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siliconsocket/gist:ae72ad29b3ef8430efc229d1a7a42862

Forked from perusio/gist:1326701
Created April 25, 2020 05:29
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Mobile device detection in Nginx with just 7 lines of configuration
Raw
gistfile1.txt
### Testing if the client is a mobile or a desktop.
### The selection is based on the usual UA strings for desktop browsers.
## Testing a user agent using a method that reverts the logic of the
## UA detection. Inspired by notnotmobile.appspot.com.
map $http_user_agent $is_desktop {
default 0;
~*linux.*android|windows\s+(?:ce|phone) 0; # exceptions to the rule
~*spider|crawl|slurp|bot 1; # bots
~*windows|linux|os\s+x\s*[\d\._]+|solaris|bsd 1; # OSes
}
## Revert the logic.
map $is_desktop $is_mobile {
1 0;
0 1;
}
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siliconsocket commented Apr 25, 2020

Here's how I use it (to redirect mobile traffic to an m.domain.com site):

set $mobile_rewrite do_not_perform;

if ($is_mobile) {
    set $mobile_rewrite perform;
}

if ($mobile_rewrite = perform) {
    rewrite ^ http://m.domain.com$request_uri? redirect;
    break;
}

Its a pretty old post but in case someone want to detect tablet and mobile separately here is my code

map $http_user_agent $ua_device {
	default 'desktop';
	~*(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge\ |maemo|midp|mmp|mobile.+firefox|netfront|opera\ m(ob|in)i|palm(\ os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows\ ce|xda|xiino/i 'mobile';
	~*android|ipad|playbook|silk/i 'tablet';
}

add_header x-ua-device $ua_device;

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