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<?php |
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namespace Elementor\Core\Files\Fonts; |
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|
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use Elementor\Plugin; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; // Exit if accessed directly. |
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} |
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|
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class Google_Font { |
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|
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const FOLDER_BASE = 'elementor/google-fonts'; |
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|
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const FOLDER_CSS = 'css'; |
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|
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const FOLDER_FONTS = 'fonts'; |
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|
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const AVAILABLE_FOLDERS = [ |
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self::FOLDER_CSS, |
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self::FOLDER_FONTS, |
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]; |
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|
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const UA_STRING = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36'; |
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|
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const TYPE_DEFAULT = 'default'; |
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|
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const TYPE_EARLYACCESS = 'earlyaccess'; |
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|
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private static array $folders = []; |
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|
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public static function enqueue( string $font_name, string $font_type = self::TYPE_DEFAULT, $force_enqueue_from_cdn = false ): bool { |
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if ( static::enqueue_style( $font_name ) ) { |
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return true; |
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} |
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|
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$is_local_gf_enabled = (bool) get_option( 'elementor_local_google_fonts', '0' ); |
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if ( ! $is_local_gf_enabled ) { |
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$force_enqueue_from_cdn = true; |
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} |
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|
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if ( $force_enqueue_from_cdn || ! static::fetch_font_data( $font_name, $font_type ) ) { |
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static::enqueue_from_cdn( $font_name, $font_type ); |
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return false; |
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} |
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|
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return static::enqueue_style( $font_name ); |
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} |
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|
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private static function sanitize_font_name( string $font_name ): string { |
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return sanitize_key( $font_name ); |
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} |
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|
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private static function enqueue_style( string $font_name ): bool { |
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$sanitize_font_name = static::sanitize_font_name( $font_name ); |
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|
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$font_data = static::get_font_data( $sanitize_font_name ); |
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|
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if ( empty( $font_data['url'] ) ) { |
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return false; |
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} |
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|
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wp_enqueue_style( |
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'elementor-gf-local-' . $sanitize_font_name, |
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$font_data['url'], |
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[], |
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$font_data['version'] |
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); |
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|
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return true; |
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} |
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|
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private static function get_font_data( string $font_name ) { |
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$local_google_fonts = static::get_local_google_fonts(); |
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|
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return $local_google_fonts[ $font_name ] ?? null; |
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} |
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|
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private static function get_local_google_fonts(): array { |
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return (array) get_option( '_elementor_local_google_fonts', [] ); |
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} |
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|
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private static function set_local_google_fonts( string $font_name, array $font_data ): void { |
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$local_google_fonts = static::get_local_google_fonts(); |
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|
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$local_google_fonts[ $font_name ] = $font_data; |
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|
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update_option( '_elementor_local_google_fonts', $local_google_fonts ); |
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} |
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|
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private static function fetch_font_data( string $font_name, string $font_type ): bool { |
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$sanitize_font_name = static::sanitize_font_name( $font_name ); |
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|
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$fonts_folder = static::get_folder( static::FOLDER_FONTS ); |
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$css_folder = static::get_folder( static::FOLDER_CSS ); |
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|
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if ( empty( $fonts_folder ) || empty( $css_folder ) ) { |
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return false; |
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} |
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|
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$css_content = static::get_css_content( $font_name, $font_type ); |
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|
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if ( empty( $css_content ) ) { |
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return false; |
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} |
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|
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$font_data = [ |
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'url' => $css_folder['url'] . $sanitize_font_name . '.css', |
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'version' => time(), |
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]; |
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|
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$css_folder_path = $css_folder['path'] . $sanitize_font_name . '.css'; |
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|
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$is_font_file_saved = file_put_contents( $css_folder_path, $css_content ); |
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|
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if ( ! $is_font_file_saved ) { |
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return false; |
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} |
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|
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static::set_local_google_fonts( $sanitize_font_name, $font_data ); |
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|
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return true; |
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} |
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|
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private static function get_folder( string $folder ): array { |
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$folders = static::get_folders(); |
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|
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return $folders[ $folder ] ?? []; |
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} |
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|
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private static function get_folders(): array { |
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static::init_folders(); |
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|
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return static::$folders; |
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} |
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|
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private static function init_folders(): void { |
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if ( ! empty( static::$folders ) ) { |
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return; |
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} |
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|
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static::$folders = []; |
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|
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$upload_dir = wp_upload_dir(); |
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|
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foreach ( static::AVAILABLE_FOLDERS as $folder ) { |
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$folder_path = $upload_dir['basedir'] . '/' . static::FOLDER_BASE . '/' . $folder; |
