713 lines
31 KiB
C#
713 lines
31 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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using System.Web;
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using System.Web.Mvc;
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using System.Web.Routing;
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using LightInject;
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using Microsoft.Web.Infrastructure.DynamicModuleHelper;
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using Umbraco.Core;
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using Umbraco.Core.Configuration;
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using Umbraco.Core.IO;
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using Umbraco.Core.Logging;
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using Umbraco.Web.Routing;
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using Umbraco.Web.Security;
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using Umbraco.Core.Collections;
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using Umbraco.Core.Configuration.UmbracoSettings;
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using Umbraco.Core.Exceptions;
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using Umbraco.Core.Models.PublishedContent;
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using Umbraco.Core.Persistence;
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using Umbraco.Core.Security;
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using Umbraco.Core.Services;
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using Umbraco.Web.Composing;
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using Umbraco.Web.PublishedCache;
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[assembly: PreApplicationStartMethod(typeof(Umbraco.Web.ContainerUmbracoModule), "Start")]
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namespace Umbraco.Web
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{
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public class ContainerUmbracoModule : IHttpModule
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{
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private UmbracoModule umbracoModule;
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public static void Start()
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{
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DynamicModuleUtility.RegisterModule(typeof(ContainerUmbracoModule));
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}
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public ContainerUmbracoModule()
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{
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}
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public void Init(HttpApplication context)
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{
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// Should be extended with lazy list of modules from registry
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// Example here: https://haacked.com/archive/2011/06/03/dependency-injection-with-asp-net-httpmodules.aspx/
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umbracoModule = Current.Container.GetInstance<UmbracoModule>();
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umbracoModule.Init(context);
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}
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public void Dispose()
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{
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umbracoModule.Dispose();
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}
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}
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// also look at IOHelper.ResolveUrlsFromTextString - nightmarish?!
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// context.RewritePath supports ~/ or else must begin with /vdir
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// Request.RawUrl is still there
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// response.Redirect does?! always remap to /vdir?!
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public class UmbracoModule : IHttpModule
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{
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#region Dependencies
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// modules are *not* instanciated by the container so we have to
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// get our dependencies injected manually, through properties, in
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// Init(). works for dependencies that are singletons.
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public IUmbracoSettingsSection UmbracoSettings { get; set; }
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public IGlobalSettings GlobalSettings { get; set; }
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public IUmbracoContextAccessor UmbracoContextAccessor { get; set; }
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public IPublishedSnapshotService PublishedSnapshotService { get; set; }
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public IUserService UserService { get; set; }
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public UrlProviderCollection UrlProviders { get; set; }
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public IRuntimeState Runtime { get; set; }
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public ILogger Logger { get; set; }
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internal PublishedRouter PublishedRouter { get; set; }
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internal IUmbracoDatabaseFactory DatabaseFactory { get; set; }
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internal IVariationContextAccessor VariationContextAccessor { get; set; }
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#endregion
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public UmbracoModule(
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IUmbracoSettingsSection umbracoSettings,
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IGlobalSettings globalSettings,
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IUmbracoContextAccessor umbracoContextAccessor,
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IPublishedSnapshotService publishedSnapshotService,
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IUserService userService,
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UrlProviderCollection urlProviders,
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IRuntimeState runtime,
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ILogger logger,
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PublishedRouter publishedRouter,
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IUmbracoDatabaseFactory databaseFactory,
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IVariationContextAccessor variationContextAccessor
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)
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{
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_combinedRouteCollection = new Lazy<RouteCollection>(CreateRouteCollection);
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UmbracoSettings = umbracoSettings;
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GlobalSettings = globalSettings;
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UmbracoContextAccessor = umbracoContextAccessor;
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PublishedSnapshotService = publishedSnapshotService;
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UserService = userService;
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UrlProviders = urlProviders;
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Runtime = runtime;
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Logger = logger;
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PublishedRouter = publishedRouter;
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DatabaseFactory = databaseFactory;
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VariationContextAccessor = variationContextAccessor;
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}
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#region HttpModule event handlers
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/// <summary>
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/// Begins to process a request.
