Class ScramClientFunctionalityImpl

java.lang.Object

org.apache.activemq.artemis.protocol.amqp.sasl.scram.ScramClientFunctionalityImpl

All Implemented Interfaces:

ScramClientFunctionality

public class ScramClientFunctionalityImpl
extends Object
implements ScramClientFunctionality

Provides building blocks for creating SCRAM authentication client

Nested Class Summary

Nested classes/interfaces inherited from interface ScramClientFunctionality

ScramClientFunctionality.State

Constructor Summary

Constructors

Constructor	Description
ScramClientFunctionalityImpl(String digestName, String hmacName)	Create new ScramClientFunctionalityImpl
ScramClientFunctionalityImpl(String digestName, String hmacName, String clientNonce)	Create new ScramClientFunctionalityImpl

Method Summary

Modifier and Type	Method	Description
void	checkServerFinalMessage(String serverFinalMessage)	Checks if the server's final message is valid
ScramClientFunctionality.State	getState()	Gets the state of the authentication procedure
boolean	isEnded()	Checks if authentication is completed, either successfully or not.
boolean	isSuccessful()	Checks if authentication is successful.
String	prepareFinalMessage(String password, String serverFirstMessage)	Prepares client's final message
String	prepareFirstMessage(String username)	Prepares first client message You may want to use StringPrep.isContainingProhibitedCharacters(String) in order to check if the username contains only valid characters

Methods inherited from class Object

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

Constructor Details

ScramClientFunctionalityImpl

public ScramClientFunctionalityImpl(String digestName,
 String hmacName)

Create new ScramClientFunctionalityImpl

Parameters:

digestName - Digest to be used

hmacName - HMAC to be used

ScramClientFunctionalityImpl

public ScramClientFunctionalityImpl(String digestName,
 String hmacName,
 String clientNonce)

Create new ScramClientFunctionalityImpl

Parameters:

digestName - Digest to be used

hmacName - HMAC to be used

clientNonce - Client nonce to be used

Method Details

prepareFirstMessage

public String prepareFirstMessage(String username)
                           throws ScramException

Prepares first client message You may want to use StringPrep.isContainingProhibitedCharacters(String) in order to check if the username contains only valid characters

Specified by:

prepareFirstMessage in interface ScramClientFunctionality

Parameters:

username - Username

Returns:

prepared first message

Throws:

ScramException - if username contains prohibited characters

prepareFinalMessage

public String prepareFinalMessage(String password,
 String serverFirstMessage)
                           throws ScramException

Description copied from interface: ScramClientFunctionality

Prepares client's final message

Specified by:

prepareFinalMessage in interface ScramClientFunctionality

Parameters:

password - User password

serverFirstMessage - Server's first message

Returns:

Client's final message

Throws:

ScramException - if there is an error processing server's message, i.e. it violates the protocol

checkServerFinalMessage

public void checkServerFinalMessage(String serverFinalMessage)
                             throws ScramException

Description copied from interface: ScramClientFunctionality

Checks if the server's final message is valid

Specified by:

checkServerFinalMessage in interface ScramClientFunctionality

Parameters:

serverFinalMessage - Server's final message

Throws:

ScramException - if there is an error processing server's message, i.e. it violates the protocol

isSuccessful

public boolean isSuccessful()

Description copied from interface: ScramClientFunctionality

Checks if authentication is successful. You can call this method only if authentication is completed. Ensure that using ScramClientFunctionality.isEnded()

Specified by:

isSuccessful in interface ScramClientFunctionality

Returns:

true if successful, false otherwise

isEnded

public boolean isEnded()

Description copied from interface: ScramClientFunctionality

Checks if authentication is completed, either successfully or not. Authentication is completed if ScramClientFunctionality.getState() returns ENDED.

Specified by:

isEnded in interface ScramClientFunctionality

Returns:

true if authentication has ended

getState

public ScramClientFunctionality.State getState()

Description copied from interface: ScramClientFunctionality

Gets the state of the authentication procedure

Specified by:

getState in interface ScramClientFunctionality

Returns:

Current state