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$folder_url = $upload_dir['baseurl'] . '/' . static::FOLDER_BASE . '/' . $folder; |
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|
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if ( ! file_exists( $folder_path ) ) { |
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wp_mkdir_p( $folder_path ); |
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} |
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|
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static::$folders[ $folder ] = [ |
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'path' => trailingslashit( $folder_path ), |
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'url' => trailingslashit( $folder_url ), |
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]; |
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} |
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} |
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|
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private static function get_css_content( string $font_name, $font_type ): string { |
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$css_content = static::get_raw_css_content( $font_name, $font_type ); |
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|
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if ( empty( $css_content ) ) { |
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return ''; |
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} |
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|
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return static::download_fonts( $font_name, $css_content ); |
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} |
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|
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private static function get_raw_css_content( string $font_name, string $font_type ): string { |
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$font_url = static::get_google_fonts_remote_url( $font_name, $font_type ); |
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|
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$css_content_response = wp_remote_get( $font_url, [ |
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'headers' => [ |
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'User-Agent' => static::UA_STRING, |
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], |
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] ); |
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|
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if ( is_wp_error( $css_content_response ) || 200 !== (int) wp_remote_retrieve_response_code( $css_content_response ) ) { |
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return ''; |
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} |
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|
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return wp_remote_retrieve_body( $css_content_response ); |
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} |
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|
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private static function get_google_fonts_remote_url( string $font, string $font_type ): string { |
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if ( self::TYPE_EARLYACCESS === $font_type ) { |
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return static::get_earlyaccess_google_fonts_url( $font ); |
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} |
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|
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return Plugin::$instance->frontend->get_stable_google_fonts_url( [ $font ] ); |
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} |
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|
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private static function get_earlyaccess_google_fonts_url( string $font ): string { |
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return sprintf( 'https://fonts.googleapis.com/earlyaccess/%s.css', strtolower( str_replace( ' ', '', $font ) ) ); |
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} |
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|
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private static function download_fonts( string $font_name, string $css_content ): string { |
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preg_match_all( '/url\(([^)]+)\)/', $css_content, $font_urls ); |
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|
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if ( ! function_exists( 'download_url' ) ) { |
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require_once ABSPATH . 'wp-admin/includes/file.php'; |
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} |
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|
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if ( ! empty( $font_urls[1] ) ) { |
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$font_urls = $font_urls[1]; |
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|
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$fonts_folder = static::get_folder( static::FOLDER_FONTS ); |
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$sanitize_font_name = static::sanitize_font_name( $font_name ); |
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|
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foreach ( $font_urls as $current_font_url ) { |
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$original_font_url = trim( $current_font_url, '\'"' ); |
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|
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$cleaned_url = set_url_scheme( $original_font_url, 'https' ); |
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$cleaned_url = strtok( $cleaned_url, '?#' ); |
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|
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$font_ext = pathinfo( $cleaned_url, PATHINFO_EXTENSION ); |
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|
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$tmp_font_file = download_url( $cleaned_url ); |
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if ( is_wp_error( $tmp_font_file ) ) { |
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return ''; |
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} |
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|
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$unique_font_id = static::get_unique_font_id( $cleaned_url ); |
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|
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$current_font_basename = sprintf( |
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'%s-%s.%s', |
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$sanitize_font_name, |
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strtolower( sanitize_file_name( $unique_font_id ) ), |
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$font_ext |
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); |
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|
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$dest_file = $fonts_folder['path'] . $current_font_basename; |
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$dest_file_url = $fonts_folder['url'] . $current_font_basename; |
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|
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// Use copy and unlink because rename breaks streams. |
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// phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged |
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$is_font_file_saved = @copy( $tmp_font_file, $dest_file ); |
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@unlink( $tmp_font_file ); |
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|
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if ( ! $is_font_file_saved ) { |
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return ''; |
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} |
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|
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$css_content = str_replace( $original_font_url, $dest_file_url, $css_content ); |
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} |
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} |
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|
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return $css_content; |
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} |
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|
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private static function get_unique_font_id( $font_url ): string { |
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return substr( sha1( $font_url ), 0, 8 ); |
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} |
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|
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private static function enqueue_from_cdn( string $font_name, string $font_type ): void { |
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$font_url = static::get_google_fonts_remote_url( $font_name, $font_type ); |
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|
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$sanitize_font_name = static::sanitize_font_name( $font_name ); |
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|
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wp_enqueue_style( |
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'elementor-gf-' . $sanitize_font_name, |
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$font_url, |
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[], |
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null |
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); |
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} |
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|
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public static function clear_cache() { |
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$folders = static::get_folders(); |
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|
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foreach ( $folders as $folder ) { |
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$path = $folder['path'] . '*'; |
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|
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foreach ( glob( $path ) as $file_path ) { |
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unlink( $file_path ); |
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} |
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} |
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|
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delete_option( '_elementor_local_google_fonts' ); |
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} |
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} |
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|
