Simple gem used for generating random valid web user agents.
User agent is a part of HTTP headers and window.navigator JS object.
gem install fake_useragent
You can use generate_user_agent or generate_navigator_js
parameters: os, navigator, device_type and platform (deprecated)
Possible values (strings or string arrays):
os: win, linux, mac
navigator: ie, chrome or firefox
device_type: desktop, smartphone, tablet or all
Keep in mind array combinations are possible.
generate_user_agent(os: %w[win linux])
# → "Mozilla/5.0 (X11; Linux; i686 on x86_64) AppleWebKit/537.36 (KHTML, like Gecko) ..."
generate_user_agent(os: %w[win linux], device_type: 'all')
# → "Mozilla/5.0 (Windows NT 6.3; ; rv:45.0) Gecko/20100101 Firefox/45.0"
generate_user_agent(device_type: %w[smartphone tablet], navigator: 'chrome')
# → "Mozilla/5.0 (Linux; Android 4.4.1; Lenovo S850 Build/KOT49H) AppleWebKit/537.36 ..."
generate_navigator_js #
# → {"appCodeName"=>"Mozilla",
# "appName"=>"Netscape",
# "appVersion"=>"5.0 (Macintosh)",
# "platform"=>"MacIntel",
# "userAgent"=>
# "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:48.0) Gecko/20100101 Firefox/48.0",
# "oscpu"=>"Intel Mac OS X 10.10",
# "product"=>"Gecko",
# "productSub"=>"20100101",
# "vendor"=>"",
# "vendorSub"=>"",
# "buildID"=>"20160808222632"}