465 lines
22 KiB
C#
465 lines
22 KiB
C#
using System;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Web;
|
|
using System.Web.Compilation;
|
|
using System.Web.Mvc;
|
|
using System.Web.Routing;
|
|
using System.Web.SessionState;
|
|
using Umbraco.Core;
|
|
using Umbraco.Core.Logging;
|
|
using Umbraco.Core.Configuration;
|
|
using Umbraco.Core.Models;
|
|
using Umbraco.Web.Models;
|
|
using Umbraco.Web.Routing;
|
|
using umbraco.cms.businesslogic.template;
|
|
using System.Collections.Generic;
|
|
|
|
namespace Umbraco.Web.Mvc
|
|
{
|
|
public class RenderRouteHandler : IRouteHandler
|
|
{
|
|
// Define reserved dictionary keys for controller, action and area specified in route additional values data
|
|
private static class ReservedAdditionalKeys
|
|
{
|
|
internal const string Controller = "c";
|
|
internal const string Action = "a";
|
|
internal const string Area = "ar";
|
|
}
|
|
|
|
public RenderRouteHandler(IControllerFactory controllerFactory)
|
|
{
|
|
if (controllerFactory == null) throw new ArgumentNullException("controllerFactory");
|
|
_controllerFactory = controllerFactory;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Contructor generally used for unit testing
|
|
/// </summary>
|
|
/// <param name="controllerFactory"></param>
|
|
/// <param name="umbracoContext"></param>
|
|
internal RenderRouteHandler(IControllerFactory controllerFactory, UmbracoContext umbracoContext)
|
|
{
|
|
if (controllerFactory == null) throw new ArgumentNullException("controllerFactory");
|
|
if (umbracoContext == null) throw new ArgumentNullException("umbracoContext");
|
|
_controllerFactory = controllerFactory;
|
|
_umbracoContext = umbracoContext;
|
|
}
|
|
|
|
private readonly IControllerFactory _controllerFactory;
|
|
private readonly UmbracoContext _umbracoContext;
|
|
|
|
/// <summary>
|
|
/// Returns the current UmbracoContext
|
|
/// </summary>
|
|
public UmbracoContext UmbracoContext
|
|
{
|
|
get { return _umbracoContext ?? UmbracoContext.Current; }
|
|
}
|
|
|
|
#region IRouteHandler Members
|
|
|
|
/// <summary>
|
|
/// Assigns the correct controller based on the Umbraco request and returns a standard MvcHandler to prcess the response,
|
|
/// this also stores the render model into the data tokens for the current RouteData.
|
|
/// </summary>
|
|
/// <param name="requestContext"></param>
|
|
/// <returns></returns>
|
|
public IHttpHandler GetHttpHandler(RequestContext requestContext)
|
|
{
|
|
if (UmbracoContext == null)
|
|
{
|
|
throw new NullReferenceException("There is not current UmbracoContext, it must be initialized before the RenderRouteHandler executes");
|
|
}
|
|
var docRequest = UmbracoContext.PublishedContentRequest;
|
|
if (docRequest == null)
|
|
{
|
|
throw new NullReferenceException("There is not current PublishedContentRequest, it must be initialized before the RenderRouteHandler executes");
|
|
}
|
|
|
|
SetupRouteDataForRequest(
|
|
new RenderModel(docRequest.PublishedContent, docRequest.Culture),
|
|
requestContext,
|
|
docRequest);
|
|
|
|
return GetHandlerForRoute(requestContext, docRequest);
|
|
|
|
}
|
|
|
|
#endregion
|
|
|
|
/// <summary>
|
|
/// Ensures that all of the correct DataTokens are added to the route values which are all required for rendering front-end umbraco views
|
|
/// </summary>
|
|
/// <param name="renderModel"></param>
|
|
/// <param name="requestContext"></param>
|
|
/// <param name="docRequest"></param>
|
|
internal void SetupRouteDataForRequest(RenderModel renderModel, RequestContext requestContext, PublishedContentRequest docRequest)
|
|
{
|
|
//put essential data into the data tokens, the 'umbraco' key is required to be there for the view engine
|
|
requestContext.RouteData.DataTokens.Add("umbraco", renderModel); //required for the RenderModelBinder and view engine
|
|
requestContext.RouteData.DataTokens.Add("umbraco-doc-request", docRequest); //required for RenderMvcController
|
|
requestContext.RouteData.DataTokens.Add("umbraco-context", UmbracoContext); //required for UmbracoTemplatePage
|
|
}
|
|
|
|
private void UpdateRouteDataForRequest(RenderModel renderModel, RequestContext requestContext)
|
|
{
|
|
if (renderModel == null) throw new ArgumentNullException("renderModel");
|
|
if (requestContext == null) throw new ArgumentNullException("requestContext");
|
|
|
|
requestContext.RouteData.DataTokens["umbraco"] = renderModel;
|
|
// the rest should not change -- it's only the published content that has changed
|
|
}
|
|
|
|
/// <summary>
|
|
/// Checks the request and query strings to see if it matches the definition of having a Surface controller
|
|
/// posted/get value, if so, then we return a PostedDataProxyInfo object with the correct information.
