public HttpResponseBody(
Stream rawResponseStream,
TcpSettings tcpSettings,
HttpSettings httpSettings,
IHttpResponse response)
: this(rawResponseStream, tcpSettings, httpSettings, response, _staticLogger)
{
}
/// <summary>
/// Validate the provided TcpSettings
/// </summary>
public static void RequireValidTcpSettings(TcpSettings tcpSettings)
{
if (tcpSettings.ReadWriteBufferSize <= 0 ||
tcpSettings.ReadWriteBufferSize >= (8 * 1024 * 1024))
{
throw new ArgumentOutOfRangeException(nameof(tcpSettings.ReadWriteBufferSize));
}
}
static HttpChunkedRequestBody CreateChunkedRequestBody(
RollbackableStream requestStream,
HttpRequestHeader requestHeader,
TcpSettings tcpSettings)
{
return(new HttpChunkedRequestBody(
requestStream, requestHeader, tcpSettings));
}
static void ApplyTcpSettings(ITcpClient client, TcpSettings tcpSettings)
{
client.ReceiveTimeout = (int)tcpSettings.IdleTimeout.TotalMilliseconds;
client.SendTimeout = (int)tcpSettings.IdleTimeout.TotalMilliseconds;
client.GetStream().ReadTimeout = (int)tcpSettings.IdleTimeout.TotalMilliseconds;
client.GetStream().WriteTimeout = (int)tcpSettings.IdleTimeout.TotalMilliseconds;
client.SendBufferSize = tcpSettings.ReadWriteBufferSize;
client.ReceiveBufferSize = tcpSettings.ReadWriteBufferSize;
}
static void RegisterSettings(
ContainerBuilder containerBuilder,
TcpSettings tcpSettings,
HttpSettings httpSettings)
{
containerBuilder
.Register(x => tcpSettings).AsSelf().SingleInstance();
containerBuilder
.Register(x => httpSettings).AsSelf().SingleInstance();
}
public HttpChunkedResponseEncoder(
Stream target,
TcpSettings tcpSettings,
HttpSettings httpSettings)
{
Validation.RequireValidTcpSettings(tcpSettings);
Validation.RequireValidHttpSettings(httpSettings);
_buffer = new MemoryStream(httpSettings.MaxBodyChunkSize);
_maxChunkSize = httpSettings.MaxBodyChunkSize;
_target = target ?? throw new ArgumentNullException(nameof(target));
_tcpSettings = tcpSettings;
}
public RollbackableStream(Stream tcpStream, TcpSettings tcpSettings)
{
Validation.RequireValidTcpSettings(tcpSettings);
_original = tcpStream
?? throw new ArgumentNullException(nameof(tcpStream));
// Allocate read-ahead buffer:
// It should be large enough, at least equal to the TCP read buffer,
// otherwise rollback calls will fail.
_readAheadBuffer = new BinaryStack(tcpSettings.ReadWriteBufferSize);
}
public HttpRequest(
Stream requestStream,
TcpSettings tcpSettings,
IHttpRequestBodyFactory requestBodyFactory)
{
Validation.RequireValidTcpSettings(tcpSettings);
_requestStream = new RollbackableStream(
requestStream ?? throw new ArgumentNullException(nameof(requestStream)),
tcpSettings);
_tcpSettings = tcpSettings;
_requestBodyFactory = requestBodyFactory
?? throw new ArgumentNullException(nameof(requestBodyFactory));
}
public HttpChunkedRequestBody(
RollbackableStream requestStream,
HttpRequestHeader header,
TcpSettings tcpSettings)
{
Validation.RequireValidTcpSettings(tcpSettings);
_requestStream = requestStream
?? throw new ArgumentNullException(nameof(requestStream));
_header = header
?? throw new ArgumentNullException(nameof(header));
_readBuffer = new byte[tcpSettings.ReadWriteBufferSize];
_trailerReader = new HttpChunkedTrailerReader(
_requestStream,
tcpSettings.ReadWriteBufferSize);
}
public HttpResponse(
IHttpRequest request,
Stream rawResponseStream,
TcpSettings tcpSettings,
HttpSettings httpSettings)
{
Validation.RequireValidTcpSettings(tcpSettings);
_request = request;
_rawResponseStream = rawResponseStream
?? throw new ArgumentNullException(nameof(rawResponseStream));
_tcpSettings = tcpSettings;
_header = new HttpResponseHeader();
_header.StatusCode = 200;
_body = new HttpResponseBody(_rawResponseStream,
tcpSettings, httpSettings, this);
}
public TcpClientHandler(
ISslService sslService,
ITcpSessionFactory tcpSessionFactory,
IWatchDog tcpWatchDog,
TcpSettings tcpSettings)
{
Validation.RequireValidTcpSettings(tcpSettings);
_sslService = sslService
?? throw new ArgumentNullException(nameof(sslService));
_tcpSessionFactory = tcpSessionFactory
?? throw new ArgumentNullException(nameof(tcpSessionFactory));
_tcpWatchDog = tcpWatchDog
?? throw new ArgumentNullException(nameof(tcpWatchDog));
_tcpWatchDog.MaxSessionDuration = tcpSettings.IdleTimeout;
_tcpSettings = tcpSettings;
}
