lib/lazylead/smtp.rb
# frozen_string_literal: true
# The MIT License
#
# Copyright (c) 2019-2022 Yurii Dubinka
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom
# the Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
# OR OTHER DEALINGS IN THE SOFTWARE.
require "mail"
require "colorize"
require_relative "log"
require_relative "salt"
module Lazylead
#
# The emails configuration over SMTP protocol.
#
# Author:: Yurii Dubinka (yurii.dubinka@gmail.com)
# Copyright:: Copyright (c) 2019-2020 Yurii Dubinka
# License:: MIT
class Smtp
def initialize(log = Log.new, salt = NoSalt.new, opts = {})
@log = log
@salt = salt
@opts = opts
end
def enable
if @opts.empty? || @opts[:test_mode] || @opts[:smtp_host].blank?
Mail.defaults do
delivery_method :test
end
@log.warn "SMTP connection enabled in " \
"#{'test'.colorize(:light_yellow)} mode."
else
setup_smtp
end
end
private
def setup_smtp
host = @opts[:smtp_host]
port = @opts[:smtp_port]
user = decrypted(:smtp_user)
pass = decrypted(:smtp_pass)
Mail.defaults do
delivery_method :smtp,
address: host,
port: port,
user_name: user,
password: pass,
authentication: "plain",
enable_starttls_auto: true
end
@log.debug "SMTP connection established with #{host} as #{user}."
end
# Decrypt the value of configuration property using cryptography salt.
def decrypted(key)
if @salt.specified?
@salt.decrypt(@opts[key])
else
@opts[key]
end
end
end
end