Package io.netty.handler.codec.http

Examples of io.netty.handler.codec.http.HttpResponse

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    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
       
        if (msg instanceof HttpResponse) {
            // just make sure we can combine the request and response together
            HttpResponse response = (HttpResponse)msg;
            NettyHttpClientRequest request = sendedQueue.poll();
            request.setResponse(response);
            // calling the callback here
            request.getCxfResponseCallback().responseReceived(response);
        } else {
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                httpContent.content().retain();
            }  
            handler.channelRead(ctx, request);
        } else {
            // this resource is not found, so send empty response back
            HttpResponse response = new DefaultHttpResponse(HTTP_1_1, NOT_FOUND);
            response.headers().set(Exchange.CONTENT_TYPE, "text/plain");
            response.headers().set(Exchange.CONTENT_LENGTH, 0);
            ctx.writeAndFlush(response);
        }
    }
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            handler.exceptionCaught(ctx, cause);
        } else {
            // we cannot throw the exception here
            LOG.warn("HttpServerChannelHandler is not found as attachment to handle exception, send 404 back to the client.", cause);
            // Now we just send 404 back to the client
            HttpResponse response = new DefaultHttpResponse(HTTP_1_1, NOT_FOUND);
            response.headers().set(Exchange.CONTENT_TYPE, "text/plain");
            response.headers().set(Exchange.CONTENT_LENGTH, 0);
            ctx.writeAndFlush(response);
        }
    }
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        NettyHttpMessage response = out.getOut(NettyHttpMessage.class);
        assertNotNull(response);
        assertEquals(200, response.getHttpResponse().getStatus().code());

        // we can also get the response as body
        HttpResponse body = out.getOut().getBody(HttpResponse.class);
        assertNotNull(body);
        assertEquals(200, body.getStatus().code());

        assertMockEndpointsSatisfied();
    }
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        LOG.debug("Message received: {}", request);

        if (consumer.isSuspended()) {
            // are we suspended?
            LOG.debug("Consumer suspended, cannot service request {}", request);
            HttpResponse response = new DefaultHttpResponse(HTTP_1_1, SERVICE_UNAVAILABLE);
            response.headers().set(Exchange.CONTENT_TYPE, "text/plain");
            response.headers().set(Exchange.CONTENT_LENGTH, 0);
            ctx.writeAndFlush(response);
            return;
        }

        // if its an OPTIONS request then return which methods is allowed
        if ("OPTIONS".equals(request.getMethod().name())) {
            String s;
            if (consumer.getEndpoint().getHttpMethodRestrict() != null) {
                s = "OPTIONS," + consumer.getEndpoint().getHttpMethodRestrict();
            } else {
                // allow them all
                s = "GET,HEAD,POST,PUT,DELETE,TRACE,OPTIONS,CONNECT,PATCH";
            }
            HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
            response.headers().set("Allow", s);
            response.headers().set(Exchange.CONTENT_TYPE, "text/plain");
            response.headers().set(Exchange.CONTENT_LENGTH, 0);
            ctx.writeAndFlush(response);
            return;
        }
        if (consumer.getEndpoint().getHttpMethodRestrict() != null
                && !consumer.getEndpoint().getHttpMethodRestrict().contains(request.getMethod().name())) {
            HttpResponse response = new DefaultHttpResponse(HTTP_1_1, METHOD_NOT_ALLOWED);
            response.headers().set(Exchange.CONTENT_TYPE, "text/plain");
            response.headers().set(Exchange.CONTENT_LENGTH, 0);
            ctx.writeAndFlush(response);
            return;
        }
        if ("TRACE".equals(request.getMethod().name()) && !consumer.getEndpoint().isTraceEnabled()) {
            HttpResponse response = new DefaultHttpResponse(HTTP_1_1, METHOD_NOT_ALLOWED);
            response.headers().set(Exchange.CONTENT_TYPE, "text/plain");
            response.headers().set(Exchange.CONTENT_LENGTH, 0);
            ctx.writeAndFlush(response);
            return;
        }
        // must include HOST header as required by HTTP 1.1
        if (!request.headers().names().contains(HttpHeaders.Names.HOST)) {
            HttpResponse response = new DefaultHttpResponse(HTTP_1_1, BAD_REQUEST);
            //response.setChunked(false);
            response.headers().set(Exchange.CONTENT_TYPE, "text/plain");
            response.headers().set(Exchange.CONTENT_LENGTH, 0);
            ctx.writeAndFlush(response);
            return;
        }

        // is basic auth configured
        NettyHttpSecurityConfiguration security = consumer.getEndpoint().getSecurityConfiguration();
        if (security != null && security.isAuthenticate() && "Basic".equalsIgnoreCase(security.getConstraint())) {
            String url = request.getUri();

            // drop parameters from url
            if (url.contains("?")) {
                url = ObjectHelper.before(url, "?");
            }

            // we need the relative path without the hostname and port
            URI uri = new URI(request.getUri());
            String target = uri.getPath();

            // strip the starting endpoint path so the target is relative to the endpoint uri
            String path = consumer.getConfiguration().getPath();
            if (path != null && target.startsWith(path)) {
                target = target.substring(path.length());
            }

            // is it a restricted resource?
            String roles;
            if (security.getSecurityConstraint() != null) {
                // if restricted returns null, then the resource is not restricted and we should not authenticate the user
                roles = security.getSecurityConstraint().restricted(target);
            } else {
                // assume any roles is valid if no security constraint has been configured
                roles = "*";
            }
            if (roles != null) {
                // basic auth subject
                HttpPrincipal principal = extractBasicAuthSubject(request);

