Examples with HttpStatus io.micronaut.http.HttpStatus used on opensource projects

Example 6 with HttpStatus

use of io.micronaut.http.HttpStatus in project micronaut-core by micronaut-projects.

the class RouteExecutor method createResponseForBody.

private Flux<MutableHttpResponse<?>> createResponseForBody(HttpRequest<?> request, Object body, RouteInfo<?> routeInfo) {
    return Flux.<MutableHttpResponse<?>>defer(() -> {
        Mono<MutableHttpResponse<?>> outgoingResponse;
        if (body == null) {
            if (routeInfo.isVoid()) {
                MutableHttpResponse<Object> data = forStatus(routeInfo);
                if (HttpMethod.permitsRequestBody(request.getMethod())) {
                    data.header(HttpHeaders.CONTENT_LENGTH, "0");
                }
                outgoingResponse = Mono.just(data);
            } else {
                outgoingResponse = Mono.just(newNotFoundError(request));
            }
        } else {
            HttpStatus defaultHttpStatus = routeInfo.isErrorRoute() ? HttpStatus.INTERNAL_SERVER_ERROR : HttpStatus.OK;
            boolean isReactive = routeInfo.isAsyncOrReactive() || Publishers.isConvertibleToPublisher(body);
            if (isReactive) {
                Class<?> bodyClass = body.getClass();
                boolean isSingle = isSingle(routeInfo, bodyClass);
                boolean isCompletable = !isSingle && routeInfo.isVoid() && Publishers.isCompletable(bodyClass);
                if (isSingle || isCompletable) {
                    // full response case
                    Publisher<Object> publisher = Publishers.convertPublisher(body, Publisher.class);
                    Supplier<MutableHttpResponse<?>> emptyResponse = () -> {
                        MutableHttpResponse<?> singleResponse;
                        if (isCompletable || routeInfo.isVoid()) {
                            singleResponse = forStatus(routeInfo, HttpStatus.OK).header(HttpHeaders.CONTENT_LENGTH, "0");
                        } else {
                            singleResponse = newNotFoundError(request);
                        }
                        return singleResponse;
                    };
                    return Flux.from(publisher).flatMap(o -> {
                        MutableHttpResponse<?> singleResponse;
                        if (o instanceof Optional) {
                            Optional optional = (Optional) o;
                            if (optional.isPresent()) {
                                o = ((Optional<?>) o).get();
                            } else {
                                return Flux.just(emptyResponse.get());
                            }
                        }
                        if (o instanceof HttpResponse) {
                            singleResponse = toMutableResponse((HttpResponse<?>) o);
                            final Argument<?> bodyArgument = // Mono
                            routeInfo.getReturnType().getFirstTypeVariable().orElse(// HttpResponse
                            Argument.OBJECT_ARGUMENT).getFirstTypeVariable().orElse(// Mono
                            Argument.OBJECT_ARGUMENT);
                            if (bodyArgument.isAsyncOrReactive()) {
                                return processPublisherBody(request, singleResponse, routeInfo);
                            }
                        } else if (o instanceof HttpStatus) {
                            singleResponse = forStatus(routeInfo, (HttpStatus) o);
                        } else {
                            singleResponse = forStatus(routeInfo, defaultHttpStatus).body(o);
                        }
                        return Flux.just(singleResponse);
                    }).switchIfEmpty(Mono.fromSupplier(emptyResponse));
                } else {
                    // streaming case
                    Argument<?> typeArgument = routeInfo.getReturnType().getFirstTypeVariable().orElse(Argument.OBJECT_ARGUMENT);
                    if (HttpResponse.class.isAssignableFrom(typeArgument.getType())) {
                        // a response stream
