Example usage for org.springframework.http.server ServerHttpRequest getMethod

List of usage examples for org.springframework.http.server ServerHttpRequest getMethod

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Introduction

In this page you can find the example usage for org.springframework.http.server ServerHttpRequest getMethod.

Prototype

@Nullable
default HttpMethod getMethod()

Source Link

Document

Return the HTTP method of the request.

Usage

From source file:org.springframework.web.cors.DefaultCorsProcessor.java

@Nullable
private HttpMethod getMethodToUse(ServerHttpRequest request, boolean isPreFlight) {
    return (isPreFlight ? request.getHeaders().getAccessControlRequestMethod() : request.getMethod());
}

From source file:org.springframework.web.socket.server.DefaultHandshakeHandler.java

@Override
public final boolean doHandshake(ServerHttpRequest request, ServerHttpResponse response,
        WebSocketHandler webSocketHandler) throws IOException, HandshakeFailureException {

    logger.debug("Starting handshake for " + request.getURI());

    if (!HttpMethod.GET.equals(request.getMethod())) {
        response.setStatusCode(HttpStatus.METHOD_NOT_ALLOWED);
        response.getHeaders().setAllow(Collections.singleton(HttpMethod.GET));
        logger.debug("Only HTTP GET is allowed, current method is " + request.getMethod());
        return false;
    }/*from   w w w  .j  a  v  a2s. com*/
    if (!"WebSocket".equalsIgnoreCase(request.getHeaders().getUpgrade())) {
        handleInvalidUpgradeHeader(request, response);
        return false;
    }
    if (!request.getHeaders().getConnection().contains("Upgrade")
            && !request.getHeaders().getConnection().contains("upgrade")) {
        handleInvalidConnectHeader(request, response);
        return false;
    }
    if (!isWebSocketVersionSupported(request)) {
        handleWebSocketVersionNotSupported(request, response);
        return false;
    }
    if (!isValidOrigin(request)) {
        response.setStatusCode(HttpStatus.FORBIDDEN);
        return false;
    }
    String wsKey = request.getHeaders().getSecWebSocketKey();
    if (wsKey == null) {
        logger.debug("Missing \"Sec-WebSocket-Key\" header");
        response.setStatusCode(HttpStatus.BAD_REQUEST);
        return false;
    }

    String selectedProtocol = selectProtocol(request.getHeaders().getSecWebSocketProtocol());
    // TODO: select extensions

    logger.debug("Upgrading HTTP request");

    response.setStatusCode(HttpStatus.SWITCHING_PROTOCOLS);
    response.getHeaders().setUpgrade("WebSocket");
    response.getHeaders().setConnection("Upgrade");
    response.getHeaders().setSecWebSocketProtocol(selectedProtocol);
    response.getHeaders().setSecWebSocketAccept(getWebSocketKeyHash(wsKey));
    // TODO: response.getHeaders().setSecWebSocketExtensions(extensions);

    response.flush();

    if (logger.isTraceEnabled()) {
        logger.trace("Upgrading with " + webSocketHandler);
    }

    this.requestUpgradeStrategy.upgrade(request, response, selectedProtocol, webSocketHandler);

    return true;
}

From source file:org.springframework.web.socket.server.support.AbstractHandshakeHandler.java

@Override
public final boolean doHandshake(ServerHttpRequest request, ServerHttpResponse response,
        WebSocketHandler wsHandler, Map<String, Object> attributes) throws HandshakeFailureException {

    WebSocketHttpHeaders headers = new WebSocketHttpHeaders(request.getHeaders());
    if (logger.isTraceEnabled()) {
        logger.trace("Processing request " + request.getURI() + " with headers=" + headers);
    }//from w  ww .  ja v  a2  s  . c om
    try {
        if (HttpMethod.GET != request.getMethod()) {
            response.setStatusCode(HttpStatus.METHOD_NOT_ALLOWED);
            response.getHeaders().setAllow(Collections.singleton(HttpMethod.GET));
            if (logger.isErrorEnabled()) {
                logger.error("Handshake failed due to unexpected HTTP method: " + request.getMethod());
            }
            return false;
        }
        if (!"WebSocket".equalsIgnoreCase(headers.getUpgrade())) {
            handleInvalidUpgradeHeader(request, response);
            return false;
        }
        if (!headers.getConnection().contains("Upgrade") && !headers.getConnection().contains("upgrade")) {
            handleInvalidConnectHeader(request, response);
            return false;
        }
        if (!isWebSocketVersionSupported(headers)) {
            handleWebSocketVersionNotSupported(request, response);
            return false;
        }
        if (!isValidOrigin(request)) {
            response.setStatusCode(HttpStatus.FORBIDDEN);
            return false;
        }
        String wsKey = headers.getSecWebSocketKey();
        if (wsKey == null) {
            if (logger.isErrorEnabled()) {
                logger.error("Missing \"Sec-WebSocket-Key\" header");
            }
            response.setStatusCode(HttpStatus.BAD_REQUEST);
            return false;
        }
    } catch (IOException ex) {
        throw new HandshakeFailureException(
                "Response update failed during upgrade to WebSocket: " + request.getURI(), ex);
    }

