public Boolean ParseMandatory(IEnumerable <String> PropertyNames,
String PropertyDescription,
String DefaultServerName,
out DateTime Timestamp,
HTTPRequest HTTPRequest,
out HTTPResponse HTTPResponse)
{
Object JSONToken = null;
Timestamp = DateTime.MinValue;
// Attention: JSONToken is a side-effect!
var FirstMatchingPropertyName = PropertyNames.
Where(propertyname => TryGetValue(propertyname, out JSONToken)).
FirstOrDefault();
if (FirstMatchingPropertyName != null)
{
if (JSONToken != null)
{
try
{
Timestamp = (DateTime)JSONToken;
}
catch (Exception)
{
HTTPResponse = new HTTPResponseBuilder(HTTPRequest)
{
HTTPStatusCode = HTTPStatusCode.BadRequest,
Server = DefaultServerName,
Date = DateTime.Now,
ContentType = HTTPContentType.JSON_UTF8,
Content = JSONObject.Create(
new JProperty("description", "Invalid timestamp '" + JSONToken.ToString() + "'!")
).ToUTF8Bytes()
};
return(false);
}
}
HTTPResponse = null;
return(true);
}
else
{
HTTPResponse = new HTTPResponseBuilder(HTTPRequest)
{
HTTPStatusCode = HTTPStatusCode.BadRequest,
Server = DefaultServerName,
Date = DateTime.Now,
ContentType = HTTPContentType.JSON_UTF8,
Content = JSONObject.Create(
new JProperty("description", "Missing at least one of the following properties: " + PropertyNames.AggregateWith(", ") + "!")
).ToUTF8Bytes()
};
return(false);
}
}
public Boolean ParseHTTP(String ParameterName, HTTPRequest HTTPRequest, out String Value, out HTTPResponse HTTPResp, String Context = null, String DefaultValue = null)
{
Object JSONToken;
if (!TryGetValue(ParameterName, out JSONToken))
{
Value = DefaultValue;
HTTPResp = HTTPExtentions.CreateBadRequest(HTTPRequest, Context, ParameterName);
return(false);
}
if (JSONToken != null)
{
Value = JSONToken.ToString();
if (Value.IsNullOrEmpty())
{
Value = DefaultValue;
HTTPResp = HTTPExtentions.CreateBadRequest(HTTPRequest, Context, ParameterName, JSONToken.ToString());
return(false);
}
}
else
{
Value = DefaultValue;
HTTPResp = null;
return(false);
}
HTTPResp = null;
return(true);
}
public Boolean ParseHTTP(String ParameterName, HTTPRequest HTTPRequest, out Double Value, out HTTPResponse HTTPResp, String Context = null, Double DefaultValue = 0)
{
Object JSONToken;
if (!TryGetValue(ParameterName, out JSONToken))
{
Value = DefaultValue;
HTTPResp = HTTPExtentions.CreateBadRequest(HTTPRequest, Context, ParameterName);
return(false);
}
if (JSONToken != null)
{
if (!Double.TryParse(JSONToken.ToString(), NumberStyles.Any, CultureInfo.CreateSpecificCulture("en-US"), out Value))
{
Log.Timestamp("Bad request: Invalid \"" + ParameterName + "\" property value!");
Value = DefaultValue;
HTTPResp = HTTPExtentions.CreateBadRequest(HTTPRequest, Context, ParameterName, JSONToken.ToString());
return(false);
}
}
else
{
Value = 0;
HTTPResp = null;
return(false);
}
HTTPResp = null;
return(true);
}
public Boolean ParseHTTP(String ParameterName, HTTPRequest HTTPRequest, out DateTime Value, out HTTPResponse HTTPResp, String Context = null, DateTime DefaultValue = default(DateTime))
{
Object JSONToken;
if (!TryGetValue(ParameterName, out JSONToken))
{
Value = DefaultValue;
HTTPResp = HTTPExtentions.CreateBadRequest(HTTPRequest, Context, ParameterName);
return(false);
}
if (JSONToken != null)
{
try
{
Value = (DateTime)JSONToken;
}
catch (Exception)
{
Log.Timestamp("Bad request: Invalid \"" + ParameterName + "\" property value!");
Value = DefaultValue;
HTTPResp = HTTPExtentions.CreateBadRequest(HTTPRequest, Context, ParameterName, JSONToken.ToString());
return(false);
}
}
else
{
Value = DateTime.Now;
HTTPResp = null;
return(false);
}
HTTPResp = null;
return(true);
}
public void ProcessArrow(TCPConnection TCPConnection)
{
//lock (myLock)
//{
#region Start
//TCPConnection.WriteLineToResponseStream(ServiceBanner);
TCPConnection.NoDelay = true;
Byte Byte;
var MemoryStream = new MemoryStream();
var EndOfHTTPHeader = EOLSearch.NotYet;
var ClientClose = false;
var ServerClose = false;
#endregion
try
{
do
{
switch (TCPConnection.TryRead(out Byte, MaxInitialWaitingTimeMS: ReadTimeout))
{
#region DataAvailable
case TCPClientResponse.DataAvailable:
#region Check for end of HTTP header...
