//
// SiteMembershipCondition.cs: Site MembershipCondition
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2004 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.Collections;
using System.Globalization;
using System.Runtime.InteropServices;
namespace System.Security.Policy{
[Serializable]
[ComVisible (true)]
public sealed class SiteMembershipCondition : IMembershipCondition, IConstantMembershipCondition {
private readonly int version = 1;
private string _site;
// constructors
// so System.Activator.CreateInstance can create an instance...
internal SiteMembershipCondition ()
{
}
public SiteMembershipCondition (string site)
{
Site = site;
}
// properties
public string Site {
get { return _site; }
set {
if (value == null)
throw new ArgumentNullException ("site");
if (!System.Security.Policy.Site.IsValid (value))
throw new ArgumentException ("invalid site");
_site = value;
}
}
// methods
public bool Check (Evidence evidence)
{
if (evidence == null)
return false;
IEnumerator e = evidence.GetHostEnumerator ();
while (e.MoveNext ()) {
if (e.Current is Site) {
string[] s1 = _site.Split ('.');
string[] s2 = (e.Current as Site).origin_site.Split ('.');
for (int i = s1.Length - 1, j = s2.Length - 1; i>=0; i--, j--) {
if (i == 0) {
// special * case
return (String.Compare (s1 [0], "*", true, CultureInfo.InvariantCulture) == 0);
}
if (String.Compare (s1 [i], s2 [j], true, CultureInfo.InvariantCulture) != 0)
return false;
}
return true;
}
}
return false;
}
public IMembershipCondition Copy ()
{
return new SiteMembershipCondition (_site);
}
public override bool Equals (object o)
{
if (o == null)
return false;
if (o is SiteMembershipCondition) {
Site s = new Site ((o as SiteMembershipCondition)._site);
return s.Equals (new Site (_site));
}
return false;
}
public void FromXml (SecurityElement e)
{
FromXml (e, null);
}
public void FromXml (SecurityElement e, PolicyLevel level)
{
MembershipConditionHelper.CheckSecurityElement (e, "e", version, version);
_site = e.Attribute ("Site");
// PolicyLevel isn't used as there's no need to resolve NamedPermissionSet references
}
public override int GetHashCode ()
{
return _site.GetHashCode ();
}
public override string ToString ()
{
return "Site - " + _site;
}
public SecurityElement ToXml ()
{
return ToXml (null);
}
public SecurityElement ToXml (PolicyLevel level)
{
// PolicyLevel isn't used as there's no need to resolve NamedPermissionSet references
SecurityElement se = MembershipConditionHelper.Element (typeof (SiteMembershipCondition), version);
se.AddAttribute ("Site", _site);
return se;
}
}
}
|