Rename

Esiur/Security/Permissions/UserPermissionsManager.cs

@@ -0,0 +1,126 @@
+/*
+ 
+Copyright (c) 2017 Ahmed Kh. Zamil
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+*/
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Esiur.Data;
+using Esiur.Core;
+using Esiur.Resource;
+using Esiur.Resource.Template;
+using Esiur.Security.Authority;
+
+namespace Esiur.Security.Permissions
+{
+    public class UserPermissionsManager : IPermissionsManager
+    {
+        IResource resource;
+        Structure settings;
+
+        public Structure Settings => settings;
+
+        public Ruling Applicable(IResource resource, Session session, ActionType action, MemberTemplate member, object inquirer)
+        {
+            Structure userPermissions = null;
+
+            if (settings.ContainsKey(session.RemoteAuthentication.FullName))
+                userPermissions = settings[session.RemoteAuthentication.FullName] as Structure;
+            else if (settings.ContainsKey("public"))
+                userPermissions = settings["public"] as Structure;
+            else
+                return Ruling.Denied;
+
+            if (action == ActionType.Attach)// || action == ActionType.Delete)
+            {
+                if ((string)userPermissions["_attach"] != "yes")
+                    return Ruling.Denied;
+            }
+            else if (action == ActionType.Delete)
+            {
+                if ((string)userPermissions["_delete"] != "yes")
+                    return Ruling.Denied;
+            }
+            else if (action== ActionType.InquireAttributes)
+            {
+                if ((string)userPermissions["_get_attributes"] == "yes")
+                    return Ruling.Denied;
+            }
+            else if (action == ActionType.UpdateAttributes)
+            {
+                if ((string)userPermissions["_set_attributes"] != "yes")
+                    return Ruling.Denied;
+            }
+            else if (action == ActionType.AddChild)
+            {
+                if ((string)userPermissions["_add_child"] != "yes")
+                    return Ruling.Denied;
+            }
+            else if (action == ActionType.RemoveChild)
+            {
+                if ((string)userPermissions["_remove_child"] != "yes")
+                    return Ruling.Denied;
+            }
+            else if (action == ActionType.AddParent)
+            {
+                if ((string)userPermissions["_add_parent"] != "yes")
+                    return Ruling.Denied;
+            }
+            else if (action == ActionType.RemoveParent)
+            {
+                if ((string)userPermissions["_remove_parent"] != "yes")
+                    return Ruling.Denied;
+            }
+            else if (action == ActionType.Rename)
+            {
+                if ((string)userPermissions["_rename"] != "yes")
+                    return Ruling.Denied;
+            }
+            else if (userPermissions.ContainsKey(member?.Name))
+            {
+                Structure methodPermissions = userPermissions[member.Name] as Structure;
+                if ((string)methodPermissions[action.ToString()] != "yes")
+                    return Ruling.Denied;
+            }
+
+            return Ruling.DontCare;
+        }
+
+        public UserPermissionsManager()
+        {
+
+        }
+
+        public UserPermissionsManager(Structure settings)
+        {
+            this.settings = settings;
+        }
+
+        public bool Initialize(Structure settings, IResource resource)
+        {
+            this.resource = resource;
+            this.settings = settings;
+            return true;
+        }
+    }
+}