Class: Mail::Gpg::InlineSignedMessage

Inherits:
Message
  • Object
show all
Defined in:
lib/mail/gpg/inline_signed_message.rb

Constant Summary collapse

END_SIGNED_TEXT = 
'-----END PGP SIGNED MESSAGE-----'
END_SIGNED_TEXT_RE = 
/^#{END_SIGNED_TEXT}\s*$/
INLINE_SIG_RE = 
Regexp.new('^-----BEGIN PGP SIGNATURE-----\s*$.*^-----END PGP SIGNATURE-----\s*$', Regexp::MULTILINE)
BEGIN_SIG_RE = 
/^(-----BEGIN PGP SIGNATURE-----)\s*$/

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(signed_mail, options = {}) ⇒ InlineSignedMessage

Returns a new instance of InlineSignedMessage.



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# File 'lib/mail/gpg/inline_signed_message.rb', line 7

def initialize(signed_mail, options = {})
  if signed_mail.multipart?
    super() do
      global_verify_result = []
      signed_mail.header.fields.each do |field|
        header[field.name] = field.value
      end
      signed_mail.parts.each do |part|
        if Mail::Gpg.signed_inline?(part)
          signed_text = part.body.to_s
          success, vr = GpgmeHelper.inline_verify(signed_text, options)
          p = VerifiedPart.new(part)
          if success
            p.body self.class.strip_inline_signature signed_text
          end
          p.verify_result vr
          global_verify_result << vr
          add_part p
        else
          add_part part
        end
      end
      verify_result global_verify_result
    end # of multipart
  else
    super() do
      signed_mail.header.fields.each do |field|
        header[field.name] = field.value
      end
      signed_text = signed_mail.body.to_s
      success, vr = GpgmeHelper.inline_verify(signed_text, options)
      if success
        body self.class.strip_inline_signature signed_text
      else
        body signed_text
      end
      verify_result vr
    end
  end
end

Class Method Details

.strip_inline_signature(signed_text) ⇒ Object

utility method to remove inline signature and related pgp markers



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# File 'lib/mail/gpg/inline_signed_message.rb', line 55

def self.strip_inline_signature(signed_text)
  if signed_text =~ INLINE_SIG_RE
    signed_text = signed_text.dup
    if signed_text !~ END_SIGNED_TEXT_RE
      # insert the 'end of signed text' marker in case it is missing
      signed_text = signed_text.gsub BEGIN_SIG_RE, "-----END PGP SIGNED MESSAGE-----\n\\1"
    end
    signed_text.gsub! INLINE_SIG_RE, ''
    signed_text.strip!
  end
  signed_text
end