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//
// System.Security.Cryptography.X509Certificates.X509ExtensionCollection
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
// Tim Coleman (tim@timcoleman.com)
//
// (C) 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) Tim Coleman, 2004
// Copyright (C) 2004-2006 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.
//
#if SECURITY_DEP
#if MONO_SECURITY_ALIAS
extern alias MonoSecurity;
using MonoSecurity::Mono.Security;
using MX = MonoSecurity::Mono.Security.X509;
#else
using Mono.Security;
using MX = Mono.Security.X509;
#endif
using System.Collections;
namespace System.Security.Cryptography.X509Certificates {
public sealed class X509ExtensionCollection : ICollection, IEnumerable {
static byte[] Empty = new byte [0];
private ArrayList _list;
// constructors
public X509ExtensionCollection ()
{
_list = new ArrayList ();
}
internal X509ExtensionCollection (MX.X509Certificate cert)
{
_list = new ArrayList (cert.Extensions.Count);
if (cert.Extensions.Count == 0)
return;
foreach (MX.X509Extension ext in cert.Extensions) {
bool critical = ext.Critical;
string oid = ext.Oid;
byte[] raw_data = null;
// extension data is embedded in an octet stream (4)
var value = ext.Value;
if ((value.Tag == 0x04) && (value.Count > 0))
raw_data = value [0].GetBytes ();
X509Extension newt = null;
#if FULL_AOT_RUNTIME
// non-extensible
switch (oid) {
case "2.5.29.14":
newt = new X509SubjectKeyIdentifierExtension (new AsnEncodedData (oid, raw_data), critical);
break;
case "2.5.29.15":
newt = new X509KeyUsageExtension (new AsnEncodedData (oid, raw_data), critical);
break;
case "2.5.29.19":
newt = new X509BasicConstraintsExtension (new AsnEncodedData (oid, raw_data), critical);
break;
case "2.5.29.37":
newt = new X509EnhancedKeyUsageExtension (new AsnEncodedData (oid, raw_data), critical);
break;
}
#else
object[] parameters = new object [2];
parameters [0] = new AsnEncodedData (oid, raw_data ?? Empty);
parameters [1] = critical;
newt = (X509Extension) CryptoConfig.CreateFromName (oid, parameters);
#endif
if (newt == null) {
// not registred in CryptoConfig, using default
newt = new X509Extension (oid, raw_data ?? Empty, critical);
}
_list.Add (newt);
}
}
// properties
public int Count {
get { return _list.Count; }
}
public bool IsSynchronized {
get { return _list.IsSynchronized; }
}
public object SyncRoot {
get { return this; }
}
public X509Extension this [int index] {
get {
if (index < 0)
throw new InvalidOperationException ("index");
return (X509Extension) _list [index];
}
}
public X509Extension this [string oid] {
get {
if (oid == null)
throw new ArgumentNullException ("oid");
if ((_list.Count == 0) || (oid.Length == 0))
return null;
foreach (X509Extension extension in _list) {
if (extension.Oid.Value.Equals (oid))
return extension;
}
return null;
}
}
// methods
public int Add (X509Extension extension)
{
if (extension == null)
throw new ArgumentNullException ("extension");
return _list.Add (extension);
}
public void CopyTo (X509Extension[] array, int index)
{
if (array == null)
throw new ArgumentNullException ("array");
if (index < 0)
throw new ArgumentOutOfRangeException ("negative index");
if (index >= array.Length)
throw new ArgumentOutOfRangeException ("index >= array.Length");
_list.CopyTo (array, index);
}
void ICollection.CopyTo (Array array, int index)
{
if (array == null)
throw new ArgumentNullException ("array");
if (index < 0)
throw new ArgumentOutOfRangeException ("negative index");
if (index >= array.Length)
throw new ArgumentOutOfRangeException ("index >= array.Length");
_list.CopyTo (array, index);
}
public X509ExtensionEnumerator GetEnumerator ()
{
return new X509ExtensionEnumerator (_list);
}
IEnumerator IEnumerable.GetEnumerator ()
{
return new X509ExtensionEnumerator (_list);
}
}
}
#endif
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