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/*
 *   Copyright 2019 Red Hat, Inc, and individual contributors.
 *
 *   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 io.smallrye.jwt.auth.principal;

import org.jose4j.jwt.consumer.JwtContext;

/**
 * A default implementation of the abstract JWTCallerPrincipalFactory that uses the Keycloak token parsing classes.
 */
public class DefaultJWTCallerPrincipalFactory extends JWTCallerPrincipalFactory {

    private final DefaultJWTTokenParser parser = new DefaultJWTTokenParser();

    @Override
    public JWTCallerPrincipal parse(final String token, final JWTAuthContextInfo authContextInfo) throws ParseException {

        JwtContext jwtContext = parser.parse(token, authContextInfo);
        String type = jwtContext.getJoseObjects().get(0).getHeader("typ");
        return new DefaultJWTCallerPrincipal(type, jwtContext.getJwtClaims());
    }

}