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openhands.server.file_config

sanitize_filename​

def sanitize_filename(filename)

Sanitize the filename to prevent directory traversal

load_file_upload_config​

def load_file_upload_config(
        config: AppConfig = shared_config) -> tuple[int, bool, list[str]]

Load file upload configuration from the config object.

This function retrieves the file upload settings from the global config object. It handles the following settings:

  • Maximum file size for uploads
  • Whether to restrict file types
  • List of allowed file extensions

It also performs sanity checks on the values to ensure they are valid and safe.

Returns:

  • tuple - A tuple containing:
    • max_file_size_mb (int): Maximum file size in MB. 0 means no limit.
    • restrict_file_types (bool): Whether file type restrictions are enabled.
    • allowed_extensions (set): Set of allowed file extensions.

is_extension_allowed​

def is_extension_allowed(filename)

Check if the file extension is allowed based on the current configuration.

This function supports wildcards and files without extensions. The check is case-insensitive for extensions.

Arguments:

  • filename str - The name of the file to check.

Returns:

  • bool - True if the file extension is allowed, False otherwise.