                        Publisher<HttpResponse<?>> bodyPublisher = Publishers.convertPublisher(body, Publisher.class);
                        Flux<MutableHttpResponse<?>> response = Flux.from(bodyPublisher).map(this::toMutableResponse);
                        Argument<?> bodyArgument = typeArgument.getFirstTypeVariable().orElse(Argument.OBJECT_ARGUMENT);
                        if (bodyArgument.isAsyncOrReactive()) {
                            return response.flatMap((resp) -> processPublisherBody(request, resp, routeInfo));
                        }
                        return response;
                    } else {
                        MutableHttpResponse<?> response = forStatus(routeInfo, defaultHttpStatus).body(body);
                        return processPublisherBody(request, response, routeInfo);
                    }
                }
            }
            // now we have the raw result, transform it as necessary
            if (body instanceof HttpStatus) {
                outgoingResponse = Mono.just(HttpResponse.status((HttpStatus) body));
            } else {
                if (routeInfo.isSuspended()) {
                    boolean isKotlinFunctionReturnTypeUnit = routeInfo instanceof MethodBasedRouteMatch && isKotlinFunctionReturnTypeUnit(((MethodBasedRouteMatch) routeInfo).getExecutableMethod());
                    final Supplier<CompletableFuture<?>> supplier = ContinuationArgumentBinder.extractContinuationCompletableFutureSupplier(request);
                    if (isKotlinCoroutineSuspended(body)) {
                        return Mono.fromCompletionStage(supplier).<MutableHttpResponse<?>>flatMap(obj -> {
                            MutableHttpResponse<?> response;
                            if (obj instanceof HttpResponse) {
                                response = toMutableResponse((HttpResponse<?>) obj);
                                final Argument<?> bodyArgument = routeInfo.getReturnType().getFirstTypeVariable().orElse(Argument.OBJECT_ARGUMENT);
                                if (bodyArgument.isAsyncOrReactive()) {
                                    return processPublisherBody(request, response, routeInfo);
                                }
                            } else {
                                response = forStatus(routeInfo, defaultHttpStatus);
                                if (!isKotlinFunctionReturnTypeUnit) {
                                    response = response.body(obj);
                                }
                            }
                            return Mono.just(response);
                        }).switchIfEmpty(createNotFoundErrorResponsePublisher(request));
                    } else {
                        Object suspendedBody;
                        if (isKotlinFunctionReturnTypeUnit) {
                            suspendedBody = Mono.empty();
                        } else {
                            suspendedBody = body;
                        }
                        outgoingResponse = toMutableResponse(request, routeInfo, defaultHttpStatus, suspendedBody);
                    }
                } else {
                    outgoingResponse = toMutableResponse(request, routeInfo, defaultHttpStatus, body);
                }
            }
        }
        // for head request we never emit the body
        if (request != null && request.getMethod().equals(HttpMethod.HEAD)) {
            outgoingResponse = outgoingResponse.map(r -> {
                final Object o = r.getBody().orElse(null);
                if (o instanceof ReferenceCounted) {
                    ((ReferenceCounted) o).release();
                }
                r.body(null);
                return r;
            });
        }
        return outgoingResponse;
    }).doOnNext((response) -> {
        applyConfiguredHeaders(response.getHeaders());
        if (routeInfo instanceof RouteMatch) {
            response.setAttribute(HttpAttributes.ROUTE_MATCH, routeInfo);
        }
        response.setAttribute(HttpAttributes.ROUTE_INFO, routeInfo);
    });
}

