2004-08-18 Sebastien Pouliot <sebastien@ximian.com>
[mono.git] / mcs / class / corlib / System.Security.Permissions / PermissionSetAttribute.cs
index fc511dd4a510ca5bf352bec5a065c36441bf1307..a88f924340c905ef39f2a098ebdb1c168bdfb67a 100644 (file)
 //
 // System.Security.Permissions.PermissionSetAttribute.cs
 //
-// Duncan Mak <duncan@ximian.com>
+// Authors
+//     Duncan Mak <duncan@ximian.com>
+//     Sebastien Pouliot  <spouliot@videotron.ca>
 //
 // (C) 2002 Ximian, Inc. http://www.ximian.com
 //
 
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+//
+// 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.Security.Permissions;
+using System.IO;
+using System.Security.Policy;
+using System.Text;
+
+using Mono.Xml;
+
+namespace System.Security.Permissions {
 
-namespace System.Security.Permissions
-{
        [AttributeUsage (AttributeTargets.Assembly | AttributeTargets.Class |
                         AttributeTargets.Struct | AttributeTargets.Constructor |
-                        AttributeTargets.Method)]
+                        AttributeTargets.Method, AllowMultiple=true, Inherited=false)]
        [Serializable]
-       public sealed class PermissionSetAttribute : CodeAccessSecurityAttribute
-       {
+       public sealed class PermissionSetAttribute : CodeAccessSecurityAttribute {
+
+               // Fields
+               private string file;
+               private string name;
+               private bool isUnicodeEncoded;
+               private string xml;
+               
                // Constructor
-               public PermissionSetAttribute (SecurityAction action) : base (action) {}
+               public PermissionSetAttribute (SecurityAction action)
+                       : base (action)
+               {
+               }
                
                // Properties
-               [MonoTODO]
                public string File
                {
-                       get { return null; }
-                       set {}
+                       get { return file; }
+                       set { file = value; }
                }
 
-               [MonoTODO]
                public string Name
                {
-                       get { return null; }
-                       set {}
+                       get { return name; }
+                       set { name = value; }
                }
 
-               [MonoTODO]
                public bool UnicodeEncoded
                {
-                       get { return false; }
-                       set {}
+                       get { return isUnicodeEncoded; }
+                       set { isUnicodeEncoded = value; }
                }
 
-               [MonoTODO]
                public string XML
                {
-                       get { return null; }
-                       set {}
-                }
+                       get { return xml; }
+                       set { xml = value; }
+               }
                
                // Methods
-               [MonoTODO]
                public override IPermission CreatePermission ()
                {
+                       return null;      // Not used, used for inheritance from SecurityAttribute
+               }
+
+               private PermissionSet CreateFromXml (string xml) 
+               {
+                       SecurityParser sp = new SecurityParser ();
+                       sp.LoadXml (xml);
+                       SecurityElement se = sp.ToXml ();
+
+                       string className = se.Attribute ("class");
+                       if (className == null)
+                               return null;
+
+                       PermissionState state = PermissionState.None;
+                       if (se.Attribute ("Unrestricted") == "true")
+                               state = PermissionState.Unrestricted;
+
+                       if (className.EndsWith ("NamedPermissionSet")) {
+                               NamedPermissionSet nps = new NamedPermissionSet (se.Attribute ("Name"), state);
+                               return (PermissionSet) nps;
+                       }
+                       else if (className.EndsWith ("PermissionSet")) {
+                               PermissionSet ps = new PermissionSet (state);
+                               return ps;
+                       }
                        return null;
                }
 
-               [MonoTODO]
                public PermissionSet CreatePermissionSet ()
                {
-                           return null;
+                       PermissionSet pset = null;
+                       if (this.Unrestricted)
+                               pset = new PermissionSet (PermissionState.Unrestricted);
+                       else {
+                               pset = new PermissionSet (PermissionState.None);
+                               if (name != null) {
+                                       return PolicyLevel.CreateAppDomainLevel ().GetNamedPermissionSet (name);
+                               }
+                               else if (file != null) {
+                                       Encoding e = ((isUnicodeEncoded) ? System.Text.Encoding.Unicode : System.Text.Encoding.ASCII);
+                                       using (StreamReader sr = new StreamReader (file, e)) {
+                                               pset = CreateFromXml (sr.ReadToEnd ());
+                                       }
+                               }
+                               else if (xml != null) {
+                                       pset = CreateFromXml (xml);
+                               }
+                       }
+                       return pset;
                }
        }
 }