Some work on making a blog or (routable) content item inaccessible by its path if it is set as the home page

--HG--
branch : dev

src/Orchard.Specs/Blogs.feature

@@ -147,4 +147,26 @@ Scenario: The virtual path of my installation when at the root is reflected in t
         | Routable.Title | My Blog |
         And I hit "Save"
         And I go to "admin/blogs/my-blog/posts/create"
-    Then I should see "<span>http\://localhost/my-blog/</span>"
+    Then I should see "<span>http\://localhost/my-blog/</span>"
+
+Scenario: I set my blog to be the content for the home page and the posts for the blog should still be at the blog path prefixed path
+    Given I have installed Orchard
+    When I go to "admin/blogs/create"
+        And I fill in
+            | name | value |
+            | Routable.Title | My Blog |
+            | Routable.PromoteToHomePage | true |
+        And I hit "Save"
+        And I go to "admin/blogs/my-blog/posts/create"
+        And I fill in
+            | name | value |
+            | Routable.Title | My Post |
+            | Body.Text | Hi there. |
+        And I hit "Publish Now"
+        And I am redirected
+        And I go to "/Default.aspx"
+    Then I should see "<h1>My Blog</h1>"
+    When I go to "/my-blog"
+    Then the status should be 404 "Not Found"
+    When I go to "/my-blog/my-post"
+    Then I should see "<h1>My Post</h1>"

src/Orchard.Specs/Blogs.feature.cs

@@ -457,6 +457,67 @@ this.ScenarioSetup(scenarioInfo);
         testRunner.And("I go to \"admin/blogs/my-blog/posts/create\"");
 #line 150
     testRunner.Then("I should see \"<span>http\\://localhost/my-blog/</span>\"");
+#line hidden
+            testRunner.CollectScenarioErrors();
+        }
+        
+        [NUnit.Framework.TestAttribute()]
+        [NUnit.Framework.DescriptionAttribute("I set my blog to be the content for the home page and the posts for the blog shou" +
+            "ld still be at the blog path prefixed path")]
+        public virtual void ISetMyBlogToBeTheContentForTheHomePageAndThePostsForTheBlogShouldStillBeAtTheBlogPathPrefixedPath()
+        {
+            TechTalk.SpecFlow.ScenarioInfo scenarioInfo = new TechTalk.SpecFlow.ScenarioInfo("I set my blog to be the content for the home page and the posts for the blog shou" +
+                    "ld still be at the blog path prefixed path", ((string[])(null)));
+#line 152
+this.ScenarioSetup(scenarioInfo);
+#line 153
+    testRunner.Given("I have installed Orchard");
+#line 154
+    testRunner.When("I go to \"admin/blogs/create\"");
+#line hidden
+            TechTalk.SpecFlow.Table table15 = new TechTalk.SpecFlow.Table(new string[] {
+                        "name",
+                        "value"});
+            table15.AddRow(new string[] {
+                        "Routable.Title",
+                        "My Blog"});
+            table15.AddRow(new string[] {
+                        "Routable.PromoteToHomePage",
+                        "true"});
+#line 155
+        testRunner.And("I fill in", ((string)(null)), table15);
+#line 159
+        testRunner.And("I hit \"Save\"");
+#line 160
+        testRunner.And("I go to \"admin/blogs/my-blog/posts/create\"");
+#line hidden
+            TechTalk.SpecFlow.Table table16 = new TechTalk.SpecFlow.Table(new string[] {
+                        "name",
+                        "value"});
+            table16.AddRow(new string[] {
+                        "Routable.Title",
+                        "My Post"});
+            table16.AddRow(new string[] {
+                        "Body.Text",
+                        "Hi there."});
+#line 161
+        testRunner.And("I fill in", ((string)(null)), table16);
+#line 165
+        testRunner.And("I hit \"Publish Now\"");
+#line 166
+        testRunner.And("I am redirected");
+#line 167
+        testRunner.And("I go to \"/Default.aspx\"");
+#line 168
+    testRunner.Then("I should see \"<h1>My Blog</h1>\"");
+#line 169
+    testRunner.When("I go to \"/my-blog\"");
+#line 170
+    testRunner.Then("the status should be 404 \"Not Found\"");
+#line 171
+    testRunner.When("I go to \"/my-blog/my-post\"");
+#line 172
+    testRunner.Then("I should see \"<h1>My Post</h1>\"");
 #line hidden
             testRunner.CollectScenarioErrors();
         }

