1 files changed, 99 insertions, 0 deletions
diff --git a/qpid/java/client/src/test/java/org/apache/qpid/client/security/UsernameHashedPasswordCallbackHandlerTest.java b/qpid/java/client/src/test/java/org/apache/qpid/client/security/UsernameHashedPasswordCallbackHandlerTest.java
new file mode 100644
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--- /dev/null
+++ b/qpid/java/client/src/test/java/org/apache/qpid/client/security/UsernameHashedPasswordCallbackHandlerTest.java
@@ -0,0 +1,99 @@
+/*
+ *
+ * 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.client.security;
+
+import java.security.MessageDigest;
+import java.util.Arrays;
+
+import javax.security.auth.callback.Callback;
+import javax.security.auth.callback.NameCallback;
+import javax.security.auth.callback.PasswordCallback;
+
+import junit.framework.TestCase;
+
+import org.apache.qpid.client.AMQConnection;
+import org.apache.qpid.client.AMQConnectionURL;
+import org.apache.qpid.client.MockAMQConnection;
+import org.apache.qpid.client.protocol.AMQProtocolHandler;
+import org.apache.qpid.client.protocol.AMQProtocolSession;
+
+/**
+ * Unit tests for the UsernameHashPasswordCallbackHandler.  This callback handler is
+ * used by the CRAM-MD5-HASHED SASL mechanism.
+ *
+ */
+public class UsernameHashedPasswordCallbackHandlerTest extends TestCase
+{
+    private AMQCallbackHandler _callbackHandler = new UsernameHashedPasswordCallbackHandler(); // Class under test
+    private static final String PROMPT_UNUSED = "unused";
+
+    @Override
+    protected void setUp() throws Exception
+    {
+        super.setUp();
+
+        final String url = "amqp://username:password@client/test?brokerlist='vm://:1'";
+        _callbackHandler.initialise(new AMQConnectionURL(url));
+    }
+
+    /**
+     *  Tests that the callback handler can correctly retrieve the username from the connection url.
+     */
+    public void testNameCallback() throws Exception
+    {
+        final String expectedName = "username";
+        NameCallback nameCallback = new NameCallback(PROMPT_UNUSED);
+
+        assertNull("Unexpected name before test", nameCallback.getName());
+        _callbackHandler.handle(new Callback[] {nameCallback});
+        assertEquals("Unexpected name", expectedName, nameCallback.getName());
+    }
+
+    /**
+     *  Tests that the callback handler can correctly retrieve the password from the connection url
+     *  and calculate a MD5.
+     */
+    public void testDigestedPasswordCallback() throws Exception
+    {
+        final char[] expectedPasswordDigested = getHashPassword("password");
+        
+        PasswordCallback passwordCallback = new PasswordCallback(PROMPT_UNUSED, false);
+        assertNull("Unexpected password before test", passwordCallback.getPassword());
+        _callbackHandler.handle(new Callback[] {passwordCallback});
+        assertTrue("Unexpected password", Arrays.equals(expectedPasswordDigested, passwordCallback.getPassword()));
+    }
+
+    private char[] getHashPassword(final String password) throws Exception
+    {
+        MessageDigest md5Digester = MessageDigest.getInstance("MD5");
+        final byte[] digest = md5Digester.digest(password.getBytes("UTF-8"));
+
+        char[] hash = new char[digest.length];
+
+        int index = 0;
+        for (byte b : digest)
+        {
+            hash[index++] = (char) b;
+        }
+
+        return hash;
+    }
+}