gistfile1.txt

#######################################################
###  nginx default maps
#######################################################

###
### Support separate Boost and Speed Booster caches for various mobile devices.
###
map $http_user_agent $device {
  default                                                                normal;
  ~*Nokia|BlackBerry.+MIDP|240x|320x|Palm|NetFront|Symbian|SonyEricsson  mobile-other;
  ~*iPhone|iPod|Android|BlackBerry.+AppleWebKit                          mobile-smart;
  ~*iPad|Tablet                                                          mobile-tablet;
}

###
### Set a cache_uid variable for authenticated users (by @brianmercer and @perusio, fixed by @omega8cc).
###
map $http_cookie $cache_uid {
  default  '';
  ~SESS[[:alnum:]]+=(?<session_id>[[:graph:]]+)  $session_id;
}

###
### Live switch of $key_uri for Speed Booster cache depending on $args.
###
map $request_uri $key_uri {
  default                                                                            $request_uri;
  ~(?<no_args_uri>[[:graph:]]+)\?(.*)(utm_|__utm|_campaign|gclid|source=|adv=|req=)  $no_args_uri;
}

###
### Set cache expiration depending on the Drupal core version.
###
map $sent_http_x_purge_level $will_expire_in {
  default   on-demand;
  ~*5|none  5m;
}

###
### Deny crawlers.
###
map $http_user_agent $is_crawler {
  default  '';
  ~*HTTrack|2009042316.*Firefox.*3\.0\.10|MJ12|HTMLParser|libwww|PECL|Automatic|Click|SiteBot|BuzzTrack|Sistrix|Offline|Screaming|Nutch|Mireo|SWEB|Morfeus  is_crawler;
}

###
### Deny all known bots on some URIs.
###
map $http_user_agent $is_bot {
  default  '';
  ~*crawl|goog|yahoo|yandex|spider|bot|tracker|click|parser  is_bot;
}

###
### Deny almost all crawlers under high load.
###
map $http_user_agent $deny_on_high_load {
  default  '';
  ~*crawl|goog|yahoo|yandex|baidu|bing|spider|tracker|click|parser  deny_on_high_load;
}

###
### Deny listed requests for security reasons.
###
map $args $is_denied {
  default  '';
  ~*delete.+from|insert.+into|select.+from|union.+select|onload|\.php.+src|system\(.+|document\.cookie|\;|\.\.  is_denied;
}