Forzar https en htaccess

RewriteEngine on

RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^([^\.]+)$ $1.php [NC,L]
RewriteRule ^([^\.]+)$ $1.html [NC,L]

# Redirect to HTTPS

RewriteCond %{HTTPS} off

RewriteCond %{HTTP:X-Forwarded-Proto} !https

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