(Patch supplied by Tomas Restrepo) QPID-291-2.diff applied. Adds SASL capability to the .Net client.

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@501001 13f79535-47bb-0310-9956-ffa450edef68

3 files changed, 204 insertions, 0 deletions

diff --git a/dotnet/Qpid.Client/Client/Security/CallbackHandlerRegistry.cs b/dotnet/Qpid.Client/Client/Security/CallbackHandlerRegistry.cs
new file mode 100644
index 0000000000..78f13c9f42
--- /dev/null
+++ b/dotnet/Qpid.Client/Client/Security/CallbackHandlerRegistry.cs
@@ -0,0 +1,114 @@
+/*

+ *

+ * 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.Collections;

+using System.Configuration;

+using System.Text;

+using Qpid.Sasl;

+using Qpid.Sasl.Mechanisms;

+

+using Qpid.Client.Configuration;

+

+namespace Qpid.Client.Security

+{

+

+   /// <summary>

+   /// Helper class to map SASL mechanisms to our 

+   /// internal ISaslCallbackHandler implementations.

+   /// </summary>

+   /// <remarks>

+   /// The set of configured callback handlers and their order

+   /// controls the selection of the SASL mechanism used for authentication.

+   /// <para>

+   /// You can either replace the default handler for CRAM-MD5 and PLAIN

+   /// authentication (the two default options) using the application 

+   /// configuration file. Configuration is done by especifying the SASL

+   /// mechanism name (e.g PLAIN) and the type implementing the callback handler

+   /// used to provide any data required by the mechanism like username and password.

+   /// </para>

+   /// <para>

+   /// Callback handler types should implement the IAMQCallbackHandler interface.

+   /// </para>

+   /// <para>

+   /// New callbacks or authentication mechanisms can be configured like this:

+   /// </para>

+   /// <example><![CDATA[

+   /// <configuration>

+   ///   <configSections>

+   ///      <sectionGroup name="qpid.client">

+   ///         <section name="authentication" type="Qpid.Client.Configuration.AuthenticationConfigurationSectionHandler, Qpid.Client"/>

+   ///      </sectionGroup>

+   ///   </configSections>

+   ///   <qpid.client>

+   ///      <authentication>

+   ///         <add key="TEST" value="Qpid.Client.Tests.Security.TestCallbackHandler, Qpid.Client.Tests"/>

+   ///      </authentication>

+   ///   </qpid.client>

+   /// </configuration>

+   /// ]]></example>

+   /// </remarks>

+   public sealed class CallbackHandlerRegistry

+   {

+      private static CallbackHandlerRegistry _instance = 

+         new CallbackHandlerRegistry();

+      private IDictionary _mechanism2HandlerMap;

+      private string[] _mechanisms;

+

+      public static CallbackHandlerRegistry Instance

+      {

+         get { return _instance; }

+      }

+

+      public string[] Mechanisms

+      {

+         get { return _mechanisms; }

+      }

+

+      private CallbackHandlerRegistry()

+      {

+         _mechanism2HandlerMap = (IDictionary)

+            ConfigurationSettings.GetConfig("qpid.client/authentication");

+

+         // configure default options if not available

+         if ( _mechanism2HandlerMap == null )

+            _mechanism2HandlerMap = new Hashtable();

+

+         if ( !_mechanism2HandlerMap.Contains(CramMD5SaslClient.Mechanism) )

+            _mechanism2HandlerMap.Add(CramMD5SaslClient.Mechanism, typeof(UsernamePasswordCallbackHandler));

+         if ( !_mechanism2HandlerMap.Contains(PlainSaslClient.Mechanism) )

+            _mechanism2HandlerMap.Add(PlainSaslClient.Mechanism, typeof(UsernamePasswordCallbackHandler));

+

+         _mechanisms = new string[_mechanism2HandlerMap.Keys.Count];

+         _mechanism2HandlerMap.Keys.CopyTo(_mechanisms, 0);

+      }

+

+      public bool IsSupportedMechanism(string mechanism)

+      {

+         return _mechanism2HandlerMap.Contains(mechanism);

+      }

+

+      public Type GetCallbackHandler(string mechanism)

+      {

+         return (Type)_mechanism2HandlerMap[mechanism];

+      }

+   }

+}

diff --git a/dotnet/Qpid.Client/Client/Security/IAMQCallbackHandler.cs b/dotnet/Qpid.Client/Client/Security/IAMQCallbackHandler.cs
new file mode 100644
index 0000000000..6802b90cee
--- /dev/null
+++ b/dotnet/Qpid.Client/Client/Security/IAMQCallbackHandler.cs
@@ -0,0 +1,34 @@
+/*

+ *

+ * 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 Qpid.Client.Protocol;

+using Qpid.Sasl;

+

+namespace Qpid.Client.Security

+{

+   public interface IAMQCallbackHandler : ISaslCallbackHandler

+   {

+      void Initialize(AMQProtocolSession session);

+   }

+

+} 

+

diff --git a/dotnet/Qpid.Client/Client/Security/UsernamePasswordCallbackHandler.cs b/dotnet/Qpid.Client/Client/Security/UsernamePasswordCallbackHandler.cs
new file mode 100644
index 0000000000..a14139496c
--- /dev/null
+++ b/dotnet/Qpid.Client/Client/Security/UsernamePasswordCallbackHandler.cs
@@ -0,0 +1,56 @@
+/*

+ *

+ * 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.Collections;

+using System.Text;

+using Qpid.Client.Protocol;

+using Qpid.Sasl;

+

+namespace Qpid.Client.Security

+{

+   internal class UsernamePasswordCallbackHandler : IAMQCallbackHandler

+   {

+      private AMQProtocolSession _session;

+

+      public void Initialize(AMQProtocolSession session)

+      {

+         if ( session == null )

+            throw new ArgumentNullException("session");

+

+         _session = session;

+      }

+

+      public void Handle(ISaslCallback[] callbacks)

+      {

+         foreach ( ISaslCallback cb in callbacks )

+         {

+            if ( cb is NameCallback )

+            {

+               ((NameCallback)cb).Text = _session.Username;

+            } else if ( cb is PasswordCallback )

+            {

+               ((PasswordCallback)cb).Text = _session.Password;

+            }

+         }

+      }

+   }

+}