File: /var/www/html/triad-infosec/wp-content/themes/Avada/includes/class-awb-adobe-typography.php
<?php
/**
* Adobe Typography handling.
*
* @author ThemeFusion
* @copyright (c) Copyright by ThemeFusion
* @link https://avada.com
* @package Avada
* @since 7.7
*/
/**
* Adobe Typography.
*
* @since 7.6
*/
class AWB_Adobe_Typography {
/**
* The one, true instance of this object.
*
* @since 7.7
* @var AWB_Adobe_Typography|null
*/
private static $instance;
/**
* Creates or returns an instance of this class.
*
* @since 7.7
* @return AWB_Adobe_Typography
*/
public static function get_instance() {
if ( null === self::$instance ) {
self::$instance = new AWB_Adobe_Typography();
}
return self::$instance;
}
/**
* The class constructor
*
* @access public
*/
public function __construct() {
add_filter( 'pre_update_option_fusion_options', __CLASS__ . '::refresh_adobe_fonts_on_option_update', 10, 2 );
add_action( 'wp_enqueue_scripts', __CLASS__ . '::enqueue_adobe_fonts' );
add_action( 'wp_ajax_fusion_reset_avada_fonts_cache', __CLASS__ . '::ajax_refresh_cache' );
}
/**
* Enqueue Adobe fonts if the ID is present.
*
* @return void
*/
public static function enqueue_adobe_fonts() {
$all_options = get_option( 'fusion_options' );
if ( ! is_array( $all_options ) || empty( $all_options['adobe_fonts_id'] ) ) {
return;
}
$id = $all_options['adobe_fonts_id'];
wp_enqueue_style( 'awb-adobe-external-style', self::get_adobe_fonts_url_from_id( $id ), [], AVADA_VERSION, 'all' );
}
/**
* Check if on option update, the Adobe Fonts needs to be refreshed, and refresh if necessary.
*
* @param array $new_settings The new settings.
* @param array $old_settings The old settings.
* @return array
*/
public static function refresh_adobe_fonts_on_option_update( $new_settings, $old_settings ) {
if ( ! isset( $new_settings['adobe_fonts_id'] ) ) {
self::update_adobe_fonts_data( '' );
return $new_settings;
}
if ( ! isset( $old_settings['adobe_fonts_id'] ) ) {
self::update_adobe_fonts_data( $new_settings['adobe_fonts_id'] );
return $new_settings;
}
if ( $old_settings['adobe_fonts_id'] !== $new_settings['adobe_fonts_id'] ) {
self::update_adobe_fonts_data( $new_settings['adobe_fonts_id'] );
return $new_settings;
}
return $new_settings;
}
/**
* Refresh the Adobe Fonts cache via ajax request.
*
* @return void
*/
public static function ajax_refresh_cache() {
$fusion_options = get_option( 'fusion_options', [] );
$id = '';
if ( isset( $fusion_options['adobe_fonts_id'] ) && is_string( $fusion_options['adobe_fonts_id'] ) ) {
$id = $fusion_options['adobe_fonts_id'];
}
self::update_adobe_fonts_data( $id );
die();
}
/**
* Updates the font names into an option array.
*
* @param string $id Id of the project.
* @return void
*/
public static function update_adobe_fonts_data( $id ) {
// Holds all the fonts names and variants.
$adobe_option_name = 'avada_adobe_fonts';
// True if the fonts parsing was unsuccessful.
$adobe_error_option_name = 'avada_adobe_fonts_error';
// Used to prevent cache when an Adobe(TypeKit) css file is refreshed.
$adobe_refresh_time = 'avada_adobe_fonts_refresh_time';
// Empty value or no value.
if ( ! $id ) {
delete_option( $adobe_option_name );
delete_option( $adobe_refresh_time );
delete_option( $adobe_error_option_name );
return;
}
$link = self::get_adobe_fonts_url_from_id( $id );
// Get the CSS file from remote.
$response = wp_remote_get( $link, [ 'timeout' => 10 ] );
if ( is_wp_error( $response ) ) {
// Note: no option name update here. If it fails because of timeout or link doesn't work for the moment, at least front-end fonts will work good.
update_option( $adobe_error_option_name, true );
update_option( $adobe_refresh_time, time() );
return;
}
$css_contents = wp_remote_retrieve_body( $response );
if ( ! is_string( $css_contents ) ) {
update_option( $adobe_option_name, [] );
update_option( $adobe_refresh_time, time() );
update_option( $adobe_error_option_name, true );
return;
}
update_option( $adobe_option_name, self::get_adobe_fonts_from_css( $css_contents ) );
update_option( $adobe_refresh_time, time() );
update_option( $adobe_error_option_name, false );
}
/**
* Get the Adobe Url from ID.
*
* @param string $id The ID.
* @param bool $append_time Whether to append time or not to prevent cache.
* @return string
*/
public static function get_adobe_fonts_url_from_id( $id, $append_time = true ) {
$link = 'https://use.typekit.net/' . $id . '.css';
if ( $append_time ) {
$time = get_option( 'avada_adobe_fonts_refresh_time', time() );
$link .= '?timestamp=' . $time;
}
return $link;
}
/**
* Get the Adobe Fonts with their variants in an associative array.