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/// </summary>
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/// <param name="httpContext"></param>
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private void BeginRequest(HttpContextBase httpContext)
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{
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// ensure application url is initialized
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((RuntimeState) Current.RuntimeState).EnsureApplicationUrl(httpContext.Request);
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// do not process if client-side request
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if (httpContext.Request.Url.IsClientSideRequest())
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return;
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// write the trace output for diagnostics at the end of the request
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httpContext.Trace.Write("UmbracoModule", "Umbraco request begins");
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// ok, process
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// create the LegacyRequestInitializer
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// and initialize legacy stuff
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var legacyRequestInitializer = new LegacyRequestInitializer(httpContext.Request.Url, httpContext);
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legacyRequestInitializer.InitializeRequest();
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// create the UmbracoContext singleton, one per request, and assign
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// replace existing if any (eg during app startup, a temp one is created)
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UmbracoContext.EnsureContext(
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UmbracoContextAccessor,
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httpContext,
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PublishedSnapshotService,
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new WebSecurity(httpContext, UserService, GlobalSettings),
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UmbracoConfig.For.UmbracoSettings(),
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UrlProviders,
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GlobalSettings,
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VariationContextAccessor,
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true);
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}
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/// <summary>
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/// Processses the Umbraco Request
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/// </summary>
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/// <param name="httpContext"></param>
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/// <remarks>
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///
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/// This will check if we are trying to route to the default back office page (i.e. ~/Umbraco/ or ~/Umbraco or ~/Umbraco/Default )
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/// and ensure that the MVC handler executes for that. This is required because the route for /Umbraco will never execute because
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/// files/folders exist there and we cannot set the RouteCollection.RouteExistingFiles = true since that will muck a lot of other things up.
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/// So we handle it here and explicitly execute the MVC controller.
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///
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/// </remarks>
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void ProcessRequest(HttpContextBase httpContext)
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{
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// do not process if client-side request
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if (httpContext.Request.Url.IsClientSideRequest())
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return;
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if (UmbracoContext.Current == null)
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throw new InvalidOperationException("The UmbracoContext.Current is null, ProcessRequest cannot proceed unless there is a current UmbracoContext");
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var umbracoContext = UmbracoContext.Current;
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// re-write for the default back office path
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if (httpContext.Request.Url.IsDefaultBackOfficeRequest(GlobalSettings))
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{
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if (EnsureRuntime(httpContext, umbracoContext.OriginalRequestUrl))
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RewriteToBackOfficeHandler(httpContext);
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return;
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}
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// do not process if this request is not a front-end routable page
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var isRoutableAttempt = EnsureUmbracoRoutablePage(umbracoContext, httpContext);
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// raise event here
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OnRouteAttempt(new RoutableAttemptEventArgs(isRoutableAttempt.Result, umbracoContext, httpContext));
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if (isRoutableAttempt.Success == false) return;
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httpContext.Trace.Write("UmbracoModule", "Umbraco request confirmed");
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// ok, process
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// note: requestModule.UmbracoRewrite also did some stripping of &umbPage
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// from the querystring... that was in v3.x to fix some issues with pre-forms
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// auth. Paul Sterling confirmed in jan. 2013 that we can get rid of it.
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// instanciate, prepare and process the published content request
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// important to use CleanedUmbracoUrl - lowercase path-only version of the current url
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var request = PublishedRouter.CreateRequest(umbracoContext);
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umbracoContext.PublishedRequest = request;
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PublishedRouter.PrepareRequest(request);
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// HandleHttpResponseStatus returns a value indicating that the request should
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// not be processed any further, eg because it has been redirect. then, exit.
