feat: sanitize filenames in apt and yum modules to prevent path traversal

Signed-off-by: d9pouces <github@19pouces.net>

tests/test_modules_base.py

@@ -1,5 +1,10 @@
 from id_configurator.modules import base as base_module
-from id_configurator.modules.base import Module, all_modules, register
+from id_configurator.modules.base import (
+    Module,
+    all_modules,
+    register,
+    sanitize_filename,
+)
 
 
 def test_register_and_all_modules_are_isolated(monkeypatch) -> None:
@@ -17,3 +22,15 @@ def test_register_and_all_modules_are_isolated(monkeypatch) -> None:
     register(DummyModule)
 
     assert all_modules() == [DummyModule]
+
+
+def test_sanitize_filename_leaves_plain_names_untouched() -> None:
+    assert sanitize_filename("interdiode") == "interdiode"
+
+
+def test_sanitize_filename_replaces_forward_slash() -> None:
+    assert sanitize_filename("../../etc/passwd") == ".._.._etc_passwd"
+
+
+def test_sanitize_filename_replaces_backslash() -> None:
+    assert sanitize_filename(r"a\b") == "a_b"