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module ActiveRecord
module MassAssignmentSecurity
module Inheritance
extend ActiveSupport::Concern
module ClassMethods
private
# Detect the subclass from the inheritance column of attrs. If the inheritance column value
# is not self or a valid subclass, raises ActiveRecord::SubclassNotFound
# If this is a StrongParameters hash, and access to inheritance_column is not permitted,
# this will ignore the inheritance column and return nil
def subclass_from_attributes?(attrs)
active_authorizer[:default].deny?(inheritance_column) ? nil : super
end
# Support Active Record <= 4.0.3, which uses the old method signature.
def subclass_from_attrs(attrs)
active_authorizer[:default].deny?(inheritance_column) ? nil : super
end
end
end
end
end
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