ContextJWT retrieves the JWT token from a `context` that went through our security middleware.

New returns a middleware to be used with the JWTSecurity DSL definitions of goa.

NewResolver returns a GroupResolver that uses the value of the request header with the given name to select the key group used for authorization.

NewSimpleResolver returns a simple resolver.

WithJWT creates a child context containing the given JWT.

ErrEmptyHeaderName is returned when the header value given to the standard key resolver constructor is empty.

ErrInvalidKey is returned when a key is not of type string, []string, *rsa.PublicKey or []*rsa.PublicKey.

ErrJWTError is the error returned by this middleware when any sort of validation or assertion fails during processing.

ErrKeyDoesNotExist is returned when a key cannot be found by the provided key name.