first commit without licensingg

core/theme-demos/import/class-customizer-importer.php

@@ -0,0 +1,185 @@
+<?php
+/**
+ * Class for the customizer importer.
+ *
+ * Code is mostly from the Customizer Export/Import plugin.
+ *
+ * @see https://wordpress.org/plugins/customizer-export-import/
+ * @package Revision
+ */
+
+/**
+ * Customizer Importer
+ */
+class CSCO_Customizer_Importer {
+	/**
+	 * Import customizer.
+	 *
+	 * @param array $data The data.
+	 */
+	public static function import( $data ) {
+		// Try to import the customizer settings.
+		return self::import_customizer_options( $data );
+	}
+
+	/**
+	 * 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.
+	 *
+	 * @param array $data The data.
+	 * @return void|WP_Error
+	 */
+	public static function import_customizer_options( $data ) {
+		// Setup global vars.
+		global $wp_customize;
+
+		// Data check.
+		if ( ! is_array( $data ) || ! 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.', 'revision' )
+			);
+		}
+
+		/**
+		 * Import images.
+		 *
+		 * The csco_customizer_import_images hook.
+		 *
+		 * @since 1.0.0
+		 */
+		if ( apply_filters( 'csco_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';
+			}
+
+			if ( ! class_exists( 'CSCO_Customizer_Option' ) ) {
+				require_once get_theme_file_path( '/core/theme-demos/import/class-customizer-option.php' );
+			}
+
+			foreach ( $data['options'] as $option_key => $option_value ) {
+				$option = new CSCO_Customizer_Option( $wp_customize, $option_key, array(
+					'default'    => '',
+					'type'       => 'option',
+					'capability' => 'edit_theme_options',
+				) );
+
+				$option->import( $option_value );
+			}
+		}
+
+		/**
+		 * The csco_enable_wp_customize_save_hooks hook.
+		 *
+		 * @since 1.0.0
+		 */
+		$use_wp_customize_save_hooks = apply_filters( 'csco_enable_wp_customize_save_hooks', false );
+
+		if ( $use_wp_customize_save_hooks ) {
+			/**
+			 * The customize_save hook.
+			 *
+			 * @since 1.0.0
+			 */
+			do_action( 'customize_save', $wp_customize );
+		}
+
+		// Import mods.
+		if ( isset( $data['mods'] ) && $data['mods'] ) {
+			foreach ( $data['mods'] as $key => & $value ) {
+				if ( $use_wp_customize_save_hooks ) {
+					/**
+					 * The customize_save_{$key} hook.
+					 *
+					 * @since 1.0.0
+					 */
+					do_action( 'customize_save_' . $key, $wp_customize );
+				}
+
+				// Save the mod.
+				set_theme_mod( $key, $value );
+			}
+		}
+
+		// Import mods Adobe Fonts.
+		if ( isset( $data['mods_adobe'] ) && $data['mods_adobe'] ) {
+			foreach ( $data['mods_adobe'] as $key => & $value ) {
+				if ( $use_wp_customize_save_hooks ) {
+					/**
+					 * The customize_save_{$key} hook.
+					 *
+					 * @since 1.0.0
+					 */
+					do_action( 'customize_save_' . $key, $wp_customize );
+				}
+
+				$token = get_option( 'powerkit_typekit_fonts_token' );
+				$kit   = get_option( 'powerkit_typekit_fonts_kit' );
+
+				$kit_fonts  = get_option( 'pk_typekit_' . $kit . '_s' );
+				$families   = ( $kit_fonts ) ? $kit_fonts['kit']['families'] : false;
+				$font_found = false;
+
+				// Search for the font slug from a theme_mod in the active Adobe font kit.
+				if ( isset( $value['font-family'] ) && $families ) {
+					foreach ( $families as $k => $v ) {
+						if ( isset( $v['slug'] ) && $value['font-family'] === $v['slug'] ) {
+							$font_found = true;
+							break;
+						}
+						if ( isset( $v['css_names'][0] ) && $value['font-family'] === $v['css_names'][0] ) {
+							$font_found = true;
+							break;
+						}
+					}
+				}
+
+				// Set default font family.
+				if ( is_array( $value ) && ( ! $token || ! $kit || ! $font_found ) ) {
+					$value['font-family'] = '-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif';
+				}
+
+				// Save the mod.
+				set_theme_mod( $key, $value );
+			}
+		}
+
+		if ( $use_wp_customize_save_hooks ) {
+			/**
+			 * The customize_save_after hook.
+			 *
+			 * @since 1.0.0
+			 */
+			do_action( 'customize_save_after', $wp_customize );
+		}
+	}
+
+	/**
+	 * Helper function: Customizer import - imports images for settings saved as mods.
+	 *
+	 * @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 ( CSCO_Manager_Import::is_image_url( $val ) ) {
+
+				$data = CSCO_Manager_Import::import_custom_image( $val );
+
+				if ( ! is_wp_error( $data ) ) {
+					$mods[ $key ] = $data->url;
+				}
+			}
+		}
+
+		return $mods;
+	}
+}

core/theme-demos/import/class-customizer-option.php

@@ -0,0 +1,23 @@
+<?php
+/**
+ * A class that extends WP_Customize_Setting so we can access
+ * the protected updated method when importing options.
+ *
+ * Used in the Customizer importer.
+ *
+ * @since 1.0.0
+ * @package Revision
+ */
+
+final class CSCO_Customizer_Option extends WP_Customize_Setting {
+	/**
+	 * Import an option value for this setting.
+	 *
+	 * @since 1.0.0
+	 * @param mixed $value The option value.
+	 * @return void
+	 */
+	public function import( $value ) {
+		$this->update( $value );
+	}
+}

