From d524cedc578ae1bfa3bae895b3170f87463cbed9 Mon Sep 17 00:00:00 2001 From: ramverma Date: Tue, 24 Jul 2018 17:36:53 +0100 Subject: Adding more examples to apex-pdp - Adding more examples (DecisionMaker, Periodic & ONAPvCPE) to apex-pdp. - Fixed CORS issue in plugin-event-carrier-restserver module. Added a ContainerResponseFilter to intercept every request/response coming to REST server and add the required headers to support CORS. Change-Id: Ic3e36c683f2a78992ce1417d2c00233b34066f2f Issue-ID: POLICY-861 Signed-off-by: ramverma --- .../carrier/restserver/AccessControlFilter.java | 53 ++++++++++++++++++++++ .../carrier/restserver/ApexRestServerConsumer.java | 2 +- 2 files changed, 54 insertions(+), 1 deletion(-) create mode 100644 plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/main/java/org/onap/policy/apex/plugins/event/carrier/restserver/AccessControlFilter.java (limited to 'plugins') diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/main/java/org/onap/policy/apex/plugins/event/carrier/restserver/AccessControlFilter.java b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/main/java/org/onap/policy/apex/plugins/event/carrier/restserver/AccessControlFilter.java new file mode 100644 index 000000000..b1c6bb9ad --- /dev/null +++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/main/java/org/onap/policy/apex/plugins/event/carrier/restserver/AccessControlFilter.java @@ -0,0 +1,53 @@ +/*- + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. 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. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.plugins.event.carrier.restserver; + +import java.io.IOException; + +import javax.ws.rs.container.ContainerRequestContext; +import javax.ws.rs.container.ContainerResponseContext; +import javax.ws.rs.container.ContainerResponseFilter; +import javax.ws.rs.ext.Provider; + +/** + * This class implements ContainerResponseFilter which intercepts every request/response coming to REST server and adds + * the required HTTP headers to support CORS. + * + * @author Ram Krishna Verma (ram.krishna.verma@ericsson.com) + */ +@Provider +public class AccessControlFilter implements ContainerResponseFilter { + + @Override + public void filter(final ContainerRequestContext requestContext, final ContainerResponseContext responseContext) + throws IOException { + responseContext.getHeaders().add("Access-Control-Allow-Origin", requestContext.getHeaderString("Origin")); + + responseContext.getHeaders().add("Access-Control-Expose-Headers", "Content-Type, Accept, Allow"); + + responseContext.getHeaders().add("Access-Control-Allow-Headers", "Origin, Content-Type, Accept"); + + responseContext.getHeaders().add("Access-Control-Allow-Credentials", "true"); + + responseContext.getHeaders().add("Access-Control-Allow-Methods", "OPTIONS, GET, POST, PUT"); + } + +} diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/main/java/org/onap/policy/apex/plugins/event/carrier/restserver/ApexRestServerConsumer.java b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/main/java/org/onap/policy/apex/plugins/event/carrier/restserver/ApexRestServerConsumer.java index 71bf80f66..8cf0c8f9c 100644 --- a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/main/java/org/onap/policy/apex/plugins/event/carrier/restserver/ApexRestServerConsumer.java +++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/main/java/org/onap/policy/apex/plugins/event/carrier/restserver/ApexRestServerConsumer.java @@ -135,7 +135,7 @@ public class ApexRestServerConsumer implements ApexEventConsumer, Runnable { restConsumerProperties.getPort()); // Instantiate the standalone server - final ResourceConfig rc = new ResourceConfig(RestServerEndpoint.class); + final ResourceConfig rc = new ResourceConfig(RestServerEndpoint.class, AccessControlFilter.class); server = GrizzlyHttpServerFactory.createHttpServer(URI.create(baseURI), rc); while (!server.isStarted()) { -- cgit 1.2.3-korg