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

    RewriteEngine On

    # Redirect to https
    RewriteCond %{HTTP:X-Forwarded-Proto} !=https
    RewriteRule .* https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301,N]

    <IfModule mod_headers.c>
        # Activate HSTS
        Header always set Strict-Transport-Security "max-age=31536000; includeSubDomains; preload;"

        Header always set Referrer-Policy "no-referrer"
        Header always set X-Content-Type-Options "nosniff"
        Header always set X-Download-Options "noopen"
        Header always set X-Frame-Options "SAMEORIGIN"
        Header always set X-Permitted-Cross-Domain-Policies "none"
        Header always set X-Robots-Tag "none"
        Header always set X-XSS-Protection "1; mode=block"

        # Assets expire after 1 month
        <filesMatch ".(css|js|json|woff2?|ttf|eot|svg)$">
            Header set Cache-Control "public, max-age=2628000"
        </filesMatch>
    </IfModule>

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

    # Redirect .well-known urls (https://en.wikipedia.org/wiki/List_of_/.well-known/_services_offered_by_webservers)
    RewriteCond %{REQUEST_URI} .well-known/carddav
    RewriteRule ^ /dav/ [L,R=301,N]

    RewriteCond %{REQUEST_URI} .well-known/caldav
    RewriteRule ^ /dav/ [L,R=301,N]

    RewriteCond %{REQUEST_URI} .well-known/security.txt
    RewriteRule ^ /security.txt [L,R=301,N]

    # Redirect Trailing Slashes If Not A Folder...
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteCond %{REQUEST_FILENAME} !dav/*
    RewriteCond %{REQUEST_URI} (.+)/$
    RewriteRule ^ %1 [L,R=301]

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