Viewing file:  class-import.php (4.88 KB) -rw-r--r--
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<?php
/**
* @package WPSEO\Admin\Import
*/
/**
* Class WPSEO_Import
*
* Class with functionality to import the Yoast SEO settings
*/
class WPSEO_Import {
/**
* Message about the import
*
* @var string
*/
public $msg = '';
/** @var bool $success If import was a success flag. */
public $success = false;
/**
* @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() {
$overrides = array( 'mimes' => array( 'zip' => 'application/zip' ) ); // Explicitly allow zip in multisite.
$this->file = wp_handle_upload( $_FILES['settings_import_file'], $overrides );
if ( is_wp_error( $this->file ) ) {
$this->msg = __( 'Settings could not be imported:', 'wordpress-seo' ) . ' ' . $this->file->get_error_message();
return false;
}
if ( is_array( $this->file ) && isset( $this->file['error'] ) ) {
$this->msg = __( 'Settings could not be imported:', 'wordpress-seo' ) . ' ' . $this->file['error'];
return false;
}
if ( ! 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' );
$this->success = true;
}
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 Name string.
* @param array $opt_group Option group data.
* @param array $options Options data.
*/
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 ( ! empty( $this->file['file'] ) && file_exists( $this->file['file'] ) && is_writable( $this->file['file'] ) ) {
unlink( $this->file['file'] );
}
if ( file_exists( $this->path ) && is_writable( $this->path ) ) {
$wp_file = new WP_Filesystem_Direct( $this->path );
$wp_file->rmdir( $this->path, true );
}
}
}
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