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CustomizerImporter.php (7287B)

---

 <?php
 /**
  * Class for the customizer importer used in the One Click Demo Import plugin.
  *
  * Code is mostly from the Customizer Export/Import plugin.
  *
  * @see https://wordpress.org/plugins/customizer-export-import/
  * @package ocdi
  */
 
 namespace OCDI;
 
 class CustomizerImporter {
 	/**
 	 * Import customizer from a DAT file, generated by the Customizer Export/Import plugin.
 	 *
 	 * @param string $customizer_import_file_path path to the customizer import file.
 	 */
 	public static function import( $customizer_import_file_path ) {
 		$ocdi          = OneClickDemoImport::get_instance();
 		$log_file_path = $ocdi->get_log_file_path();
 
 		// Try to import the customizer settings.
 		$results = self::import_customizer_options( $customizer_import_file_path );
 
 		// Check for errors, else write the results to the log file.
 		if ( is_wp_error( $results ) ) {
 			$error_message = $results->get_error_message();
 
 			// Add any error messages to the frontend_error_messages variable in OCDI main class.
 			$ocdi->append_to_frontend_error_messages( $error_message );
 
 			// Write error to log file.
 			Helpers::append_to_file(
 				$error_message,
 				$log_file_path,
 				esc_html__( 'Importing customizer settings', 'pt-ocdi' )
 			);
 		}
 		else {
 			// Add this message to log file.
 			$log_added = Helpers::append_to_file(
 				esc_html__( 'Customizer settings import finished!', 'pt-ocdi' ),
 				$log_file_path,
 				esc_html__( 'Importing customizer settings' , 'pt-ocdi' )
 			);
 		}
 	}
 
 
 	/**
 	 * Imports uploaded mods and calls WordPress core customize_save actions so
 	 * themes that hook into them can act before mods are saved to the database.
 	 *
 	 * Update: WP core customize_save actions were removed, because of some errors.
 	 *
 	 * @since 1.1.1
 	 * @param string $import_file_path Path to the import file.
 	 * @return void|WP_Error
 	 */
 	public static function import_customizer_options( $import_file_path ) {
 		// Setup global vars.
 		global $wp_customize;
 
 		// Setup internal vars.
 		$template = get_template();
 
 		// Make sure we have an import file.
 		if ( ! file_exists( $import_file_path ) ) {
 			return new \WP_Error(
 				'missing_cutomizer_import_file',
 				sprintf(
 					esc_html__( 'Error: The customizer import file is missing! File path: %s', 'pt-ocdi' ),
 					$import_file_path
 				)
 			);
 		}
 
 		// Get the upload data.
 		$raw = Helpers::data_from_file( $import_file_path );
 
 		// Make sure we got the data.
 		if ( is_wp_error( $raw ) ) {
 			return $raw;
 		}
 
 		$data = unserialize( $raw );
 
 		// Data checks.
 		if ( ! is_array( $data ) && ( ! isset( $data['template'] ) || ! isset( $data['mods'] ) ) ) {
 			return new \WP_Error(
 				'customizer_import_data_error',
 				esc_html__( 'Error: The customizer import file is not in a correct format. Please make sure to use the correct customizer import file.', 'pt-ocdi' )
 			);
 		}
 		if ( $data['template'] !== $template ) {
 			return new \WP_Error(
 				'customizer_import_wrong_theme',
 				esc_html__( 'Error: The customizer import file is not suitable for current theme. You can only import customizer settings for the same theme or a child theme.', 'pt-ocdi' )
 			);
 		}
 
 		// Import images.
 		if ( apply_filters( 'pt-ocdi/customizer_import_images', true ) ) {
 			$data['mods'] = self::import_customizer_images( $data['mods'] );
 		}
 
 		// Import custom options.
 		if ( isset( $data['options'] ) ) {
 			// Require modified customizer options class.
 			if ( ! class_exists( '\WP_Customize_Setting' ) ) {
 				require_once ABSPATH . 'wp-includes/class-wp-customize-setting.php';
 			}
 
 			foreach ( $data['options'] as $option_key => $option_value ) {
 				$option = new CustomizerOption( $wp_customize, $option_key, array(
 					'default'    => '',
 					'type'       => 'option',
 					'capability' => 'edit_theme_options',
 				) );
 
