64 lines
1.4 KiB
Go
64 lines
1.4 KiB
Go
/*
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Copyright 2019 The KubeSphere Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 jwtutil
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import (
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"fmt"
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"github.com/dgrijalva/jwt-go"
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)
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const secretEnv = "JWT_SECRET"
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var secret []byte
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func Setup(key string) {
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secret = []byte(key)
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}
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func MustSigned(claims jwt.MapClaims) string {
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uToken := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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token, err := uToken.SignedString(secret)
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if err != nil {
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panic(err)
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}
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return token
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}
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func provideKey(token *jwt.Token) (interface{}, error) {
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if _, ok := token.Method.(*jwt.SigningMethodHMAC); ok {
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return secret, nil
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} else {
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return nil, fmt.Errorf("expect token signed with HMAC but got %v", token.Header["alg"])
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}
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}
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func ValidateToken(uToken string) (*jwt.Token, error) {
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if len(uToken) == 0 {
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return nil, fmt.Errorf("token length is zero")
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}
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token, err := jwt.Parse(uToken, provideKey)
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if err != nil {
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return nil, err
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}
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return token, nil
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}
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