119 lines
3.2 KiB
C#
119 lines
3.2 KiB
C#
//
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// System.Security.Policy.FirstMatchCodeGroup
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//
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// Author(s):
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// Jackson Harper (Jackson@LatitudeGeo.com)
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//
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// (C) 2002 Jackson Harper, All rights reserved.
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// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System.Runtime.InteropServices;
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namespace System.Security.Policy {
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[Serializable]
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[ComVisible (true)]
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public sealed class FirstMatchCodeGroup : CodeGroup {
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public FirstMatchCodeGroup (IMembershipCondition membershipCondition, PolicyStatement policy)
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: base (membershipCondition, policy)
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{
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}
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// for PolicyLevel (to avoid validation duplication)
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internal FirstMatchCodeGroup (SecurityElement e, PolicyLevel level)
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: base (e, level)
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{
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}
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//
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// Public Properties
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//
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public override string MergeLogic {
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get { return "First Match"; }
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}
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//
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// Public Methods
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//
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public override CodeGroup Copy ()
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{
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FirstMatchCodeGroup copy = CopyNoChildren ();
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foreach (CodeGroup child in Children) {
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copy.AddChild (child.Copy ()); // deep copy
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}
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return copy;
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}
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public override PolicyStatement Resolve (Evidence evidence)
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{
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if (evidence == null)
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throw new ArgumentNullException ("evidence");
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if (!MembershipCondition.Check (evidence))
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return null;
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foreach (CodeGroup child in Children) {
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PolicyStatement policy = child.Resolve (evidence);
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if (policy != null) {
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return policy; // first match
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}
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}
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return this.PolicyStatement; // default
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}
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public override CodeGroup ResolveMatchingCodeGroups (Evidence evidence)
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{
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if (evidence == null)
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throw new ArgumentNullException ("evidence");
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if (!MembershipCondition.Check (evidence))
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return null;
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foreach (CodeGroup child in Children) {
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if (child.Resolve (evidence) != null) {
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return child.Copy (); // first match
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// FIXME copy childrens ?
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}
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}
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return this.CopyNoChildren (); // default
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}
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//
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// Private Methods
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//
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private FirstMatchCodeGroup CopyNoChildren ()
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{
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FirstMatchCodeGroup copy = new FirstMatchCodeGroup (MembershipCondition, PolicyStatement);
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copy.Name = Name;
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copy.Description = Description;
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return copy;
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}
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}
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}
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