System.Web.IHttpHandler IRouteHandler.GetHttpHandler( RequestContext requestContext )
{
if ( requestContext == null )
{
throw new ArgumentNullException( "requestContext" );
}
try
{
var siteCookie = requestContext.HttpContext.Request.Cookies["last_site"];
string pageId = "";
int routeId = 0;
var parms = new Dictionary<string, string>();
// Pages using the default routing URL will have the page id in the RouteData.Values collection
if ( requestContext.RouteData.Values["PageId"] != null )
{
pageId = (string)requestContext.RouteData.Values["PageId"];
}
// Pages that use a custom URL route will have the page id in the RouteDate.DataTokens collection
else if ( requestContext.RouteData.DataTokens["PageRoutes"] != null )
{
var pageAndRouteIds = requestContext.RouteData.DataTokens["PageRoutes"] as List<PageAndRouteId>;
if ( pageAndRouteIds != null && pageAndRouteIds.Count > 0 )
{
// Default to first site/page
if ( pageAndRouteIds.Count >= 1 )
{
var pageAndRouteId = pageAndRouteIds.First();
pageId = pageAndRouteId.PageId.ToJson();
routeId = pageAndRouteId.RouteId;
}
// Then check to see if any can be matched by site
if ( pageAndRouteIds.Count > 1 )
{
SiteCache site = SiteCache.GetSiteByDomain( requestContext.HttpContext.Request.Url.Host );
if ( site == null )
{
// Use last site
if ( siteCookie != null && siteCookie.Value != null )
{
site = SiteCache.Read( siteCookie.Value.AsInteger() );
}
}
if ( site != null )
{
foreach ( var pageAndRouteId in pageAndRouteIds )
{
var pageCache = PageCache.Read( pageAndRouteId.PageId );
if ( pageCache != null && pageCache.Layout != null && pageCache.Layout.SiteId == site.Id )
{
pageId = pageAndRouteId.PageId.ToJson();
routeId = pageAndRouteId.RouteId;
break;
}
}
}
}
}
foreach ( var routeParm in requestContext.RouteData.Values )
{
parms.Add( routeParm.Key, (string)routeParm.Value );
}
}
// If page has not been specified get the site by the domain and use the site's default page
if ( string.IsNullOrEmpty( pageId ) )
{
SiteCache site = SiteCache.GetSiteByDomain( requestContext.HttpContext.Request.Url.Host );
if ( site == null )
{
// Use last site
if ( siteCookie != null && siteCookie.Value != null )
{
site = SiteCache.Read( siteCookie.Value.AsInteger() );
}
}
// if not found use the default site
if ( site == null )
{
site = SiteCache.Read( SystemGuid.Site.SITE_ROCK_INTERNAL.AsGuid() );
}
if ( site != null )
{
// If site has has been enabled for mobile redirect, then we'll need to check what type of device is being used
if ( site.EnableMobileRedirect )
{
bool redirect = false;
// get the device type
string u = requestContext.HttpContext.Request.UserAgent;
var clientType = PageViewUserAgent.GetClientType( u );
// first check if device is a mobile device
if ( clientType == "Mobile" )
{
redirect = true;
}
// if not, mobile device and tables should be redirected also, check if device is a tablet
if ( !redirect && site.RedirectTablets )
{
if ( clientType == "Tablet" )
{
redirect = true;
}
}
if ( redirect )
{
if ( site.MobilePageId.HasValue )
{
pageId = site.MobilePageId.Value.ToString();
}
else if ( !string.IsNullOrWhiteSpace( site.ExternalUrl ) )
{
requestContext.HttpContext.Response.Redirect( site.ExternalUrl );
return null;
}
}
}
if ( string.IsNullOrWhiteSpace( pageId ) )
{
if ( site.DefaultPageId.HasValue )
{
pageId = site.DefaultPageId.Value.ToString();
}
