#!/usr/bin/env ruby
require 'rubygems'
require 'digest/sha1'
require 'mysql'
require 'yaml'

# Available ENV variables:
# AUTHD_ACCOUNT
# AUTHD_PASSWORD
# AUTHD_LOCAL_IP
# AUTHD_LOCAL_PORT
# AUTHD_REMOTE_IP

UID = 123 # replace with your user id
GID = 123 # replace with your group id

RAILS_ROOT = File.expand_path(File.join(File.dirname(__FILE__), '..'))
config = YAML.load(IO.read("#{RAILS_ROOT}/config/database.yml"))['production']
user = {}

begin
  dbh = Mysql.real_connect(config['host'], config['username'], config['password'], config['database'])
  res = dbh.query("SELECT * FROM users WHERE state = 'active' AND login = '#{ENV['AUTHD_ACCOUNT'].gsub(/'/, "''")}' LIMIT 1")
  user = res.fetch_hash
  res.free
rescue Mysql::Error => e
ensure
  dbh.close if dbh
end

if user['crypted_password'].nil?
  # no active user with given login
  puts "auth_ok:0"
else
  # validate given password
  hashed_pw = Digest::SHA1.hexdigest("--#{user['salt']}--#{ENV['AUTHD_PASSWORD']}--")
  if user['crypted_password'] != hashed_pw
    puts "auth_ok:0"
  else
    puts "auth_ok:1"
    puts "uid:#{UID}"
    puts "gid:#{GIT}"
    puts "dir:#{RAILS_ROOT}/private/ftp/#{user['login']}"
  end
end

puts "end"