|
|
/// </summary>
|
|
/// <param name="requestContext"></param>
|
|
/// <returns></returns>
|
|
private static PostedDataProxyInfo GetFormInfo(RequestContext requestContext)
|
|
{
|
|
if (requestContext == null) throw new ArgumentNullException("requestContext");
|
|
|
|
//if it is a POST/GET then a value must be in the request
|
|
if (requestContext.HttpContext.Request.QueryString["ufprt"].IsNullOrWhiteSpace()
|
|
&& requestContext.HttpContext.Request.Form["ufprt"].IsNullOrWhiteSpace())
|
|
{
|
|
return null;
|
|
}
|
|
|
|
string encodedVal;
|
|
|
|
switch (requestContext.HttpContext.Request.RequestType)
|
|
{
|
|
case "POST":
|
|
//get the value from the request.
|
|
//this field will contain an encrypted version of the surface route vals.
|
|
encodedVal = requestContext.HttpContext.Request.Form["ufprt"];
|
|
break;
|
|
case "GET":
|
|
//this field will contain an encrypted version of the surface route vals.
|
|
encodedVal = requestContext.HttpContext.Request.QueryString["ufprt"];
|
|
break;
|
|
default:
|
|
return null;
|
|
}
|
|
|
|
|
|
string decryptedString;
|
|
try
|
|
{
|
|
decryptedString = encodedVal.DecryptWithMachineKey();
|
|
}
|
|
catch (FormatException)
|
|
{
|
|
LogHelper.Warn<RenderRouteHandler>("A value was detected in the ufprt parameter but Umbraco could not decrypt the string");
|
|
return null;
|
|
}
|
|
|
|
var parsedQueryString = HttpUtility.ParseQueryString(decryptedString);
|
|
var decodedParts = new Dictionary<string, string>();
|
|
|
|
foreach (var key in parsedQueryString.AllKeys)
|
|
{
|
|
decodedParts[key] = parsedQueryString[key];
|
|
}
|
|
|
|
//validate all required keys exist
|
|
|
|
//the controller
|
|
if (decodedParts.All(x => x.Key != ReservedAdditionalKeys.Controller))
|
|
return null;
|
|
//the action
|
|
if (decodedParts.All(x => x.Key != ReservedAdditionalKeys.Action))
|
|
return null;
|
|
//the area
|
|
if (decodedParts.All(x => x.Key != ReservedAdditionalKeys.Area))
|
|
return null;
|
|
|
|
foreach (var item in decodedParts.Where(x => new[] {
|
|
ReservedAdditionalKeys.Controller,
|
|
ReservedAdditionalKeys.Action,
|
|
ReservedAdditionalKeys.Area }.Contains(x.Key) == false))
|
|
{
|
|
// Populate route with additional values which aren't reserved values so they eventually to action parameters
|
|
requestContext.RouteData.Values[item.Key] = item.Value;
|
|
}
|
|
|
|
//return the proxy info without the surface id... could be a local controller.
|
|
return new PostedDataProxyInfo
|
|
{
|
|
ControllerName = HttpUtility.UrlDecode(decodedParts.Single(x => x.Key == ReservedAdditionalKeys.Controller).Value),
|
|
ActionName = HttpUtility.UrlDecode(decodedParts.Single(x => x.Key == ReservedAdditionalKeys.Action).Value),
|
|
Area = HttpUtility.UrlDecode(decodedParts.Single(x => x.Key == ReservedAdditionalKeys.Area).Value),
|
|
};
|
|
}
|
|
|
|
/// <summary>
|
|
/// Handles a posted form to an Umbraco Url and ensures the correct controller is routed to and that
|
|
/// the right DataTokens are set.
