//
// System.Security.Policy.Url.cs
//
// Author
// Duncan Mak (duncan@ximian.com)
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2003 Ximian, Inc (http://www.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.Globalization;
using System.Runtime.InteropServices;
using System.Security.Permissions;
using Mono.Security;
namespace System.Security.Policy{
[Serializable]
[ComVisible (true)]
public sealed class Url: IIdentityPermissionFactory, IBuiltInEvidence {
private string origin_url;
public Url (string name)
: this (name, false)
{
}
internal Url (string name, bool validated)
{
origin_url = validated ? name : Prepare (name);
}
// methods
public object Copy ()
{
// dont re-validate the Url
return new Url (origin_url, true);
}
public IPermission CreateIdentityPermission (Evidence evidence)
{
return new UrlIdentityPermission (origin_url);
}
public override bool Equals (object o)
{
Url u = (o as System.Security.Policy.Url);
if (u == null)
return false;
string url1 = u.Value;
string url2 = origin_url;
if (url1.IndexOf (Uri.SchemeDelimiter) < 0)
url1 = "file://" + url1;
if (url2.IndexOf (Uri.SchemeDelimiter) < 0)
url2 = "file://" + url2;
return (String.Compare (url1, url2, true, CultureInfo.InvariantCulture) == 0);
}
public override int GetHashCode ()
{
string s = origin_url;
if (s.IndexOf (Uri.SchemeDelimiter) < 0)
s = "file://" + s;
return s.GetHashCode ();
}
public override string ToString ()
{
SecurityElement element = new SecurityElement ("System.Security.Policy.Url");
element.AddAttribute ("version", "1");
element.AddChild (new SecurityElement ("Url", origin_url));
return element.ToString ();
}
public string Value {
get { return origin_url; }
}
// interface IBuiltInEvidence
int IBuiltInEvidence.GetRequiredSize (bool verbose)
{
return (verbose ? 3 : 1) + origin_url.Length;
}
[MonoTODO ("IBuiltInEvidence")]
int IBuiltInEvidence.InitFromBuffer (char [] buffer, int position)
{
return 0;
}
[MonoTODO ("IBuiltInEvidence")]
int IBuiltInEvidence.OutputToBuffer (char [] buffer, int position, bool verbose)
{
return 0;
}
// internal
private string Prepare (string url)
{
if (url == null)
throw new ArgumentNullException ("Url");
if (url == String.Empty)
throw new FormatException (Locale.GetText ("Invalid (empty) Url"));
int protocolPos = url.IndexOf (Uri.SchemeDelimiter); // '://'
if (protocolPos > 0) {
if (url.StartsWith ("file://")) {
// convert file url into uppercase
url = "file://" + url.Substring (7);
}
// don't escape and don't reduce (e.g. '.' and '..')
Uri uri = new Uri (url, false, false);
url = uri.ToString ();
}
int lastpos = url.Length - 1;
if (url [lastpos] == '/')
url = url.Substring (0, lastpos);
return url;
}
}
}
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