Examples with HttpResponse io.netty.handler.codec.http.HttpResponse used on opensource projects

Example 21 with HttpResponse

use of io.netty.handler.codec.http.HttpResponse in project netty by netty.

the class HttpStaticFileServerHandler method channelRead0.

@Override
public void channelRead0(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
    if (!request.decoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);
        return;
    }
    if (request.method() != GET) {
        sendError(ctx, METHOD_NOT_ALLOWED);
        return;
    }
    final String uri = request.uri();
    final String path = sanitizeUri(uri);
    if (path == null) {
        sendError(ctx, FORBIDDEN);
        return;
    }
    File file = new File(path);
    if (file.isHidden() || !file.exists()) {
        sendError(ctx, NOT_FOUND);
        return;
    }
    if (file.isDirectory()) {
        if (uri.endsWith("/")) {
            sendListing(ctx, file, uri);
        } else {
            sendRedirect(ctx, uri + '/');
        }
        return;
    }
    if (!file.isFile()) {
        sendError(ctx, FORBIDDEN);
        return;
    }
    // Cache Validation
    String ifModifiedSince = request.headers().get(HttpHeaderNames.IF_MODIFIED_SINCE);
    if (ifModifiedSince != null && !ifModifiedSince.isEmpty()) {
        SimpleDateFormat dateFormatter = new SimpleDateFormat(HTTP_DATE_FORMAT, Locale.US);
        Date ifModifiedSinceDate = dateFormatter.parse(ifModifiedSince);
        // Only compare up to the second because the datetime format we send to the client
        // does not have milliseconds
        long ifModifiedSinceDateSeconds = ifModifiedSinceDate.getTime() / 1000;
        long fileLastModifiedSeconds = file.lastModified() / 1000;
        if (ifModifiedSinceDateSeconds == fileLastModifiedSeconds) {
            sendNotModified(ctx);
            return;
        }
    }
    RandomAccessFile raf;
    try {
        raf = new RandomAccessFile(file, "r");
    } catch (FileNotFoundException ignore) {
        sendError(ctx, NOT_FOUND);
        return;
    }
    long fileLength = raf.length();
    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
    HttpUtil.setContentLength(response, fileLength);
    setContentTypeHeader(response, file);
    setDateAndCacheHeaders(response, file);
    if (HttpUtil.isKeepAlive(request)) {
        response.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
    }
    // Write the initial line and the header.
    ctx.write(response);
    // Write the content.
    ChannelFuture sendFileFuture;
    ChannelFuture lastContentFuture;
    if (ctx.pipeline().get(SslHandler.class) == null) {
        sendFileFuture = ctx.write(new DefaultFileRegion(raf.getChannel(), 0, fileLength), ctx.newProgressivePromise());
        // Write the end marker.
        lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
    } else {
        sendFileFuture = ctx.writeAndFlush(new HttpChunkedInput(new ChunkedFile(raf, 0, fileLength, 8192)), ctx.newProgressivePromise());
        // HttpChunkedInput will write the end marker (LastHttpContent) for us.
        lastContentFuture = sendFileFuture;
    }
    sendFileFuture.addListener(new ChannelProgressiveFutureListener() {

        @Override
        public void operationProgressed(ChannelProgressiveFuture future, long progress, long total) {
            if (total < 0) {
                // total unknown
                System.err.println(future.channel() + " Transfer progress: " + progress);
            } else {
                System.err.println(future.channel() + " Transfer progress: " + progress + " / " + total);
            }
        }

        @Override
        public void operationComplete(ChannelProgressiveFuture future) {
            System.err.println(future.channel() + " Transfer complete.");
        }
    });
    // Decide whether to close the connection or not.
    if (!HttpUtil.isKeepAlive(request)) {
        // Close the connection when the whole content is written out.
        lastContentFuture.addListener(ChannelFutureListener.CLOSE);
    }
}

Example 22 with HttpResponse

use of io.netty.handler.codec.http.HttpResponse in project netty by netty.

the class HttpSnoopClientHandler method channelRead0.

