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Current File : /home/vacivi36/www2]/suporte/scp/login.php

<?php
/*********************************************************************
    login.php

    Handles staff authentication/logins

    Peter Rotich <peter@osticket.com>
    Copyright (c)  2006-2013 osTicket
    http://www.osticket.com

    Released under the GNU General Public License WITHOUT ANY WARRANTY.
    See LICENSE.TXT for details.

    vim: expandtab sw=4 ts=4 sts=4:
**********************************************************************/
require_once('../main.inc.php');
if(!defined('INCLUDE_DIR')) die('Fatal Error. Kwaheri!');

// Bootstrap gettext translations. Since no one is yet logged in, use the
// system or browser default
TextDomain::configureForUser();

require_once(INCLUDE_DIR.'class.staff.php');
require_once(INCLUDE_DIR.'class.csrf.php');

$content = Page::lookupByType('banner-staff');
$thisstaff = StaffAuthenticationBackend::getUser();
$dest = $_SESSION['_staff']['auth']['dest'] ?? null;
$msg = $_SESSION['_staff']['auth']['msg'] ?? null;
$msg = $msg ?: ($content ? $content->getLocalName() : __('Authentication Required'));
$dest=($dest && (!strstr($dest,'login.php') && !strstr($dest,'ajax.php')))?$dest:'index.php';
$show_reset = false;
if ($_POST) {
    $json = isset($_POST['ajax']) && $_POST['ajax'];
    $respond = function($code, $message) use ($json, $ost) {
        if ($json) {
            $payload = is_array($message) ? $message
                : array('message' => $message);
            $payload['status'] = (int) $code;
            Http::response(200, JSONDataEncoder::encode($payload),
                'application/json');
        }
        else {
            // Extract the `message` portion only
            if (is_array($message))
                $message = $message['message'];
            Http::response($code, $message);
        }
    };
    $redirect = function($url) use ($json) {
        if ($json)
            Http::response(200, JsonDataEncoder::encode(array(
                'status' => 302, 'redirect' => $url)), 'application/json');
        else
            Http::redirect($url);
    };

    // Check the CSRF token, and ensure that future requests will have to
    // use a different CSRF token. This will help ward off both parallel and
    // serial brute force attacks, because new tokens will have to be
    // requested for each attempt.
    if (!$ost->checkCSRFToken()) {
        $_SESSION['_staff']['auth']['msg'] = __('Valid CSRF Token Required');
        $redirect($_SERVER['REQUEST_URI']);
    }

}
if ($_POST && isset($_POST['userid'])) {
    // Lookup support backends for this staff
    $username = trim($_POST['userid']);
    if ($user = StaffAuthenticationBackend::process($username,
            $_POST['passwd'], $errors)) {
        $redirect($user->isValid() ? $dest : 'login.php');
    }

    $msg = $errors['err'] ?: __('Invalid login');
    $show_reset = true;

    if ($json) {
        $respond(401, ['message' => $msg, 'show_reset' => $show_reset]);
    }
    else {
        // Rotate the CSRF token (original cannot be reused)
        $ost->getCSRF()->rotate();
    }
}
elseif ($_POST
        && !strcmp($_POST['do'], '2fa')
        && $thisstaff
        && $thisstaff->is2FAPending()
        && ($auth=$thisstaff->get2FABackend())) {

    try {
        $form = $auth->getInputForm($_POST);
        if ($form->isValid() && $auth->validate($form, $thisstaff))
            $redirect($dest);
    } catch (ExpiredOTP $ex) {
        // Expired or too many attempts
        $thisstaff->logOut();
        $redirect('login.php');
    }

    $msg = __('Invalid Code');
    if ($json) {
        $respond(401, ['message' => $msg]);
    }
    else {
        // Rotate the CSRF token (original cannot be reused)
        $ost->getCSRF()->rotate();
    }
}
elseif (isset($_GET['do'])) {
    switch ($_GET['do']) {
    case 'ext':
        // Lookup external backend
        if ($bk = StaffAuthenticationBackend::getBackend($_GET['bk']))
            $bk->triggerAuth();
    }
    Http::redirect('login.php');
}
// Consider single sign-on authentication backends
elseif (!$thisstaff || !($thisstaff->getId() || $thisstaff->isValid())) {
    if (($user = StaffAuthenticationBackend::processSignOn($errors, false))
            && ($user instanceof StaffSession)) {
        Http::redirect($dest);
    } else if (isset($_SESSION['_staff']['auth']['msg'])) {
        $msg = $_SESSION['_staff']['auth']['msg'];
    }
}
elseif ($thisstaff && $thisstaff->isValid()) {
    Http::redirect($dest);
}

// Browsers shouldn't suggest saving that username/password
Http::response(422);

define("OSTSCPINC",TRUE); //Make includes happy!
include_once(INCLUDE_DIR.'staff/login.tpl.php');
?>

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