ActionController::StrongParameters

Strong Parameters

It provides an interface for protecting attributes from end-user assignment. This makes Action Controller parameters forbidden to be used in Active Model mass assignment until they have been whitelisted.

In addition, parameters can be marked as required and flow through a predefined raise/rescue flow to end up as a 400 Bad Request with no effort.

class PeopleController < ActionController::Base
  # Using "Person.create(params[:person])" would raise an
  # ActiveModel::ForbiddenAttributes exception because it'd
  
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