core/theme-demos/import/class-manager-import.php

@@ -0,0 +1,901 @@
+<?php
+/**
+ * Manager Import.
+ *
+ * @package Revision
+ */
+
+/**
+ * Manager Import Class
+ */
+class CSCO_Manager_Import {
+
+	/**
+	 * Singleton instance
+	 *
+	 * @var CSCO_Manager_Import
+	 */
+	private static $instance;
+
+	/**
+	 * Sites Server API URL
+	 *
+	 * @var string
+	 */
+	public $api_url;
+
+	/**
+	 * Get singleton instance.
+	 *
+	 * @return CSCO_Manager_Import
+	 */
+	public static function instance() {
+		if ( is_null( self::$instance ) ) {
+			self::$instance = new self();
+		}
+		return self::$instance;
+	}
+
+	/**
+	 * Time in milliseconds, marking the beginning of the import.
+	 *
+	 * @var float
+	 */
+	private $microtime;
+
+	/**
+	 * Class constructor
+	 */
+	public function __construct() {
+		add_action( 'after_setup_theme', array( $this, 'init' ) );
+	}
+
+	/**
+	 * Initialize plugin.
+	 */
+	public function init() {
+		add_action( 'upload_mimes', array( $this, 'add_custom_mimes' ) );
+		add_filter( 'wp_check_filetype_and_ext', array( $this, 'real_mime_type_for_xml' ), 10, 4 );
+		add_filter( 'admin_init', array( $this, 'ajax_runtime_hide_errors' ), 0 );
+		add_filter( 'query', array( $this, 'ajax_wpdb_hide_errors' ), 0 );
+		add_action( 'wp_ajax_csco_import_plugin', array( $this, 'ajax_import_plugin' ) );
+		add_action( 'wp_ajax_csco_import_contents', array( $this, 'ajax_import_contents' ) );
+		add_action( 'wp_ajax_csco_import_customizer', array( $this, 'ajax_import_customizer' ) );
+		add_action( 'wp_ajax_csco_import_widgets', array( $this, 'ajax_import_widgets' ) );
+		add_action( 'wp_ajax_csco_import_options', array( $this, 'ajax_import_options' ) );
+		add_action( 'wp_ajax_csco_import_finish', array( $this, 'ajax_import_finish' ) );
+	}
+
+	/**
+	 * Pre Plugin Setup
+	 */
+	public function pre_plugin_setup() {
+		/* Woocommerce */
+		add_filter( 'woocommerce_prevent_automatic_wizard_redirect', '__return_false' );
+		add_filter( 'woocommerce_enable_setup_wizard', '__return_false' );
+
+		/* Elementor */
+		set_transient( 'elementor_activation_redirect', false );
+	}
+
+	/**
+	 * Helper function: Import image.
+	 *
+	 * @param string $url    Image url.
+	 * @param bool   $retina Support retina.
+	 * @return array The import data.
+	 */
+	public static function import_custom_image( $url, $retina = true ) {
+
+		$data = self::sideload_image( $url );
+
+		if ( $retina ) {
+			// Upload @2x image.
+			self::sideload_image(
+				str_replace( array( '.jpg', '.jpeg', '.png', '.gif', '.webp' ),
+					array( '@2x.jpg', '@2x.jpeg', '@2x.png', '@2x.gif', '@2x.webp' ),
+					$url
+				)
+			);
+		}
+
+		if ( ! is_wp_error( $data ) ) {
+			return $data;
+		}
+	}
+
+	/**
+	 * Taken from the core media_sideload_image function and
+	 * modified to return an array of data instead of html.
+	 *
+	 * @param string $file The image file path.
+	 * @return array An array of image data.
+	 */
+	public static function sideload_image( $file ) {
+		$data = new stdClass();
+
+		if ( ! function_exists( 'media_handle_sideload' ) ) {
+			call_user_func( 'require_once', ABSPATH . 'wp-admin/includes/media.php' );
+			call_user_func( 'require_once', ABSPATH . 'wp-admin/includes/file.php' );
+			call_user_func( '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|webp)\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.
+	 *
+	 * @param string $string The string to check.
+	 * @return bool Whether the string is an image url or not.
+	 */
+	public static function is_image_url( $string = '' ) {
+		if ( is_string( $string ) ) {
+			if ( preg_match( '/\.(jpg|jpeg|png|gif|webp)/i', $string ) ) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Add custom mimes for the uploader.
+	 *
+	 * @param array $mimes The mimes.
+	 */
+	public function add_custom_mimes( $mimes ) {
+		// Allow XML files.
+		$mimes['xml'] = 'text/xml';
+
+		// Allow JSON files.
+		$mimes['json'] = 'application/json';
+
+		return $mimes;
+	}
+
+	/**
+	 * Filters the "real" file type of the given file.
+	 *
+	 * @param array  $wp_check_filetype_and_ext The wp_check_filetype_and_ext.
+	 * @param string $file                      The file.
+	 * @param string $filename                  The filename.
+	 * @param array  $mimes                     The mimes.
+	 */
+	public function real_mime_type_for_xml( $wp_check_filetype_and_ext, $file, $filename, $mimes ) {
+		if ( '.xml' === substr( $filename, -4 ) ) {
+			$wp_check_filetype_and_ext['ext']  = 'xml';
+			$wp_check_filetype_and_ext['type'] = 'text/xml';
+		}
+
+		return $wp_check_filetype_and_ext;
+	}
+
+	/**
+	 * Get plugin status.
+	 *
+	 * @param string $plugin_path Plugin path.
+	 */
+	public function get_plugin_status( $plugin_path ) {
+		if ( ! current_user_can( 'install_plugins' ) ) {
+			return;
+		}
+
+		if ( ! file_exists( WP_PLUGIN_DIR . '/' . $plugin_path ) ) {
+			return 'not_installed';
+		} elseif ( in_array( $plugin_path, (array) get_option( 'active_plugins', array() ), true ) || is_plugin_active_for_network( $plugin_path ) ) {
+			return 'active';
+		} else {
+			return 'inactive';
+		}
+	}
+
+	/**
+	 * Install a plugin.
+	 *
+	 * @param string $plugin_slug Plugin slug.
+	 */
+	public function install_plugin( $plugin_slug ) {
+		if ( ! current_user_can( 'install_plugins' ) ) {
+			return;
+		}
+
+		if ( ! function_exists( 'plugins_api' ) ) {
+			require_once ABSPATH . 'wp-admin/includes/plugin-install.php';
+		}
+		if ( ! class_exists( 'WP_Upgrader' ) ) {
+			require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
+		}
+
+		if ( false === filter_var( $plugin_slug, FILTER_VALIDATE_URL ) ) {
+			$api = plugins_api(
