restconf/restconf-nb/src/main/java/org/opendaylight/restconf/nb/rfc8040/web/WebInitializer.java

   1 /*
   2  * Copyright (c) 2018 Inocybe Technologies and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.restconf.nb.rfc8040.web;
   9
  10 import static org.opendaylight.restconf.nb.rfc8040.rests.utils.RestconfStreamsConstants.DATA_SUBSCRIPTION;
  11 import static org.opendaylight.restconf.nb.rfc8040.rests.utils.RestconfStreamsConstants.NOTIFICATION_STREAM;
  12 import static org.opendaylight.restconf.nb.rfc8040.utils.RestconfConstants.BASE_URI_PATTERN;
  13
  14 import javax.annotation.PreDestroy;
  15 import javax.inject.Inject;
  16 import javax.inject.Singleton;
  17 import javax.servlet.ServletException;
  18 import org.opendaylight.aaa.filterchain.configuration.CustomFilterAdapterConfiguration;
  19 import org.opendaylight.aaa.filterchain.filters.CustomFilterAdapter;
  20 import org.opendaylight.aaa.web.FilterDetails;
  21 import org.opendaylight.aaa.web.ServletDetails;
  22 import org.opendaylight.aaa.web.WebContext;
  23 import org.opendaylight.aaa.web.WebContextSecurer;
  24 import org.opendaylight.aaa.web.WebServer;
  25 import org.opendaylight.aaa.web.servlet.ServletSupport;
  26 import org.opendaylight.restconf.nb.rfc8040.DataStreamApplication;
  27 import org.opendaylight.restconf.nb.rfc8040.RestconfApplication;
  28 import org.opendaylight.restconf.nb.rfc8040.RootFoundApplication;
  29 import org.opendaylight.restconf.nb.rfc8040.streams.WebSocketInitializer;
  30 import org.opendaylight.yangtools.concepts.Registration;
  31
  32 /**
  33  * Initializes the rfc8040 web app endpoint.
  34  *
  35  * @author Thomas Pantelis
  36  */
  37 @Singleton
  38 public final class WebInitializer implements AutoCloseable {
  39     private final Registration registration;
  40
  41     @Inject
  42     public WebInitializer(final WebServer webServer, final WebContextSecurer webContextSecurer,
  43             final ServletSupport servletSupport, final RestconfApplication webApp,
  44             final DataStreamApplication webAppNotif,
  45             final CustomFilterAdapterConfiguration customFilterAdapterConfig,
  46             final WebSocketInitializer webSocketServlet) throws ServletException {
  47         final var webContextBuilder = WebContext.builder()
  48             .contextPath("/")
  49             .supportsSessions(false)
  50             .addServlet(ServletDetails.builder()
  51                 .addUrlPattern("/" + BASE_URI_PATTERN + "/*")
  52                 .servlet(servletSupport.createHttpServletBuilder(webApp).build())
  53                 .asyncSupported(true)
  54                 .build())
  55             .addServlet(ServletDetails.builder()
  56                 .addUrlPattern("/" + BASE_URI_PATTERN + "/notif/*")
  57                 .servlet(servletSupport.createHttpServletBuilder(webAppNotif).build())
  58                 .name("notificationServlet")
  59                 .asyncSupported(true)
  60                 .build())
  61             .addServlet(ServletDetails.builder()
  62                 .addUrlPattern("/" + BASE_URI_PATTERN + "/" + DATA_SUBSCRIPTION + "/*")
  63                 .addUrlPattern("/" + BASE_URI_PATTERN + "/" + NOTIFICATION_STREAM + "/*")
  64                 .servlet(webSocketServlet)
  65                 .build())
  66             .addServlet(ServletDetails.builder()
  67                 .addUrlPattern("/.well-known/*")
  68                 .servlet(servletSupport.createHttpServletBuilder(new RootFoundApplication(BASE_URI_PATTERN)).build())
  69                 .name("Rootfound")
  70                 .build())
  71
  72             // Allows user to add javax.servlet.Filter(s) in front of REST services
  73             .addFilter(FilterDetails.builder()
  74                 .addUrlPattern("/*")
  75                 .filter(new CustomFilterAdapter(customFilterAdapterConfig))
  76                 .asyncSupported(true)
  77                 .build());
  78
  79         webContextSecurer.requireAuthentication(webContextBuilder, true, "/" + BASE_URI_PATTERN + "/*");
  80
  81         registration = webServer.registerWebContext(webContextBuilder.build());
  82     }
  83
  84     @PreDestroy
  85     @Override
  86     public void close() {
  87         registration.close();
  88     }
  89 }