Imported Upstream version 3.12.0

Former-commit-id: cf92446697332992ec36726e78eb8703e1f259d7

mcs/class/System.IdentityModel/System.IdentityModel.Tokens/BootstrapContext.cs

@@ -0,0 +1,117 @@
+//
+// BootstrapContext.cs
+//
+// Author:
+//   Robert J. van der Boon (rjvdboon@gmail.com)
+//
+// Copyright (C) 2014 Robert J. van der Boon
+//
+// 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 NET_4_5
+using System;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Xml;
+
+namespace System.IdentityModel.Tokens {
+	[Serializable]
+	public class BootstrapContext : ISerializable {
+		/// <summary>Gets the string that was used to initialize the context.</summary>
+		public string Token { get; private set; }
+		/// <summary>Gets the array that was used to initialize the context.</summary>
+		public byte [] TokenBytes { get; private set; }
+		/// <summary>Gets the security token that was used to initialize the context.</summary>
+		public SecurityToken SecurityToken { get; private set; }
+		/// <summary>Gets the token handler that was used to initialize the context.</summary>
+		public SecurityTokenHandler SecurityTokenHandler { get; private set; }
+
+		/// <summary>Initializes a new instance of the <see cref="BootstrapContext"/> class by using the specified string.</summary>
+		public BootstrapContext (string token)
+		{
+			if (token == null)
+				throw new ArgumentNullException ("token");
+			Token = token;
+		}
+
+		/// <summary>Initializes a new instance of the <see cref="BootstrapContext"/> class by using the specified array.</summary>
+		public BootstrapContext (byte [] token)
+		{
+			if (token == null)
+				throw new ArgumentNullException ("token");
+			TokenBytes = token;
+		}
+
+		/// <summary>Initializes a new instance of the <see cref="BootstrapContext"/> class by using the specified security token and token handler.</summary>
+		public BootstrapContext (SecurityToken token, SecurityTokenHandler handler)
+		{
+			if (token == null)
+				throw new ArgumentNullException ("token");
+			if (handler == null)
+				throw new ArgumentNullException ("handler");
+			SecurityToken = token;
+			SecurityTokenHandler = handler;
+		}
+
+		/// <summary>Initializes a new instance of the <see cref="BootstrapContext"/> class from a stream.</summary>
+		protected BootstrapContext (SerializationInfo info, StreamingContext context)
+		{
+			if (info == null)
+				throw new ArgumentNullException ("info");
+			char type = info.GetChar ("K");
+			switch (type) {
+			case 'S':
+				Token = info.GetString ("T");
+				break;
+			case 'B':
+				TokenBytes = (byte [])info.GetValue ("T", typeof (byte []));
+				break;
+			case 'T':
+				Token = Encoding.UTF8.GetString (Convert.FromBase64String (info.GetString ("T")));
+				break;
+			}
+		}
+
+		/// <summary>Populates the <see cref="SerializationInfo"/> with data needed to serialize the current <see cref="BootstrapContext"/> object.</summary>
+		public void GetObjectData (SerializationInfo info, StreamingContext context)
+		{
+			if (info == null)
+				throw new ArgumentNullException ("info");
+			if (Token != null) {
+				info.AddValue ("K", 'S');
+				info.AddValue ("T", Token);
+			} else if (TokenBytes != null) {
+				info.AddValue ("K", 'B');
+				info.AddValue ("T", TokenBytes);
+			} else if (SecurityToken != null && SecurityTokenHandler != null) {
+				info.AddValue ("K", 'T');
+				using (var ms = new MemoryStream ())
+				using (var streamWriter = new StreamWriter (ms, new UTF8Encoding (false)))
+				using (var writer = XmlWriter.Create (streamWriter, new XmlWriterSettings { OmitXmlDeclaration = true })) {
+					SecurityTokenHandler.WriteToken (writer, SecurityToken);
+					writer.Flush ();
+					info.AddValue ("T", Convert.ToBase64String (ms.ToArray ()));
+				}
+			}
+		}
+	}
+}
+#endif