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/*
* ============LICENSE_START=======================================================
* PROJECT
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.dcae.restapi;
import com.att.nsa.apiServer.CommonServlet;
import com.att.nsa.configs.ConfigDbException;
import com.att.nsa.drumlin.service.framework.DrumlinErrorHandler;
import com.att.nsa.drumlin.service.framework.context.DrumlinRequestContext;
import com.att.nsa.drumlin.service.framework.routing.DrumlinRequestRouter;
import com.att.nsa.drumlin.service.framework.routing.playish.DrumlinPlayishRoutingFileSource;
import com.att.nsa.drumlin.service.standards.HttpStatusCodes;
import com.att.nsa.drumlin.till.nv.rrNvReadable;
import com.att.nsa.drumlin.till.nv.rrNvReadable.loadException;
import com.att.nsa.drumlin.till.nv.rrNvReadable.missingReqdSetting;
import com.att.nsa.security.NsaAuthenticator;
import com.att.nsa.security.authenticators.SimpleAuthenticator;
import com.att.nsa.security.db.simple.NsaSimpleApiKey;
import org.apache.tomcat.util.codec.binary.Base64;
import org.onap.dcae.commonFunction.CommonStartup;
import org.onap.dcae.commonFunction.VESLogger;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.net.URL;
import javax.servlet.ServletException;
public class RestfulCollectorServlet extends CommonServlet {
String authid;
String authpwd;
String authlist;
public RestfulCollectorServlet(rrNvReadable settings) throws loadException, missingReqdSetting {
super(settings, "collector", false);
authid = settings.getString(CommonStartup.kSetting_authid, null);
if (authid != null) {
String authpwdtemp = settings.getString(CommonStartup.kSetting_authpwd, null);
authpwd = new String(Base64.decodeBase64(authpwdtemp));
}
authlist = settings.getString(CommonStartup.kSetting_authlist, null);
}
/**
* This is called once at server start. Use it to init any shared objects and setup the route mapping.
*/
@Override
protected void servletSetup()
throws rrNvReadable.missingReqdSetting, rrNvReadable.invalidSettingValue, ServletException {
super.servletSetup();
try {
// the base class provides a bunch of things like API authentication and ECOMP compliant
// logging. The Restful Collector likely doesn't need API authentication, so for now,
// we init the base class services with an in-memory (and empty!) config DB.
commonServletSetup(ConfigDbType.MEMORY);
VESLogger.setUpEcompLogging();
// setup the servlet routing and error handling
final DrumlinRequestRouter drr = getRequestRouter();
// you can tell the request router what to do when a particular kind of exception is thrown.
drr.setHandlerForException(IllegalArgumentException.class, new DrumlinErrorHandler() {
@Override
public void handle(DrumlinRequestContext ctx, Throwable cause) {
sendJsonReply(ctx, HttpStatusCodes.k400_badRequest, cause.getMessage());
}
});
// load the routes from the config file
final URL routes = findStream("routes.conf");
if (routes == null) {
throw new rrNvReadable.missingReqdSetting("No routing configuration.");
}
final DrumlinPlayishRoutingFileSource drs = new DrumlinPlayishRoutingFileSource(routes);
drr.addRouteSource(drs);
if (CommonStartup.authflag > 0) {
NsaAuthenticator<NsaSimpleApiKey> nsaAuth = new SimpleAuthenticator();
if (authlist != null) {
String[] authpair = authlist.split("\\|");
for (String pair : authpair) {
String[] lineid = pair.split(",");
String listauthid = lineid[0];
String listauthpwd = new String(Base64.decodeBase64(lineid[1]));
((SimpleAuthenticator) nsaAuth).add(listauthid, listauthpwd);
}
} else if (authid != null) {
((SimpleAuthenticator) nsaAuth).add(authid, authpwd);
} else {
//add a default test account
((SimpleAuthenticator) nsaAuth).add("admin", "collectorpasscode");
}
this.getSecurityManager().addAuthenticator(nsaAuth);
}
log.info("Restful Collector Servlet is up.");
} catch (SecurityException | IOException | ConfigDbException e) {
throw new ServletException(e);
}
}
private static final long serialVersionUID = 1L;
private static final Logger log = LoggerFactory.getLogger(RestfulCollectorServlet.class);
}
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