public WebSessionContainer <TSession> GetSessionContainer(WebRequest request, WebResponse response)
{
lock (SessionsSyncRoot)
{
// Periodically purge expired sessions.
DateTime now = DateTime.Now;
if (--_PurgeCountdown <= 0)
{
PurgeExpiredSessions(now);
_PurgeCountdown = _PurgeCountdownMax;
}
// Look for an existing session.
HttpCookie sessionCookie = request.Cookies[SessionCookieName];
WebSessionContainer <TSession> sessionContainer;
if (sessionCookie != null)
{
if (_Sessions.TryGetValue(sessionCookie.Value, out sessionContainer))
{
if (SessionIsValid(response, now, sessionCookie, sessionContainer))
{
return(sessionContainer);
}
}
}
// Start a new session.
string sessionCookieValue = MakeSessionKey(response);
sessionContainer = new WebSessionContainer <TSession>(response.Con.RemoteAddress);
_Sessions[sessionCookieValue] = sessionContainer;
sessionCookie = new HttpCookie(SessionCookieName, sessionCookieValue);
response.Cookies.Add(sessionCookie);
return(sessionContainer);
}
}
public void ProcessRequest(HttpContext aspNetContext)
{
Connection con = new Connection(aspNetContext.Response.OutputStream,
aspNetContext.Request.UserHostAddress, 0);
// Construct a copy of the HttpRequest.Headers collection, because the one created by ASP.NET
// is automagically modified whenever the response collection created by ASP.NET is modified.
// There is no good way to mimic this behavior when running in our own web server, so to
// maintain compatibility with our own server we use a copy of the ASP.NET request headers
// so they won't be modified when we add to the response headers.
NameValueCollection requestHeaders = new NameValueCollection();
NameValueCollection aspNetRequestHeaders = aspNetContext.Request.Headers;
foreach (string headerName in aspNetRequestHeaders)
{
foreach (string value in aspNetRequestHeaders.GetValues(headerName))
{
requestHeaders.Add(headerName, value);
}
}
WebRequest request = new WebRequest(aspNetContext.Request.RequestType, requestHeaders,
aspNetContext.Request.RawUrl, aspNetContext.Request.Path,
aspNetContext.Request.QueryString, con.RemoteAddress);
for (int fileIndex = 0; fileIndex < aspNetContext.Request.Files.Count; fileIndex++)
{
string fieldName = aspNetContext.Request.Files.AllKeys[fileIndex];
HttpPostedFile aspNetFile = aspNetContext.Request.Files[fileIndex];
WebUploadedFile file = new WebUploadedFile(aspNetFile.FileName, aspNetFile.InputStream,
aspNetFile.ContentLength, aspNetFile.ContentType);
request.UploadedFiles.Add(fieldName, file);
}
WebResponse response = new WebResponse(con, aspNetContext.Response.Headers,
aspNetContext.Response.Cookies, false);
TSiteData siteData = (TSiteData)aspNetContext.Application[
AspNetHttpModule <TSiteData, TSession> .SiteDataKey];
WebSessionContainer <TSession> sessionContainer = siteData.GetSessionContainer(request, response);
WebContext <TSiteData, TSession> webContext = new WebContext <TSiteData, TSession>(
request, response, new ServerUtilities(new NullDiagOutput()), new SiteUtilities(aspNetContext.Server),
siteData, sessionContainer.Session);
WebPage <TSiteData, TSession> page = PageFactory.GetInstance(webContext);
page.Process(webContext);
}
public void ExecuteRequest(WebRequest request, WebResponse response, WebPortListener server)
{
WebSessionContainer <TSession> sessionContainer = _SiteData.GetSessionContainer(request, response);
TSession session = sessionContainer.Session;
WebContext <TSiteData, TSession> context = new WebContext <TSiteData, TSession>(request, response, server,
new SiteUtilities(_SiteRoot), _SiteData, session);
server.WriteDiagMessage(context.Request.Verb + " " + context.Request.RequestURI);
IWebPageFactory <TSiteData, TSession> matchingHandler = null;
foreach (IWebPageHandler <TSiteData, TSession> handler in _WebPageHandlers)
{
if (handler.IsMatch(context.Request.AbsoluteUriPath))
{
matchingHandler = handler.Factory;
break;
}
}
if (matchingHandler == null)
{
throw new WebExceptions.ResourceNotFound(request.RequestURI);
}
switch (context.Request.Verb)
{
case HttpVerbs.Get:
WebPage <TSiteData, TSession> getPage = matchingHandler.GetInstance(context);
getPage.Process(context);
response.FlushBody(server);
break;
case HttpVerbs.Head:
WebPage <TSiteData, TSession> headPage = matchingHandler.GetInstance(context);
headPage.Process(context);
break;
case HttpVerbs.Post:
WebPage <TSiteData, TSession> postPage = matchingHandler.GetInstance(context);
postPage.Process(context);
response.FlushBody(server);
break;
default:
throw new WebExceptions.NotImplemented("Verb " + context.Request.Verb + " not supported");
}
}
private bool SessionIsValid(WebResponse response, DateTime now, HttpCookie sessionCookie,
WebSessionContainer <TSession> sessionContainer)
{
// Has session expired?
if (now.Subtract(sessionContainer.LastAccess).CompareTo(_ExpiresAfter) > 0)
{
// Remove it and say to create a new session.
_Sessions.Remove(sessionCookie.Value);
}
else
{
// Make sure this connection is from the same remote address
// as was used to create the session.
if (sessionContainer.RemoteAddress == response.Con.RemoteAddress)
{
sessionContainer.LastAccess = now;
return(true);
}
}
return(false);
}
