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simple-machines-forum/Sources/Reminder.php

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<?php
/**
* Handle sending out reminders, and checking the secret answer and question. It uses just a few functions to do this, which are:
* Simple Machines Forum (SMF)
*
* @package SMF
* @author Simple Machines https://www.simplemachines.org
* @copyright 2022 Simple Machines and individual contributors
* @license https://www.simplemachines.org/about/smf/license.php BSD
*
* @version 2.1.0
*/
if (!defined('SMF'))
die('No direct access...');
/**
* This is the controlling delegator
*
* Uses Profile language files and Reminder template
*/
function RemindMe()
{
global $txt, $context;
loadLanguage('Profile');
loadTemplate('Reminder');
$context['page_title'] = $txt['authentication_reminder'];
$context['robot_no_index'] = true;
// Delegation can be useful sometimes.
$subActions = array(
'picktype' => 'RemindPick',
'secret2' => 'SecretAnswer2',
'setpassword' => 'setPassword',
'setpassword2' => 'setPassword2'
);
// Any subaction? If none, fall through to the main template, which will ask for one.
if (isset($_REQUEST['sa']) && isset($subActions[$_REQUEST['sa']]))
call_helper($subActions[$_REQUEST['sa']]);
// Creating a one time token.
else
createToken('remind');
}
/**
* Allows the user to pick how they wish to be reminded
*/
function RemindPick()
{
global $context, $txt, $scripturl, $sourcedir, $user_info, $webmaster_email, $smcFunc, $language, $modSettings;
checkSession();
validateToken('remind');
createToken('remind');
// Coming with a known ID?
if (!empty($_REQUEST['uid']))
{
$where = 'id_member = {int:id_member}';
$where_params['id_member'] = (int) $_REQUEST['uid'];
}
elseif (isset($_POST['user']) && $_POST['user'] != '')
{
$where = 'member_name = {string:member_name}';
$where_params['member_name'] = $_POST['user'];
$where_params['email_address'] = $_POST['user'];
}
// You must enter a username/email address.
if (empty($where))
fatal_lang_error('username_no_exist', false);
// Make sure we are not being slammed
// Don't call this if you're coming from the "Choose a reminder type" page - otherwise you'll likely get an error
if (!isset($_POST['reminder_type']) || !in_array($_POST['reminder_type'], array('email', 'secret')))
{
spamProtection('remind');
}
// Find the user!
$request = $smcFunc['db_query']('', '
SELECT id_member, real_name, member_name, email_address, is_activated, validation_code, lngfile, secret_question
FROM {db_prefix}members
WHERE ' . $where . '
LIMIT 1',
$where_params
);
// Maybe email?
if ($smcFunc['db_num_rows']($request) == 0 && empty($_REQUEST['uid']))
{
$smcFunc['db_free_result']($request);
$request = $smcFunc['db_query']('', '
SELECT id_member, real_name, member_name, email_address, is_activated, validation_code, lngfile, secret_question
FROM {db_prefix}members
WHERE email_address = {string:email_address}
LIMIT 1',
$where_params
);
if ($smcFunc['db_num_rows']($request) == 0)
fatal_lang_error('no_user_with_email', false);
}
$row = $smcFunc['db_fetch_assoc']($request);
$smcFunc['db_free_result']($request);
// If the user isn't activated/approved, give them some feedback on what to do next.
if ($row['is_activated'] != 1)
{
// Awaiting approval...
if (trim($row['validation_code']) == '')
fatal_error(sprintf($txt['registration_not_approved'], $scripturl . '?action=activate;user=' . $_POST['user']), false);
else
fatal_error(sprintf($txt['registration_not_activated'], $scripturl . '?action=activate;user=' . $_POST['user']), false);
}
// You can't get emailed if you have no email address.
$row['email_address'] = trim($row['email_address']);
if ($row['email_address'] == '')
fatal_error($txt['no_reminder_email'] . '<br>' . $txt['send_email_to'] . ' <a href="mailto:' . $webmaster_email . '">' . $txt['webmaster'] . '</a> ' . $txt['to_ask_password']);
// If they have no secret question then they can only get emailed the item, or they are requesting the email, send them an email.
if (empty($row['secret_question']) || (isset($_POST['reminder_type']) && $_POST['reminder_type'] == 'email'))
{
// Randomly generate a new password, with only alpha numeric characters that is a max length of 10 chars.
