admin_page = ''; $this->token = 'evolve-options-backup'; } // End Constructor /** * init() * * Initialize the class. * * @since 1.0.0 */ function init() { if ( is_admin() && ( get_option( 'framework_woo_backupmenu_disable' ) != 'true' ) ) { // Register the admin screen. add_action( 'admin_menu', array( &$this, 'register_admin_screen' ), 20 ); } } // End init() /** * register_admin_screen() * * Register the admin screen within WordPress. * * @since 1.0.0 */ function register_admin_screen() { $this->admin_page = add_theme_page( __( 'evolve Setting Import / Export', 'evolve' ), __( 'evolve Backup', 'evolve' ), 'manage_options', $this->token, array( &$this, 'admin_screen' ) ); // Admin screen logic. add_action( 'load-' . $this->admin_page, array( &$this, 'admin_screen_logic' ) ); // Add contextual help. add_action( 'load-' . $this->admin_page, array( &$this, 'admin_screen_help' ), 10, 3 ); add_action( 'admin_notices', array( &$this, 'admin_notices' ), 10 ); } // End register_admin_screen() /** * admin_screen() * * Load the admin screen. * * @since 1.0.0 */ function admin_screen() { $export_type = 'all'; if ( isset( $_POST['export-type'] ) ) { $export_type = esc_attr( $_POST['export-type'] ); } ?>

add_help_tab( array( 'id' => 'of_options_page_help', 'title' => __( 'Backup Manager', 'evolve' ), 'content' => '

' . __( 'Welcome to the evolve Backup Manager.', 'evolve' ) . '

' . '

' . __( 'Here are a few notes on using this screen.', 'evolve' ) . '

' . '

' . __( 'The backup manager allows you to backup or restore your "Theme Options" and other settings to or from a text file.', 'evolve' ) . '

' . '

' . __( 'To create a backup, simply select the setting type you\'d like to backup (or "All Settings") and hit the "Download Export File" button.', 'evolve' ) . '

' . '

' . __( 'To restore your settings from a backup, browse your computer for the file (under the "Import Settings" heading) and hit the "Upload File and Import" button. This will restore only the settings that have changed since the backup.', 'evolve' ) . '

' . '

' . __( 'Please note that only valid backup files generated through the evolve Backup Manager should be imported.', 'evolve' ) . '

' ) ); } // End admin_screen_help() /** * admin_notices() * * Display admin notices when performing backup/restore. * * @since 1.0.0 */ function admin_notices() { if ( !isset( $_GET['page'] ) || ( $_GET['page'] != $this->token ) ) { return; } echo '

' . sprintf( __( 'Please note that this backup manager backs up only your settings and not your content. To backup your content, please use the %sWordPress Export Tool%s.', 'evolve' ), '', '' ) . '

' . "\n"; if ( isset( $_GET['error'] ) && $_GET['error'] == 'true' ) { echo '

' . __( 'There was a problem importing your settings. Please Try again.', 'evolve' ) . '

'; } else if ( isset( $_GET['error-export'] ) && $_GET['error-export'] == 'true' ) { echo '

' . __( 'There was a problem exporting your settings. Please Try again.', 'evolve' ) . '

'; } else if ( isset( $_GET['invalid'] ) && $_GET['invalid'] == 'true' ) { echo '

' . __( 'The import file you\'ve provided is invalid. Please try again.', 'evolve' ) . '

'; } else if ( isset( $_GET['imported'] ) && $_GET['imported'] == 'true' ) { echo '

' . sprintf( __( 'Settings successfully imported. | Return to %sTheme Options%s', 'evolve' ), '', '' ) . '

'; } // End IF Statement } // End admin_notices() /** * admin_screen_logic() * * The processing code to generate the backup or restore from a previous backup. * * @since 1.0.0 */ function admin_screen_logic() { if ( !isset( $_POST['evolve-backup-export'] ) && isset( $_POST['evolve-backup-import'] ) && ( $_POST['evolve-backup-import'] == true ) ) { $this->import(); } if ( !isset( $_POST['evolve-backup-import'] ) && isset( $_POST['evolve-backup-export'] ) && ( $_POST['evolve-backup-export'] == true ) ) { $this->export(); } } // End admin_screen_logic() /** * import() * * Import settings from a backup file. * * @since 1.0.0 */ function import() { check_admin_referer( 'evolve-backup-import' ); // Security check. if ( !isset( $_FILES['evolve-import-file'] ) ) { return; } // We can't import the settings without a settings file. // Extract file contents $upload = implode( '', file( $_FILES['evolve-import-file']['tmp_name'] ) ); // Decode the JSON from the uploaded file $datafile = json_decode( $upload, true ); // Check for errors if ( !$datafile || $_FILES['evolve-import-file']['error'] ) { wp_redirect( admin_url( 'themes.php?page=' . $this->token . '&error=true' ) ); exit; } // Make sure this is a valid backup file. if ( !isset( $datafile['evolve-backup-validator'] ) ) { wp_redirect( admin_url( 'themes.php?page=' . $this->token . '&invalid=true' ) ); exit; } else { unset( $datafile['evolve-backup-validator'] ); // Now that we've checked it, we don't need the field anymore. } // Get the theme name from the database. $evolve_data = get_option( 'evolve' ); $evolve_name = $evolve_data['id']; //$evolve_name = get_option( $evolve_name ); // Update the settings in the database if ( update_option( $evolve_name, $datafile ) ) { // Redirect, add success flag to the URI wp_redirect( admin_url( 'themes.php?page=' . $this->token . '&imported=true' ) ); exit; } else { // Errors: update fail var_dump( $evolve_name ); wp_redirect( admin_url( 'themes.php?page=' . $this->token . '&error=true' ) ); exit; } } // End import() /** * export() * * Export settings to a backup file. * * @since 1.0.0 * @uses global $wpdb */ function export() { global $wpdb; check_admin_referer( 'evolve-backup-export' ); // Security check. $evolve_settings = get_option( 'evolve' ); $database_options = get_option( $evolve_settings['id'] ); // Error trapping for the export. if ( $database_options == '' ) { wp_redirect( admin_url( 'themes.php?page=' . $this->token . '&error-export=true' ) ); return; } if ( !$database_options ) { return; } // Add our custom marker, to ensure only valid files are imported successfully. $database_options['evolve-backup-validator'] = date( 'Y-m-d h:i:s' ); // Generate the export file. $output = json_encode( (array) $database_options ); header( 'Content-Description: File Transfer' ); header( 'Cache-Control: public, must-revalidate' ); header( 'Pragma: hack' ); header( 'Content-Type: text/plain' ); header( 'Content-Disposition: attachment; filename="' . $this->token . '-' . date( 'Ymd-His' ) . '.json"' ); header( 'Content-Length: ' . strlen( $output ) ); echo $output; exit; } // End export() } // End Class /** * Create $woo_backup Object. * * @since 1.0.0 * @uses evolve_Backup */ $of_backup = new evolve_Backup(); $of_backup->init(); ?>