Example 7 with HttpStatus

use of io.micronaut.http.HttpStatus in project micronaut-core by micronaut-projects.

the class RouteExecutor method toMutableResponse.

private MutableHttpResponse<?> toMutableResponse(HttpResponse<?> message) {
    MutableHttpResponse<?> mutableHttpResponse;
    if (message instanceof MutableHttpResponse) {
        mutableHttpResponse = (MutableHttpResponse<?>) message;
    } else {
        HttpStatus httpStatus = message.status();
        mutableHttpResponse = HttpResponse.status(httpStatus, httpStatus.getReason());
        mutableHttpResponse.body(message.body());
        message.getHeaders().forEach((name, value) -> {
            for (String val : value) {
                mutableHttpResponse.header(name, val);
            }
        });
        mutableHttpResponse.getAttributes().putAll(message.getAttributes());
    }
    return mutableHttpResponse;
}

Example 8 with HttpStatus

use of io.micronaut.http.HttpStatus in project micronaut-core by micronaut-projects.

the class RouteExecutor method handleStatusException.

private Publisher<MutableHttpResponse<?>> handleStatusException(HttpRequest<?> request, MutableHttpResponse<?> response) {
    HttpStatus status = response.status();
    RouteInfo<?> routeInfo = response.getAttribute(HttpAttributes.ROUTE_INFO, RouteInfo.class).orElse(null);
    if (status.getCode() >= 400 && routeInfo != null && !routeInfo.isErrorRoute()) {
        RouteMatch<Object> statusRoute = findStatusRoute(request, status, routeInfo);
        if (statusRoute != null) {
            return executeRoute(request, false, Flux.just(statusRoute));
        }
    }
    return Flux.just(response);
}

Example 9 with HttpStatus

use of io.micronaut.http.HttpStatus in project micronaut-core by micronaut-projects.

the class RoutingInBoundHandler method writeFinalNettyResponse.

private void writeFinalNettyResponse(MutableHttpResponse<?> message, HttpRequest<?> request, ChannelHandlerContext context) {
    HttpStatus httpStatus = message.status();
    final io.micronaut.http.HttpVersion httpVersion = request.getHttpVersion();
    final boolean isHttp2 = httpVersion == io.micronaut.http.HttpVersion.HTTP_2_0;
    boolean decodeError = request instanceof NettyHttpRequest && ((NettyHttpRequest<?>) request).getNativeRequest().decoderResult().isFailure();
    final Object body = message.body();
    if (body instanceof NettyCustomizableResponseTypeHandlerInvoker) {
        // default Connection header if not set explicitly
        if (!isHttp2) {
            if (!message.getHeaders().contains(HttpHeaders.CONNECTION)) {
                if (!decodeError && (httpStatus.getCode() < 500 || serverConfiguration.isKeepAliveOnServerError())) {
                    message.getHeaders().set(HttpHeaders.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
                } else {
                    message.getHeaders().set(HttpHeaders.CONNECTION, HttpHeaderValues.CLOSE);
                }
            }
        }
        NettyCustomizableResponseTypeHandlerInvoker handler = (NettyCustomizableResponseTypeHandlerInvoker) body;
        message.body(null);
        handler.invoke(request, message, context);
    } else {
        io.netty.handler.codec.http.HttpResponse nettyResponse = NettyHttpResponseBuilder.toHttpResponse(message);
        io.netty.handler.codec.http.HttpHeaders nettyHeaders = nettyResponse.headers();
        // default Connection header if not set explicitly
        if (!isHttp2) {
            if (!nettyHeaders.contains(HttpHeaderNames.CONNECTION)) {
                boolean expectKeepAlive = nettyResponse.protocolVersion().isKeepAliveDefault() || request.getHeaders().isKeepAlive();
                if (!decodeError && (expectKeepAlive || httpStatus.getCode() < 500 || serverConfiguration.isKeepAliveOnServerError())) {
                    nettyHeaders.set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
                } else {
                    nettyHeaders.set(HttpHeaderNames.CONNECTION, HttpHeaderValues.CLOSE);
                }
            }
        }
        // default to Transfer-Encoding: chunked if Content-Length not set or not already set
        if (!nettyHeaders.contains(HttpHeaderNames.CONTENT_LENGTH) && !nettyHeaders.contains(HttpHeaderNames.TRANSFER_ENCODING)) {
            nettyHeaders.set(HttpHeaderNames.TRANSFER_ENCODING, HttpHeaderValues.CHUNKED);
        }
        // close handled by HttpServerKeepAliveHandler
        final NettyHttpRequest<?> nettyHttpRequest = (NettyHttpRequest<?>) request;
        if (isHttp2) {
            addHttp2StreamHeader(request, nettyResponse);
        }
        io.netty.handler.codec.http.HttpRequest nativeRequest = nettyHttpRequest.getNativeRequest();
        GenericFutureListener<Future<? super Void>> requestCompletor = future -> {
            try {
                if (!future.isSuccess()) {
                    final Throwable throwable = future.cause();
                    if (!(throwable instanceof ClosedChannelException)) {
                        if (throwable instanceof Http2Exception.StreamException) {
                            Http2Exception.StreamException se = (Http2Exception.StreamException) throwable;
                            if (se.error() == Http2Error.STREAM_CLOSED) {
                                // ignore
                                return;
                            }
                        }
                        if (LOG.isErrorEnabled()) {
                            LOG.error("Error writing final response: " + throwable.getMessage(), throwable);
                        }
                    }
                }
            } finally {
                cleanupRequest(context, nettyHttpRequest);
                context.read();
            }
        };
        if (nativeRequest instanceof StreamedHttpRequest && !((StreamedHttpRequest) nativeRequest).isConsumed()) {
            StreamedHttpRequest streamedHttpRequest = (StreamedHttpRequest) nativeRequest;
            // We have to clear the buffer of FlowControlHandler before writing the response
            // If this is a streamed request and there is still content to consume then subscribe
            // and write the buffer is empty.
            // noinspection ReactiveStreamsSubscriberImplementation
            streamedHttpRequest.subscribe(new Subscriber<HttpContent>() {

