/**
* Recursively remove the supplied directory.
*
* @since 1.15.0
*
* @return bool|WP_Error Boolean true on success or a WP_Error object if an error occurs.
*/
public static function remove( $dir ) {
if ( ! ITSEC_Lib_File::exists( $dir ) ) {
return true;
}
if ( ! ITSEC_Lib_Utility::is_callable_function( 'rmdir' ) ) {
return new WP_Error( 'itsec-lib-directory-remove-rmdir-is-disabled', sprintf( __( 'The directory %s could not be removed as the rmdir() function is disabled. This is a system configuration issue.', 'it-l10n-ithemes-security-pro' ), $dir ) );
}
$files = self::read( $dir );
if ( is_wp_error( $files ) ) {
return new WP_Error( 'itsec-lib-directory-remove-read-error', sprintf( __( 'Unable to remove %1$s due to the following error: %2$s', 'it-l10n-ithemes-security-pro' ), $dir, $files->get_error_message() ) );
}
foreach ( $files as $file ) {
if ( ITSEC_Lib_File::is_file( $file ) ) {
ITSEC_Lib_File::remove( $file );
} else if ( self::is_dir( $file ) ) {
self::remove( $file );
}
}
$result = rmdir( $dir );
@clearstatcache( true, $dir );
if ( $result ) {
return true;
}
return new WP_Error( 'itsec-lib-directory-remove-unknown-error', sprintf( __( 'Unable to remove %s due to an unknown error.', 'it-l10n-ithemes-security-pro' ), $dir ) );
}
/**
* Test to see if the requested directory is writable.
*
* @since 2.3.0
*
* @param string $dir Full path to the directory to test.
* @return bool True if the directory is writable, false otherwise.
*/
public static function is_writable($dir)
{
$dir = rtrim($dir, '/');
if (!self::is_dir($dir)) {
return false;
}
$test_count = 0;
do {
$test_file = 'itsec-test-file-' . wp_generate_password(10, false) . '.txt';
} while ($test_count++ < 10 && ITSEC_Lib_File::exists("{$dir}/{$test_file}"));
if (ITSEC_Lib_File::exists("{$dir}/{$test_file}")) {
return false;
}
$result = ITSEC_Lib_File::write("{$dir}/{$test_file}", __('This is a test file generated by iThemes Security. It can be removed.', 'better-wp-security'));
ITSEC_Lib_File::remove("{$dir}/{$test_file}");
if (true === $result) {
return $result;
}
return false;
}
