/
jwt_parser.go
147 lines (126 loc) · 3.17 KB
/
jwt_parser.go
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package utils
import (
"os"
"strings"
"github.com/gofiber/fiber/v2"
"github.com/golang-jwt/jwt"
"github.com/google/uuid"
)
type JWTAccess struct {
AccessUuid uuid.UUID `json:"accessUuid"`
User uuid.UUID `json:"userId"`
Role int16 `json:"role"`
jwt.StandardClaims
}
type JWTRefresh struct {
RefreshUuid uuid.UUID `json:"refreshUuid"`
User uuid.UUID `json:"userId"`
FirstName string `json:"firstName"`
LastName string `json:"lastName"`
Email string `json:"email"`
Role int16 `json:"role"`
jwt.StandardClaims
}
func ExtractRefreshToken(t string) (*JWTRefresh, error) {
token, err := jwt.ParseWithClaims(t, &JWTRefresh{}, jwtKeyFunc)
if err != nil {
return nil, err
}
claims, ok := token.Claims.(*JWTRefresh)
if ok && token.Valid {
return &JWTRefresh{
RefreshUuid: claims.RefreshUuid,
User: claims.User,
Email: claims.Email,
FirstName: claims.FirstName,
LastName: claims.LastName,
Role: claims.Role,
StandardClaims: jwt.StandardClaims{
ExpiresAt: claims.ExpiresAt,
},
}, nil
}
return nil, err
}
func ExtractRefreshTokenMetadata(c *fiber.Ctx) (*JWTRefresh, error) {
token, err := verifyRefreshToken(c)
if err != nil {
return nil, err
}
// Setting and checking token and credentials.
claims, ok := token.Claims.(*JWTRefresh)
if ok && token.Valid {
// Expires time.
return &JWTRefresh{
RefreshUuid: claims.RefreshUuid,
User: claims.User,
Email: claims.Email,
FirstName: claims.FirstName,
LastName: claims.LastName,
Role: claims.Role,
StandardClaims: jwt.StandardClaims{
ExpiresAt: claims.ExpiresAt,
},
}, nil
}
return nil, err
}
func ExtractTokenMetadata(c *fiber.Ctx) (*JWTAccess, error) {
token, err := verifyToken(c)
if err != nil {
return nil, err
}
claims, ok := token.Claims.(*JWTAccess)
if ok && token.Valid {
return &JWTAccess{
AccessUuid: claims.AccessUuid,
User: claims.User,
Role: claims.Role,
StandardClaims: jwt.StandardClaims{
ExpiresAt: claims.ExpiresAt,
},
}, nil
}
return nil, err
}
func TokenValid(c *fiber.Ctx) error {
token, err := verifyToken(c)
if err != nil {
return err
}
if _, ok := token.Claims.(jwt.Claims); !ok && !token.Valid {
return err
}
return nil
}
func extractToken(c *fiber.Ctx) string {
bearToken := c.Get("Authorization")
// Normally Authorization HTTP header.
onlyToken := strings.Split(bearToken, " ")
if len(onlyToken) == 2 {
return onlyToken[1]
}
return ""
}
func verifyToken(c *fiber.Ctx) (*jwt.Token, error) {
tokenString := extractToken(c)
token, err := jwt.ParseWithClaims(tokenString, &JWTAccess{}, jwtKeyFunc)
if err != nil {
return nil, err
}
return token, nil
}
func verifyRefreshToken(c *fiber.Ctx) (*jwt.Token, error) {
tokenString := extractToken(c)
token, err := jwt.ParseWithClaims(tokenString, &JWTRefresh{}, jwtKeyFunc)
if err != nil {
return nil, err
}
return token, nil
}
func jwtKeyFunc(token *jwt.Token) (interface{}, error) {
return []byte(os.Getenv("JWT_SECRET_KEY")), nil
}
func jwtRefreshKeyFunc(token *jwt.Token) (interface{}, error) {
return []byte(os.Getenv("JWT_REFRESH_KEY")), nil
}