# Disable directory browsing
Options -Indexes

# ----------------------------------------------------------------------
# Rewrite engine
# ----------------------------------------------------------------------

# Turning on the rewrite engine is necessary for the following rules and features.
# FollowSymLinks must be enabled for this to work.
<IfModule mod_rewrite.c>
	Options +FollowSymlinks
	RewriteEngine On

	# If you installed CodeIgniter in a subfolder, you will need to
	# change the following line to match the subfolder you need.
	# http://httpd.apache.org/docs/current/mod/mod_rewrite.html#rewritebase
	# RewriteBase /

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

	# Rewrite "www.example.com -> example.com"
	RewriteCond %{HTTPS} !=on
	RewriteCond %{HTTP_HOST} ^www\.(.+)$ [NC]
	RewriteRule ^ http://%1%{REQUEST_URI} [R=301,L]

	# Checks to see if the user is attempting to access a valid file,
	# such as an image or css document, if this isn't true it sends the
	# request to the front controller, index.php
	RewriteCond %{REQUEST_FILENAME} !-f
	RewriteCond %{REQUEST_FILENAME} !-d
	RewriteRule ^([\s\S]*)$ index.php/$1 [L,NC,QSA]

	# Ensure Authorization header is passed along
	RewriteCond %{HTTP:Authorization} .
	RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
</IfModule>

<IfModule !mod_rewrite.c>
	# If we don't have mod_rewrite installed, all 404's
	# can be sent to index.php, and everything works as normal.
	ErrorDocument 404 index.php
</IfModule>

# Disable server signature start
ServerSignature Off
# Disable server signature end

# Security headers
<IfModule mod_headers.c>
    # Enforce HSTS globally on all responses (including 404s, redirects, and static assets)
    Header always set Strict-Transport-Security "max-age=31536000; includeSubDomains; preload"
    Header always set X-Content-Type-Options "nosniff"
    Header always set X-Frame-Options "SAMEORIGIN"
    Header always set Referrer-Policy "strict-origin-when-cross-origin"

    <FilesMatch "\.(html|htm)$">
        Header set Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' data: blob: https://cdn.jsdelivr.net https://code.jquery.com https://cdn.datatables.net https://oss.maxcdn.com https://cdnjs.cloudflare.com; style-src 'self' 'unsafe-inline' https://cdn.jsdelivr.net https://cdn.datatables.net https://fonts.googleapis.com https://cdnjs.cloudflare.com; font-src 'self' data: https://cdn.jsdelivr.net https://fonts.gstatic.com; img-src 'self' data: blob: https://api.qrserver.com; connect-src 'self' blob: data:; frame-src 'self' data: blob:; media-src 'self' data: blob:; object-src 'none'; worker-src 'self' blob:; manifest-src 'self'; form-action 'self'; base-uri 'self'; frame-ancestors 'self';"
        Header set Permissions-Policy "camera=(), microphone=(), geolocation=(), payment=()"
    </FilesMatch>
    <FilesMatch "^(robots\.txt|sitemap\.xml)$">
        Header set Cache-Control "public, max-age=86400, must-revalidate"
    </FilesMatch>
</IfModule>