1 files changed, 185 insertions, 0 deletions
diff --git a/qpid/java/common/src/main/java/org/apache/qpid/transport/network/security/SecurityLayer.java b/qpid/java/common/src/main/java/org/apache/qpid/transport/network/security/SecurityLayer.java
new file mode 100644
index 0000000000..3f0966903d
--- /dev/null
+++ b/qpid/java/common/src/main/java/org/apache/qpid/transport/network/security/SecurityLayer.java
@@ -0,0 +1,185 @@
+/*
+*
+ * 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.
+ *
+ */
+package org.apache.qpid.transport.network.security;
+
+import java.nio.ByteBuffer;
+
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLEngine;
+
+import org.apache.qpid.transport.Connection;
+import org.apache.qpid.transport.ConnectionListener;
+import org.apache.qpid.transport.ConnectionSettings;
+import org.apache.qpid.transport.Receiver;
+import org.apache.qpid.transport.Sender;
+import org.apache.qpid.transport.TransportException;
+import org.apache.qpid.transport.network.security.sasl.SASLReceiver;
+import org.apache.qpid.transport.network.security.sasl.SASLSender;
+import org.apache.qpid.transport.network.security.ssl.SSLReceiver;
+import org.apache.qpid.transport.network.security.ssl.SSLSender;
+import org.apache.qpid.transport.network.security.ssl.SSLUtil;
+
+public class SecurityLayer
+{
+    ConnectionSettings settings;
+    Connection con;
+    SSLSecurityLayer sslLayer;
+    SASLSecurityLayer saslLayer;
+    
+    public void init(Connection con) throws TransportException
+    {
+        this.con = con;
+        this.settings = con.getConnectionSettings();
+        if (settings.isUseSSL())
+        {
+            sslLayer = new SSLSecurityLayer();
+        }
+        if (settings.isUseSASLEncryption())
+        {
+            saslLayer = new SASLSecurityLayer();
+        }        
+        
+    }
+    
+    public Sender<ByteBuffer> sender(Sender<ByteBuffer> delegate)
+    {
+        Sender<ByteBuffer> sender = delegate;
+        
+        if (settings.isUseSSL())
+        {
+            sender = sslLayer.sender(sender);
+        }     
+        
+        if (settings.isUseSASLEncryption())
+        {
+            sender = saslLayer.sender(sender);
+        }
+        
+        return sender;
+    }
+    
+    public Receiver<ByteBuffer> receiver(Receiver<ByteBuffer> delegate)
+    {
+        Receiver<ByteBuffer> receiver = delegate;
+        
+        if (settings.isUseSSL())
+        {
+            receiver = sslLayer.receiver(receiver);
+        }        
+        
+        if (settings.isUseSASLEncryption())
+        {
+            receiver = saslLayer.receiver(receiver);
+        }
+        
+        return receiver;
+    }
+    
+    public String getUserID()
+    {
+        if (settings.isUseSSL())
+        {
+            return sslLayer.getUserID();
+        }
+        else
+        {
+            return null;
+        }
+    }
+    
+    class SSLSecurityLayer
+    {
+        SSLEngine engine;
+        SSLSender sender;
+                
+        public SSLSecurityLayer() 
+        {
+            SSLContext sslCtx;
+            try
+            {
+                sslCtx = SSLUtil.createSSLContext(settings);
+            }
+            catch (Exception e)
+            {
+                throw new TransportException("Error creating SSL Context", e);
+            }
+            
+            try
+            {
+                engine = sslCtx.createSSLEngine();
+                engine.setUseClientMode(true);
+            }
+            catch(Exception e)
+            {
+                throw new TransportException("Error creating SSL Engine", e);
+            }
+        }
+        
+        public SSLSender sender(Sender<ByteBuffer> delegate)
+        {
+            sender = new SSLSender(engine,delegate);
+            sender.setConnectionSettings(settings);
+            return sender;
+        }
+        
+        public SSLReceiver receiver(Receiver<ByteBuffer> delegate)
+        {
+            if (sender == null)
+            {
+                throw new  
+                IllegalStateException("SecurityLayer.sender method should be " +
+                		"invoked before SecurityLayer.receiver");
+            }
+            
+            SSLReceiver receiver = new SSLReceiver(engine,delegate,sender);
+            receiver.setConnectionSettings(settings);
+            return receiver;
+        }
+        
+        public String getUserID()
+        {
+            return SSLUtil.retriveIdentity(engine);
+        }
+        
+    }
+    
+    class SASLSecurityLayer
+    {
+        public SASLSecurityLayer() 
+        {
+        }
+        
+        public SASLSender sender(Sender<ByteBuffer> delegate)
+        {
+            SASLSender sender = new SASLSender(delegate);
+            con.addConnectionListener((ConnectionListener)sender);
+            return sender;
+        }
+        
+        public SASLReceiver receiver(Receiver<ByteBuffer> delegate)
+        {
+            SASLReceiver receiver = new SASLReceiver(delegate);
+            con.addConnectionListener((ConnectionListener)receiver);
+            return receiver;
+        }
+        
+    }
+}