                private Subscription streamSub;

                @Override
                public void onSubscribe(Subscription s) {
                    streamSub = s;
                    s.request(1);
                }

                @Override
                public void onNext(HttpContent httpContent) {
                    httpContent.release();
                    streamSub.request(1);
                }

                @Override
                public void onError(Throwable t) {
                    syncWriteAndFlushNettyResponse(context, request, nettyResponse, requestCompletor);
                }

                @Override
                public void onComplete() {
                    syncWriteAndFlushNettyResponse(context, request, nettyResponse, requestCompletor);
                }
            });
        } else {
            syncWriteAndFlushNettyResponse(context, request, nettyResponse, requestCompletor);
        }
    }
}

Example 10 with HttpStatus

use of io.micronaut.http.HttpStatus in project micronaut-core by micronaut-projects.

the class RoutingInBoundHandler method channelRead0.

@Override
protected void channelRead0(ChannelHandlerContext ctx, io.micronaut.http.HttpRequest<?> request) {
    ctx.channel().config().setAutoRead(false);
    io.micronaut.http.HttpMethod httpMethod = request.getMethod();
    String requestPath = request.getUri().getPath();
    ServerRequestContext.set(request);
    if (LOG.isDebugEnabled()) {
        LOG.debug("Request {} {}", httpMethod, request.getUri());
    }
    NettyHttpRequest nettyHttpRequest = (NettyHttpRequest) request;
    io.netty.handler.codec.http.HttpRequest nativeRequest = nettyHttpRequest.getNativeRequest();
    // handle decoding failure
    DecoderResult decoderResult = nativeRequest.decoderResult();
    if (decoderResult.isFailure()) {
        Throwable cause = decoderResult.cause();
        HttpStatus status = cause instanceof TooLongFrameException ? HttpStatus.REQUEST_ENTITY_TOO_LARGE : HttpStatus.BAD_REQUEST;
        handleStatusError(ctx, nettyHttpRequest, HttpResponse.status(status), status.getReason());
        return;
    }
    MediaType contentType = request.getContentType().orElse(null);
    final String requestMethodName = request.getMethodName();
    if (!multipartEnabled && contentType != null && contentType.equals(MediaType.MULTIPART_FORM_DATA_TYPE)) {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Multipart uploads have been disabled via configuration. Rejected request for URI {}, method {}, and content type {}", request.getUri(), requestMethodName, contentType);
        }
        handleStatusError(ctx, nettyHttpRequest, HttpResponse.status(HttpStatus.UNSUPPORTED_MEDIA_TYPE), "Content Type [" + contentType + "] not allowed");
        return;
    }
    UriRouteMatch<Object, Object> routeMatch = null;
    List<UriRouteMatch<Object, Object>> uriRoutes = router.findAllClosest(request);
    if (uriRoutes.size() > 1) {
        throw new DuplicateRouteException(requestPath, uriRoutes);
    } else if (uriRoutes.size() == 1) {
        UriRouteMatch<Object, Object> establishedRoute = uriRoutes.get(0);
        request.setAttribute(HttpAttributes.ROUTE, establishedRoute.getRoute());
        request.setAttribute(HttpAttributes.ROUTE_MATCH, establishedRoute);
        request.setAttribute(HttpAttributes.ROUTE_INFO, establishedRoute);
        request.setAttribute(HttpAttributes.URI_TEMPLATE, establishedRoute.getRoute().getUriMatchTemplate().toString());
        routeMatch = establishedRoute;
    }
    RouteMatch<?> route;
    if (routeMatch == null) {
        // Check if there is a file for the route before returning route not found
        Optional<? extends FileCustomizableResponseType> optionalFile = matchFile(requestPath);
        if (optionalFile.isPresent()) {
