def serve_from_filesystem(path: str) -> Any:
"""Serve any file from filesystem."""
try:
absolute_path = f"/{path}"
verify_file_path(absolute_path)
return send_file(absolute_path, as_attachment=True, cache_timeout=0)
except NotFoundException as err:
return str(err), 404
except AccessDeniedException as err:
return str(err), 403
def serve_from_filesystem(
path: str,
mimetype: Optional[str] = None,
) -> Response:
"""Serve any file from filesystem."""
verify_file_path(path)
return send_file(
path,
mimetype=mimetype,
as_attachment=False,
cache_timeout=0,
)
def get_directory_entries(data: Dict[str, Any], ) -> Dict[str, Any]:
"""Get directory entries."""
try:
path = get_requested_path(data)
verify_file_path(path)
contents = get_non_hidden_directory_entries(path)
contents = filter_requested_entries(contents, get_filter_value(data))
return {
"path": path,
"contents": sort_entries(contents),
}
except PermissionError as err:
raise AccessDeniedException(err)
except FileNotFoundError as err:
raise NotFoundException(err)
except NotADirectoryError as err:
raise ClientErrorException(err)
def verify_restricted_path(self) -> None:
"""Check if path can be accessed."""
path = "/usr"
with self.assertRaises(NotFoundException):
verify_file_path(path)
def verify_non_existing_path(self) -> None:
"""Check if path can be accessed."""
path = "/some/non/existing/path"
with self.assertRaises(NotFoundException):
verify_file_path(path)
def verify_hidden_path(self) -> None:
"""Check if path can be accessed."""
path = "/home/user/.ssh/secret_key"
with self.assertRaises(AccessDeniedException):
verify_file_path(path)
def verify_root_path(self) -> None:
"""Check if path can be accessed."""
path = "/"
with self.assertRaises(AccessDeniedException):
verify_file_path(path)
def verify_file_path(self) -> None:
"""Check if path can be accessed."""
path = "/data"
verify_file_path(path)
