middleware

const ALLOWDELETE_ATTRIBUTE_GIN_NAME = "jwt_allowdelete"

const CLASS_ATTRIBUTE_GIN_NAME = "jwt_class"

const GRADE_ATTRIBUTE_GIN_NAME = "jwt_grade"

const SHOWALL_ATTRIBUTE_GIN_NAME = "jwt_showall"

const TEACHER_ATTRIBUTE_GIN_NAME = "jwt_teacher"

const USERNAME_ATTRIBUTE_GIN_NAME = "jwt_username"