parser pwned_passwd

parser_pwned_passwd.go

package main

import (
    "crypto/sha1"
    "fmt"
    "io/ioutil"
    "net/http"
    "os"
    "strings"
)

func main() {
    // ввод пароля(тестовый)
    password := os.Args[1]

    fmt.Println(check(password))
}

func check(passwd string) string {
    i := fmt.Sprintf("%X", sha1.Sum([]byte(passwd)))
    r := strings.ToUpper(i[:5])
    resp, err := http.Get("https://api.pwnedpasswords.com/range/" + r)
    if err != nil {
        return "Something went wrong! Try again"
    }
    defer resp.Body.Close()

    body, err := ioutil.ReadAll(resp.Body)
    if err != nil {
        return "Something went wrong! Try again"
    }

    lines := strings.Split(string(body), "\n")
    e := i[5:40]
    for _, line := range lines {
        f := strings.Split(line, ":")[0]
        t := strings.Split(line, ":")[1]
        if t != "" && e == f {
            res := "Oh no, pwned!"
            if t == "1" {
                time := "time"
                return fmt.Sprintf("%s\nThis password has been seen %s %s before", res, t, time)
            }
            time := "times"
            return fmt.Sprintf("%s\nThis password has been seen %s %s before", res, t, time)
        }
    }

    return "Good news — no pwnage found!"
}