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//
// SecurityTokenRequirement.cs
//
// Author:
// Atsushi Enomoto <atsushi@ximian.com>
//
// Copyright (C) 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.
//
using System;
using System.Collections.Generic;
using System.IdentityModel.Tokens;
namespace System.IdentityModel.Selectors
{
public class SecurityTokenRequirement
{
// huh, why not const?
public static string KeySizeProperty {
get { return "http://schemas.microsoft.com/ws/2006/05/identitymodel/securitytokenrequirement/KeySize"; }
}
public static string KeyTypeProperty {
get { return "http://schemas.microsoft.com/ws/2006/05/identitymodel/securitytokenrequirement/KeyType"; }
}
public static string KeyUsageProperty {
get { return "http://schemas.microsoft.com/ws/2006/05/identitymodel/securitytokenrequirement/KeyUsage"; }
}
public static string RequireCryptographicTokenProperty {
get { return "http://schemas.microsoft.com/ws/2006/05/identitymodel/securitytokenrequirement/RequireCryptographicToken"; }
}
public static string TokenTypeProperty {
get { return "http://schemas.microsoft.com/ws/2006/05/identitymodel/securitytokenrequirement/TokenType"; }
}
// Instance members
public SecurityTokenRequirement ()
{
}
Dictionary<string,object> properties;
public int KeySize {
get {
int ret;
if (TryGetProperty<int> (KeySizeProperty, out ret))
return ret;
return default (int);
}
set { Properties [KeySizeProperty] = value; }
}
public SecurityKeyType KeyType {
get {
SecurityKeyType ret;
if (TryGetProperty<SecurityKeyType> (KeyTypeProperty, out ret))
return ret;
return default (SecurityKeyType);
}
set { Properties [KeyTypeProperty] = value; }
}
public string TokenType {
get {
string ret;
if (TryGetProperty<string> (TokenTypeProperty, out ret))
return ret;
return default (string);
}
set { Properties [TokenTypeProperty] = value; }
}
public SecurityKeyUsage KeyUsage {
get {
SecurityKeyUsage ret;
if (TryGetProperty<SecurityKeyUsage> (KeyUsageProperty, out ret))
return ret;
return SecurityKeyUsage.Signature;// not default!!
}
set { Properties [KeyUsageProperty] = value; }
}
public bool RequireCryptographicToken {
get {
bool ret;
if (TryGetProperty<bool> (RequireCryptographicTokenProperty, out ret))
return ret;
return default (bool);
}
set { Properties [RequireCryptographicTokenProperty] = value; }
}
public IDictionary<string,object> Properties {
get {
if (properties == null) {
properties = new Dictionary<string,object> ();
properties [KeyTypeProperty] = SecurityKeyType.SymmetricKey;
properties [KeySizeProperty] = 0;
properties [RequireCryptographicTokenProperty] = false;
}
return properties;
}
}
public TValue GetProperty<TValue> (string propertyName)
{
TValue ret;
if (TryGetProperty<TValue> (propertyName, out ret))
return ret;
throw new ArgumentException (String.Format ("Property '{0}' was not found.", propertyName));
}
public bool TryGetProperty<TValue> (string propertyName, out TValue result)
{
object tmp;
result = default (TValue);
if (!Properties.TryGetValue (propertyName, out tmp))
return false;
if (tmp == null && !typeof (TValue).IsValueType)
result = default (TValue);
else if (tmp is TValue)
result = (TValue) tmp;
else
throw new ArgumentException (String.Format ("The value of property '{0}' is of type '{1}', while '{2}' is expected.", propertyName, tmp.GetType (), typeof (TValue)));
return result != null;
}
}
}
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