Package org.jboss.netty.handler.codec.frame

Examples of org.jboss.netty.handler.codec.frame.TooLongFrameException

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            if (headerSize >= maxHeaderSize) {
                // TODO: Respond with Bad Request and discard the traffic
                //    or close the connection.
                //       No need to notify the upstream handlers - just log.
                //       If decoding a response, just throw an exception.
                throw new TooLongFrameException(
                        "HTTP header is larger than " +
                        maxHeaderSize + " bytes.");
            }

            sb.append(nextByte);
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                if (lineLength >= maxLineLength) {
                    // TODO: Respond with Bad Request and discard the traffic
                    //    or close the connection.
                    //       No need to notify the upstream handlers - just log.
                    //       If decoding a response, just throw an exception.
                    throw new TooLongFrameException(
                            "An HTTP line is larger than " + maxLineLength +
                            " bytes.");
                }
                lineLength ++;
                sb.append((char) nextByte);
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        do {
            b = buffer.readByte();
            frameSize <<= 7;
            frameSize |= b & 0x7f;
            if (frameSize > maxFrameSize) {
                throw new TooLongFrameException();
            }
            lengthFieldSize ++;
            if (lengthFieldSize > 8) {
                // Perhaps a malicious peer?
                throw new TooLongFrameException();
            }
        } while ((b & 0x80) == 0x80);

        if (type == 0xFF && frameSize == 0) {
            receivedClosingHandshake = true;
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        int delimPos = buffer.indexOf(ridx, ridx + rbytes, (byte) 0xFF);
        if (delimPos == -1) {
            // Frame delimiter (0xFF) not found
            if (rbytes > maxFrameSize) {
                // Frame length exceeded the maximum
                throw new TooLongFrameException();
            } else {
                // Wait until more data is received
                return null;
            }
        }

        int frameSize = delimPos - ridx;
        if (frameSize > maxFrameSize) {
            throw new TooLongFrameException();
        }

        ChannelBuffer binaryData = buffer.readBytes(frameSize);
        buffer.skipBytes(1);
        return new DefaultWebSocketFrame(type, binaryData);
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        do {
            b = buffer.readByte();
            frameSize <<= 7;
            frameSize |= b & 0x7f;
            if (frameSize > maxFrameSize) {
                throw new TooLongFrameException();
            }
            lengthFieldSize++;
            if (lengthFieldSize > 8) {
                // Perhaps a malicious peer?
                throw new TooLongFrameException();
            }
        } while ((b & 0x80) == 0x80);

        if (type == (byte) 0xFF && frameSize == 0) {
            receivedClosingHandshake = true;
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        int delimPos = buffer.indexOf(ridx, ridx + rbytes, (byte) 0xFF);
        if (delimPos == -1) {
            // Frame delimiter (0xFF) not found
            if (rbytes > maxFrameSize) {
                // Frame length exceeded the maximum
                throw new TooLongFrameException();
            } else {
                // Wait until more data is received
                return null;
            }
        }

        int frameSize = delimPos - ridx;
        if (frameSize > maxFrameSize) {
            throw new TooLongFrameException();
        }

        ChannelBuffer binaryData = buffer.readBytes(frameSize);
        buffer.skipBytes(1);
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        throw new CorruptedFrameException(reason);
    }

    private static int toFrameLength(long l) throws TooLongFrameException {
        if (l > Integer.MAX_VALUE) {
            throw new TooLongFrameException("Length:" + l);
        } else {
            return (int) l;
        }
    }
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            ChannelBuffer header;
            ChannelBuffer body;

            if (opcode == OPCODE_PING && length > 125) {
                throw new TooLongFrameException("invalid payload for PING (payload length must be <= 125, was "
                        + length);
            }

            int maskLength = maskPayload ? 4 : 0;
            if (length <= 125) {
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                spdyHeaderBlock.setInvalid();
                return;
            }
            headerSize += nameLength;
            if (headerSize > maxHeaderSize) {
                throw new TooLongFrameException(
                        "Header block exceeds " + maxHeaderSize);
            }

            // Try to read name
            if (!ensureBytes(nameLength)) {
                decompressed.resetReaderIndex();
                decompressed.discardReadBytes();
                return;
            }
            byte[] nameBytes = new byte[nameLength];
            decompressed.readBytes(nameBytes);
            String name = new String(nameBytes, "UTF-8");

            // Check for identically named headers
            if (spdyHeaderBlock.containsHeader(name)) {
                spdyHeaderBlock.setInvalid();
                return;
            }

            // Try to read length of value
            if (!ensureBytes(lengthFieldSize)) {
                decompressed.resetReaderIndex();
                decompressed.discardReadBytes();
                return;
            }
            int valueLength = readLengthField();

            // Recipients of illegal value fields must issue a stream error
            if (valueLength < 0) {
                spdyHeaderBlock.setInvalid();
                return;
            }

            // SPDY/3 allows zero-length (empty) header values
            if (valueLength == 0) {
                if (version < 3) {
                    spdyHeaderBlock.setInvalid();
                    return;
                } else {
                    spdyHeaderBlock.addHeader(name, "");
                    numHeaders --;
                    this.headerSize = headerSize;
                    continue;
                }
            }

            headerSize += valueLength;
            if (headerSize > maxHeaderSize) {
                throw new TooLongFrameException(
                        "Header block exceeds " + maxHeaderSize);
            }

            // Try to read value
            if (!ensureBytes(valueLength)) {
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            }

            ChannelBuffer content = httpMessage.getContent();
            if (content.readableBytes() > maxContentLength - spdyDataFrame.getData().readableBytes()) {
                messageMap.remove(streamID);
                throw new TooLongFrameException(
                        "HTTP content length exceeded " + maxContentLength + " bytes.");
            }

            if (content == ChannelBuffers.EMPTY_BUFFER) {
                content = ChannelBuffers.dynamicBuffer(channel.getConfig().getBufferFactory());
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