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package main
import (
"encoding/base32"
"encoding/base64"
"encoding/xml"
"flag"
"fmt"
"os"
"github.com/skip2/go-qrcode"
)
func run() error {
args := flag.Args()
if len(args) != 1 {
return fmt.Errorf("usage: auth <config file>")
}
fileBytes, err := os.ReadFile(args[0])
if err != nil {
return err
}
var config struct {
AuthKey string `xml:",attr"`
}
if err := xml.Unmarshal(fileBytes, &config); err != nil {
return err
}
if config.AuthKey == "" {
return fmt.Errorf("%s: missing AuthKey", args[0])
}
authKey, err := base64.StdEncoding.DecodeString(config.AuthKey)
if err != nil {
return err
}
qrCode, err := qrcode.New(fmt.Sprintf("otpauth://totp/roseh.moe:rose?secret=%s&issuer=roseh.moe", base32.StdEncoding.WithPadding(base32.NoPadding).EncodeToString(authKey)), qrcode.Medium)
if err != nil {
return err
}
fmt.Print(qrCode.ToSmallString(false))
return nil
}
func main() {
flag.Parse()
if err := run(); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}
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