1
0
mirror of https://github.com/cmur2/openvpn-status-web.git synced 2024-11-05 04:56:17 +01:00
openvpn-status-web/lib/openvpn-status-web.rb
2013-05-03 16:06:30 +02:00

114 lines
2.8 KiB
Ruby

#!/usr/bin/env ruby
require 'etc'
require 'logger'
require 'ipaddr'
require 'yaml'
require 'rack'
require 'metriks'
require 'openvpn-status-web/int_patch'
require 'openvpn-status-web/version'
module OpenVPNStatusWeb
def self.logger
@logger
end
def self.logger=(logger)
@logger = logger
end
class LogFormatter
def call(lvl, time, progname, msg)
"[%s] %-5s %s\n" % [Time.now.strftime('%Y-%m-%d %H:%M:%S'), lvl, msg.to_s]
end
end
class Daemon
def initialize(name, file)
@name = name
@file = file
end
def call(env)
main_tmpl = read_template(File.join(File.dirname(__FILE__), 'openvpn-status-web/main.html.erb'))
# variables for template
name = @name
client_list, routing_table, global_stats = read_status_log(@file)
html = main_tmpl.result(binding)
[200, {"Content-Type" => "text/html"}, [html]]
end
def read_template(file)
text = File.open(file, 'rb') do |f| f.read end
ERB.new(text)
end
def read_status_log(file)
text = File.open(file, 'rb') do |f| f.read end
current_section = :none
client_list = []
routing_table = []
global_stats = []
text.lines.each do |line|
(current_section = :cl; next) if line == "OpenVPN CLIENT LIST\n"
(current_section = :rt; next) if line == "ROUTING TABLE\n"
(current_section = :gs; next) if line == "GLOBAL STATS\n"
(current_section = :end; next) if line == "END\n"
case current_section
when :cl then client_list << line.strip.split(',')
when :rt then routing_table << line.strip.split(',')
when :gs then global_stats << line.strip.split(',')
end
end
[client_list[2..-1], routing_table[1..-1], global_stats]
end
def self.run!
if ARGV.length != 1
puts "Usage: openvpn-status-web config_file"
exit 1
end
config_file = ARGV[0]
if not File.file?(config_file)
puts "Config file not found!"
exit 1
end
puts "openvpn-status-web version #{OpenVPNStatusWeb::VERSION}"
puts "Using config file #{config_file}"
config = YAML::load(File.open(config_file, 'r') { |f| f.read })
if config['logfile']
OpenVPNStatusWeb.logger = Logger.new(config['logfile'])
else
OpenVPNStatusWeb.logger = Logger.new(STDOUT)
end
OpenVPNStatusWeb.logger.progname = "openvpn-status-web"
OpenVPNStatusWeb.logger.formatter = LogFormatter.new
OpenVPNStatusWeb.logger.info "Starting..."
app = Daemon.new(config['name'], config['status_file'])
Signal.trap('INT') do
OpenVPNStatusWeb.logger.info "Quitting..."
Rack::Handler::WEBrick.shutdown
end
Rack::Handler::WEBrick.run app, :Host => config['host'], :Port => config['port']
end
end
end