Examples with UPGRADE io.aklivity.zilla.runtime.binding.http.internal.hpack.HpackContext.UPGRADE used on opensource projects

Example 1 with UPGRADE

use of io.aklivity.zilla.runtime.binding.http.internal.hpack.HpackContext.UPGRADE in project zilla by aklivity.

the class HttpServerFactory method decodeHeaderLine.

private DirectBuffer decodeHeaderLine(HttpServer server, DirectBuffer buffer, int startOfHeadersAt, int startOfLineAt, int endOfLineAt, HttpBeginExFW.Builder httpBeginEx, MutableBoolean hasAuthority, MutableReference<String> connection) {
    DirectBuffer error = null;
    if (endOfLineAt - startOfHeadersAt > maximumHeadersSize) {
        error = ERROR_431_HEADERS_TOO_LARGE;
    } else if (headerLine.reset(new AsciiSequenceView(buffer, startOfLineAt, endOfLineAt - startOfLineAt)).matches()) {
        final String name = headerLine.group("name").toLowerCase();
        final String value = headerLine.group("value");
        switch(name) {
            case "connection":
                connection.ref = value;
                if (server.decoder == decodeUpgraded) {
                    httpBeginEx.headersItem(h -> h.name(HEADER_CONNECTION).value(connection.ref));
                }
                break;
            case "content-length":
                if (server.decoder != decodeHeadersOnly) {
                    error = ERROR_400_BAD_REQUEST;
                } else {
                    final int contentLength = parseInt(value);
                    if (contentLength > 0) {
                        server.decodableContentLength = contentLength;
                        server.decoder = decodeContent;
                    }
                    httpBeginEx.headersItem(h -> h.name(HEADER_CONTENT_LENGTH).value(value));
                }
                break;
            case "host":
                if (!hasAuthority.value) {
                    String authority = (value.indexOf(':') == -1) ? String.format("%s:%s", value, SCHEME_PORTS.get(server.decodeScheme)) : value;
                    httpBeginEx.headersItem(h -> h.name(HEADER_AUTHORITY).value(authority));
                    hasAuthority.value = true;
                }
                break;
            case "http2-settings":
                // TODO: h2c
                break;
            case "transfer-encoding":
                if (server.decoder != decodeHeadersOnly) {
                    error = ERROR_400_BAD_REQUEST;
                } else if (!"chunked".equals(value)) {
                    error = ERROR_501_UNSUPPORTED_TRANSFER_ENCODING;
                } else {
                    server.decoder = decodeChunkHeader;
                    httpBeginEx.headersItem(h -> h.name(HEADER_TRANSFER_ENCODING).value(TRANSFER_ENCODING_CHUNKED));
                }
                break;
            case "upgrade":
                if (server.decoder != decodeHeadersOnly) {
                    error = ERROR_400_BAD_REQUEST;
                } else if ("h2c".equals(value)) {
                // TODO: h2c
                } else {
                    // TODO: wait for 101 first
                    server.decoder = decodeUpgraded;
                    httpBeginEx.headersItem(h -> h.name(HEADER_UPGRADE).value(value));
                    if (connection.ref != null) {
                        httpBeginEx.headersItem(h -> h.name(HEADER_CONNECTION).value(connection.ref));
                    }
                }
                break;
            default:
                httpBeginEx.headersItem(h -> h.name(name).value(value));
                break;
        }
    } else if (buffer.getByte(startOfLineAt) == SPACE_BYTE) {
        error = ERROR_400_BAD_REQUEST_OBSOLETE_LINE_FOLDING;
    } else {
        error = ERROR_400_BAD_REQUEST;
    }
    return error;
}