public void Http11HasBody()
{
Mock<IHttpHeaders> mockHeaders = new Mock<IHttpHeaders>();
HttpHeaderEventArgs args = new HttpRequestHeaderEventArgs("1.1", mockHeaders.Object, "get", "/");
Assert.That(args.HasBody, Is.False);
}
public void IsSslTest()
{
List<KeyValuePair<string, string>> headerList = new List<KeyValuePair<string, string>>();
headerList.Add(new KeyValuePair<string, string>("Host", "www.yahoo.com"));
headerList.Add(new KeyValuePair<string, string>("Proxy-Connection", "keep-alive"));
HttpHeaders headers = new HttpHeaders(headerList);
var objectUnderTest = new HttpRequestHeaderEventArgs("1.1", headers, "cOnNeCt", "http://www.yahoo.com:443");
Assert.That(objectUnderTest.IsSsl, Is.True);
}
public void CreateBufferTest()
{
List<KeyValuePair<string, string>> headerList = new List<KeyValuePair<string, string>>();
headerList.Add(new KeyValuePair<string, string>("Host", "www.yahoo.com"));
headerList.Add(new KeyValuePair<string, string>("Proxy-Connection", "keep-alive"));
HttpHeaders headers = new HttpHeaders(headerList);
var objectUnderTest = new HttpRequestHeaderEventArgs("1.1", headers, "PUT", "/");
byte[] headerBytes = objectUnderTest.GetBuffer();
string expectedHeader = "PUT / HTTP/1.1\r\nHost: www.yahoo.com\r\nConnection: keep-alive\r\n\r\n";
var expectedBytes = Encoding.UTF8.GetBytes(expectedHeader);
Assert.That(headerBytes, Is.EqualTo(expectedBytes));
}
public void ConvertProxyConnectionHeaderInHttp11()
{
List<KeyValuePair<string, string>> headerList = new List<KeyValuePair<string, string>>();
headerList.Add(new KeyValuePair<string, string>("Host", "www.yahoo.com"));
headerList.Add(new KeyValuePair<string, string>("Proxy-Connection", "keep-alive"));
headerList.Add(new KeyValuePair<string, string>("Foo", "bar"));
HttpHeaders headers = new HttpHeaders(headerList);
var objectUnderTest = new HttpRequestHeaderEventArgs("1.1", headers, "GET", "http://www.yahoo.com/foo.html");
Assert.That(objectUnderTest.Headers.Count, Is.EqualTo(3));
Assert.That(objectUnderTest.Headers["Connection"], Is.EqualTo("keep-alive"));
var buffer = objectUnderTest.GetBuffer();
// This test uses three headers to verify that the Connection header is modified in-place
// and not moved in the list. This is important because a proxy server cannot change
// the header order according to HTTP spec.
Assert.That(Encoding.UTF8.GetString(buffer), Is.EqualTo("GET /foo.html HTTP/1.1\r\nHost: www.yahoo.com\r\nConnection: keep-alive\r\nFoo: bar\r\n\r\n"));
}
public void RemoveProxyConnectionHeaderInHttp10()
{
List<KeyValuePair<string,string> > headerList = new List<KeyValuePair<string, string>>();
headerList.Add(new KeyValuePair<string, string>("Proxy-Connection", "keep-alive"));
HttpHeaders headers = new HttpHeaders(headerList);
var objectUnderTest = new HttpRequestHeaderEventArgs( "1.0", headers, "GET", "http://www.yahoo.com/foo.html" );
Assert.That(objectUnderTest.Headers.Count, Is.EqualTo(0));
var buffer = objectUnderTest.GetBuffer();
Assert.That(Encoding.UTF8.GetString(buffer), Is.EqualTo("GET /foo.html HTTP/1.0\r\n\r\n") );
}
private void HandleParserReadRequestHeaderComplete( object sender, HttpRequestHeaderEventArgs e )
{
ServiceLog.Logger.Verbose( "{0} ClientSession -- read HTTP request header from client\r\n{1}",
Id,
Encoding.UTF8.GetString( e.GetBuffer() ) );
try
{
// TODO: apply filter here
_lastRequest = HttpRequest.CreateRequest( e );
_accessLog.Write( _clientConnection.ConnectionId, _lastRequest, "Connect OK" );
if ( _lastRequest.IsSsl )
{
ServiceLog.Logger.Info( "{0} HTTPS connection", Id );
ResetParser();
string host;
int port;
if ( ServerDispatcher.TryParseAddress( _lastRequest, out host, out port ) )
{
ServiceLog.Logger.Info( "{0} HTTPS host: {1}:{2}", Id, host, port );
_facadeFactory.BeginConnect( host, port, HttpsServerConnect );
}
else
{
