metasploit-framework/lib/rex/mime/message.rb

112 lines
2.3 KiB
Ruby

module Rex
module MIME
class Message
require 'rex/mime/header'
require 'rex/mime/part'
require 'rex/text'
attr_accessor :header, :parts, :bound, :content
def initialize
self.header = Rex::MIME::Header.new
self.parts = []
self.bound = "_Part_#{rand(1024)}_#{rand(0xffffffff)}_#{rand(0xffffffff)}"
self.content = ''
end
def to
(self.header.find('To') || [nil, nil])[1]
end
def to=(val)
self.header.set("To", val)
end
def from=(val)
self.header.set("From", val)
end
def from
(self.header.find('From') || [nil, nil])[1]
end
def subject=(val)
self.header.set("Subject", val)
end
def subject
(self.header.find('Subject') || [nil, nil])[1]
end
def mime_defaults
self.header.set("MIME-Version", "1.0")
self.header.set("Content-Type", "multipart/mixed; boundary=\"#{self.bound}\"")
self.header.set("Subject", '') # placeholder
self.header.set("Date", Time.now.strftime("%a,%e %b %Y %H:%M:%S %z"))
self.header.set("Message-ID",
"<"+
Rex::Text.rand_text_alphanumeric(rand(20)+40)+
"@"+
Rex::Text.rand_text_alpha(rand(20)+3)+
">"
)
self.header.set("From", '') # placeholder
self.header.set("To", '') # placeholder
end
def add_part(data='', content_type='text/plain', transfer_encoding="8bit", content_disposition=nil)
part = Rex::MIME::Part.new
part.header.set("Content-Type", content_type)
if (transfer_encoding)
part.header.set("Content-Transfer-Encoding", transfer_encoding)
end
if (content_disposition)
part.header.set("Content-Disposition", content_disposition)
end
part.content = data
self.parts << part
part
end
def add_part_attachment(data, name)
self.add_part(
Rex::Text.encode_base64(data, "\r\n"),
"application/octet-stream; name=\"#{name}\"",
"base64",
"attachment; filename=\"#{name}\""
)
end
def add_part_inline_attachment(data, name)
self.add_part(
Rex::Text.encode_base64(data, "\r\n"),
"application/octet-stream; name=\"#{name}\"",
"base64",
"inline; filename=\"#{name}\""
)
end
def to_s
msg = self.header.to_s + "\r\n"
msg << self.content + "\r\n"
self.parts.each do |part|
msg << "--" + self.bound + "\r\n"
msg << part.to_s
end
msg << "--" + self.bound + "--\r\n"
msg
end
end
end
end