mirror of
https://github.com/minio/minio.git
synced 2024-12-25 06:35:56 -05:00
105 lines
2.7 KiB
Go
105 lines
2.7 KiB
Go
/*
|
|
* Minio Cloud Storage, (C) 2016 Minio, Inc.
|
|
*
|
|
* 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 cmd
|
|
|
|
import (
|
|
"errors"
|
|
"strings"
|
|
"time"
|
|
|
|
jwtgo "github.com/dgrijalva/jwt-go"
|
|
"golang.org/x/crypto/bcrypt"
|
|
)
|
|
|
|
const jwtAlgorithm = "Bearer"
|
|
|
|
// JWT - jwt auth backend
|
|
type JWT struct {
|
|
credential
|
|
}
|
|
|
|
// Default each token expires in 100yrs.
|
|
const (
|
|
defaultTokenExpiry time.Duration = time.Hour * 876000 // 100yrs.
|
|
)
|
|
|
|
// newJWT - returns new JWT object.
|
|
func newJWT(expiry time.Duration) (*JWT, error) {
|
|
if serverConfig == nil {
|
|
return nil, errors.New("Server not initialzed")
|
|
}
|
|
if expiry == 0 {
|
|
expiry = defaultTokenExpiry
|
|
}
|
|
|
|
// Save access, secret keys.
|
|
cred := serverConfig.GetCredential()
|
|
if !isValidAccessKey.MatchString(cred.AccessKeyID) {
|
|
return nil, errors.New("Invalid access key")
|
|
}
|
|
if !isValidSecretKey.MatchString(cred.SecretAccessKey) {
|
|
return nil, errors.New("Invalid secret key")
|
|
}
|
|
|
|
return &JWT{cred}, nil
|
|
}
|
|
|
|
// GenerateToken - generates a new Json Web Token based on the incoming access key.
|
|
func (jwt *JWT) GenerateToken(accessKey string) (string, error) {
|
|
// Trim spaces.
|
|
accessKey = strings.TrimSpace(accessKey)
|
|
|
|
if !isValidAccessKey.MatchString(accessKey) {
|
|
return "", errors.New("Invalid access key")
|
|
}
|
|
|
|
tUTCNow := time.Now().UTC()
|
|
token := jwtgo.NewWithClaims(jwtgo.SigningMethodHS512, jwtgo.MapClaims{
|
|
// Token expires in 10hrs.
|
|
"exp": tUTCNow.Add(defaultTokenExpiry).Unix(),
|
|
"iat": tUTCNow.Unix(),
|
|
"sub": accessKey,
|
|
})
|
|
return token.SignedString([]byte(jwt.SecretAccessKey))
|
|
}
|
|
|
|
// Authenticate - authenticates incoming access key and secret key.
|
|
func (jwt *JWT) Authenticate(accessKey, secretKey string) error {
|
|
// Trim spaces.
|
|
accessKey = strings.TrimSpace(accessKey)
|
|
|
|
if !isValidAccessKey.MatchString(accessKey) {
|
|
return errors.New("Invalid access key")
|
|
}
|
|
if !isValidSecretKey.MatchString(secretKey) {
|
|
return errors.New("Invalid secret key")
|
|
}
|
|
|
|
if accessKey != jwt.AccessKeyID {
|
|
return errors.New("Access key does not match")
|
|
}
|
|
|
|
hashedSecretKey, _ := bcrypt.GenerateFromPassword([]byte(jwt.SecretAccessKey), bcrypt.DefaultCost)
|
|
|
|
if bcrypt.CompareHashAndPassword(hashedSecretKey, []byte(secretKey)) != nil {
|
|
return errors.New("Authentication failed")
|
|
}
|
|
|
|
// Success.
|
|
return nil
|
|
}
|