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if (HandleHttpResponseStatus(httpContext, request, Logger))
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return;
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if (request.HasPublishedContent == false)
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httpContext.RemapHandler(new PublishedContentNotFoundHandler());
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else
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RewriteToUmbracoHandler(httpContext, request);
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}
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#endregion
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#region Methods
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/// <summary>
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/// Checks the current request and ensures that it is routable based on the structure of the request and URI
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/// </summary>
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/// <param name="context"></param>
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/// <param name="httpContext"></param>
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/// <returns></returns>
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internal Attempt<EnsureRoutableOutcome> EnsureUmbracoRoutablePage(UmbracoContext context, HttpContextBase httpContext)
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{
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var uri = context.OriginalRequestUrl;
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var reason = EnsureRoutableOutcome.IsRoutable;
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// ensure this is a document request
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if (EnsureDocumentRequest(httpContext, uri) == false)
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{
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reason = EnsureRoutableOutcome.NotDocumentRequest;
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}
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// ensure the runtime is in the proper state
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// and deal with needed redirects, etc
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else if (EnsureRuntime(httpContext, uri) == false)
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{
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reason = EnsureRoutableOutcome.NotReady;
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}
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// ensure Umbraco has documents to serve
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else if (EnsureHasContent(context, httpContext) == false)
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{
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reason = EnsureRoutableOutcome.NoContent;
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}
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return Attempt.If(reason == EnsureRoutableOutcome.IsRoutable, reason);
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}
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/// <summary>
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/// Ensures that the request is a document request (i.e. one that the module should handle)
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/// </summary>
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/// <param name="httpContext"></param>
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/// <param name="uri"></param>
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/// <returns></returns>
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private bool EnsureDocumentRequest(HttpContextBase httpContext, Uri uri)
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{
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var maybeDoc = true;
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var lpath = uri.AbsolutePath.ToLowerInvariant();
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// handle directory-urls used for asmx
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// legacy - what's the point really?
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if (/*maybeDoc &&*/ GlobalSettings.UseDirectoryUrls)
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{
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var asmxPos = lpath.IndexOf(".asmx/", StringComparison.OrdinalIgnoreCase);
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if (asmxPos >= 0)
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{
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// use uri.AbsolutePath, not path, 'cos path has been lowercased
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httpContext.RewritePath(uri.AbsolutePath.Substring(0, asmxPos + 5), // filePath
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uri.AbsolutePath.Substring(asmxPos + 5), // pathInfo
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uri.Query.TrimStart('?'));
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maybeDoc = false;
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}
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}
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// a document request should be
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// /foo/bar/nil
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// /foo/bar/nil/
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// /foo/bar/nil.aspx
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// where /foo is not a reserved path
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// if the path contains an extension that is not .aspx
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// then it cannot be a document request
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var extension = Path.GetExtension(lpath);
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if (maybeDoc && extension.IsNullOrWhiteSpace() == false && extension != ".aspx")
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maybeDoc = false;
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// at that point, either we have no extension, or it is .aspx
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// if the path is reserved then it cannot be a document request
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if (maybeDoc && GlobalSettings.IsReservedPathOrUrl(lpath, httpContext, _combinedRouteCollection.Value))
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maybeDoc = false;
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//NOTE: No need to warn, plus if we do we should log the document, as this message doesn't really tell us anything :)
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//if (!maybeDoc)
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//{
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// Logger.Warn<UmbracoModule>("Not a document");
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//}
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return maybeDoc;
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}
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private bool EnsureRuntime(HttpContextBase httpContext, Uri uri)
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{
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var debug = Runtime.Debug;
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var level = Runtime.Level;
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switch (level)
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{
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case RuntimeLevel.Unknown:
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case RuntimeLevel.Boot:
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// not ready yet, but wait
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ReportRuntime(level, "Umbraco is booting.");
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// let requests pile up and wait for 10s then show the splash anyway
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if (UmbracoConfig.For.UmbracoSettings().Content.EnableSplashWhileLoading == false
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&& ((RuntimeState) Runtime).WaitForRunLevel(TimeSpan.FromSeconds(10))) return true;
