[Windows] Security model for files permissions - STEP 3d (#6968)

* Implement security.mkdir and security.makedirs

* Fix lint

* Correct mock

* Rename security into filesystem

* Update apache and nginx plugins requirements

* Update certbot/plugins/webroot.py

Co-Authored-By: ohemorange <ebportnoy@gmail.com>

* Reenable pylint here

* Move code

* Reimplement mkdir

* Control errors on eexist, remove superfluous chmod for makedirs

* Add proper skip for windows only tests

* Fix lint

* Fix mypy

* Clean code

* Adapt coverage threshold on Linux with addition of LOC specific to Windows

* Add forbiden functions to tests

* Update certbot/compat/os.py

Co-Authored-By: ohemorange <ebportnoy@gmail.com>

* Simplify code

* Sync _get_current_user with part3c

* Use the simpliest implementation

* Remove exist_ok, simplify code.

* Simplify inline comment

* Update filesystem_test.py

* Update certbot/compat/os.py

Co-Authored-By: ohemorange <ebportnoy@gmail.com>

* Update certbot/plugins/webroot.py

Co-Authored-By: ohemorange <ebportnoy@gmail.com>

* Update certbot/plugins/webroot.py

Co-Authored-By: ohemorange <ebportnoy@gmail.com>

* Add a test to check we set back os.mkdir correctly after filesystem.makedirs is called.

* Fix lint, adapt coverage

tests/lock_test.py

@@ -21,6 +21,7 @@ from cryptography.hazmat.primitives.asymmetric import rsa
 
 from certbot import lock
 from certbot import util
+from certbot.compat import filesystem
 
 from certbot.tests import util as test_util
 
@@ -92,7 +93,7 @@ def set_up_dirs():
     nginx_dir = os.path.join(temp_dir, 'nginx')
 
     for directory in (config_dir, logs_dir, work_dir, nginx_dir,):
-        os.mkdir(directory)
+        filesystem.mkdir(directory)
 
     test_util.make_lineage(config_dir, 'sample-renewal.conf')
     set_up_nginx_dir(nginx_dir)