Package io.netty.handler.codec.http

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

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    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
        HttpRequest request = (HttpRequest) msg;
        if (HttpHeaders.is100ContinueExpected(request)) {
            ctx.write(new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.CONTINUE));
        }

        // find the nettyHttpContextHandler by lookup the request url
        NettyHttpContextHandler nettyHttpContextHandler = pipelineFactory.getNettyHttpHandler(request.getUri());
        if (nettyHttpContextHandler != null) {
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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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        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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  }

  private void handleHttpRequest(ChannelHandlerContext ctx, HttpRequest req) throws Exception {
    // Allow only GET methods.
    if (req.getMethod() != GET) {
      sendHttpResponse(ctx, req, new DefaultHttpResponse(HTTP_1_1, FORBIDDEN));
      return;
    }

    // Handshake
    WebSocketServerHandshakerFactory wsFactory = new WebSocketServerHandshakerFactory(
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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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        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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        }
    }

    private static void handlePreflight(final ChannelHandlerContext ctx, final CorsMetadata md,
                                        final HttpRequest request) {
        final HttpResponse response = new DefaultHttpResponse(request.getProtocolVersion(), NO_CONTENT);
        final HttpHeaders headers = response.headers();
        headers.set(CONTENT_TYPE, Transports.CONTENT_TYPE_PLAIN);
        headers.set(CACHE_CONTROL, "max-age=31536000, public");
        headers.set(ACCESS_CONTROL_ALLOW_ORIGIN, md.origin());
        headers.set(ACCESS_CONTROL_ALLOW_CREDENTIALS, "true");
        headers.set(ACCESS_CONTROL_MAX_AGE, "31536000");
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        return bytesSent.get() >= config.maxStreamingBytesSize();
    }

    protected HttpResponse createResponse(final String contentType) {
        final HttpVersion version = request.getProtocolVersion();
        final 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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        this(nettyChannel, HttpVersion.HTTP_1_1, eventsSubject);
    }

    protected HttpServerResponse(Channel nettyChannel, HttpVersion httpVersion,
                                 MetricEventsSubject<? extends ServerMetricsEvent<?>> eventsSubject) {
        this(nettyChannel, new DefaultHttpResponse(httpVersion, HttpResponseStatus.OK), eventsSubject);
    }
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