ServiceLog.Logger.Warning( "{0} Unrecognized HTTPS address. Resetting session.", Id );
Reset();
}
}
else
{
// Hold off sending data until the connection is established
_connectToServerEvent.Reset();
_dispatcher.BeginConnect( _lastRequest, HandleServerConnect );
}
}
catch ( Exception ex )
{
ServiceLog.Logger.Exception( string.Format( "{0} Unhandled exception connecting to remote host.", Id ), ex );
Reset();
}
}
//private bool HasHostChanged( HttpRequestHeaderEventArgs newRequest )
//{
// if ( RecentRequestHeader == null )
// {
// return false;
// }
// HttpRequest request = HttpRequest.CreateRequest( newRequest );
// int port;
// string host;
// if ( SessionStateUtils.TryParseAddress( request, out host, out port ) )
// {
// return ( RecentRequestHeader.IsSsl != request.IsSsl ||
// Host != host || Port != port );
// }
// throw new InvalidDataException( "Malformed HTTP request" );
//}
//private void WaitForEmptyPipeline()
//{
// while ( HttpPipelineDepth > 0 )
// {
// ServiceLog.Logger.Verbose( "{0} Waiting for pipeline to clear. Pipeline depth: {1}", Id, HttpPipelineDepth );
// _pipelineUpdateEvent.WaitOne();
// }
//}
private void HandleClientParserReadRequestHeaderComplete( object sender, HttpRequestHeaderEventArgs e )
{
Contract.Requires( e != null );
ServiceLog.Logger.Verbose( "{0} SessionContext::HandleClientParserReadRequestHeaderComplete", Id );
try
{
// Race condition: it's possible that the existing connection is being evaluated for persistence
// when a new, concurrent, pipelined request is coming from the client. This new request could
// have a different host/port but we cannot change the active server connection until the existing
// pipeline is empty.
//if ( HasHostChanged( e ) )
//{
// ServiceLog.Logger.Info( "{0} Client has changed hosts. Waiting for pipeline to clear before reconnecting...", Id );
// WaitForEmptyPipeline();
// ServiceLog.Logger.Info( "{0} Pipeline cleared. Continuing with request.", Id );
//}
IHttpRequest request = HttpRequest.CreateRequest( e );
lock ( _changeClientConnectionMutex )
{
if (ClientConnection != null)
{
State.RequestHeaderAvailable(request, this);
}
}
HttpPipelineDepth++;
// Update the recent request header AFTER sending the request header to the state so the state
// can compare host changes
RecentRequestHeader = request;
}
catch ( Exception ex )
{
ServiceLog.Logger.Exception(
string.Format( "{0} Unhandled exception when handling request header", Id ), ex );
ChangeState( SessionStateType.Error );
}
}
private void ParserReadRequestHeaderComplete( object sender, HttpRequestHeaderEventArgs e )
{
_logger.Verbose( () => string.Format( "Read HTTP request header\r\n{0}", Encoding.UTF8.GetString( e.GetBuffer() ) ) );
try
{
_serverConnectingEvent.WaitOne();
_lastRequest = HttpRequest.CreateRequest( e );
string host;
int port;
if ( TryParseAddress( _lastRequest, out host, out port ) )
{
var filterResults = _filter.ApplyConnectionFilters( _lastRequest, _connection.Id );
if (filterResults != null)
{
_logger.Info("Connection filter rejected connection");
_connection.SendData(filterResults);
Reset();
}
else
{
_logger.Info(string.Format("Connecting to {0}:{1}", host, port));
if (_lastRequest.IsSsl)
{
EstablishSslConnection(host, port, _lastRequest.Version);
}
else
{
var responseFilter = _filter.CreateResponseFilters( _lastRequest, _connection.Id );
_serverDispatcher.ConnectToServer(host, port, responseFilter, ServerConnected);
}
}
}
else
{
_logger.Error( "Request header not a recognized format" );
Reset();
}
}
catch ( Exception ex )
{
_logger.Exception( "Unhandled exception parsing request header", ex );
Reset();
}
}
internal static HttpRequest CreateRequest( HttpRequestHeaderEventArgs args )
{
Contract.Requires( args != null );
return new HttpRequest( args );
}
private HttpRequest( HttpRequestHeaderEventArgs args )
{
Contract.Requires(args!=null);
_args = args;
}