if (EndOfHTTPHeader == EOLSearch.NotYet)
{
// \n
if (Byte == 0x0a)
{
EndOfHTTPHeader = EOLSearch.EoL_Found;
}
// \r
else if (Byte == 0x0d)
{
EndOfHTTPHeader = EOLSearch.R_Read;
}
}
// \n after a \r
else if (EndOfHTTPHeader == EOLSearch.R_Read)
{
if (Byte == 0x0a)
{
EndOfHTTPHeader = EOLSearch.EoL_Found;
}
else
{
EndOfHTTPHeader = EOLSearch.NotYet;
}
}
// \r after a \r\n
else if (EndOfHTTPHeader == EOLSearch.EoL_Found)
{
if (Byte == 0x0d)
{
EndOfHTTPHeader = EOLSearch.RN_Read;
}
else
{
EndOfHTTPHeader = EOLSearch.NotYet;
}
}
// \r\n\r after a \r\n\r
else if (EndOfHTTPHeader == EOLSearch.RN_Read)
{
if (Byte == 0x0a)
{
EndOfHTTPHeader = EOLSearch.Double_EoL_Found;
}
else
{
EndOfHTTPHeader = EOLSearch.NotYet;
}
}
#endregion
MemoryStream.WriteByte(Byte);
#region If end-of-line -> process data...
if (EndOfHTTPHeader == EOLSearch.Double_EoL_Found)
{
if (MemoryStream.Length > 0)
{
var RequestTimestamp = DateTime.Now;
#region Check UTF8 encoding
var HTTPHeaderString = String.Empty;
try
{
HTTPHeaderString = Encoding.UTF8.GetString(MemoryStream.ToArray());
}
catch (Exception)
{
NotifyErrors(null,
TCPConnection,
RequestTimestamp,
HTTPStatusCode.BadRequest,
Error: "Protocol Error: Invalid UTF8 encoding!");
}
#endregion
#region Try to parse the HTTP header
HTTPRequest HttpRequest = null;
var CTS = new CancellationTokenSource();
try
{
HttpRequest = new HTTPRequest(_HTTPServer,
CTS.Token,
EventTracking_Id.New,
TCPConnection.RemoteSocket,
TCPConnection.LocalSocket,
HTTPHeaderString.Trim(),
TCPConnection.NetworkStream);
}
catch (Exception e)
{
NotifyErrors(null,
TCPConnection,
RequestTimestamp,
HTTPStatusCode.BadRequest,
LastException: e,
Error: "Invalid HTTP header!");
}
#endregion
#region Call RequestLog delegate
var RequestLogLocal = RequestLog;
if (RequestLogLocal != null &&
HttpRequest != null)
{
RequestLogLocal(this, RequestTimestamp, HttpRequest);
}
#endregion
#region Call OnNotification delegate
HTTPResponse _HTTPResponse = null;
var OnNotificationLocal = OnNotification;
if (OnNotificationLocal != null &&
HttpRequest != null)
{
// ToDo: How to read request body by application code?!
_HTTPResponse = OnNotification("TCPConnectionId",
RequestTimestamp,
HttpRequest).Result;
TCPConnection.WriteToResponseStream((_HTTPResponse.RawHTTPHeader.Trim() +
"\r\n\r\n").
ToUTF8Bytes());
if (_HTTPResponse.HTTPBody != null)
{
TCPConnection.WriteToResponseStream(_HTTPResponse.HTTPBody);
}
else if (_HTTPResponse.HTTPBodyStream != null)
{
TCPConnection.WriteToResponseStream(_HTTPResponse.HTTPBodyStream);
_HTTPResponse.HTTPBodyStream.Dispose();
}
if (_HTTPResponse.Connection.ToLower().Contains("close"))
{
ServerClose = true;
}
}
#endregion
#region Call AccessLog delegate
if (HttpRequest != null &&
_HTTPResponse != null)
{
AccessLog?.Invoke(this,
RequestTimestamp,
HttpRequest,
_HTTPResponse);
}
#endregion
#region if HTTP Status Code == 4xx | 5xx => Call ErrorLog delegate
if (HttpRequest != null &&
_HTTPResponse != null &&
_HTTPResponse.HTTPStatusCode.Code > 400 &&
_HTTPResponse.HTTPStatusCode.Code <= 599)
{
ErrorLog?.Invoke(this,
RequestTimestamp,
HttpRequest,
_HTTPResponse);
}
#endregion
}
MemoryStream.SetLength(0);
MemoryStream.Seek(0, SeekOrigin.Begin);
EndOfHTTPHeader = EOLSearch.NotYet;
}
#endregion
break;
#endregion
#region CanNotRead
case TCPClientResponse.CanNotRead:
ServerClose = true;
break;
#endregion
#region ClientClose
case TCPClientResponse.ClientClose:
ClientClose = true;
break;
#endregion
#region Timeout
case TCPClientResponse.Timeout:
ServerClose = true;
break;
#endregion
}
} while (!ClientClose && !ServerClose);
}
#region Process exceptions
catch (IOException ioe)
{
if (ioe.Message.StartsWith("Unable to read data from the transport connection"))
{
}
else if (ioe.Message.StartsWith("Unable to write data to the transport connection"))
{
}
else
{
//if (OnError != null)
// OnError(this, DateTime.Now, ConnectionIdBuilder(newTCPConnection.RemoteIPAddress, newTCPConnection.RemotePort), ioe, MemoryStream);
}
}
catch (Exception e)
{
//if (OnError != null)
// OnError(this, DateTime.Now, ConnectionIdBuilder(newTCPConnection.RemoteIPAddress, newTCPConnection.RemotePort), e, MemoryStream);
}
#endregion
#region Close the TCP connection
try
{
TCPConnection.Close((ClientClose) ? ConnectionClosedBy.Client : ConnectionClosedBy.Server);
}
catch (Exception)
{ }
#endregion
//}
}
