" . $_LANG['globalsystemname'] . " > " . $_LANG['clientareatitle'] . " > " . $_LANG['unsubscribe'] . "";
initialiseClientArea($pagetitle, '', $breadcrumbnav);
$email = $whmcs->get_req_var('email');
$key = $whmcs->get_req_var('key');
if( $email )
{
$errormessage = dounsubscribe($email, $key);
$smartyvalues['errormessage'] = $errormessage;
if( !$errormessage )
{
$smartyvalues['successful'] = true;
}
$templatefile = 'unsubscribe';
outputClientArea($templatefile);
}
else
{
redir("index.php");
}
function doUnsubscribe($email, $key)
{
global $whmcs;
global $_LANG;
$whmcs->get_hash();
if( !$email )
{
return $_LANG['pwresetemailrequired'];
}
$result = select_query('tblclients', 'id,email,emailoptout', array( 'email' => $email ));
$data = mysql_fetch_array($result);
$userid = $data['id'];
$email = $data['email'];
$emailoptout = $data['emailoptout'];
$newkey = sha1($email . $userid . $cc_encryption_hash);
if( $newkey == $key )
{
if( !$userid )
{
return $_LANG['unsubscribehashinvalid'];
}
if( $emailoptout == 1 )
{
return $_LANG['alreadyunsubscribed'];
}
update_query('tblclients', array( 'emailoptout' => '1' ), array( 'id' => $userid ));
sendMessage("Unsubscribe Confirmation", $userid);
logActivity("Unsubscribed From Marketing Emails - User ID:" . $userid, $userid);
}
else
{
return $_LANG['unsubscribehashinvalid'];
}
}