A quick ASP.NET MVC Extension to support CDNs - david whitney, agile & software practices in london

	public class Settings : ConfigurationSection
	{
	[ConfigurationProperty("enabled", DefaultValue = "false", IsRequired = true)]
	public bool Enabled
	{
	get { return (bool)this["enabled"]; }
	set { this["enabled"] = value; }
	}

	[ConfigurationProperty("cloudFrontDomainName", DefaultValue = "", IsRequired = true)]
	public string CloudFrontDomainName
	{
	get { return (string)this["cloudFrontDomainName"]; }
	set { this["cloudFrontDomainName"] = value; }
	}

	public static string SectionName { get { return "frontin"; } }

	public static Settings Load()
	{
	return (Settings)ConfigurationManager.GetSection(SectionName);
	}
	}

view raw Settings.cs hosted with ❤ by GitHub

	public static class UrlExtensions
	{
	public static Lazy<Settings> Configuration { get; set; }

	static UrlExtensions()
	{
	Configuration = new Lazy<Settings>(Settings.Load);
	}

	public static string CdnContent(this UrlHelper helper, string path)
	{
	var underlying = helper.Content(path);

	if (!Configuration.Value.Enabled)
	{
	return underlying;
	}

	var cloudRoot = HttpContext.Current.Request.Url.Scheme + "://" + Configuration.Value.CloudFrontDomainName;

	return underlying.StartsWith("/")
	? cloudRoot + underlying
	: underlying.Replace(HttpContext.Current.Request.Url.Host, Configuration.Value.CloudFrontDomainName);
	}
	}

view raw UrlExtensions.cs hosted with ❤ by GitHub

	<configSections>
	<section name="frontin" type="Namespace.Settings, Assembly" requirePermission="false" />
	</configSections>

	<frontin enabled="true" cloudFrontDomainName="xxxxx.cloudfront.net" />

view raw Web.config hosted with ❤ by GitHub