*
* @param string $css_contents The css contents of the adobe file.
* @return array
*/
public static function get_adobe_fonts_from_css( $css_contents ) {
$font_data = [];
$variants_translations = Fusion_App()->get_variants_translations();
$font_faces_regex = '/@font-face\s*{[^}]*}/s';
preg_match_all( $font_faces_regex, $css_contents, $font_faces );
if ( ! isset( $font_faces, $font_faces[0] ) ) {
return $font_data;
}
$font_faces = $font_faces[0];
// Construct the font data.
foreach ( $font_faces as $font_face ) {
$font_info_regex = '/font-family:([^,;]*)[^;]*;.*?font-style:([^;]*);.*?font-weight:([^;]*);/s';
$matches = preg_match( $font_info_regex, $font_face, $font_info_matches );
if ( ! $matches ) {
continue;
}
$family_slug = $font_info_matches[1];
$family_style = $font_info_matches[2];
$family_weight = $font_info_matches[3];
// Remove spaces and quotes before and after.
$family_slug = preg_replace( '/^\s*[\'\"]?/', '', $family_slug );
$family_slug = preg_replace( '/[\'\"]?\s*$/', '', $family_slug );
$variant_id = $family_weight . ( 'normal' === $family_style ? '' : $family_style );
// Special case.
if ( '400italic' === $variant_id ) {
$variant_id = 'italic';
}
$variant_label = ( isset( $variants_translations[ $variant_id ] ) ? $variants_translations[ $variant_id ] : $variant_id );
if ( ! is_string( $family_slug ) ) {
continue;
}
if ( isset( $font_data[ $family_slug ] ) && is_array( $font_data[ $family_slug ]['variants'] ) ) {
$variant_to_add = [
'id' => $variant_id,
'label' => $variant_label,
];
$font_data[ $family_slug ]['variants'][ $variant_id ] = $variant_to_add;
} else {
$font_data[ $family_slug ] = [
'label' => ucwords( str_replace( '-', ' ', $family_slug ) ),
'font_slug' => $family_slug,
'variants' => [
$variant_id => [
'id' => $variant_id,
'label' => $variant_label,
],
],
];
}
}
// Order the variants.
foreach ( $font_data as $font_id => $font ) {
$variants_ordered = [];
// Order by variants translations key.
foreach ( array_keys( $variants_translations ) as $variant_id ) {
if ( isset( $font['variants'][ $variant_id ] ) ) {
$variants_ordered[ $variant_id ] = $font['variants'][ $variant_id ];
}
}
// Append other variants at the end, to not forgot them if a variant id doesn't have translation.
foreach ( $font['variants'] as $variant_id => $variant_data ) {
if ( ! isset( $variants_ordered[ $variant_id ] ) ) {
$variants_ordered[ $variant_id ] = $font['variants'][ $variant_id ];
}
}
$font_data[ $font_id ]['variants'] = array_values( $variants_ordered );
}
return $font_data;
}
/**
* Check if a font-family is an Adobe Font.
*
* @param string $font_family The font family id.
* @return bool
*/
public static function is_adobe_font( $font_family ) {
$adobe_fonts = get_option( 'avada_adobe_fonts', [] );
if ( is_array( $adobe_fonts ) && isset( $adobe_fonts[ $font_family ] ) ) {
return true;
}
return false;
}
/**
* Get the display name of the Adobe Font.
*
* @param string $font_family The font family id.
* @return string
*/
public static function get_adobe_display_name( $font_family ) {
$adobe_fonts = get_option( 'avada_adobe_fonts', [] );
if ( is_array( $adobe_fonts ) && isset( $adobe_fonts[ $font_family ] ) ) {
return $adobe_fonts[ $font_family ]['label'];
}
return $font_family;
}
/**
* Gets a basic html for displaying included adobe fonts.
*
* @return string
*/
public static function get_adobe_included_fonts_display_html() {
$fonts_data = get_option( 'avada_adobe_fonts', [] );
if ( ! is_array( $fonts_data ) || empty( $fonts_data ) ) {
return '<p>' . esc_html__( 'No Adobe Fonts detected.', 'Avada' ) . '</p>';
}
$html = '<p><strong>' . esc_html__( 'Adobe Fonts detected:', 'Avada' ) . '</strong></p>';
foreach ( $fonts_data as $font ) {
$html .= '<p><strong>' . $font['label'] . ':</strong> ';
foreach ( $font['variants'] as $key => $variant ) {
$html .= $variant['label'];
if ( array_key_last( $font['variants'] ) !== $key ) {
$html .= ', ';
} else {
$html .= '.';
}
}
$html .= '</p>';
}
return $html;
}
}
/**
* Instantiates the AWB_Adobe_Typography class.
* Make sure the class is properly set-up.
*
* @since 7.7
* @return AWB_Adobe_Typography
*/
function AWB_Adobe_Typography() { // phpcs:ignore WordPress.NamingConventions
return AWB_Adobe_Typography::get_instance();
}
AWB_Adobe_Typography();