mime_types_incl_office_2007.rb

  # I realize this declaration looks kind of crazy, but I find it 
  # way more readable and DRY than a straight list would be
  # optionally add octet-stream to this list - evaluate security risk of any before doing so
  CONTENT_TYPES = %w(gif jpg jpe jpeg pjpeg bmp png pdf x-png tiff).map { |st| "image/#{st}"} +
                  %w(vnd.ms-excel vnd.ms-powerpoint msword pdf).map { |st| "application/#{st}"} + 
                  [ "text/plain" ] +
                  # Don't blame me, blame Microsoft - this is for Office 2007.
                  # It makes a lot of MIME types that we shouldn't actually make,
                  # but that seems pretty harmless.
                  # original list from http://www.bram.us/2007/05/25/office-2007-mime-types-for-iis/
                  %w(ms-word ms-powerpoint ms-excel).map { |t| 
                    %w(document template addin sheet sheet.binary slideshow presentation).map{ |s| 
                      "application/vnd.#{t}.#{s}.macroEnabled.12"}} +
                  %w(wordprocessing presentation sheet).map { |t| 
                    %w(document template sheet slideshow presentation).map{ |s| 
                      "application/vnd.openxmlformats-officedocument.#{t}ml.#{s}"}}