Ubuntu
title = __( 'Check if your installation contains backed up wp-config.php files like wp-config.bak, wp-config.old etc.', 'secupress' );
$this->more = __( 'Some attackers will try to find some backed up config files to try to steal them. Prevent this kind of attack simply by removing them.', 'secupress' );
$this->more_fix = __( 'Rename all the wp-config.bak/.old files using a random name and still using the .php extension to prevent being downloaded.', 'secupress' );
}
/**
* Get messages.
*
* @since 1.0
*
* @param (int) $message_id A message ID.
*
* @return (string|array) A message if a message ID is provided. An array containing all messages otherwise.
*/
public static function get_messages( $message_id = null ) {
$messages = array(
// "good"
0 => __( 'You don’t have backed up wp-config files.', 'secupress' ),
1 => _n_noop( 'Your backed up wp-config.php file was successfully suffixed with %s.', 'Your backed up wp-config.php files were successfully suffixed with %s.', 'secupress' ),
// "warning"
100 => _n_noop( '%1$d backed up wp-config.php file was successfully suffixed with %2$s.', '%1$d backed up wp-config.php files were successfully suffixed with %2$s.', 'secupress' ),
101 => _n_noop( 'Sorry, this file could not be renamed: %s', 'Sorry, those files could not be renamed: %s', 'secupress' ),
// "bad"
200 => _n_noop( 'Your installation should not contain this backed up wp-config.php file: %s.', 'Your installation should not contain these backed up wp-config.php files: %s.', 'secupress' ),
201 => _n_noop( 'Sorry, the backed up wp-config.php file could not be renamed.', 'Sorry, the backed up wp-config.php files could not be renamed.', 'secupress' ),
);
if ( isset( $message_id ) ) {
return isset( $messages[ $message_id ] ) ? $messages[ $message_id ] : __( 'Unknown message', 'secupress' );
}
return $messages;
}
/** Getters. ================================================================================ */
/**
* Get the documentation URL.
*
* @since 1.2.3
*
* @return (string)
*/
public static function get_docs_url() {
return __( 'https://docs.secupress.me/article/96-wp-config-php-file-backups-scan', 'secupress' );
}
/** Scan. =================================================================================== */
/**
* Scan for flaw(s).
*
* @since 1.0
*
* @return (array) The scan results.
*/
public function scan() {
$activated = $this->filter_scanner( __CLASS__ );
if ( true === $activated ) {
$this->add_message( 0 );
return parent::scan();
}
$files = static::get_files();
if ( $files ) {
// "bad"
$files = self::wrap_in_tag( $files );
$this->add_message( 200, array( count( $files ), $files ) );
} else {
// "good"
$this->add_message( 0 );
}
return parent::scan();
}
/** Fix. ==================================================================================== */
/**
* Try to fix the flaw(s).
*
* @since 1.4.5
*
* @return (array) The fix results.
*/
public function need_manual_fix() {
return [ 'fix' => 'fix' ];
}
/**
* Get an array containing ALL the forms that would fix the scan if it requires user action.
*
* @since 1.4.5
*
* @return (array) An array of HTML templates (form contents most of the time).
*/
protected function get_fix_action_template_parts() {
return [ 'fix' => ' ' ];
}
/**
* Try to fix the flaw(s) after requiring user action.
*
* @since 1.4.5
*
* @return (array) The fix results.
*/
public function manual_fix() {
if ( $this->has_fix_action_part( 'fix' ) ) {
$this->fix();
}
// "good"
$this->add_fix_message( 1, __( 'a safe file extension', 'secupress' ) );
return parent::manual_fix();
}
/**
* Try to fix the flaw(s).
*
* @since 1.0
*
* @return (array) The fix results.
*/
public function fix() {
$files = static::get_files();
// Should not happen.
if ( ! $files ) {
// "good"
$this->add_fix_message( 0 );
return parent::fix();
}
$wp_filesystem = secupress_get_filesystem();
$count_all = count( $files );
$renamed = array();
$suffix = '.' . time() . '.secupress.php';
// Rename the files.
foreach ( $files as $filename ) {
$new_file = ABSPATH . $filename . $suffix;
if ( $wp_filesystem->move( ABSPATH . $filename, $new_file ) ) {
$wp_filesystem->chmod( $new_file, FS_CHMOD_FILE );
// Counting the renamed files is safer that counting the not renamed ones.
$renamed[] = $filename;
}
}
$count_renamed = count( $renamed );
if ( $count_renamed === $count_all ) {
// "good": all files were renamed.
$this->add_fix_message( 1, array( $count_all, '' . $suffix . '' ) );
} elseif ( $count_renamed ) {
// "warning": some files could not be renamed.
$not_renamed = array_diff( $files, $renamed );
$not_renamed = static::wrap_in_tag( $not_renamed );
$this->add_fix_message( 100, array( $count_renamed, $count_renamed, '' . $suffix . '' ) );
$this->add_fix_message( 101, array( count( $not_renamed ), $not_renamed ) );
}
else {
// "bad": no files could not be renamed.
$this->add_fix_message( 201, array( $count_all ) );
}
return parent::fix();
}
/** Tools. ================================================================================== */
/**
* Get config files.
*
* @since 1.0
*
* @return (array) An array of file names.
*/
protected static function get_files() {
$files = glob( ABSPATH . '*wp-config*.*' );
$files = array_map( 'basename', $files );
foreach ( $files as $k => $file ) {
if ( 'php' === pathinfo( $file, PATHINFO_EXTENSION ) ) {
unset( $files[ $k ] );
}
}
return $files;
}
}