Options -Indexes

RewriteEngine On
RewriteRule ^favicon.ico$ styles/bootstrap/favicon.ico [L]

# Store the current location in an environment variable CWD to use
# mod_rewrite in .htaccess files without knowing the RewriteBase
RewriteCond $0#%{REQUEST_URI} ([^#]*)#(.*)\1$
RewriteRule ^.*$ - [E=CWD:%2]

# Do not allow access on the other directories in www
RewriteRule "^utils/.*$" "" [F]
RewriteRule "^doc/.*$" "" [F]

# Anything below the following dirs will never be rewritten
RewriteRule "^pdfviewer/.*$" "-" [L]
RewriteRule "^views/.*/images.*$" "-" [L]
RewriteRule "^out/images.*$" "-" [L]
RewriteRule "^styles/.*$" "-" [L]

# Accessing a file in an extension is always possible
# Added for old extensions which do not use routes
RewriteCond %{REQUEST_FILENAME} -f
RewriteRule "^ext/.*$" "-" [L]

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-l
RewriteRule ^.*$ %{ENV:CWD}index.php [QSA,L]