public virtual void HandleRequest(OSHttpRequest request, OSHttpResponse response)
{
try
{
Thread.CurrentThread.CurrentCulture = new CultureInfo("en-US", true);
response.SendChunked = false;
IRequestHandler requestHandler;
string path = request.RawUrl;
string handlerKey = GetHandlerKey(request.HttpMethod, path);
if (TryGetStreamHandler(handlerKey, out requestHandler))
{
byte[] buffer = null;
response.ContentType = request.ContentType;
if (requestHandler is IGenericHTTPHandler)
{
IGenericHTTPHandler HttpRequestHandler = requestHandler as IGenericHTTPHandler;
Stream requestStream = request.InputStream;
Encoding encoding = Encoding.UTF8;
string requestBody = string.Empty;
using (StreamReader reader = new StreamReader(requestStream, encoding))
{
requestBody = reader.ReadToEnd();
}
Hashtable keysvals = new Hashtable();
Hashtable headervals = new Hashtable();
string[] querystringkeys = request.QueryString.AllKeys;
string[] rHeaders = request.Headers.AllKeys;
foreach (string queryname in querystringkeys)
{
keysvals.Add(queryname, request.Query[queryname]);
}
foreach (string headername in rHeaders)
{
headervals.Add(headername, request.Headers[headername]);
}
keysvals.Add("requestbody", requestBody);
keysvals.Add("headers", headervals);
keysvals.Add("form", request.Form);
keysvals.Add("uri", request.RawUrl);
keysvals.Add("contenttype", request.ContentType);
if (request.ContentEncoding != null && !keysvals.ContainsKey("encoding"))
{
keysvals.Add("encoding", request.ContentEncoding);
}
keysvals.Add("accepttypes", request.AcceptTypes);
DoHTTPGruntWork(HttpRequestHandler.Handle(path, keysvals), response);
return;
}
request.InputStream.Close();
if (buffer == null)
{
return;
}
if (!response.SendChunked)
{
response.ContentLength64 = buffer.LongLength;
}
try
{
response.OutputStream.Write(buffer, 0, buffer.Length);
}
catch (HttpListenerException)
{
m_Output.LogMessage("error", "[HTTPD]: HTTPRequest terminated abnormally " + Environment.NewLine);
}
try
{
response.Send();
}
catch (SocketException)
{
m_Output.LogMessage("error", "[HTTPD]: HTTPRequest terminated abnormally " + Environment.NewLine);
}
catch (IOException)
{
m_Output.LogMessage("error", "[HTTPD]: HTTPRequest terminated abnormally " + Environment.NewLine);
}
}
switch (request.ContentType)
{
case null:
case "text/html":
HandleHTTPRequest(request, response);
return;
default:
if (DoWeHaveAHTTPHandler(request.RawUrl))
{
HandleHTTPRequest(request, response);
return;
}
return;
}
}
catch (SocketException e)
{
m_Output.LogMessage("warn", "[HTTPD]: HandleRequest threw " + e.Message + Environment.NewLine);
}
catch (IOException e)
{
m_Output.LogMessage("warn", "[HTTPD]: HandleRequest threw " + e.Message + Environment.NewLine);
}
catch (InvalidOperationException e)
{
m_Output.LogMessage("warn", "[HTTPD]: HandleRequest threw " + e.Message + Environment.NewLine);
}
return;
}
private void HandleContentVerbs(OSHttpRequest request, OSHttpResponse response)
{
Stream requestStream = request.InputStream;
Encoding encoding = Encoding.UTF8;
string requestBody = string.Empty;
string host = string.Empty;
using (StreamReader reader = new StreamReader(requestStream, encoding))
{
requestBody = reader.ReadToEnd();
}
Hashtable keysvals = new Hashtable();
Hashtable headervals = new Hashtable();
Hashtable requestVars = new Hashtable();
string[] querystringkeys = request.QueryString.AllKeys;
string[] rHeaders = request.Headers.AllKeys;
foreach (string queryname in querystringkeys)
{
keysvals.Add(queryname, request.Query[queryname]);
}
foreach (string headername in rHeaders)
{
headervals.Add(headername, request.Headers[headername]);
}
keysvals.Add("body", requestBody);
keysvals.Add("uri", request.RawUrl);
keysvals.Add("content-type", request.ContentType);
keysvals.Add("http-method", request.HttpMethod);
if (request.ContentEncoding != null && !keysvals.ContainsKey("encoding"))
{
keysvals.Add("encoding", request.ContentEncoding);
}
keysvals.Add("accepttypes", request.AcceptTypes);
foreach (string queryname in querystringkeys)
{
if (!keysvals.ContainsKey(queryname))
{
keysvals.Add(queryname, request.QueryString[queryname]);
}
if (!requestVars.ContainsKey(queryname))
{
requestVars.Add(queryname, keysvals[queryname]);
}
}
foreach (string headername in rHeaders)
{
headervals[headername] = request.Headers[headername];
}
if (headervals.Contains("Host"))
{
