//
// System.Security.Policy.ApplicationDirectoryMembershipCondition
//
// Authors:
// Nick Drochak (ndrochak@gol.com)
// Jackson Harper (Jackson@LatitudeGeo.com)
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2002 Nick Drochak, All rights reserved.
// 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.IO;
using System.Reflection;
using System.Runtime.InteropServices;
using Mono.Security;
namespace System.Security.Policy{
[Serializable]
[ComVisible (true)]
public sealed class ApplicationDirectoryMembershipCondition : IConstantMembershipCondition, IMembershipCondition {
private readonly int version = 1;
public ApplicationDirectoryMembershipCondition ()
{
}
// Methods
public bool Check (Evidence evidence)
{
if (evidence == null)
return false;
string codebase = Assembly.GetCallingAssembly ().CodeBase;
Uri local = new Uri (codebase);
Url ucode = new Url (codebase);
// *both* ApplicationDirectory and Url must be in *Host* evidences
bool adir = false;
bool url = false;
IEnumerator e = evidence.GetHostEnumerator ();
while (e.MoveNext ()) {
object o = e.Current;
if (!adir && (o is ApplicationDirectory)) {
ApplicationDirectory ad = (o as ApplicationDirectory);
string s = ad.Directory;
adir = (String.Compare (s, 0, local.ToString (), 0, s.Length, true, CultureInfo.InvariantCulture) == 0);
}
else if (!url && (o is Url)) {
url = ucode.Equals (o);
}
// got both ?
if (adir && url)
return true;
}
return false;
}
public IMembershipCondition Copy ()
{
return new ApplicationDirectoryMembershipCondition ();
}
public override bool Equals (object o)
{
return (o is ApplicationDirectoryMembershipCondition);
}
public void FromXml (SecurityElement e)
{
FromXml (e, null);
}
public void FromXml (SecurityElement e, PolicyLevel level)
{
MembershipConditionHelper.CheckSecurityElement (e, "e", version, version);
}
// All instances of ApplicationDirectoryMembershipCondition are equal so they should
// have the same hashcode
public override int GetHashCode ()
{
return typeof (ApplicationDirectoryMembershipCondition).GetHashCode ();
}
public override string ToString ()
{
return "ApplicationDirectory";
}
public SecurityElement ToXml ()
{
return ToXml (null);
}
public SecurityElement ToXml (PolicyLevel level)
{
SecurityElement se = MembershipConditionHelper.Element (typeof (ApplicationDirectoryMembershipCondition), version);
// nothing to add
return se;
}
}
}
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