1 files changed, 139 insertions, 0 deletions
diff --git a/qpid/dotnet/Qpid.Sasl/Callbacks.cs b/qpid/dotnet/Qpid.Sasl/Callbacks.cs
new file mode 100644
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+++ b/qpid/dotnet/Qpid.Sasl/Callbacks.cs
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+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+using System;
+using System.Text;
+using System.Globalization;
+using System.Security.Cryptography;
+
+namespace Apache.Qpid.Sasl
+{
+   /// <summary>
+   /// Marker interface for Sasl Callbacks
+   /// </summary>
+   public interface ISaslCallback
+   {
+   } // interface ISaslCallback
+
+   public abstract class TextSaslCallback : ISaslCallback
+   {
+      private string _prompt;
+      private string _text;
+      private string _defaultText;
+
+      public string Prompt
+      {
+         get { return _prompt; }
+         set { _prompt = value; }
+      }
+
+      public string Text
+      {
+         get {
+            if ( _text == null || _text.Length == 0 )
+               return DefaultText;
+            else
+               return _text;
+         }
+         set { _text = value; }
+      }
+
+      public string DefaultText
+      {
+         get { return _defaultText; }
+         set { _defaultText = value; }
+      }
+
+      protected TextSaslCallback(string prompt, string text, string defaultText)
+      {
+         _prompt = prompt;
+         _text = text;
+         _defaultText = defaultText;
+      }
+
+   } // class TextSaslCallback
+
+   public class NameCallback : TextSaslCallback
+   {
+      public NameCallback()
+         : this(Environment.UserName)
+      {
+      }
+      public NameCallback(string defaultText)
+         : base("username:", "", defaultText)
+      {
+      }
+   } // class NameCallback
+
+   public class PasswordCallback : TextSaslCallback
+   {
+      public PasswordCallback()
+         : base("password:", "", "")
+      {
+      }
+
+      public byte[] HashedText
+      {
+          get
+          {
+            string _text = this.Text;
+            System.Security.Cryptography.MD5CryptoServiceProvider x = new System.Security.Cryptography.MD5CryptoServiceProvider();
+            byte[] bs = x.ComputeHash(Encoding.UTF8.GetBytes(_text));
+            return bs;
+          }
+
+      }
+   } // class PasswordCallback
+
+   public class HashedPasswordCallback : TextSaslCallback
+   {
+       public HashedPasswordCallback()
+           : base("password:", "", "")
+       {
+       }
+
+       public byte[] HashedText
+       {
+        get {
+               string _text = this.Text;
+               System.Security.Cryptography.MD5CryptoServiceProvider x = new System.Security.Cryptography.MD5CryptoServiceProvider();
+               _text = _text.PadRight(16, '\0');
+               byte[] bs = x.ComputeHash(Encoding.UTF8.GetBytes(_text));
+               return bs;
+        }
+       }
+   } // class PasswordCallback
+
+   public class RealmCallback : TextSaslCallback
+   {
+      public RealmCallback()
+         : this("localhost")
+      {
+      }
+      public RealmCallback(string defaultText)
+         : base("realm:", "", defaultText)
+      {
+      }
+   } // class RealmCallback
+
+} // namespace Apache.Qpid.Sasl
+
+