Package org.apache.accumulo.server.security.handler

Interface Authenticator

All Known Implementing Classes:

KerberosAuthenticator, ZKAuthenticator

public interface Authenticator

This interface is used for the system which will be used for authenticating a user. If the implementation does not support configuration through Accumulo, it should throw an AccumuloSecurityException with the error code UNSUPPORTED_OPERATION

Method Summary

Modifier and Type	Method	Description
boolean	authenticateUser(String principal, AuthenticationToken token)
void	changePassword(String principal, AuthenticationToken token)
void	createUser(String principal, AuthenticationToken token)	Creates a user with no initial permissions whatsoever
void	dropUser(String user)
Set<Class<? extends AuthenticationToken>>	getSupportedTokenTypes()
void	initialize(ServerContext context)
void	initializeSecurity(String principal, byte[] token)
Set<String>	listUsers()
boolean	userExists(String user)	Checks if a user exists
boolean	validSecurityHandlers()
boolean	validTokenClass(String tokenClass)	Returns true if the given token is appropriate for this Authenticator

Method Detail

initialize

void initialize(ServerContext context)

validSecurityHandlers

boolean validSecurityHandlers()

initializeSecurity

void initializeSecurity(String principal,
                        byte[] token)

authenticateUser

boolean authenticateUser(String principal,
                         AuthenticationToken token)
                  throws AccumuloSecurityException

Throws:

AccumuloSecurityException

listUsers

Set<String> listUsers()

createUser

void createUser(String principal,
                AuthenticationToken token)
         throws AccumuloSecurityException

Creates a user with no initial permissions whatsoever

Throws:

AccumuloSecurityException

dropUser

void dropUser(String user)
       throws AccumuloSecurityException

Throws:

AccumuloSecurityException

changePassword

void changePassword(String principal,
                    AuthenticationToken token)
             throws AccumuloSecurityException

Throws:

AccumuloSecurityException

userExists

boolean userExists(String user)

Checks if a user exists

getSupportedTokenTypes

Set<Class<? extends AuthenticationToken>> getSupportedTokenTypes()

validTokenClass

boolean validTokenClass(String tokenClass)

Returns true if the given token is appropriate for this Authenticator