2 // System.Security.Policy.ZoneMembershipCondition.cs
5 // Duncan Mak (duncan@ximian.com)
6 // Sebastien Pouliot <sebastien@ximian.com>
8 // (C) 2003, Ximian Inc.
9 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 using System.Collections;
32 using System.Globalization;
34 namespace System.Security.Policy {
37 public sealed class ZoneMembershipCondition : IMembershipCondition, IConstantMembershipCondition {
39 private readonly int version = 1;
41 private SecurityZone zone;
43 // so System.Activator.CreateInstance can create an instance...
44 internal ZoneMembershipCondition ()
48 public ZoneMembershipCondition (SecurityZone zone)
50 // we need the validations
54 public SecurityZone SecurityZone {
57 if (!Enum.IsDefined (typeof (SecurityZone), value)) {
58 throw new ArgumentException (Locale.GetText (
61 if (value == SecurityZone.NoZone) {
62 throw new ArgumentException (Locale.GetText (
63 "NoZone isn't valid for membership condition"));
70 public bool Check (Evidence evidence)
75 IEnumerator e = evidence.GetHostEnumerator ();
76 while (e.MoveNext ()) {
77 Zone z = (e.Current as Zone);
79 if (z.SecurityZone == zone)
86 public IMembershipCondition Copy ()
88 return new ZoneMembershipCondition (zone);
91 public override bool Equals (Object o)
93 if (o is ZoneMembershipCondition == false)
96 return ((ZoneMembershipCondition) o).SecurityZone == zone;
99 public void FromXml (SecurityElement element)
101 FromXml (element, null);
104 public void FromXml (SecurityElement element, PolicyLevel level)
106 MembershipConditionHelper.CheckSecurityElement (element, "element", version, version);
108 string z = element.Attribute ("Zone");
110 zone = (SecurityZone) Enum.Parse (typeof (SecurityZone), z);
114 public override int GetHashCode ()
116 return zone.GetHashCode ();
119 public override string ToString ()
121 return "Zone - " + zone;
124 public SecurityElement ToXml ()
129 public SecurityElement ToXml (PolicyLevel level)
131 // PolicyLevel isn't used as there's no need to resolve NamedPermissionSet references
132 SecurityElement se = MembershipConditionHelper.Element (typeof (ZoneMembershipCondition), version);
133 se.AddAttribute ("Zone", zone.ToString ());