cms/org.argeo.cms.integration/src/org/argeo/cms/websocket/CmsWebSocketConfigurator.java

   1 package org.argeo.cms.websocket;
   2
   3 /** <strong>Disabled until third party issues are solved.</strong>. Customises the initialisation of a new web socket. */
   4 public class CmsWebSocketConfigurator {
   5 //extends Configurator {
   6 //      public final static String WEBSOCKET_SUBJECT = "org.argeo.cms.websocket.subject";
   7 //
   8 //      private final static CmsLog log = CmsLog.getLog(CmsWebSocketConfigurator.class);
   9 //      final static String HEADER_WWW_AUTHENTICATE = "WWW-Authenticate";
  10 //
  11 //      @Override
  12 //      public boolean checkOrigin(String originHeaderValue) {
  13 //              return true;
  14 //      }
  15 //
  16 //      @Override
  17 //      public <T> T getEndpointInstance(Class<T> endpointClass) throws InstantiationException {
  18 //              try {
  19 //                      return endpointClass.getDeclaredConstructor().newInstance();
  20 //              } catch (Exception e) {
  21 //                      throw new IllegalArgumentException("Cannot get endpoint instance", e);
  22 //              }
  23 //      }
  24 //
  25 //      @Override
  26 //      public List<Extension> getNegotiatedExtensions(List<Extension> installed, List<Extension> requested) {
  27 //              return requested;
  28 //      }
  29 //
  30 //      @Override
  31 //      public String getNegotiatedSubprotocol(List<String> supported, List<String> requested) {
  32 //              if ((requested == null) || (requested.size() == 0))
  33 //                      return "";
  34 //              if ((supported == null) || (supported.isEmpty()))
  35 //                      return "";
  36 //              for (String possible : requested) {
  37 //                      if (possible == null)
  38 //                              continue;
  39 //                      if (supported.contains(possible))
  40 //                              return possible;
  41 //              }
  42 //              return "";
  43 //      }
  44 //
  45 //      @Override
  46 //      public void modifyHandshake(ServerEndpointConfig sec, HandshakeRequest request, HandshakeResponse response) {
  47 //
  48 //              RemoteAuthSession httpSession = new ServletHttpSession((javax.servlet.http.HttpSession) request.getHttpSession());
  49 //              if (log.isDebugEnabled() && httpSession != null)
  50 //                      log.debug("Web socket HTTP session id: " + httpSession.getId());
  51 //
  52 //              if (httpSession == null) {
  53 //                      rejectResponse(response, null);
  54 //              }
  55 //              try {
  56 //                      LoginContext lc = new LoginContext(CmsAuth.LOGIN_CONTEXT_USER,
  57 //                                      new RemoteAuthCallbackHandler(httpSession));
  58 //                      lc.login();
  59 //                      if (log.isDebugEnabled())
  60 //                              log.debug("Web socket logged-in as " + lc.getSubject());
  61 //                      Subject.doAs(lc.getSubject(), new PrivilegedAction<Void>() {
  62 //
  63 //                              @Override
  64 //                              public Void run() {
  65 //                                      sec.getUserProperties().put(ServletContextHelper.REMOTE_USER, AccessController.getContext());
  66 //                                      return null;
  67 //                              }
  68 //
  69 //                      });
  70 //              } catch (Exception e) {
  71 //                      rejectResponse(response, e);
  72 //              }
  73 //      }
  74 //
  75 //      /**
  76 //       * Behaviour when the web socket could not be authenticated. Throws an
  77 //       * {@link IllegalStateException} by default.
  78 //       *
  79 //       * @param e can be null
  80 //       */
  81 //      protected void rejectResponse(HandshakeResponse response, Exception e) {
  82 //              // violent implementation, as suggested in
  83 //              // https://stackoverflow.com/questions/21763829/jsr-356-how-to-abort-a-websocket-connection-during-the-handshake
  84 ////            throw new IllegalStateException("Web socket cannot be authenticated");
  85 //      }
  86 }