|
|
/// </summary>
|
|
/// <param name="requestContext"></param>
|
|
/// <param name="postedInfo"></param>
|
|
private IHttpHandler HandlePostedValues(RequestContext requestContext, PostedDataProxyInfo postedInfo)
|
|
{
|
|
if (requestContext == null) throw new ArgumentNullException("requestContext");
|
|
if (postedInfo == null) throw new ArgumentNullException("postedInfo");
|
|
|
|
//set the standard route values/tokens
|
|
requestContext.RouteData.Values["controller"] = postedInfo.ControllerName;
|
|
requestContext.RouteData.Values["action"] = postedInfo.ActionName;
|
|
|
|
IHttpHandler handler;
|
|
|
|
//get the route from the defined routes
|
|
using (RouteTable.Routes.GetReadLock())
|
|
{
|
|
Route surfaceRoute;
|
|
if (postedInfo.Area.IsNullOrWhiteSpace())
|
|
{
|
|
//find the controller in the route table without an area
|
|
var surfaceRoutes = RouteTable.Routes.OfType<Route>()
|
|
.Where(x => x.Defaults != null &&
|
|
x.Defaults.ContainsKey("controller") &&
|
|
x.Defaults["controller"].ToString().InvariantEquals(postedInfo.ControllerName) &&
|
|
x.DataTokens.ContainsKey("area") == false).ToList();
|
|
|
|
// If more than one route is found, find one with a matching action
|
|
if (surfaceRoutes.Count() > 1)
|
|
{
|
|
surfaceRoute = surfaceRoutes.FirstOrDefault(x =>
|
|
x.Defaults["action"] != null &&
|
|
x.Defaults["action"].ToString().InvariantEquals(postedInfo.ActionName));
|
|
}
|
|
else
|
|
{
|
|
surfaceRoute = surfaceRoutes.SingleOrDefault();
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
//find the controller in the route table with the specified area
|
|
surfaceRoute = RouteTable.Routes.OfType<Route>()
|
|
.SingleOrDefault(x => x.Defaults != null &&
|
|
x.Defaults.ContainsKey("controller") &&
|
|
x.Defaults["controller"].ToString().InvariantEquals(postedInfo.ControllerName) &&
|
|
x.DataTokens.ContainsKey("area") &&
|
|
x.DataTokens["area"].ToString().InvariantEquals(postedInfo.Area));
|
|
}
|
|
|
|
if (surfaceRoute == null)
|
|
throw new InvalidOperationException("Could not find a Surface controller route in the RouteTable for controller name " + postedInfo.ControllerName);
|
|
|
|
//set the area if one is there.
|
|
if (surfaceRoute.DataTokens.ContainsKey("area"))
|
|
{
|
|
requestContext.RouteData.DataTokens["area"] = surfaceRoute.DataTokens["area"];
|
|
}
|
|
|
|
//set the 'Namespaces' token so the controller factory knows where to look to construct it
|
|
if (surfaceRoute.DataTokens.ContainsKey("Namespaces"))
|
|
{
|
|
requestContext.RouteData.DataTokens["Namespaces"] = surfaceRoute.DataTokens["Namespaces"];
|
|
}
|
|
handler = surfaceRoute.RouteHandler.GetHttpHandler(requestContext);
|
|
|
|
}
|
|
|
|
return handler;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns a RouteDefinition object based on the current renderModel
|
|
/// </summary>
|
|
/// <param name="requestContext"></param>
|
|
/// <param name="publishedContentRequest"></param>
|
|
/// <returns></returns>
|
|
internal virtual RouteDefinition GetUmbracoRouteDefinition(RequestContext requestContext, PublishedContentRequest publishedContentRequest)
|
|
{
|
|
if (requestContext == null) throw new ArgumentNullException("requestContext");
|
|
if (publishedContentRequest == null) throw new ArgumentNullException("publishedContentRequest");
|
|
|
|
var defaultControllerType = DefaultRenderMvcControllerResolver.Current.GetDefaultControllerType();
|
|
var defaultControllerName = ControllerExtensions.GetControllerName(defaultControllerType);
|
|
//creates the default route definition which maps to the 'UmbracoController' controller
|
|
var def = new RouteDefinition
|
|
{
|
|
ControllerName = defaultControllerName,
|
|
ControllerType = defaultControllerType,
|
|
PublishedContentRequest = publishedContentRequest,
|
|
ActionName = ((Route)requestContext.RouteData.Route).Defaults["action"].ToString(),
|
|
HasHijackedRoute = false
|
|
};
|
|
|
|
//check that a template is defined), if it doesn't and there is a hijacked route it will just route
|
|
// to the index Action
|
|
if (publishedContentRequest.HasTemplate)
|
|
{
|
|
//the template Alias should always be already saved with a safe name.
