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User Agent detection for Ruby. ActionController integration coming soon.
(NOTE: Should we change the project’s name? Please visit the Issues to chime in.)
There are quite a few User Agent parsing libraries already, but none of them make adequate detection of mobile browsers and clients. With such a significant number of requests coming from mobile users a library with the ability to detect what type of device a user is coming from is necessary.
This library for Ruby will allow you to detect whether a user is on a computer, a mobile device, or is a bot (such as Google). It was composed by using techniques gathered from several other libraries/gems in an effort to be consistent and cover as many types of agents as possible.
This library does detect the requesting user (device, platform, os, framework, and browser with versions) and now has some rpsec tests. While it is stable and no large restructuring is planned, it can use some optimizations and improvements to the detection algorithms. The techniques currently in place are rather simple, and not perfect (for example, it is currently confused if it sees both Chrome and Safari in user agent string, and doesn’t pick based on order of appearance). If you’d like to help, please contact me.
gem install agent_orange
If you’re going to use it with Rails then add the gem to your Gemfile.
>> ua = AgentOrange::UserAgent.new(user_agent_string)
>> device = ua.device => "Mobile" >> device.type => "mobile" >> device.name => "Mobile" >> device.version => nil
>> device.is_mobile? => true >> device.is_computer? => false >> device.is_bot? => false
>> ua.is_mobile? => true
>> platform = ua.device.platform => "iPhone" >> platform.type => "iphone" >> platform.name => "iPhone" >> platform.version => "3GS"
>> os = ua.device.operating_system => "iPhone OS 4.3" >> os.type => "iphone_os" >> os.name => "iPhone OS" >> os.version => "4.3"
>> engine = ua.device.engine => "WebKit 5.3" >> engine.type => "webkit" >> engine.name => "WebKit" >> engine.version => "5.3.1.2321"
>> browser = ua.device.engine.browser => "Internet Explorer 10" >> browser.type => "ie" >> browser.name => "Internet Explorer" >> browser.version => "10.0.112"
>> AgentOrange::UserAgent.new(user_agent_string).device.engine.browser.version => "10.0.112"
This is not up to date or a reflection of the actual class structure. This will be updated eventually. See rubydoc.info/gems/agent_orange/frames for more detailed docs.
AgentOrange::UserAgent
device parse is_computer? # proxy is_mobile? # proxy is_bot? # proxy to_s
AgentOrange::Device
parse type name version is_computer?(name=nil) # is_mobile?(name=nil) # accepts a :symbol or "String" is_bot?(name=nil) # to_s
AgentOrange::Engine
parse type name version to_s
AgentOrange::Version
parse major minor patch_level build_number to_s
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Kevin Elliott - kevinelliott.net - github.com/kevinelliott
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WeLike - www.welikeinc.com - github.com/welike
A warm thank you to all contributors to the project, who have put effort and time into making this gem more useful.
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David Rice (@davidjrice) - RSpec tests and bug fixes.
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Joshua Siler (@eatenbyagrue) - Bot detection, initial test, and bug fixes.
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Alexander Rozumiy (@brain-geek) - Rspec testing for 1.9, updated travis-ci config, updated useragents to test against.
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Joe Lencioni (@lencioni) - Improved bot detection.
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Todd Huss (@thuss) of Two Bit Labs (@twobitlabs) - Google Mobile crawler detection as mobile and bot.
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Aidan Feldman (@afeld) - Initial YARD documentation, and minor fix.
(The MIT License)
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the ‘Software’), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ‘AS IS’, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.