Examples with Endpoint javax.websocket.Endpoint used on opensource projects

Example 31 with Endpoint

use of javax.websocket.Endpoint in project spring-framework by spring-projects.

the class TomcatRequestUpgradeStrategy method upgrade.

@Override
public Mono<Void> upgrade(ServerWebExchange exchange, WebSocketHandler handler, Optional<String> subProtocol) {
    ServerHttpRequest request = exchange.getRequest();
    ServerHttpResponse response = exchange.getResponse();
    HttpServletRequest servletRequest = getHttpServletRequest(request);
    HttpServletResponse servletResponse = getHttpServletResponse(response);
    Endpoint endpoint = new StandardWebSocketHandlerAdapter(handler, session -> {
        HandshakeInfo info = getHandshakeInfo(exchange, subProtocol);
        DataBufferFactory factory = response.bufferFactory();
        return new StandardWebSocketSession(session, info, factory);
    });
    String requestURI = servletRequest.getRequestURI();
    DefaultServerEndpointConfig config = new DefaultServerEndpointConfig(requestURI, endpoint);
    config.setSubprotocols(subProtocol.map(Collections::singletonList).orElse(Collections.emptyList()));
    try {
        WsServerContainer container = getContainer(servletRequest);
        container.doUpgrade(servletRequest, servletResponse, config, Collections.emptyMap());
    } catch (ServletException | IOException ex) {
        return Mono.error(ex);
    }
    return Mono.empty();
}

Example 32 with Endpoint

use of javax.websocket.Endpoint in project tomcat70 by apache.

the class WsSci method onStartup.

@Override
public void onStartup(Set<Class<?>> clazzes, ServletContext ctx) throws ServletException {
    if (!isJava7OrLater()) {
        // it if Java 7 is not available.
        if (!logMessageWritten) {
            logMessageWritten = true;
            log.info(sm.getString("sci.noWebSocketSupport"));
        }
        return;
    }
    WsServerContainer sc = init(ctx, true);
    if (clazzes == null || clazzes.size() == 0) {
        return;
    }
    // Group the discovered classes by type
    Set<ServerApplicationConfig> serverApplicationConfigs = new HashSet<ServerApplicationConfig>();
    Set<Class<? extends Endpoint>> scannedEndpointClazzes = new HashSet<Class<? extends Endpoint>>();
    Set<Class<?>> scannedPojoEndpoints = new HashSet<Class<?>>();
    try {
        // wsPackage is "javax.websocket."
        String wsPackage = ContainerProvider.class.getName();
        wsPackage = wsPackage.substring(0, wsPackage.lastIndexOf('.') + 1);
        for (Class<?> clazz : clazzes) {
            int modifiers = clazz.getModifiers();
            if (!Modifier.isPublic(modifiers) || Modifier.isAbstract(modifiers)) {
                // Non-public or abstract - skip it.
                continue;
            }
            // Protect against scanning the WebSocket API JARs
            if (clazz.getName().startsWith(wsPackage)) {
                continue;
            }
            if (ServerApplicationConfig.class.isAssignableFrom(clazz)) {
                serverApplicationConfigs.add((ServerApplicationConfig) clazz.newInstance());
            }
            if (Endpoint.class.isAssignableFrom(clazz)) {
                @SuppressWarnings("unchecked") Class<? extends Endpoint> endpoint = (Class<? extends Endpoint>) clazz;
                scannedEndpointClazzes.add(endpoint);
            }
            if (clazz.isAnnotationPresent(ServerEndpoint.class)) {
                scannedPojoEndpoints.add(clazz);
            }
        }
    } catch (InstantiationException e) {
        throw new ServletException(e);
    } catch (IllegalAccessException e) {
        throw new ServletException(e);
    }
    // Filter the results
    Set<ServerEndpointConfig> filteredEndpointConfigs = new HashSet<ServerEndpointConfig>();
    Set<Class<?>> filteredPojoEndpoints = new HashSet<Class<?>>();
    if (serverApplicationConfigs.isEmpty()) {
        filteredPojoEndpoints.addAll(scannedPojoEndpoints);
    } else {
        for (ServerApplicationConfig config : serverApplicationConfigs) {
            Set<ServerEndpointConfig> configFilteredEndpoints = config.getEndpointConfigs(scannedEndpointClazzes);
            if (configFilteredEndpoints != null) {
                filteredEndpointConfigs.addAll(configFilteredEndpoints);
            }
            Set<Class<?>> configFilteredPojos = config.getAnnotatedEndpointClasses(scannedPojoEndpoints);
            if (configFilteredPojos != null) {
                filteredPojoEndpoints.addAll(configFilteredPojos);
            }
        }
    }
    try {
        // Deploy endpoints
        for (ServerEndpointConfig config : filteredEndpointConfigs) {
            sc.addEndpoint(config);
        }
        // Deploy POJOs
        for (Class<?> clazz : filteredPojoEndpoints) {
            sc.addEndpoint(clazz);
        }
    } catch (DeploymentException e) {
        throw new ServletException(e);
    }
}

