Class: PhisherPhinder::MailParser::ReceivedHeaders::ForParser

Inherits:
Object
  • Object
show all
Defined in:
lib/phisher_phinder/mail_parser/received_headers/for_parser.rb

Instance Method Summary collapse

Constructor Details

#initialize(starttls_parser:) ⇒ ForParser

Returns a new instance of ForParser.



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# File 'lib/phisher_phinder/mail_parser/received_headers/for_parser.rb', line 7

def initialize(starttls_parser:)
  @starttls_parser = starttls_parser
end

Instance Method Details

#parse(component) ⇒ Object 



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# 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