tachyon.security.authentication

Class PlainSaslUtils

java.lang.Object

tachyon.security.authentication.PlainSaslUtils

public final class PlainSaslUtils
extends Object

Because the Java SunSASL provider doesn't support the server-side PLAIN mechanism. There is a new provider PlainSaslServerProvider needed to support server-side PLAIN mechanism. PlainSaslHelper is used to register this provider. It also provides methods to generate PLAIN transport for server and client.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PlainSaslUtils.PlainClientCallbackHandler A client side callback to put application provided username/password into SASL transport.

Constructor Summary

Constructors

Constructor and Description
PlainSaslUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static org.apache.thrift.transport.TTransport	getPlainClientTransport(String username, String password, org.apache.thrift.transport.TTransport wrappedTransport) Gets a PLAIN mechanism transport for client side.
static org.apache.thrift.transport.TTransportFactory	getPlainServerTransportFactory(AuthType authType, TachyonConf conf) For server side, get a PLAIN mechanism TTransportFactory.
static boolean	isPlainSaslProviderAdded()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PlainSaslUtils

public PlainSaslUtils()

Method Detail

isPlainSaslProviderAdded

public static boolean isPlainSaslProviderAdded()

Returns:

true if the provider was registered

getPlainServerTransportFactory

public static org.apache.thrift.transport.TTransportFactory getPlainServerTransportFactory(AuthType authType,
                                                                           TachyonConf conf)
                                                                                    throws SaslException

For server side, get a PLAIN mechanism TTransportFactory. A callback handler is hooked for specific authentication methods.

Parameters:

authType - the authentication type

conf - TachyonConf

Returns:

a corresponding TTransportFactory, which is PLAIN mechanism

Throws:

SaslException - if an AuthenticationProvider is not found

getPlainClientTransport

public static org.apache.thrift.transport.TTransport getPlainClientTransport(String username,
                                                             String password,
                                                             org.apache.thrift.transport.TTransport wrappedTransport)
                                                                      throws SaslException

Gets a PLAIN mechanism transport for client side.

Parameters:

username - User Name of PlainClient

password - Password of PlainClient

wrappedTransport - The original Transport

Returns:

Wrapped transport with PLAIN mechanism

Throws:

SaslException - if an AuthenticationProvider is not found