host = (string)headervals["Host"];
}
keysvals.Add("headers", headervals);
keysvals.Add("form", request.Form);
foreach (HttpInputItem item in request.Form)
{
if (!keysvals.ContainsKey(item.Name))
{
keysvals.Add(item.Name, item.Value);
}
//m_log.Output(string.Format("{0}={1}\r\n", item.Name, item.Value));
}
if (keysvals.Contains("method"))
{
string method = (string)keysvals["method"];
GenericHTTPMethod requestProcessor;
bool foundHandler = TryGetHTTPHandler(method, out requestProcessor);
if (foundHandler)
{
Hashtable responsedata1 = requestProcessor(keysvals);
DoHTTPGruntWork(responsedata1, response);
}
else
{
FileRequest.FileResponse fileoutput = null;
Exception exceptionout = null;
if (m_fileRequestHandler.TryGetFile(request, out fileoutput, out exceptionout))
{
if (exceptionout == null)
{
SendFile(request, response, fileoutput);
}
else
{
if (exceptionout is System.Security.SecurityException || exceptionout is UnauthorizedAccessException)
{
SendHTML403(response);
}
else if (exceptionout is FileNotFoundException || exceptionout is DirectoryNotFoundException || exceptionout is ArgumentException || exceptionout is ArgumentNullException)
{
SendHTML404(response, host);
}
else
{
SendHTML500(response);
}
}
}
else
{
SendHTML404(response, host);
}
}
}
else
{
GenericHTTPMethod requestProcessor;
bool foundHandler = TryGetHTTPHandlerPathBased(request.RawUrl, out requestProcessor);
if (foundHandler)
{
Hashtable responsedata2 = requestProcessor(keysvals);
DoHTTPGruntWork(responsedata2, response);
}
else
{
FileRequest.FileResponse fileoutput = null;
Exception exceptionout = null;
if (m_fileRequestHandler.TryGetFile(request, out fileoutput, out exceptionout))
{
if (exceptionout == null)
{
SendFile(request, response, fileoutput);
}
else
{
if (exceptionout is System.Security.SecurityException || exceptionout is UnauthorizedAccessException)
{
SendHTML403(response);
}
else if (exceptionout is FileNotFoundException || exceptionout is DirectoryNotFoundException || exceptionout is ArgumentException || exceptionout is ArgumentNullException)
{
SendHTML404(response, host);
}
else
{
SendHTML500(response);
}
}
}
else
{
SendHTML404(response, host);
}
}
}
}
internal void DoHTTPGruntWork(Hashtable responsedata, OSHttpResponse response)
{
int responsecode = (int)responsedata["int_response_code"];
string responseString = string.Empty;
if (responsedata.ContainsKey("str_response_string"))
{
responseString = (string)responsedata["str_response_string"];
}
string contentType = string.Empty;
if (responsedata.ContainsKey("content_type"))
{
contentType = (string)responsedata["content_type"];
}
string RedirectLocationHeader = string.Empty;
if (responsedata.ContainsKey("redirect_location"))
{
RedirectLocationHeader = (string)responsedata["redirect_location"];
}
if (responsedata.ContainsKey("error_status_text"))
{
response.StatusDescription = (string)responsedata["error_status_text"];
}
if (responsedata.ContainsKey("http_protocol_version"))
{
response.ProtocolVersion = (string)responsedata["http_protocolversion_version"];
}
if (responsedata.ContainsKey("keepalive"))
{
bool keepalive = (bool)responsedata["keepalive"];
response.KeepAlive = keepalive;
}
if (responsedata.ContainsKey("reusecontext"))
{
response.ReuseContext = (bool)responsedata["reusecontext"];
}
if (string.IsNullOrEmpty(contentType))
{
contentType = "text/html";
}
response.StatusCode = responsecode;
switch (responsecode)
{
case 302:
response.AddHeader("Location", RedirectLocationHeader);
break;
default:
response.AddHeader("Content-Type", contentType);
break;
}
byte[] buffer;
if (!contentType.Contains("image"))
{
buffer = Encoding.UTF8.GetBytes(responseString);
}
else
{
buffer = Convert.FromBase64String(responseString);
}
response.SendChunked = false;
response.ContentLength64 = buffer.LongLength;
response.ContentEncoding = Encoding.UTF8;
try
{
response.OutputStream.Write(buffer, 0, buffer.Length);
}
catch (Exception ex)
{
m_Output.LogMessage("error", "[HTTPD]: Error - " + ex.Message + Environment.NewLine);
}
finally
{
try
{
response.OutputStream.Flush();
response.Send();
}
catch (SocketException e)
{
m_Output.LogMessage("warn", "There was an underlying socket error. Perhaps the socket disconnected." + e.Message + Environment.NewLine);
}
catch (IOException e)
{
m_Output.LogMessage("warn", "There was an IO issue: " + e.Message + Environment.NewLine);
}
}
}