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// redirect to booting page
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httpContext.Response.StatusCode = 503; // temp not available
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const string bootUrl = "~/config/splashes/booting.aspx";
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httpContext.Response.AddHeader("Retry-After", debug ? "1" : "30"); // seconds
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httpContext.RewritePath(UriUtility.ToAbsolute(bootUrl) + "?url=" + HttpUtility.UrlEncode(uri.ToString()));
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return false; // cannot serve content
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case RuntimeLevel.BootFailed:
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// redirect to death page
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ReportRuntime(level, "Umbraco has failed.");
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httpContext.Response.StatusCode = 503; // temp not available
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const string deathUrl = "~/config/splashes/death.aspx";
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httpContext.Response.AddHeader("Retry-After", debug ? "1" : "300"); // seconds
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httpContext.RewritePath(UriUtility.ToAbsolute(deathUrl) + "?url=" + HttpUtility.UrlEncode(uri.ToString()));
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return false; // cannot serve content
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case RuntimeLevel.Run:
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// ok
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return true;
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case RuntimeLevel.Install:
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case RuntimeLevel.Upgrade:
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// redirect to install
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ReportRuntime(level, "Umbraco must install or upgrade.");
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var installPath = UriUtility.ToAbsolute(SystemDirectories.Install);
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var installUrl = $"{installPath}/?redir=true&url={HttpUtility.UrlEncode(uri.ToString())}";
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httpContext.Response.Redirect(installUrl, true);
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return false; // cannot serve content
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default:
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throw new NotSupportedException($"Unexpected runtime level: {Current.RuntimeState.Level}.");
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}
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}
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private static bool _reported;
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private static RuntimeLevel _reportedLevel;
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private void ReportRuntime(RuntimeLevel level, string message)
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{
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if (_reported && _reportedLevel == level) return;
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_reported = true;
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_reportedLevel = level;
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Logger.Warn<UmbracoModule>(message);
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}
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// ensures Umbraco has at least one published node
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// if not, rewrites to splash and return false
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// if yes, return true
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private bool EnsureHasContent(UmbracoContext context, HttpContextBase httpContext)
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{
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if (context.ContentCache.HasContent())
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return true;
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Logger.Warn<UmbracoModule>("Umbraco has no content");
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const string noContentUrl = "~/config/splashes/noNodes.aspx";
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httpContext.RewritePath(UriUtility.ToAbsolute(noContentUrl));
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return false;
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}
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// returns a value indicating whether redirection took place and the request has
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// been completed - because we don't want to Response.End() here to terminate
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// everything properly.
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internal static bool HandleHttpResponseStatus(HttpContextBase context, PublishedRequest pcr, ILogger logger)
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{
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var end = false;
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var response = context.Response;
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logger.Debug<UmbracoModule>(() => $"Response status: Redirect={(pcr.IsRedirect ? (pcr.IsRedirectPermanent ? "permanent" : "redirect") : "none")}, Is404={(pcr.Is404 ? "true" : "false")}, StatusCode={pcr.ResponseStatusCode}");
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if(pcr.Cacheability != default)
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response.Cache.SetCacheability(pcr.Cacheability);
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foreach (var cacheExtension in pcr.CacheExtensions)
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response.Cache.AppendCacheExtension(cacheExtension);
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foreach (var header in pcr.Headers)
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response.AppendHeader(header.Key, header.Value);
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if (pcr.IsRedirect)
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{
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if (pcr.IsRedirectPermanent)
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response.RedirectPermanent(pcr.RedirectUrl, false); // do not end response
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else
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response.Redirect(pcr.RedirectUrl, false); // do not end response
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end = true;
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}
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else if (pcr.Is404)
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{
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response.StatusCode = 404;
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response.TrySkipIisCustomErrors = UmbracoConfig.For.UmbracoSettings().WebRouting.TrySkipIisCustomErrors;
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if (response.TrySkipIisCustomErrors == false)
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logger.Warn<UmbracoModule>("Status code is 404 yet TrySkipIisCustomErrors is false - IIS will take over.");
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}
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if (pcr.ResponseStatusCode > 0)
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{
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// set status code -- even for redirects
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response.StatusCode = pcr.ResponseStatusCode;
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response.StatusDescription = pcr.ResponseStatusDescription;
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}
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//if (pcr.IsRedirect)
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// response.End(); // end response -- kills the thread and does not return!
