Elegance C#
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Create Custom IIS URL Rewrite Provider

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Developing a Custom Rewrite Provider for URL Rewrite Module

Creating a Visual Studio C# Class Library Project

  • add references to Microsoft.Web.Iis.Rewrite.dll located in “%ProgramFiles%\Reference Assemblies\Microsoft\IIS”.

Rewrite providers must be placed in the .NET Global Assembly Cache (GAC)

  • To sign the assembly, In the Signing tab check “Sign the assembly” check box.

In the combo box, select the option <New…> to create a new key. In the “Create Strong Name Key” dialog, type DemoKey.snk as the name for the key and uncheck the Protect my key file with a password check box. Click OK.

iis-url-rewrite

  • Select the “Build Events” tab and add the following “Post-build event” command line:
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CALL "%VS90COMNTOOLS%\vsvars32.bat" > NULL
gacutil.exe /if "\$(TargetPath)"

Note: if you use Visual Studio 2010 then replace %VS90COMNTOOLS% with %VS100COMNTOOLS%.

Implementing the provider interfaces

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public class CdnRewriteProvider : IRewriteProvider, IProviderDescriptor
{
}

Registering and configuring the provider

  • Open IIS Manager and select the URL Rewrite feature

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This completes the registration and configuration of a rewrite provider. As a result the web.config file for the default web site will contain the following XML code inside of the section:

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<system.webServer>
	<rewrite>
		<providers>
			<provider name="T1.IisUrlRewriteModule" type="T1.IisUrlRewriteModule.CdnRewriteProvider, T1.IisUrlRewriteModule, Version=1.0.0.0, Culture=neutral, PublicKeyToken=cd92a3df2f0d20b9">
				<settings>
					<add key="config" value="aaa" />
				</settings>
			</provider>
		</providers>
	</rewrite>
</system.webServer>