|
|
//if there are hyphens in the name and there is a hijacked route, then the Action will need to be attributed
|
|
// with the action name attribute.
|
|
var templateName = publishedContentRequest.TemplateAlias.Split('.')[0].ToSafeAlias();
|
|
def.ActionName = templateName;
|
|
}
|
|
|
|
//check if there's a custom controller assigned, base on the document type alias.
|
|
var controllerType = _controllerFactory.GetControllerTypeInternal(requestContext, publishedContentRequest.PublishedContent.DocumentTypeAlias);
|
|
|
|
//check if that controller exists
|
|
if (controllerType != null)
|
|
{
|
|
//ensure the controller is of type 'IRenderMvcController' and ControllerBase
|
|
if (TypeHelper.IsTypeAssignableFrom<IRenderMvcController>(controllerType)
|
|
&& TypeHelper.IsTypeAssignableFrom<ControllerBase>(controllerType))
|
|
{
|
|
//set the controller and name to the custom one
|
|
def.ControllerType = controllerType;
|
|
def.ControllerName = ControllerExtensions.GetControllerName(controllerType);
|
|
if (def.ControllerName != defaultControllerName)
|
|
{
|
|
def.HasHijackedRoute = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
LogHelper.Warn<RenderRouteHandler>(
|
|
"The current Document Type {0} matches a locally declared controller of type {1}. Custom Controllers for Umbraco routing must implement '{2}' and inherit from '{3}'.",
|
|
() => publishedContentRequest.PublishedContent.DocumentTypeAlias,
|
|
() => controllerType.FullName,
|
|
() => typeof(IRenderMvcController).FullName,
|
|
() => typeof(ControllerBase).FullName);
|
|
|
|
//we cannot route to this custom controller since it is not of the correct type so we'll continue with the defaults
|
|
// that have already been set above.
|
|
}
|
|
}
|
|
|
|
//store the route definition
|
|
requestContext.RouteData.DataTokens["umbraco-route-def"] = def;
|
|
|
|
return def;
|
|
}
|
|
|
|
internal IHttpHandler GetHandlerOnMissingTemplate(PublishedContentRequest pcr)
|
|
{
|
|
if (pcr == null) throw new ArgumentNullException("pcr");
|
|
|
|
// missing template, so we're in a 404 here
|
|
// so the content, if any, is a custom 404 page of some sort
|
|
|
|
if (!pcr.HasPublishedContent)
|
|
// means the builder could not find a proper document to handle 404
|
|
return new PublishedContentNotFoundHandler();
|
|
|
|
if (!pcr.HasTemplate)
|
|
// means the engine could find a proper document, but the document has no template
|
|
// at that point there isn't much we can do and there is no point returning
|
|
// to Mvc since Mvc can't do much
|
|
return new PublishedContentNotFoundHandler("In addition, no template exists to render the custom 404.");
|
|
|
|
// so we have a template, so we should have a rendering engine
|
|
if (pcr.RenderingEngine == RenderingEngine.WebForms) // back to webforms ?
|
|
return GetWebFormsHandler();
|
|
|
|
if (pcr.RenderingEngine != RenderingEngine.Mvc) // else ?
