Experiments/Attic/Security/Castle.Services.Security/SecurityManager.cs

   1 // Copyright 2004-2008 Castle Project - http://www.castleproject.org/
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 namespace Castle.Services.Security
  16 {
  17     using System;
  18     using System.Collections;
  19     using System.Security.Principal;
  20
  21     /// <summary>
  22         /// Summary description for SecurityManager.
  23         /// </summary>
  24         public class SecurityManager : ISecurityManager
  25         {
  26                 public SecurityManager(){}
  27
  28         public static Authorization Check(PermissionAttribute permission, IPrincipal principal)
  29         {
  30             Authorization result = new Authorization(false);
  31             String[] roles = permission.Roles;
  32
  33             foreach(String role in roles)
  34             {
  35                 if(principal.IsInRole(role))
  36                 {
  37                     result = new Authorization(true);
  38                     break;
  39                 }
  40             }
  41             return result;
  42         }
  43         #region ISecurityManager Members
  44
  45         public IPolicy Generate(PermissionAttribute permission, IPrincipal principal)
  46         {
  47             return this.FindPolicy(permission.Roles, principal)[permission.GetType()] as IPolicy;
  48         }
  49
  50         #endregion
  51
  52         private IDictionary FindPolicy(String[] roles, IPrincipal principal)
  53         {
  54             IDictionary dict = new Hashtable();
  55             dict.Add(typeof(DenyAttribute), new DenyPolicy(roles, principal));
  56             dict.Add(typeof(AllowAttribute), new AllowPolicy(roles, principal));
  57             return dict;
  58         }
  59     }
  60 }