/// <summary>
/// Handles the BeginRequest event of the Application control.
/// The Application_BeginRequest method is an ASP.NET event that executes
/// on each web request into the portal application. The below method
/// obtains the current pageIndex and PageID from the querystring of the
/// request -- and then obtains the configuration necessary to process
/// and render the request.
/// This portal configuration is stored within the application's "Context"
/// object -- which is available to all pages, controls and components
/// during the processing of a single request.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="T:System.EventArgs"/> instance containing the event data.</param>
protected void Application_BeginRequest(Object sender, EventArgs e)
{
Reader contextReader = new Reader(new WebContextReader());
HttpContext context = contextReader.Current;
// TODO: Move all URL handling to URLHandler.cs in core
// TODO: Need to support page name with no id, search db for match
// TODO: If not, return page with recomended matches..
/*
* QUERY FOR MATCHERS
* int pageID = Portal.PageID; // Get PageID from QueryString
* string portalAlias = Portal.UniqueID;
* Portal alias =
* page name = currentURL.Substring(currentURL.LastIndexOf("/") + 1)
* DECLARE @portalAlias varchar(20)
* DECLARE @PageName varchar(20)
*
* SET @portalAlias = 'rainbow'
* SET @PageName = 'Manage'
*
* SELECT rb_Tabs.TabID, rb_Tabs.TabName
* FROM rb_Portals INNER JOIN
* rb_Tabs ON rb_Portals.PortalID = rb_Tabs.PortalID
* WHERE (rb_Portals.PortalAlias LIKE '%' + @portalAlias + '%') AND (rb_Tabs.TabName LIKE N'%' + @PageName + N'%')
*/
string currentURL = context.Request.Path.ToLower();
#if DEBUG
if (currentURL.Contains("trace.axd"))
{
return;
}
#endif
context.Trace.Warn("Application_BeginRequest :: " + currentURL);
if (Portal.PageID > 0)
{
//Creates the physical path on the server
string physicalPath = context.Server.MapPath(currentURL.Substring(currentURL.LastIndexOf("/") + 1));
// TODO: Can we enhance performance here by checking to see if it is a friedly url page
// name instead of doing an IO check for exists?
// checks to see if the file does not exsists.
if (!File.Exists(physicalPath)) // Rewrites the path
{
context.RewritePath("~/default.aspx?" + context.Request.ServerVariables["QUERY_STRING"]);
}
}
else
{
string pname = currentURL.Substring(currentURL.LastIndexOf("/") + 1);
pname = pname.Substring(0, (pname.Length - 5));
if (Regex.IsMatch(pname, @"^\d+$"))
{
context.RewritePath("~/default.aspx?pageid=" + pname +
context.Request.ServerVariables["QUERY_STRING"]);
}
}
// 1st Check: is it a dangerously malformed request?
//Important patch http://support.microsoft.com/?kbid=887459
if (context.Request.Path.IndexOf('\\') >= 0 ||
Path.GetFullPath(context.Request.PhysicalPath) != context.Request.PhysicalPath)
{
throw new RainbowRedirect(LogLevel.Warn, HttpStatusCode.NotFound, "Malformed request", null);
}
#region 2nd Check: is the AllPortals Lock switched on?
// 2nd Check: is the AllPortals Lock switched on?
// let the user through if client IP address is in LockExceptions list, otherwise throw...
if (Config.LockAllPortals)
{
string _rawUrl = context.Request.RawUrl.ToLower(CultureInfo.InvariantCulture);
string _lockRedirect = Config.LockRedirect;
if (!_rawUrl.EndsWith(_lockRedirect))
{
// construct IPList
string[] lockKeyHolders = Config.LockKeyHolders.Split(new char[] { ';' });
IPList ipList = new IPList();
foreach (string lockKeyHolder in lockKeyHolders)
{
if (lockKeyHolder.IndexOf("-") > -1)
{
ipList.AddRange(lockKeyHolder.Substring(0, lockKeyHolder.IndexOf("-")),
lockKeyHolder.Substring(lockKeyHolder.IndexOf("-") + 1));
}
else
{
ipList.Add(lockKeyHolder);
}
}
// check if requestor's IP address is in allowed list
if (!ipList.CheckNumber(context.Request.UserHostAddress))
{
throw new PortalsLockedException();
}
}
}
#endregion
#region 3rd Check: is database/code version correct?
