Go/Golang package for parsing user agent strings

Parse browser's and bot's user agents strings and determin user agent name, version, operating system name etc.

Status

Still need some work on detecting Andorid device name.

Installation

go get github.com/mileusna/useragent

Example

package main

import (
	"fmt"
	"strings"

	"github.com/mileusna/useragent"
)

func main() {
    userAgents := []string{
        "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/603.3.8 (KHTML, like Gecko) Version/10.1.2 Safari/603.3.8",
        "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36",
        "Mozilla/5.0 (iPhone; CPU iPhone OS 10_3_2 like Mac OS X) AppleWebKit/603.2.4 (KHTML, like Gecko) Version/10.0 Mobile/14F89 Safari/602.1",	
        "Mozilla/5.0 (iPhone; CPU iPhone OS 10_3_2 like Mac OS X) AppleWebKit/603.2.4 (KHTML, like Gecko) FxiOS/8.1.1b4948 Mobile/14F89 Safari/603.2.4",
        "Mozilla/5.0 (iPad; CPU OS 10_3_2 like Mac OS X) AppleWebKit/603.2.4 (KHTML, like Gecko) Version/10.0 Mobile/14F89 Safari/602.1",
        "Mozilla/5.0 (Linux; Android 4.3; GT-I9300 Build/JSS15J) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.125 Mobile Safari/537.36",
        "Mozilla/5.0 (Android 4.3; Mobile; rv:54.0) Gecko/54.0 Firefox/54.0",
        "Mozilla/5.0 (Linux; Android 4.3; GT-I9300 Build/JSS15J) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.91 Mobile Safari/537.36 OPR/42.9.2246.119956",
        "Opera/9.80 (Android; Opera Mini/28.0.2254/66.318; U; en) Presto/2.12.423 Version/12.16",
	}

    for _, s := range userAgents {
        ua := ua.Parse(s)
        fmt.Println()
        fmt.Println(ua.String)
        fmt.Println(strings.Repeat("=", len(ua.String)))
        fmt.Println("Name:", ua.Name, "v", ua.Version)
        fmt.Println("OS:", ua.OS, "v", ua.OSVersion)
        fmt.Println("Device:", ua.Device)
        if ua.Mobile {
            fmt.Println("(Mobile)")
        }
        if ua.Tablet {
            fmt.Println("(Tablet)")
        }
        if ua.Desktop {
            fmt.Println("(Desktop)")
        }
        if ua.Bot {
            fmt.Println("(Bot)")
        }
        if ua.URL != "" {
            fmt.Println(ua.URL)
        }
    }
}

Notice

• Opera and Opera Mini are two browsers, since they operate on very differenta way.
• If Googlebot (or any other bot) is detected and it is using its mobile crawler, both bot and mobile flags will be set to true.