if ( site.DefaultPageRouteId.HasValue )
{
routeId = site.DefaultPageRouteId.Value;
}
}
}
if ( string.IsNullOrEmpty( pageId ) )
{
throw new SystemException( "Invalid Site Configuration" );
}
}
PageCache page = null;
if ( !string.IsNullOrEmpty( pageId ) )
{
int pageIdNumber = 0;
if ( Int32.TryParse( pageId, out pageIdNumber ) )
{
page = PageCache.Read( pageIdNumber );
}
}
if ( page == null )
{
// try to get site's 404 page
SiteCache site = SiteCache.GetSiteByDomain( requestContext.HttpContext.Request.Url.Host );
if ( site == null )
{
// Use last site
if ( siteCookie != null && siteCookie.Value != null )
{
site = SiteCache.Read( siteCookie.Value.AsInteger() );
}
}
if ( site != null && site.PageNotFoundPageId != null )
{
if ( Convert.ToBoolean( GlobalAttributesCache.Read().GetValue( "Log404AsException" ) ) )
{
Rock.Model.ExceptionLogService.LogException(
new Exception( string.Format( "404 Error: {0}", requestContext.HttpContext.Request.Url.AbsoluteUri ) ),
requestContext.HttpContext.ApplicationInstance.Context );
}
page = PageCache.Read( site.PageNotFoundPageId ?? 0 );
}
else
{
// no 404 page found for the site, return the default 404 error page
return (System.Web.UI.Page)BuildManager.CreateInstanceFromVirtualPath( "~/Http404Error.aspx", typeof( System.Web.UI.Page ) );
}
}
string theme = page.Layout.Site.Theme;
string layout = page.Layout.FileName;
string layoutPath = PageCache.FormatPath( theme, layout );
if ( siteCookie == null )
{
siteCookie = new System.Web.HttpCookie( "last_site", page.Layout.SiteId.ToString() );
}
else
{
siteCookie.Value = page.Layout.SiteId.ToString();
}
requestContext.HttpContext.Response.SetCookie( siteCookie );
try
{
// Return the page for the selected theme and layout
Rock.Web.UI.RockPage cmsPage = (Rock.Web.UI.RockPage)BuildManager.CreateInstanceFromVirtualPath( layoutPath, typeof( Rock.Web.UI.RockPage ) );
cmsPage.SetPage( page );
cmsPage.PageReference = new PageReference( page.Id, routeId, parms, requestContext.HttpContext.Request.QueryString );
return cmsPage;
}
catch ( System.Web.HttpException )
{
// The Selected theme and/or layout didn't exist, attempt first to use the layout in the default theme.
theme = "Rock";
// If not using the default layout, verify that Layout exists in the default theme directory
if ( layout != "FullWidth" &&
!File.Exists( requestContext.HttpContext.Server.MapPath( string.Format( "~/Themes/Rock/Layouts/{0}.aspx", layout ) ) ) )
{
// If selected layout doesn't exist in the default theme, switch to the Default layout
layout = "FullWidth";
}
// Build the path to the aspx file to
layoutPath = PageCache.FormatPath( theme, layout );
// Return the default layout and/or theme
Rock.Web.UI.RockPage cmsPage = (Rock.Web.UI.RockPage)BuildManager.CreateInstanceFromVirtualPath( layoutPath, typeof( Rock.Web.UI.RockPage ) );
cmsPage.SetPage( page );
cmsPage.PageReference = new PageReference( page.Id, routeId, parms, requestContext.HttpContext.Request.QueryString );
return cmsPage;
}
}
catch (Exception ex)
{
if ( requestContext.HttpContext != null )
{
requestContext.HttpContext.Cache["RockExceptionOrder"] = "66";
requestContext.HttpContext.Cache["RockLastException"] = ex;
}
System.Web.UI.Page errorPage = (System.Web.UI.Page)BuildManager.CreateInstanceFromVirtualPath( "~/Error.aspx", typeof( System.Web.UI.Page ) );
return errorPage;
}
}