require_once($sourcedir . '/Subs-Members.php');
$password = generateValidationCode();
require_once($sourcedir . '/Subs-Post.php');
$replacements = array(
'REALNAME' => $row['real_name'],
'REMINDLINK' => $scripturl . '?action=reminder;sa=setpassword;u=' . $row['id_member'] . ';code=' . $password,
'IP' => $user_info['ip'],
'MEMBERNAME' => $row['member_name'],
);
$emaildata = loadEmailTemplate('forgot_password', $replacements, empty($row['lngfile']) || empty($modSettings['userLanguage']) ? $language : $row['lngfile']);
$context['description'] = $txt['reminder_sent'];
sendmail($row['email_address'], $emaildata['subject'], $emaildata['body'], null, 'reminder', $emaildata['is_html'], 1);
// Set the password in the database.
updateMemberData($row['id_member'], array('validation_code' => substr(md5($password), 0, 10)));
// Set up the template.
$context['sub_template'] = 'sent';
// Don't really.
return;
}
// Otherwise are ready to answer the question?
elseif (isset($_POST['reminder_type']) && $_POST['reminder_type'] == 'secret')
{
return SecretAnswerInput();
}
// No we're here setup the context for template number 2!
$context['sub_template'] = 'reminder_pick';
$context['current_member'] = array(
'id' => $row['id_member'],
'name' => $row['member_name'],
);
}
/**
* Allows the user to set their new password
*/
function setPassword()
{
global $txt, $context;
loadLanguage('Login');
// You need a code!
if (!isset($_REQUEST['code']))
fatal_lang_error('no_access', false);
// Fill the context array.
$context += array(
'page_title' => $txt['reminder_set_password'],
'sub_template' => 'set_password',
'code' => $_REQUEST['code'],
'memID' => (int) $_REQUEST['u']
);
loadJavaScriptFile('register.js', array('defer' => false, 'minimize' => true), 'smf_register');
// Tokens!
createToken('remind-sp');
}
/**
* Actually sets the new password
*/
function setPassword2()
{
global $context, $modSettings, $txt, $smcFunc, $sourcedir;
checkSession();
validateToken('remind-sp');
if (empty($_POST['u']) || !isset($_POST['passwrd1']) || !isset($_POST['passwrd2']))
fatal_lang_error('no_access', false);
$_POST['u'] = (int) $_POST['u'];
if ($_POST['passwrd1'] != $_POST['passwrd2'])
fatal_lang_error('passwords_dont_match', false);
if ($_POST['passwrd1'] == '')
fatal_lang_error('no_password', false);
loadLanguage('Login');
// Get the code as it should be from the database.
$request = $smcFunc['db_query']('', '
SELECT validation_code, member_name, email_address, passwd_flood
FROM {db_prefix}members
WHERE id_member = {int:id_member}
AND is_activated = {int:is_activated}
AND validation_code != {string:blank_string}
LIMIT 1',
array(
'id_member' => $_POST['u'],
'is_activated' => 1,
'blank_string' => '',
)
);
// Does this user exist at all?
if ($smcFunc['db_num_rows']($request) == 0)
fatal_lang_error('invalid_userid', false);
list ($realCode, $username, $email, $flood_value) = $smcFunc['db_fetch_row']($request);
$smcFunc['db_free_result']($request);
// Is the password actually valid?
require_once($sourcedir . '/Subs-Auth.php');
$passwordError = validatePassword($_POST['passwrd1'], $username, array($email));
// What - it's not?
if ($passwordError != null)
if ($passwordError == 'short')
fatal_lang_error('profile_error_password_' . $passwordError, false, array(empty($modSettings['password_strength']) ? 4 : 8));
else
fatal_lang_error('profile_error_password_' . $passwordError, false);
require_once($sourcedir . '/LogInOut.php');
// Quit if this code is not right.
if (empty($_POST['code']) || substr($realCode, 0, 10) !== substr(md5($_POST['code']), 0, 10))
{
// Stop brute force attacks like this.
validatePasswordFlood($_POST['u'], $flood_value, false);
fatal_error($txt['invalid_activation_code'], false);
}
// Just in case, flood control.
validatePasswordFlood($_POST['u'], $flood_value, true);
// User validated. Update the database!
updateMemberData($_POST['u'], array('validation_code' => '', 'passwd' => hash_password($username, $_POST['passwrd1'])));
call_integration_hook('integrate_reset_pass', array($username, $username, $_POST['passwrd1']));
loadTemplate('Login');
$context += array(
'page_title' => $txt['reminder_password_set'],
'sub_template' => 'login',
'default_username' => $username,
'default_password' => $_POST['passwrd1'],
'never_expire' => false,
'description' => $txt['reminder_password_set']
);
createToken('login');
}
/**
* Allows the user to enter their secret answer
*/
function SecretAnswerInput()
{
global $context, $smcFunc;
checkSession();
// Strings for the register auto javascript clever stuffy wuffy.
loadLanguage('Login');
// Check they entered something...
if (empty($_REQUEST['uid']))
fatal_lang_error('username_no_exist', false);
// Get the stuff....