// 3rd Check: is database/code version correct?
// don't check database when installer is running
if (Request.AppRelativeCurrentExecutionFilePath.ToLower() != Config.InstallerRedirect.ToLower() &&
Request.AppRelativeCurrentExecutionFilePath.ToLower() != "~/webresource.axd")
{
int versionDelta = Database.DatabaseVersion.CompareTo(Portal.CodeVersion);
// if DB and code versions do not match
if (versionDelta != 0)
{
Uri _requestUri = context.Request.Url;
string _databaseUpdateRedirect = Config.DatabaseUpdateRedirect;
if (_databaseUpdateRedirect.StartsWith("~/"))
{
_databaseUpdateRedirect = _databaseUpdateRedirect.TrimStart(new char[] { '~' });
}
if (
!
_requestUri.AbsolutePath.ToLower(CultureInfo.InvariantCulture).EndsWith(
_databaseUpdateRedirect.ToLower(CultureInfo.InvariantCulture)))
{
// ...and this is not DB Update page
string errorMessage = "Database version: " + Database.DatabaseVersion.ToString() + " Code version: " +
Portal.CodeVersion.ToString();
if (versionDelta < 0) // DB Version is behind Code Version
{
// Jonathan : WHy wouldnt we redirect to update page?
// TODO : Check with people why this was like this....
Response.Redirect(Framework.Settings.Path.ApplicationRoot + _databaseUpdateRedirect, true);
// so update?
ErrorHandler.Publish(LogLevel.Warn, errorMessage);
// throw new DatabaseVersionException(errorMessage);
}
else // DB version is ahead of Code Version
{
ErrorHandler.Publish(LogLevel.Warn, errorMessage);
// Jonathan : WHy wouldnt we redirect to update page?
// TODO : Check with people why this was like this....
// Who cares ?
// throw new CodeVersionException(errorMessage);
}
}
else // this is already DB Update page...
{
return; // so skip creation of PortalSettings
}
}
#endregion
// ************ 'calculate' response to this request ************
//
// Test 1 - try requested Alias and requested PageID
// Test 2 - try requested Alias and PageID 0
// Test 3 - try default Alias and requested PageID
// Test 4 - try default Alias and PageID 0
//
// The UrlToleranceLevel determines how many times the test is allowed to fail before the request is considered
// to be "an error" and is therefore redirected:
//
// UrlToleranceLevel 1
// - requested Alias must be valid - if invalid, InvalidAliasRedirect page on default portal will be shown
// - if requested PageID is found, it is shown
// - if requested PageID is not found, InvalidPageIdRedirect page is shown
//
// UrlToleranceLevel 2
// - requested Alias must be valid - if invalid, InvalidAliasRedirect page on default portal will be shown
// - if requested PageID is found, it is shown
// - if requested PageID is not found, PageID 0 (Home page) is shown
//
// UrlToleranceLevel 3 - <<<<<< not working?
