hometown/app/validators/ed25519_key_validator.rb

20 lines
402 B
Ruby

# frozen_string_literal: true
class Ed25519KeyValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
return if value.blank?
key = Base64.decode64(value)
record.errors[attribute] << I18n.t('crypto.errors.invalid_key') unless verified?(key)
end
private
def verified?(key)
Ed25519.validate_key_bytes(key)
rescue ArgumentError
false
end
end