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

Example 16 with QueryStringDecoder

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

the class HttpUploadServerHandler method channelRead0.

@Override
public void channelRead0(ChannelHandlerContext ctx, HttpObject msg) throws Exception {
    if (msg instanceof HttpRequest) {
        HttpRequest request = this.request = (HttpRequest) msg;
        URI uri = new URI(request.uri());
        if (!uri.getPath().startsWith("/form")) {
            // Write Menu
            writeMenu(ctx);
            return;
        }
        responseContent.setLength(0);
        responseContent.append("WELCOME TO THE WILD WILD WEB SERVER\r\n");
        responseContent.append("===================================\r\n");
        responseContent.append("VERSION: " + request.protocolVersion().text() + "\r\n");
        responseContent.append("REQUEST_URI: " + request.uri() + "\r\n\r\n");
        responseContent.append("\r\n\r\n");
        // new getMethod
        for (Entry<String, String> entry : request.headers()) {
            responseContent.append("HEADER: " + entry.getKey() + '=' + entry.getValue() + "\r\n");
        }
        responseContent.append("\r\n\r\n");
        // new getMethod
        Set<Cookie> cookies;
        String value = request.headers().get(HttpHeaderNames.COOKIE);
        if (value == null) {
            cookies = Collections.emptySet();
        } else {
            cookies = ServerCookieDecoder.STRICT.decode(value);
        }
        for (Cookie cookie : cookies) {
            responseContent.append("COOKIE: " + cookie + "\r\n");
        }
        responseContent.append("\r\n\r\n");
        QueryStringDecoder decoderQuery = new QueryStringDecoder(request.uri());
        Map<String, List<String>> uriAttributes = decoderQuery.parameters();
        for (Entry<String, List<String>> attr : uriAttributes.entrySet()) {
            for (String attrVal : attr.getValue()) {
                responseContent.append("URI: " + attr.getKey() + '=' + attrVal + "\r\n");
            }
        }
        responseContent.append("\r\n\r\n");
        // if GET Method: should not try to create a HttpPostRequestDecoder
        if (request.method().equals(HttpMethod.GET)) {
            // GET Method: should not try to create a HttpPostRequestDecoder
            // So stop here
            responseContent.append("\r\n\r\nEND OF GET CONTENT\r\n");
            // Not now: LastHttpContent will be sent writeResponse(ctx.channel());
            return;
        }
        try {
            decoder = new HttpPostRequestDecoder(factory, request);
        } catch (ErrorDataDecoderException e1) {
            e1.printStackTrace();
            responseContent.append(e1.getMessage());
            writeResponse(ctx.channel());
            ctx.channel().close();
            return;
        }
        readingChunks = HttpUtil.isTransferEncodingChunked(request);
        responseContent.append("Is Chunked: " + readingChunks + "\r\n");
        responseContent.append("IsMultipart: " + decoder.isMultipart() + "\r\n");
        if (readingChunks) {
            // Chunk version
            responseContent.append("Chunks: ");
            readingChunks = true;
        }
    }
    // if not it handles the form get
    if (decoder != null) {
        if (msg instanceof HttpContent) {
            // New chunk is received
            HttpContent chunk = (HttpContent) msg;
            try {
                decoder.offer(chunk);
            } catch (ErrorDataDecoderException e1) {
                e1.printStackTrace();
                responseContent.append(e1.getMessage());
                writeResponse(ctx.channel());
                ctx.channel().close();
                return;
            }
            responseContent.append('o');
            // example of reading chunk by chunk (minimize memory usage due to
            // Factory)
            readHttpDataChunkByChunk();
            // example of reading only if at the end
            if (chunk instanceof LastHttpContent) {
                writeResponse(ctx.channel());
                readingChunks = false;
                reset();
            }
        }
    } else {
        writeResponse(ctx.channel());
    }
}

Example 17 with QueryStringDecoder

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

the class HttpSnoopServerHandler method channelRead0.

@Override
protected void channelRead0(ChannelHandlerContext ctx, Object msg) {
    if (msg instanceof HttpRequest) {
        HttpRequest request = this.request = (HttpRequest) msg;
        if (HttpUtil.is100ContinueExpected(request)) {
            send100Continue(ctx);
        }
        buf.setLength(0);
        buf.append("WELCOME TO THE WILD WILD WEB SERVER\r\n");
        buf.append("===================================\r\n");
        buf.append("VERSION: ").append(request.protocolVersion()).append("\r\n");
        buf.append("HOSTNAME: ").append(request.headers().get(HttpHeaderNames.HOST, "unknown")).append("\r\n");
        buf.append("REQUEST_URI: ").append(request.uri()).append("\r\n\r\n");
        HttpHeaders headers = request.headers();
        if (!headers.isEmpty()) {
            for (Map.Entry<String, String> h : headers) {
                CharSequence key = h.getKey();
                CharSequence value = h.getValue();
                buf.append("HEADER: ").append(key).append(" = ").append(value).append("\r\n");
            }
            buf.append("\r\n");
        }
        QueryStringDecoder queryStringDecoder = new QueryStringDecoder(request.uri());
        Map<String, List<String>> params = queryStringDecoder.parameters();
        if (!params.isEmpty()) {
            for (Entry<String, List<String>> p : params.entrySet()) {
                String key = p.getKey();
                List<String> vals = p.getValue();
                for (String val : vals) {
                    buf.append("PARAM: ").append(key).append(" = ").append(val).append("\r\n");
                }
            }
            buf.append("\r\n");
        }
        appendDecoderResult(buf, request);
    }
    if (msg instanceof HttpContent) {
        HttpContent httpContent = (HttpContent) msg;
        ByteBuf content = httpContent.content();
        if (content.isReadable()) {
            buf.append("CONTENT: ");
            buf.append(content.toString(CharsetUtil.UTF_8));
            buf.append("\r\n");
            appendDecoderResult(buf, request);
        }
        if (msg instanceof LastHttpContent) {
            buf.append("END OF CONTENT\r\n");
            LastHttpContent trailer = (LastHttpContent) msg;
            if (!trailer.trailingHeaders().isEmpty()) {
                buf.append("\r\n");
                for (CharSequence name : trailer.trailingHeaders().names()) {
                    for (CharSequence value : trailer.trailingHeaders().getAll(name)) {
                        buf.append("TRAILING HEADER: ");
                        buf.append(name).append(" = ").append(value).append("\r\n");
                    }
                }
                buf.append("\r\n");
            }
            if (!writeResponse(trailer, ctx)) {
                // If keep-alive is off, close the connection once the content is fully written.
                ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
            }
        }
    }
}

