/*
* JBoss, Home of Professional Open Source.
* Copyright 2016 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.token;
import org.wildfly.security.auth.server.RealmUnavailableException;
import org.wildfly.security.authz.Attributes;
import org.wildfly.security.evidence.BearerTokenEvidence;
/**
* <p>A {@link TokenValidator} is responsible to validate a {@link BearerTokenEvidence} and support validation and transformation
* of different types of security tokens.
*
* @author <a href="mailto:psilva@redhat.com">Pedro Igor</a>
*/
public interface TokenValidator {
/**
* <p>Validates a {@link BearerTokenEvidence} and returns an {@link Attributes} instance containing all information
* within a security token passed through <code>evidence</code>.
*
* @param evidence a {@link BearerTokenEvidence} holding the security token to validate
* @return an {@link Attributes} instance containing all information from the security token, when valid. Otherwise,
* this method returns null to indicate that the security token is invalid
* @throws RealmUnavailableException if any error occurs when validating the evidence
*/
Attributes validate(BearerTokenEvidence evidence) throws RealmUnavailableException;
}