| public static Show404MessageFull ( bool bResponseEnd ) : void | ||
| bResponseEnd | bool | |
| Результат | void | |
public static void Show404MessageFull(bool bResponseEnd)
{
HttpContext context = HttpContext.Current;
context.Response.StatusCode = 404;
context.Response.AppendHeader("Status", "HTTP/1.1 404 Object Not Found");
context.Response.Cache.SetLastModified(DateTime.Today.Date);
//context.Response.Write("<h2>404 Not Found</h2><p>HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable. Please review the following URL and make sure that it is spelled correctly. </p>");
Exception errInner = new Exception("The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable. Please review the following URL and make sure that it is spelled correctly.");
HttpException err = new HttpException(404, "File or directory not found.", errInner);
context.Response.Write(FormatErrorOutput(err));
if (bResponseEnd) {
context.Response.End();
}
}
public void ProcessRequest(HttpContext context)
{
using (ISiteNavHelper navHelper = SiteNavFactory.GetSiteNavHelper()) {
SiteNav navData = null;
string sFileRequested = context.Request.Path;
sRequestedURL = sFileRequested;
string sScrubbedURL = sFileRequested;
sRequestedURL = SiteData.AppendDefaultPath(sRequestedURL);
try {
sScrubbedURL = SiteData.AlternateCurrentScriptName;
if (sScrubbedURL.ToLower() != sRequestedURL.ToLower())
{
sFileRequested = sScrubbedURL;
bURLOverride = true;
}
VirtualDirectory.RegisterRoutes();
} catch (Exception ex) {
//assumption is database is probably empty / needs updating, so trigger the under construction view
if (DatabaseUpdate.SystemNeedsChecking(ex) || DatabaseUpdate.AreCMSTablesIncomplete())
{
if (navData == null)
{
navData = SiteNavHelper.GetEmptyHome();
}
}
else
{
//something bad has gone down, toss back the error
throw;
}
}
sFileRequested = SiteData.AppendDefaultPath(sFileRequested);
if (context.User.Identity.IsAuthenticated)
{
try {
if (context.Request.UrlReferrer != null && !string.IsNullOrEmpty(context.Request.UrlReferrer.AbsolutePath))
{
if (context.Request.UrlReferrer.AbsolutePath.ToLower().Contains(FormsAuthentication.LoginUrl.ToLower()) ||
FormsAuthentication.LoginUrl.ToLower() == sFileRequested.ToLower())
{
if (SiteFilename.DashboardURL.ToLower() != sFileRequested.ToLower() &&
SiteFilename.SiteInfoURL.ToLower() != sFileRequested.ToLower())
{
sFileRequested = SiteData.AdminDefaultFile;
}
}
}
} catch (Exception ex) { }
}
if (sFileRequested.ToLower().EndsWith(".aspx") || SiteData.IsLikelyHomePage(sFileRequested))
{
bool bIgnorePublishState = SecurityData.AdvancedEditMode || SecurityData.IsAdmin || SecurityData.IsSiteEditor;
string queryString = String.Empty;
queryString = context.Request.QueryString.ToString();
if (string.IsNullOrEmpty(queryString))
{
queryString = String.Empty;
}
if (!CMSConfigHelper.CheckRequestedFileExistence(sFileRequested, SiteData.CurrentSiteID) || SiteData.IsLikelyHomePage(sFileRequested))
{
context.Items[REQ_PATH] = context.Request.PathInfo;
context.Items[REQ_QUERY] = context.Request.QueryString.ToString();
// handle a case where this site was migrated from a format where all pages varied on a consistent querystring
// allow this QS parm to be set in a config file.
if (SiteData.IsLikelyHomePage(sFileRequested))
{
string sParm = String.Empty;
if (SiteData.OldSiteQuerystring != string.Empty)
{
if (context.Request.QueryString[SiteData.OldSiteQuerystring] != null)
{
sParm = context.Request.QueryString[SiteData.OldSiteQuerystring].ToString();
}
}
if (!string.IsNullOrEmpty(sParm))
{
sFileRequested = "/" + sParm + ".aspx";
SiteData.Show301Message(sFileRequested);
context.Response.Redirect(sFileRequested);
context.Items[REQ_PATH] = sFileRequested;
context.Items[REQ_QUERY] = String.Empty;
}
}
try {
//periodic test of database up-to-dated-ness
if (DatabaseUpdate.TablesIncomplete)
{
navData = SiteNavHelper.GetEmptyHome();
}
else
{
bool bIsHomePage = false;
if (SiteData.IsLikelyHomePage(sFileRequested))
{
navData = navHelper.FindHome(SiteData.CurrentSiteID, !bIgnorePublishState);
if (SiteData.IsLikelyHomePage(sFileRequested) && navData != null)
{
sFileRequested = navData.FileName;
bIsHomePage = true;
}
}
if (!bIsHomePage)
{
string pageName = sFileRequested;
navData = navHelper.GetLatestVersion(SiteData.CurrentSiteID, !bIgnorePublishState, pageName);
}
if (SiteData.IsLikelyHomePage(sFileRequested) && navData == null)
{
navData = SiteNavHelper.GetEmptyHome();
}
}
} catch (Exception ex) {
//assumption is database is probably empty / needs updating, so trigger the under construction view
if (DatabaseUpdate.SystemNeedsChecking(ex) || DatabaseUpdate.AreCMSTablesIncomplete())
{
if (navData == null)
{
navData = SiteNavHelper.GetEmptyHome();
}
}
else
{
//something bad has gone down, toss back the error
throw;
}
}
if (navData != null)
{
string sSelectedTemplate = navData.TemplateFile;
// selectivly engage the cms helper only if in advance mode
if (SecurityData.AdvancedEditMode)
{
using (CMSConfigHelper cmsHelper = new CMSConfigHelper()) {
if (cmsHelper.cmsAdminContent != null)
{
try { sSelectedTemplate = cmsHelper.cmsAdminContent.TemplateFile.ToLower(); } catch { }
}
}
}
if (!CMSConfigHelper.CheckFileExistence(sSelectedTemplate))
{
sSelectedTemplate = SiteData.DefaultTemplateFilename;
}
sVirtualReqFile = sFileRequested;
if (bURLOverride)
{
sVirtualReqFile = sRequestedURL;
sFileRequested = sRequestedURL;
}
RewriteCMSPath(context, sSelectedTemplate, queryString);
}
else
{
SiteData.PerformRedirectToErrorPage(404, sFileRequested);
SiteData.Show404MessageFull(true);
}
}
else
{
sVirtualReqFile = sFileRequested;
RewriteCMSPath(context, sVirtualReqFile, queryString);
}
}
context.ApplicationInstance.CompleteRequest();
}
}