Prevent MediaLibrary popup without permissions

If the user doesn't have ManageMedia permissions,
the markdown editor will use a specific image editor.

src/Orchard.Web/Modules/Markdown/Markdown.csproj

@@ -25,6 +25,7 @@
     <IISExpressAnonymousAuthentication />
     <IISExpressWindowsAuthentication />
     <IISExpressUseClassicPipelineMode />
+    <UseGlobalApplicationHostFile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -71,6 +72,10 @@
       <Project>{9916839C-39FC-4CEB-A5AF-89CA7E87119F}</Project>
       <Name>Orchard.Core</Name>
     </ProjectReference>
+    <ProjectReference Include="..\Orchard.MediaLibrary\Orchard.MediaLibrary.csproj">
+      <Project>{73a7688a-5bd3-4f7e-adfa-ce36c5a10e3b}</Project>
+      <Name>Orchard.MediaLibrary</Name>
+    </ProjectReference>
   </ItemGroup>
   <ItemGroup>
     <Content Include="Content\Admin\Images\grippie.png" />

src/Orchard.Web/Modules/Markdown/Scripts/orchard-markdown-media-library.js

@@ -10,7 +10,8 @@
             handler: function() { window.open("http://daringfireball.net/projects/markdown/syntax"); }
         });
 
-        editor.hooks.set("insertImageDialog", function(callback) {
+        if (Boolean($(this).data("manage-media"))) {
+            editor.hooks.set("insertImageDialog", function (callback) {
                 // see if there's an image selected that they intend on editing
                 var wmd = $('#wmd-input' + idPostfix);
 
@@ -69,6 +70,7 @@
                 });
                 return true;
             });
+        }
 
         editor.run();
     });

src/Orchard.Web/Modules/Markdown/Views/Body-Markdown.Editor.cshtml

@@ -21,7 +21,8 @@
         {"id", "wmd-input" + "-" + idPostfix},
         {"class", "wmd-input"},
         {"data-mediapicker-uploadpath", Model.AddMediaPath},
-        {"data-mediapicker-title", T("Insert/Update Media")}
+        {"data-mediapicker-title", T("Insert/Update Media")},
+        {"data-manage-media", AuthorizedFor(Orchard.MediaLibrary.Permissions.ManageMediaContent) ? "true" : "false" }
     };
 
     // The markdown editor itself doesn't seem to (yet) support autofocus, but we'll set it on the textarea nonetheless.