RewriteEngine on

RewriteCond $1 !^(index.php|images|img|themes|sparks|assets|promo|phase0|error_log|robots.txt|pinterest-d797d.html|license.txt|Boxfile|tools)
RewriteRule ^(.*)$ index.php/$1 [L]

RewriteCond %{HTTP_HOST} !^www.
RewriteRule ^(.*)$ https://www.%{HTTP_HOST}/$1 [R=301,L]

RewriteCond %{HTTP:X-Forwarded-Proto} =http
RewriteRule (.*) https://%{HTTP_HOST}/$1 [R]