static byte[] HandleResponse(OSHttpRequest httpRequest, OSHttpResponse response, Stream stream,
string urlToAppend, Dictionary <string, object> variables,
HTTPReturned eventHandler)
{
Uri myUri = new Uri("http://localhost/index.php?" + HttpServerHandlerHelpers.ReadString(stream));
Dictionary <string, string> newVars = new Dictionary <string, string>();
foreach (string key in variables.Keys)
{
newVars[key] = HttpUtility.ParseQueryString(myUri.Query).Get(key);
}
string url = eventHandler(newVars);
string html = "<html>" +
(url == ""
? ""
: ("<head>" +
"<meta http-equiv=\"REFRESH\" content=\"0;url=" + url + "\"></HEAD>")) +
"</HTML>";
response.ContentType = "text/html";
return(Encoding.UTF8.GetBytes(html));
}
/// <summary>
/// Try all the registered xmlrpc handlers when an xmlrpc request is received.
/// Sends back an XMLRPC unknown request response if no handler is registered for the requested method.
/// </summary>
/// <param name="request"></param>
/// <param name="response"></param>
private byte[] HandleXmlRpcRequests(OSHttpRequest request, OSHttpResponse response)
{
string requestBody = HttpServerHandlerHelpers.ReadString(request.InputStream);
requestBody = requestBody.Replace("<base64></base64>", "");
string responseString = String.Empty;
XmlRpcRequest xmlRprcRequest = null;
try
{
xmlRprcRequest = (XmlRpcRequest)(new XmlRpcRequestDeserializer()).Deserialize(requestBody);
}
catch (XmlException e)
{
MainConsole.Instance.WarnFormat(
"[BASE HTTP SERVER]: Got XMLRPC request with invalid XML from {0}. XML was '{1}'. Sending blank response. Exception: {2}",
request.RemoteIPEndPoint, requestBody, e.ToString());
}
if (xmlRprcRequest != null)
{
string methodName = xmlRprcRequest.MethodName;
if (methodName != null)
{
xmlRprcRequest.Params.Add(request.RemoteIPEndPoint); // Param[1]
XmlRpcResponse xmlRpcResponse;
XmlRpcMethod method;
bool methodWasFound;
lock (m_rpcHandlers)
methodWasFound = m_rpcHandlers.TryGetValue(methodName, out method);
if (methodWasFound)
{
xmlRprcRequest.Params.Add(request.Url); // Param[2]
string xff = "X-Forwarded-For";
string xfflower = xff.ToLower();
foreach (string s in request.Headers.AllKeys)
{
if (s != null && s.Equals(xfflower))
{
xff = xfflower;
break;
}
}
xmlRprcRequest.Params.Add(request.Headers.Get(xff)); // Param[3]
try
{
xmlRpcResponse = method(xmlRprcRequest, request.RemoteIPEndPoint);
}
catch (Exception e)
{
string errorMessage
= String.Format(
"Requested method [{0}] from {1} threw exception: {2} {3}",
methodName, request.RemoteIPEndPoint.Address, e.Message, e.StackTrace);
MainConsole.Instance.ErrorFormat("[BASE HTTP SERVER]: {0}", errorMessage);
// if the registered XmlRpc method threw an exception, we pass a fault-code along
xmlRpcResponse = new XmlRpcResponse();
// Code probably set in accordance with http://xmlrpc-epi.sourceforge.net/specs/rfc.fault_codes.php
xmlRpcResponse.SetFault(-32603, errorMessage);
}
}
else
{
xmlRpcResponse = new XmlRpcResponse();
// Code set in accordance with http://xmlrpc-epi.sourceforge.net/specs/rfc.fault_codes.php
xmlRpcResponse.SetFault(
XmlRpcErrorCodes.SERVER_ERROR_METHOD,
String.Format("Requested method [{0}] not found", methodName));
}
response.ContentType = "text/xml";
responseString = XmlRpcResponseSerializer.Singleton.Serialize(xmlRpcResponse);
}
else
{
response.ContentType = "text/plain";
response.StatusCode = 404;
response.StatusDescription = "Not Found";
responseString = "Not found";
MainConsole.Instance.ErrorFormat(
"[BASE HTTP SERVER]: Handler not found for http request {0} {1}",
request.HttpMethod, request.Url.PathAndQuery);
}
}
byte[] buffer = Encoding.UTF8.GetBytes(responseString);
response.SendChunked = false;
response.ContentEncoding = Encoding.UTF8;
return(buffer);
}
public void Run()
{
while (m_running)
{
PollServiceHttpRequest req = m_request.Dequeue();
try
{
byte[] buffer = null;
if (req.PollServiceArgs.HasEvents(req.RequestID, req.PollServiceArgs.Id))
{
StreamReader str;
try
{
str = new StreamReader(req.Context.Request.InputStream);
}
catch (ArgumentException)
{
// Stream was not readable means a child agent
// was closed due to logout, leaving the
// Event Queue request orphaned.
