// initializes a new instance of the UmbracoContext class
// internal for unit tests
// otherwise it's used by EnsureContext above
// warn: does *not* manage setting any IUmbracoContextAccessor
internal UmbracoContext(HttpContextBase httpContext,
IPublishedSnapshotService publishedSnapshotService,
WebSecurity webSecurity,
IUmbracoSettingsSection umbracoSettings,
IEnumerable <IUrlProvider> urlProviders,
IEnumerable <IMediaUrlProvider> mediaUrlProviders,
IGlobalSettings globalSettings,
IVariationContextAccessor variationContextAccessor)
{
if (httpContext == null)
{
throw new ArgumentNullException(nameof(httpContext));
}
if (publishedSnapshotService == null)
{
throw new ArgumentNullException(nameof(publishedSnapshotService));
}
if (webSecurity == null)
{
throw new ArgumentNullException(nameof(webSecurity));
}
if (umbracoSettings == null)
{
throw new ArgumentNullException(nameof(umbracoSettings));
}
if (urlProviders == null)
{
throw new ArgumentNullException(nameof(urlProviders));
}
if (mediaUrlProviders == null)
{
throw new ArgumentNullException(nameof(mediaUrlProviders));
}
VariationContextAccessor = variationContextAccessor ?? throw new ArgumentNullException(nameof(variationContextAccessor));
_globalSettings = globalSettings ?? throw new ArgumentNullException(nameof(globalSettings));
// ensure that this instance is disposed when the request terminates, though we *also* ensure
// this happens in the Umbraco module since the UmbracoCOntext is added to the HttpContext items.
//
// also, it *can* be returned by the container with a PerRequest lifetime, meaning that the
// container *could* also try to dispose it.
//
// all in all, this context may be disposed more than once, but DisposableObject ensures that
// it is ok and it will be actually disposed only once.
httpContext.DisposeOnPipelineCompleted(this);
ObjectCreated = DateTime.Now;
UmbracoRequestId = Guid.NewGuid();
HttpContext = httpContext;
Security = webSecurity;
// beware - we cannot expect a current user here, so detecting preview mode must be a lazy thing
_publishedSnapshot = new Lazy <IPublishedSnapshot>(() => publishedSnapshotService.CreatePublishedSnapshot(PreviewToken));
// set the urls...
// NOTE: The request will not be available during app startup so we can only set this to an absolute URL of localhost, this
// is a work around to being able to access the UmbracoContext during application startup and this will also ensure that people
// 'could' still generate URLs during startup BUT any domain driven URL generation will not work because it is NOT possible to get
// the current domain during application startup.
// see: http://issues.umbraco.org/issue/U4-1890
//
OriginalRequestUrl = GetRequestFromContext()?.Url ?? new Uri("http://localhost");
CleanedUmbracoUrl = UriUtility.UriToUmbraco(OriginalRequestUrl);
UrlProvider = new UrlProvider(this, umbracoSettings.WebRouting, urlProviders, mediaUrlProviders, variationContextAccessor);
}