Example 33 with Endpoint

use of javax.websocket.Endpoint in project tomcat70 by apache.

the class WsWebSocketContainer method connectToServerRecursive.

private Session connectToServerRecursive(Endpoint endpoint, ClientEndpointConfig clientEndpointConfiguration, URI path, Set<URI> redirectSet) throws DeploymentException {
    boolean secure = false;
    ByteBuffer proxyConnect = null;
    URI proxyPath;
    // Validate scheme (and build proxyPath)
    String scheme = path.getScheme();
    if ("ws".equalsIgnoreCase(scheme)) {
        proxyPath = URI.create("http" + path.toString().substring(2));
    } else if ("wss".equalsIgnoreCase(scheme)) {
        proxyPath = URI.create("https" + path.toString().substring(3));
        secure = true;
    } else {
        throw new DeploymentException(sm.getString("wsWebSocketContainer.pathWrongScheme", scheme));
    }
    // Validate host
    String host = path.getHost();
    if (host == null) {
        throw new DeploymentException(sm.getString("wsWebSocketContainer.pathNoHost"));
    }
    int port = path.getPort();
    SocketAddress sa = null;
    // Check to see if a proxy is configured. Javadoc indicates return value
    // will never be null
    List<Proxy> proxies = ProxySelector.getDefault().select(proxyPath);
    Proxy selectedProxy = null;
    for (Proxy proxy : proxies) {
        if (proxy.type().equals(Proxy.Type.HTTP)) {
            sa = proxy.address();
            if (sa instanceof InetSocketAddress) {
                InetSocketAddress inet = (InetSocketAddress) sa;
                if (inet.isUnresolved()) {
                    sa = new InetSocketAddress(inet.getHostName(), inet.getPort());
                }
            }
            selectedProxy = proxy;
            break;
        }
    }
    // scheme
    if (port == -1) {
        if ("ws".equalsIgnoreCase(scheme)) {
            port = 80;
        } else {
            // Must be wss due to scheme validation above
            port = 443;
        }
    }
    // If sa is null, no proxy is configured so need to create sa
    if (sa == null) {
        sa = new InetSocketAddress(host, port);
    } else {
        proxyConnect = createProxyRequest(host, port);
    }
    // Create the initial HTTP request to open the WebSocket connection
    Map<String, List<String>> reqHeaders = createRequestHeaders(host, port, clientEndpointConfiguration);
    clientEndpointConfiguration.getConfigurator().beforeRequest(reqHeaders);
    if (Constants.DEFAULT_ORIGIN_HEADER_VALUE != null && !reqHeaders.containsKey(Constants.ORIGIN_HEADER_NAME)) {
        List<String> originValues = new ArrayList<String>(1);
        originValues.add(Constants.DEFAULT_ORIGIN_HEADER_VALUE);
        reqHeaders.put(Constants.ORIGIN_HEADER_NAME, originValues);
    }
    ByteBuffer request = createRequest(path, reqHeaders);
    AsynchronousSocketChannel socketChannel;
    try {
        socketChannel = AsynchronousSocketChannel.open(getAsynchronousChannelGroup());
    } catch (IOException ioe) {
        throw new DeploymentException(sm.getString("wsWebSocketContainer.asynchronousSocketChannelFail"), ioe);
    }
    Map<String, Object> userProperties = clientEndpointConfiguration.getUserProperties();
    // Get the connection timeout
    long timeout = IO_TIMEOUT_MS_DEFAULT;
    String timeoutValue = (String) userProperties.get(IO_TIMEOUT_MS_PROPERTY);
    if (timeoutValue != null) {
