mose/cogbot

module Cinch
  module Plugins
    class Exec
      include Cinch::Plugin

      match /do ([^ ]*)( ?.*)/

      set :plugin_name, 'exec'
      set :help, <<EOT
Exec is a commandline execution proxy: do <command> <pipe-grep> (only the 5 first lines will be displayed)
.do  psaux    : rnning processes
.do  df       : Disk free
.do  last     : last logged
.do  free     : free mem
.do  who      : who is logged
.do  uptime   : uptime and load average
EOT

      def new(bot)
        @bot = bot
      end

      def exec(command,args)
        commands = {
          'psaux' => 'ps -aux',
          'df' => 'df -h',
          'last' => 'last',
          'free' => 'free -mol',
          'who' => 'w -shuo',
          'f' => 'fortune',
          'uptime' => 'uptime'
        }
        if command == 'help'
          return commands.inspect
        elsif !commands[command].nil?
          args.strip!
          line = commands[command]
          unless args.nil? || args == ''
            line += ' | grep ' + args.gsub(/;|&/,'')
          end
          line += '| head -5'
          #back = line + "\n"
          back = `#{line}`
          return back
        else
          return "Command #{command} not found"
        end
      end

      def execute(m,command,args)
        m.reply(exec(command,args))
      end

    end
  end
end