+				'plugin_information',
+				array(
+					'slug'   => $plugin_slug,
+					'fields' => array(
+						'short_description' => false,
+						'sections'          => false,
+						'requires'          => false,
+						'rating'            => false,
+						'ratings'           => false,
+						'downloaded'        => false,
+						'last_updated'      => false,
+						'added'             => false,
+						'tags'              => false,
+						'compatibility'     => false,
+						'homepage'          => false,
+						'donate_link'       => false,
+					),
+				)
+			);
+
+			$download_link = $api->download_link;
+		} else {
+			$download_link = $plugin_slug;
+		}
+
+		// Use AJAX upgrader skin instead of plugin installer skin.
+		// ref: function wp_ajax_install_plugin().
+		$upgrader = new Plugin_Upgrader( new WP_Ajax_Upgrader_Skin() );
+
+		$this->pre_plugin_setup();
+
+		$install = $upgrader->install( $download_link );
+
+		if ( false === $install ) {
+			return false;
+		} else {
+			return true;
+		}
+	}
+
+	/**
+	 * Activate a plugin.
+	 *
+	 * @param string $plugin_path Plugin path.
+	 */
+	public function activate_plugin( $plugin_path ) {
+
+		if ( ! current_user_can( 'install_plugins' ) ) {
+			return false;
+		}
+
+		$this->pre_plugin_setup();
+
+		$activate = activate_plugin( $plugin_path, '', false, true );
+
+		if ( is_wp_error( $activate ) ) {
+			return false;
+		} else {
+			return true;
+		}
+	}
+
+	/**
+	 * Detect ajax import.
+	 */
+	public function is_ajax_import() {
+		if ( __return_false() ) {
+			check_ajax_referer();
+		}
+
+		$current_action = __return_empty_string();
+
+		if ( isset( $_REQUEST['action'] ) ) {
+			$current_action = sanitize_text_field( $_REQUEST['action'] );
+		}
+
+		if ( preg_match( '/csco_import/', $current_action ) ) {
+			return $current_action;
+		}
+	}
+
+	/**
+	 * Hide errors for wpdb
+	 *
+	 * @param object $query The query.
+	 */
+	public function ajax_wpdb_hide_errors( $query ) {
+		global $wpdb;
+
+		if ( $this->is_ajax_import() ) {
+			$wpdb->hide_errors();
+		}
+
+		return $query;
+	}
+
+	/**
+	 * Hide errors for runtime
+	 */
+	public function ajax_runtime_hide_errors() {
+		call_user_func( 'ini_set', 'display_errors', 'Off' );
+	}
+
+	/**
+	 * Ajax import start
+	 */
+	public function ajax_import_start() {
+		ob_start();
+	}
+
+	/**
+	 * Ajax import end
+	 */
+	public function ajax_import_end() {
+		ob_end_flush();
+	}
+
+	/**
+	 * Sends a JSON response back to an Ajax request, indicating failure.
+	 *
+	 * @param mixed $data Data to encode as JSON, then print and die.
+	 */
+	public function send_json_error( $data = null ) {
+		$log = trim( ob_get_clean() );
+
+		if ( $log ) {
+			$data .= sprintf( '%s', PHP_EOL . $log );
+		}
+
+		wp_send_json_error( $data );
+	}
+
+	/**
+	 * Sends a JSON response back to an Ajax request, indicating success.
+	 *
+	 * @param mixed $data Data to encode as JSON, then print and die.
+	 */
+	public function send_json_success( $data = null ) {
+		$log = trim( ob_get_clean() );
+
+		if ( $log ) {
+			$data .= sprintf( '%s', PHP_EOL . $log );
+		}
+
+		wp_send_json_success( $data );
+	}
+
+	/**
+	 * AJAX callback to install and activate a plugin.
+	 */
+	public function ajax_import_plugin() {
+
+		set_time_limit( 0 );
+
+		$this->ajax_import_start();
+
+		check_ajax_referer( 'nonce', 'nonce' );
+
+		if ( ! isset( $_POST['plugin_slug'] ) || ! sanitize_text_field( $_POST['plugin_slug'] ) ) {
+			$this->send_json_error( esc_html__( 'Unknown slug in a plugin.', 'revision' ) );
+		}
+
+		if ( ! isset( $_POST['plugin_path'] ) || ! sanitize_text_field( $_POST['plugin_path'] ) ) {
+			$this->send_json_error( esc_html__( 'Unknown path in a plugin.', 'revision' ) );
+		}
+
+		$plugin_slug = sanitize_text_field( $_POST['plugin_slug'] );
+		$plugin_path = sanitize_text_field( $_POST['plugin_path'] );
+
+		if ( ! current_user_can( 'install_plugins' ) ) {
+			$this->send_json_error( esc_html__( 'Insufficient permissions to install the plugin.', 'revision' ) );
+		}
+
+		if ( 'not_installed' === $this->get_plugin_status( $plugin_path ) ) {
+
+			$this->install_plugin( $plugin_slug );
+
+			$this->activate_plugin( $plugin_path );
+
+		} elseif ( 'inactive' === $this->get_plugin_status( $plugin_path ) ) {
+
+			$this->activate_plugin( $plugin_path );
+		}
+
+		if ( 'active' === $this->get_plugin_status( $plugin_path ) ) {
+			$this->send_json_success();
+		}
+
+		/**
+		 * The csco_import_plugin hook.
+		 *
+		 * @since 1.0.0
+		 */
+		do_action( 'csco_import_plugin', $plugin_slug, $plugin_path );
+
+		$this->send_json_error( esc_html__( 'Failed to initialize or activate importer plugin.', 'revision' ) );
+
+		$this->ajax_import_end();
+	}
+
+	/**
+	 * AJAX callback to import contents and media files from contents.xml.
+	 */
+	public function ajax_import_contents() {
+
+		$this->ajax_import_start();
+
+		check_ajax_referer( 'nonce', 'nonce' );
+
+		$import_type = 'default';
+
+		if ( ! isset( $_POST['url'] ) || ! sanitize_text_field( $_POST['url'] ) ) {
+			$this->send_json_error( esc_html__( 'The url address of the demo content is not specified.', 'revision' ) );
+		}
+
+		if ( isset( $_POST['type'] ) && sanitize_text_field( $_POST['type'] ) ) {
+			$import_type = sanitize_text_field( $_POST['type'] );
+		}
+
+		$file_url = sanitize_text_field( $_POST['url'] );
+
+		$xml_file_hash_id = 'csco_importer_data_' . md5( $file_url );
+
+		$xml_file_path = get_transient( $xml_file_hash_id );
+
+		if ( ! $xml_file_path ) {
+
+			if ( ! current_user_can( 'edit_theme_options' ) ) {
+				$this->send_json_error( esc_html__( 'You are not permitted to import contents.', 'revision' ) );