internal HttpResponseBody(
Stream rawResponseStream,
TcpSettings tcpSettings,
HttpSettings httpSettings,
IHttpResponse response,
ILogger logger)
{
Validation.RequireValidHttpSettings(httpSettings);
Validation.RequireValidTcpSettings(tcpSettings);
_tcpSettings = tcpSettings;
_logger = logger
?? throw new ArgumentNullException(nameof(logger));
_rawResponseStream = rawResponseStream
?? throw new ArgumentNullException(nameof(rawResponseStream));
_response = response
?? throw new ArgumentNullException(nameof(response));
_httpSettings = httpSettings;
_buffer = new MemoryStream(httpSettings.MaxBodyChunkSize);
_buffer.Position = 0;
}
public HttpSession(
Stream connection,
TcpSettings tcpSettings,
IContent content,
IContentSettingsReadOnly contentSettings,
IHttpKeepAliveService keepAliveService,
IHttpRequestInternal request,
IHttpResponseInternal response)
{
Validation.RequireValidTcpSettings(tcpSettings);
_tcpSettings = tcpSettings;
_connection = connection
?? throw new ArgumentNullException(nameof(connection));
_content = content
?? throw new ArgumentNullException(nameof(content));
_contentSettings = contentSettings
?? throw new ArgumentNullException(nameof(contentSettings));
_keepAliveService = keepAliveService
?? throw new ArgumentNullException(nameof(keepAliveService));
_request = request
?? throw new ArgumentNullException(nameof(request));
_response = response
?? throw new ArgumentNullException(nameof(response));
}
public void SetTcpSettings(TcpSettings tcpSettings)
{
Validation.RequireValidTcpSettings(tcpSettings);
_tcpSettings = tcpSettings;
}
public ReadOnlyStream Create(
TcpSettings tcpSettings,
HttpRequestHeader requestHeader,
RollbackableStream requestStream)
{
// Message body length https://tools.ietf.org/html/rfc7230#section-3.3.3
// 1.
// If a Transfer - Encoding header field is present and the chunked
// transfer coding(Section 4.1) is the final encoding, the message
// body length is determined by reading and decoding the chunked
// data until the transfer coding indicates the data is complete.
if (requestHeader.ContainsKey(HttpKeys.TransferEncoding))
{
var encodings = Split(requestHeader.Get(HttpKeys.TransferEncoding, false).Last());
var finalEncoding = encodings[encodings.Length - 1];
if (HeaderValueEquals(finalEncoding, HttpKeys.ChunkedValue))
{
// If a message is received with both a Transfer - Encoding and a
// Content - Length header field, the Transfer - Encoding overrides the
// Content - Length.Such a message might indicate an attempt to
// perform request smuggling(Section 9.5) or response splitting
// (Section 9.4) and ought to be handled as an error.A sender MUST
// remove the received Content - Length field prior to forwarding such
// a message downstream.
if (requestHeader.ContainsKey(HttpKeys.ContentLength))
{
requestHeader.Remove(HttpKeys.ContentLength);
}
return(CreateChunkedRequestBody(requestStream, requestHeader, tcpSettings));
}
// If a Transfer - Encoding header field
// is present in a request and the chunked transfer coding is not
// the final encoding, the message body length cannot be determined
// reliably; the server MUST respond with the 400(Bad Request)
// status code and then close the connection.
else
{
ThrowForLastTransferEncodingIsNotChunked();
}
}
// If a message is received without Transfer - Encoding and with
// either multiple Content - Length header fields having differing
// field - values or a single Content-Length header field having an
// invalid value, then the message framing is invalid and the
// recipient MUST treat it as an unrecoverable error. If this is a
// request message, the server MUST respond with a 400(Bad Request)
// status code and then close the connection.
//
// If a valid Content-Length header field is present without
// Transfer - Encoding, its decimal value defines the expected message
// body length in octets.
else if (requestHeader.ContainsKey(HttpKeys.ContentLength))
{
return(CreateFixedLengthRequestBody(requestStream, requestHeader.GetContentLength()));
}
// If this is a request message and none of the above are true, then
// the message body length is zero (no message body is present).
else
{
return(CreateEmptyRequestBody());
}
// Woudln't reach here,
// But just to make the compiler happy.
return(null);
}
