1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 package org.apache.directory.server.kerberos.shared.io.encoder;
21
22
23 import java.io.ByteArrayOutputStream;
24 import java.io.IOException;
25
26 import org.apache.directory.server.kerberos.shared.messages.ApplicationRequest;
27 import org.apache.directory.shared.asn1.der.ASN1OutputStream;
28 import org.apache.directory.shared.asn1.der.DERApplicationSpecific;
29 import org.apache.directory.shared.asn1.der.DERBitString;
30 import org.apache.directory.shared.asn1.der.DERInteger;
31 import org.apache.directory.shared.asn1.der.DERSequence;
32 import org.apache.directory.shared.asn1.der.DERTaggedObject;
33
34
35
36
37
38
39 public class ApplicationRequestEncoder
40 {
41
42
43
44 public static final int APPLICATION_CODE = 14;
45
46
47
48
49
50
51
52
53
54 public byte[] encode( ApplicationRequest request ) throws IOException
55 {
56 ByteArrayOutputStream baos = new ByteArrayOutputStream();
57 ASN1OutputStream aos = new ASN1OutputStream( baos );
58
59 DERSequence requestSequence = encodeReplySequence( request );
60 aos.writeObject( DERApplicationSpecific.valueOf( APPLICATION_CODE, requestSequence ) );
61 aos.close();
62
63 return baos.toByteArray();
64 }
65
66
67
68
69
70
71
72
73
74
75
76 private DERSequence encodeReplySequence( ApplicationRequest message )
77 {
78 DERSequence sequence = new DERSequence();
79
80 sequence.add( new DERTaggedObject( 0, DERInteger.valueOf( message.getProtocolVersionNumber() ) ) );
81 sequence.add( new DERTaggedObject( 1, DERInteger.valueOf( message.getMessageType().getOrdinal() ) ) );
82 sequence.add( new DERTaggedObject( 2, new DERBitString( message.getApOptions().getBytes() ) ) );
83 sequence.add( new DERTaggedObject( 3, TicketEncoder.encode( message.getTicket() ) ) );
84 sequence.add( new DERTaggedObject( 4, EncryptedDataEncoder.encodeSequence( message.getEncPart() ) ) );
85
86 return sequence;
87 }
88 }