jwutils: Add Auth

Signed-off-by: Jan Lindemann <jan@janware.com>

tools/python/jwutils/auth/Auth.py

@@ -0,0 +1,72 @@
+# -*- coding: utf-8 -*-
+
+from typing import Optional, Union
+
+import abc
+
+from enum import Enum, auto
+from jwutils import log, Config
+
+class Access(Enum): # export
+    Read   = auto()
+    Modify = auto()
+    Create = auto()
+    Delete = auto()
+
+class Group: # export
+
+    def __repr__(self):
+        return f'Group({self.name})'
+
+    @abc.abstractmethod
+    def _name(self) -> str:
+        pass
+
+    @property
+    def name(self) -> str:
+        return self._name()
+
+class User: # export
+
+    def __repr__(self):
+        return f'User({self.name})'
+
+    @abc.abstractmethod
+    def _name(self) -> str:
+        pass
+
+    @abc.abstractmethod
+    def _groups(self) -> list[Group]:
+        pass
+
+    @property
+    def name(self) -> str:
+        return self._name()
+
+    @property
+    def groups(self) -> list[Group]:
+        return self._groups()
+
+class Auth: # export
+
+    def __init__(self, conf: Config):
+        self.__conf = conf
+
+    @abc.abstractmethod
+    def _access(self, what: str, access_type: Optional[Access]=None, who: Optional[Union[User|Group]]=None) -> bool:
+        pass
+
+    @abc.abstractmethod
+    def _current_user(self) -> User:
+        pass
+
+    @property
+    def conf(self):
+        return self.__conf
+
+    @property
+    def current_user(self) -> User:
+        return self._current_user()
+
+    def access(self, what: str, access_type: Optional[Access]=None, who: Optional[Union[User|Group]]=None) -> bool:
+        return self._access(what, access_type, who)