        timeout = Long.valueOf(timeoutValue).intValue();
    }
    // Set-up
    // Same size as the WsFrame input buffer
    ByteBuffer response = ByteBuffer.allocate(getDefaultMaxBinaryMessageBufferSize());
    String subProtocol;
    boolean success = false;
    List<Extension> extensionsAgreed = new ArrayList<Extension>();
    Transformation transformation = null;
    // Open the connection
    Future<Void> fConnect = socketChannel.connect(sa);
    AsyncChannelWrapper channel = null;
    if (proxyConnect != null) {
        try {
            fConnect.get(timeout, TimeUnit.MILLISECONDS);
            // Proxy CONNECT is clear text
            channel = new AsyncChannelWrapperNonSecure(socketChannel);
            writeRequest(channel, proxyConnect, timeout);
            HttpResponse httpResponse = processResponse(response, channel, timeout);
            if (httpResponse.getStatus() != 200) {
                throw new DeploymentException(sm.getString("wsWebSocketContainer.proxyConnectFail", selectedProxy, Integer.toString(httpResponse.getStatus())));
            }
        } catch (Exception e) {
            if (channel != null) {
                channel.close();
            }
            throw new DeploymentException(sm.getString("wsWebSocketContainer.httpRequestFailed"), e);
        }
    }
    if (secure) {
        // Regardless of whether a non-secure wrapper was created for a
        // proxy CONNECT, need to use TLS from this point on so wrap the
        // original AsynchronousSocketChannel
        SSLEngine sslEngine = createSSLEngine(userProperties);
        channel = new AsyncChannelWrapperSecure(socketChannel, sslEngine);
    } else if (channel == null) {
        // Only need to wrap as this point if it wasn't wrapped to process a
        // proxy CONNECT
        channel = new AsyncChannelWrapperNonSecure(socketChannel);
    }
    try {
        fConnect.get(timeout, TimeUnit.MILLISECONDS);
        Future<Void> fHandshake = channel.handshake();
        fHandshake.get(timeout, TimeUnit.MILLISECONDS);
        writeRequest(channel, request, timeout);
        HttpResponse httpResponse = processResponse(response, channel, timeout);
        // Check maximum permitted redirects
        int maxRedirects = Constants.MAX_REDIRECTIONS_DEFAULT;
        String maxRedirectsValue = (String) userProperties.get(Constants.MAX_REDIRECTIONS_PROPERTY);
        if (maxRedirectsValue != null) {
            maxRedirects = Integer.parseInt(maxRedirectsValue);
        }
        if (httpResponse.status != 101) {
            if (isRedirectStatus(httpResponse.status)) {
                List<String> locationHeader = httpResponse.getHandshakeResponse().getHeaders().get(Constants.LOCATION_HEADER_NAME);
                if (locationHeader == null || locationHeader.isEmpty() || locationHeader.get(0) == null || locationHeader.get(0).isEmpty()) {
                    throw new DeploymentException(sm.getString("wsWebSocketContainer.missingLocationHeader", Integer.toString(httpResponse.status)));
                }
                URI redirectLocation = URI.create(locationHeader.get(0)).normalize();
                if (!redirectLocation.isAbsolute()) {
                    redirectLocation = path.resolve(redirectLocation);
                }
                String redirectScheme = redirectLocation.getScheme().toLowerCase();
                if (redirectScheme.startsWith("http")) {
