//
// System.Security.Permissions.ReflectionPermission.cs
//
-// Tim Coleman <tim@timcoleman.com>
+// Authors:
+// Tim Coleman <tim@timcoleman.com>
+// Sebastien Pouliot <sebastien@ximian.com>
//
// Copyright (C) 2002, Tim Coleman
+// Portions (C) 2003 Motus Technologies Inc. (http://www.motus.com)
+// Copyright (C) 2004-2005 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.Globalization;
+using System.Runtime.InteropServices;
-using System;
+namespace System.Security.Permissions {
-namespace System.Security.Permissions
-{
+#if NET_2_0
+ [ComVisible (true)]
+#endif
[Serializable]
- public sealed class ReflectionPermission : CodeAccessPermission, IUnrestrictedPermission
- {
- #region Fields
+ public sealed class ReflectionPermission : CodeAccessPermission, IUnrestrictedPermission, IBuiltInPermission {
- ReflectionPermissionFlag flags;
- PermissionState state;
+ private const int version = 1;
- #endregion // Fields
+ ReflectionPermissionFlag flags;
- #region Constructors
public ReflectionPermission (PermissionState state)
{
- throw new NotImplementedException ();
+ if (CheckPermissionState (state, true) == PermissionState.Unrestricted)
+ flags = ReflectionPermissionFlag.AllFlags;
+ else
+ flags = ReflectionPermissionFlag.NoFlags;
}
public ReflectionPermission (ReflectionPermissionFlag flag)
{
- throw new NotImplementedException ();
+ // reuse validation by the Flags property
+ Flags = flag;
}
- #endregion // Constructors
-
- #region Properties
public ReflectionPermissionFlag Flags {
- [MonoTODO]
- get { throw new NotImplementedException (); }
- [MonoTODO]
- set { throw new NotImplementedException (); }
+ get { return flags; }
+ set {
+ if ((value & ReflectionPermissionFlag.AllFlags) != value) {
+ string msg = String.Format (Locale.GetText ("Invalid flags {0}"), value);
+ throw new ArgumentException (msg, "ReflectionPermissionFlag");
+ }
+
+ flags = value;
+ }
}
- #endregion // Properties
- #region Methods
-
- [MonoTODO]
public override IPermission Copy ()
{
- throw new NotImplementedException ();
+ return new ReflectionPermission (flags);
}
- [MonoTODO]
public override void FromXml (SecurityElement esd)
{
- throw new NotImplementedException ();
+ // General validation in CodeAccessPermission
+ CheckSecurityElement (esd, "esd", version, version);
+ // Note: we do not (yet) care about the return value
+ // as we only accept version 1 (min/max values)
+
+ if (IsUnrestricted (esd)) {
+ flags = ReflectionPermissionFlag.AllFlags;
+ }
+ else {
+ flags = ReflectionPermissionFlag.NoFlags;
+ string xmlFlags = (esd.Attributes ["Flags"] as string);
+ if (xmlFlags.IndexOf ("MemberAccess") >= 0)
+ flags |= ReflectionPermissionFlag.MemberAccess;
+ if (xmlFlags.IndexOf ("ReflectionEmit") >= 0)
+ flags |= ReflectionPermissionFlag.ReflectionEmit;
+ if (xmlFlags.IndexOf ("TypeInformation") >= 0)
+ flags |= ReflectionPermissionFlag.TypeInformation;
+ }
}
- [MonoTODO]
public override IPermission Intersect (IPermission target)
{
- throw new NotImplementedException ();
+ ReflectionPermission rp = Cast (target);
+ if (rp == null)
+ return null;
+
+ if (IsUnrestricted ()) {
+ if (rp.Flags == ReflectionPermissionFlag.NoFlags)
+ return null;
+ else
+ return rp.Copy ();
+ }
+ if (rp.IsUnrestricted ()) {
+ if (flags == ReflectionPermissionFlag.NoFlags)
+ return null;
+ else
+ return Copy ();
+ }
+
+ ReflectionPermission p = (ReflectionPermission) rp.Copy ();
+ p.Flags &= flags;
+ return ((p.Flags == ReflectionPermissionFlag.NoFlags) ? null : p);
}
- [MonoTODO]
public override bool IsSubsetOf (IPermission target)
{
- throw new NotImplementedException ();
+ ReflectionPermission rp = Cast (target);
+ if (rp == null)
+ return (flags == ReflectionPermissionFlag.NoFlags);
+
+ if (IsUnrestricted ())
+ return rp.IsUnrestricted ();
+ else if (rp.IsUnrestricted ())
+ return true;
+
+ return ((flags & rp.Flags) == flags);
}
- [MonoTODO]
- public override bool IsUnrestricted ()
+ public bool IsUnrestricted ()
{
- throw new NotImplementedException ();
+ return (flags == ReflectionPermissionFlag.AllFlags);
}
- [MonoTODO]
public override SecurityElement ToXml ()
{
- throw new NotImplementedException ();
+ SecurityElement se = Element (version);
+ if (IsUnrestricted ()) {
+ se.AddAttribute ("Unrestricted", "true");
+ }
+ else {
+ if (flags == ReflectionPermissionFlag.NoFlags)
+ se.AddAttribute ("Flags", "NoFlags");
+ else if ((flags & ReflectionPermissionFlag.AllFlags) == ReflectionPermissionFlag.AllFlags)
+ se.AddAttribute ("Flags", "AllFlags");
+ else {
+ string xmlFlags = "";
+ if ((flags & ReflectionPermissionFlag.MemberAccess) == ReflectionPermissionFlag.MemberAccess)
+ xmlFlags = "MemberAccess";
+ if ((flags & ReflectionPermissionFlag.ReflectionEmit) == ReflectionPermissionFlag.ReflectionEmit) {
+ if (xmlFlags.Length > 0)
+ xmlFlags += ", ";
+ xmlFlags += "ReflectionEmit";
+ }
+ if ((flags & ReflectionPermissionFlag.TypeInformation) == ReflectionPermissionFlag.TypeInformation) {
+ if (xmlFlags.Length > 0)
+ xmlFlags += ", ";
+ xmlFlags += "TypeInformation";
+ }
+ se.AddAttribute ("Flags", xmlFlags);
+ }
+ }
+ return se;
}
- [MonoTODO]
public override IPermission Union (IPermission other)
{
- throw new NotImplementedException ();
+ ReflectionPermission rp = Cast (other);
+ if (other == null)
+ return Copy ();
+
+ if (IsUnrestricted () || rp.IsUnrestricted ())
+ return new ReflectionPermission (PermissionState.Unrestricted);
+
+ ReflectionPermission p = (ReflectionPermission) rp.Copy ();
+ p.Flags |= flags;
+ return p;
+ }
+
+ // IBuiltInPermission
+ int IBuiltInPermission.GetTokenIndex ()
+ {
+ return (int) BuiltInToken.Reflection;
}
- #endregion // Methods
+ // helpers
+
+ private ReflectionPermission Cast (IPermission target)
+ {
+ if (target == null)
+ return null;
+
+ ReflectionPermission rp = (target as ReflectionPermission);
+ if (rp == null) {
+ ThrowInvalidPermission (target, typeof (ReflectionPermission));
+ }
+
+ return rp;
+ }
}
}
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