// - if requested Alias is invalid, default Alias will be used
// - if requested PageID is found, it is shown
// - if requested PageID is not found, InvalidPageIdRedirect page is shown
//
// UrlToleranceLevel 4 -
// - if requested Alias is invalid, default Alias will be used
// - if requested PageID is found, it is shown
// - if requested PageID is not found, PageID 0 (Home page) is shown
PortalSettings portalSettings = null;
int pageID = Portal.PageID; // Get PageID from QueryString
string portalAlias = Portal.UniqueID; // Get requested alias from querystring, cookies or hostname
string defaultAlias = Config.DefaultPortal; // get default portal from config
// load arrays with values to test
string[] testAlias = new string[4] {
portalAlias, portalAlias, defaultAlias, defaultAlias
};
int[] testPageID = new int[4] {
pageID, 0, pageID, 0
};
int testsAllowed = Config.UrlToleranceLevel;
int testsToRun = testsAllowed > 2 ? 4 : 2;
// if requested alias is default alias, limit UrlToleranceLevel to max value of 2 and limit tests to 2
if (portalAlias == defaultAlias)
{
testsAllowed = testsAllowed % 2;
testsToRun = 2;
}
int testsCounter = 1;
while (testsCounter <= testsToRun)
{
//try with current values from arrays
portalSettings = new PortalSettings(testPageID[testsCounter - 1], testAlias[testsCounter - 1]);
// test returned result
if (portalSettings.PortalAlias != null)
{
break; // successful hit
}
else
{
testsCounter++; // increment the test counter and continue
}
}
if (portalSettings.PortalAlias == null)
{
// critical error - neither requested alias nor default alias could be found in DB
throw new RainbowRedirect(
Config.NoPortalErrorRedirect,
LogLevel.Fatal,
Config.NoPortalErrorResponse,
"Unable to load any portal - redirecting request to ErrorNoPortal page.",
null);
}
if (testsCounter <= testsAllowed) // success
{
// Portal Settings has passed the test so add it to Context
context.Items.Add("PortalSettings", portalSettings);
context.Items.Add("PortalID", portalSettings.PortalID); // jes1111
}
else // need to redirect
{
if (portalSettings.PortalAlias != portalAlias) // we didn't get the portal we asked for
{
throw new RainbowRedirect(
Config.InvalidAliasRedirect,
LogLevel.Info,
HttpStatusCode.NotFound,
"Invalid Alias specified in request URL - redirecting (404) to InvalidAliasRedirect page.",
null);
}
if (portalSettings.ActivePage.PageID != pageID) // we didn't get the page we asked for
{
throw new RainbowRedirect(
Config.InvalidPageIdRedirect,
LogLevel.Info,
HttpStatusCode.NotFound,
"Invalid PageID specified in request URL - redirecting (404) to InvalidPageIdRedirect page.",
null);
}
}
// Save cookies
//saveCookie = true; // Jes1111 - why is this always set to true? is it needed?
//ExtendCookie(settings);
//if (saveCookie) // Jes1111 - why is this always set to true? is it needed?
//{
context.Response.Cookies["PortalAlias"].Path = "/";
context.Response.Cookies["PortalAlias"].Value = portalSettings.PortalAlias;
//}
//Try to get alias from cookie to determine if alias has been changed
bool refreshSite = false;
if (context.Request.Cookies["PortalAlias"] != null &&
context.Request.Cookies["PortalAlias"].Value.ToLower() != Portal.UniqueID)
{
refreshSite = true; //Portal has changed since last page request
}
// if switching portals then clean parameters [TipTopWeb]
// Must be the last instruction in this method
// 5/7/2006 Ed Daniel
// Added hack for Http 302 by extending condition below to check for more than 3 cookies
if (refreshSite && context.Request.Cookies.Keys.Count > 3)
{
// Signout and force the browser to refresh only once to avoid any dead-lock
if (context.Request.Cookies["refreshed"] == null ||
(context.Request.Cookies["refreshed"] != null &&
context.Response.Cookies["refreshed"].Value == "false"))
{
string rawUrl = context.Request.RawUrl;
// jes1111 - not needed now
// //by Manu avoid endless loop when portal does not exists
// if (rawUrl.EndsWith("init")) // jes1111: is this still valid/needed?
// context.Response.Redirect("~/app_support/ErrorNoPortal.html", true);
//
// // add parameter at the end of the command line to detect the dead-lock
// if (rawUrl.LastIndexOf(@"?") > 0)
// rawUrl += "&init";
// else rawUrl += "?init";
context.Response.Cookies["refreshed"].Value = "true";
context.Response.Cookies["refreshed"].Path = "/";
context.Response.Cookies["refreshed"].Expires = DateTime.Now.AddMinutes(1);
// sign-out, if refreshed param on the command line we will not call it again
PortalSecurity.SignOut(rawUrl, false);
}
}
// invalidate cookie, so the page can be refreshed when needed
if (context.Request.Cookies["refreshed"] != null && context.Request.Cookies.Keys.Count > 3)
{
context.Response.Cookies["refreshed"].Path = "/";
context.Response.Cookies["refreshed"].Value = "false";
context.Response.Cookies["refreshed"].Expires = DateTime.Now.AddMinutes(1);
}
}
} // end of Application_BeginRequest
} // end of Application_BeginRequest
/// <summary>
/// Handles the AuthenticateRequest event of the Application control.
