public void LoadFile(string physicalPathFile, DateTime modifiedSince)
{
FileInfo fi = new FileInfo(physicalPathFile);
if (fi.Exists)
{
if (fi.LastWriteTime >= modifiedSince)
{
ContentType = ContentTypes.GetExtensionType(fi.Name);
ContentStream = (Stream)(new FileStream(physicalPathFile, FileMode.Open, FileAccess.Read, FileShare.Read));
if (ContentType.StartsWith("text"))
{
// StreamReader reader = new StreamReader(streamContent);
// auto detect by browser
CharSet = "";
}
}
LastModified = HttpTime.RoundDate(fi.LastWriteTime);
}
else
{
throw new FileNotFoundException("File Not Found!", physicalPathFile);
}
}
public void AddField(HttpField field)
{
switch (field.Name)
{
case HttpConst.Host:
Host = field.Value;
break;
case HttpConst.Accept:
Accept.AddRange(field.Values);
break;
case HttpConst.AcceptLanguage:
AcceptLanguage.AddRange(field.Values);
break;
case HttpConst.AcceptEncoding:
AcceptEncoding.AddRange(field.Values);
break;
case HttpConst.AcceptCharset:
AcceptCharset.AddRange(field.Values);
if (AcceptCharset.Count > 0)
{
ContentTransferEncoding = Encoding.GetEncoding(AcceptCharset[0]);
}
break;
case HttpConst.KeepAlive:
KeepAlive = field.Value;
break;
case HttpConst.Connection:
Connection = field.Value;
break;
case HttpConst.UserAgent:
UserAgent = field.RawValue;
break;
case HttpConst.Referer:
Referer = field.Value;
break;
case HttpConst.Cookie:
Cookie = field.Value;
break;
case HttpConst.IfUnmodifiedSince:
// lastModified = HtmlTime.TimeHtml2Date(value);
break;
case HttpConst.IfModifiedSince:
// se pueden recibir varios parametros "If-Modified-Since: Tue, 10 Oct 2006 13:16:15 GMT; length=13757"
IfModifiedSince = HttpTime.TimeHtml2Date(field.RawValue);
break;
case HttpConst.IfNoneMatch:
break;
case HttpConst.ContentType:
ContentType = field.Value;
break;
case HttpConst.ContentLength:
ContentLength = int.Parse(field.Value);
break;
case HttpConst.ContentTransferEncoding:
ContentTransferEncoding = Encoding.GetEncoding(field.Value);
break;
case HttpConst.Authorization:
ParserUserAndPassword(field.Value);
break;
default:
// currentRequest.RestHeaders.Add(tag.ToLower(), field);
// Head.Fields.Add(field.Name, field);
break;
}
Head.Fields.Add(field.Name, field);
}
public void PrepareSend()
{
HeadStream = (Stream) new MemoryStream();
StreamWriter headWriter = new StreamWriter(HeadStream, Encoding.ASCII);
string codeReason = HttpConst.CodeReasons[Code];
headWriter.WriteLine("{0} {1} {2}",
HttpConst.HttpVersion, (int)Code, codeReason);
if (Location != null)
{
headWriter.WriteLine("Location: {0}", Location);
}
headWriter.WriteLine("Server: {0}", WebConfig.ServerVersion);
headWriter.WriteLine("Connection: {0}", Connection);
headWriter.WriteLine("Date: {0}", HttpTime.HtmlNow());
if (Body != null && Body.HasContent)
{
if (Body.ContentEncoding != ContentEncodings.NORMAL)
{
string cenc = "";
switch (Body.ContentEncoding)
{
case ContentEncodings.GZIP:
cenc = "gzip";
break;
case ContentEncodings.DEFLATE:
cenc = "deflate";
break;
}
headWriter.WriteLine("Content-Encoding: {0}", cenc);
}
if (Body.ContentEncoding == ContentEncodings.GZIP)
{
MemoryStream body = new MemoryStream();
GZip.Compress(Body.ContentStream, body);
Body.ContentStream = body;
}
if (LastModified != null)
{
headWriter.WriteLine("Last-Modified: {0}",
HttpTime.Date2TimeHtml(LastModified));
}
headWriter.Write("Content-Type: {0}", Body.ContentType);
if (Body.ContentType.StartsWith("text") && Body.CharSet.Length > 0)
{
headWriter.Write("; charset={0}", Body.CharSet);
}
headWriter.WriteLine();
if (Body.ContentDisposition != null && Body.ContentDisposition.Length > 0)
{
headWriter.WriteLine("Content-Disposition: {0}", Body.ContentDisposition);
}
headWriter.WriteLine("Content-Length: {0}", Body.Length);
// BUG para MSIE para imagenes en CSS
if (Body.ContentType.StartsWith("image") && Request.IsMSIEBrowser)
{
headWriter.WriteLine("Expires: {0}", HttpTime.Date2TimeHtml(DateTime.Now.AddHours(2)));
}
headWriter.WriteLine("Cache-Control: {0}", "public, must-revalidate, max-age = 1");
}
else
{
headWriter.WriteLine("Content-Length: {0}", 0);
}
foreach (object item in Head.Fields.Values)
{
var field = (HttpField)item;
switch (field.Name)
{
default:
headWriter.WriteLine("{0}: {1}", field.Name, field.Value);
break;
}
}
headWriter.WriteLine();
headWriter.Flush();
}
public static string HtmlNow()
{
return(HttpTime.Date2TimeHtml(DateTime.Now));
}
public static DateTime RoundedNow()
{
return(HttpTime.RoundDate(DateTime.Now));
}
/// <summary>
/// redondear una fecha para que sea compatible con las fechas que llegan desde mensajes
/// HTTP que no tienen milisegundos
/// </summary>
/// <param name="dateTime"></param>
/// <returns></returns>
public static DateTime RoundDate(DateTime dateTime)
{
return(HttpTime.TimeHtml2Date(HttpTime.Date2TimeHtml(dateTime)));;
}
