/*
* JBoss, Home of Professional Open Source
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.wildfly.security.auth.realm.ldap;
import java.security.Provider;
import java.util.function.Supplier;
import org.wildfly.security.auth.SupportLevel;
import org.wildfly.security.credential.Credential;
/**
* A {@link CredentialLoader} for loading credentials stored in LDAP directory.
*
* Implementations of this interface are instantiated for a specific identity, as a result all of the methods on this interface
* are specific to that identity.
*
* @author <a href="mailto:darran.lofthouse@jboss.com">Darran Lofthouse</a>
*/
interface IdentityCredentialLoader {
/**
* Determine whether a given credential is definitely supported, possibly supported, or definitely not supported.
*
* @param credentialType the credential type (must not be {@code null})
* @param algorithmName the credential algorithm name, if any
* @param providers the providers to use when checking ability to obtain the credential
* @return the level of support for this credential type
*/
SupportLevel getCredentialAcquireSupport(Class<? extends Credential> credentialType, String algorithmName, Supplier<Provider[]> providers);
/**
* Acquire a credential of the given type.
*
* @param <C> the type to which should be credential casted
* @param credentialType the credential type (must not be {@code null})
* @param algorithmName the credential algorithm name, if any
* @param providers the providers to use when obtaining the credential
* @return the credential, or {@code null} if the principal has no credential of that name or cannot be casted to that type
*/
<C extends Credential> C getCredential(Class<C> credentialType, String algorithmName, Supplier<Provider[]> providers);
}