+			}
+
+			if ( ! isset( $file_url ) ) {
+				$this->send_json_error( esc_html__( 'No XML file specified.', 'revision' ) );
+			}
+
+			/**
+			 * Download contents.xml
+			 */
+			if ( ! function_exists( 'download_url' ) ) {
+				require_once ABSPATH . 'wp-admin/includes/file.php';
+			}
+
+			$url             = wp_unslash( $file_url );
+			$timeout_seconds = 5;
+
+			add_filter( 'https_ssl_verify', '__return_false' );
+
+			// Download file to temp dir.
+			$temp_file = download_url( $url, $timeout_seconds );
+
+			add_filter( 'https_local_ssl_verify', '__return_false' );
+
+			if ( is_wp_error( $temp_file ) ) {
+				$this->send_json_error( $temp_file->get_error_message() );
+			}
+
+			// Array based on $_FILE as seen in PHP file uploads.
+			$file_args = array(
+				'name'     => basename( $url ),
+				'tmp_name' => $temp_file,
+				'error'    => 0,
+				'size'     => filesize( $temp_file ),
+			);
+
+			$overrides = array(
+				// This tells WordPress to not look for the POST form
+				// fields that would normally be present. Default is true.
+				// Since the file is being downloaded from a remote server,
+				// there will be no form fields.
+				'test_form'   => false,
+
+				// Setting this to false lets WordPress allow empty files – not recommended.
+				'test_size'   => true,
+
+				// A properly uploaded file will pass this test.
+				// There should be no reason to override this one.
+				'test_upload' => true,
+
+				'mimes'       => array(
+					'xml' => 'text/xml',
+				),
+			);
+
+			// Move the temporary file into the uploads directory.
+			$download_response = wp_handle_sideload( $file_args, $overrides );
+
+			// Error when downloading XML file.
+			if ( isset( $download_response['error'] ) ) {
+				$this->send_json_error( $download_response['error'] );
+			}
+
+			// Define the downloaded contents.xml file path.
+			$xml_file_path = $download_response['file'];
+
+			set_transient( $xml_file_hash_id, $xml_file_path, HOUR_IN_SECONDS );
+		}
+
+		/**
+		 * Import content and media files using WXR Importer.
+		 */
+		if ( ! class_exists( 'WP_Importer' ) ) {
+			if ( ! defined( 'WP_LOAD_IMPORTERS' ) ) {
+				define( 'WP_LOAD_IMPORTERS', true );
+			}
+
+			require_once ABSPATH . 'wp-admin/includes/class-wp-importer.php';
+		}
+
+		/**
+		 * Import Core.
+		 */
+		require_once get_theme_file_path( '/core/theme-demos/import/wp-content-importer-v2/WPImporterLogger.php' );
+		require_once get_theme_file_path( '/core/theme-demos/import/wp-content-importer-v2/WPImporterLoggerCLI.php' );
+		require_once get_theme_file_path( '/core/theme-demos/import/wp-content-importer-v2/WXRImportInfo.php' );
+		require_once get_theme_file_path( '/core/theme-demos/import/wp-content-importer-v2/WXRImporter.php' );
+		require_once get_theme_file_path( '/core/theme-demos/import/wp-content-importer-v2/Logger.php' );
+
+		/**
+		 * Prepare the importer.
+		 */
+
+		// Time to run the import!
+		set_time_limit( 0 );
+
+		$this->microtime = microtime( true );
+
+		// Are we allowed to create users?
+		add_filter( 'wxr_importer.pre_process.user', '__return_null' );
+
+		// Check, if we need to send another AJAX request and set the importing author to the current user.
+		add_filter( 'wxr_importer.pre_process.post', array( $this, 'ajax_request_maybe' ) );
+
+		// Set the WordPress Importer v2 as the importer used in this plugin.
+		// More: https://github.com/humanmade/WordPress-Importer.
+		$importer = new CSCO_WXRImporter( array(
+			'fetch_attachments' => true,
+			'default_author'    => get_current_user_id(),
+		) );
+
+		/**
+		 * Logger options for the logger used in the importer.
+		 *
+		 * The csco_logger_options hook.
+		 *
+		 * @since 1.0.0
+		 */
+		$logger_options = apply_filters( 'csco_logger_options', array(
+			'logger_min_level' => 'warning',
+		) );
+
+		// Configure logger instance and set it to the importer.
+		$logger            = new CSCO_Logger();
+		$logger->min_level = $logger_options['logger_min_level'];
+
+		// Set logger.
+		$importer->set_logger( $logger );
+
+		/**
+		 * Process import.
+		 */
+		$importer->import( $xml_file_path );
+
+		// Is error ?.
+		if ( is_wp_error( $importer ) ) {
+			$this->send_json_error( $importer->get_error_message() );
+		}
+
+		if ( $logger->error_output ) {
+			$this->send_json_error( $logger->error_output );
+		}
+
+		/**
+		 * The csco_import_contents hook.
+		 *
+		 * @since 1.0.0
+		 */
+		do_action( 'csco_import_contents' );
+
+		/**
+		 * Return successful AJAX.
+		 */
+		$this->send_json_success();
+
+		$this->ajax_import_end();
+	}
+
+	/**
+	 * Check if we need to create a new AJAX request, so that server does not timeout.
+	 *
+	 * @param array $data current post data.
+	 * @return array
+	 */
+	public function ajax_request_maybe( $data ) {
+
+		$time = microtime( true ) - $this->microtime;
+
+		/**
+		 * We should make a new ajax call, if the time is right.
+		 *
+		 * The csco_time_for_one_ajax_call hook.
+		 *
+		 * @since 1.0.0
+		 */
+		if ( $time > apply_filters( 'csco_time_for_one_ajax_call', 22 ) ) {
+			$response = array(
+				'success' => true,
+				'status'  => 'newAJAX',
+				'message' => 'Time for new AJAX request!: ' . $time,
+			);
+
+			// Send the request for a new AJAX call.
+			wp_send_json( $response );
+		}
+
+		// Set importing author to the current user.
+		// Fixes the [WARNING] Could not find the author for ... log warning messages.
+		$current_user_obj = wp_get_current_user();
+
+		$data['post_author'] = $current_user_obj->user_login;
+
+		return $data;
+	}
+
+	/**
