HTTPBasicAuthFilter.java

/*
 * GovWay - A customizable API Gateway 
 * https://govway.org
 * 
 * Copyright (c) 2005-2025 Link.it srl (https://link.it). 
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3, as published by
 * the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package org.openspcoop2.utils.service.authentication.filter;

import javax.ws.rs.client.ClientRequestContext;
import javax.ws.rs.client.ClientRequestFilter;
import javax.ws.rs.core.MultivaluedMap;

import org.openspcoop2.utils.io.Base64Utilities;
import org.openspcoop2.utils.transport.http.HttpConstants;

/** 
 * HTTPBasicAuthFilter
 *
 * @author Giuliano Pintori (pintori@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
 */
public class HTTPBasicAuthFilter implements ClientRequestFilter {

    private final String user;
    private final String password;

    public HTTPBasicAuthFilter(String user, String password) {
        this.user = user;
        this.password = password;
    }

    @Override
    public void filter(ClientRequestContext requestContext) {
        MultivaluedMap<String, Object> headers = requestContext.getHeaders();
        final String basicAuthentication = getBasicAuthentication();
        headers.add(HttpConstants.AUTHORIZATION, basicAuthentication);

    }

    private String getBasicAuthentication() {
        String token = this.user + ":" + this.password;
        return HttpConstants.AUTHORIZATION_PREFIX_BASIC+ Base64Utilities.encodeAsString(token.getBytes());
    }
}