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require "openssl"
require "net/smtp"
Net::SMTP.class_eval do
def self.start( address, port = nil,
helo = 'localhost.localdomain',
user = nil, secret = nil, authtype = nil, use_tls = false,
&block) # :yield: smtp
new(address, port).start(helo, user, secret, authtype, use_tls, &block)
end
def start( helo = 'localhost.localdomain',
user = nil, secret = nil, authtype = nil ) # :yield: smtp
start_method = starttls_auto? ? :do_tls_start : :do_start
if block_given?
begin
send(start_method, helo, user, secret, authtype)
return yield(self)
ensure
do_finish
end
else
send(start_method, helo, user, secret, authtype)
return self
end
end
private
def do_tls_start(helodomain, user, secret, authtype)
raise IOError, 'SMTP session already started' if @started
if RUBY_VERSION == '1.8.6'
check_auth_args(user, secret, authtype) if user or secret
else
check_auth_args(user, secret) if user or secret
end
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, OpenSSL::SSL::SSLError
end
end
end
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