web.config: Add 'www' to HTTP or HTTPS

web.config.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <system.webServer>
        <rewrite>
            <rules>
                <rule name="Add www to HTTPS" stopProcessing="true">
                    <match url="(.*)" />
                    <conditions>
                        <add input="{HTTP_HOST}" pattern="^www\.site2\.com$" negate="true" />
                        <add input="{HTTPS}" pattern="On" />
                    </conditions>
                    <action type="Redirect" url="https://www.site2.com/{R:1}" />
                </rule>
                <rule name="Add www to HTTP" stopProcessing="true">
                    <match url="(.*)" />
                    <conditions>
                        <add input="{HTTP_HOST}" pattern="^www\.site2\.com$" negate="true" />
                        <add input="{HTTPS}" pattern="Off" />
                    </conditions>
                    <action type="Redirect" url="http://www.site2.com/{R:1}" />
                </rule>
            </rules>
        </rewrite>
    </system.webServer>
</configuration>