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Index ¶
Constants ¶
This section is empty.
Variables ¶
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var ( // ErrTokenExpired means that the JWT is valid, but it has expired ErrTokenExpired = errors.New("token has expired") // ErrInvalidSignature means that the JWT has been tampered with ErrInvalidSignature = errors.New("invalid signature") // ErrInvalidFormat means that the token is not a valid JWT token ErrInvalidFormat = errors.New("invalid token format") )
Functions ¶
This section is empty.
Types ¶
type Authenticator ¶
type Authenticator struct {
// contains filtered or unexported fields
}
Authenticator handles the logic around generating and validating JWT tokens
func NewAutheniticator ¶
func NewAutheniticator(secret string) *Authenticator
NewAutheniticator creates new Authenticator from the given parameters.
func (*Authenticator) DecodeToken ¶
func (a *Authenticator) DecodeToken(token string) (*models.User, error)
DecodeToken accepts a token, and if valid and unexpired returns the username of the user the token belongs to, otherwise it returns an error. If the token is expired, a ErrTokenExpired is returned. If the JWT has been tampered with, a ErrInvalidSignature is returned.
func (*Authenticator) NewTokenForUser ¶
func (a *Authenticator) NewTokenForUser(user *models.User) (string, error)
NewTokenForUser generates a new JWT for the given username, with the default expiration of 50 minutes, signs it with a secret and returns it.
func (*Authenticator) NewTokenForUserWithExpiration ¶
func (a *Authenticator) NewTokenForUserWithExpiration(user *models.User, d time.Duration) (string, error)
NewTokenForUserWithExpiration generates a new JWT for the given username, with expiration now + d, signs it with a secret and returns it.
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