Golang Scrape a Netgear Router's web UI, show devices on your network

netgearscraper.go

package main

// rootVIII
// Netgear router scraper

import (
	"fmt"
	"io/ioutil"
	"net/http"
	"os"
	"regexp"
	"strings"
	"time"
)

type router struct {
	ip       string
	login    string
	password string
}

func scrapeUI(response string) [][]string {
	result := regexp.MustCompile(`Info\W+\".*\)`)
	matches := result.FindAllString(response, -1)
	devices := make([][]string, 0)
	for _, line := range matches {
		device := strings.Replace(line[6:len(line)-1], "\"", "", -1)
		devices = append(devices, strings.Split(device, ",")[:3])
	}
	return devices
}

func makeRequest(netgear router) (string, error) {
	client := &http.Client{}
	req, err := http.NewRequest("GET", netgear.ip, nil)
	req.SetBasicAuth(netgear.login, netgear.password)
	resp, err := client.Do(req)
	if err != nil {
		return _, error
	}
	rText, err := ioutil.ReadAll(resp.Body)
	return string(rText), _
}

// set environment variables prior to using
func main() {
	netgear := router{
		ip:       os.Getenv("ROUTER_IP"),
		login:    os.Getenv("ROUTER_LOGIN"),
		password: os.Getenv("ROUTER_PASSWD"),
	}
	fmt.Println(time.Now().Format(time.RFC850) + "\n")
	makeRequest(netgear)
	netgear.ip += "/RgAttachedDevices.asp"
	var page, err = makeRequest(netgear)
	if error != nil {
		panic(err)
	}
	for _, deviceDetail := range scrapeUI(page) {
		for _, info := range deviceDetail {
			fmt.Println(info)
		}
		fmt.Println()
	}
}