+	 * AJAX callback to import customizer settings from customizer.json.
+	 */
+	public function ajax_import_customizer() {
+
+		set_time_limit( 0 );
+
+		$this->ajax_import_start();
+
+		check_ajax_referer( 'nonce', 'nonce' );
+
+		if ( ! isset( $_POST['url'] ) || ! sanitize_text_field( $_POST['url'] ) ) {
+			$this->send_json_error( esc_html__( 'The url address of the demo content is not specified.', 'revision' ) );
+		}
+
+		$file_url = sanitize_text_field( $_POST['url'] );
+
+		if ( ! current_user_can( 'edit_theme_options' ) ) {
+			$this->send_json_error( esc_html__( 'You are not permitted to import customizer.', 'revision' ) );
+		}
+
+		if ( ! isset( $file_url ) ) {
+			$this->send_json_error( esc_html__( 'No customizer JSON file specified.', 'revision' ) );
+		}
+
+		/**
+		 * Process customizer.json.
+		 */
+
+		// Get JSON data from customizer.json.
+		$raw = wp_remote_get( wp_unslash( $file_url ), array(
+			'sslverify' => false,
+		) );
+
+		// Abort if customizer.json response code is not successful.
+		if ( 200 !== wp_remote_retrieve_response_code( $raw ) ) {
+			$this->send_json_error();
+		}
+
+		// Decode raw JSON string to associative array.
+		$data = json_decode( wp_remote_retrieve_body( $raw ), true );
+
+		$customizer = new CSCO_Customizer_Importer();
+
+		// Import.
+		$results = $customizer->import( $data );
+
+		if ( is_wp_error( $results ) ) {
+			$error_message = $results->get_error_message();
+
+			$this->send_json_error( $error_message );
+		}
+
+		/**
+		 * The csco_import_customizer hook.
+		 *
+		 * @since 1.0.0
+		 */
+		do_action( 'csco_import_customizer', $data );
+
+		/**
+		 * Return successful AJAX.
+		 */
+
+		$this->send_json_success();
+
+		$this->ajax_import_end();
+	}
+
+	/**
+	 * AJAX callback to import widgets on all sidebars from widgets.json.
+	 */
+	public function ajax_import_widgets() {
+
+		set_time_limit( 0 );
+
+		$this->ajax_import_start();
+
+		check_ajax_referer( 'nonce', 'nonce' );
+
+		if ( ! isset( $_POST['url'] ) || ! sanitize_text_field( $_POST['url'] ) ) {
+			$this->send_json_error( esc_html__( 'The url address of the demo content is not specified.', 'revision' ) );
+		}
+
+		$file_url = sanitize_text_field( $_POST['url'] );
+
+		if ( ! current_user_can( 'edit_theme_options' ) ) {
+			$this->send_json_error( esc_html__( 'You are not permitted to import widgets.', 'revision' ) );
+		}
+
+		if ( ! isset( $file_url ) ) {
+			$this->send_json_error( esc_html__( 'No widgets WIE file specified.', 'revision' ) );
+		}
+
+		/**
+		 * Process widgets.json.
+		 */
+
+		// Get JSON data from widgets.json.
+		$raw = wp_remote_get( wp_unslash( $file_url ), array(
+			'sslverify' => false,
+		) );
+
+		// Abort if customizer.json response code is not successful.
+		if ( 200 !== (int) wp_remote_retrieve_response_code( $raw ) ) {
+			$this->send_json_error();
+		}
+
+		// Decode raw JSON string to associative array.
+		$data = json_decode( wp_remote_retrieve_body( $raw ) );
+
+		$widgets = new CSCO_Widget_Importer();
+
+		// Import.
+		$results = $widgets->import( $data );
+
+		if ( is_wp_error( $results ) ) {
+			$error_message = $results->get_error_message();
+
+			$this->send_json_error( $error_message );
+		}
+
+		/**
+		 * The csco_import_widgets hook.
+		 *
+		 * @since 1.0.0
+		 */
+		do_action( 'csco_import_widgets' );
+
+		/**
+		 * Return successful AJAX.
+		 */
+		$this->send_json_success();
+
+		$this->ajax_import_end();
+	}
+
+	/**
+	 * AJAX callback to import other options from options.json.
+	 */
+	public function ajax_import_options() {
+
+		set_time_limit( 0 );
+
+		$this->ajax_import_start();
+
+		check_ajax_referer( 'nonce', 'nonce' );
+
+		if ( ! isset( $_POST['url'] ) || ! sanitize_text_field( $_POST['url'] ) ) {
+			$this->send_json_error( esc_html__( 'The url address of the demo content is not specified.', 'revision' ) );
+		}
+
+		$file_url = sanitize_text_field( $_POST['url'] );
+
+		if ( ! current_user_can( 'edit_theme_options' ) ) {
+			$this->send_json_error( esc_html__( 'You are not permitted to import options.', 'revision' ) );
+		}
+
+		if ( ! isset( $file_url ) ) {
+			$this->send_json_error( esc_html__( 'No options JSON file specified.', 'revision' ) );
+		}
+
+		/**
+		 * Process options.json.
+		 */
+
+		// Get JSON data from options.json.
+		$raw = wp_remote_get( wp_unslash( $file_url ), array(
+			'sslverify' => false,
+		) );
+
+		// Abort if customizer.json response code is not successful.
+		if ( 200 !== (int) wp_remote_retrieve_response_code( $raw ) ) {
+			$this->send_json_error();
+		}
+
+		// Decode raw JSON string to associative array.
+		$array = json_decode( wp_remote_retrieve_body( $raw ), true );
+
+		/**
+		 * Import options to DB.
+		 */
+		foreach ( $array as $key => $value ) {
+			// Skip option key with "__" prefix, because it will be treated specifically via the action hook.
+			if ( '__' === substr( $key, 0, 2 ) ) {
+				continue;
+			}
+
+			// Insert to options table.
+			update_option( $key, $value );
+		}
+
+		/**
+		 * The csco_import_options hook.
+		 *
+		 * @since 1.0.0
+		 */
+		do_action( 'csco_import_options', $array );
+
+		/**
+		 * Return successful AJAX.
+		 */
+		$this->send_json_success();
+
+		$this->ajax_import_end();
+	}
+
+	/**
+	 * AJAX callback to finish import.
+	 */
+	public function ajax_import_finish() {
+
+		set_time_limit( 0 );
+
+		$this->ajax_import_start();
+
+		/**
+		 * The csco_finish_import hook.
+		 *
+		 * @since 1.0.0
+		 */
+		do_action( 'csco_finish_import' );
+
+		/**
+		 * Return successful AJAX.
+		 */
+		$this->send_json_success();
+
+		$this->ajax_import_end();
+	}
+}
+
+new CSCO_Manager_Import();