src/Orchard.Web/Core/Routable/Controllers/ItemController.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using System.Web.Mvc;
 using Orchard.ContentManagement;
@@ -8,6 +9,7 @@ using Orchard.Core.Routable.Services;
 using Orchard.Data;
 using Orchard.DisplayManagement;
 using Orchard.Localization;
+using Orchard.Services;
 using Orchard.Themes;
 
 namespace Orchard.Core.Routable.Controllers {
@@ -16,25 +18,33 @@ namespace Orchard.Core.Routable.Controllers {
         private readonly IContentManager _contentManager;
         private readonly ITransactionManager _transactionManager;
         private readonly IRoutablePathConstraint _routablePathConstraint;
+        private readonly IWorkContextAccessor _workContextAccessor;
+        private readonly IHomePageProvider _routableHomePageProvider;
 
         public ItemController(
             IContentManager contentManager, 
             ITransactionManager transactionManager, 
-            IRoutablePathConstraint routablePathConstraint, 
+            IRoutablePathConstraint routablePathConstraint,
-            IShapeFactory shapeFactory) {
+            IShapeFactory shapeFactory,
+            IWorkContextAccessor workContextAccessor,
+            IEnumerable<IHomePageProvider> homePageProviders) {
             _contentManager = contentManager;
             _transactionManager = transactionManager;
             _routablePathConstraint = routablePathConstraint;
+            _workContextAccessor = workContextAccessor;
+            _routableHomePageProvider = homePageProviders.SingleOrDefault(p => p.GetProviderName() == RoutableHomePageProvider.Name);
             Shape = shapeFactory;
+            T = NullLocalizer.Instance;
         }
 
+        public Localizer T { get; set; }
         dynamic Shape { get; set; }
 
         [Themed]
         public ActionResult Display(string path) {
             var matchedPath = _routablePathConstraint.FindPath(path);
-            if (string.IsNullOrEmpty(matchedPath)) {
+            if (matchedPath == null) {
-                throw new ApplicationException("404 - should not have passed path constraint");
+                throw new ApplicationException(T("404 - should not have passed path constraint").Text);
             }
 
             var hits = _contentManager
@@ -42,13 +52,20 @@ namespace Orchard.Core.Routable.Controllers {
                 .Where(r => r.Path == matchedPath)
                 .Slice(0, 2);
             if (hits.Count() == 0) {
-                throw new ApplicationException("404 - should not have passed path constraint");
+                throw new ApplicationException(T("404 - should not have passed path constraint").Text);
             }
             if (hits.Count() != 1) {
-                throw new ApplicationException("Ambiguous content");
+                throw new ApplicationException(T("Ambiguous content").Text);
             }
 
-            dynamic model = _contentManager.BuildDisplay(hits.Single());
+            var item = hits.Single();
+            // primary action run for a home paged item shall not pass
+            if (!RouteData.DataTokens.ContainsKey("ParentActionViewContext")
+                && item.Id == _routableHomePageProvider.GetHomePageId(_workContextAccessor.GetContext().CurrentSite.HomePage)) {
+                return HttpNotFound();
+            }
+
+            dynamic model = _contentManager.BuildDisplay(item);
             // Casting to avoid invalid (under medium trust) reflection over the protected View method and force a static invocation.
             return View((object)model);
         }

src/Orchard.Web/Core/Routable/Handlers/RoutePartHandler.cs

@@ -23,6 +23,7 @@ namespace Orchard.Core.Routable.Handlers {
             IRepository<RoutePartRecord> repository,
             IRoutablePathConstraint routablePathConstraint,
             IRoutableService routableService,
+            IWorkContextAccessor workContextAccessor,
             IEnumerable<IHomePageProvider> homePageProviders) {
             _services = services;
             _routablePathConstraint = routablePathConstraint;
@@ -46,8 +47,10 @@ namespace Orchard.Core.Routable.Handlers {
             OnPublished<RoutePart>((context, route) => {
                 FinalizePath(route, context, processSlug);
 
-                if (route.ContentItem.Id != 0 && route.PromoteToHomePage && _routableHomePageProvider != null)
+                if (route.ContentItem.Id != 0 && route.PromoteToHomePage && _routableHomePageProvider != null) {
                     _services.WorkContext.CurrentSite.HomePage = _routableHomePageProvider.GetSettingValue(route.ContentItem.Id);
+                    _routablePathConstraint.AddPath("");
+                }
             });
 