Example 18 with QueryStringDecoder

use of io.netty.handler.codec.http.QueryStringDecoder in project hadoop by apache.

the class FSImageHandler method channelRead0.

@Override
public void channelRead0(ChannelHandlerContext ctx, HttpRequest request) throws Exception {
    if (request.getMethod() != HttpMethod.GET) {
        DefaultHttpResponse resp = new DefaultHttpResponse(HTTP_1_1, METHOD_NOT_ALLOWED);
        resp.headers().set(CONNECTION, CLOSE);
        ctx.write(resp).addListener(ChannelFutureListener.CLOSE);
        return;
    }
    QueryStringDecoder decoder = new QueryStringDecoder(request.getUri());
    final String op = getOp(decoder);
    final String content;
    String path = getPath(decoder);
    switch(op) {
        case "GETFILESTATUS":
            content = image.getFileStatus(path);
            break;
        case "LISTSTATUS":
            content = image.listStatus(path);
            break;
        case "GETACLSTATUS":
            content = image.getAclStatus(path);
            break;
        case "GETXATTRS":
            List<String> names = getXattrNames(decoder);
            String encoder = getEncoder(decoder);
            content = image.getXAttrs(path, names, encoder);
            break;
        case "LISTXATTRS":
            content = image.listXAttrs(path);
            break;
        case "GETCONTENTSUMMARY":
            content = image.getContentSummary(path);
            break;
        default:
            throw new IllegalArgumentException("Invalid value for webhdfs parameter" + " \"op\"");
    }
    LOG.info("op=" + op + " target=" + path);
    DefaultFullHttpResponse resp = new DefaultFullHttpResponse(HTTP_1_1, HttpResponseStatus.OK, Unpooled.wrappedBuffer(content.getBytes(Charsets.UTF_8)));
    resp.headers().set(CONTENT_TYPE, APPLICATION_JSON_UTF8);
    resp.headers().set(CONTENT_LENGTH, resp.content().readableBytes());
    resp.headers().set(CONNECTION, CLOSE);
    ctx.write(resp).addListener(ChannelFutureListener.CLOSE);
}

Example 19 with QueryStringDecoder

use of io.netty.handler.codec.http.QueryStringDecoder in project netty-socketio by mrniko.

the class AuthorizeHandler method channelRead.

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    SchedulerKey key = new SchedulerKey(Type.PING_TIMEOUT, ctx.channel());
    disconnectScheduler.cancel(key);
    if (msg instanceof FullHttpRequest) {
        FullHttpRequest req = (FullHttpRequest) msg;
        Channel channel = ctx.channel();
        QueryStringDecoder queryDecoder = new QueryStringDecoder(req.uri());
        if (!configuration.isAllowCustomRequests() && !queryDecoder.path().startsWith(connectPath)) {
            HttpResponse res = new DefaultHttpResponse(HTTP_1_1, HttpResponseStatus.BAD_REQUEST);
            channel.writeAndFlush(res).addListener(ChannelFutureListener.CLOSE);
            req.release();
            return;
        }
        List<String> sid = queryDecoder.parameters().get("sid");
        if (queryDecoder.path().equals(connectPath) && sid == null) {
            String origin = req.headers().get(HttpHeaderNames.ORIGIN);
            if (!authorize(ctx, channel, origin, queryDecoder.parameters(), req)) {
                req.release();
                return;
            }
        // forward message to polling or websocket handler to bind channel
        }
    }
    ctx.fireChannelRead(msg);
}

Example 20 with QueryStringDecoder

use of io.netty.handler.codec.http.QueryStringDecoder in project netty-socketio by mrniko.

the class WrongUrlHandler method channelRead.

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (msg instanceof FullHttpRequest) {
        FullHttpRequest req = (FullHttpRequest) msg;
        Channel channel = ctx.channel();
        QueryStringDecoder queryDecoder = new QueryStringDecoder(req.uri());
        HttpResponse res = new DefaultHttpResponse(HTTP_1_1, HttpResponseStatus.BAD_REQUEST);
        ChannelFuture f = channel.writeAndFlush(res);
        f.addListener(ChannelFutureListener.CLOSE);
        req.release();
        log.warn("Blocked wrong socket.io-context request! url: {}, params: {}, ip: {}", queryDecoder.path(), queryDecoder.parameters(), channel.remoteAddress());
        return;
    }
    super.channelRead(ctx, msg);
}