core/theme-demos/import/class-widget-importer.php

@@ -0,0 +1,317 @@
+<?php
+/**
+ * Class for the widget importer.
+ *
+ * Code is mostly from the Widget Importer & Exporter plugin.
+ *
+ * @see https://wordpress.org/plugins/widget-importer-exporter/
+ * @package Revision
+ */
+
+/**
+ * Widget Importer
+ */
+class CSCO_Widget_Importer {
+	/**
+	 * Import widgets from WIE or JSON file.
+	 *
+	 * @param array $data The data.
+	 */
+	public static function import( $data ) {
+		// Import widgets and return result.
+		return self::import_data( $data );
+	}
+
+	/**
+	 * Import widget JSON data
+	 *
+	 * @global array $wp_registered_sidebars
+	 * @param object $data JSON widget data.
+	 * @return array $results
+	 */
+	private static function import_data( $data ) {
+		global $wp_registered_sidebars;
+
+		// Have valid data? If no data or could not decode.
+		if ( empty( $data ) || ! is_object( $data ) ) {
+			return new WP_Error(
+				'corrupted_widget_import_data',
+				__( 'Error: Widget import data could not be read. Please try a different file.', 'revision' )
+			);
+		}
+
+		/**
+		 * Hook before import.
+		 *
+		 * The csco_widget_importer_before_widgets_import hook.
+		 *
+		 * @since 1.0.0
+		 */
+		do_action( 'csco_widget_importer_before_widgets_import' );
+
+		/**
+		 * The csco_before_widgets_import_data hook.
+		 *
+		 * @since 1.0.0
+		 */
+		$data = apply_filters( 'csco_before_widgets_import_data', $data );
+
+		// Get all available widgets site supports.
+		$available_widgets = self::available_widgets();
+
+		// Get all existing widget instances.
+		$widget_instances = array();
+
+		foreach ( $available_widgets as $widget_data ) {
+			$widget_instances[ $widget_data['id_base'] ] = get_option( 'widget_' . $widget_data['id_base'] );
+		}
+
+		// Begin results.
+		$results = array();
+
+		// Loop import data's sidebars.
+		foreach ( $data as $sidebar_id => $widgets ) {
+			// Skip inactive widgets (should not be in export file).
+			if ( 'wp_inactive_widgets' === $sidebar_id ) {
+				continue;
+			}
+
+			// Check if sidebar is available on this site. Otherwise add widgets to inactive, and say so.
+			if ( isset( $wp_registered_sidebars[ $sidebar_id ] ) ) {
+				$sidebar_available    = true;
+				$use_sidebar_id       = $sidebar_id;
+				$sidebar_message_type = 'success';
+				$sidebar_message      = '';
+			} else {
+				$sidebar_available    = false;
+				$use_sidebar_id       = 'wp_inactive_widgets'; // Add to inactive if sidebar does not exist in theme.
+				$sidebar_message_type = 'error';
+				$sidebar_message      = __( 'Sidebar does not exist in theme (moving widget to Inactive)', 'revision' );
+			}
+
+			// Result for sidebar.
+			$results[ $sidebar_id ]['name']         = ! empty( $wp_registered_sidebars[ $sidebar_id ]['name'] ) ? $wp_registered_sidebars[ $sidebar_id ]['name'] : $sidebar_id; // Sidebar name if theme supports it; otherwise ID.
+			$results[ $sidebar_id ]['message_type'] = $sidebar_message_type;
+			$results[ $sidebar_id ]['message']      = $sidebar_message;
+			$results[ $sidebar_id ]['widgets']      = array();
+
+			// Loop widgets.
+			foreach ( $widgets as $widget_instance_id => $widget ) {
+				$fail = false;
+
+				// Get id_base (remove -# from end) and instance ID number.
+				$id_base            = preg_replace( '/-[0-9]+$/', '', $widget_instance_id );
+				$instance_id_number = str_replace( $id_base . '-', '', $widget_instance_id );
+
+				// Does site support this widget?
+				if ( ! $fail && ! isset( $available_widgets[ $id_base ] ) ) {
+					$fail                = true;
+					$widget_message_type = 'error';
+					$widget_message      = __( 'Site does not support widget', 'revision' ); // Explain why widget not imported.
+				}
+
+				// Filter to modify settings object before conversion to array and import.
+				// Leave this filter here for backwards compatibility with manipulating objects (before conversion to array below).
+				// Ideally the newer wie_widget_settings_array below will be used instead of this.
+
+				/**
+				 * Filter to modify settings object before conversion to array and import.
+				 * Leave this filter here for backwards compatibility with manipulating objects (before conversion to array below).
+				 * Ideally the newer wie_widget_settings_array below will be used instead of this.
+				 *
+				 * The csco_widget_settings hook.
+				 *
+				 * @since 1.0.0
+				 */
+				$widget = apply_filters( 'csco_widget_settings', $widget ); // Object.
+
+				// Convert multidimensional objects to multidimensional arrays.
+				// Some plugins like Jetpack Widget Visibility store settings as multidimensional arrays.
+				// Without this, they are imported as objects and cause fatal error on Widgets page.
+				// If this creates problems for plugins that do actually intend settings in objects then may need to consider other approach: https://wordpress.org/support/topic/problem-with-array-of-arrays.
+				// It is probably much more likely that arrays are used than objects, however.
+				$widget = json_decode( json_encode( $widget ), true );
+
+				/**
+				 * Filter to modify settings array.
+				 * This is preferred over the older wie_widget_settings filter above.
+				 * Do before identical check because changes may make it identical to end result (such as URL replacements).
+				 *
+				 * The csco_widget_settings_array hook.
+				 *
+				 * @since 1.0.0
+				 */
+				$widget = apply_filters( 'csco_widget_settings_array', $widget );
+
+				// Does widget with identical settings already exist in same sidebar?
+				if ( ! $fail && isset( $widget_instances[ $id_base ] ) ) {
+					// Get existing widgets in this sidebar.
+					$sidebars_widgets = get_option( 'sidebars_widgets' );
+					$sidebar_widgets  = isset( $sidebars_widgets[ $use_sidebar_id ] ) ? $sidebars_widgets[ $use_sidebar_id ] : array(); // Check Inactive if that's where will go.
+
+					// Loop widgets with ID base.
+					$single_widget_instances = ! empty( $widget_instances[ $id_base ] ) ? $widget_instances[ $id_base ] : array();
+					foreach ( $single_widget_instances as $check_id => $check_widget ) {
+						// Is widget in same sidebar and has identical settings?
+						if ( in_array( "$id_base-$check_id", $sidebar_widgets ) && (array) $widget == $check_widget ) {
+							$fail                = true;
+							$widget_message_type = 'warning';
+							$widget_message      = __( 'Widget already exists', 'revision' ); // Explain why widget not imported.
+
+							break;
+						}
+					}
+				}
+
+				// No failure.
+				if ( ! $fail ) {
+					// Add widget instance.
+					$single_widget_instances   = get_option( 'widget_' . $id_base ); // All instances for that widget ID base, get fresh every time.
+					$single_widget_instances   = ! empty( $single_widget_instances ) ? $single_widget_instances : array( '_multiwidget' => 1 ); // Start fresh if have to.
+					$single_widget_instances[] = $widget; // Add it.
+
+					// Get the key it was given.
+					end( $single_widget_instances );
+					$new_instance_id_number = key( $single_widget_instances );
+
+					// If key is 0, make it 1.
+					// When 0, an issue can occur where adding a widget causes data from other widget to load, and the widget doesn't stick (reload wipes it).
+					if ( '0' === strval( $new_instance_id_number ) ) {
+						$new_instance_id_number                             = 1;
+						$single_widget_instances[ $new_instance_id_number ] = $single_widget_instances[0];
+						unset( $single_widget_instances[0] );
+					}
+
+					// Move _multiwidget to end of array for uniformity.
+					if ( isset( $single_widget_instances['_multiwidget'] ) ) {
+						$multiwidget = $single_widget_instances['_multiwidget'];
+						unset( $single_widget_instances['_multiwidget'] );
+						$single_widget_instances['_multiwidget'] = $multiwidget;
+					}
+
+					// Update option with new widget.
+					update_option( 'widget_' . $id_base, $single_widget_instances );
+
+					// Assign widget instance to sidebar.
+					$sidebars_widgets = get_option( 'sidebars_widgets' ); // Which sidebars have which widgets, get fresh every time.
+
+					// Avoid rarely fatal error when the option is an empty string
+					// https://github.com/churchthemes/widget-importer-exporter/pull/11.
+					if ( ! $sidebars_widgets ) {
+						$sidebars_widgets = array();
+					}
+
+					$new_instance_id = $id_base . '-' . $new_instance_id_number; // Use ID number from new widget instance.
+
+					$sidebars_widgets[ $use_sidebar_id ][] = $new_instance_id; // Add new instance to sidebar.
+					update_option( 'sidebars_widgets', $sidebars_widgets ); // Save the amended data.
+
+					// After widget import action.
+					$after_widget_import = array(
+						'sidebar'           => $use_sidebar_id,
+						'sidebar_old'       => $sidebar_id,
+						'widget'            => $widget,
+						'widget_type'       => $id_base,
+						'widget_id'         => $new_instance_id,
+						'widget_id_old'     => $widget_instance_id,
+						'widget_id_num'     => $new_instance_id_number,
+						'widget_id_num_old' => $instance_id_number,
+					);
+
+					/**
+					 * The csco_widget_importer_after_single_widget_import hook.
+					 *
+					 * @since 1.0.0
+					 */
+					do_action( 'csco_widget_importer_after_single_widget_import', $after_widget_import );
+
+					// Success message.
+					if ( $sidebar_available ) {
+						$widget_message_type = 'success';
+						$widget_message      = __( 'Imported', 'revision' );
+					} else {
+						$widget_message_type = 'warning';
+						$widget_message      = __( 'Imported to Inactive', 'revision' );
+					}
+				}
+
+				// Result for widget instance.
+				$results[ $sidebar_id ]['widgets'][ $widget_instance_id ]['name']         = isset( $available_widgets[ $id_base ]['name'] ) ? $available_widgets[ $id_base ]['name'] : $id_base; // Widget name or ID if name not available (not supported by site).
+				$results[ $sidebar_id ]['widgets'][ $widget_instance_id ]['title']        = ! empty( $widget['title'] ) ? $widget['title'] : __( 'No Title', 'revision' ); // Show "No Title" if widget instance is untitled.
+				$results[ $sidebar_id ]['widgets'][ $widget_instance_id ]['message_type'] = $widget_message_type;
+				$results[ $sidebar_id ]['widgets'][ $widget_instance_id ]['message']      = $widget_message;
+
+			}
+		}
+
+		/**
+		 * Hook after import.
+		 *
+		 * The csco_widget_importer_after_widgets_import hook.
+		 *
+		 * @since 1.0.0
+		 */
+		do_action( 'csco_widget_importer_after_widgets_import' );
+
+		/**
+		 * Return results.
+		 *
+		 * The csco_widget_import_results hook.
+		 *
+		 * @since 1.0.0
+		 */
+		return apply_filters( 'csco_widget_import_results', $results );
+	}
+
+
+	/**
+	 * Available widgets.
+	 *
+	 * Gather site's widgets into array with ID base, name, etc.
+	 *
+	 * @global array $wp_registered_widget_controls
+	 * @return array $available_widgets, Widget information
+	 */
+	private static function available_widgets() {
+		global $wp_registered_widget_controls;
+
+		$widget_controls   = $wp_registered_widget_controls;
+		$available_widgets = array();
+
+		foreach ( $widget_controls as $widget ) {
+			if ( ! empty( $widget['id_base'] ) && ! isset( $available_widgets[ $widget['id_base'] ] ) ) {
+				$available_widgets[ $widget['id_base'] ]['id_base'] = $widget['id_base'];
+				$available_widgets[ $widget['id_base'] ]['name']    = $widget['name'];
+			}
+		}
+
+		/**
+		 * The csco_available_widgets hook.
+		 *
+		 * @since 1.0.0
+		 */
+		return apply_filters( 'csco_available_widgets', $available_widgets );
+	}
+
+
+	/**
+	 * Format results for log file
+	 *
+	 * @param array $results widget import results.
+	 */
+	private static function format_results_for_log( $results ) {
+		if ( empty( $results ) ) {
+			esc_html_e( 'No results for widget import!', 'revision' );
+		}
+
+		// Loop sidebars.
+		foreach ( $results as $sidebar ) {
+			echo esc_html( $sidebar['name'] ) . ' : ' . esc_html( $sidebar['message'] ) . PHP_EOL . PHP_EOL;
+			// Loop widgets.
+			foreach ( $sidebar['widgets'] as $widget ) {
+				echo esc_html( $widget['name'] ) . ' - ' . esc_html( $widget['title'] ) . ' - ' . esc_html( $widget['message'] ) . PHP_EOL;
+			}
+			echo PHP_EOL;
+		}
+	}
+}

