private static void Parse(Accept accept, string acceptString)
{
var accepts = acceptString.Split(',');
foreach (var s in accepts.Where(x => !string.IsNullOrWhiteSpace(x)))
{
var acceptParts = s.Split(';');
var mimePart = acceptParts[0];
var args = acceptParts.Length > 1 ? acceptParts.Skip(1) : new string[0];
var mimeParts = mimePart.Split('/');
var mime = new MimeType
{
Type = mimeParts[0],
Subtype = mimeParts.Length > 1 ? mimeParts[1] : "*"
};
var arguments = args.Select(x => x.Split('='))
.Where(x => x.Length == 2)
.ToDictionary(x => x[0].Trim(), x => x[1].Trim());
mime.Q = arguments.ContainsKey("q") ? arguments["q"].AsDecimal() : 1;
accept.MimeTypes.Add(mime);
}
}
public static Accept GetFromHeaders(Hashtable httpHeaders)
{
var accept = new Accept();
if (!httpHeaders.ContainsKey("accept"))
{
accept.MimeTypes.Add(MimeType.Any);
return accept;
}
var acceptString = httpHeaders["accept"] as string;
Parse(accept, acceptString);
return accept;
}
internal void ParseRequest()
{
var request = Input.StreamReadLine(HttpServer.TIMEOUT);
var tokens = request.Split(' ');
if (tokens.Length != 3)
{
throw new Exception("invalid http request line");
}
Method = new HttpMethod(tokens[0].ToUpper());
URL = GetUri(tokens[1]);
HttpProtocolVersion = tokens[2];
var query = HttpUtility.ParseQueryString(URL.Query);
Query = query.AllKeys.ToDictionary(x => x, x => query[x]);
this.HttpHeaders = HeadersHelper.ReadHeaders(this.Input, HttpServer.TIMEOUT);
Accept = Accept.GetFromHeaders(this.HttpHeaders);
}