htaccess splash cookie login

.htaccess

RewriteCond %{REQUEST_URI} !=/maintenance.html
RewriteCond %{REQUEST_URI} !=/login.cfm
RewriteCond %{REQUEST_URI} !^/mobile/
RewriteCond %{REQUEST_FILENAME} !\.(gif|jpe?g|png|css|js|swf|xml|ttf|eot|woff|svg|pdf)$
RewriteCond %{HTTP_COOKIE} !^.*splash.*$ [NC]
RewriteRule ^(.*)$ /maintenance.html [R=307,NC,L]

readme.txt

Visiting any url will take you to the splash page maintenance.html (excluding login.cfm and images/css/fonts that might be used on splash, also allow mobile site)

To bypass visit login.cfm

Iirf.ini

RewriteCond %{REQUEST_URI} !=/maintenance.html
RewriteCond %{REQUEST_URI} !=/login.cfm
RewriteCond %{REQUEST_FILENAME} !\.(gif|jpe?g|png|css|js|swf|xml|ttf|pdf)$
RewriteCond %{HTTP_COOKIE} !^.*splash.*$ [I]
RewriteRule ^(.*)$ /maintenance.html [R=307,I,L]

login.cfm

<cfcookie name="splash" value="1">
<cflocation url="/index.cfm" addToken="no"/>

page.cfm

<!--- 
If there are issues with still being able to access the site add a manual redirect to a 
.cfm file used throughout the website e.g base3 page.cfm 
--->
<cfif !StructKeyExists(Cookie, 'splash')>
  <cflocation url="/index.splash.htm"/>
  <cfabort/>
</cfif>