Install an ejabberd with synchronized credentials

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Ejabberd is a chat server that uses XMPP as messaging protocol that you can use with a large amount of clients. In conjunction with the "xmpp" addon it can be used for a web based chat solution for your users.

Installation

• Change it's owner to whichever user is running the server, ie. ejabberd

  $ chown ejabberd:ejabberd /path/to/friendica/include/auth_ejabberd.php
  

• Change the access mode so it is readable only to the user ejabberd and has exec

  $ chmod 700 /path/to/friendica/include/auth_ejabberd.php
  

• Edit your ejabberd.cfg file, comment out your auth_method and add:

  {auth_method, external}.
  {extauth_program, "/path/to/friendica/include/auth_ejabberd.php"}.
  

• Disable the module "mod_register" and disable the registration:

  {access, register, [{deny, all}]}.
  

• Enable BOSH:

  • Enable the module "mod_http_bind"

  • Edit this line:

    {5280, ejabberd_http, [captcha, http_poll, http_bind]}

  • In your apache configuration for your site add this line:

    ProxyPass /http-bind http://127.0.0.1:5280/http-bind retry=0

• Restart your ejabberd service, you should be able to login with your friendica credentials

Other hints

• if a user has a space or a @ in the nickname, the user has to replace these characters:
  • " " (space) is replaced with "%20"
  • "@" is replaced with "(a)"