public void RunHook(string hook, ref HttpRequestInfo obj)
{
foreach (LoadedCallback callback in callbacks)
{
if (callback.hook == hook)
{
callback.method(ref obj);
}
}
}
public void ProcessFile(ref HttpRequestInfo obj)
{
Console.WriteLine("Callback processing of requested file...");
//HttpRequestInfo theRequest = ref obj;
if(obj.mimeType == "text/html")
{
string HTML = Encoding.UTF8.GetString(obj.rawFile);
HTML = HTML.Replace("<", "<");
HTML = HTML.Replace(">", ">");
obj.finalizedFile = System.Text.Encoding.UTF8.GetBytes(HTML);
}
}
public int ProcessRequest(ref HttpRequestInfo request)
{
return 1;
}
private bool handleRequest(NetworkStream clientStream, HttpRequestInfo theRequest)
{
CallbackSys.RunHook("start.request", ref theRequest);
/* What are we doing here? */
switch (theRequest.method)
{
/* First, let us check to see if we can find the file */
case HttpMethod.GET:
/* Build list of files to look for if the request was for a directory */
theRequest.file = HttpUtility.UrlDecode(theRequest.file);
Console.WriteLine("Decoded: " + theRequest.file);
if (theRequest.file[theRequest.file.Length - 1] == '/')
{
string[] indexFiles = config.directive["DirectoryIndex"].Split(' ');
string realPath = config.directive["DocumentRoot"];
bool found = false;
bool isDirectory = false;
realPath = realPath.Replace('\\', '/');
if (Directory.Exists(realPath))
{
realPath = realPath + theRequest.file.Substring(1);
isDirectory = true;
}
/* Make sure root / works */
if (theRequest.file == "/")
isDirectory = false;
foreach (string file in indexFiles)
{
if (File.Exists(realPath + file.Trim()))
{
realPath += file.Trim();
theRequest.file = file.Trim();
found = true;
break;
}
}
/* Send the page */
if (found)
{
FileInfo fInfo = new FileInfo(realPath);
Stream fileStream = File.OpenRead(realPath);
byte[] buf = new byte[fInfo.Length];
/* Read up the file that was requested */
int offset = 0;
long remaining = fInfo.Length;
while (remaining > 0)
{
int read = fileStream.Read(buf, offset, buf.Length);
if (read <= 0)
throw new EndOfStreamException
(String.Format("End of stream reached with {0} bytes left to read", remaining));
remaining -= read;
offset += read;
}
theRequest.rawFile = buf;
theRequest.finalizedFile = theRequest.rawFile;
/* Call any modules that may need to process the raw file */
Console.WriteLine("\tCalling callback hooks...");
CallbackSys.RunHook("request.rawfile.process", ref theRequest);
theRequest.mimeType = mimeTypes.GetMimeType(theRequest.file.Substring(theRequest.file.LastIndexOf('.') + 1));
if (theRequest.finalizedFile.Length == 0)
{
SendHeaders(clientStream, HttpStatus.OKAY, buf.Length, theRequest.mimeType);
clientStream.Write(buf, 0, buf.Length);
}
else
{
SendHeaders(clientStream, theRequest.status, theRequest.finalizedFile.Length, theRequest.mimeType);
clientStream.Write(theRequest.finalizedFile, 0, theRequest.finalizedFile.Length);
}
/*
* If a module processed the file read in above and
* ran it to generate HTML (like php) the plugin is
* responsible for serving that to the client as all
* we do is serve the content directly
* /
if (!theRequest.skipBuiltinServe)
{
clientStream.Write(buf, 0, buf.Length);
}
else
{
}
//string mimeType = mimeTypes.GetMimeType(theRequest.file.Substring(theRequest.file.LastIndexOf('.') + 1));
//SendHeaders(clientStream, HttpStatus.OKAY, fInfo.Length, mimeType);
/* Read file in and output it to client *
using (FileStream fs = fInfo.OpenRead())
{
byte[] buf = new byte[1024];
int? bytesRead = null;
while (bytesRead != 0)
{
bytesRead = fs.Read(buf, 0, 1024);
clientStream.Write(buf, 0, buf.Length);
}
}*/
clientStream.Flush();
}
else if(isDirectory)
{
/* Attempt to list the directory */
SendHeaders(clientStream, HttpStatus.OKAY, "text/html");
ASCIIEncoding encoder = new ASCIIEncoding();
byte[] data = encoder.GetBytes(ShowDirectory(theRequest.file));
clientStream.Write(data, 0, data.Length);
clientStream.Flush();
}
else
{
/* Throw a 404 up */
SendHeaders(clientStream, HttpStatus.FILENOTFOUND, "text/html");
ASCIIEncoding encoder = new ASCIIEncoding();
byte[] data = encoder.GetBytes("<h1>Not found</h1>" + "<p>The request " + theRequest.file + " was not found on this server.</p>\n");
clientStream.Write(data, 0, data.Length);
clientStream.Flush();
}
}
else // Direct file request
{
if (theRequest.file[0] == '/')
{
theRequest.file = theRequest.file.Substring(1);
}
string realPath = config.directive["DocumentRoot"] + theRequest.file.Trim();
bool found = false;
bool isDirectory = false;
realPath = realPath.Replace('\\', '/');
if (Directory.Exists(realPath))
{
realPath = realPath + theRequest.file;
theRequest.file = "/" + theRequest.file;