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if (pcr.IsRedirect == false) return end;
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response.Flush();
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// bypass everything and directly execute EndRequest event -- but returns
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context.ApplicationInstance.CompleteRequest();
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// though some say that .CompleteRequest() does not properly shutdown the response
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// and the request will hang until the whole code has run... would need to test?
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logger.Debug<UmbracoModule>("Response status: redirecting, complete request now.");
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return end;
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}
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/// <summary>
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/// Rewrites to the default back office page.
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/// </summary>
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/// <param name="context"></param>
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private void RewriteToBackOfficeHandler(HttpContextBase context)
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{
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// GlobalSettings.Path has already been through IOHelper.ResolveUrl() so it begins with / and vdir (if any)
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var rewritePath = GlobalSettings.Path.TrimEnd('/') + "/Default";
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// rewrite the path to the path of the handler (i.e. /umbraco/RenderMvc)
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context.RewritePath(rewritePath, "", "", false);
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//if it is MVC we need to do something special, we are not using TransferRequest as this will
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//require us to rewrite the path with query strings and then reparse the query strings, this would
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//also mean that we need to handle IIS 7 vs pre-IIS 7 differently. Instead we are just going to create
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//an instance of the UrlRoutingModule and call it's PostResolveRequestCache method. This does:
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// * Looks up the route based on the new rewritten URL
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// * Creates the RequestContext with all route parameters and then executes the correct handler that matches the route
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//we also cannot re-create this functionality because the setter for the HttpContext.Request.RequestContext is internal
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//so really, this is pretty much the only way without using Server.TransferRequest and if we did that, we'd have to rethink
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//a bunch of things!
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var urlRouting = new UrlRoutingModule();
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urlRouting.PostResolveRequestCache(context);
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}
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/// <summary>
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/// Rewrites to the Umbraco handler - we always send the request via our MVC rendering engine, this will deal with
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/// requests destined for webforms.
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/// </summary>
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/// <param name="context"></param>
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/// <param name="pcr"> </param>
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private void RewriteToUmbracoHandler(HttpContextBase context, PublishedRequest pcr)
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{
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// NOTE: we do not want to use TransferRequest even though many docs say it is better with IIS7, turns out this is
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// not what we need. The purpose of TransferRequest is to ensure that .net processes all of the rules for the newly
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// rewritten url, but this is not what we want!
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// read: http://forums.iis.net/t/1146511.aspx
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var query = pcr.Uri.Query.TrimStart('?');
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// GlobalSettings.Path has already been through IOHelper.ResolveUrl() so it begins with / and vdir (if any)
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var rewritePath = GlobalSettings.Path.TrimEnd('/') + "/RenderMvc";
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// rewrite the path to the path of the handler (i.e. /umbraco/RenderMvc)
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context.RewritePath(rewritePath, "", query, false);
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//if it is MVC we need to do something special, we are not using TransferRequest as this will
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//require us to rewrite the path with query strings and then reparse the query strings, this would
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//also mean that we need to handle IIS 7 vs pre-IIS 7 differently. Instead we are just going to create
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//an instance of the UrlRoutingModule and call it's PostResolveRequestCache method. This does:
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// * Looks up the route based on the new rewritten URL
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|
// * Creates the RequestContext with all route parameters and then executes the correct handler that matches the route
|
|
//we also cannot re-create this functionality because the setter for the HttpContext.Request.RequestContext is internal
|
|
//so really, this is pretty much the only way without using Server.TransferRequest and if we did that, we'd have to rethink
|
|
//a bunch of things!
