mirror of
https://github.com/caddyserver/caddy.git
synced 2025-11-03 19:17:29 -05:00
85 lines
2.4 KiB
Go
85 lines
2.4 KiB
Go
// Copyright 2015 Matthew Holt and The Caddy Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package caddyauth
|
|
|
|
import (
|
|
"encoding/base64"
|
|
"flag"
|
|
"fmt"
|
|
|
|
"github.com/caddyserver/caddy/v2"
|
|
caddycmd "github.com/caddyserver/caddy/v2/cmd"
|
|
"golang.org/x/crypto/bcrypt"
|
|
"golang.org/x/crypto/scrypt"
|
|
)
|
|
|
|
func init() {
|
|
caddycmd.RegisterCommand(caddycmd.Command{
|
|
Name: "hash-password",
|
|
Func: cmdHashPassword,
|
|
Usage: "--plaintext <password> [--salt <string>] [--algorithm <name>]",
|
|
Short: "Hashes a password and writes base64",
|
|
Long: `
|
|
Convenient way to hash a plaintext password. The resulting
|
|
hash is written to stdout as a base64 string.
|
|
|
|
--algorithm may be bcrypt or scrypt. If script, the default
|
|
parameters are used.
|
|
|
|
Use the --salt flag for algorithms which require a salt to
|
|
be provided (scrypt).
|
|
`,
|
|
Flags: func() *flag.FlagSet {
|
|
fs := flag.NewFlagSet("hash-password", flag.ExitOnError)
|
|
fs.String("algorithm", "bcrypt", "Name of the hash algorithm")
|
|
fs.String("plaintext", "", "The plaintext password")
|
|
fs.String("salt", "", "The password salt")
|
|
return fs
|
|
}(),
|
|
})
|
|
}
|
|
|
|
func cmdHashPassword(fs caddycmd.Flags) (int, error) {
|
|
algorithm := fs.String("algorithm")
|
|
plaintext := []byte(fs.String("plaintext"))
|
|
salt := []byte(fs.String("salt"))
|
|
|
|
if len(plaintext) == 0 {
|
|
return caddy.ExitCodeFailedStartup, fmt.Errorf("password is required")
|
|
}
|
|
|
|
var hash []byte
|
|
var err error
|
|
switch algorithm {
|
|
case "bcrypt":
|
|
hash, err = bcrypt.GenerateFromPassword(plaintext, bcrypt.DefaultCost)
|
|
case "scrypt":
|
|
def := ScryptHash{}
|
|
def.SetDefaults()
|
|
hash, err = scrypt.Key(plaintext, salt, def.N, def.R, def.P, def.KeyLength)
|
|
default:
|
|
return caddy.ExitCodeFailedStartup, fmt.Errorf("unrecognized hash algorithm: %s", algorithm)
|
|
}
|
|
if err != nil {
|
|
return caddy.ExitCodeFailedStartup, err
|
|
}
|
|
|
|
hashBase64 := base64.StdEncoding.EncodeToString([]byte(hash))
|
|
|
|
fmt.Println(hashBase64)
|
|
|
|
return 0, nil
|
|
}
|