Class: ValidEmail2::EmailValidator

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

Instance Method Summary collapse

Instance Method Details

#default_options ⇒ Object 



7
8
9
 
# File 'lib/valid_email2/email_validator.rb', line 7

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 



68
69
70
71
72
 
# File 'lib/valid_email2/email_validator.rb', line 68

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 



56
57
58
59
60
61
62
63
64
65
66
 
# File 'lib/valid_email2/email_validator.rb', line 56

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 



11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
 
# File 'lib/valid_email2/email_validator.rb', line 11

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]
    error(record, attribute) && return if addresses.any? { |address| address.disposable? && !address.whitelisted? }
  end

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

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