Adding initial attempt at connecting to CDN

Teknik/App_Start/BundleConfig.cs

@@ -1,5 +1,6 @@
 using System.Web;
 using System.Web.Optimization;
+using Teknik.Helpers;
 
 namespace Teknik
 {
@@ -8,17 +9,19 @@ namespace Teknik
         // For more information on bundling, visit http://go.microsoft.com/fwlink/?LinkId=301862
         public static void RegisterBundles(BundleCollection bundles)
         {
-            BundleTable.EnableOptimizations = false;
+            bundles.UseCdn = true;
+
+            BundleTable.EnableOptimizations = true;
 #if !DEBUG
             BundleTable.EnableOptimizations = true;
 #endif
 
-            bundles.Add(new StyleBundle("~/Content/Common").Include(
+            bundles.Add(new AzureStyleBundle("~/Content/Common", "https://cdn.teknik.io", "www").Include(
                       "~/Content/bootstrap.css",
                       "~/Content/font-awesome.css",
                       "~/Content/common.css"));
 
-            bundles.Add(new ScriptBundle("~/bundles/common").Include(
+            bundles.Add(new AzureScriptBundle("~/bundles/common", "https://cdn.teknik.io", "www").Include(
                         "~/Scripts/jquery-{version}.js",
                         "~/Scripts/jquery.validate*",
                         "~/Scripts/bootstrap.js",
@@ -26,16 +29,16 @@ namespace Teknik
                         "~/Scripts/common.js",
                         "~/Scripts/respond.js"));
 
-            bundles.Add(new ScriptBundle("~/bundles/jquery").Include(
+            bundles.Add(new AzureScriptBundle("~/bundles/jquery", "https://cdn.teknik.io", "www").Include(
                         "~/Scripts/jquery-{version}.js",
                         "~/Scripts/jquery.validate*"));
 
             // Use the development version of Modernizr to develop with and learn from. Then, when you're
             // ready for production, use the build tool at http://modernizr.com to pick only the tests you need.
-            bundles.Add(new ScriptBundle("~/bundles/modernizr").Include(
+            bundles.Add(new AzureScriptBundle("~/bundles/modernizr", "https://cdn.teknik.io", "www").Include(
                         "~/Scripts/modernizr-*"));
 
-            bundles.Add(new ScriptBundle("~/bundles/markdown").Include(
+            bundles.Add(new AzureScriptBundle("~/bundles/markdown", "https://cdn.teknik.io", "www").Include(
                       "~/Scripts/PageDown/Markdown.Converter.js",
                       "~/Scripts/PageDown/Markdown.Sanitizer.js"));
         }

Teknik/Areas/Home/HomeAreaRegistration.cs

@@ -4,6 +4,7 @@ using System.Web.Optimization;
 using Teknik;
 using Teknik.Configuration;
 using Teknik.Controllers;
+using Teknik.Helpers;
 
 namespace Teknik.Areas.Home
 {
@@ -51,11 +52,11 @@ namespace Teknik.Areas.Home
              );
 
             // Register Style Bundles
-            BundleTable.Bundles.Add(new StyleBundle("~/Content/home").Include(
+            BundleTable.Bundles.Add(new AzureStyleBundle("~/Content/home", "https://cdn.teknik.io", "www").Include(
                       "~/Areas/Home/Content/Home.css"));
 
             // Register Script Bundles
-            BundleTable.Bundles.Add(new ScriptBundle("~/bundles/home").Include(
+            BundleTable.Bundles.Add(new AzureScriptBundle("~/bundles/home", "https://cdn.teknik.io", "www").Include(
                       "~/Scripts/PageDown/Markdown.Converter.js",
                       "~/Scripts/PageDown/Markdown.Sanitizer.js"));
         }

Teknik/Helpers/BundleExtensions.cs

@@ -0,0 +1,63 @@
+using Microsoft.WindowsAzure.Storage;
+using Microsoft.WindowsAzure.Storage.Blob;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+using System.Threading.Tasks;
+using System.Web;
+using System.Web.Optimization;
+
+namespace Teknik.Helpers
+{
+    public class AzureScriptBundle : Bundle
+    {
+        public AzureScriptBundle(string virtualPath, string cdnHost, string subdomain)
+            : base(virtualPath, null, new IBundleTransform[] { new JsMinify(), new AzureBundleTransform { CdnHost = cdnHost, Subdomain = subdomain } })
+        {
+            ConcatenationToken = ";";
+        }
+    }
+
+    public class AzureStyleBundle : Bundle
+    {
+        public AzureStyleBundle(string virtualPath, string cdnHost, string subdomain)
+            : base(virtualPath, null, new IBundleTransform[] { new CssMinify(), new AzureBundleTransform { CdnHost = cdnHost, Subdomain = subdomain } })
+        {
+        }
+    }
+
+    public class AzureBundleTransform : IBundleTransform
+    {
+        public string CdnHost { get; set; }
+
+        public string Subdomain { get; set; }
+
+        static AzureBundleTransform()
+        {
+        }
+
+        public virtual void Process(BundleContext context, BundleResponse response)
+        {
+            var dir = VirtualPathUtility.GetDirectory(context.BundleVirtualPath).TrimStart('/').TrimStart('~').TrimStart('/').TrimEnd('/');
+            var file = VirtualPathUtility.GetFileName(context.BundleVirtualPath);
+
+            if (!context.BundleCollection.UseCdn)
+            {
+                return;
+            }
+
+            if (string.IsNullOrEmpty(CdnHost) || string.IsNullOrEmpty(Subdomain))
+            {
+                return;
+            }            
+
+            using (var hashAlgorithm = SHA256.CreateHashAlgorithm())
+            {
+                var hash = HttpServerUtility.UrlTokenEncode(hashAlgorithm.ComputeHash(Encoding.Unicode.GetBytes(response.Content)));
+                context.BundleCollection.GetBundleFor(context.BundleVirtualPath).CdnPath = string.Format("{0}/{1}/{2}?sub={3}&v={4}", CdnHost.TrimEnd('/'), dir, file, Subdomain, hash);
+            }
+        }
+    }
+}

