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<?php
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/**
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* This file is part of the Shieldon package.
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*
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* (c) Terry L. <contact@terryl.in>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*
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* php version 7.1.0
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*
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* @category Web-security
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* @package Shieldon
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* @author Terry Lin <contact@terryl.in>
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* @copyright 2019 terrylinooo
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* @license https://github.com/terrylinooo/shieldon/blob/2.x/LICENSE MIT
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* @link https://github.com/terrylinooo/shieldon
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* @see https://shieldon.io
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*/
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declare(strict_types=1);
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namespace Shieldon\Firewall\Panel;
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use Psr\Http\Message\ResponseInterface;
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use Shieldon\Firewall\Panel\BaseController;
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use Shieldon\Firewall\Firewall\Captcha\CaptchaFactory;
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use Shieldon\Firewall\Captcha\Foundation;
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use Shieldon\Event\Event;
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use function Shieldon\Firewall\__;
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use function Shieldon\Firewall\get_request;
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use function Shieldon\Firewall\get_response;
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use function Shieldon\Firewall\get_session_instance;
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use function Shieldon\Firewall\unset_superglobal;
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use function password_verify;
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/**
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* User
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*/
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class User extends BaseController
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{
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/**
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* Public methods | Desctiotion
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* ----------------------|---------------------------------------------
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* login | Display the login form.
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* logout | Remove the login status.
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* ----------------------|---------------------------------------------
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*/
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/**
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* Constructor.
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*/
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public function __construct()
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{
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parent::__construct();
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}
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/**
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* Login
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*
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* @param string $mode login mode.
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*
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* @return ResponseInterface
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*/
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public function login(): ResponseInterface
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{
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$this->applyCaptchaForms();
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$postParams = get_request()->getParsedBody();
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$login = false;
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$data = [];
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$data['error'] = '';
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$addonTitle = $this->markAsDemo;
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if (
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isset($postParams['s_user']) &&
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isset($postParams['s_pass'])
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) {
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if ($this->mode === 'demo') {
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$loginResult = $this->userLoginAsDemo(
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$postParams['s_user'],
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$postParams['s_pass']
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);
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} else {
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$loginResult = $this->userLoginAsAdmin(
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$postParams['s_user'],
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$postParams['s_pass']
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);
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}
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$login = $loginResult['result'];
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$data['error'] = $loginResult['message'];
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}
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if ($login) {
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// This session variable is to mark current session as a logged user.
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get_session_instance()->set('shieldon_user_login', true);
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Event::doDispatch('user_login');
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// Redirect to overview page if logged in successfully.
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return get_response()->withHeader('Location', $this->url('home/overview'));
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}
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// Start to prompt a login form is not logged.
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if (!defined('SHIELDON_VIEW')) {
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define('SHIELDON_VIEW', true);
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}
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// `$ui` will be used in `css-default.php`. Do not remove it.
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$ui = [
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'background_image' => '',
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'bg_color' => '#ffffff',
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'header_bg_color' => '#212531',
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'header_color' => '#ffffff',
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'shadow_opacity' => '0.2',
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];
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$data['csrf'] = $this->fieldCsrf();
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$data['form'] = get_request()->getUri()->getPath();
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$data['captchas'] = $this->captcha;
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$data['css'] = include $this->kernel::KERNEL_DIR . '/../../templates/frontend/css/default.php';
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unset($ui);
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$data['title'] = __('panel', 'title_login', 'Login') . $addonTitle;
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return $this->respond(
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$this->loadView('frontend/login', $data)
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);
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}
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/**
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* Logout
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*
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* @return ResponseInterface
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*/
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public function logout(): ResponseInterface
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{
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$sessionLoginStatus = get_session_instance()->get('shieldon_user_login');
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$sessionPanelLang = get_session_instance()->get('shieldon_panel_lang');
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$response = get_response();
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if (isset($sessionLoginStatus)) {
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unset_superglobal('shieldon_user_login', 'session');
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}
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if (isset($sessionPanelLang)) {
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unset_superglobal('shieldon_panel_lang', 'session');
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}
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// @codeCoverageIgnoreStart
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if ($this->kernel->psr7) {
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unset_superglobal('_shieldon', 'cookie');
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} else {
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setcookie('_shieldon', '', time() - 3600, '/');
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}
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// // @codeCoverageIgnoreEnd
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return $response->withHeader('Location', $this->url('user/login'));
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}
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/**
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* Set the Captcha modules.
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*
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* @return void
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*/
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protected function applyCaptchaForms(): void
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{
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$this->captcha[] = new Foundation();
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$captchaList = [
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'recaptcha',
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'image',
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];
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foreach ($captchaList as $captcha) {
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$setting = $this->getConfig('captcha_modules.' . $captcha);
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if (is_array($setting)) {
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if (CaptchaFactory::check($setting)) {
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$this->captcha[] = CaptchaFactory::getInstance($captcha, $setting);
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}
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}
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unset($setting);
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}
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}
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/**
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* Login as demonstration.
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*
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* @param string $username The username.
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* @param string $password The password.
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*
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* @return array
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*/
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private function userLoginAsDemo($username, $password): array
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{
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$login = false;
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$errorMsg = '';
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if ($username === 'demo' && $password === 'demo') {
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$login = true;
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}
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$captcha = $this->checkCaptchaValidation($login, $errorMsg);
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$login = $captcha['result'];
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$errorMsg = $captcha['message'];
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return [
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'result' => $login,
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'message' => $errorMsg,
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];
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}
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/**
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* Login as administration.
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*
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* @param string $username The username.
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* @param string $password The password.
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*
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* @return array
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*/
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private function userLoginAsAdmin($username, $password): array
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{
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$admin = $this->getConfig('admin');
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$login = false;
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$errorMsg = '';
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if (
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// Default password, unencrypted.
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$admin['user'] === $username &&
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$admin['pass'] === $password
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) {
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// @codeCoverageIgnoreStart
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$login = true;
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// @codeCoverageIgnoreEnd
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} elseif (
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// User has already changed password, encrypted.
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$admin['user'] === $username &&
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password_verify($password, $admin['pass'])
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) {
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$login = true;
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} else {
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$errorMsg = __('panel', 'login_message_invalid_user_or_pass', 'Invalid username or password.');
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}
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$captcha = $this->checkCaptchaValidation($login, $errorMsg);
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$login = $captcha['result'];
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$errorMsg = $captcha['message'];
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return [
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'result' => $login,
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'message' => $errorMsg,
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];
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}
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/**
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* Check Captcha.
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*
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* @param bool $login The login status that will be overwritten.
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* @param string $errorMsg The error message.
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*
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* @return array
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*/
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private function checkCaptchaValidation(bool $login, string $errorMsg): array
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{
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foreach ($this->captcha as $captcha) {
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if (!$captcha->response()) {
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$login = false;
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$errorMsg = __('panel', 'login_message_invalid_captcha', 'Invalid Captcha code.');
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}
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}
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return [
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'result' => $login,
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'message' => $errorMsg,
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];
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}
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}
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terrylinooo