|
|
var urlRouting = new UrlRoutingModule();
|
|
urlRouting.PostResolveRequestCache(context);
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// Any object that is in the HttpContext.Items collection that is IDisposable will get disposed on the end of the request
|
|
/// </summary>
|
|
/// <param name="http"></param>
|
|
private void DisposeHttpContextItems(HttpContext http)
|
|
{
|
|
// do not process if client-side request
|
|
if (http.Request.Url.IsClientSideRequest())
|
|
return;
|
|
|
|
//get a list of keys to dispose
|
|
var keys = new HashSet<object>();
|
|
foreach (DictionaryEntry i in http.Items)
|
|
{
|
|
if (i.Value is IDisposeOnRequestEnd || i.Key is IDisposeOnRequestEnd)
|
|
{
|
|
keys.Add(i.Key);
|
|
}
|
|
}
|
|
//dispose each item and key that was found as disposable.
|
|
foreach (var k in keys)
|
|
{
|
|
try
|
|
{
|
|
http.Items[k].DisposeIfDisposable();
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Logger.Error<UmbracoModule>("Could not dispose item with key " + k, ex);
|
|
}
|
|
try
|
|
{
|
|
k.DisposeIfDisposable();
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Logger.Error<UmbracoModule>("Could not dispose item key " + k, ex);
|
|
}
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region IHttpModule
|
|
|
|
/// <summary>
|
|
/// Initialize the module, this will trigger for each new application
|
|
/// and there may be more than 1 application per application domain
|
|
/// </summary>
|
|
/// <param name="app"></param>
|
|
public void Init(HttpApplication app)
|
|
{
|
|
if (Core.Composing.Current.RuntimeState.Level == RuntimeLevel.BootFailed)
|
|
{
|
|
// there's nothing we can do really
|
|
app.BeginRequest += (sender, args) =>
|
|
{
|
|
// would love to avoid throwing, and instead display a customized Umbraco 500
|
|
// page - however if we don't throw here, something else might go wrong, and
|
|
// it's this later exception that would be reported. could not figure out how
|
|
// to prevent it, either with httpContext.Response.End() or .ApplicationInstance
|
|
// .CompleteRequest()
|
|
|
|
// also, if something goes wrong with our DI setup, the logging subsystem may
|
|
// not even kick in, so here we try to give as much detail as possible
|
|
|
|
Exception e = Core.Composing.Current.RuntimeState.BootFailedException;
|
|
if (e == null)
|
|
throw new BootFailedException(BootFailedException.DefaultMessage);
|
|
var m = new StringBuilder();
|
|
m.Append(BootFailedException.DefaultMessage);
|
|
while (e != null)
|
|
{
|
|
m.Append($"\n\n-> {e.GetType().FullName}: {e.Message}");
|
|
if (string.IsNullOrWhiteSpace(e.StackTrace) == false)
|
|
m.Append($"\n{e.StackTrace}");
|
|
e = e.InnerException;
|
|
}
|
|
throw new BootFailedException(m.ToString());
|
|
};
|
|
return;
|
|
}
|
|
|
|
// modules **are** instanciated by the container so we **don't** have to
|
|
// get our dependencies injected manually, through properties.
|
|
//Core.Composing.Current.Container.InjectProperties(this);
|
|
|
|
app.BeginRequest += (sender, e) =>
|
|
{
|
|
var httpContext = ((HttpApplication) sender).Context;
|
|
Logger.Debug<UmbracoModule>(() => $"Begin request: {httpContext.Request.Url}.");
|
|
BeginRequest(new HttpContextWrapper(httpContext));
|
|
};
|
|
|
|
//disable asp.net headers (security)
|
|
// This is the correct place to modify headers according to MS:
|
|
// https://our.umbraco.org/forum/umbraco-7/using-umbraco-7/65241-Heap-error-from-header-manipulation?p=0#comment220889
|
|
app.PostReleaseRequestState += (sender, args) =>
|
|
{
|
|
var httpContext = ((HttpApplication) sender).Context;
|
|
try
|
|
{
|
|
httpContext.Response.Headers.Remove("Server");
|
|
//this doesn't normally work since IIS sets it but we'll keep it here anyways.
