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token.go
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token.go
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package token
import (
"errors"
"fmt"
"log"
jwt "github.com/golang-jwt/jwt/v4"
"github.com/spf13/viper"
)
// ParseJWT parses the given JWT token and returns the token claims.
func ParseJWT(tokenString string) (*jwt.Token, error) {
signingKey := []byte(viper.GetString(`secret.jwt`))
keyFunc := func(t *jwt.Token) (interface{}, error) {
if t.Method.Alg() != jwt.SigningMethodHS256.Name {
return nil, fmt.Errorf("unexpected jwt signing method: %v", t.Header["alg"])
}
return signingKey, nil
}
token, err := jwt.Parse(tokenString, keyFunc)
log.Println("ERRORORR:", err)
if err != nil {
return nil, err
}
if !token.Valid {
return nil, errors.New("invalid token")
}
return token, nil
}
func ParseRefreshToken(tokenString string) (*jwt.Token, error) {
signingKeyRefreshToken := []byte(viper.GetString(`secret.refresh_jwt`))
keyFunc := func(t *jwt.Token) (interface{}, error) {
if t.Method.Alg() != jwt.SigningMethodHS256.Name {
return nil, fmt.Errorf("unexpected jwt signing method: %v", t.Header["alg"])
}
return signingKeyRefreshToken, nil
}
token, err := jwt.Parse(tokenString, keyFunc)
if err != nil {
return nil, err
}
if !token.Valid {
return nil, errors.New("invalid refresh token")
}
return token, nil
}