<IfModule mod_rewrite.c>
  <IfModule mod_negotiation.c>
    Options -MultiViews -Indexes
  </IfModule>

  RewriteEngine On

  RewriteCond %{HTTP:Authorization} .
  RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]

  RewriteCond %{REQUEST_FILENAME} !-d
  RewriteCond %{REQUEST_URI} (.+)/$
  RewriteRule ^ %1 [L,R=301]

  RewriteCond %{REQUEST_FILENAME} !-d
  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteRule ^ index.php [L]
</IfModule>