/*
* 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.ambari.logsearch.common;
import javax.inject.Inject;
import javax.inject.Named;
import javax.ws.rs.client.Invocation;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.Response;
import org.apache.ambari.logsearch.conf.AuthPropsConfig;
import org.apache.ambari.logsearch.util.SSLUtil;
import org.apache.commons.httpclient.auth.InvalidCredentialsException;
import org.apache.log4j.Logger;
import org.glassfish.jersey.client.JerseyClient;
import org.glassfish.jersey.client.JerseyClientBuilder;
import org.glassfish.jersey.client.authentication.HttpAuthenticationFeature;
/**
* Layer to send REST request to External server using jersey client
*/
@Named
public class ExternalServerClient {
private static Logger LOG = Logger.getLogger(ExternalServerClient.class);
private static final ThreadLocal<JerseyClient> localJerseyClient = new ThreadLocal<JerseyClient>() {
@Override
protected JerseyClient initialValue() {
return SSLUtil.isKeyStoreSpecified() ?
new JerseyClientBuilder().sslContext(SSLUtil.getSSLContext()).build() :
JerseyClientBuilder.createClient();
}
};
@Inject
private AuthPropsConfig authPropsConfig;
/**
* Send GET request to an external server
*/
public Object sendGETRequest(String loginUrl, Class<?> klass, String username, String password) throws Exception {
String url = authPropsConfig.getExternalAuthHostUrl() + loginUrl;
JerseyClient client = localJerseyClient.get();
HttpAuthenticationFeature authFeature = HttpAuthenticationFeature.basicBuilder()
.credentials(username, password)
.build();
client.register(authFeature);
WebTarget target = client.target(url);
LOG.debug("URL: " + url);
Invocation.Builder invocationBuilder = target.request();
try {
Response response = invocationBuilder.get();
if (response.getStatus() != Response.Status.OK.getStatusCode()
&& response.getStatus() != Response.Status.FOUND.getStatusCode()) {
throw new InvalidCredentialsException(String.format("External auth failed with status code: %d, response: %s",
response.getStatus(), response.readEntity(String.class)));
}
return response.readEntity(klass);
} catch (Exception e) {
throw new Exception(e.getCause());
} finally {
localJerseyClient.remove();
}
}
}