internal HeaderCollection(NameValueCollection collection) : base(collection)
{
AccessControlRequestHeaders = TryGet("Access-Control-Request-Headers");
AccessControlRequestMethod = TryGet("Access-Control-Request-Method");
Authorization = TryGet("Authorization");
Host = TryGet("Host");
Origin = TryGet("Origin");
Referrer = TryGet("Referrer");
UserAgent = TryGet("User-Agent");
ContentLength = GetContentLength();
ContentEncoding = TryGet("Content-Encoding");
var contentTypes = new AcceptValueCollection(TryGet("Content-Type"));
ContentType = contentTypes.GetPreferredName();
SetContentCharset(contentTypes);
SetContentLanguage();
SetAcceptValues();
SetAcceptCharsets();
SetAcceptEncodings();
SetAcceptLanguages();
SetLinks();
}
private string GetAcceptedMediaType(IHttpRequest request, string acceptValue)
{
if (String.IsNullOrWhiteSpace(acceptValue))
{
return null;
}
string acceptedMediaType = new AcceptValueCollection(acceptValue).GetPreferredName();
return IsValidAcceptedMediaType(request, ref acceptedMediaType) ? acceptedMediaType : null;
}
private void SetAcceptLanguages()
{
var acceptLanguages = new AcceptValueCollection(TryGet("Accept-Language"));
AcceptLanguage = acceptLanguages.GetPreferredName();
AcceptLanguages = acceptLanguages.AcceptedNames.ToArray();
if (String.IsNullOrEmpty(AcceptLanguage))
{
return;
}
if (AcceptLanguage == "*")
{
AcceptLanguageCulture = Thread.CurrentThread.CurrentCulture;
return;
}
try
{
AcceptLanguageCulture = new CultureInfo(AcceptLanguage);
}
catch (Exception)
{
throw new HttpResponseException(HttpStatusCode.NotAcceptable, Resources.Global.NonAcceptedContentLanguage);
}
}
private void SetAcceptEncodings()
{
var acceptEncodings = new AcceptValueCollection(TryGet("Accept-Encoding"));
AcceptEncoding = acceptEncodings.GetPreferredName();
AcceptEncodings = acceptEncodings.AcceptedNames.ToArray();
}
private void SetAcceptCharsets()
{
var acceptCharsets = new AcceptValueCollection(TryGet("Accept-Charset"));
string acceptCharset = acceptCharsets.GetPreferredName();
if (!String.IsNullOrEmpty(acceptCharset) && acceptCharset.IndexOf('*') < 0)
{
AcceptCharsets = acceptCharsets.AcceptedNames.ToArray();
}
else
{
acceptCharset = Utf8Charset;
AcceptCharsets = new[] { Utf8Charset };
}
try
{
AcceptCharsetEncoding = Encoding.GetEncoding(acceptCharset);
AcceptCharset = AcceptCharsetEncoding.WebName;
}
catch (Exception)
{
throw new HttpResponseException(HttpStatusCode.NotAcceptable, Resources.Global.NonAcceptedContentCharset);
}
}
private void SetAcceptValues()
{
var acceptValues = new AcceptValueCollection(TryGet("Accept"));
AcceptType = acceptValues.GetPreferredName();
AcceptTypes = acceptValues.AcceptedNames.ToArray();
AcceptValue? acceptedTypeValue = acceptValues.GetPreferredValue();
AcceptVersion = acceptedTypeValue.HasValue ? acceptedTypeValue.Value.Version : 0;
}
private void SetContentCharset(AcceptValueCollection contentTypes)
{
string contentCharset;
if (!String.IsNullOrEmpty(ContentType) && ContentType.IndexOf('*') < 0)
{
contentCharset = contentTypes.GetPreferredValues(ContentType)
.Where(v => v.Charset != null)
.Select(v => v.Charset).FirstOrDefault() ?? Utf8Charset;
}
else
{
contentCharset = Utf8Charset;
}
try
{
ContentCharsetEncoding = Encoding.GetEncoding(contentCharset);
ContentCharset = ContentCharsetEncoding.WebName;
}
catch (Exception)
{
throw new HttpResponseException(HttpStatusCode.BadRequest, Resources.Global.UnsupportedContentCharset);
}
}
