Fixed help files.

WebApplication/Global.asax.cs

@@ -0,0 +1,106 @@
+
+using System;
+using System.Collections.Generic;
+using System.Web;
+using System.Web.Security;
+using System.Web.SessionState;
+using System.Text;
+
+namespace ScrewTurn.Wiki {
+
+	public class Global : System.Web.HttpApplication {
+
+		protected void Application_Start(object sender, EventArgs e) {
+			// Nothing to do (see Application_BeginRequest).
+		}
+
+		protected void Session_Start(object sender, EventArgs e) {
+			// Increment # of online users and setup a new breadcrumbs manager
+			// TODO: avoid to increment # of online users when session is not InProc
+			ScrewTurn.Wiki.Cache.OnlineUsers++;
+		}
+
+		protected void Application_BeginRequest(object sender, EventArgs e) {
+			if(Application["StartupOK"] == null) {
+				Application.Lock();
+				if(Application["StartupOK"] == null) {
+					// Setup Resource Exchanger
+					ScrewTurn.Wiki.Exchanger.ResourceExchanger = new ScrewTurn.Wiki.ResourceExchanger();
+					ScrewTurn.Wiki.StartupTools.Startup();
+
+					// All is OK, proceed with normal startup operations
+					Application["StartupOK"] = "OK";
+				}
+				Application.UnLock();
+			}
+
+			ScrewTurn.Wiki.UrlTools.RouteCurrentRequest();
+		}
+
+		protected void Application_AcquireRequestState(object sender, EventArgs e) {
+			if(HttpContext.Current.Session != null) {
+				// This should be performed on EndRequest, but Session is not available there
+				SessionCache.ClearData(HttpContext.Current.Session.SessionID);
+
+				// Try to automatically login the user through the cookie
+				ScrewTurn.Wiki.LoginTools.TryAutoLogin();
+			}
+		}
+
+		protected void Application_AuthenticateRequest(object sender, EventArgs e) {
+			// Nothing to do
+		}
+
+		/// <summary>
+		/// Logs an error.
+		/// </summary>
+		/// <param name="ex">The error.</param>
+		private void LogError(Exception ex) {
+			//if(ex.InnerException != null) ex = ex.InnerException;
+			try {
+				ScrewTurn.Wiki.Log.LogEntry(HttpContext.Current.Request.Url.ToString() + "\n" +
+					ex.Source + " thrown " + ex.GetType().FullName + "\n" + ex.Message + "\n" + ex.StackTrace,
+					ScrewTurn.Wiki.PluginFramework.EntryType.Error, ScrewTurn.Wiki.Log.SystemUsername);
+			}
+			catch { }
+		}
+
+		protected void Application_Error(object sender, EventArgs e) {
+			// Retrieve last error and log it, redirecting to Error.aspx (avoiding infinite loops)
+
+			Exception ex = Server.GetLastError();
+
+			HttpException httpEx = ex as HttpException;
+			if(httpEx != null) {
+				// Try to redirect an inexistent .aspx page to a probably existing .ashx page
+				if(httpEx.GetHttpCode() == 404) {
+					string page = System.IO.Path.GetFileNameWithoutExtension(Request.PhysicalPath);
+					ScrewTurn.Wiki.UrlTools.Redirect(page + ScrewTurn.Wiki.Settings.PageExtension);
+					return;
+				}
+			}
+
+			LogError(ex);
+			string url = "";
+			try {
+				url = HttpContext.Current.Request.Url.ToString();
+			}
+			catch { }
+			EmailTools.NotifyError(ex, url);
+			Session["LastError"] = Server.GetLastError();
+			if(!Request.PhysicalPath.ToLowerInvariant().Contains("error.aspx")) ScrewTurn.Wiki.UrlTools.Redirect("Error.aspx");
+		}
+
+		protected void Session_End(object sender, EventArgs e) {
+			// Decrement # of online users (only works when session is InProc)
+			ScrewTurn.Wiki.Cache.OnlineUsers--;
+		}
+
+		protected void Application_End(object sender, EventArgs e) {
+			// Try to cleanly shutdown the application and providers
+			ScrewTurn.Wiki.StartupTools.Shutdown();
+		}
+
+	}
+
+}