jwt

type Config struct {
	// Callback function that should perform the authentication of the user based on userID and
	// password. Must return true on success, false on failure. Required.
	// Option return user id, if so, user id will be stored in Claim Array.
	Authenticator func(userID string, password string) (string, bool)

	// User can define own Unauthorized func.
	Unauthorized func(w http.ResponseWriter, r *http.Request, err error)

	// Callback function that should perform the authorization of the authenticated user. Called
	// only after an authentication success. Must return true on success, false on failure.
	// Optional, default to success.
	Authorizator func(userID string, w http.ResponseWriter, r *http.Request) bool

	// Duration that a jwt token is valid. Optional, defaults to one hour.
	Timeout time.Duration

	// Secret key used for signing. Required.
	Secret []byte

	// signing algorithm - possible values are HS256, HS384, HS512
	// Optional, default is HS256.
	SigningAlgorithm string

	// TokenLookup is a string in the form of "<source>:<name>" that is used
	// to extract token from the request.
	// Optional. Default value "header:Authorization".
	// Possible values:
	// - "header:<name>"
	// - "query:<name>"
	// - "cookie:<name>"
	TokenLookup string

	// This field allows clients to refresh their token until MaxRefresh has passed.
	// Note that clients can refresh their token in the last moment of MaxRefresh.
	// This means that the maximum validity timespan for a token is MaxRefresh + Timeout.
	// Optional, defaults to 0 meaning not refreshable.
	MaxRefresh time.Duration
}

type Handler struct {
	Config Config
}

type Login struct {
	Username string `form:"username" json:"username" binding:"required"`
	Password string `form:"password" json:"password" binding:"required"`
}

type Middleware struct {
	Config Config
}

type Parser struct {
	Config Config
}