Class: Mapi::Msg::Attachment

Inherits:
Attachment show all
Defined in:
lib/mapi/msg.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Attachment

#data, #filename, #inspect, #save, #to_mime, #to_tmail

Constructor Details

#initialize(obj) ⇒ Attachment

Returns a new instance of Attachment.



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# File 'lib/mapi/msg.rb', line 387

def initialize obj
  @obj = obj
  @embedded_ole = nil
  @embedded_msg = nil

  super PropertySet.new(PropertyStore.load(@obj))
  Msg.warn_unknown @obj

  @obj.children.each do |child|
    # temp hack. PropertyStore doesn't do directory properties atm - FIXME
    if child.dir? and child.name =~ PropertyStore::SUBSTG_RX and
       $1 == '3701' and $2.downcase == '000d'
      @embedded_ole = child
      class << @embedded_ole
        def compobj
          return nil unless compobj = self["\001CompObj"]
          compobj.read[/^.{32}([^\x00]+)/m, 1]
        end

        def embedded_type
          temp = compobj and return temp
          # try to guess more
          if children.select { |child| child.name =~ /__(substg|properties|recip|attach|nameid)/ }.length > 2
            return 'Microsoft Office Outlook Message'
          end
          nil
        end
      end
      if @embedded_ole.embedded_type == 'Microsoft Office Outlook Message'
        @embedded_msg = Msg.new @embedded_ole
      end
    end
  end
end

Instance Attribute Details

#obj ⇒ Object (readonly)

Returns the value of attribute obj.



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# File 'lib/mapi/msg.rb', line 384

def obj
  @obj
end

#properties ⇒ Object (readonly) Also known as: props

Returns the value of attribute properties.



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# File 'lib/mapi/msg.rb', line 384

def properties
  @properties
end

Instance Method Details

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mapi/msg.rb', line 422

def valid?
  # something i started to notice when handling embedded ole object attachments is
  # the particularly strange case where there are empty attachments
  not props.raw.keys.empty?
end