/// If the client is authenticated with the application, then determine
/// which security roles he/she belongs to and replace the "User" intrinsic
/// with a custom IPrincipal security object that permits "User.IsInRole"
/// role checks within the application
/// Roles are cached in the browser in an in-memory encrypted cookie. If the
/// cookie doesn't exist yet for this session, create it.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="T:System.EventArgs"/> instance containing the event data.</param>
protected void Application_AuthenticateRequest(Object sender, EventArgs e)
{
Reader contextReader = new Reader(new WebContextReader());
HttpContext context = contextReader.Current;
if (context.Items["PortalSettings"] != null)
{
// Obtain PortalSettings from Current Context
PortalSettings portalSettings = (PortalSettings)context.Items["PortalSettings"];
// Auto-login a user who has a portal Alias login cookie
// Try to authenticate the user with the cookie value
if (!context.Request.IsAuthenticated &&
(context.Request.Cookies["Rainbow_" + portalSettings.PortalAlias] != null))
{
if (context.Request.Cookies["Rainbow_" + portalSettings.PortalAlias].Expires > DateTime.Now)
{
string user;
user = context.Request.Cookies["Rainbow_" + portalSettings.PortalAlias.ToLower()].Value;
//jminond - option to kill cookie after certain time always
int minuteAdd = Config.CookieExpire;
// Create the FormsAuthentication cookie
FormsAuthentication.SetAuthCookie(user, true);
// Create a FormsAuthentication ticket.
FormsAuthenticationTicket cTicket = new FormsAuthenticationTicket
(
1, // version
user, // user name
DateTime.Now, // issue time
DateTime.Now.AddMinutes(minuteAdd),
false, // don't persist cookie
string.Empty // roles
);
// Set the current User Security to the FormsAuthenticated User
context.User = new RainbowPrincipal(new FormsIdentity(cTicket), null);
}
}
else
{
// jminond - if user asked to persist, he should have a cookie
if ((context.Request.IsAuthenticated) &&
(context.Request.Cookies["Rainbow_" + portalSettings.PortalAlias] == null))
{
PortalSecurity.KillSession();
}
}
//if (context.Request.IsAuthenticated && !(context.User is WindowsPrincipal))
//{
// // added by Jonathan Fong 22/07/2004 to support LDAP
// //string[] names = Context.User.Identity.Name.Split("|".ToCharArray());
// string[] names = context.User.Identity.Name.Split('|');
// if (names.Length == 3 && names[2].StartsWith("cn="))
// {
// context.User = new RainbowPrincipal(
// new User(context.User.Identity.Name, "LDAP"), LDAPHelper.GetRoles(names[2]));
// }
// else
// {
// // Add our own custom principal to the request containing the roles in the auth ticket
// context.User = new RainbowPrincipal(context.User.Identity, PortalSecurity.GetRoles());
// }
// // Remove Windows specific custom settings
// if (portalSettings.CustomSettings != null)
// portalSettings.CustomSettings.Remove("WindowsAdmins");
//}
// // [email protected] - need to get a unique id for user
//else if (Config.WindowMgmtControls)
//{
// // Need a uid, even for annoymous users
// string annoyUser;
// // cookie bag
// IWebBagHolder abag = BagFactory.instance.create(BagFactory.BagFactoryType.CookieType);
// // user data already set
// annoyUser = (string) abag[GlobalInternalStrings.UserWinMgmtIndex];
// // if no cookie then let's get one
// if (annoyUser == null)
// {
// // new uid for window mgmt
// Guid guid = Guid.NewGuid();
// // save the data into a cookie bag
// abag[GlobalInternalStrings.UserWinMgmtIndex] = guid.ToString();
// }
//}
}
} // end of Application_AuthenticateRequest
