From: "ara.t.howard" <ara.t.howard@...>
Date: 2007-09-22T04:59:17+09:00
Subject: Re: TLS


On Sep 21, 2007, at 12:10 PM, Sean Nakasone wrote:

> Anyone know if ruby supports TLS in SMTP?  can you please provide  
> code snippets?

require "openssl"
require "net/smtp"

Net::SMTP.class_eval do
   private
   def do_start(helodomain, user, secret, authtype)
     raise IOError, 'SMTP session already started' if @started
     check_auth_args user, secret, authtype if user or secret

     sock = timeout(@open_timeout) { TCPSocket.open(@address, @port) }
     @socket = Net::InternetMessageIO.new(sock)
     @socket.read_timeout = 60 #@read_timeout
     @socket.debug_output = STDERR #@debug_output

     check_response(critical { recv_response() })
     do_helo(helodomain)

     raise 'openssl library not installed' unless defined?(OpenSSL)
     starttls
     ssl = OpenSSL::SSL::SSLSocket.new(sock)
     ssl.sync_close = true
     ssl.connect
     @socket = Net::InternetMessageIO.new(ssl)
     @socket.read_timeout = 60 #@read_timeout
     @socket.debug_output = STDERR #@debug_output
     do_helo(helodomain)

     authenticate user, secret, authtype if user
     @started = true
   ensure
     unless @started
       # authentication failed, cancel connection.
         @socket.close if not @started and @socket and not  
@socket.closed?
       @socket = nil
     end
   end

   def do_helo(helodomain)
      begin
       if @esmtp
         ehlo helodomain
       else
         helo helodomain
       end
     rescue Net::ProtocolError
       if @esmtp
         @esmtp = false
         @error_occured = false
         retry
       end
       raise
     end
   end

   def starttls
     getok('STARTTLS')
   end

   def quit
     begin
       getok('QUIT')
     rescue EOFError
     end
   end
end




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