core/theme-demos/import/wp-content-importer-v2/Logger.php

@@ -0,0 +1,53 @@
+<?php
+/**
+ * Logger Class
+ *
+ * @package Revision
+ */
+
+/**
+ * Logger Class
+ */
+class CSCO_Logger extends CSCO_WPImporterLoggerCLI {
+	/**
+	 * Variable for front-end error display.
+	 *
+	 * @var string
+	 */
+	public $error_output = '';
+
+	/**
+	 * Overwritten log function from CSCO_WP_Importer_Logger_CLI.
+	 *
+	 * Logs with an arbitrary level.
+	 *
+	 * @param mixed  $level level of reporting.
+	 * @param string $message log message.
+	 * @param array  $context context to the log message.
+	 */
+	public function log( $level, $message, array $context = array() ) {
+		// Save error messages for front-end display.
+		$this->error_output( $level, $message, $context = array() );
+
+		if ( $this->level_to_numeric( $level ) < $this->level_to_numeric( $this->min_level ) ) {
+			return;
+		}
+	}
+
+
+	/**
+	 * Save messages for error output.
+	 * Only the messages greater then Error.
+	 *
+	 * @param mixed  $level level of reporting.
+	 * @param string $message log message.
+	 * @param array  $context context to the log message.
+	 */
+	public function error_output( $level, $message, array $context = array() ) {
+		if ( $this->level_to_numeric( $level ) < $this->level_to_numeric( 'error' ) ) {
+			return;
+		}
+
+		$this->error_output .= sprintf( '[%s] %s<br>', strtoupper( $level ), $message );
+	}
+}