 				$option->import( $option_value );
 			}
 		}
 
 		// Should the customizer import use the WP customize_save* hooks?
 		$use_wp_customize_save_hooks = apply_filters( 'pt-ocdi/enable_wp_customize_save_hooks', false );
 
 		if ( $use_wp_customize_save_hooks ) {
 			do_action( 'customize_save', $wp_customize );
 		}
 
 		// Loop through the mods and save the mods.
 		foreach ( $data['mods'] as $key => $val ) {
 			if ( $use_wp_customize_save_hooks ) {
 				do_action( 'customize_save_' . $key, $wp_customize );
 			}
 
 			set_theme_mod( $key, $val );
 		}
 
 		if ( $use_wp_customize_save_hooks ) {
 			do_action( 'customize_save_after', $wp_customize );
 		}
 	}
 
 	/**
 	 * Helper function: Customizer import - imports images for settings saved as mods.
 	 *
 	 * @since 1.1.1
 	 * @param array $mods An array of customizer mods.
 	 * @return array The mods array with any new import data.
 	 */
 	private static function import_customizer_images( $mods ) {
 		foreach ( $mods as $key => $val ) {
 			if ( self::customizer_is_image_url( $val ) ) {
 				$data = self::customizer_sideload_image( $val );
 				if ( ! is_wp_error( $data ) ) {
 					$mods[ $key ] = $data->url;
 
 					// Handle header image controls.
 					if ( isset( $mods[ $key . '_data' ] ) ) {
 						$mods[ $key . '_data' ] = $data;
 						update_post_meta( $data->attachment_id, '_wp_attachment_is_custom_header', get_stylesheet() );
 					}
 				}
 			}
 		}
 
 		return $mods;
 	}
 
 	/**
 	 * Helper function: Customizer import
 	 * Taken from the core media_sideload_image function and
 	 * modified to return an array of data instead of html.
 	 *
 	 * @since 1.1.1.
 	 * @param string $file The image file path.
 	 * @return array An array of image data.
 	 */
 	private static function customizer_sideload_image( $file ) {
 		$data = new \stdClass();
 
 		if ( ! function_exists( 'media_handle_sideload' ) ) {
 			require_once( ABSPATH . 'wp-admin/includes/media.php' );
 			require_once( ABSPATH . 'wp-admin/includes/file.php' );
 			require_once( ABSPATH . 'wp-admin/includes/image.php' );
 		}
 		if ( ! empty( $file ) ) {
 			// Set variables for storage, fix file filename for query strings.
 			preg_match( '/[^\?]+\.(jpe?g|jpe|gif|png)\b/i', $file, $matches );
 			$file_array = array();
 			$file_array['name'] = basename( $matches[0] );
 
 			// Download file to temp location.
 			$file_array['tmp_name'] = download_url( $file );
 
 			// If error storing temporarily, return the error.
 			if ( is_wp_error( $file_array['tmp_name'] ) ) {
 				return $file_array['tmp_name'];
 			}
 
 			// Do the validation and storage stuff.
 			$id = media_handle_sideload( $file_array, 0 );
 
 			// If error storing permanently, unlink.
 			if ( is_wp_error( $id ) ) {
 				unlink( $file_array['tmp_name'] );
 				return $id;
 			}
 
 			// Build the object to return.
 			$meta                = wp_get_attachment_metadata( $id );
 			$data->attachment_id = $id;
 			$data->url           = wp_get_attachment_url( $id );
 			$data->thumbnail_url = wp_get_attachment_thumb_url( $id );
 			$data->height        = $meta['height'];
 			$data->width         = $meta['width'];
 		}
 
 		return $data;
 	}
 
 	/**
 	 * Checks to see whether a string is an image url or not.
 	 *
 	 * @since 1.1.1
 	 * @param string $string The string to check.
 	 * @return bool Whether the string is an image url or not.
 	 */
 	private static function customizer_is_image_url( $string = '' ) {
 		if ( is_string( $string ) ) {
 			if ( preg_match( '/\.(jpg|jpeg|png|gif)/i', $string ) ) {
 				return true;
 			}
 		}
 
 		return false;
 	}
 }