In Project Posada, my open source Mint alternative project, we handle it with an app on the user's phone that receives texts and, using regex, grabs the code of

In Project Posada, my open source Mint alternative project, we handle it with an app on the user's phone that receives texts and, using regex, grabs the code of relevant sms messages then pushes the code back to the scraper, which then inputs the code and continues on.