laba/main.go

package main

import (
	"fmt"
	"io"
	"net/http"
	"regexp"
	"time"
)

func main() {

	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		http.ServeFile(w, r, "0.0")
	})
	http.HandleFunc("/int", func(w http.ResponseWriter, r *http.Request) {

		ip := r.FormValue("ip address")
		mask := r.FormValue("mask")
		gateway := r.FormValue("gateway")
		dns := r.FormValue("DNS")

		fmt.Fprintf(w, " ip address: 90.111.188.111 %s\n mask: 255.255.255.0 %s\n gateway: 90.111.188.111  %s\n DNS: 8.8.8.8 %s\n", ip, mask, gateway, dns)
	})
	http.ListenAndServe(":8080", nil)

}

var re = regexp.MustCompile("(\\d+\\.)(\\d+\\.\\d+)(\\.\\d+)")

func sayinfo(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, "Сизов Валентин 794")

}

func status(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, "794svs\n")
	response, error := http.Get("https://api.ipify.org/?format=text")
	if error != nil {
		fmt.Println(error)
	}

	body, error := io.ReadAll(response.Body)
	if error != nil {
		fmt.Println(error)
	}

	response.Body.Close()

	out := re.ReplaceAllString(string(body), "$1***.***$3")
	fmt.Fprint(w, "IP-address: ", out, "\n")
	now := time.Now()
	fmt.Fprintf(w, now.Format("2022-12-10 3:4:5 pm"))
}