org.apache.sshd.server.auth.pubkey

Class CachingPublicKeyAuthenticator

java.lang.Object

org.apache.sshd.common.util.logging.AbstractLoggingBean

org.apache.sshd.server.auth.pubkey.CachingPublicKeyAuthenticator

All Implemented Interfaces:

PublickeyAuthenticator

public class CachingPublicKeyAuthenticator
extends AbstractLoggingBean
implements PublickeyAuthenticator

Caches the result per session - compensates for OpenSSH behavior where it sends 2 requests with the same key (see SSHD-300).

Field Summary

Fields

Modifier and Type	Field and Description
protected PublickeyAuthenticator	authenticator
static AttributeRepository.AttributeKey<java.util.Map<java.security.PublicKey,java.lang.Boolean>>	CACHE_ATTRIBUTE The AttributeKey used to store the cached authentication results on the session instance

Fields inherited from class org.apache.sshd.common.util.logging.AbstractLoggingBean

log

Constructor Summary

Constructors

Constructor and Description
CachingPublicKeyAuthenticator(PublickeyAuthenticator authenticator)

Method Summary

Modifier and Type	Method and Description
boolean	authenticate(java.lang.String username, java.security.PublicKey key, ServerSession session) Check the validity of a public key.
protected java.util.Map<java.security.PublicKey,java.lang.Boolean>	resolveCachedResults(java.lang.String username, java.security.PublicKey key, ServerSession session)

Methods inherited from class org.apache.sshd.common.util.logging.AbstractLoggingBean

getSimplifiedLogger

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.sshd.server.auth.pubkey.PublickeyAuthenticator

fromAuthorizedEntries

Field Detail

CACHE_ATTRIBUTE

public static final AttributeRepository.AttributeKey<java.util.Map<java.security.PublicKey,java.lang.Boolean>> CACHE_ATTRIBUTE

The AttributeKey used to store the cached authentication results on the session instance

authenticator

protected final PublickeyAuthenticator authenticator

Constructor Detail

CachingPublicKeyAuthenticator

public CachingPublicKeyAuthenticator(PublickeyAuthenticator authenticator)

Method Detail

authenticate

public boolean authenticate(java.lang.String username,
                            java.security.PublicKey key,
                            ServerSession session)

Description copied from interface: PublickeyAuthenticator

Check the validity of a public key.

Specified by:

authenticate in interface PublickeyAuthenticator

Parameters:

username - the username

key - the key

session - the server session

Returns:

a boolean indicating if authentication succeeded or not

resolveCachedResults

protected java.util.Map<java.security.PublicKey,java.lang.Boolean> resolveCachedResults(java.lang.String username,
                                                                                        java.security.PublicKey key,
                                                                                        ServerSession session)