core/theme-demos/import/wp-content-importer-v2/WPImporterLogger.php

@@ -0,0 +1,126 @@
+<?php
+/**
+ * Describes a logger instance
+ *
+ * Based on PSR-3: http://www.php-fig.org/psr/psr-3/
+ *
+ * The message MUST be a string or object implementing __toString().
+ *
+ * The message MAY contain placeholders in the form: {foo} where foo
+ * will be replaced by the context data in key "foo".
+ *
+ * The context array can contain arbitrary data, the only assumption that
+ * can be made by implementors is that if an Exception instance is given
+ * to produce a stack trace, it MUST be in a key named "exception".
+ *
+ * See https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logger-interface.md
+ * for the full interface specification.
+ */
+class CSCO_WPImporterLogger {
+	/**
+	 * System is unusable.
+	 *
+	 * @param string $message The message.
+	 * @param array  $context The context.
+	 */
+	public function emergency( $message, array $context = array() ) {
+		return $this->log( 'emergency', $message, $context );
+	}
+
+	/**
+	 * Action must be taken immediately.
+	 *
+	 * Example: Entire website down, database unavailable, etc. This should
+	 * trigger the SMS alerts and wake you up.
+	 *
+	 * @param string $message The message.
+	 * @param array  $context The context.
+	 */
+	public function alert( $message, array $context = array() ) {
+		return $this->log( 'alert', $message, $context );
+	}
+
+	/**
+	 * Critical conditions.
+	 *
+	 * Example: Application component unavailable, unexpected exception.
+	 *
+	 * @param string $message The message.
+	 * @param array  $context The context.
+	 */
+	public function critical( $message, array $context = array() ) {
+		return $this->log( 'critical', $message, $context );
+	}
+
+	/**
+	 * Runtime errors that do not require immediate action but should typically
+	 * be logged and monitored.
+	 *
+	 * @param string $message The message.
+	 * @param array  $context The context.
+	 */
+	public function error( $message, array $context = array() ) {
+		return $this->log( 'error', $message, $context );
+	}
+
+	/**
+	 * Exceptional occurrences that are not errors.
+	 *
+	 * Example: Use of deprecated APIs, poor use of an API, undesirable things
+	 * that are not necessarily wrong.
+	 *
+	 * @param string $message The message.
+	 * @param array  $context The context.
+	 */
+	public function warning( $message, array $context = array() ) {
+		return $this->log( 'warning', $message, $context );
+	}
+
+	/**
+	 * Normal but significant events.
+	 *
+	 * @param string $message The message.
+	 * @param array  $context The context.
+	 */
+	public function notice( $message, array $context = array() ) {
+		return $this->log( 'notice', $message, $context );
+	}
+
+	/**
+	 * Interesting events.
+	 *
+	 * Example: User logs in, SQL logs.
+	 *
+	 * @param string $message The message.
+	 * @param array  $context The context.
+	 */
+	public function info( $message, array $context = array() ) {
+		return $this->log( 'info', $message, $context );
+	}
+
+	/**
+	 * Detailed debug information.
+	 *
+	 * @param string $message The message.
+	 * @param array  $context The context.
+	 */
+	public function debug( $message, array $context = array() ) {
+		return $this->log( 'debug', $message, $context );
+	}
+
+	/**
+	 * Logs with an arbitrary level.
+	 *
+	 * @param mixed  $level   The level.
+	 * @param string $message The message.
+	 * @param array  $context The context.
+	 */
+	public function log( $level, $message, array $context = array() ) {
+		$this->messages[] = array(
+			'timestamp' => time(),
+			'level'     => $level,
+			'message'   => $message,
+			'context'   => $context,
+		);
+	}
+}

core/theme-demos/import/wp-content-importer-v2/WPImporterLoggerCLI.php

@@ -0,0 +1,47 @@
+<?php
+/**
+ * WP Importer Logger CLI Class
+ *
+ * @package Revision
+ */
+
+/**
+ * WP Importer Logger CLI Class
+ */
+class CSCO_WPImporterLoggerCLI extends CSCO_WPImporterLogger {
+	public $min_level = 'notice';
+
+	/**
+	 * Logs with an arbitrary level.
+	 *
+	 * @param mixed  $level
+	 * @param string $message
+	 * @param array  $context
+	 * @return null
+	 */
+	public function log( $level, $message, array $context = array() ) {
+		if ( $this->level_to_numeric( $level ) < $this->level_to_numeric( $this->min_level ) ) {
+			return;
+		}
+
+		call_user_func( 'printf', '[%s] %s' . PHP_EOL, strtoupper( $level ), $message );
+	}
+
+	public static function level_to_numeric( $level ) {
+		$levels = array(
+			'emergency' => 8,
+			'alert'     => 7,
+			'critical'  => 6,
+			'error'     => 5,
+			'warning'   => 4,
+			'notice'    => 3,
+			'info'      => 2,
+			'debug'     => 1,
+		);
+		if ( ! isset( $levels[ $level ] ) ) {
+			return 0;
+		}
+
+		return $levels[ $level ];
+	}
+}

core/theme-demos/import/wp-content-importer-v2/WXRImportInfo.php

@@ -0,0 +1,20 @@
+<?php
+/**
+ * WP Importer Info Class
+ */
+
+/**
+ * WP Importer Info Class
+ */
+class CSCO_WXRImportInfo {
+	public $home;
+	public $siteurl;
+	public $title;
+	public $users         = array();
+	public $post_count    = 0;
+	public $media_count   = 0;
+	public $comment_count = 0;
+	public $term_count    = 0;
+	public $generator     = '';
+	public $version;
+}