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<?php
/**
* Class BackWPup_Sanitize_Path
*/
class BackWPup_Sanitize_Path {
/**
* Slug Sanitizer Pattern
*
* @var string The pattern for array keys
*/
const SLUG_SANITIZE_PATTERN = '/[^a-z0-9\-\_]*/';
/**
* Path Sanitizer Pattern
*
* @var string The pattern to sanitize the paths
*/
const PATH_SANITIZE_PATTERN = '/[^a-zA-Z0-9\/\-\_\.]+/';
/**
* Sanitize path
*
* @param string $path The path to sanitize.
*
* @return string The sanitized path.
*/
public static function sanitize_path( $path ) {
while ( false !== strpos( $path, '..' ) ) {
$path = str_replace( '..', '', $path );
}
$path = ( '/' !== $path ) ? $path : '';
return $path;
}
/**
* Sanitize Slug By RegExp
*
* @param string $slug The slug to sanitize.
*
* @return string The sanitize slug. May be empty.
*/
public static function sanitize_slug_reg_exp( $slug ) {
return preg_replace( static::SLUG_SANITIZE_PATTERN, '', $slug );
}
/**
* Sanitize file path By RegExp
*
* @param string $path The path to sanitize.
*
* @return string The sanitized path
*/
public static function sanitize_path_regexp( $path ) {
// Sanitize template path and remove the path separator.
// locate_template build the path in this way {STYLESHEET|TEMPLATE}PATH . '/' . $template_name.
return self::sanitize_path(
preg_replace( static::PATH_SANITIZE_PATTERN, '', $path )
);
}
}