151 lines
3.4 KiB
Ruby
151 lines
3.4 KiB
Ruby
# -*- coding: binary -*-
|
|
module Rex
|
|
module MIME
|
|
class Message
|
|
|
|
require 'rex/mime/header'
|
|
require 'rex/mime/part'
|
|
require 'rex/mime/encoding'
|
|
require 'rex/text'
|
|
|
|
include Rex::MIME::Encoding
|
|
|
|
attr_accessor :header, :parts, :bound, :content
|
|
|
|
|
|
def initialize(data=nil)
|
|
self.header = Rex::MIME::Header.new
|
|
self.parts = []
|
|
self.bound = "_Part_#{rand(1024)}_#{rand(0xffffffff)}_#{rand(0xffffffff)}"
|
|
self.content = ''
|
|
if data
|
|
head,body = data.split(/\r?\n\r?\n/, 2)
|
|
|
|
self.header.parse(head)
|
|
ctype = self.header.find('Content-Type')
|
|
|
|
if ctype and ctype[1] and ctype[1] =~ /multipart\/mixed;\s*boundary=([^\s]+)/
|
|
self.bound = $1
|
|
|
|
chunks = body.to_s.split(/--#{self.bound}(--)?\r?\n/)
|
|
self.content = chunks.shift.to_s.gsub(/\s+$/, '')
|
|
self.content << "\r\n" if not self.content.empty?
|
|
|
|
chunks.each do |chunk|
|
|
break if chunk == "--"
|
|
head,body = chunk.split(/\r?\n\r?\n/, 2)
|
|
part = Rex::MIME::Part.new
|
|
part.header.parse(head)
|
|
part.content = body.gsub(/\s+$/, '')
|
|
self.parts << part
|
|
end
|
|
else
|
|
self.content = body.to_s.gsub(/\s+$/, '') + "\r\n"
|
|
end
|
|
end
|
|
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
|
|
|
|
if (content_disposition)
|
|
part.header.set("Content-Disposition", content_disposition)
|
|
end
|
|
|
|
if (content_type)
|
|
part.header.set("Content-Type", content_type)
|
|
end
|
|
|
|
if (transfer_encoding)
|
|
part.header.set("Content-Transfer-Encoding", transfer_encoding)
|
|
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 = force_crlf(self.header.to_s + "\r\n")
|
|
|
|
unless self.content.blank?
|
|
msg << force_crlf(self.content + "\r\n")
|
|
end
|
|
|
|
self.parts.each do |part|
|
|
msg << force_crlf("--" + self.bound + "\r\n")
|
|
msg << part.to_s
|
|
end
|
|
|
|
if self.parts.length > 0
|
|
msg << force_crlf("--" + self.bound + "--\r\n")
|
|
end
|
|
|
|
msg
|
|
end
|
|
|
|
end
|
|
end
|
|
end
|
|
|