AnyEvent::XMPP::Ext::RegisterForm(3) Handle for in band registration


my $con = AnyEvent::XMPP::Connection->new (...);
$con->do_in_band_register (sub {
my ($form, $error) = @_;
if ($error) { print "ERROR: ".$error->string."\n" }
else {
if ($form->type eq 'simple') {
if ($form->has_field ('username') && $form->has_field ('password')) {
$form->set_field (
username => 'test',
password => 'qwerty',
$form->submit (sub {
my ($form, $error) = @_;
if ($error) { print "SUBMIT ERROR: ".$error->string."\n" }
else {
print "Successfully registered as ".$form->field ('username')."\n"
} else {
print "Couldn't fill out the form: " . $form->field ('instructions') ."\n";
} elsif ($form->type eq 'data_form' {
my $dform = $form->data_form;
... fill out the form $dform (of type AnyEvent::XMPP::DataForm) ...
$form->submit_data_form ($dform, sub {
my ($form, $error) = @_;
if ($error) { print "DATA FORM SUBMIT ERROR: ".$error->string."\n" }
else {
print "Successfully registered as ".$form->field ('username')."\n"


This module represents an in band registration form which can be filled out and submitted.

You can get an instance of this class only by requesting it from a AnyEvent::XMPP::Connection by calling the "request_inband_register_form" method.

new (%args)
Usually the constructor takes no arguments except when you want to construct an answer form, then you call the constructor like this:

If you have legacy form fields as a hash ref in $filled_legacy_form:

   AnyEvent::XMPP::Ext::RegisterForm (
      legacy_form => $filled_legacy_form,
      answered => 1

If you have a data form in $answer_data_form:

   AnyEvent::XMPP::Ext::RegisterForm (
      legacy_form => $answer_data_form,
      answered => 1
try_fillout_registration ($username, $password)
This method tries to fill out a form which was received from the other end. It enters the username and password and returns a new AnyEvent::XMPP::Ext::RegisterForm object which is the answer form.

NOTE: This function is just a heuristic to fill out a form for automatic registration, but it might fail if the forms are more complex and have required fields that we don't know.

Registration without user interaction is theoretically not possible because forms can be different from server to server and require different information. Please also have a look at XEP-0077.

Note that if the form is more complicated this method will not work and it's not guranteed that the registration will be successful.

Calling this method on a answer form (where "is_answer_form" returns true) will have an undefined result.

This method will return a true value if this form was returned by eg. "try_fillout_registration" or generally represents an answer form.
This method returns true if the received form were just the current registration data. Basically this method returns true when you are already registered to the server.
This method returns a hash with the keys being the fields of the legacy form as described in the XML scheme of XEP-0077.

If the form contained just nodes the keys will have undef as value.

If the form contained also register information, in case "is_already_registered" returns a true value, the values will contain the strings for the fields.

This method returns the AnyEvent::XMPP::Ext::DataForm that came with the registration response. If no data form was provided by the server this method returns undef.
This method returns a hash like the one returned from the function "url_from_node" in AnyEvent::XMPP::Ext::OOB. It contains the out of band data for this registration form.
This method returns a list of "simxml" nodes.


Robin Redeker, "<elmex at>", JID: "<elmex at>"


Copyright 2007, 2008 Robin Redeker, all rights reserved.

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.