CDN is configured as a from-to replace pattern for flexibility.

Author: noopman

source/DasBlog.Services/ConfigFile/Interfaces/ISiteConfig.cs

@@ -61,9 +61,10 @@ public interface ISiteConfig
 
         string Root { get; set; }
 
-        string CdnRoot { get; set; }
+        string CdnFrom { get; set; }
+        string CdnTo { get; set; }
 
-        string Copyright { get; set; }
+		string Copyright { get; set; }
 
 		int RssDayCount { get; set; }
 

source/DasBlog.Services/ConfigFile/SiteConfig.cs

@@ -52,7 +52,8 @@ namespace DasBlog.Services.ConfigFile
 	public class SiteConfig : ISiteConfig
     {
         private string _root;
-        private string _cdnRoot;
+        private string _cdnFrom;
+        private string _cdnTo;
 
 		public SiteConfig() { }
 
@@ -79,21 +80,40 @@ public string Root {
             }
         }
 
-		public string CdnRoot
+		public string CdnFrom
 		{
 			get
 			{
-				return _cdnRoot;
+				return _cdnFrom;
 			}
 			set
 			{
 				if (!string.IsNullOrEmpty(value))
 				{
-					_cdnRoot = value + (value.EndsWith("/") ? "" : "/");
+					_cdnFrom = value + (value.EndsWith("/") ? "" : "/");
 				}
 				else
 				{
-					_cdnRoot = value;
+					_cdnFrom = value;
+				}
+			}
+		}
+
+		public string CdnTo
+		{
+			get
+			{
+				return _cdnTo;
+			}
+			set
+			{
+				if (!string.IsNullOrEmpty(value))
+				{
+					_cdnTo= value + (value.EndsWith("/") ? "" : "/");
+				}
+				else
+				{
+					_cdnTo = value;
 				}
 			}
 		}

source/DasBlog.Tests/UnitTests/SiteConfigTest.cs

@@ -15,7 +15,8 @@ public class SiteConfigTest : ISiteConfig
 		public string Description { get => "Description"; set => throw new NotImplementedException(); }
 		public string Contact { get => "Contact"; set => throw new NotImplementedException(); }
 		public string Root { get => "http://www.poppastring.com/"; set => throw new NotImplementedException(); }
-		public string CdnRoot { get => ""; set => throw new NotImplementedException(); }
+		public string CdnFrom{ get => ""; set => throw new NotImplementedException(); }
+		public string CdnTo{ get => ""; set => throw new NotImplementedException(); }
 		public string Copyright { get => "CopyRight"; set => throw new NotImplementedException(); }
 		public int RssDayCount { get => 100; set => throw new NotImplementedException(); }
 		public bool ShowCommentCount { get => true; set => throw new NotImplementedException(); }

source/DasBlog.Web.UI/Config/site.config

@@ -29,9 +29,13 @@
 
   <!-- END OF SUGGESTED SETTINGS -->
 
-  <!-- OPTIONAL: IF you use a CDN service your files are still stored locally on the blog site, and the CDN url below will replace your <Root> when referncing your binary content. -->
-  <!-- Set the base URL of the cdn servcie http://cdn.example.com/blog/ -->
-  <CdnRoot></CdnRoot>
+  <!-- OPTIONAL: Content Delivery Network (CDN)
+                 The two CDN settings below (CdnFrom/CdnTo) is a search and replace pattern.
+  -->
+  <!-- The part of your <Root> or binary hosting path you want to replace (ex. http://example.com/content/binary/): -->
+  <CdnFrom></CdnFrom>
+  <!-- The URL of the cdn servcie you are replacing to (ex. http://cdn.example.com/content/binary/): -->
+  <CdnTo></CdnTo>
 
   <MastodonServerUrl />
   <MastodonAccount />