the
* value is its value.
*
* @since 6.4.0
*
* @var string[]
*/
private $style_tag_attrs = array();
/**
* Creates and initializes an instance of WP_Font_Face.
*
* @since 6.4.0
*/
public function __construct() {
if (
function_exists( 'is_admin' ) && ! is_admin()
&&
function_exists( 'current_theme_supports' ) && ! current_theme_supports( 'html5', 'style' )
) {
$this->style_tag_attrs = array( 'type' => 'text/css' );
}
}
/**
* Generates and prints the `@font-face` styles for the given fonts.
*
* @since 6.4.0
*
* @param array[][] $fonts Optional. The font-families and their font variations.
* See {@see wp_print_font_faces()} for the supported fields.
* Default empty array.
*/
public function generate_and_print( array $fonts ) {
$fonts = $this->validate_fonts( $fonts );
// Bail out if there are no fonts are given to process.
if ( empty( $fonts ) ) {
return;
}
$css = $this->get_css( $fonts );
/*
* The font-face CSS is contained within and open a