org.apache.camel.component.servicenow.auth.AuthenticationRequestFilter Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.camel.component.servicenow.auth;
import java.io.IOException;
import javax.annotation.Priority;
import javax.ws.rs.Priorities;
import javax.ws.rs.client.ClientRequestContext;
import javax.ws.rs.client.ClientRequestFilter;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.ext.Provider;
import javax.xml.bind.DatatypeConverter;
import org.apache.camel.component.servicenow.ServiceNowConfiguration;
@Provider
@Priority(Priorities.AUTHENTICATION)
public class AuthenticationRequestFilter implements ClientRequestFilter {
private final ServiceNowConfiguration configuration;
private final OAuthToken token;
private final String authString;
public AuthenticationRequestFilter(ServiceNowConfiguration configuration) throws IOException {
this.configuration = configuration;
this.token = configuration.hasOAuthAuthentication() ? new OAuthToken(this.configuration) : null;
this.authString = buildBasicAuthString(configuration);
}
@Override
public void filter(ClientRequestContext requestContext) throws IOException {
if (token != null) {
requestContext.getHeaders().add(HttpHeaders.AUTHORIZATION, token.getAuthString());
} else if (authString != null) {
requestContext.getHeaders().add(HttpHeaders.AUTHORIZATION, authString);
}
}
private static String buildBasicAuthString(final ServiceNowConfiguration configuration) throws IOException {
if (!configuration.hasBasicAuthentication()) {
return null;
}
String userAndPassword = configuration.getUserName() + ":" + configuration.getPassword();
return "Basic " + DatatypeConverter.printBase64Binary(userAndPassword.getBytes("UTF-8"));
}
}