Class: ActiveModel::Validations::UrlValidator

Inherits:
EachValidator
  • Object
show all
Defined in:
lib/can_has_validations/validators/url_validator.rb

Instance Method Summary collapse

Instance Method Details

#validate_each(record, attribute, value) ⇒ Object



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
55
56
57
58
59
60
# File 'lib/can_has_validations/validators/url_validator.rb', line 16

def validate_each(record, attribute, value)
  if defined?(Addressable::URI)
    u = Addressable::URI.parse(value) rescue nil
    u2 = u && URI.parse(u.normalize.to_s) rescue nil
  else
    u2 = u = URI.parse(value) rescue nil
  end

  allowed_schemes =
    if options[:scheme].respond_to?(:call)
      options[:scheme].call(record)
    elsif options[:scheme].is_a?(Symbol)
      record.send(options[:scheme])
    else
      Array.wrap(options[:scheme] || %w(http https))
    end

  allowed_hosts =
    if options[:host].respond_to?(:call)
      options[:host].call(record)
    elsif options[:host].is_a?(Symbol)
      record.send(options[:host])
    elsif options[:host].nil?
      [u&.host]
    else
      Array.wrap(options[:host])
    end

  allowed_ports =
    if options[:port].respond_to?(:call)
      options[:port].call(record)
    elsif options[:port].is_a?(Symbol)
      record.send(options[:port])
    elsif options[:port].nil?
      [u&.port]
    elsif options[:port] == false
      [nil]
    else
      Array.wrap(options[:port])
    end

  if !u || !u2 || u.relative? || allowed_schemes.exclude?(u.scheme) || allowed_hosts.exclude?(u.host) || allowed_ports.exclude?(u.port)
    record.errors.add(attribute, :invalid_url, **options.merge(value: value, scheme: allowed_schemes, host: allowed_hosts, port: allowed_ports))
  end
end