Found on Abhinav Singh:
Follow the steps to successfully run a facebook chat bot:
-Download Jaxl v 1.0.4 or checkout latest from trunk http://jaxl.googlecode.com/svn/trunk/jaxl-read-only
-Edit the configuration file config.ini.php as follows:
$env = "prod";
$key = array("prod"=>array("user"=>"facebook_username",
"pass"=>"facebook_password",
"host"=>"chat.facebook.com",
"port"=>5222,
"domain"=>"chat.facebook.com"
),
Run from command line:
abhinavsingh@abhinavsingh-desktop:/jaxl$ sudo php index.php
OSType: Linux, Registering shutdown for SIGINT and SIGTERM
OpenSSL: Enabled for CLI
Attempting DIGEST-MD5 Authentication...
Starting Session...
Requesting Feature List...
Requesting Roster List...
Setting Status...
Done
Try to send a message to your running chat bot and you shall receive a default message back from the bot saying ‘Hi, Thanks for your message’.