$request = $smcFunc['db_query']('', '
SELECT id_member, real_name, member_name, secret_question
FROM {db_prefix}members
WHERE id_member = {int:id_member}
LIMIT 1',
array(
'id_member' => (int) $_REQUEST['uid'],
)
);
if ($smcFunc['db_num_rows']($request) == 0)
fatal_lang_error('username_no_exist', false);
$row = $smcFunc['db_fetch_assoc']($request);
$smcFunc['db_free_result']($request);
// If there is NO secret question - then throw an error.
if (trim($row['secret_question']) == '')
fatal_lang_error('registration_no_secret_question', false);
// Ask for the answer...
$context['remind_user'] = $row['id_member'];
$context['remind_type'] = '';
$context['secret_question'] = $row['secret_question'];
$context['sub_template'] = 'ask';
createToken('remind-sai');
loadJavaScriptFile('register.js', array('defer' => false, 'minimize' => true), 'smf_register');
}
/**
* Validates the secret answer input by the user
*/
function SecretAnswer2()
{
global $txt, $context, $modSettings, $smcFunc, $sourcedir;
checkSession();
validateToken('remind-sai');
// Hacker? How did you get this far without an email or username?
if (empty($_REQUEST['uid']))
fatal_lang_error('username_no_exist', false);
loadLanguage('Login');
// Get the information from the database.
$request = $smcFunc['db_query']('', '
SELECT id_member, real_name, member_name, secret_answer, secret_question, email_address
FROM {db_prefix}members
WHERE id_member = {int:id_member}
LIMIT 1',
array(
'id_member' => $_REQUEST['uid'],
)
);
if ($smcFunc['db_num_rows']($request) == 0)
fatal_lang_error('username_no_exist', false);
$row = $smcFunc['db_fetch_assoc']($request);
$smcFunc['db_free_result']($request);
/*
* Check if the secret answer is correct.
* In 2.1 this was changed to use hash_(verify_)passsword, same as the password. The length of the hash is 60 characters.
* Prior to 2.1 this was a simple md5. The length of the hash is 32 characters.
* For compatibility with older answers, we still check if a match occurs on md5. As there is a difference in the hash lengths, there isn't a possiblity of a cross match between the hashes. This will ensure in future answer updates will prevent md5 methods from working.
*/
if ($row['secret_question'] == '' || $row['secret_answer'] == '' || (!hash_verify_password($row['member_name'], $_POST['secret_answer'], $row['secret_answer']) && md5($_POST['secret_answer']) != $row['secret_answer']))
{
log_error(sprintf($txt['reminder_error'], $row['member_name']), 'user');
fatal_lang_error('incorrect_answer', false);
}
// You can't use a blank one!
if (strlen(trim($_POST['passwrd1'])) === 0)
fatal_lang_error('no_password', false);
// They have to be the same too.
if ($_POST['passwrd1'] != $_POST['passwrd2'])
fatal_lang_error('passwords_dont_match', false);
// Make sure they have a strong enough password.
require_once($sourcedir . '/Subs-Auth.php');
$passwordError = validatePassword($_POST['passwrd1'], $row['member_name'], array($row['email_address']));
// Invalid?
if ($passwordError != null)
if ($passwordError == 'short')
fatal_lang_error('profile_error_password_' . $passwordError, false, array(empty($modSettings['password_strength']) ? 4 : 8));
else
fatal_lang_error('profile_error_password_' . $passwordError, false);
// Alright, so long as 'yer sure.
updateMemberData($row['id_member'], array('passwd' => hash_password($row['member_name'], $_POST['passwrd1'])));
call_integration_hook('integrate_reset_pass', array($row['member_name'], $row['member_name'], $_POST['passwrd1']));
// Tell them it went fine.
loadTemplate('Login');
$context += array(
'page_title' => $txt['reminder_password_set'],
'sub_template' => 'login',
'default_username' => $row['member_name'],
'default_password' => $_POST['passwrd1'],
'never_expire' => false,
'description' => $txt['reminder_password_set']
);
createToken('login');
}
?>
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