/*
* 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.directory.shared.kerberos.codec;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.nio.ByteBuffer;
import java.util.Arrays;
import org.apache.directory.shared.asn1.DecoderException;
import org.apache.directory.shared.asn1.EncoderException;
import org.apache.directory.shared.asn1.ber.Asn1Decoder;
import org.apache.directory.shared.kerberos.codec.typedData.TypedDataContainer;
import org.apache.directory.shared.kerberos.components.TypedData;
import org.apache.directory.shared.util.Strings;
import org.junit.Test;
/**
* Test cases for TypedData decoder.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class TypedDataDecoderTest
{
@Test
public void testTypedData()
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x21 );
stream.put( new byte[]
{
0x30, 0x1F,
0x30, 0x0F,
( byte ) 0xA0, 0x03, // data-type
0x02,
0x01,
0x02,
( byte ) 0xA1,
0x08, // data-value
0x04,
0x06,
'a',
'b',
'c',
'd',
'e',
'f',
0x30,
0x0C,
( byte ) 0xA0,
0x03, // data-type
0x02,
0x01,
0x02,
( byte ) 0xA1,
0x05, // data-value
0x04,
0x03,
'g',
'h',
'i'
} );
String decodedPdu = Strings.dumpBytes( stream.array() );
stream.flip();
TypedDataContainer typedDataContainer = new TypedDataContainer();
// Decode the TypedData PDU
try
{
kerberosDecoder.decode( stream, typedDataContainer );
}
catch ( DecoderException de )
{
fail( de.getMessage() );
}
TypedData typedData = typedDataContainer.getTypedData();
assertNotNull( typedData.getTypedData().size() );
assertEquals( 2, typedData.getTypedData().size() );
String[] expected = new String[]
{ "abcdef", "ghi" };
int i = 0;
for ( TypedData.TD td : typedData.getTypedData() )
{
assertEquals( 2, td.getDataType() );
assertTrue( Arrays.equals( Strings.getBytesUtf8( expected[i++] ), td.getDataValue() ) );
}
// Check the encoding
ByteBuffer bb = ByteBuffer.allocate( typedData.computeLength() );
try
{
bb = typedData.encode( bb );
// Check the length
assertEquals( 0x21, bb.limit() );
String encodedPdu = Strings.dumpBytes( bb.array() );
assertEquals( encodedPdu, decodedPdu );
}
catch ( EncoderException ee )
{
fail();
}
}
@Test(expected = DecoderException.class)
public void testTypedDataWithoutType() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x09 );
stream.put( new byte[]
{ 0x30, 0x7,
0x30, 0x5,
( byte ) 0xA1, 0x03, // data-value
0x04,
0x01,
'a'
} );
stream.flip();
TypedDataContainer typedDataContainer = new TypedDataContainer();
kerberosDecoder.decode( stream, typedDataContainer );
fail();
}
@Test
public void testTypedDataWithoutData() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x09 );
stream.put( new byte[]
{ 0x30, 0x7,
0x30, 0x05,
( byte ) 0xA0, 0x03, // data-value
0x02,
0x01,
0x02
} );
stream.flip();
TypedDataContainer typedDataContainer = new TypedDataContainer();
kerberosDecoder.decode( stream, typedDataContainer );
TypedData typedData = typedDataContainer.getTypedData();
assertNotNull( typedData.getTypedData() );
assertEquals( 1, typedData.getTypedData().size() );
assertEquals( 2, typedData.getCurrentTD().getDataType() );
}
@Test(expected = DecoderException.class)
public void testTypedDataWithIncorrectPdu() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x04 );
stream.put( new byte[]
{
0x30, 0x2,
0x30, 0x0
} );
stream.flip();
TypedDataContainer typedDataContainer = new TypedDataContainer();
kerberosDecoder.decode( stream, typedDataContainer );
fail();
}
@Test(expected = DecoderException.class)
public void testTypedDataWithEmptyData() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0xD );
stream.put( new byte[]
{
0x30, 0x0B,
0x30, 0x09,
( byte ) 0xA0, 0x03, // data-type
0x02,
0x01,
0x02,
( byte ) 0xA1,
0x02, // data-value
0x04,
0x00
} );
stream.flip();
TypedDataContainer typedDataContainer = new TypedDataContainer();
kerberosDecoder.decode( stream, typedDataContainer );
fail();
}
@Test(expected = DecoderException.class)
public void testTypedDataWithEmptyType() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0xD );
stream.put( new byte[]
{
0x30, 0x0B,
0x30, 0x09,
( byte ) 0xA0, 0x02, // data-type
0x02,
0x00,
( byte ) 0xA1,
0x03, // data-value
0x04,
0x01,
0x02
} );
stream.flip();
TypedDataContainer typedDataContainer = new TypedDataContainer();
kerberosDecoder.decode( stream, typedDataContainer );
fail();
}
}