refactor authentication (#1950)

pkg/utils/jwtutil/jwt.go

@@ -1,70 +0,0 @@
-/*
-
- Copyright 2019 The KubeSphere 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 jwtutil
-
-import (
-	"fmt"
-	"github.com/dgrijalva/jwt-go"
-	"os"
-)
-
-const secretEnv = "JWT_SECRET"
-
-var secretKey []byte
-
-func init() {
-	if secret := os.Getenv(secretEnv); secret != "" {
-		Setup(secret)
-	}
-}
-
-func Setup(secret string) {
-	secretKey = []byte(secret)
-}
-
-func MustSigned(claims jwt.MapClaims) string {
-	uToken := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
-	token, err := uToken.SignedString(secretKey)
-	if err != nil {
-		panic(err)
-	}
-	return token
-}
-
-func provideKey(token *jwt.Token) (interface{}, error) {
-	if _, ok := token.Method.(*jwt.SigningMethodHMAC); ok {
-		return secretKey, nil
-	} else {
-		return nil, fmt.Errorf("expect token signed with HMAC but got %v", token.Header["alg"])
-	}
-}
-
-func ValidateToken(uToken string) (*jwt.Token, error) {
-
-	if len(uToken) == 0 {
-		return nil, fmt.Errorf("token length is zero")
-	}
-
-	token, err := jwt.Parse(uToken, provideKey)
-
-	if err != nil {
-		return nil, err
-	}
-
-	return token, nil
-}