TokenAuthInterceptor.java

/*
 * (C) Copyright 2006-2012 Nuxeo SA (http://nuxeo.com/) and others.
 *
 * 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.
 *
 * Contributors:
 *     Antoine Taillefer
 */
package org.nuxeo.ecm.automation.client.jaxrs.spi.auth;

import org.nuxeo.ecm.automation.client.jaxrs.spi.Connector;
import org.nuxeo.ecm.automation.client.jaxrs.spi.Request;
import org.nuxeo.ecm.automation.client.jaxrs.spi.RequestInterceptor;

import com.sun.jersey.api.client.ClientHandlerException;
import com.sun.jersey.api.client.ClientRequest;
import com.sun.jersey.api.client.ClientResponse;

/**
 * Injects the token authentication header in the request.
 *
 * @author Antoine Taillefer (ataillefer@nuxeo.com)
 * @since 5.7
 */
public class TokenAuthInterceptor extends RequestInterceptor {

    protected static final String TOKEN_HEADER = "X-Authentication-Token";

    protected String token;

    public TokenAuthInterceptor(String token) {
        this.token = token;
    }

    @Override
    public void processRequest(Request request, Connector connector) {
        request.put(TOKEN_HEADER, token);
    }

    @Override
    public ClientResponse handle(ClientRequest cr) throws ClientHandlerException {
        if (!cr.getHeaders().containsKey(TOKEN_HEADER)) {
            cr.getHeaders().add(TOKEN_HEADER, token);
        }
        return getNext().handle(cr);
    }
}