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/*
* Copyright (c) 2019 AT&T Intellectual Property.
* Modifications Copyright © 2018 IBM.
*
* 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.
*
*
* Unless otherwise specified, all documentation contained herein is licensed
* under the Creative Commons License, Attribution 4.0 Intl. (the "License");
* you may not use this documentation except in compliance with the License.
* You may obtain a copy of the License at
*
* https://creativecommons.org/licenses/by/4.0/
*
* Unless required by applicable law or agreed to in writing, documentation
* 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.onap.optf.cmso.aaf;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import javax.ws.rs.ProcessingException;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.Invocation;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import org.onap.observations.Mdc;
import org.onap.observations.Observation;
import org.onap.optf.cmso.SpringProfiles;
import org.onap.optf.cmso.common.BasicAuthenticatorFilter;
import org.onap.optf.cmso.common.LogMessages;
import org.onap.optf.cmso.common.PropertiesManagement;
import org.onap.optf.cmso.common.exceptions.CmsoException;
import org.onap.optf.cmso.filters.CmsoClientFilters;
import org.onap.optf.cmso.service.rs.models.HealthCheckComponent;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Profile;
import org.springframework.core.env.Environment;
import org.springframework.stereotype.Component;
@Component
@Profile(SpringProfiles.AAF_AUTHENTICATION)
public class AafClient {
private static EELFLogger debug = EELFManager.getInstance().getDebugLogger();
@Autowired
Environment env;
@Autowired
PropertiesManagement pm;
@Autowired
AafEndpoints aafEndpoints;
/**
* Gets the authz.
*
* @param auth the auth
* @return the authz
* @throws CmsoException the cmso exception
*/
public Response getAuthz(Map<String, String> auth) throws CmsoException {
Response response = null;
List<String> endpoints = new ArrayList<>();
String url = aafEndpoints.getEndpoint(AafEndpoints.Endpoint.AUTHZ, endpoints);
String user = auth.get("user");
if (!user.contains("@")) {
user += env.getProperty(AafProperties.aafDefaultUserDomain.toString(), "@csp.att.com");
}
String pass = auth.get("password");
while (url != null) {
try {
// Cannot provide changeId. Interesting.
// This should be replaced by fetch
// For now, make a best effort to get the passed changeId
if (!url.endsWith("/")) {
url += "/";
}
url += user;
response = get(url, user, pass);
return response;
} catch (ProcessingException e) {
Observation.report(LogMessages.UNEXPECTED_EXCEPTION, e, e.toString());
url = aafEndpoints.getNextEndpoint(AafEndpoints.Endpoint.AUTHZ, endpoints);
if (url == null || !tryNextUrl(e)) {
throw new CmsoException(Status.INTERNAL_SERVER_ERROR, LogMessages.UNEXPECTED_EXCEPTION, user,
e.getMessage());
}
} catch (Exception e) {
Observation.report(LogMessages.UNEXPECTED_EXCEPTION, e, e.toString());
throw new CmsoException(Status.INTERNAL_SERVER_ERROR, LogMessages.UNEXPECTED_EXCEPTION, user,
e.getMessage());
}
}
return response;
}
/**
* Gets the.
*
* @param url the url
* @param user the user
* @param pass the pass
* @return the response
*/
public Response get(String url, String user, String pass) {
Client client = ClientBuilder.newClient();
client.register(new BasicAuthenticatorFilter(user, pass));
client.register(new CmsoClientFilters());
WebTarget target = client.target(url);
Invocation.Builder invocationBuilder = target.request(MediaType.APPLICATION_JSON);
debug.debug("AAF URL = " + url);
Response response = invocationBuilder.get();
debug.debug("AAF URL = " + url + " user=" + user + ":" + response.getStatusInfo().toString());
return response;
}
private boolean tryNextUrl(ProcessingException exc) {
if (exc.getCause() instanceof UnknownHostException) {
return true;
}
return true;
}
/**
* Health check.
*
* @return the health check component
*/
public HealthCheckComponent healthCheck() {
Map<String, String> mdcSave = Mdc.save();
HealthCheckComponent hcc = new HealthCheckComponent();
hcc.setName("AAF");
hcc.setHealthy(false);
List<String> endpoints = new ArrayList<>();
try {
String url = aafEndpoints.getEndpoint(AafEndpoints.Endpoint.HEALTHCHECK, endpoints);
String user = "";
String pass = "";
while (url != null) {
try {
hcc.setUrl(url);
Response response = get(url, user, pass);
hcc.setHealthy(true);
hcc.setStatus(response.getStatusInfo().toString());
} catch (ProcessingException e) {
Observation.report(LogMessages.UNEXPECTED_EXCEPTION, e, e.toString());
url = aafEndpoints.getNextEndpoint(AafEndpoints.Endpoint.HEALTHCHECK, endpoints);
if (url == null || !tryNextUrl(e)) {
hcc.setStatus(e.getMessage());
}
} catch (Exception e) {
Observation.report(LogMessages.UNEXPECTED_EXCEPTION, e, e.toString());
hcc.setStatus(e.getMessage());
}
}
} finally {
Mdc.restore(mdcSave);
}
return hcc;
}
}
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