mailcatcher/lib/mail_catcher.rb

198 lines
4.8 KiB
Ruby

require 'active_support/all'
require 'eventmachine'
require 'optparse'
require 'rbconfig'
require 'thin'
module MailCatcher
extend ActiveSupport::Autoload
autoload :Events
autoload :Growl
autoload :Mail
autoload :Smtp
autoload :Web
module_function
def which command
IO.popen(["which", command], "r", :err => :close).read.chomp.presence
end
def mac?
RbConfig::CONFIG['host_os'] =~ /darwin/
end
def windows?
RbConfig::CONFIG['host_os'] =~ /mswin|mingw/
end
def macruby?
mac? and const_defined? :MACRUBY_VERSION
end
def growlnotify?
which "growlnotify"
end
def growl?
growlnotify?
end
def browse?
windows? or which "open"
end
def browse url
if windows?
system "start", "/b", url
elsif which "open"
system "open", url
end
end
@@defaults = {
:smtp_ip => '127.0.0.1',
:smtp_port => '1025',
:http_ip => '127.0.0.1',
:http_port => '1080',
:verbose => false,
:daemon => !windows?,
:growl => growlnotify?,
:browse => false,
}
def parse! arguments=ARGV, defaults=@@defaults
@@defaults.dup.tap do |options|
OptionParser.new do |parser|
parser.banner = "Usage: mailcatcher [options]"
parser.version = File.read(File.expand_path("../../VERSION", __FILE__))
parser.on("--ip IP", "Set the ip address of both servers") do |ip|
options[:smtp_ip] = options[:http_ip] = ip
end
parser.on("--smtp-ip IP", "Set the ip address of the smtp server") do |ip|
options[:smtp_ip] = ip
end
parser.on("--smtp-port PORT", Integer, "Set the port of the smtp server") do |port|
options[:smtp_port] = port
end
parser.on("--http-ip IP", "Set the ip address of the http server") do |ip|
options[:http_ip] = ip
end
parser.on("--http-port PORT", Integer, "Set the port address of the http server") do |port|
options[:http_port] = port
end
if mac?
parser.on("--[no-]growl", "Growl to the local machine when a message arrives") do |growl|
if growl and not growlnotify?
puts "You'll need to install growlnotify from the Growl installer."
puts
puts "See: http://growl.info/extras.php#growlnotify"
exit!
end
options[:growl] = growl
end
end
unless windows?
parser.on('-f', '--foreground', 'Run in the foreground') do
options[:daemon] = false
end
end
if browse?
parser.on('-b', '--browse', 'Open web browser') do
options[:browse] = true
end
end
parser.on('-v', '--verbose', 'Be more verbose') do
options[:verbose] = true
end
parser.on('-h', '--help', 'Display this help information') do
puts parser
exit!
end
end.parse!
end
end
def run! options=nil
# If we are passed options, fill in the blanks
options &&= @@defaults.merge options
# Otherwise, parse them from ARGV
options ||= parse!
puts "Starting MailCatcher"
Thin::Logging.silent = true
# One EventMachine loop...
EventMachine.run do
# Get our lion on if asked
MailCatcher::Growl.start if options[:growl]
smtp_url = "smtp://#{options[:smtp_ip]}:#{options[:smtp_port]}"
http_url = "http://#{options[:http_ip]}:#{options[:http_port]}"
# Set up an SMTP server to run within EventMachine
rescue_port options[:smtp_port] do
EventMachine.start_server options[:smtp_ip], options[:smtp_port], Smtp
puts "==> #{smtp_url}"
end
# Let Thin set itself up inside our EventMachine loop
# (Skinny/WebSockets just works on the inside)
rescue_port options[:http_port] do
Thin::Server.start options[:http_ip], options[:http_port], Web
puts "==> #{http_url}"
end
# Open the web browser before detatching console
if options[:browse]
EventMachine.next_tick do
browse http_url
end
end
# Daemonize, if we should, but only after the servers have started.
if options[:daemon]
EventMachine.next_tick do
puts "*** MailCatcher now runs as a daemon by default. Go to the web interface to quit."
Process.daemon
end
end
end
end
def quit!
EventMachine.next_tick { EventMachine.stop_event_loop }
end
protected
module_function
def rescue_port port
begin
yield
# XXX: EventMachine only spits out RuntimeError with a string description
rescue RuntimeError
if $!.to_s =~ /\bno acceptor\b/
puts "~~> ERROR: Something's using port #{port}. Are you already running MailCatcher?"
exit -1
else
raise
end
end
end
end