mirror of
https://github.com/minio/minio.git
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ae2f15c6d0
- Fixes a bug where bucketName was not denormalized. - Remove unneeded functions from jwt.go
103 lines
2.8 KiB
Go
103 lines
2.8 KiB
Go
/*
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* Minio Cloud Storage, (C) 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package main
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import (
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"crypto/rsa"
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"crypto/x509"
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"encoding/pem"
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"errors"
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"io/ioutil"
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"time"
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jwtgo "github.com/dgrijalva/jwt-go"
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"github.com/minio/minio-xl/pkg/probe"
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"golang.org/x/crypto/bcrypt"
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)
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// JWT - jwt auth backend
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type JWT struct {
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// Public value.
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PublicKey *rsa.PublicKey
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// private values.
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privateKey *rsa.PrivateKey
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accessKeyID string
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secretAccessKey string
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}
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const (
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jwtExpirationDelta = 10
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)
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// InitJWT - initialize.
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func InitJWT() *JWT {
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jwt := &JWT{
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privateKey: getPrivateKey(),
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}
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// Validate if public key is of algorithm *rsa.PublicKey.
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var ok bool
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jwt.PublicKey, ok = jwt.privateKey.Public().(*rsa.PublicKey)
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if !ok {
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fatalIf(probe.NewError(errors.New("")), "Unsupported type of public key algorithm found.", nil)
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}
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// Load credentials configuration.
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config, err := loadConfigV2()
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fatalIf(err.Trace("JWT"), "Unable to load configuration file.", nil)
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// Save access, secret keys.
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jwt.accessKeyID = config.Credentials.AccessKeyID
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jwt.secretAccessKey = config.Credentials.SecretAccessKey
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return jwt
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}
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// GenerateToken - generates a new Json Web Token based on the incoming user id.
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func (b *JWT) GenerateToken(userName string) (string, error) {
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token := jwtgo.New(jwtgo.SigningMethodRS512)
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// Token expires in 10hrs.
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token.Claims["exp"] = time.Now().Add(time.Hour * time.Duration(jwtExpirationDelta)).Unix()
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token.Claims["iat"] = time.Now().Unix()
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token.Claims["sub"] = userName
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tokenString, err := token.SignedString(b.privateKey)
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if err != nil {
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return "", err
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}
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return tokenString, nil
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}
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// Authenticate - authenticates the username and password.
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func (b *JWT) Authenticate(username, password string) bool {
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hashedPassword, _ := bcrypt.GenerateFromPassword([]byte(b.secretAccessKey), 10)
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if username == b.accessKeyID {
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return bcrypt.CompareHashAndPassword(hashedPassword, []byte(password)) == nil
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}
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return false
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}
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// getPrivateKey - get the generated private key.
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func getPrivateKey() *rsa.PrivateKey {
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pemBytes, err := ioutil.ReadFile(mustGetPrivateKeyPath())
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if err != nil {
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panic(err)
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}
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data, _ := pem.Decode([]byte(pemBytes))
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privateKeyImported, err := x509.ParsePKCS1PrivateKey(data.Bytes)
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if err != nil {
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panic(err)
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}
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return privateKeyImported
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}
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