                    redirectLocation = new URI(redirectScheme.replace("http", "ws"), redirectLocation.getUserInfo(), redirectLocation.getHost(), redirectLocation.getPort(), redirectLocation.getPath(), redirectLocation.getQuery(), redirectLocation.getFragment());
                }
                if (!redirectSet.add(redirectLocation) || redirectSet.size() > maxRedirects) {
                    throw new DeploymentException(sm.getString("wsWebSocketContainer.redirectThreshold", redirectLocation, Integer.toString(redirectSet.size()), Integer.toString(maxRedirects)));
                }
                return connectToServerRecursive(endpoint, clientEndpointConfiguration, redirectLocation, redirectSet);
            } else if (httpResponse.status == 401) {
                if (userProperties.get(Constants.AUTHORIZATION_HEADER_NAME) != null) {
                    throw new DeploymentException(sm.getString("wsWebSocketContainer.failedAuthentication", Integer.valueOf(httpResponse.status)));
                }
                List<String> wwwAuthenticateHeaders = httpResponse.getHandshakeResponse().getHeaders().get(Constants.WWW_AUTHENTICATE_HEADER_NAME);
                if (wwwAuthenticateHeaders == null || wwwAuthenticateHeaders.isEmpty() || wwwAuthenticateHeaders.get(0) == null || wwwAuthenticateHeaders.get(0).isEmpty()) {
                    throw new DeploymentException(sm.getString("wsWebSocketContainer.missingWWWAuthenticateHeader", Integer.toString(httpResponse.status)));
                }
                String authScheme = wwwAuthenticateHeaders.get(0).split("\\s+", 2)[0];
                String requestUri = new String(request.array(), StandardCharsets.ISO_8859_1).split("\\s", 3)[1];
                Authenticator auth = AuthenticatorFactory.getAuthenticator(authScheme);
                if (auth == null) {
                    throw new DeploymentException(sm.getString("wsWebSocketContainer.unsupportedAuthScheme", Integer.valueOf(httpResponse.status), authScheme));
                }
                userProperties.put(Constants.AUTHORIZATION_HEADER_NAME, auth.getAuthorization(requestUri, wwwAuthenticateHeaders.get(0), userProperties));
                return connectToServerRecursive(endpoint, clientEndpointConfiguration, path, redirectSet);
            } else {
                throw new DeploymentException(sm.getString("wsWebSocketContainer.invalidStatus", Integer.toString(httpResponse.status)));
            }
        }
        HandshakeResponse handshakeResponse = httpResponse.getHandshakeResponse();
        clientEndpointConfiguration.getConfigurator().afterResponse(handshakeResponse);
        // Sub-protocol
        List<String> protocolHeaders = handshakeResponse.getHeaders().get(Constants.WS_PROTOCOL_HEADER_NAME);
        if (protocolHeaders == null || protocolHeaders.size() == 0) {
            subProtocol = null;
        } else if (protocolHeaders.size() == 1) {
            subProtocol = protocolHeaders.get(0);
        } else {
            throw new DeploymentException(sm.getString("wsWebSocketContainer.invalidSubProtocol"));
        }
        // Extensions
        // Should normally only be one header but handle the case of
        // multiple headers
        List<String> extHeaders = handshakeResponse.getHeaders().get(Constants.WS_EXTENSIONS_HEADER_NAME);
        if (extHeaders != null) {
            for (String extHeader : extHeaders) {
