1 files changed, 205 insertions, 0 deletions
diff --git a/qpid/java/broker/src/main/java/org/apache/qpid/server/security/auth/manager/AnonymousAuthenticationManager.java b/qpid/java/broker/src/main/java/org/apache/qpid/server/security/auth/manager/AnonymousAuthenticationManager.java
new file mode 100644
index 0000000000..1a6515f71f
--- /dev/null
+++ b/qpid/java/broker/src/main/java/org/apache/qpid/server/security/auth/manager/AnonymousAuthenticationManager.java
@@ -0,0 +1,205 @@
+/*
+ *  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.server.security.auth.manager;
+
+import java.security.Principal;
+import java.util.Arrays;
+import java.util.List;
+import javax.security.auth.Subject;
+import javax.security.auth.callback.CallbackHandler;
+import javax.security.sasl.SaslException;
+import javax.security.sasl.SaslServer;
+import org.apache.commons.configuration.Configuration;
+import org.apache.commons.configuration.ConfigurationException;
+import org.apache.log4j.Logger;
+import org.apache.qpid.server.configuration.plugins.ConfigurationPlugin;
+import org.apache.qpid.server.configuration.plugins.ConfigurationPluginFactory;
+import org.apache.qpid.server.security.auth.AuthenticationResult;
+import org.apache.qpid.server.security.auth.sasl.UsernamePrincipal;
+import org.apache.qpid.server.security.auth.sasl.anonymous.AnonymousInitialiser;
+import org.apache.qpid.server.security.auth.sasl.anonymous.AnonymousSaslServer;
+
+public class AnonymousAuthenticationManager implements AuthenticationManager
+{
+    private static final Logger _logger = Logger.getLogger(AnonymousAuthenticationManager.class);
+
+    private static final AnonymousInitialiser SASL_INITIALISER = new AnonymousInitialiser();
+
+    private static final String ANONYMOUS = SASL_INITIALISER.getMechanismName();
+
+    private static final Principal ANONYMOUS_PRINCIPAL = new UsernamePrincipal("ANONYMOUS");
+
+    private static final Subject ANONYMOUS_SUBJECT = new Subject();
+    static
+    {
+        ANONYMOUS_SUBJECT.getPrincipals().add(ANONYMOUS_PRINCIPAL);
+    }
+
+    private static final AuthenticationResult ANONYMOUS_AUTHENTICATION = new AuthenticationResult(ANONYMOUS_SUBJECT);
+
+
+    private static CallbackHandler _callbackHandler = SASL_INITIALISER.getCallbackHandler();
+
+    static final AnonymousAuthenticationManager INSTANCE = new AnonymousAuthenticationManager();
+
+    public static class AnonymousAuthenticationManagerConfiguration extends ConfigurationPlugin
+    {
+
+        public static final ConfigurationPluginFactory FACTORY =
+                new ConfigurationPluginFactory()
+                {
+                    public List<String> getParentPaths()
+                    {
+                        return Arrays.asList("security.anonymous-auth-manager");
+                    }
+
+                    public ConfigurationPlugin newInstance(final String path, final Configuration config) throws ConfigurationException
+                    {
+                        final ConfigurationPlugin instance = new AnonymousAuthenticationManagerConfiguration();
+
+                        instance.setConfiguration(path, config);
+                        return instance;
+                    }
+                };
+
+        public String[] getElementsProcessed()
+        {
+            return new String[0];
+        }
+
+        public void validateConfiguration() throws ConfigurationException
+        {
+        }
+
+        }
+
+
+    public static final AuthenticationManagerPluginFactory<AnonymousAuthenticationManager> FACTORY = new AuthenticationManagerPluginFactory<AnonymousAuthenticationManager>()
+    {
+        public AnonymousAuthenticationManager newInstance(final ConfigurationPlugin config) throws ConfigurationException
+        {
+            AnonymousAuthenticationManagerConfiguration configuration =
+                    config == null
+                            ? null
+                            : (AnonymousAuthenticationManagerConfiguration) config.getConfiguration(AnonymousAuthenticationManagerConfiguration.class.getName());
+
+            // If there is no configuration for this plugin then don't load it.
+            if (configuration == null)
+            {
+                _logger.info("No authentication-manager configuration found for AnonymousAuthenticationManager");
+                return null;
+            }
+            return INSTANCE;
+        }
+
+        public Class<AnonymousAuthenticationManager> getPluginClass()
+        {
+            return AnonymousAuthenticationManager.class;
+        }
+
+        public String getPluginName()
+        {
+            return AnonymousAuthenticationManager.class.getName();
+        }
+    };
+
+
+    private AnonymousAuthenticationManager()
+    {
+    }
+
+    @Override
+    public void initialise()
+    {
+
+    }
+
+    @Override
+    public String getMechanisms()
+    {
+        return ANONYMOUS;
+    }
+
+    @Override
+    public SaslServer createSaslServer(String mechanism, String localFQDN) throws SaslException
+    {
+        if(ANONYMOUS.equals(mechanism))
+        {
+            return new AnonymousSaslServer();
+        }
+        else
+        {
+            throw new SaslException("Unknown mechanism: " + mechanism);
+        }
+    }
+
+    @Override
+    public AuthenticationResult authenticate(SaslServer server, byte[] response)
+    {
+        try
+        {
+            // Process response from the client
+            byte[] challenge = server.evaluateResponse(response != null ? response : new byte[0]);
+
+            if (server.isComplete())
+            {
+                return ANONYMOUS_AUTHENTICATION;
+            }
+            else
+            {
+                return new AuthenticationResult(challenge, AuthenticationResult.AuthenticationStatus.CONTINUE);
+            }
+        }
+        catch (SaslException e)
+        {
+            return new AuthenticationResult(AuthenticationResult.AuthenticationStatus.ERROR, e);
+        }
+    }
+
+    @Override
+    public AuthenticationResult authenticate(String username, String password)
+    {
+        return ANONYMOUS_AUTHENTICATION;
+    }
+
+    @Override
+    public CallbackHandler getHandler(String mechanism)
+    {
+        if(ANONYMOUS.equals(mechanism))
+        {
+            return _callbackHandler;
+        }
+        else
+        {
+            return null;
+        }
+    }
+
+    @Override
+    public void close()
+    {
+    }
+
+    @Override
+    public void configure(ConfigurationPlugin config) throws ConfigurationException
+    {
+    }
+}