116 lines
4.4 KiB
C#
116 lines
4.4 KiB
C#
//
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// BootstrapContext.cs
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//
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// Author:
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// Robert J. van der Boon (rjvdboon@gmail.com)
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//
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// Copyright (C) 2014 Robert J. van der Boon
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.IO;
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using System.Runtime.Serialization;
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using System.Text;
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using System.Xml;
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namespace System.IdentityModel.Tokens {
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[Serializable]
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public class BootstrapContext : ISerializable {
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/// <summary>Gets the string that was used to initialize the context.</summary>
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public string Token { get; private set; }
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/// <summary>Gets the array that was used to initialize the context.</summary>
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public byte [] TokenBytes { get; private set; }
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/// <summary>Gets the security token that was used to initialize the context.</summary>
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public SecurityToken SecurityToken { get; private set; }
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/// <summary>Gets the token handler that was used to initialize the context.</summary>
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public SecurityTokenHandler SecurityTokenHandler { get; private set; }
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/// <summary>Initializes a new instance of the <see cref="BootstrapContext"/> class by using the specified string.</summary>
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public BootstrapContext (string token)
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{
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if (token == null)
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throw new ArgumentNullException ("token");
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Token = token;
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}
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/// <summary>Initializes a new instance of the <see cref="BootstrapContext"/> class by using the specified array.</summary>
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public BootstrapContext (byte [] token)
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{
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if (token == null)
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throw new ArgumentNullException ("token");
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TokenBytes = token;
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}
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/// <summary>Initializes a new instance of the <see cref="BootstrapContext"/> class by using the specified security token and token handler.</summary>
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public BootstrapContext (SecurityToken token, SecurityTokenHandler handler)
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{
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if (token == null)
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throw new ArgumentNullException ("token");
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if (handler == null)
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throw new ArgumentNullException ("handler");
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SecurityToken = token;
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SecurityTokenHandler = handler;
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}
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/// <summary>Initializes a new instance of the <see cref="BootstrapContext"/> class from a stream.</summary>
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protected BootstrapContext (SerializationInfo info, StreamingContext context)
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{
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if (info == null)
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throw new ArgumentNullException ("info");
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char type = info.GetChar ("K");
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switch (type) {
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case 'S':
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Token = info.GetString ("T");
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break;
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case 'B':
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TokenBytes = (byte [])info.GetValue ("T", typeof (byte []));
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break;
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case 'T':
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Token = Encoding.UTF8.GetString (Convert.FromBase64String (info.GetString ("T")));
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break;
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}
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}
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/// <summary>Populates the <see cref="SerializationInfo"/> with data needed to serialize the current <see cref="BootstrapContext"/> object.</summary>
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public void GetObjectData (SerializationInfo info, StreamingContext context)
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{
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if (info == null)
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throw new ArgumentNullException ("info");
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if (Token != null) {
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info.AddValue ("K", 'S');
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info.AddValue ("T", Token);
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} else if (TokenBytes != null) {
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info.AddValue ("K", 'B');
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info.AddValue ("T", TokenBytes);
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} else if (SecurityToken != null && SecurityTokenHandler != null) {
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info.AddValue ("K", 'T');
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using (var ms = new MemoryStream ())
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using (var streamWriter = new StreamWriter (ms, new UTF8Encoding (false)))
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using (var writer = XmlWriter.Create (streamWriter, new XmlWriterSettings { OmitXmlDeclaration = true })) {
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SecurityTokenHandler.WriteToken (writer, SecurityToken);
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writer.Flush ();
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info.AddValue ("T", Convert.ToBase64String (ms.ToArray ()));
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}
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}
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}
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}
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}
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