                // authenticate principal and check if the user is in role
                Subject subject = null;
                boolean inRole = true;
                if (principal != null) {
                    subject = authenticate(security.getSecurityAuthenticator(), security.getLoginDeniedLoggingLevel(), principal);
                    if (subject != null) {
                        String userRoles = security.getSecurityAuthenticator().getUserRoles(subject);
                        inRole = matchesRoles(roles, userRoles);
                    }
                }

                if (principal == null || subject == null || !inRole) {
                    if (principal == null) {
                        LOG.debug("Http Basic Auth required for resource: {}", url);
                    } else if (subject == null) {
                        LOG.debug("Http Basic Auth not authorized for username: {}", principal.getUsername());
                    } else {
                        LOG.debug("Http Basic Auth not in role for username: {}", principal.getUsername());
                    }
                    // restricted resource, so send back 401 to require valid username/password
                    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, UNAUTHORIZED);
                    response.headers().set("WWW-Authenticate", "Basic realm=\"" + security.getRealm() + "\"");
                    response.headers().set(Exchange.CONTENT_TYPE, "text/plain");
                    response.headers().set(Exchange.CONTENT_LENGTH, 0);
                    ctx.writeAndFlush(response);
                    // close the channel
                    ctx.channel().close();
                    return;
                } else {
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     */
    public static HttpResponse myTransformer(FullHttpRequest request) {
        String in = request.content().toString(Charset.forName("UTF-8"));
        String reply = "Bye " + in;

        HttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK,
                                                            NettyConverter.toByteBuffer(reply.getBytes()));
       
        response.headers().set(HttpHeaders.Names.CONTENT_LENGTH, reply.length());

        return response;
    }
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                    buffer = NettyConverter.toByteBuffer(str.getBytes());
                }
            }
        }
       
        HttpResponse response = null;
       
        if (buffer != null) {
            response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.valueOf(code), buffer);
            // We just need to reset the readerIndex this time
            if (buffer.readerIndex() == buffer.writerIndex()) {
                buffer.setIndex(0, buffer.writerIndex());
            }
            // TODO How to enable the chunk transport
            int len = buffer.readableBytes();
            // set content-length
            response.headers().set(HttpHeaders.Names.CONTENT_LENGTH, len);
            LOG.trace("Content-Length: {}", len);
        } else {
            response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.valueOf(code));
        }
       
        TypeConverter tc = message.getExchange().getContext().getTypeConverter();

        // append headers
        // must use entrySet to ensure case of keys is preserved
        for (Map.Entry<String, Object> entry : message.getHeaders().entrySet()) {
            String key = entry.getKey();
            Object value = entry.getValue();
            // use an iterator as there can be multiple values. (must not use a delimiter)
            final Iterator<?> it = ObjectHelper.createIterator(value, null);
            while (it.hasNext()) {
                String headerValue = tc.convertTo(String.class, it.next());
                if (headerValue != null && headerFilterStrategy != null
                        && !headerFilterStrategy.applyFilterToCamelHeaders(key, headerValue, message.getExchange())) {
                    LOG.trace("HTTP-Header: {}={}", key, headerValue);
                    response.headers().add(key, headerValue);
                }
            }
        }

        // set the content type in the response.
        String contentType = MessageHelper.getContentType(message);
        if (contentType != null) {
            // set content-type
            response.headers().set(HttpHeaders.Names.CONTENT_TYPE, contentType);
            LOG.trace("Content-Type: {}", contentType);
        }

        // configure connection to accordingly to keep alive configuration
        // favor using the header from the message
        String connection = message.getHeader(HttpHeaders.Names.CONNECTION, String.class);
        if (connection == null) {
            // fallback and use the keep alive from the configuration
            if (configuration.isKeepAlive()) {
                connection = HttpHeaders.Values.KEEP_ALIVE;
            } else {
                connection = HttpHeaders.Values.CLOSE;
            }
        }
        response.headers().set(HttpHeaders.Names.CONNECTION, connection);
        LOG.trace("Connection: {}", connection);

        return response;
    }
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                from("netty4-http:http://0.0.0.0:{{port}}/foo")
                    .to("mock:input")
                    .process(new Processor() {
                        @Override
                        public void process(Exchange exchange) throws Exception {
                            HttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK,
                                                                                NettyConverter.toByteBuffer("Bye World".getBytes()));
                            response.headers().set(HttpHeaders.Names.CONTENT_LENGTH, 9);

                            exchange.getOut().setBody(response);
                        }
                    });
            }
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    public void write(final ChannelHandlerContext ctx, final Object msg, final ChannelPromise promise)
            throws Exception {
        if (msg instanceof Frame) {
            final Frame frame = (Frame) msg;
            if (headerSent.compareAndSet(false, true)) {
                final HttpResponse response = createResponse(Transports.CONTENT_TYPE_JAVASCRIPT);
                ctx.writeAndFlush(response);

                final ByteBuf content = wrapWithLN(new PreludeFrame().content());
                final DefaultHttpContent preludeChunk = new DefaultHttpContent(content);
                ctx.writeAndFlush(preludeChunk);
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        return bytesSent.get() >= config.maxStreamingBytesSize();
    }

    protected HttpResponse createResponse(String contentType) {
        final HttpVersion version = request.getProtocolVersion();
        HttpResponse response = new DefaultHttpResponse(version, HttpResponseStatus.OK);
        if (request.getProtocolVersion().equals(HttpVersion.HTTP_1_1)) {
            response.headers().set(TRANSFER_ENCODING, HttpHeaders.Values.CHUNKED);
        }
        response.headers().set(CONTENT_TYPE, contentType);
        Transports.setDefaultHeaders(response, config);
        return response;
    }
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