mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-12-05 08:06:30 +00:00
87 lines
2.4 KiB
Go
87 lines
2.4 KiB
Go
// Copyright 2023 Woodpecker 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 grpc
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/golang-jwt/jwt/v5"
|
|
)
|
|
|
|
// JWTManager is a JSON web token manager.
|
|
type JWTManager struct {
|
|
secretKey string
|
|
tokenDuration time.Duration
|
|
}
|
|
|
|
// UserClaims is a custom JWT claims that contains some user's information.
|
|
type AgentTokenClaims struct {
|
|
jwt.RegisteredClaims
|
|
AgentID int64 `json:"agent_id"`
|
|
}
|
|
|
|
const jwtTokenDuration = 1 * time.Hour
|
|
|
|
// NewJWTManager returns a new JWT manager.
|
|
func NewJWTManager(secretKey string) *JWTManager {
|
|
return &JWTManager{secretKey, jwtTokenDuration}
|
|
}
|
|
|
|
// Generate generates and signs a new token for a user.
|
|
func (manager *JWTManager) Generate(agentID int64) (string, error) {
|
|
claims := AgentTokenClaims{
|
|
RegisteredClaims: jwt.RegisteredClaims{
|
|
Issuer: "woodpecker",
|
|
Subject: fmt.Sprintf("%d", agentID),
|
|
Audience: jwt.ClaimStrings{},
|
|
NotBefore: jwt.NewNumericDate(time.Now()),
|
|
IssuedAt: jwt.NewNumericDate(time.Now()),
|
|
ID: fmt.Sprintf("%d", agentID),
|
|
ExpiresAt: jwt.NewNumericDate(time.Now().Add(manager.tokenDuration)),
|
|
},
|
|
AgentID: agentID,
|
|
}
|
|
|
|
token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
|
|
return token.SignedString([]byte(manager.secretKey))
|
|
}
|
|
|
|
// Verify verifies the access token string and return a user claim if the token is valid.
|
|
func (manager *JWTManager) Verify(accessToken string) (*AgentTokenClaims, error) {
|
|
token, err := jwt.ParseWithClaims(
|
|
accessToken,
|
|
&AgentTokenClaims{},
|
|
func(token *jwt.Token) (any, error) {
|
|
_, ok := token.Method.(*jwt.SigningMethodHMAC)
|
|
if !ok {
|
|
return nil, errors.New("unexpected token signing method")
|
|
}
|
|
|
|
return []byte(manager.secretKey), nil
|
|
},
|
|
)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("invalid token: %w", err)
|
|
}
|
|
|
|
claims, ok := token.Claims.(*AgentTokenClaims)
|
|
if !ok {
|
|
return nil, errors.New("invalid token claims")
|
|
}
|
|
|
|
return claims, nil
|
|
}
|