mailcatcher/lib/mail_catcher.rb
Samuel Cochran a8c4843b13
wip
2016-07-26 21:25:53 +10:00

222 lines
5.0 KiB
Ruby

require "logger"
require "open3"
require "optparse"
require "rbconfig"
require "mail_catcher/smtp"
require "mail_catcher/http"
require "mail_catcher/version"
module MailCatcher extend self
def which?(command)
ENV["PATH"].split(File::PATH_SEPARATOR).any? do |directory|
File.executable?(File.join(directory, command.to_s))
end
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 browseable?
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?,
:browse => false,
:quit => true,
}
def options
@@options
end
def quittable?
options[:quit]
end
def parse! arguments=ARGV, defaults=@defaults
@@defaults.dup.tap do |options|
OptionParser.new do |parser|
parser.banner = "Usage: mailcatcher [options]"
parser.version = VERSION
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
parser.on("--no-quit", "Don't allow quitting the process") do
options[:quit] = false
end
if mac?
parser.on("--[no-]growl") do |growl|
puts "Growl is no longer supported"
exit -2
end
end
unless windows?
parser.on('-f', '--foreground', 'Run in the foreground') do
options[:daemon] = false
end
end
if browseable?
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 logger
@logger ||= Logger.new(STDOUT).tap do |logger|
logger.level = Logger::INFO
end
end
def run! options=nil
# If we are passed options, fill in the blanks
options &&= options.reverse_merge @@defaults
# Otherwise, parse them from ARGV
options ||= parse!
# Stash them away for later
@@options = options
# If we're running in the foreground sync the output.
unless options[:daemon]
$stdout.sync = $stderr.sync = true
end
puts "Starting MailCatcher"
# Start up an SMTP server
@smtp_server = MailCatcher::SMTP.new(host: options[:smtp_ip], port: options[:smtp_port], logger: logger)
@smtp_server.start
# Start up an HTTP server
@http_server = MailCatcher::HTTP.new(host: options[:http_ip], port: options[:http_port], logger: logger)
@http_server.start
# Set up some signal traps to gracefully quit
#Signal.trap("INT") { quit! }
#Signal.trap("TERM") { quit! }
# Tell her about it
puts "==> #{smtp_url}"
puts "==> #{http_url}"
# Open a browser if we were asked to
if options[:browse]
browse http_url
end
# Daemonize, if we should, but only after the servers have started.
if options[:daemon]
if quittable?
puts "*** MailCatcher runs as a daemon by default. Go to the web interface to quit."
else
puts "*** MailCatcher is now running as a daemon that cannot be quit."
end
Process.daemon
end
# Now wait for shutdown
@smtp_server.join
@http_server.join
logger.info "Bye! 👋"
end
def quit!
unless quitting?
@smtp_server.stop
@http_server.stop
@quitting = true
end
end
def quitting?
!!@quitting
end
protected
def smtp_url
"smtp://#{@@options[:smtp_ip]}:#{@@options[:smtp_port]}"
end
def http_url
"http://#{@@options[:http_ip]}:#{@@options[:http_port]}"
end
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?"
puts "==> #{smtp_url}"
puts "==> #{http_url}"
exit -1
else
raise
end
end
end
end