             OnRemoved<RoutePart>((context, route) => {
@@ -87,6 +90,14 @@ namespace Orchard.Core.Routable.Handlers {
     }
 
     public class RoutePartHandlerBase : ContentHandlerBase {
+        private readonly IWorkContextAccessor _workContextAccessor;
+        private readonly IHomePageProvider _routableHomePageProvider;
+
+        public RoutePartHandlerBase(IWorkContextAccessor workContextAccessor, IEnumerable<IHomePageProvider> homePageProviders) {
+            _workContextAccessor = workContextAccessor;
+            _routableHomePageProvider = homePageProviders.SingleOrDefault(p => p.GetProviderName() == RoutableHomePageProvider.Name);
+        }
+
         public override void GetContentItemMetadata(GetContentItemMetadataContext context) {
             var routable = context.ContentItem.As<RoutePart>();
 
@@ -98,11 +109,15 @@ namespace Orchard.Core.Routable.Handlers {
             // set the display route values if it hasn't been set or only has been set by the Contents module. 
             // allows other modules to set their own display. probably not common enough to warrant some priority implemntation
             if (context.Metadata.DisplayRouteValues == null || context.Metadata.DisplayRouteValues["Area"] as string == "Contents") {
+                var itemPath = routable.Id == _routableHomePageProvider.GetHomePageId(_workContextAccessor.GetContext().CurrentSite.HomePage)
+                    ? ""
+                    : routable.Path;
+
                 context.Metadata.DisplayRouteValues = new RouteValueDictionary {
                     {"Area", "Routable"},
                     {"Controller", "Item"},
                     {"Action", "Display"},
-                    {"path", routable.Path}
+                    {"path", itemPath}
                 };
             }
         }

src/Orchard.Web/Core/Routable/Services/RoutableHomePageProvider.cs

@@ -1,7 +1,9 @@
-using System.Web.Mvc;
+using System;
+using System.Web.Mvc;
 using JetBrains.Annotations;
 using Orchard.Core.Routable.Models;
 using Orchard.DisplayManagement;
+using Orchard.Localization;
 using Orchard.Services;
 using Orchard.ContentManagement;
 
@@ -16,8 +18,10 @@ namespace Orchard.Core.Routable.Services {
             IShapeFactory shapeFactory) {
             _contentManager = contentManager;
             Shape = shapeFactory;
+            T = NullLocalizer.Instance;
         }
 
+        public Localizer T { get; set; }
         dynamic Shape { get; set; }
 
         public string GetProviderName() {
@@ -28,6 +32,15 @@ namespace Orchard.Core.Routable.Services {
             return GetProviderName() + ";" + id;
         }
 
+        public int GetHomePageId(string value) {
+            int id;
+
+            if (string.IsNullOrWhiteSpace(value) || !int.TryParse(value.Substring(Name.Length + 1), out id))
+                throw new ApplicationException(T("Invalid home page setting value for {0}: {1}", Name, value).Text);
+
+            return id;
+        }
+
         public ActionResult GetHomePage(int id) {
             var contentItem = _contentManager.Get(id, VersionOptions.Published);
             if (contentItem == null || !contentItem.Is<RoutePart>())

src/Orchard.Web/Modules/Orchard.Blogs/Controllers/BlogController.cs

@@ -1,11 +1,14 @@
+using System.Collections.Generic;
 using System.Linq;
 using System.Web.Mvc;
 using Orchard.Blogs.Extensions;
 using Orchard.Blogs.Routing;
 using Orchard.Blogs.Services;
 using Orchard.Core.Feeds;
+using Orchard.Core.Routable.Services;
 using Orchard.DisplayManagement;
 using Orchard.Logging;
+using Orchard.Services;
 using Orchard.Themes;
 using Orchard.UI.Navigation;
 
@@ -17,6 +20,8 @@ namespace Orchard.Blogs.Controllers {
         private readonly IBlogPostService _blogPostService;
         private readonly IBlogSlugConstraint _blogSlugConstraint;
         private readonly IFeedManager _feedManager;
+        private readonly IWorkContextAccessor _workContextAccessor;
+        private readonly IHomePageProvider _routableHomePageProvider;
 
         public BlogController(
             IOrchardServices services, 
@@ -24,12 +29,16 @@ namespace Orchard.Blogs.Controllers {
             IBlogPostService blogPostService,
             IBlogSlugConstraint blogSlugConstraint,
             IFeedManager feedManager, 
-            IShapeFactory shapeFactory) {
+            IShapeFactory shapeFactory,
+            IWorkContextAccessor workContextAccessor,
+            IEnumerable<IHomePageProvider> homePageProviders) {
             _services = services;
             _blogService = blogService;
             _blogPostService = blogPostService;
             _blogSlugConstraint = blogSlugConstraint;
             _feedManager = feedManager;
+            _workContextAccessor = workContextAccessor;
+            _routableHomePageProvider = homePageProviders.SingleOrDefault(p => p.GetProviderName() == RoutableHomePageProvider.Name);
             Logger = NullLogger.Instance;
             Shape = shapeFactory;
         }
@@ -59,6 +68,12 @@ namespace Orchard.Blogs.Controllers {
             if (blogPart == null)
                 return HttpNotFound();
 
