Mobile detection configuration for nginx

gistfile1.txt

# /var/log/nginx/conf.d/mobile.conf
map $http_user_agent $mobile {
  default 0;
  ~*(android|bb\d+|meego).+mobile|ip(hone|od)|opera\sm(ob|in)i|mobile.+firefox  1;
  ~*iemobile|phone|symbian|windows\sce|blackberry|up\.(browser|link)            1;
  ~*avantgo|bada\/|blazer|compal|elaine|fennec|hiptop|iris|kindle|lge\s|maemo   1;
  ~*midp|mmp|netfront|palm(\sos)?|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0   1;
  ~*treo|vodafone|wap|xda|xiino 1;

  ~*^(1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a\swa|abac|ac(er|oo|s\-)) 1;
  ~*^(ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us))    1;
  ~*^(attw|au(di|\-m|[rs]\s)|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az))         1;
  ~*^(br[ev]w|bumb|bw\-[nu]|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-)     1;
  ~*^(co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do[cp]o)        1;
  ~*^(ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze))    1;
  ~*^(fetc|fly[\-_]|g1\su|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie)  1;
  ~*^(hcit|hd\-[mpt]|hei\-|hi(pt|ta)|hp(\si|ip)|hs\-c|ht(c[\-\s_agpst]|tp)) 1;
  ~*^(hu(aw|tc)|i\-(20|go|ma)|i230|iac[\s\-\/]|ibro|idea|ig01|ikom|im1k)    1;
  ~*^(inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt[\s\/]|klon)      1;
  ~*^(kpt\s|kwc\-|kyo[ck]|le(no|xi)|lg(\sg|\/[klu]|50|54|\-[a-w])|libw)     1;
  ~*^(lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri))      1;
  ~*^(mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t[\-\sov]|zz)|mt(50|p1|v\s)|mwbp) 1;
  ~*^(mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50[025]|n7(0[01]|10))                1;
  ~*^(ne([cm]\-|on|tf|wf|wg|wt)|nok[6i]|nzph|o2im|op(ti|wv)|oran|owg1|p800) 1;
  ~*^(pan[adt]|pdxg|pg(13|\-[1-8c])|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)) 1;
  ~*^(prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600)  1;
  ~*^(raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|oo|[hp]\-))     1;
  ~*^(sdk\/|se(c[\-01]|47|mc|nd|ri)|sgh\-|shar|sie[\-m]|sk\-0|sl(45|id))    1;
  ~*^(sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|[hv]\-|v\s)|sy(01|mb)|t2(18|50))   1;
  ~*^(t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel[im]|tim\-|t\-mo|to(pl|sh))     1;
  ~*^(ts(70|m[\-35])|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te))     1;
  ~*^(vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98))   1;
  ~*^(w3c[\-\s]|webc|whit|wi(g\s|nc|nw)|wmlb|wonu|x700|yas\-|your|zeto)     1;
  ~*^zte\-  1;
}

map $mobile $desktop {
  default 1;
  1 0;
  0 1;
}

# nginx.conf
http {
  ...
  # split logs for mobile and desktop (desktop is less relevant to me)
  log_format mobile_log '$remote_addr - $remote_user [$time_local] '
          '"$request" $status $body_bytes_sent '
          '"$http_referer" "$http_user_agent" '
          '$request_time $upstream_response_time $pipe';

  log_format desktop_log '$remote_addr [$time_local] '
          '[$request] [$http_referer] [$http_user_agent]';

  access_log /var/log/nginx/access.mobile.log  mobile_log  if=$mobile;
  access_log /var/log/nginx/access.desktop.log desktop_log if=$desktop;

  # This probably exists, so don't use it twice
  include /etc/nginx/conf.d/*.conf;
}

# for example, if I want my desktop users to receive a blank response
server {
  ...
  if ($desktop) {
    return 200;
  }
}