                Util.parseExtensionHeader(extensionsAgreed, extHeader);
            }
        }
        // Build the transformations
        TransformationFactory factory = TransformationFactory.getInstance();
        for (Extension extension : extensionsAgreed) {
            List<List<Extension.Parameter>> wrapper = new ArrayList<List<Extension.Parameter>>(1);
            wrapper.add(extension.getParameters());
            Transformation t = factory.create(extension.getName(), wrapper, false);
            if (t == null) {
                throw new DeploymentException(sm.getString("wsWebSocketContainer.invalidExtensionParameters"));
            }
            if (transformation == null) {
                transformation = t;
            } else {
                transformation.setNext(t);
            }
        }
        success = true;
    } catch (ExecutionException e) {
        throw new DeploymentException(sm.getString("wsWebSocketContainer.httpRequestFailed"), e);
    } catch (InterruptedException e) {
        throw new DeploymentException(sm.getString("wsWebSocketContainer.httpRequestFailed"), e);
    } catch (AuthenticationException e) {
        throw new DeploymentException(sm.getString("wsWebSocketContainer.httpRequestFailed"), e);
    } catch (SSLException e) {
        throw new DeploymentException(sm.getString("wsWebSocketContainer.httpRequestFailed"), e);
    } catch (EOFException e) {
        throw new DeploymentException(sm.getString("wsWebSocketContainer.httpRequestFailed"), e);
    } catch (TimeoutException e) {
        throw new DeploymentException(sm.getString("wsWebSocketContainer.httpRequestFailed"), e);
    } catch (URISyntaxException e) {
        throw new DeploymentException(sm.getString("wsWebSocketContainer.httpRequestFailed"), e);
    } finally {
        if (!success) {
            channel.close();
        }
    }
    // Switch to WebSocket
    WsRemoteEndpointImplClient wsRemoteEndpointClient = new WsRemoteEndpointImplClient(channel);
    WsSession wsSession = new WsSession(endpoint, wsRemoteEndpointClient, this, null, null, null, null, null, extensionsAgreed, subProtocol, Collections.<String, String>emptyMap(), secure, clientEndpointConfiguration);
    WsFrameClient wsFrameClient = new WsFrameClient(response, channel, wsSession, transformation);
    // WsFrame adds the necessary final transformations. Copy the
    // completed transformation chain to the remote end point.
    wsRemoteEndpointClient.setTransformation(wsFrameClient.getTransformation());
    endpoint.onOpen(wsSession, clientEndpointConfiguration);
    registerSession(endpoint, wsSession);
    /* It is possible that the server sent one or more messages as soon as
         * the WebSocket connection was established. Depending on the exact
         * timing of when those messages were sent they could be sat in the
         * input buffer waiting to be read and will not trigger a "data
         * available to read" event. Therefore, it is necessary to process the
         * input buffer here. Note that this happens on the current thread which
         * means that this thread will be used for any onMessage notifications.
         * This is a special case. Subsequent "data available to read" events
         * will be handled by threads from the AsyncChannelGroup's executor.
         */
    wsFrameClient.startInputProcessing();
    return wsSession;
}

