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/*-
* ============LICENSE_START==========================================
* ONAP Portal
* ===================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ===================================================================
*
* Unless otherwise specified, all software contained herein is licensed
* under the Apache License, Version 2.0 (the "License");
* you may not use this software 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.
*
* ============LICENSE_END============================================
*
*
*/
package org.onap.portal.controller;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.IOException;
import java.security.Principal;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.onap.portal.domain.db.fn.FnUser;
import org.onap.portal.service.MicroserviceProxyService;
import org.onap.portal.service.user.FnUserService;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.EnableAspectJAutoProxy;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.HttpClientErrorException;
@RestController
@Configuration
@EnableAspectJAutoProxy
public class MicroserviceProxyController {
private EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(MicroserviceProxyController.class);
private final MicroserviceProxyService microserviceProxyService;
private final FnUserService fnUserService;
@Autowired
public MicroserviceProxyController(MicroserviceProxyService microserviceProxyService,
FnUserService fnUserService) {
this.microserviceProxyService = microserviceProxyService;
this.fnUserService = fnUserService;
}
@RequestMapping(value = {"/portalApi/microservice/proxy/{serviceId}"}, method = {
RequestMethod.GET}, produces = "application/json")
public String getMicroserviceProxy(Principal principal, HttpServletRequest request, HttpServletResponse response,
@PathVariable("serviceId") long serviceId) throws Exception {
FnUser user = fnUserService.loadUserByUsername(principal.getName());
String answer = "";
try {
answer = microserviceProxyService.proxyToDestination(serviceId, user, request);
} catch (HttpClientErrorException e) {
answer = e.getResponseBodyAsString();
}
return isValidJSON(answer) ? answer
: "{\"error\":\"" + answer.replace(System.getProperty("line.separator"), "") + "\"}";
}
@RequestMapping(value = {"/portalApi/microservice/proxy/parameter/{widgetId}"}, method = {
RequestMethod.GET}, produces = "application/json")
public String getMicroserviceProxyByWidgetId(Principal principal, HttpServletRequest request,
HttpServletResponse response,
@PathVariable("widgetId") long widgetId) throws Exception {
FnUser user = fnUserService.loadUserByUsername(principal.getName());
String answer = "";
try {
answer = microserviceProxyService.proxyToDestinationByWidgetId(widgetId, user, request);
} catch (HttpClientErrorException e) {
answer = e.getResponseBodyAsString();
}
return isValidJSON(answer) ? answer
: "{\"error\":\"" + answer.replace(System.getProperty("line.separator"), "") + "\"}";
}
private boolean isValidJSON(String response) {
try {
final ObjectMapper mapper = new ObjectMapper();
mapper.readTree(response);
return true;
} catch (IOException e) {
logger.debug(EELFLoggerDelegate.debugLogger, "isValidJSON failed", e);
return false;
}
}
}
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