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# frozen_string_literal: true
# RsaKeyValidator
#
# Custom validator for RSA private keys.
#
# class Project < ActiveRecord::Base
# validates :signing_key, rsa_key: true
# end
#
class RsaKeyValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
unless valid_rsa_key?(value)
record.errors.add(attribute, "is not a valid RSA key")
end
end
private
def valid_rsa_key?(value)
return false unless value
OpenSSL::PKey::RSA.new(value)
rescue OpenSSL::PKey::RSAError
false
end
end
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