public async Task InvokeAsync(HttpContext context)
{
//var cultureFeature = context.Features.Get<IRequestCultureFeature>(); //Available after app.UseRequestLocalization(); Could also use CultureInfo.CurrentCulture or CultureInfo.CurrentUICulture.
//var actualCultureLanguage = cultureFeature?.RequestCulture.UICulture.TwoLetterISOLanguageName;
var originalPath = context.Request.Path;
if (!context.Items.ContainsKey("UrlUnlocalized"))
{
context.Items.Add("UrlUnlocalized", true);
if (_options.NonLocalizedUrlHandling == NonLocalizedUrlHandling.Redirect || _options.NonLocalizedUrlHandling == NonLocalizedUrlHandling.Status404NotFound)
{
var localizedPath = _urlLocalizer.LocalizeRequestPath(context.Request.Path.Value);
if (!localizedPath.Equals(context.Request.Path.Value, StringComparison.InvariantCultureIgnoreCase))
{
if (_options.NonLocalizedUrlHandling == NonLocalizedUrlHandling.Status404NotFound)
{
context.Response.StatusCode = StatusCodes.Status404NotFound;
return;
}
else if (_options.NonLocalizedUrlHandling == NonLocalizedUrlHandling.Redirect)
{
var uri = new Uri($"{context.Request.Scheme}://{context.Request.Host}{context.Request.PathBase}{localizedPath}{context.Request.QueryString.ToString()}");
context.Response.Redirect(uri.AbsoluteUri);
return;
}
}
}
var unlocalizedPath = _urlLocalizer.UnlocalizeRequestPath(context.Request.Path.Value);
if (!unlocalizedPath.Equals(context.Request.Path.Value, StringComparison.InvariantCultureIgnoreCase))
{
context.Request.Path = unlocalizedPath;
}
}
await _next(context);
//replace the original url after the remaining middleware has finished processing
context.Request.Path = originalPath;
}
