/**
* Actual login procedure
*
* @param int $user_id
*
* @return boolean
*/
public function login($user_id)
{
$key = $this->request->variable('authenticate', '');
if (empty($key)) {
throw new http_exception(400, 'TFA_NO_KEY_PROVIDED');
}
foreach ($this->getRegistrations($user_id) as $registration) {
if (!$registration['valid'] || $registration['last_used']) {
continue;
}
if ($this->password_manager->check($key, $registration['secret'])) {
// We found a valid key.
$sql_ary = array('last_used' => time(), 'valid' => false);
$sql = 'UPDATE ' . $this->backup_registration_table . '
SET ' . $this->db->sql_build_array('UPDATE', $sql_ary) . '
WHERE
registration_id = ' . (int) $registration['registration_id'];
$this->db->sql_query($sql);
return true;
}
}
return false;
}
/**
* {@inheritdoc}
*/
public function login($username, $password)
{
// Auth plugins get the password untrimmed.
// For compatibility we trim() here.
$password = trim($password);
// do not allow empty password
if (!$password) {
return array('status' => LOGIN_ERROR_PASSWORD, 'error_msg' => 'NO_PASSWORD_SUPPLIED', 'user_row' => array('user_id' => ANONYMOUS));
}
if (!$username) {
return array('status' => LOGIN_ERROR_USERNAME, 'error_msg' => 'LOGIN_ERROR_USERNAME', 'user_row' => array('user_id' => ANONYMOUS));
}
$username_clean = utf8_clean_string($username);
$sql = 'SELECT *
FROM ' . USERS_TABLE . "\n\t\t\tWHERE username_clean = '" . $this->db->sql_escape($username_clean) . "'";
$result = $this->db->sql_query($sql);
$row = $this->db->sql_fetchrow($result);
$this->db->sql_freeresult($result);
if ($this->user->ip && !$this->config['ip_login_limit_use_forwarded'] || $this->user->forwarded_for && $this->config['ip_login_limit_use_forwarded']) {
$sql = 'SELECT COUNT(*) AS attempts
FROM ' . LOGIN_ATTEMPT_TABLE . '
WHERE attempt_time > ' . (time() - (int) $this->config['ip_login_limit_time']);
if ($this->config['ip_login_limit_use_forwarded']) {
$sql .= " AND attempt_forwarded_for = '" . $this->db->sql_escape($this->user->forwarded_for) . "'";
} else {
$sql .= " AND attempt_ip = '" . $this->db->sql_escape($this->user->ip) . "' ";
}
$result = $this->db->sql_query($sql);
$attempts = (int) $this->db->sql_fetchfield('attempts');
$this->db->sql_freeresult($result);
$attempt_data = array('attempt_ip' => $this->user->ip, 'attempt_browser' => trim(substr($this->user->browser, 0, 149)), 'attempt_forwarded_for' => $this->user->forwarded_for, 'attempt_time' => time(), 'user_id' => $row ? (int) $row['user_id'] : 0, 'username' => $username, 'username_clean' => $username_clean);
$sql = 'INSERT INTO ' . LOGIN_ATTEMPT_TABLE . $this->db->sql_build_array('INSERT', $attempt_data);
$this->db->sql_query($sql);
} else {
$attempts = 0;
}
if (!$row) {
if ($this->config['ip_login_limit_max'] && $attempts >= $this->config['ip_login_limit_max']) {
return array('status' => LOGIN_ERROR_ATTEMPTS, 'error_msg' => 'LOGIN_ERROR_ATTEMPTS', 'user_row' => array('user_id' => ANONYMOUS));
}
return array('status' => LOGIN_ERROR_USERNAME, 'error_msg' => 'LOGIN_ERROR_USERNAME', 'user_row' => array('user_id' => ANONYMOUS));
}
$show_captcha = $this->config['max_login_attempts'] && $row['user_login_attempts'] >= $this->config['max_login_attempts'] || $this->config['ip_login_limit_max'] && $attempts >= $this->config['ip_login_limit_max'];
// If there are too many login attempts, we need to check for a confirm image
// Every auth module is able to define what to do by itself...
if ($show_captcha) {
/* @var $captcha_factory \phpbb\captcha\factory */
$captcha_factory = $this->phpbb_container->get('captcha.factory');
$captcha = $captcha_factory->get_instance($this->config['captcha_plugin']);
$captcha->init(CONFIRM_LOGIN);
$vc_response = $captcha->validate($row);
if ($vc_response) {
return array('status' => LOGIN_ERROR_ATTEMPTS, 'error_msg' => 'LOGIN_ERROR_ATTEMPTS', 'user_row' => $row);
} else {
$captcha->reset();
}
}
// Check password ...
if ($this->passwords_manager->check($password, $row['user_password'], $row)) {
// Check for old password hash...
if ($this->passwords_manager->convert_flag || strlen($row['user_password']) == 32) {
$hash = $this->passwords_manager->hash($password);
// Update the password in the users table to the new format
$sql = 'UPDATE ' . USERS_TABLE . "\n\t\t\t\t\tSET user_password = '******'\n\t\t\t\t\tWHERE user_id = {$row['user_id']}";
$this->db->sql_query($sql);
$row['user_password'] = $hash;
}
$sql = 'DELETE FROM ' . LOGIN_ATTEMPT_TABLE . '
WHERE user_id = ' . $row['user_id'];
$this->db->sql_query($sql);
if ($row['user_login_attempts'] != 0) {
// Successful, reset login attempts (the user passed all stages)
$sql = 'UPDATE ' . USERS_TABLE . '
SET user_login_attempts = 0
WHERE user_id = ' . $row['user_id'];
$this->db->sql_query($sql);
}
// User inactive...
if ($row['user_type'] == USER_INACTIVE || $row['user_type'] == USER_IGNORE) {
return array('status' => LOGIN_ERROR_ACTIVE, 'error_msg' => 'ACTIVE_ERROR', 'user_row' => $row);
}
// Successful login... set user_login_attempts to zero...
return array('status' => LOGIN_SUCCESS, 'error_msg' => false, 'user_row' => $row);
}
// Password incorrect - increase login attempts
$sql = 'UPDATE ' . USERS_TABLE . '
SET user_login_attempts = user_login_attempts + 1
WHERE user_id = ' . (int) $row['user_id'] . '
AND user_login_attempts < ' . LOGIN_ATTEMPTS_MAX;
$this->db->sql_query($sql);
// Give status about wrong password...
return array('status' => $show_captcha ? LOGIN_ERROR_ATTEMPTS : LOGIN_ERROR_PASSWORD, 'error_msg' => 'LOGIN_ERROR_PASSWORD', 'user_row' => $row);
}
