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# UrlValidator
#
# Custom validator for private keys.
#
# class Project < ActiveRecord::Base
# validates :certificate_key, certificate_key: true
# end
#
class CertificateKeyValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
unless valid_private_key_pem?(value)
record.errors.add(attribute, "must be a valid PEM private key")
end
end
private
def valid_private_key_pem?(value)
return false unless value
pkey = OpenSSL::PKey::RSA.new(value)
pkey.private?
rescue OpenSSL::PKey::PKeyError
false
end
end
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