dan.thoughts

$ gem install xmpp4r
$ gem install xmpp4r-simple

#!/usr/bin/ruby
require 'rubygems'
require 'xmpp4r'
require 'xmpp4r-simple'
 
$jabber_login = "YOUR_JABBER_ID_HERE" # test@jabber.org
$jabber_password = "YOUR_PASSWORD_HERE" 
$client = nil
 
# create jabber connection
def jabber_connect()
  begin
    conn = Jabber::Simple.new($jabber_login,$jabber_password)
    return conn
  rescue
    return nil
  end
end
 
# send message to jabber client
def jabber_respond(to, msg)
  $client.deliver(to,msg,:chat)	
end
 
# get sender jabber id
def jabber_get_jid(str)
  matches = str.match(/([a-z\d_.\-]{1,32})@([a-z\d.-]{1,32})\//i)
  return "#{matches[1]}@#{matches[2]}"
end
 
# ------------------------------------------------------------------- #
 
# send server time
def app_time(jid)
  jabber_respond(jid, "Server time is: #{Time.now}")
end
 
# send some 'help' :)
def app_help(jid)
  jabber_respond(jid, "Nobody can help you. You`re alone.")
end
 
# process received message
def app_parse_msg(jid, msg)
  cmd = msg.body.strip
  begin
    case cmd
      when /^help$/i then app_help(jid)
      when /^time$/i then app_time(jid)
      when /^jid$/i then jabber_respond(jid, "Your jabber id: #{jid}")
      else
        jabber_respond(jid, "Unknown command. Try something different.")
    end
  rescue Exception => ex
    jabber_respond(jid, "SYSTEM_ERROR: #{ex}")
  end
end
 
# ------------------------------------------------------------------- #
 
puts "Connecting to jabber server..."
$client = jabber_connect()
if $client
  puts "Connected. Waiting for messages..."
  loop do
    $client.received_messages do |message|
      jid = jabber_get_jid(message.from.to_s)
      puts "Received message from #{jid}: #{message.body}"
      app_parse_msg(jid, message)
    end
    sleep 0.1
  end
else
  puts "Cannot connect. Please try again later."
end