org.apache.hadoop.security.authentication.util

Class FileSignerSecretProvider

java.lang.Object

org.apache.hadoop.security.authentication.util.SignerSecretProvider

org.apache.hadoop.security.authentication.util.FileSignerSecretProvider

@InterfaceStability.Unstable
@InterfaceAudience.Private
public class FileSignerSecretProvider
extends SignerSecretProvider

A SignerSecretProvider that simply loads a secret from a specified file.

Constructor Summary

Constructors

Constructor and Description
FileSignerSecretProvider()

Method Summary

Methods

Modifier and Type	Method and Description
byte[][]	getAllSecrets() Returns all secrets that a cookie could have been signed with and are still valid; this should include the secret returned by getCurrentSecret().
byte[]	getCurrentSecret() Returns the current secret to be used by the Signer for signing new cookies.
void	init(Properties config, javax.servlet.ServletContext servletContext, long tokenValidity) Initialize the SignerSecretProvider

Methods inherited from class org.apache.hadoop.security.authentication.util.SignerSecretProvider

destroy

Methods inherited from class java.lang.Object

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

Constructor Detail

FileSignerSecretProvider

public FileSignerSecretProvider()

Method Detail

init

public void init(Properties config,
        javax.servlet.ServletContext servletContext,
        long tokenValidity)
          throws Exception

Description copied from class: SignerSecretProvider

Initialize the SignerSecretProvider

Specified by:

init in class SignerSecretProvider

Parameters:

config - configuration properties

servletContext - servlet context

tokenValidity - The amount of time a token is valid for

Throws:

Exception - thrown if an error occurred

getCurrentSecret

public byte[] getCurrentSecret()

Description copied from class: SignerSecretProvider

Returns the current secret to be used by the Signer for signing new cookies. This should never return null.

Callers should be careful not to modify the returned value.

Specified by:

getCurrentSecret in class SignerSecretProvider

Returns:

the current secret

getAllSecrets

public byte[][] getAllSecrets()

Description copied from class: SignerSecretProvider

Returns all secrets that a cookie could have been signed with and are still valid; this should include the secret returned by getCurrentSecret().

Callers should be careful not to modify the returned value.

Specified by:

getAllSecrets in class SignerSecretProvider

Returns:

the secrets