    String subProtocol = selectProtocol(headers.getSecWebSocketProtocol(), wsHandler);
    List<WebSocketExtension> requested = headers.getSecWebSocketExtensions();
    List<WebSocketExtension> supported = this.requestUpgradeStrategy.getSupportedExtensions(request);
    List<WebSocketExtension> extensions = filterRequestedExtensions(request, requested, supported);
    Principal user = determineUser(request, wsHandler, attributes);

    if (logger.isTraceEnabled()) {
        logger.trace("Upgrading to WebSocket, subProtocol=" + subProtocol + ", extensions=" + extensions);
    }
    this.requestUpgradeStrategy.upgrade(request, response, subProtocol, extensions, user, wsHandler,
            attributes);
    return true;
}

From source file:org.springframework.web.socket.server.support.DefaultHandshakeHandler.java

@Override
public final boolean doHandshake(ServerHttpRequest request, ServerHttpResponse response,
        WebSocketHandler wsHandler, Map<String, Object> attributes) throws HandshakeFailureException {

    WebSocketHttpHeaders headers = new WebSocketHttpHeaders(request.getHeaders());
    if (logger.isTraceEnabled()) {
        logger.trace("Processing request " + request.getURI() + " with headers=" + headers);
    }/*from  www  .  j  a  va  2s  . c o m*/
    try {
        if (!HttpMethod.GET.equals(request.getMethod())) {
            response.setStatusCode(HttpStatus.METHOD_NOT_ALLOWED);
            response.getHeaders().setAllow(Collections.singleton(HttpMethod.GET));
            if (logger.isErrorEnabled()) {
                logger.error("Handshake failed due to unexpected HTTP method: " + request.getMethod());
            }
            return false;
        }
        if (!"WebSocket".equalsIgnoreCase(headers.getUpgrade())) {
            handleInvalidUpgradeHeader(request, response);
            return false;
        }
        if (!headers.getConnection().contains("Upgrade") && !headers.getConnection().contains("upgrade")) {
            handleInvalidConnectHeader(request, response);
            return false;
        }
        if (!isWebSocketVersionSupported(headers)) {
            handleWebSocketVersionNotSupported(request, response);
            return false;
        }
        if (!isValidOrigin(request)) {
            response.setStatusCode(HttpStatus.FORBIDDEN);
            return false;
        }
        String wsKey = headers.getSecWebSocketKey();
        if (wsKey == null) {
            if (logger.isErrorEnabled()) {
                logger.error("Missing \"Sec-WebSocket-Key\" header");
            }
            response.setStatusCode(HttpStatus.BAD_REQUEST);
            return false;
        }
    } catch (IOException ex) {
        throw new HandshakeFailureException(
                "Response update failed during upgrade to WebSocket, uri=" + request.getURI(), ex);
    }

    String subProtocol = selectProtocol(headers.getSecWebSocketProtocol(), wsHandler);
    List<WebSocketExtension> requested = headers.getSecWebSocketExtensions();
    List<WebSocketExtension> supported = this.requestUpgradeStrategy.getSupportedExtensions(request);
    List<WebSocketExtension> extensions = filterRequestedExtensions(request, requested, supported);
    Principal user = determineUser(request, wsHandler, attributes);

    if (logger.isTraceEnabled()) {
        logger.trace("Upgrading to WebSocket, subProtocol=" + subProtocol + ", extensions=" + extensions);
    }
    this.requestUpgradeStrategy.upgrade(request, response, subProtocol, extensions, user, wsHandler,
            attributes);
    return true;
}

From source file:org.springframework.web.socket.sockjs.AbstractSockJsService.java

/**
 * TODO/*  w w w  .  j a v  a  2  s .c om*/
 *
 * @param request
 * @param response
 * @param sockJsPath
 *
 * @throws Exception
 */
@Override
public final void handleRequest(ServerHttpRequest request, ServerHttpResponse response,
        WebSocketHandler handler) throws IOException, TransportErrorException {

