Examples with IncompatibleDataDecoderException io.netty.handler.codec.http.multipart.HttpPostRequestDecoder.IncompatibleDataDecoderException used on opensource projects

Example 1 with IncompatibleDataDecoderException

use of io.netty.handler.codec.http.multipart.HttpPostRequestDecoder.IncompatibleDataDecoderException in project cloudstack by apache.

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;
        responseContent.setLength(0);
        if (request.getMethod().equals(HttpMethod.POST)) {
            URI uri = new URI(request.getUri());
            String signature = null;
            String expires = null;
            String metadata = null;
            String hostname = null;
            long contentLength = 0;
            for (Entry<String, String> entry : request.headers()) {
                switch(entry.getKey()) {
                    case HEADER_SIGNATURE:
                        signature = entry.getValue();
                        break;
                    case HEADER_METADATA:
                        metadata = entry.getValue();
                        break;
                    case HEADER_EXPIRES:
                        expires = entry.getValue();
                        break;
                    case HEADER_HOST:
                        hostname = entry.getValue();
                        break;
                    case HttpHeaders.Names.CONTENT_LENGTH:
                        contentLength = Long.parseLong(entry.getValue());
                        break;
                }
            }
            logger.info("HEADER: signature=" + signature);
            logger.info("HEADER: metadata=" + metadata);
            logger.info("HEADER: expires=" + expires);
            logger.info("HEADER: hostname=" + hostname);
            logger.info("HEADER: Content-Length=" + contentLength);
            QueryStringDecoder decoderQuery = new QueryStringDecoder(uri);
            Map<String, List<String>> uriAttributes = decoderQuery.parameters();
            uuid = uriAttributes.get("uuid").get(0);
            logger.info("URI: uuid=" + uuid);
            UploadEntity uploadEntity = null;
            try {
                // Validate the request here
                storageResource.validatePostUploadRequest(signature, metadata, expires, hostname, contentLength, uuid);
                //create an upload entity. This will fail if entity already exists.
                uploadEntity = storageResource.createUploadEntity(uuid, metadata, contentLength);
            } catch (InvalidParameterValueException ex) {
                logger.error("post request validation failed", ex);
                responseContent.append(ex.getMessage());
                writeResponse(ctx.channel(), HttpResponseStatus.BAD_REQUEST);
                requestProcessed = true;
                return;
            }
            if (uploadEntity == null) {
                logger.error("Unable to create upload entity. An exception occurred.");
                responseContent.append("Internal Server Error");
                writeResponse(ctx.channel(), HttpResponseStatus.INTERNAL_SERVER_ERROR);
                requestProcessed = true;
                return;
            }
            //set the base directory to download the file
            DiskFileUpload.baseDirectory = uploadEntity.getInstallPathPrefix();
            logger.info("base directory: " + DiskFileUpload.baseDirectory);
            try {
                //initialize the decoder
                decoder = new HttpPostRequestDecoder(factory, request);
            } catch (ErrorDataDecoderException | IncompatibleDataDecoderException e) {
                logger.error("exception while initialising the decoder", e);
                responseContent.append(e.getMessage());
                writeResponse(ctx.channel(), HttpResponseStatus.INTERNAL_SERVER_ERROR);
                requestProcessed = true;
                return;
            }
        } else {
            logger.warn("received a get request");
            responseContent.append("only post requests are allowed");
            writeResponse(ctx.channel(), HttpResponseStatus.BAD_REQUEST);
            requestProcessed = true;
            return;
        }
    }
    // check if the decoder was constructed before
    if (decoder != null) {
        if (msg instanceof HttpContent) {
            // New chunk is received
            HttpContent chunk = (HttpContent) msg;
            try {
                decoder.offer(chunk);
            } catch (ErrorDataDecoderException e) {
                logger.error("data decoding exception", e);
                responseContent.append(e.getMessage());
                writeResponse(ctx.channel(), HttpResponseStatus.INTERNAL_SERVER_ERROR);
                requestProcessed = true;
                return;
            }
            if (chunk instanceof LastHttpContent) {
                writeResponse(ctx.channel(), readFileUploadData());
                reset();
            }
        }
    }
}