Teknik/Helpers/Crypto.cs

@@ -84,6 +84,16 @@ namespace Teknik.Helpers
             }
             return hashString;
         }
+
+        public static System.Security.Cryptography.SHA256 CreateHashAlgorithm()
+        {
+            if (CryptoConfig.AllowOnlyFipsAlgorithms)
+            {
+                return new SHA256CryptoServiceProvider();
+            }
+
+            return new SHA256Managed();
+        }
     }
 
     public class AES

Teknik/Teknik.csproj

@@ -73,7 +73,27 @@
       <HintPath>..\packages\Microsoft.AspNet.Identity.EntityFramework.2.2.1\lib\net45\Microsoft.AspNet.Identity.EntityFramework.dll</HintPath>
       <Private>True</Private>
     </Reference>
+    <Reference Include="Microsoft.Azure.KeyVault.Core, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Azure.KeyVault.Core.1.0.0\lib\net40\Microsoft.Azure.KeyVault.Core.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
+    <Reference Include="Microsoft.Data.Edm, Version=5.6.4.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Data.Edm.5.6.4\lib\net40\Microsoft.Data.Edm.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Microsoft.Data.OData, Version=5.6.4.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Data.OData.5.6.4\lib\net40\Microsoft.Data.OData.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Microsoft.Data.Services.Client, Version=5.6.4.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Data.Services.Client.5.6.4\lib\net40\Microsoft.Data.Services.Client.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Microsoft.WindowsAzure.Storage, Version=7.2.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\WindowsAzure.Storage.7.2.1\lib\net40\Microsoft.WindowsAzure.Storage.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="MySql.Data, Version=6.9.9.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d, processorArchitecture=MSIL">
       <HintPath>..\packages\MySql.Data.6.9.9\lib\net45\MySql.Data.dll</HintPath>
       <Private>True</Private>
@@ -106,6 +126,10 @@
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.Security" />
     <Reference Include="System.ServiceModel" />
+    <Reference Include="System.Spatial, Version=5.6.4.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Spatial.5.6.4\lib\net40\System.Spatial.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="System.Web.DynamicData" />
     <Reference Include="System.Web.Entity" />
     <Reference Include="System.Web.ApplicationServices" />
@@ -223,6 +247,7 @@
     <Compile Include="Areas\User\Models\TrustedDevice.cs" />
     <Compile Include="Areas\User\ViewModels\TwoFactorViewModel.cs" />
     <Compile Include="Attributes\TeknikAuthorizeAttribute.cs" />
+    <Compile Include="Helpers\BundleExtensions.cs" />
     <Compile Include="Models\TransferTypes.cs" />
     <Compile Include="Areas\User\Models\UploadSettings.cs" />
     <Compile Include="Areas\User\Models\UserSettings.cs" />

Teknik/packages.config

@@ -20,6 +20,10 @@
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net46" userInstalled="true" />
   <package id="Microsoft.AspNet.Web.Optimization" version="1.1.3" targetFramework="net46" userInstalled="true" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net46" userInstalled="true" />
+  <package id="Microsoft.Azure.KeyVault.Core" version="1.0.0" targetFramework="net452" />
+  <package id="Microsoft.Data.Edm" version="5.6.4" targetFramework="net452" />
+  <package id="Microsoft.Data.OData" version="5.6.4" targetFramework="net452" />
+  <package id="Microsoft.Data.Services.Client" version="5.6.4" targetFramework="net452" />
   <package id="Microsoft.jQuery.Unobtrusive.Validation" version="3.2.3" targetFramework="net46" userInstalled="true" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net46" userInstalled="true" />
   <package id="Modernizr" version="2.8.3" targetFramework="net452" userInstalled="true" />
@@ -29,6 +33,8 @@
   <package id="Piwik.Tracker" version="2.16.0.0" targetFramework="net452" />
   <package id="QRCoder" version="1.2.2" targetFramework="net452" />
   <package id="Respond" version="1.4.2" targetFramework="net452" userInstalled="true" />
+  <package id="System.Spatial" version="5.6.4" targetFramework="net452" />
   <package id="TwoStepsAuthenticator" version="1.2.0" targetFramework="net452" />
   <package id="WebGrease" version="1.6.0" targetFramework="net46" userInstalled="true" />
+  <package id="WindowsAzure.Storage" version="7.2.1" targetFramework="net452" />
 </packages>