    String sockJsPath = getSockJsPath(request);
    if (sockJsPath == null) {
        logger.warn("Could not determine SockJS path for URL \"" + request.getURI().getPath()
                + ". Consider setting validSockJsPrefixes.");
        response.setStatusCode(HttpStatus.NOT_FOUND);
        return;
    }

    logger.debug(request.getMethod() + " with SockJS path [" + sockJsPath + "]");

    try {
        request.getHeaders();
    } catch (IllegalArgumentException ex) {
        // Ignore invalid Content-Type (TODO)
    }

    try {
        if (sockJsPath.equals("") || sockJsPath.equals("/")) {
            response.getHeaders().setContentType(new MediaType("text", "plain", Charset.forName("UTF-8")));
            response.getBody().write("Welcome to SockJS!\n".getBytes("UTF-8"));
            return;
        } else if (sockJsPath.equals("/info")) {
            this.infoHandler.handle(request, response);
            return;
        } else if (sockJsPath.matches("/iframe[0-9-.a-z_]*.html")) {
            this.iframeHandler.handle(request, response);
            return;
        } else if (sockJsPath.equals("/websocket")) {
            handleRawWebSocketRequest(request, response, handler);
            return;
        }

        String[] pathSegments = StringUtils.tokenizeToStringArray(sockJsPath.substring(1), "/");
        if (pathSegments.length != 3) {
            logger.warn("Expected \"/{server}/{session}/{transport}\" but got \"" + sockJsPath + "\"");
            response.setStatusCode(HttpStatus.NOT_FOUND);
            return;
        }

        String serverId = pathSegments[0];
        String sessionId = pathSegments[1];
        String transport = pathSegments[2];

        if (!validateRequest(serverId, sessionId, transport)) {
            response.setStatusCode(HttpStatus.NOT_FOUND);
            return;
        }

        handleTransportRequest(request, response, sessionId, TransportType.fromValue(transport), handler);
    } finally {
        response.flush();
    }
}

From source file:org.springframework.web.socket.sockjs.support.AbstractSockJsService.java

/**
 * This method determines the SockJS path and handles SockJS static URLs.
 * Session URLs and raw WebSocket requests are delegated to abstract methods.
 *//*from w w  w . j  av a 2 s.c o m*/
@Override
public final void handleRequest(ServerHttpRequest request, ServerHttpResponse response,
        @Nullable String sockJsPath, WebSocketHandler wsHandler) throws SockJsException {

    if (sockJsPath == null) {
        if (logger.isWarnEnabled()) {
            logger.warn("Expected SockJS path. Failing request: " + request.getURI());
        }
        response.setStatusCode(HttpStatus.NOT_FOUND);
        return;
    }

    try {
        request.getHeaders();
    } catch (InvalidMediaTypeException ex) {
        // As per SockJS protocol content-type can be ignored (it's always json)
    }

    String requestInfo = (logger.isDebugEnabled() ? request.getMethod() + " " + request.getURI() : null);

    try {
        if (sockJsPath.equals("") || sockJsPath.equals("/")) {
            if (requestInfo != null) {
                logger.debug("Processing transport request: " + requestInfo);
            }
            response.getHeaders().setContentType(new MediaType("text", "plain", StandardCharsets.UTF_8));
            response.getBody().write("Welcome to SockJS!\n".getBytes(StandardCharsets.UTF_8));
        }

        else if (sockJsPath.equals("/info")) {
            if (requestInfo != null) {
                logger.debug("Processing transport request: " + requestInfo);
            }
            this.infoHandler.handle(request, response);
        }

        else if (sockJsPath.matches("/iframe[0-9-.a-z_]*.html")) {
            if (!this.allowedOrigins.isEmpty() && !this.allowedOrigins.contains("*")) {
                if (requestInfo != null) {
                    logger.debug("Iframe support is disabled when an origin check is required. "
                            + "Ignoring transport request: " + requestInfo);
                }
                response.setStatusCode(HttpStatus.NOT_FOUND);
                return;
            }
            if (this.allowedOrigins.isEmpty()) {
                response.getHeaders().add(XFRAME_OPTIONS_HEADER, "SAMEORIGIN");
            }
            if (requestInfo != null) {
                logger.debug("Processing transport request: " + requestInfo);
            }
            this.iframeHandler.handle(request, response);
        }

        else if (sockJsPath.equals("/websocket")) {
            if (isWebSocketEnabled()) {
                if (requestInfo != null) {
                    logger.debug("Processing transport request: " + requestInfo);
                }
                handleRawWebSocketRequest(request, response, wsHandler);
            } else if (requestInfo != null) {
                logger.debug("WebSocket disabled. Ignoring transport request: " + requestInfo);
            }
        }

        else {
            String[] pathSegments = StringUtils.tokenizeToStringArray(sockJsPath.substring(1), "/");
            if (pathSegments.length != 3) {
                if (logger.isWarnEnabled()) {
                    logger.warn("Invalid SockJS path '" + sockJsPath + "' - required to have 3 path segments");
                }
                if (requestInfo != null) {
                    logger.debug("Ignoring transport request: " + requestInfo);
                }
                response.setStatusCode(HttpStatus.NOT_FOUND);
                return;
            }

