pics/controllers/ResetPassword.php

110 lines
4.1 KiB
PHP

<?php
/*****************************************************************************
* ResetPassword.php
* Contains the controller for the reset password procedure.
*
* Kabuki CMS (C) 2013-2016, Aaron van Geffen
*****************************************************************************/
class ResetPassword extends HTMLController
{
public function __construct()
{
// Already logged in? Then you don't need this.
if (Registry::get('user')->isLoggedIn())
throw new UserFacingException('You are already logged in.');
// Verifying an existing reset key?
if (isset($_GET['step'], $_GET['email'], $_GET['key']) && $_GET['step'] == 2)
$this->verifyResetKey();
else
$this->requestResetKey();
}
private function requestResetKey()
{
parent::__construct('Reset password - ' . SITE_TITLE);
$form = new ForgotPasswordForm();
$this->page->adopt($form);
// Have they submitted an email address yet?
if (isset($_POST['emailaddress']) && preg_match('~^.+@.+\.[a-z]+$~', trim($_POST['emailaddress'])))
{
$user = Member::fromEmailAddress($_POST['emailaddress']);
if (!$user)
{
$form->adopt(new Alert('Invalid email address', 'The email address you provided could not be found in our system. Please try again.', 'danger'));
return;
}
if (Authentication::getResetTimeOut($user->getUserId()) > 0)
{
// Update the reset time-out to prevent hammering
$resetTimeOut = Authentication::updateResetTimeOut($user->getUserId());
// Present it to the user in a readable way
if ($resetTimeOut > 3600)
$timeOut = sprintf('%d hours', ceil($resetTimeOut / 3600));
elseif ($resetTimeOut > 60)
$timeOut = sprintf('%d minutes', ceil($resetTimeOut / 60));
else
$timeOut = sprintf('%d seconds', $resetTimeOut);
$form->adopt(new Alert('Password reset token already sent', 'We already sent a password reset token to this email address recently. ' .
'If no email was received, please wait ' . $timeOut . ' to try again.', 'error'));
return;
}
Authentication::setResetKey($user->getUserId());
Email::resetMail($user->getUserId());
// Show the success message
$this->page->clear();
$box = new DummyBox('An email has been sent');
$box->adopt(new Alert('', 'We have sent an email to ' . $_POST['emailaddress'] . ' containing details on how to reset your password.', 'success'));
$this->page->adopt($box);
}
}
private function verifyResetKey()
{
$email = rawurldecode($_GET['email']);
$user = Member::fromEmailAddress($email);
if (!$user)
throw new UserFacingException('Invalid email address. Please make sure you copied the full link in the email you received.');
$key = $_GET['key'];
if (!Authentication::checkResetKey($user->getUserId(), $key))
throw new UserFacingException('Invalid reset token. Please make sure you copied the full link in the email you received. Note: you cannot use the same token twice.');
parent::__construct('Reset password - ' . SITE_TITLE);
$form = new PasswordResetForm($email, $key);
$this->page->adopt($form);
// Are they trying to set something already?
if (isset($_POST['password1'], $_POST['password2']))
{
$missing = [];
if (strlen($_POST['password1']) < 6 || !preg_match('~[^A-z]~', $_POST['password1']))
$missing[] = 'Please fill in a password that is at least six characters long and contains at least one non-alphabetic character (e.g. a number or symbol).';
if ($_POST['password1'] != $_POST['password2'])
$missing[] = 'The passwords you entered do not match.';
// So, are we good to go?
if (empty($missing))
{
Authentication::updatePassword($user->getUserId(), Authentication::computeHash($_POST['password1']));
// Consume token, ensuring it isn't used again
Authentication::consumeResetKey($user->getUserId());
$_SESSION['login_msg'] = ['Your password has been reset', 'You can now use the form below to log in to your account.', 'success'];
header('Location: ' . BASEURL . '/login/');
exit;
}
else
$form->adopt(new Alert('Some fields require your attention', '<ul><li>' . implode('</li><li>', $missing) . '</li></ul>', 'danger'));
}
}
}