mirror of
https://github.com/LibreTranslate/LibreTranslate.git
synced 2024-11-16 20:40:10 +01:00
17 lines
431 B
Python
17 lines
431 B
Python
import os
|
|
|
|
|
|
class SuspiciousFileOperationError(Exception):
|
|
pass
|
|
|
|
|
|
def path_traversal_check(unsafe_path, known_safe_path):
|
|
known_safe_path = os.path.abspath(known_safe_path)
|
|
unsafe_path = os.path.abspath(unsafe_path)
|
|
|
|
if (os.path.commonprefix([known_safe_path, unsafe_path]) != known_safe_path):
|
|
raise SuspiciousFileOperationError(f"{unsafe_path} is not safe")
|
|
|
|
# Passes the check
|
|
return unsafe_path
|