Class: ValidEmail2::EmailValidator

Inherits:
ActiveModel::EachValidator
  • Object
show all
Includes:
DeprecationHelper
Defined in:
lib/valid_email2/email_validator.rb

Instance Method Summary collapse

Methods included from DeprecationHelper

#deprecate_method, #deprecation_message

Instance Method Details

#default_options ⇒ Object 



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# File 'lib/valid_email2/email_validator.rb', line 10

def default_options
  { disposable: false, mx: false, strict_mx: false, disallow_subaddressing: false, multiple: false, dns_timeout: 5, dns_nameserver: nil }
end

#error(record, attribute) ⇒ Object 



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# File 'lib/valid_email2/email_validator.rb', line 83

def error(record, attribute)
  message = options[:message].respond_to?(:call) ? options[:message].call : options[:message]

  record.errors.add(attribute, message || :invalid)
end

#sanitized_values(input) ⇒ Object 



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# File 'lib/valid_email2/email_validator.rb', line 71

def sanitized_values(input)
  options = default_options.merge(self.options)

  if options[:multiple]
    email_list = input.is_a?(Array) ? input : input.split(',')
  else
    email_list = [input]
  end

  email_list.reject(&:empty?).map(&:strip)
end

#validate_each(record, attribute, value) ⇒ Object 



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# File 'lib/valid_email2/email_validator.rb', line 14

def validate_each(record, attribute, value)
  return unless value.present?
  options = default_options.merge(self.options)

  addresses = sanitized_values(value).map { |v| ValidEmail2::Address.new(v, options[:dns_timeout], options[:dns_nameserver]) }

  error(record, attribute) && return unless addresses.all?(&:valid?)

  if options[:disallow_dotted]
    error(record, attribute) && return if addresses.any?(&:dotted?)
  end

  if options[:disallow_subaddressing]
    error(record, attribute) && return if addresses.any?(&:subaddressed?)
  end

  if options[:disposable]
    error(record, attribute) && return if addresses.any?(&:disposable?)
  end

  if options[:disposable_domain]
    error(record, attribute) && return if addresses.any?(&:disposable_domain?)
  end

  if options[:disposable_with_whitelist]
    deprecation_message(:disposable_with_whitelist, :disposable_with_allow_list)
  end

  if options[:disposable_with_allow_list] || options[:disposable_with_whitelist]
    error(record, attribute) && return if addresses.any? { |address| address.disposable? && !address.allow_listed? }
  end

  if options[:disposable_domain_with_whitelist]
    deprecation_message(:disposable_domain_with_whitelist, :disposable_domain_with_allow_list)
  end

  if options[:disposable_domain_with_allow_list] || options[:disposable_domain_with_whitelist]
    error(record, attribute) && return if addresses.any? { |address| address.disposable_domain? && !address.allow_listed? }
  end

  if options[:blacklist]
    deprecation_message(:blacklist, :deny_list)
  end
  
  if options[:deny_list] || options[:blacklist]
    error(record, attribute) && return if addresses.any?(&:deny_listed?)
  end

  if options[:mx]
    error(record, attribute) && return unless addresses.all?(&:valid_mx?)
  end

  if options[:strict_mx]
    error(record, attribute) && return unless addresses.all?(&:valid_strict_mx?)
  end
end