package org.apache.kerberos.kerb.ccache;
import org.apache.kerberos.kerb.KrbOutputStream;
import org.apache.kerberos.kerb.spec.KerberosTime;
import org.apache.kerberos.kerb.spec.common.*;
import org.apache.kerberos.kerb.spec.ticket.Ticket;
import org.apache.kerberos.kerb.spec.ticket.TicketFlags;
import java.io.IOException;
import java.io.OutputStream;
import java.util.List;
public class CredCacheOutputStream extends KrbOutputStream
{
public CredCacheOutputStream(OutputStream out) {
super(out);
}
@Override
public void writePrincipal(PrincipalName principal, int version) throws IOException {
List<String> nameComponents = principal.getNameStrings();
if (version != CredentialCache.FCC_FVNO_1) {
writeInt(principal.getNameType().getValue());
}
int numComponents = nameComponents.size();
if (version == CredentialCache.FCC_FVNO_1) {
numComponents ++;
}
writeInt(numComponents);
writeRealm(principal.getRealm());
for (String nameCom : nameComponents) {
writeCountedString(nameCom);
}
}
@Override
public void writeKey(EncryptionKey key, int version) throws IOException {
writeShort(key.getKeyType().getValue());
if (version == CredentialCache.FCC_FVNO_3) {
writeShort(key.getKeyType().getValue());
}
writeCountedOctets(key.getKeyData());
}
public void writeTimes(KerberosTime[] times) throws IOException {
for (int i = 0; i < times.length; ++i) {
writeTime(times[i]);
}
}
public void writeAddresses(HostAddresses addrs) throws IOException {
if (addrs == null) {
writeInt(0);
} else {
List<HostAddress> addresses = addrs.getElements();
write(addresses.size());
for (HostAddress addr : addresses) {
writeAddress(addr);
}
}
}
public void writeAddress(HostAddress address) throws IOException {
write(address.getAddrType().getValue());
write(address.getAddress().length);
write(address.getAddress(), 0,
address.getAddress().length);
}
public void writeAuthzData(AuthorizationData authData) throws IOException {
if (authData == null) {
writeInt(0);
} else {
for (AuthorizationDataEntry entry : authData.getElements()) {
write(entry.getAuthzType().getValue());
write(entry.getAuthzData().length);
write(entry.getAuthzData());
}
}
}
public void writeTicket(Ticket t) throws IOException {
if (t == null) {
writeInt(0);
} else {
byte[] bytes = t.encode();
writeInt(bytes.length);
write(bytes);
}
}
public void writeIsSkey(boolean isEncInSKey) throws IOException {
writeByte(isEncInSKey ? 1 : 0);
}
public void writeTicketFlags(TicketFlags ticketFlags) throws IOException {
writeInt(ticketFlags.getFlags());
}
}