/// <exception cref="Org.Apache.Hadoop.Security.Token.SecretManager.InvalidToken"/>
/// <exception cref="Javax.Security.Auth.Callback.UnsupportedCallbackException"/>
/// <exception cref="Org.Apache.Hadoop.Ipc.StandbyException"/>
/// <exception cref="Org.Apache.Hadoop.Ipc.RetriableException"/>
/// <exception cref="System.IO.IOException"/>
public virtual void Handle(Javax.Security.Auth.Callback.Callback[] callbacks)
{
NameCallback nc = null;
PasswordCallback pc = null;
AuthorizeCallback ac = null;
foreach (Javax.Security.Auth.Callback.Callback callback in callbacks)
{
if (callback is AuthorizeCallback)
{
ac = (AuthorizeCallback)callback;
}
else
{
if (callback is NameCallback)
{
nc = (NameCallback)callback;
}
else
{
if (callback is PasswordCallback)
{
pc = (PasswordCallback)callback;
}
else
{
if (callback is RealmCallback)
{
continue;
}
else
{
// realm is ignored
throw new UnsupportedCallbackException(callback, "Unrecognized SASL DIGEST-MD5 Callback"
);
}
}
}
}
}
if (pc != null)
{
TokenIdentifier tokenIdentifier = GetIdentifier(nc.GetDefaultName(), secretManager
);
char[] password = GetPassword(tokenIdentifier);
UserGroupInformation user = null;
user = tokenIdentifier.GetUser();
// may throw exception
connection.attemptingUser = user;
if (Log.IsDebugEnabled())
{
Log.Debug("SASL server DIGEST-MD5 callback: setting password " + "for client: " +
tokenIdentifier.GetUser());
}
pc.SetPassword(password);
}
if (ac != null)
{
string authid = ac.GetAuthenticationID();
string authzid = ac.GetAuthorizationID();
if (authid.Equals(authzid))
{
ac.SetAuthorized(true);
}
else
{
ac.SetAuthorized(false);
}
if (ac.IsAuthorized())
{
if (Log.IsDebugEnabled())
{
string username = GetIdentifier(authzid, secretManager).GetUser().GetUserName();
Log.Debug("SASL server DIGEST-MD5 callback: setting " + "canonicalized client ID: "
+ username);
}
ac.SetAuthorizedID(authzid);
}
}
}