            filterAndEncodeResponse(ctx, nettyHttpRequest, Flux.just(HttpResponse.ok(optionalFile.get())));
            return;
        }
        if (LOG.isDebugEnabled()) {
            LOG.debug("No matching route: {} {}", httpMethod, request.getUri());
        }
        // if there is no route present try to locate a route that matches a different HTTP method
        final List<UriRouteMatch<?, ?>> anyMatchingRoutes = router.findAny(request.getUri().toString(), request).collect(Collectors.toList());
        final Collection<MediaType> acceptedTypes = request.accept();
        final boolean hasAcceptHeader = CollectionUtils.isNotEmpty(acceptedTypes);
        Set<MediaType> acceptableContentTypes = contentType != null ? new HashSet<>(5) : null;
        Set<String> allowedMethods = new HashSet<>(5);
        Set<MediaType> produceableContentTypes = hasAcceptHeader ? new HashSet<>(5) : null;
        for (UriRouteMatch<?, ?> anyRoute : anyMatchingRoutes) {
            final String routeMethod = anyRoute.getRoute().getHttpMethodName();
            if (!requestMethodName.equals(routeMethod)) {
                allowedMethods.add(routeMethod);
            }
            if (contentType != null && !anyRoute.doesConsume(contentType)) {
                acceptableContentTypes.addAll(anyRoute.getRoute().getConsumes());
            }
            if (hasAcceptHeader && !anyRoute.doesProduce(acceptedTypes)) {
                produceableContentTypes.addAll(anyRoute.getRoute().getProduces());
            }
        }
        if (CollectionUtils.isNotEmpty(acceptableContentTypes)) {
            if (LOG.isDebugEnabled()) {
                LOG.debug("Content type not allowed for URI {}, method {}, and content type {}", request.getUri(), requestMethodName, contentType);
            }
            handleStatusError(ctx, nettyHttpRequest, HttpResponse.status(HttpStatus.UNSUPPORTED_MEDIA_TYPE), "Content Type [" + contentType + "] not allowed. Allowed types: " + acceptableContentTypes);
            return;
        }
        if (CollectionUtils.isNotEmpty(produceableContentTypes)) {
            if (LOG.isDebugEnabled()) {
                LOG.debug("Content type not allowed for URI {}, method {}, and content type {}", request.getUri(), requestMethodName, contentType);
            }
            handleStatusError(ctx, nettyHttpRequest, HttpResponse.status(HttpStatus.NOT_ACCEPTABLE), "Specified Accept Types " + acceptedTypes + " not supported. Supported types: " + produceableContentTypes);
            return;
        }
        if (!allowedMethods.isEmpty()) {
            if (LOG.isDebugEnabled()) {
                LOG.debug("Method not allowed for URI {} and method {}", request.getUri(), requestMethodName);
            }
            handleStatusError(ctx, nettyHttpRequest, HttpResponse.notAllowedGeneric(allowedMethods), "Method [" + requestMethodName + "] not allowed for URI [" + request.getUri() + "]. Allowed methods: " + allowedMethods);
            return;
        } else {
            handleStatusError(ctx, nettyHttpRequest, HttpResponse.status(HttpStatus.NOT_FOUND), "Page Not Found");
        }
        return;
    } else {
        route = routeMatch;
    }
    if (LOG.isTraceEnabled()) {
        if (route instanceof MethodBasedRouteMatch) {
            LOG.trace("Matched route {} - {} to controller {}", requestMethodName, requestPath, route.getDeclaringType());
        } else {
            LOG.trace("Matched route {} - {}", requestMethodName, requestPath);
        }
    }
    // all ok proceed to try and execute the route
    if (route.isWebSocketRoute()) {
        handleStatusError(ctx, nettyHttpRequest, HttpResponse.status(HttpStatus.BAD_REQUEST), "Not a WebSocket request");
    } else {
        handleRouteMatch(route, nettyHttpRequest, ctx);
    }
}