            String serverId = pathSegments[0];
            String sessionId = pathSegments[1];
            String transport = pathSegments[2];

            if (!isWebSocketEnabled() && transport.equals("websocket")) {
                if (requestInfo != null) {
                    logger.debug("WebSocket disabled. Ignoring transport request: " + requestInfo);
                }
                response.setStatusCode(HttpStatus.NOT_FOUND);
                return;
            } else if (!validateRequest(serverId, sessionId, transport) || !validatePath(request)) {
                if (requestInfo != null) {
                    logger.debug("Ignoring transport request: " + requestInfo);
                }
                response.setStatusCode(HttpStatus.NOT_FOUND);
                return;
            }

            if (requestInfo != null) {
                logger.debug("Processing transport request: " + requestInfo);
            }
            handleTransportRequest(request, response, wsHandler, sessionId, transport);
        }
        response.close();
    } catch (IOException ex) {
        throw new SockJsException("Failed to write to the response", null, ex);
    }
}

From source file:org.springframework.web.socket.sockjs.transport.TransportHandlingSockJsService.java

@Override
protected void handleTransportRequest(ServerHttpRequest request, ServerHttpResponse response,
        WebSocketHandler handler, String sessionId, String transport) throws SockJsException {

    TransportType transportType = TransportType.fromValue(transport);
    if (transportType == null) {
        logger.error("Unknown transport type for " + request.getURI());
        response.setStatusCode(HttpStatus.NOT_FOUND);
        return;//  www . j av  a  2 s  . c  o m
    }

    TransportHandler transportHandler = this.handlers.get(transportType);
    if (transportHandler == null) {
        logger.error("No TransportHandler for " + request.getURI());
        response.setStatusCode(HttpStatus.NOT_FOUND);
        return;
    }

    HttpMethod supportedMethod = transportType.getHttpMethod();
    if (!supportedMethod.equals(request.getMethod())) {
        if (HttpMethod.OPTIONS.equals(request.getMethod()) && transportType.supportsCors()) {
            response.setStatusCode(HttpStatus.NO_CONTENT);
            addCorsHeaders(request, response, HttpMethod.OPTIONS, supportedMethod);
            addCacheHeaders(response);
        } else if (transportType.supportsCors()) {
            sendMethodNotAllowed(response, supportedMethod, HttpMethod.OPTIONS);
        } else {
            sendMethodNotAllowed(response, supportedMethod);
        }
        return;
    }

    HandshakeInterceptorChain chain = new HandshakeInterceptorChain(this.interceptors, handler);
    SockJsException failure = null;

    try {
        SockJsSession session = this.sessions.get(sessionId);
        if (session == null) {
            if (transportHandler instanceof SockJsSessionFactory) {
                Map<String, Object> attributes = new HashMap<String, Object>();
                if (!chain.applyBeforeHandshake(request, response, attributes)) {
                    return;
                }
                SockJsSessionFactory sessionFactory = (SockJsSessionFactory) transportHandler;
                session = createSockJsSession(sessionId, sessionFactory, handler, attributes);
            } else {
                response.setStatusCode(HttpStatus.NOT_FOUND);
                if (logger.isDebugEnabled()) {
                    logger.debug(
                            "Session not found, sessionId=" + sessionId + ". The session may have been closed "
                                    + "(e.g. missed heart-beat) while a message was coming in.");
                }
                return;
            }
        }

        if (transportType.sendsNoCacheInstruction()) {
            addNoCacheHeaders(response);
        }

        if (transportType.supportsCors()) {
            addCorsHeaders(request, response);
        }

        transportHandler.handleRequest(request, response, handler, session);
        chain.applyAfterHandshake(request, response, null);
    } catch (SockJsException ex) {
        failure = ex;
    } catch (Throwable ex) {
        failure = new SockJsException("Uncaught failure for request " + request.getURI(), sessionId, ex);
    } finally {
        if (failure != null) {
            chain.applyAfterHandshake(request, response, failure);
            throw failure;
        }
    }
}