vendor/rails/actionmailer/lib/action_mailer/vendor/tmail-1.2.3/tmail/attachments.rb

   1 =begin rdoc
   2
   3 = Attachment handling file
   4
   5 =end
   6
   7 require 'stringio'
   8
   9 module TMail
  10   class Attachment < StringIO
  11     attr_accessor :original_filename, :content_type
  12   end
  13
  14   class Mail
  15     def has_attachments?
  16       multipart? && parts.any? { |part| attachment?(part) }
  17     end
  18
  19     def attachment?(part)
  20       part.disposition_is_attachment? || part.content_type_is_text?
  21     end
  22
  23     def attachments
  24       if multipart?
  25         parts.collect { |part|
  26           if part.multipart?
  27             part.attachments
  28           elsif attachment?(part)
  29             content   = part.body # unquoted automatically by TMail#body
  30             file_name = (part['content-location'] &&
  31                           part['content-location'].body) ||
  32                         part.sub_header("content-type", "name") ||
  33                         part.sub_header("content-disposition", "filename")
  34
  35             next if file_name.blank? || content.blank?
  36
  37             attachment = Attachment.new(content)
  38             attachment.original_filename = file_name.strip
  39             attachment.content_type = part.content_type
  40             attachment
  41           end
  42         }.flatten.compact
  43       end
  44     end
  45   end
  46 end