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 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();
}
}