mcs/class/System/System.Net/WebPermissionAttribute.cs

   1 //
   2 // System.Net.WebPermissionAttribute.cs
   3 //
   4 // Author:
   5 //   Andreas Nahr (ClassDevelopment@A-SoftTech.com)
   6 //
   7 // (C) 2003 Andreas Nahr
   8 //
   9
  10 using System;
  11 using System.Security;
  12 using System.Security.Permissions;using System.Text.RegularExpressions;
  13
  14 namespace System.Net
  15 {
  16         [AttributeUsage (AttributeTargets.Assembly | AttributeTargets.Class
  17                  | AttributeTargets.Struct | AttributeTargets.Constructor
  18                  | AttributeTargets.Method, AllowMultiple = true, Inherited = false)]
  19         [Serializable]
  20         public sealed class WebPermissionAttribute : CodeAccessSecurityAttribute
  21         {
  22                 // Fields
  23                 object m_accept;
  24                 object m_connect;
  25
  26                 // Constructors
  27                 public WebPermissionAttribute (SecurityAction action) : base (action)
  28                 {
  29                 }
  30
  31                 // Properties
  32
  33                 public string Accept {
  34                         get { return m_accept.ToString (); }
  35                         set {
  36                                 if (m_accept != null)
  37                                         throw new ArgumentException ("The parameter 'Accept' can be set only once.");
  38                                 if (value == null)
  39                                         throw new ArgumentException ("The parameter 'Accept' cannot be null.");
  40                                 m_accept = value;
  41                         }
  42                 }
  43
  44                 public string AcceptPattern {
  45                         get { return m_accept.ToString (); }
  46                         set {
  47                                 if (m_accept != null)
  48                                         throw new ArgumentException ("The parameter 'Accept' can be set only once.");
  49                                 if (value == null)
  50                                         throw new ArgumentException ("The parameter 'Accept' cannot be null.");
  51                                 m_accept = new Regex (value, RegexOptions.IgnoreCase);
  52                         }
  53                 }
  54
  55                 public string Connect {
  56                         get { return m_connect.ToString (); }
  57                         set {
  58                                 if (m_connect != null)
  59                                         throw new ArgumentException ("The parameter 'Connect' can be set only once.");
  60                                 if (value == null)
  61                                         throw new ArgumentException ("The parameter 'Connect' cannot be null.");
  62                                 m_connect = value;
  63                         }
  64                 }
  65                 public string ConnectPattern {
  66                         get { return m_connect.ToString (); }
  67                         set {
  68                                 if (m_connect != null)
  69                                         throw new ArgumentException ("The parameter 'Connect' can be set only once.");
  70                                 if (value == null)
  71                                         throw new ArgumentException ("The parameter 'Connect' cannot be null.");
  72                                 m_connect = new Regex (value, RegexOptions.IgnoreCase);
  73                         }
  74                 }
  75
  76                 // Methods
  77
  78                 public override IPermission CreatePermission ()
  79                 {
  80                         if (this.Unrestricted)
  81                                 return new WebPermission (PermissionState.Unrestricted);
  82                         WebPermission newPermission = new WebPermission ();
  83                         if (m_accept != null)
  84                         {
  85                                 if (m_accept is Regex)
  86                                         newPermission.AddPermission (NetworkAccess.Accept, (Regex)m_accept);
  87                                 else
  88                                         newPermission.AddPermission (NetworkAccess.Accept, (string)m_accept);
  89                         }
  90                         if (m_connect != null)
  91                         {
  92                                 if (m_connect is Regex)
  93                                         newPermission.AddPermission (NetworkAccess.Connect, (Regex)m_connect);
  94                                 else
  95                                         newPermission.AddPermission (NetworkAccess.Connect, (string)m_connect);
  96                         }
  97                         return newPermission;
  98                 }
  99         }
 100 }
 101