|
|
httpContext.Response.Headers.Remove("X-Powered-By");
|
|
httpContext.Response.Headers.Remove("X-AspNet-Version");
|
|
httpContext.Response.Headers.Remove("X-AspNetMvc-Version");
|
|
}
|
|
catch (PlatformNotSupportedException)
|
|
{
|
|
// can't remove headers this way on IIS6 or cassini.
|
|
}
|
|
};
|
|
|
|
app.PostAuthenticateRequest += (sender, e) =>
|
|
{
|
|
var httpContext = ((HttpApplication) sender).Context;
|
|
//ensure the thread culture is set
|
|
httpContext.User?.Identity?.EnsureCulture();
|
|
};
|
|
|
|
app.PostResolveRequestCache += (sender, e) =>
|
|
{
|
|
var httpContext = ((HttpApplication) sender).Context;
|
|
ProcessRequest(new HttpContextWrapper(httpContext));
|
|
};
|
|
|
|
app.EndRequest += (sender, args) =>
|
|
{
|
|
var httpContext = ((HttpApplication) sender).Context;
|
|
|
|
if (UmbracoContext.Current != null && UmbracoContext.Current.IsFrontEndUmbracoRequest)
|
|
{
|
|
Logger.Debug<UmbracoModule>($"End Request. ({DateTime.Now.Subtract(UmbracoContext.Current.ObjectCreated).TotalMilliseconds}ms)");
|
|
}
|
|
|
|
OnEndRequest(new UmbracoRequestEventArgs(UmbracoContext.Current, new HttpContextWrapper(httpContext)));
|
|
|
|
DisposeHttpContextItems(httpContext);
|
|
};
|
|
}
|
|
|
|
public void Dispose()
|
|
{ }
|
|
|
|
#endregion
|
|
|
|
#region Events
|
|
|
|
public static event EventHandler<RoutableAttemptEventArgs> RouteAttempt;
|
|
|
|
private void OnRouteAttempt(RoutableAttemptEventArgs args)
|
|
{
|
|
RouteAttempt?.Invoke(this, args);
|
|
}
|
|
|
|
public static event EventHandler<UmbracoRequestEventArgs> EndRequest;
|
|
|
|
private void OnEndRequest(UmbracoRequestEventArgs args)
|
|
{
|
|
EndRequest?.Invoke(this, args);
|
|
}
|
|
|
|
#endregion
|
|
|
|
/// <summary>
|
|
/// This is used to be passed into the GlobalSettings.IsReservedPathOrUrl and will include some 'fake' routes
|
|
/// used to determine if a path is reserved.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// This is basically used to reserve paths dynamically
|
|
/// </remarks>
|
|
private readonly Lazy<RouteCollection> _combinedRouteCollection;
|
|
|
|
private RouteCollection CreateRouteCollection()
|
|
{
|
|
var routes = new RouteCollection();
|
|
|
|
foreach (var route in RouteTable.Routes)
|
|
routes.Add(route);
|
|
|
|
foreach (var reservedPath in ReservedPaths)
|
|
{
|
|
try
|
|
{
|
|
routes.Add("_umbreserved_" + reservedPath.ReplaceNonAlphanumericChars(""),
|
|
new Route(reservedPath.TrimStart('/'), new StopRoutingHandler()));
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Logger.Error<UmbracoModule>("Could not add reserved path route", ex);
|
|
}
|
|
}
|
|
|
|
return routes;
|
|
}
|
|
|
|
/// <summary>
|
|
/// This is used internally to track any registered callback paths for Identity providers. If the request path matches
|
|
/// any of the registered paths, then the module will let the request keep executing
|
|
/// </summary>
|
|
internal static readonly ConcurrentHashSet<string> ReservedPaths = new ConcurrentHashSet<string>();
|
|
}
|
|
}
|