Updates

wp-content/plugins/wordpress-seo/admin/class-import.php

@@ -0,0 +1,183 @@
+<?php
+/**
+ * @package WPSEO\Admin\Import
+ */
+
+/**
+ * class WPSEO_Import
+ *
+ * Class with functionality to import the WP SEO settings
+ */
+class WPSEO_Import {
+
+	/**
+	 * Message about the import
+	 *
+	 * @var string
+	 */
+	public $msg = '';
+
+	/**
+	 * @var array
+	 */
+	private $file;
+
+	/**
+	 * @var string
+	 */
+	private $filename;
+
+	/**
+	 * @var string
+	 */
+	private $old_wpseo_version = null;
+
+	/**
+	 * @var string
+	 */
+	private $path;
+
+	/**
+	 * @var array
+	 */
+	private $upload_dir;
+
+	/**
+	 * Class constructor
+	 */
+	public function __construct() {
+		if ( ! $this->handle_upload() ) {
+			return;
+		}
+
+		$this->determine_path();
+
+		if ( ! $this->unzip_file() ) {
+			$this->clean_up();
+
+			return;
+		}
+
+		$this->parse_options();
+
+		$this->clean_up();
+	}
+
+	/**
+	 * Handle the file upload
+	 *
+	 * @return boolean
+	 */
+	private function handle_upload() {
+		$this->file = wp_handle_upload( $_FILES['settings_import_file'] );
+		if ( is_wp_error( $this->file ) ) {
+			$this->msg = __( 'Settings could not be imported:', 'wordpress-seo' ) . ' ' . $this->file->get_error_message();
+
+			return false;
+		}
+		elseif ( ! isset( $this->file['file'] ) ) {
+			$this->msg = __( 'Settings could not be imported:', 'wordpress-seo' ) . ' ' . __( 'Upload failed.', 'wordpress-seo' );
+
+			return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Determine the path to the import file
+	 */
+	private function determine_path() {
+		$this->upload_dir = wp_upload_dir();
+
+		if ( ! defined( 'DIRECTORY_SEPARATOR' ) ) {
+			define( 'DIRECTORY_SEPARATOR', '/' );
+		}
+		$this->path = $this->upload_dir['basedir'] . DIRECTORY_SEPARATOR . 'wpseo-import' . DIRECTORY_SEPARATOR;
+
+		if ( ! isset( $GLOBALS['wp_filesystem'] ) || ! is_object( $GLOBALS['wp_filesystem'] ) ) {
+			WP_Filesystem();
+		}
+	}
+
+	/**
+	 * Unzip the file
+	 *
+	 * @return boolean
+	 */
+	private function unzip_file() {
+		$unzipped = unzip_file( $this->file['file'], $this->path );
+		if ( is_wp_error( $unzipped ) ) {
+			$this->msg = __( 'Settings could not be imported:', 'wordpress-seo' ) . ' ' . sprintf( __( 'Unzipping failed with error "%s".', 'wordpress-seo' ), $unzipped->get_error_message() );
+
+			return false;
+		}
+
+		$this->filename = $this->path . 'settings.ini';
+		if ( ! is_file( $this->filename ) || ! is_readable( $this->filename ) ) {
+			$this->msg = __( 'Settings could not be imported:', 'wordpress-seo' ) . ' ' . __( 'Unzipping failed - file settings.ini not found.', 'wordpress-seo' );
+
+			return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Parse the option file
+	 */
+	private function parse_options() {
+		$options = parse_ini_file( $this->filename, true );
+
+		if ( is_array( $options ) && $options !== array() ) {
+			if ( isset( $options['wpseo']['version'] ) && $options['wpseo']['version'] !== '' ) {
+				$this->old_wpseo_version = $options['wpseo']['version'];
+			}
+			foreach ( $options as $name => $opt_group ) {
+				$this->parse_option_group( $name, $opt_group, $options );
+			}
+			$this->msg = __( 'Settings successfully imported.', 'wordpress-seo' );
+		}
+		else {
+			$this->msg = __( 'Settings could not be imported:', 'wordpress-seo' ) . ' ' . __( 'No settings found in file.', 'wordpress-seo' );
+		}
+	}
+
+	/**
+	 * Parse the option group and import it
+	 *
+	 * @param string $name
+	 * @param array  $opt_group
+	 * @param array  $options
+	 */
+	private function parse_option_group( $name, $opt_group, $options ) {
+		if ( $name === 'wpseo_taxonomy_meta' ) {
+			$opt_group = json_decode( urldecode( $opt_group['wpseo_taxonomy_meta'] ), true );
+		}
+
+		// Make sure that the imported options are cleaned/converted on import
+		$option_instance = WPSEO_Options::get_option_instance( $name );
+		if ( is_object( $option_instance ) && method_exists( $option_instance, 'import' ) ) {
+			$option_instance->import( $opt_group, $this->old_wpseo_version, $options );
+		}
+		elseif ( WP_DEBUG === true || ( defined( 'WPSEO_DEBUG' ) && WPSEO_DEBUG === true ) ) {
+			$this->msg = sprintf( __( 'Setting "%s" is no longer used and has been discarded.', 'wordpress-seo' ), $name );
+		}
+	}
+
+	/**
+	 * Remove the files
+	 */
+	private function clean_up() {
+		if ( file_exists( $this->filename ) && is_writable( $this->filename ) ) {
+			unlink( $this->filename );
+		}
+		if ( file_exists( $this->file['file'] ) && is_writable( $this->file['file'] ) ) {
+			unlink( $this->file['file'] );
+		}
+		if ( file_exists( $this->path ) && is_writable( $this->path ) ) {
+			rmdir( $this->path );
+		}
+	}
+
+}