laba/main0.go

package main

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

func main() {
	http.HandleFunc("/Status", status)
	http.ListenAndServe(":8080", nil)

}

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

func status(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, "niv794\n")
	response, error := http.Get("https://api.ipify.org/?format=text") //API IP-адрес
	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") //сокрытие октета
	fmt.Fprint(w, "IP-address: ", out, "\n")
	now := time.Now()
	fmt.Fprintf(w, now.Format("2006-01-02 3:4:5 pm")) //дата
}