88 lines
1.7 KiB
Go
88 lines
1.7 KiB
Go
package jwtx
|
|
|
|
import (
|
|
"allapp/config"
|
|
"context"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/golang-jwt/jwt/v5"
|
|
)
|
|
|
|
// CustomClaims 定义 JWT 自定义 Claims
|
|
type CustomClaims struct {
|
|
UserID int64 `json:"user_id"`
|
|
jwt.RegisteredClaims
|
|
}
|
|
|
|
// jwtManager 单例管理
|
|
type jwtManager struct {
|
|
secret string
|
|
tokenExpiry time.Duration
|
|
}
|
|
|
|
var (
|
|
manager *jwtManager
|
|
once sync.Once
|
|
)
|
|
|
|
// getManager 自动初始化单例
|
|
func getManager() *jwtManager {
|
|
once.Do(func() {
|
|
cfg := config.GetConf().JWT
|
|
manager = &jwtManager{
|
|
secret: cfg.Secret,
|
|
tokenExpiry: cfg.AccessExpiry,
|
|
}
|
|
})
|
|
return manager
|
|
}
|
|
|
|
// CreateToken 生成 JWT
|
|
func CreateToken(ctx context.Context, userID int64) (string, error) {
|
|
m := getManager()
|
|
return m.createToken(userID)
|
|
}
|
|
|
|
// VerifyToken 校验 token 并返回 claims
|
|
func VerifyToken(ctx context.Context, tokenString string) (*CustomClaims, bool) {
|
|
if tokenString == "" {
|
|
return nil, false
|
|
}
|
|
|
|
m := getManager()
|
|
|
|
token, err := jwt.ParseWithClaims(tokenString, &CustomClaims{}, func(token *jwt.Token) (interface{}, error) {
|
|
return []byte(m.secret), nil
|
|
})
|
|
|
|
if err != nil || !token.Valid {
|
|
return nil, false
|
|
}
|
|
|
|
claims, ok := token.Claims.(*CustomClaims)
|
|
if !ok {
|
|
return nil, false
|
|
}
|
|
|
|
return claims, true
|
|
}
|
|
|
|
// createToken 私有方法
|
|
func (j *jwtManager) createToken(userID int64) (string, error) {
|
|
now := time.Now()
|
|
claims := &CustomClaims{
|
|
UserID: userID,
|
|
RegisteredClaims: jwt.RegisteredClaims{
|
|
IssuedAt: jwt.NewNumericDate(now),
|
|
},
|
|
}
|
|
|
|
if j.tokenExpiry > 0 {
|
|
claims.ExpiresAt = jwt.NewNumericDate(now.Add(j.tokenExpiry))
|
|
}
|
|
|
|
token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
|
|
return token.SignedString([]byte(j.secret))
|
|
}
|