@Override
public void channelRead0(ChannelHandlerContext ctx, HttpObject msg) {
    if (msg instanceof HttpResponse) {
        HttpResponse response = (HttpResponse) msg;
        System.err.println("STATUS: " + response.status());
        System.err.println("VERSION: " + response.protocolVersion());
        System.err.println();
        if (!response.headers().isEmpty()) {
            for (CharSequence name : response.headers().names()) {
                for (CharSequence value : response.headers().getAll(name)) {
                    System.err.println("HEADER: " + name + " = " + value);
                }
            }
            System.err.println();
        }
        if (HttpUtil.isTransferEncodingChunked(response)) {
            System.err.println("CHUNKED CONTENT {");
        } else {
            System.err.println("CONTENT {");
        }
    }
    if (msg instanceof HttpContent) {
        HttpContent content = (HttpContent) msg;
        System.err.print(content.content().toString(CharsetUtil.UTF_8));
        System.err.flush();
        if (content instanceof LastHttpContent) {
            System.err.println("} END OF CONTENT");
            ctx.close();
        }
    }
}

Example 23 with HttpResponse

use of io.netty.handler.codec.http.HttpResponse in project netty by netty.

the class Http2ServerDowngraderTest method testUpgradeHeaders.

@Test
public void testUpgradeHeaders() throws Exception {
    EmbeddedChannel ch = new EmbeddedChannel(new Http2ServerDowngrader());
    HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
    assertTrue(ch.writeOutbound(response));
    Http2HeadersFrame headersFrame = ch.readOutbound();
    assertThat(headersFrame.headers().status().toString(), is("200"));
    assertFalse(headersFrame.isEndStream());
    assertThat(ch.readOutbound(), is(nullValue()));
    assertFalse(ch.finish());
}

Example 24 with HttpResponse

use of io.netty.handler.codec.http.HttpResponse in project netty by netty.

the class WebSocketServerHandshakerFactory method sendUnsupportedVersionResponse.

/**
     * Return that we need cannot not support the web socket version
     */
public static ChannelFuture sendUnsupportedVersionResponse(Channel channel, ChannelPromise promise) {
    HttpResponse res = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.UPGRADE_REQUIRED);
    res.headers().set(HttpHeaderNames.SEC_WEBSOCKET_VERSION, WebSocketVersion.V13.toHttpHeaderValue());
    HttpUtil.setContentLength(res, 0);
    return channel.writeAndFlush(res, promise);
}

Example 25 with HttpResponse

use of io.netty.handler.codec.http.HttpResponse in project netty by netty.

the class WebSocketServerExtensionHandler method write.

@Override
public void write(final ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
    if (msg instanceof HttpResponse && WebSocketExtensionUtil.isWebsocketUpgrade(((HttpResponse) msg).headers()) && validExtensions != null) {
        HttpResponse response = (HttpResponse) msg;
        String headerValue = response.headers().getAsString(HttpHeaderNames.SEC_WEBSOCKET_EXTENSIONS);
        for (WebSocketServerExtension extension : validExtensions) {
            WebSocketExtensionData extensionData = extension.newReponseData();
            headerValue = WebSocketExtensionUtil.appendExtension(headerValue, extensionData.name(), extensionData.parameters());
        }
        promise.addListener(new ChannelFutureListener() {

            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                if (future.isSuccess()) {
                    for (WebSocketServerExtension extension : validExtensions) {
                        WebSocketExtensionDecoder decoder = extension.newExtensionDecoder();
                        WebSocketExtensionEncoder encoder = extension.newExtensionEncoder();
                        ctx.pipeline().addAfter(ctx.name(), decoder.getClass().getName(), decoder);
                        ctx.pipeline().addAfter(ctx.name(), encoder.getClass().getName(), encoder);
                    }
                }
                ctx.pipeline().remove(ctx.name());
            }
        });
        if (headerValue != null) {
            response.headers().set(HttpHeaderNames.SEC_WEBSOCKET_EXTENSIONS, headerValue);
        }
    }
    super.write(ctx, msg, promise);
}