MicroserviceProxyController up

[portal.git] / portal-BE / src / main / java / org / onap / portal / controller / MicroserviceProxyController.java

diff --git a/portal-BE/src/main/java/org/onap/portal/controller/MicroserviceProxyController.java b/portal-BE/src/main/java/org/onap/portal/controller/MicroserviceProxyController.java
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+++ b/portal-BE/src/main/java/org/onap/portal/controller/MicroserviceProxyController.java
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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;
+        }
+    }
+}