redis support added

User.py

@@ -0,0 +1,75 @@
+from    hashlib     import sha256
+from    App_State   import App_State
+import  yaml
+
+class User (App_State) :
+
+    key = "b9281aea-4a9e-4721-b932-5b5ffbc66cfe"
+    
+    def __init__ (self, file_name) :
+        self.file_name = file_name
+        try :
+            with open (file_name) as file :
+                self.users = yaml.safe_load (file)
+        except Exception as e :
+            self.L.error (e, exc_info = True)
+            self.users = {}
+    # end def __init__
+        
+    def check_password (self, user_name, password, login = False) :
+        pwd = f"{self.key}:{password}"
+        password = sha256 (pwd.encode ("utf-8")).hexdigest ()
+        try :
+            user = self.users [user_name]
+            if (user ["password"] == password) and user ["active"] :
+                if login :
+                    App_State.User = user_name
+                return True
+            return False
+        except Exception as e :
+            self.L.error (e, show_exc = True)
+        return False
+    # end def check_password
+    
+    def change_password (self, user, password) :
+        pwd = f"{self.key}:{password}"
+        password = sha256 (pwd.encode ("utf-8")).hexdigest ()
+        if user not in self.users :
+            self.users [user] = {"active" : False}
+        self.users [user] ["password"] = password
+        self.save ()
+    # end def change_password
+
+    def change_active (self, user, active) :
+        if user in self.users :
+            self.users [user] ["active"] = active
+            self.save ()
+    # end def change_active
+    
+    def save (self) :
+        with open (self.file_name, "w") as file :
+            yaml.safe_dump (self.users, file)
+            self.L.info ("User information saved")        
+    # end def save
+        
+# end class User
+            
+if __name__ == "__main__" :
+    import argparse
+    parser = User.Add_Logging_Attributes ()
+    parser.add_argument ("file_name", type = str)
+    parser.add_argument ("user", type = str)
+    parser.add_argument ("-p", "--password", type = str)
+    parser.add_argument ("-c", "--change", action = "store_true")
+    parser.add_argument ("-a", "--active", type = int)
+    parser.add_argument ("-v", "--verify", action = "store_true")
+    cmd    = parser.parse_args ()
+    User.Setup_Logging         (cmd)
+    u = User (cmd.file_name)
+    if cmd.change :
+        u.change_password (cmd.user, cmd.password)
+    if cmd.active != None :
+        u.change_active (cmd.user, bool (cmd.active))
+    if cmd.verify :
+        print (u.check_password (cmd.user, cmd.password))
+