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# frozen_string_literal: true
# A connection object that can be used to deliver mail.
#
# This is meant to be used in a pool so the main difference between this
# and Mail::SMTP is that this expects deliver! to be called multiple times.
#
# SMTP connection reset and error handling is handled by this class and
# the SMTP connection is not closed after a delivery.
require 'mail'
module Mail
class SMTPPool
class Connection < Mail::SMTP
def initialize(values)
super
@smtp_session = nil
end
def deliver!(mail)
response = Mail::SMTPConnection.new(connection: smtp_session, return_response: true).deliver!(mail)
settings[:return_response] ? response : self
end
def finish
finish_smtp_session if @smtp_session && @smtp_session.started?
end
private
def smtp_session
return start_smtp_session if @smtp_session.nil? || !@smtp_session.started?
return @smtp_session if reset_smtp_session
finish_smtp_session
start_smtp_session
end
def start_smtp_session
@smtp_session = build_smtp_session.start(settings[:domain], settings[:user_name], settings[:password], settings[:authentication])
end
def reset_smtp_session
!@smtp_session.instance_variable_get(:@error_occurred) && @smtp_session.rset.success?
rescue Net::SMTPError, IOError
false
end
def finish_smtp_session
@smtp_session.finish
rescue Net::SMTPError, IOError
ensure
@smtp_session = nil
end
end
end
end
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