class PhisherPhinder::MailParser::ReceivedHeaders::ForParser

Public Class Methods

new(starttls_parser:) click to toggle source
# File lib/phisher_phinder/mail_parser/received_headers/for_parser.rb, line 7
def initialize(starttls_parser:)
  @starttls_parser = starttls_parser
end

Public Instance Methods

parse(component) click to toggle source
# File lib/phisher_phinder/mail_parser/received_headers/for_parser.rb, line 11
def parse(component)
  return {recipient_mailbox: nil}.merge(@starttls_parser.parse(nil)) unless component

  patterns = [
    /\Afor\s(?<recipient_mailbox>\S+)\s\(Google Transport Security\)\z/,
    /\Afor\s(?<recipient_mailbox>\S+)\s(?<starttls>\([^\)]+\))\z/,
    /\Afor\s(?<recipient_mailbox>.+)\z/,
  ]

  matches = patterns.inject(nil) do |memo, pattern|
    memo || component.match(pattern)
  end

  output = {
    recipient_mailbox: strip_angle_brackets(matches[:recipient_mailbox]),
  }.merge(
    if matches.names.include?('starttls')
      @starttls_parser.parse(matches[:starttls])
    else
      @starttls_parser.parse(nil)
    end
  )
end

Private Instance Methods

strip_angle_brackets(email_address_string) click to toggle source
# File lib/phisher_phinder/mail_parser/received_headers/for_parser.rb, line 37
def strip_angle_brackets(email_address_string)
  email_address_string =~ /\<\s?([^>]+?)\s?\>/ ? $1 : email_address_string
end