49 lines
1 KiB
Go
49 lines
1 KiB
Go
package cmd
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
|
|
"github.com/spf13/cobra"
|
|
"golang.org/x/crypto/bcrypt"
|
|
)
|
|
|
|
func init() {
|
|
flags := bcryptCmd.Flags()
|
|
flags.IntP("cost", "c", bcrypt.DefaultCost, "cost used to generate password, higher cost leads to slower verification times")
|
|
|
|
rootCmd.AddCommand(bcryptCmd)
|
|
}
|
|
|
|
var bcryptCmd = &cobra.Command{
|
|
Use: "bcrypt",
|
|
Short: "Generate a bcrypt encrypted password",
|
|
Args: cobra.ExactArgs(1),
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
cost, err := cmd.Flags().GetInt("cost")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if cost < bcrypt.MinCost {
|
|
return fmt.Errorf("given cost cannot be under minimum cost of %d", bcrypt.MinCost)
|
|
}
|
|
|
|
if cost > bcrypt.MaxCost {
|
|
return fmt.Errorf("given cost cannot be over maximum cost of %d", bcrypt.MaxCost)
|
|
}
|
|
|
|
pwd := args[0]
|
|
if pwd == "" {
|
|
return errors.New("password argument must not be empty")
|
|
}
|
|
|
|
hash, err := bcrypt.GenerateFromPassword([]byte(pwd), cost)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
fmt.Println(string(hash))
|
|
return nil
|
|
},
|
|
}
|