oid_login_perms = Link.where(tail_uuid: email,
link_class: 'permission',
name: 'can_login').where("head_uuid like ?", User.uuid_like_pattern)
oid_login_perms = Link.where(tail_uuid: email,
link_class: 'permission',
name: 'can_login').where("head_uuid like ?", User.uuid_like_pattern)