continue;
}
OSHttpResponse response = new OSHttpResponse(req.Context);
buffer = req.PollServiceArgs.GetEvents(req.RequestID, req.PollServiceArgs.Id,
str.ReadToEnd(), response);
}
else
{
if ((Environment.TickCount - req.RequestTime) > m_timeout)
{
OSHttpResponse response = new OSHttpResponse(req.Context);
buffer = req.PollServiceArgs.NoEvents(req.RequestID, req.PollServiceArgs.Id, response);
}
else
{
ReQueuePollServiceItem reQueueItem = ReQueue;
if (reQueueItem != null)
{
reQueueItem(req);
}
}
}
if (buffer != null)
{
req.Context.Response.ContentEncoding = Encoding.UTF8;
try
{
if (req.Context.Request.ProtocolVersion.Minor == 0)
{
//HTTP 1.0... no chunking
req.Context.Response.ContentLength64 = buffer.Length;
using (Stream stream = req.Context.Response.OutputStream)
{
HttpServerHandlerHelpers.WriteNonChunked(stream, buffer);
}
}
else
{
req.Context.Response.SendChunked = true;
using (Stream stream = req.Context.Response.OutputStream)
{
HttpServerHandlerHelpers.WriteChunked(stream, buffer);
}
}
req.Context.Response.Close();
}
catch (Exception ex)
{
if (!(ex is HttpListenerException) ||
!HttpListenerManager.IGNORE_ERROR_CODES.Contains(((HttpListenerException)ex).ErrorCode))
{
MainConsole.Instance.WarnFormat("[Poll service worker thread]: Failed to write all data to the stream: {0}", ex.ToString());
}
}
}
}
catch (Exception e)
{
MainConsole.Instance.ErrorFormat("Exception in poll service thread: {0}", e.ToString());
}
}
}
/// <summary>
/// This methods is the start of incoming HTTP request handling.
/// </summary>
/// <param name="context"></param>
public virtual void HandleRequest(HttpListenerContext context)
{
HttpListenerRequest request = context.Request;
using (HttpListenerResponse response = context.Response)
{
OSHttpRequest req = new OSHttpRequest(context);
OSHttpResponse resp = new OSHttpResponse(context);
if (request.HttpMethod == String.Empty) // Can't handle empty requests, not wasting a thread
{
byte[] buffer = GetHTML500(response);
response.ContentLength64 = buffer.LongLength;
response.Close(buffer, true);
return;
}
response.KeepAlive = false;
string requestMethod = request.HttpMethod;
string uriString = request.RawUrl;
int requestStartTick = Environment.TickCount;
// Will be adjusted later on.
int requestEndTick = requestStartTick;
IStreamedRequestHandler requestHandler = null;
try
{
System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo("en-US",
true);
string path = request.RawUrl;
string handlerKey = GetHandlerKey(request.HttpMethod, path);
byte[] buffer = null;
if ((request.ContentType == "application/xml" || request.ContentType == "text/xml") && GetXmlRPCHandler(request.RawUrl) != null)
{
buffer = HandleXmlRpcRequests(req, resp);
}
else if (TryGetStreamHandler(handlerKey, out requestHandler))
{
response.ContentType = requestHandler.ContentType;
// Lets do this defaulting before in case handler has varying content type.
buffer = requestHandler.Handle(path, request.InputStream, req, resp);
}
request.InputStream.Close();
try
{
if (buffer != null)
{
if (request.ProtocolVersion.Minor == 0)
{
//HTTP 1.0... no chunking
response.ContentLength64 = buffer.Length;
using (Stream stream = response.OutputStream)
{
HttpServerHandlerHelpers.WriteNonChunked(stream, buffer);
}
}
else
{
response.SendChunked = true;
using (Stream stream = response.OutputStream)
{
HttpServerHandlerHelpers.WriteChunked(stream, buffer);
}
}
response.Close();
}
else
{
response.Close(new byte[0], true);
}
}
catch (Exception ex)
{
if (!(ex is HttpListenerException) ||
!HttpListenerManager.IGNORE_ERROR_CODES.Contains(((HttpListenerException)ex).ErrorCode))
{
MainConsole.Instance.WarnFormat(
"[BASE HTTP SERVER]: HandleRequest failed to write all data to the stream: {0}", ex.ToString());
}
response.Abort();
}
requestEndTick = Environment.TickCount;
}
catch (Exception e)
{
MainConsole.Instance.ErrorFormat("[BASE HTTP SERVER]: HandleRequest() threw {0} ", e.ToString());
response.Abort();
}
finally
{
// Every month or so this will wrap and give bad numbers, not really a problem
// since its just for reporting
int tickdiff = requestEndTick - requestStartTick;
if (tickdiff > 3000 && requestHandler != null)
{
MainConsole.Instance.InfoFormat(
"[BASE HTTP SERVER]: Slow handling of {0} {1} took {2}ms",
requestMethod,
uriString,
tickdiff);
}
else if (MainConsole.Instance.IsTraceEnabled)
{
MainConsole.Instance.TraceFormat(
"[BASE HTTP SERVER]: Handling {0} {1} took {2}ms",
requestMethod,
uriString,
tickdiff);
}
}
}
}