protected virtual void ScanHeaderFieldValue(HeaderBuffer headerBuffer, string decapitalizedFieldName, int startOffset)
{
// argument checks
Debug.Assert(headerBuffer != null);
string value;
switch (decapitalizedFieldName)
{
case "content-length":
value = headerBuffer.ReadFieldASCIIValue(decapitalize: false);
this.ContentLength = HeaderBuffer.ParseHeaderFieldValueAsLong(value);
break;
case "transfer-encoding":
value = headerBuffer.ReadFieldASCIIValue(decapitalize: true);
if (HeaderBuffer.IsChunkedSpecified(value) == false)
{
throw MessageBuffer.CreateBadRequestException();
}
this.ContentLength = -1; // -1 means 'chunked'
break;
default:
// just skip
headerBuffer.SkipField();
break;
}
}
protected override void ScanHeaderFieldValue(HeaderBuffer headerBuffer, string decapitalizedFieldName, int startOffset)
{
switch (decapitalizedFieldName)
{
case "host":
// save its value, but its span is unnecessary
if (this.HostEndPoint == null)
{
string hostValue = HeaderBuffer.TrimHeaderFieldValue(headerBuffer.ReadFieldASCIIValue(false));
this.HostEndPoint = Util.ParseEndPoint(hostValue, canOmitPort: true);
}
else
{
headerBuffer.SkipField();
}
this.HostSpan = new Span(startOffset, headerBuffer.CurrentOffset);
break;
case "proxy-authorization":
// save its span, but its value is unnecessary
headerBuffer.SkipField();
this.ProxyAuthorizationSpan = new Span(startOffset, headerBuffer.CurrentOffset);
break;
default:
base.ScanHeaderFieldValue(headerBuffer, decapitalizedFieldName, startOffset);
break;
}
}
protected override void ScanHeaderFieldValue(HeaderBuffer headerBuffer, string decapitalizedFieldName, int startOffset)
{
switch (decapitalizedFieldName)
{
case "content-length":
case "transfer-encoding":
// Do not parse these header fields in response of HEAD method
// otherwise it will be blocked to try to read body stream after this.
if (this.Request?.Method != "HEAD")
{
base.ScanHeaderFieldValue(headerBuffer, decapitalizedFieldName, startOffset);
}
break;
case "connection":
// ToDo: exact parsing
string value = headerBuffer.ReadFieldASCIIValue(false);
if (value.Contains("close"))
{
this.KeepAliveEnabled = false;
}
else if (value.Contains("keep-alive"))
{
this.KeepAliveEnabled = true;
}
break;
case "proxy-authenticate":
// save its span and value
this.ProxyAuthenticateValue = headerBuffer.ReadFieldASCIIValue(false);
this.ProxyAuthenticateSpan = new Span(startOffset, headerBuffer.CurrentOffset);
break;
default:
base.ScanHeaderFieldValue(headerBuffer, decapitalizedFieldName, startOffset);
break;
}
}