+            // primary action run for a home paged item shall not pass
+            if (!RouteData.DataTokens.ContainsKey("ParentActionViewContext")
+                && blogPart.Id == _routableHomePageProvider.GetHomePageId(_workContextAccessor.GetContext().CurrentSite.HomePage)) {
+                return HttpNotFound();
+            }
+
             _feedManager.Register(blogPart);
             var blogPosts = _blogPostService.Get(blogPart, pager.GetStartIndex(), pager.PageSize)
                 .Select(b => _services.ContentManager.BuildDisplay(b, "Summary"));

src/Orchard.Web/Modules/Orchard.Blogs/Handlers/BlogPartHandler.cs

@@ -1,17 +1,39 @@
+using System.Collections.Generic;
+using System.Linq;
 using System.Web.Routing;
 using JetBrains.Annotations;
 using Orchard.Blogs.Models;
+using Orchard.Blogs.Routing;
 using Orchard.ContentManagement;
 using Orchard.ContentManagement.Handlers;
 using Orchard.Core.Routable.Models;
+using Orchard.Core.Routable.Services;
 using Orchard.Data;
+using Orchard.Services;
 
 namespace Orchard.Blogs.Handlers {
     [UsedImplicitly]
     public class BlogPartHandler : ContentHandler {
-        public BlogPartHandler(IRepository<BlogPartRecord> repository) {
+        private readonly IWorkContextAccessor _workContextAccessor;
+        private readonly IBlogSlugConstraint _blogSlugConstraint;
+        private readonly IHomePageProvider _routableHomePageProvider;
+
+        public BlogPartHandler(IRepository<BlogPartRecord> repository, IWorkContextAccessor workContextAccessor, IEnumerable<IHomePageProvider> homePageProviders, IBlogSlugConstraint blogSlugConstraint) {
+            _workContextAccessor = workContextAccessor;
+            _blogSlugConstraint = blogSlugConstraint;
+            _routableHomePageProvider = homePageProviders.SingleOrDefault(p => p.GetProviderName() == RoutableHomePageProvider.Name);
             Filters.Add(StorageFilter.For(repository));
 
+            OnPublished<RoutePart>((context, route) => {
+                if (route.Is<BlogPart>()) {
+                    if (route.ContentItem.Id != 0 && route.PromoteToHomePage)
+                        _blogSlugConstraint.AddSlug("");
+                }
+                else if (route.ContentItem.Id != 0 && route.PromoteToHomePage) {
+                    _blogSlugConstraint.RemoveSlug("");
+                }
+            });
+
             OnGetDisplayShape<BlogPart>((context, blog) => {
                                             context.Shape.Description = blog.Description;
                                             context.Shape.PostCount = blog.PostCount;
@@ -24,11 +46,15 @@ namespace Orchard.Blogs.Handlers {
             if (blog == null)
                 return;
 
+            var blogSlug = blog.Id == _routableHomePageProvider.GetHomePageId(_workContextAccessor.GetContext().CurrentSite.HomePage)
+                ? ""
+                : blog.As<RoutePart>().Slug;
+
             context.Metadata.DisplayRouteValues = new RouteValueDictionary {
                 {"Area", "Orchard.Blogs"},
                 {"Controller", "Blog"},
                 {"Action", "Item"},
-                {"blogSlug", blog.As<RoutePart>().Slug}
+                {"blogSlug", blogSlug}
             };
             context.Metadata.CreateRouteValues = new RouteValueDictionary {
                 {"Area", "Orchard.Blogs"},

src/Orchard.Web/Modules/Orchard.Blogs/Routes.cs

@@ -243,7 +243,8 @@ namespace Orchard.Blogs {
                                                          new RouteValueDictionary {
                                                                                       {"area", "Orchard.Blogs"},
                                                                                       {"controller", "Blog"},
-                                                                                      {"action", "Item"}
+                                                                                      {"action", "Item"},
+                                                                                      {"blogSlug", ""}
                                                                                   },
                                                          new RouteValueDictionary {
                                                                                       {"blogSlug", _blogSlugConstraint}

src/Orchard/Services/IHomePageProvider.cs

@@ -4,6 +4,7 @@ namespace Orchard.Services {
     public interface IHomePageProvider : IDependency {
         string GetProviderName();
         string GetSettingValue(int itemId);
+        int GetHomePageId(string value);
         ActionResult GetHomePage(int itemId);
     }
 }