private HttpResponse processResponse(HttpResponse response)
{
foreach (KeyValuePair<String, String> kvp in response.cookies)
{
if (cookies.ContainsKey(kvp.Key))
cookies.Remove(kvp.Key);
cookies.Add(kvp.Key, kvp.Value);
}
return response;
}
public bool continueDownload(Stream output, HttpResponse response, Action<int> setup, Action<int> step, Action whenfinished)
{
bool tmp = continueDownload(output, response, setup, step);
whenfinished();
return tmp;
}
public bool continueDownload(Stream output, HttpResponse response, Action<int> setup, Action<int> step)
{
if ((int)response.Status < 300)
{
try
{
if (!response.headers.ContainsKey("content-length"))
{
throw new ConnectionException("Content Length needed");
}
int contentLen = Convert.ToInt32(response.headers["content-length"]);
int filepartlen = response.MessageRAW.Length - response.HeadLength;
int restLen = contentLen - filepartlen;
setup(contentLen);
output.Write(response.MessageRAW, response.HeadLength, filepartlen);
step(filepartlen);
byte[] rest = new byte[DL_CACHE_SIZE]; // 1mb of buffer space
int read = 0;
while (1 < restLen)
{
read = stream.Read(rest, 0, rest.Length);
output.Write(rest, 0, read);
restLen -= read;
step(read);
output.Flush();
}
}
catch (FormatException)
{
return false;
}
catch (IOException)
{
return false;
}
return true;
}
else
{
throw new ConnectionException("Download failed.");
}
}
public HttpResponse awaitMessage()
{
byte[] buffer = new byte[BUFFER_SIZE];
string message = "";
HttpResponse response = null;
bool Cont = true;
bool ResponseReceived = false;//flag for init
string tmp = "";
do
{
buffer = new byte[BUFFER_SIZE];
if ((buffer = this.takeByte(buffer)) == null)
{
Cont = false;
}
else
{
message += Encoding.UTF8.GetString(buffer);
}
if (!ResponseReceived)
{
var request_line = message.Split(new string[] { Environment.NewLine }, StringSplitOptions.None);
if (HttpResponse.validateResponse(request_line))
{
response = new HttpResponse(request_line);
response.clearMessageBytes();
ResponseReceived = true;
response.MessageRAW = Encoding.UTF8.GetBytes(message);
}
else
{
// wtf is this.. should at least be a header?!
tmp += message;
continue;
//ResponseReceived = false;
}
}
else
{
// response created. headers should be done.
response.MessageRAW = buffer;
response.Body = message.Substring(response.HeadLength);
}
// Checking for termination - chunked encoding and content-length aware
if (response.headers.ContainsKey("transfer-encoding") && response.headers["transfer-encoding"].Equals("chunked"))
{
if (message.Contains(CHUNKED_TERMINATOR))
{
message = message.Remove(message.IndexOf(CHUNKED_TERMINATOR));
Cont = false;
}
ResponseReceived = true;
}
else
{
//ResponseReceived = response.Status != 0;
if (ResponseReceived)
{
// The server may not be done spitting info at us
// checking content length
if (response.headers.ContainsKey("content-length"))
{
Cont = true; // must set based off content-length
int contentLen = Convert.ToInt32(response.headers["content-length"]);
if (response.MessageRAW.Length >= contentLen + response.HeadLength)
{
Cont = false;
}
else
{
buffer = new byte[BUFFER_SIZE]; // Careful of them overflowz
Cont = true;
//if ((buffer = this.takeByte(buffer)) == null)
//{
// Cont = false;
//}
//else
//{
// ResponseReceived = true;
// message = Encoding.UTF8.GetString(buffer).Trim();
// response.MessageRAW = buffer;
// response.Body += message;
// if (response.MessageRAW.Length >= contentLen + response.HeadLength)
// {
// Cont = false;
// }
//}
}
}
else
{
if (BUFFER_SIZE == buffer.Length)
{
// in case terminator perfetly aligns at end
if (!message.EndsWith(Environment.NewLine))
{
// if buffer full to brim and has EOL
Cont = false;
}
}
else
{
// if no content-length and buffer not filled
Cont = false;
}
}
}
}
} while (Cont);
if (response == null)
{
return null;
}
// may want to check if return code is > 200 for clearing referer
return processResponse(response);
}
/// <summary>
/// This method checks that the request path exists in the PAGE_ROOT directory.
/// Then the content-type is parsed from the request.
/// An HttpRequest is generated and sent, followed by the file specified.
/// Call this method conditionally from any subclass unless there are no conditions as to what clients are permitted to GET.
/// </summary>
/// <param name="request"></param>
protected virtual bool processGet(HttpRequest request)
{
String relativePath = request.Path;
if (relativePath.IndexOf('/') == 0)
{
relativePath = relativePath.Substring(1);
}
HttpResponse response;
//Keep in mind that File.OpenRead defaultly uses FileShare.Read
#region "File Checks and Response Generation"
if (File.Exists(PAGE_ROOT + relativePath))
{
String Content = request.requestMetaInfo("Accept");
response = new HttpResponse(HttpResponse.ConnectionStatus.OK, "keep-alive", PAGE_ROOT + relativePath);
response.addHeader("Content-Type", request.getGuessFileType());
}
else
{
if (request.Path.Equals("/"))
{
response = new HttpResponse(HttpResponse.ConnectionStatus.OK, "keep-alive", PAGE_ROOT + @"\" + onInit(request));
response.addHeader("Content-Type", "text/html");
}
else
{
on404(request);
return false;
}
}
#endregion
using (FileStream s = File.OpenRead(response.FilePath))
{
response.addHeader("Content-Length", s.Length.ToString());
try
{
SocketWriteLine(response.ToString());
s.CopyTo(stream);
}
catch (SocketException)
{
return false;
}
catch (IOException)
{
return false;
}
}
//}
//catch (IOException e)
//{
// Debug.WriteLine("send failure: " + request.path);
//}
stream.Flush();
return true;
}
protected void writeStream(Stream s, HttpResponse response)
{
try
{
response.addHeader("Content-Length", s.Length.ToString());
SocketWriteLine(response.ToString());
s.CopyTo(stream);
}
catch (IOException) { }
s.Close();
stream.Flush();
}
protected void writeHtmlStream(Stream s, HttpResponse response)
{
String html;
try
{
byte[] codedHtml = new byte[s.Length];
s.Read(codedHtml, 0, (int)s.Length);
html = Encoding.UTF8.GetString(codedHtml);
foreach (KeyValuePair<string, string> kp in pageMutations)
{
html = html.Replace(kp.Key, kp.Value);
}
response.addHeader("Content-Length", html.Length.ToString());
SocketWriteLine(response.ToString());
SocketWriteText(html);
}
catch (IOException) { }
s.Close();
stream.Flush();
}
public void processResponse(HttpResponse r)
{
foreach (KeyValuePair<string, string> kvp in r.cookies)
{
if (cookies.ContainsKey(kvp.Key))
{
cookies.Remove(kvp.Key);
}
cookies.Add(kvp.Key, kvp.Value);
}
}
