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<?php
/**
* Email user validation plugin.
* Non-admin or admin created accounts are invalid until their email address is confirmed.
*
* @package ElggUserValidationByEmail
* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
* @author Curverider Ltd
* @copyright Curverider Ltd 2008
* @link http://elgg.com/
*/
function uservalidationbyemail_init()
{
global $CONFIG;
// Register actions
register_action("email/confirm",true, $CONFIG->pluginspath . "uservalidationbyemail/actions/email/confirm.php");
// Register hook listening to new users.
register_elgg_event_handler('validate', 'user', 'uservalidationbyemail_email_validation');
}
/**
* Request email validation.
*/
function uservalidationbyemail_email_validation($event, $object_type, $object)
{
if (($object) && ($object instanceof ElggUser))
{
uservalidationbyemail_request_validation($object->guid);
}
}
/**
* Generate an email activation code.
*
* @param int $user_guid The guid of the user
* @param string $email_address Email address
* @return string
*/
function uservalidationbyemail_generate_code($user_guid, $email_address)
{
global $CONFIG;
return md5($user_guid . $email_address . $CONFIG->site->url); // Note I bind to site URL, this is important on multisite!
}
/**
* Request user validation email.
* Send email out to the address and request a confirmation.
*
* @param int $user_guid The user
* @return mixed
*/
function uservalidationbyemail_request_validation($user_guid)
{
global $CONFIG;
$user_guid = (int)$user_guid;
$user = get_entity($user_guid);
if (($user) && ($user instanceof ElggUser))
{
// Work out validate link
$link = $CONFIG->site->url . "action/email/confirm?u=$user_guid&c=" . uservalidationbyemail_generate_code($user_guid, $user->email);
// Send validation email
$result = notify_user($user->guid, $CONFIG->site->guid, sprintf(elgg_echo('email:validate:subject'), $user->username), sprintf(elgg_echo('email:validate:body'), $user->name, $link), NULL, 'email');
if ($result)
system_message(elgg_echo('uservalidationbyemail:registerok'));
return $result;
}
return false;
}
/**
* Validate a user
*
* @param unknown_type $user_guid
* @param unknown_type $code
* @return unknown
*/
function uservalidationbyemail_validate_email($user_guid, $code)
{
$user = get_entity($user_guid);
$valid = ($code == uservalidationbyemail_generate_code($user_guid, $user->email));
if ($valid)
set_user_validation_status($user_guid, true, 'email');
return $valid;
}
// Initialise
register_elgg_event_handler('init','system','uservalidationbyemail_init');
?>
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