|
|
return new PublishedContentNotFoundHandler("In addition, no rendering engine exists to render the custom 404.");
|
|
|
|
return null;
|
|
}
|
|
|
|
/// <summary>
|
|
/// this will determine the controller and set the values in the route data
|
|
/// </summary>
|
|
/// <param name="requestContext"></param>
|
|
/// <param name="publishedContentRequest"></param>
|
|
internal IHttpHandler GetHandlerForRoute(RequestContext requestContext, PublishedContentRequest publishedContentRequest)
|
|
{
|
|
if (requestContext == null) throw new ArgumentNullException("requestContext");
|
|
if (publishedContentRequest == null) throw new ArgumentNullException("publishedContentRequest");
|
|
|
|
var routeDef = GetUmbracoRouteDefinition(requestContext, publishedContentRequest);
|
|
|
|
//Need to check for a special case if there is form data being posted back to an Umbraco URL
|
|
var postedInfo = GetFormInfo(requestContext);
|
|
if (postedInfo != null)
|
|
{
|
|
return HandlePostedValues(requestContext, postedInfo);
|
|
}
|
|
|
|
//Now we can check if we are supposed to render WebForms when the route has not been hijacked
|
|
if (publishedContentRequest.RenderingEngine == RenderingEngine.WebForms
|
|
&& publishedContentRequest.HasTemplate
|
|
&& routeDef.HasHijackedRoute == false)
|
|
{
|
|
return GetWebFormsHandler();
|
|
}
|
|
|
|
//here we need to check if there is no hijacked route and no template assigned, if this is the case
|
|
//we want to return a blank page, but we'll leave that up to the NoTemplateHandler.
|
|
if (!publishedContentRequest.HasTemplate && !routeDef.HasHijackedRoute)
|
|
{
|
|
publishedContentRequest.UpdateOnMissingTemplate(); // will go 404
|
|
|
|
// HandleHttpResponseStatus returns a value indicating that the request should
|
|
// not be processed any further, eg because it has been redirect. then, exit.
|
|
if (UmbracoModule.HandleHttpResponseStatus(requestContext.HttpContext, publishedContentRequest))
|
|
return null;
|
|
|
|
var handler = GetHandlerOnMissingTemplate(publishedContentRequest);
|
|
|
|
// if it's not null it can be either the PublishedContentNotFoundHandler (no document was
|
|
// found to handle 404, or document with no template was found) or the WebForms handler
|
|
// (a document was found and its template is WebForms)
|
|
|
|
// if it's null it means that a document was found and its template is Mvc
|
|
|
|
// if we have a handler, return now
|
|
if (handler != null)
|
|
return handler;
|
|
|
|
// else we are running Mvc
|
|
// update the route data - because the PublishedContent has changed
|
|
UpdateRouteDataForRequest(
|
|
new RenderModel(publishedContentRequest.PublishedContent, publishedContentRequest.Culture),
|
|
requestContext);
|
|
// update the route definition
|
|
routeDef = GetUmbracoRouteDefinition(requestContext, publishedContentRequest);
|
|
}
|
|
|
|
//no post values, just route to the controller/action requried (local)
|
|
|
|
requestContext.RouteData.Values["controller"] = routeDef.ControllerName;
|
|
if (!string.IsNullOrWhiteSpace(routeDef.ActionName))
|
|
{
|
|
requestContext.RouteData.Values["action"] = routeDef.ActionName;
|
|
}
|
|
|
|
// Set the session state requirements
|
|
requestContext.HttpContext.SetSessionStateBehavior(GetSessionStateBehavior(requestContext, routeDef.ControllerName));
|
|
|
|
// reset the friendly path so in the controllers and anything occuring after this point in time,
|
|
//the URL is reset back to the original request.
|
|
requestContext.HttpContext.RewritePath(UmbracoContext.OriginalRequestUrl.PathAndQuery);
|
|
|
|
return new UmbracoMvcHandler(requestContext);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns the handler for webforms requests
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
internal static IHttpHandler GetWebFormsHandler()
|
|
{
|
|
return (global::umbraco.UmbracoDefault)BuildManager.CreateInstanceFromVirtualPath("~/default.aspx", typeof(global::umbraco.UmbracoDefault));
|
|
}
|
|
|
|
private SessionStateBehavior GetSessionStateBehavior(RequestContext requestContext, string controllerName)
|
|
{
|
|
return _controllerFactory.GetControllerSessionBehavior(requestContext, controllerName);
|
|
}
|
|
|
|
|
|
}
|
|
} |