64 lines
1.2 KiB
Go
64 lines
1.2 KiB
Go
package utils
|
|
|
|
import (
|
|
"crypto/rsa"
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/golang-jwt/jwt/v5"
|
|
)
|
|
|
|
type JwtPayload struct {
|
|
UserId string `json:"userId"`
|
|
}
|
|
|
|
type JwtClaims struct {
|
|
jwt.RegisteredClaims
|
|
JwtPayload
|
|
}
|
|
|
|
type JwtUtil interface {
|
|
Create(payload JwtPayload) (string, error)
|
|
Parse(tokenStr string) (JwtClaims, error)
|
|
}
|
|
|
|
func NewJwtUtil(privateKey *rsa.PrivateKey) JwtUtil {
|
|
return &jwtUtil{
|
|
privateKey: privateKey,
|
|
}
|
|
}
|
|
|
|
type jwtUtil struct {
|
|
privateKey *rsa.PrivateKey
|
|
}
|
|
|
|
func (j *jwtUtil) Create(payload JwtPayload) (string, error) {
|
|
claims := &JwtClaims{
|
|
JwtPayload: payload,
|
|
RegisteredClaims: jwt.RegisteredClaims{
|
|
ExpiresAt: jwt.NewNumericDate(time.Now().Add(24 * time.Hour)),
|
|
},
|
|
}
|
|
token := jwt.NewWithClaims(jwt.SigningMethodRS256, claims)
|
|
tokenStr, err := token.SignedString(j.privateKey)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
return tokenStr, nil
|
|
}
|
|
|
|
func (j *jwtUtil) Parse(tokenStr string) (JwtClaims, error) {
|
|
token, err := jwt.ParseWithClaims(tokenStr, &JwtClaims{}, func(t *jwt.Token) (interface{}, error) {
|
|
return &j.privateKey.PublicKey, nil
|
|
})
|
|
if err != nil {
|
|
return JwtClaims{}, err
|
|
}
|
|
|
|
if claims, ok := token.Claims.(*JwtClaims); ok {
|
|
return *claims, nil
|
|
}
|
|
|
|
return JwtClaims{}, fmt.Errorf("cant get payload")
|
|
}
|