isDirectory = true;
}
if (File.Exists(realPath))
{
found = true;
Console.WriteLine("File found! " + realPath);
}
/* Send the page */
if (found)
{
FileInfo fInfo = new FileInfo(realPath);
byte[] buf = new byte[fInfo.Length];
try
{
theRequest.mimeType = mimeTypes.GetMimeType(theRequest.file.Substring(theRequest.file.LastIndexOf('.') + 1));
//SendHeaders(clientStream, HttpStatus.OKAY, fInfo.Length, mimeType);
/* Read file in and output it to client *
using (FileStream fs = fInfo.OpenRead())
{
byte[] buf = new byte[1024];
int? bytesRead = null;
while (bytesRead != 0)
{
bytesRead = fs.Read(buf, 0, 1024);
clientStream.Write(buf, 0, buf.Length);
}
}*/
using(FileStream fileStream = fInfo.OpenRead())
{
/* Read up the file that was requested */
int offset = 0;
long remaining = fInfo.Length;
while (remaining > 0)
{
int read = fileStream.Read(buf, offset, buf.Length);
if (read <= 0)
throw new EndOfStreamException
(String.Format("End of stream reached with {0} bytes left to read", remaining));
remaining -= read;
offset += read;
}
theRequest.rawFile = buf;
theRequest.finalizedFile = theRequest.rawFile;
/* Call any modules that may need to process the raw file */
Console.WriteLine("\tCalling callback hooks...");
CallbackSys.RunHook("request.rawfile.process", ref theRequest);
if (theRequest.finalizedFile.Length == 0)
{
SendHeaders(clientStream, HttpStatus.OKAY, buf.Length, theRequest.mimeType);
clientStream.Write(buf, 0, buf.Length);
}
else
{
SendHeaders(clientStream, theRequest.status, theRequest.finalizedFile.Length, theRequest.mimeType);
clientStream.Write(theRequest.finalizedFile, 0, theRequest.finalizedFile.Length);
}
}
}
catch (Exception ex)
{
Console.WriteLine(">>" + ex.Message);
}
}
else if (isDirectory)
{
/* Attempt to list the directory */
SendHeaders(clientStream, HttpStatus.OKAY, "text/html");
ASCIIEncoding encoder = new ASCIIEncoding();
byte[] data = encoder.GetBytes(ShowDirectory(theRequest.file));
clientStream.Write(data, 0, data.Length);
clientStream.Flush();
}
else
{
/* Throw a 404 up */
SendHeaders(clientStream, HttpStatus.FILENOTFOUND, "text/html");
ASCIIEncoding encoder = new ASCIIEncoding();
byte[] data = encoder.GetBytes("<h1>Not found</h1>" + "<p>The request " + theRequest.file + " was not found on this server.</p>\n");
clientStream.Write(data, 0, data.Length);
clientStream.Flush();
}
}
break;
default:
/* Internal Server Error it up! */
SendHeaders(clientStream, HttpStatus.INTERNAL_ERROR, "text/html");
ASCIIEncoding encodr = new ASCIIEncoding();
byte[] data_ = encodr.GetBytes("Internal Server Error\n");
clientStream.Write(data_, 0, data_.Length);
clientStream.Flush();
break;
}
//Console.WriteLine("Request ended.");
return true;
}
private void ClientHandler(object client)
{
Console.WriteLine("Client handler thread started...");
TcpClient tcpClient = (TcpClient)client;
NetworkStream clientStream = tcpClient.GetStream();
ASCIIEncoding encoder = new ASCIIEncoding();
StringBuilder RequestLines = new StringBuilder();
byte[] message = new byte[4096];
int bytesRead = 0;
while (encoder.GetString(message, 0, bytesRead).IndexOf("\r\n\r\n") == -1 && encoder.GetString(message, 0, bytesRead).IndexOf("\n\n") == -1)
{
bytesRead = 0;
try
{
/* Wait for message... */
bytesRead = clientStream.Read(message, 0, 4096);
}
catch (Exception ex)
{
Console.WriteLine("Socket Error");
Debug.WriteLine("Socket error: " + ex.Message);
clientStream.Close();
tcpClient.Close();
break;
}
if (bytesRead == 0)
{
/* Disconnected */
clientStream.Close();
tcpClient.Close();
return;
}
/* Message received, was ist das?! */
RequestLines.Append(encoder.GetString(message, 0, bytesRead));
}
/* Go through the lines and gather request info */
HttpRequestInfo theRequest = new HttpRequestInfo();
string fullRequ = RequestLines.ToString();
string[] lines = fullRequ.Split('\n');
/* Get our method */
if (lines.Length > 0)
{
/* Only GET for now... */
if(lines[0].IndexOf(HttpMethod.GET) > -1)
{
theRequest.method = HttpMethod.GET;
string[] words = lines[0].Split(' ');
/* Store the requested file */
if (words.Length > 1)
{
theRequest.file = words[1];
}
}
}
/* Process any other directives here */
for (int i = 1; i < lines.Length; i++)
{
int dirEnd = lines[i].IndexOf(": ");
if (dirEnd > 1)
{
theRequest.directives.Add(lines[i].Substring(0, dirEnd), lines[i].Substring(dirEnd + 2));
}
}
if (!handleRequest(clientStream, theRequest))
{
Console.WriteLine("Error handling request for " + theRequest.file);
}
clientStream.Close();
tcpClient.Close();
theRequest = null;
if (Interlocked.Decrement(ref numBusy) == 0)
{
DoneEvent.Set();
}
Console.WriteLine("Client handler thread exiting...");
}
