<FilesMatch "gateway.php">
  SetEnvIf Authorization "(.*)" HTTP_AUTHORIZATION=$1
  <IfModule mod_authz_core.c>
    Require all granted
  </IfModule>
  <IfModule !mod_authz_core.c>
    Order Allow,Deny
    Allow from all
  </IfModule>
  </FilesMatch>
  <FilesMatch "deine-rechnung.php">
    <IfModule mod_authz_core.c>
    Require all granted
  </IfModule>
  <IfModule !mod_authz_core.c>
    Order Allow,Deny
    Allow from all
  </IfModule>
  </FilesMatch>
    <FilesMatch "rechnung.php">
    <IfModule mod_authz_core.c>
    Require all granted
  </IfModule>
  <IfModule !mod_authz_core.c>
    Order Allow,Deny
    Allow from all
  </IfModule>
  </FilesMatch>
  <FilesMatch "download-invoice.php">
    <IfModule mod_authz_core.c>
    Require all granted
  </IfModule>
  <IfModule !mod_authz_core.c>
    Order Allow,Deny
    Allow from all
  </IfModule>
  </FilesMatch>
