/// <summary>
/// Displays the 400 Bad Request HTTP status page
/// </summary>
/// <returns></returns>
public async Task <ActionResult> BadRequest()
{
var templateRequest = new EastSussexGovUKTemplateRequest(Request);
var model = new HttpStatusViewModel()
{
TemplateHtml = await templateRequest.RequestTemplateHtmlAsync()
};
return(View(model));
}
/// <summary>
/// Responds to a 404 Not Found status by checking for and executing redirects, and displaying the 404 HTTP status page otherwise
/// </summary>
/// <returns></returns>
public async Task <ActionResult> NotFound()
{
var requestedPath = new NotFoundRequestPathResolver().NormaliseRequestedPath(Request.Url);
// Dereference linked data URIs
// Linked data has separate URIs for things and documentation about those things. Try to match the URI for a thing and redirect to its documentation.
ActionResult redirectResult;
if (!String.IsNullOrEmpty(ConfigurationManager.AppSettings["SchoolUrl"]))
{
var schoolUrl = String.Format(CultureInfo.InvariantCulture, ConfigurationManager.AppSettings["SchoolUrl"], "$1");
redirectResult = TryUriPattern(requestedPath, "^id/school/([0-9]+)$", schoolUrl, 303, Response.Headers);
if (redirectResult != null)
{
return(redirectResult);
}
redirectResult = TryUriPattern(requestedPath, "^id/school/([0-9]+)/closure/[0-9]+$", schoolUrl, 303, Response.Headers);
if (redirectResult != null)
{
return(redirectResult);
}
}
// See if it's a short URL for activating a service
string guidPattern = "[A-Fa-f0-9]{8,8}-[A-Fa-f0-9]{4,4}-[A-Fa-f0-9]{4,4}-[A-Fa-f0-9]{4,4}-[A-Fa-f0-9]{12,12}";
redirectResult = TryUriPattern(requestedPath, @"^schs\?c=(" + guidPattern + ")$", "https://" + Request.Url.Authority + "/educationandlearning/schools/schoolclosures/closurealertactivate.aspx?code=$1", 303, Response.Headers);
if (redirectResult != null)
{
return(redirectResult);
}
redirectResult = TryUriPattern(requestedPath, @"^schu\?c=(" + guidPattern + ")$", "https://" + Request.Url.Authority + "/educationandlearning/schools/schoolclosures/closurealertdeactivate.aspx?code=$1", 303, Response.Headers);
if (redirectResult != null)
{
return(redirectResult);
}
if (TryShortOrMovedUrl(requestedPath))
{
// redirect matched and followed - stop processing
return(null);
}
// If no redirects matched, show the 404 page
var templateRequest = new EastSussexGovUKTemplateRequest(Request);
var model = new HttpStatusViewModel()
{
TemplateHtml = await templateRequest.RequestTemplateHtmlAsync()
};
return(View(model));
}
/// <summary>
/// Displays the 500 Internal Server Error HTTP status page
/// </summary>
/// <returns></returns>
public async Task <ActionResult> InternalServerError()
{
RandomDelay();
var templateRequest = new EastSussexGovUKTemplateRequest(Request);
var model = new HttpStatusViewModel()
{
TemplateHtml = await templateRequest.RequestTemplateHtmlAsync()
};
return(View(model));
}