jwt

type GfJWTMiddleware struct {
	// Realm name to display to the user. Required.
	Realm string

	// signing algorithm - possible values are HS256, HS384, HS512, RS256, RS384 or RS512
	// Optional, default is HS256.
	SigningAlgorithm string

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

	// Callback to retrieve key used for signing. Setting KeyFunc will bypass
	// all other key settings
	KeyFunc func(token *jwt.Token) (interface{}, error)

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

	// 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 TokenTime + MaxRefresh.
	// Optional, defaults to 0 meaning not refreshable.
	MaxRefresh time.Duration

	// Callback function that should perform the authentication of the user based on login info.
	// Must return user data as user identifier, it will be stored in Claim Array. Required.
	// Check error (e) to determine the appropriate error message.
	Authenticator func(ctx context.Context) (interface{}, 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(data interface{}, ctx context.Context) bool

	// Callback function that will be called during login.
	// Using this function it is possible to add additional payload data to the web token.
	// The data is then made available during requests via c.Get(jwt.PayloadKey).
	// Note that the payload is not encrypted.
	// The attributes mentioned on jwt.io can't be used as keys for the map.
	// Optional, by default no additional data will be set.
	PayloadFunc func(data interface{}) MapClaims

	// User can define own Unauthorized func.
	Unauthorized func(ctx context.Context, code int, message string)

	// Set the identity handler function
	IdentityHandler func(ctx context.Context) interface{}

	// Set the identity key
	IdentityKey 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

	// TokenHeadName is a string in the header. Default value is "Bearer"
	TokenHeadName string

	// TimeFunc provides the current time. You can override it to use another time value. This is useful for testing or if your server uses a different time zone than your tokens.
	TimeFunc func() time.Time

	// HTTP Status messages for when something in the JWT middleware fails.
	// Check error (e) to determine the appropriate error message.
	HTTPStatusMessageFunc func(e error, ctx context.Context) string

	// Private key file for asymmetric algorithms
	PrivKeyFile string

	// Private Key bytes for asymmetric algorithms
	//
	// Note: PrivKeyFile takes precedence over PrivKeyBytes if both are set
	PrivKeyBytes []byte

	// Public key file for asymmetric algorithms
	PubKeyFile string

	// Private key passphrase
	PrivateKeyPassphrase string

	// Public key bytes for asymmetric algorithms.
	//
	// Note: PubKeyFile takes precedence over PubKeyBytes if both are set
	PubKeyBytes []byte

	// Optionally return the token as a cookie
	SendCookie bool

	// Duration that a cookie is valid. Optional, by default equals to Timeout value.
	CookieMaxAge time.Duration

	// Allow insecure cookies for development over http
	SecureCookie bool

	// Allow cookies to be accessed client side for development
	CookieHTTPOnly bool

	// Allow cookie domain change for development
	CookieDomain string

	// SendAuthorization allow return authorization header for every request
	SendAuthorization bool

	// Disable abort() of context.
	DisabledAbort bool

	// CookieName allow cookie name change for development
	CookieName string

	// CacheAdapter
	CacheAdapter gcache.Adapter

	// BlacklistPrefix
	BlacklistPrefix string
	// contains filtered or unexported fields
}

type MapClaims map[string]interface{}