Example 34 with Endpoint

use of javax.websocket.Endpoint in project wildfly by wildfly.

the class UndertowJSRWebSocketDeploymentProcessor method doDeployment.

private void doDeployment(DeploymentUnit deploymentUnit, final WebSocketDeploymentInfo container, final Set<Class<?>> annotatedEndpoints, final Set<Class<? extends ServerApplicationConfig>> serverApplicationConfigClasses, final Set<Class<? extends Endpoint>> endpoints) throws DeploymentUnitProcessingException {
    Set<Class<? extends Endpoint>> allScannedEndpointImplementations = new HashSet<>(endpoints);
    Set<Class<?>> allScannedAnnotatedEndpoints = new HashSet<>(annotatedEndpoints);
    Set<Class<?>> newAnnotatatedEndpoints = new HashSet<>();
    Set<ServerEndpointConfig> serverEndpointConfigurations = new HashSet<>();
    final Set<ServerApplicationConfig> configInstances = new HashSet<>();
    for (Class<? extends ServerApplicationConfig> clazz : serverApplicationConfigClasses) {
        try {
            configInstances.add(clazz.newInstance());
        } catch (InstantiationException | IllegalAccessException e) {
            JsrWebSocketLogger.ROOT_LOGGER.couldNotInitializeConfiguration(clazz, e);
        }
    }
    if (!configInstances.isEmpty()) {
        for (ServerApplicationConfig config : configInstances) {
            Set<Class<?>> returnedEndpoints = config.getAnnotatedEndpointClasses(allScannedAnnotatedEndpoints);
            if (returnedEndpoints != null) {
                newAnnotatatedEndpoints.addAll(returnedEndpoints);
            }
            Set<ServerEndpointConfig> endpointConfigs = config.getEndpointConfigs(allScannedEndpointImplementations);
            if (endpointConfigs != null) {
                serverEndpointConfigurations.addAll(endpointConfigs);
            }
        }
    } else {
        newAnnotatatedEndpoints.addAll(allScannedAnnotatedEndpoints);
    }
    // annotated endpoints first
    for (Class<?> endpoint : newAnnotatatedEndpoints) {
        if (endpoint != null) {
            container.addEndpoint(endpoint);
            ServerEndpoint annotation = endpoint.getAnnotation(ServerEndpoint.class);
            if (annotation != null) {
                String path = annotation.value();
                addManagementWebsocket(deploymentUnit, endpoint, path);
            }
        }
    }
    for (final ServerEndpointConfig endpoint : serverEndpointConfigurations) {
        if (endpoint != null) {
            container.addEndpoint(endpoint);
            addManagementWebsocket(deploymentUnit, endpoint.getEndpointClass(), endpoint.getPath());
        }
    }
}

Example 35 with Endpoint

use of javax.websocket.Endpoint in project tomee by apache.

the class WebSocketResourceTest method sayHi.

@Test
public void sayHi() throws Exception {
    final URI uri = url.toURI();
    final AtomicReference<String> message = new AtomicReference<>();
    final CountDownLatch latch = new CountDownLatch(1);
    Endpoint endpoint = new Endpoint() {

        @Override
        public void onClose(final Session session, final CloseReason closeReason) {
            super.onClose(session, closeReason);
            System.out.println("onClose: " + closeReason);
        }

        @Override
        public void onError(final Session session, final Throwable throwable) {
            super.onError(session, throwable);
            System.out.println("onError: " + throwable);
        }

        @Override
        public void onOpen(final Session session, final EndpointConfig endpointConfig) {
            session.addMessageHandler(new Whole<String>() {

                @Override
                public void onMessage(final String content) {
                    message.set(content);
                    latch.countDown();
                }
            });
        }
    };
    ClientEndpointConfig.Configurator configurator = new ClientEndpointConfig.Configurator() {

        public void beforeRequest(Map<String, List<String>> headers) {
            headers.put("Authorization", asList("Basic " + printBase64Binary("tomee:tomee".getBytes())));
        }
    };
    ClientEndpointConfig authorizationConfiguration = ClientEndpointConfig.Builder.create().configurator(configurator).build();
    // use same keystore as the server
    authorizationConfiguration.getUserProperties().put("org.apache.tomcat.websocket.SSL_TRUSTSTORE", "src/main/conf/keystore.jks");
    authorizationConfiguration.getUserProperties().put("org.apache.tomcat.websocket.SSL_TRUSTSTORE_PWD", "123456");
    Session session = ContainerProvider.getWebSocketContainer().connectToServer(endpoint, authorizationConfiguration, // null, null)
    new URI("wss", uri.getUserInfo(), "localhost", PORT, "/example/socket", null, null));
    latch.await(1, TimeUnit.MINUTES);
    session.close();
    assertEquals("Hello tomee", message.get());
}