48 lines
1009 B
Go
48 lines
1009 B
Go
package jwt
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import (
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"maps"
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"time"
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"github.com/golang-jwt/jwt/v5"
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"github.com/google/uuid"
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)
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type Service struct {
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signer Signer
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}
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func NewService(signer Signer) *Service {
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return &Service{
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signer: signer,
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}
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}
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// Generate creates a new JWT token for a given user ID and
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// returns the token string along with its JTI(JWT IDentifier).
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func (s *Service) Generate(ttl time.Duration, extraClaims jwt.MapClaims) (string, string, error) {
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jti := uuid.NewString()
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claims := jwt.MapClaims{
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"jti": jti,
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"exp": time.Now().Add(ttl).Unix(),
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"iat": time.Now().Unix(),
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}
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maps.Copy(claims, extraClaims)
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token, err := s.signer.Sign(claims)
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return token, jti, err
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}
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// Validate verifies the JWT token and extracts the claims and JTI(JWT IDentifier).
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func (s *Service) Validate(token string) (jwt.MapClaims, string, error) {
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claims, err := s.signer.Verify(token)
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if err != nil {
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return nil, "", err
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}
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jti := claims.(jwt.MapClaims)["jti"].(string)
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return claims.(jwt.MapClaims), jti, nil
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}
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