mcs/class/corlib/System.Security.Principal/NTAccount.cs

   1 //
   2 // System.Security.Policy.NTAccount.cs
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //      Kenneth Bell
   7 //
   8 // Copyright (C) 2005, 2006 Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30
  31 using System.Globalization;
  32 using System.Runtime.InteropServices;
  33
  34 namespace System.Security.Principal {
  35
  36         [ComVisible (false)]
  37         public sealed class NTAccount : IdentityReference {
  38
  39                 private string _value;
  40
  41                 public NTAccount (string name)
  42                 {
  43                         if (name == null)
  44                                 throw new ArgumentNullException ("name");
  45                         if (name.Length == 0)
  46                                 throw new ArgumentException (Locale.GetText ("Empty"), "name");
  47                         _value = name;
  48                 }
  49
  50                 public NTAccount (string domainName, string accountName)
  51                 {
  52                         if (accountName == null)
  53                                 throw new ArgumentNullException ("accountName");
  54                         if (accountName.Length == 0)
  55                                 throw new ArgumentException (Locale.GetText ("Empty"), "accountName");
  56                         if (domainName == null)
  57                                 _value = accountName;
  58                         else
  59                                 _value = domainName + "\\" + accountName;
  60                 }
  61
  62
  63                 public override string Value {
  64                         get { return _value; }
  65                 }
  66
  67
  68                 public override bool Equals (object o)
  69                 {
  70                         NTAccount nt = (o as NTAccount);
  71                         if (nt == null)
  72                                 return false;
  73                         return (nt.Value == Value);
  74                 }
  75
  76                 public override int GetHashCode ()
  77                 {
  78                         return Value.GetHashCode ();
  79                 }
  80
  81                 public override bool IsValidTargetType (Type targetType)
  82                 {
  83                         if (targetType == typeof (NTAccount))
  84                                 return true;
  85                         if (targetType == typeof (SecurityIdentifier))
  86                                 return true;
  87                         return false;
  88                 }
  89
  90                 public override string ToString ()
  91                 {
  92                         return Value;
  93                 }
  94
  95                 public override IdentityReference Translate (Type targetType)
  96                 {
  97                         if (targetType == typeof (NTAccount))
  98                                 return this; // ? copy
  99
 100                         if(targetType == typeof(SecurityIdentifier)) {
 101                                 WellKnownAccount acct = WellKnownAccount.LookupByName(this.Value);
 102                                 if (acct == null || acct.Sid == null)
 103                                         throw new IdentityNotMappedException("Cannot map account name: " + this.Value);
 104
 105                                 return new SecurityIdentifier(acct.Sid);
 106                         }
 107
 108                         throw new ArgumentException("Unknown type", "targetType");
 109                 }
 110
 111                 public static bool operator == (NTAccount left, NTAccount right)
 112                 {
 113                         if (((object)left) == null)
 114                                 return (((object)right) == null);
 115                         if (((object)right) == null)
 116                                 return false;
 117                         return (left.Value == right.Value);
 118                 }
 119
 120                 public static bool operator != (NTAccount left, NTAccount right)
 121                 {
 122                         if (((object)left) == null)
 123                                 return (((object)right) != null);
 124                         if (((object)right) == null)
 125                                 return true;
 126                         return (left.Value != right.Value);
 127                 }
 128         }
 129 }
 130