<?php
class ControllerCommonLogin extends Controller {
    private $error = array();

    public function index() {
        $this->load->language('common/login');

        $this->document->setTitle($this->language->get('heading_title'));

        // Check if accessed over HTTPS connection:
        if ($_SERVER['HTTPS'] != true && $this->config->get('debug.mode') !== true) {
            $data['error_secure'] = $this->language->get('error_secure');
        } else {
            $data['error_secure'] = '';
        }

        if ($this->user->isLogged() && isset($this->request->get['token']) && ($this->request->get['token'] == $this->session->data['token'])) {
            $this->response->redirect($this->url->link('common/dashboard', 'token=' . $this->session->data['token'], true));
        }

        if (($this->request->server['REQUEST_METHOD'] == 'POST') && $this->validate()) {
            $this->session->data['token'] = token(32);

            //Execute all update methods from extensions installed
            \Copona\System\Library\Extension\ExtensionManager::executeAllUpdate();

            if (isset($this->request->post['redirect']) && (strpos($this->request->post['redirect'], HTTP_SERVER) === 0 || strpos($this->request->post['redirect'], HTTPS_SERVER) === 0)) {
                $this->response->redirect($this->request->post['redirect'] . '&token=' . $this->session->data['token']);
            } else {
                $this->response->redirect($this->url->link('common/dashboard', 'token=' . $this->session->data['token'], true));
            }
        }

        $data['heading_title'] = $this->language->get('heading_title');

        $data['text_login'] = $this->language->get('text_login');
        $data['text_forgotten'] = $this->language->get('text_forgotten');

        $data['entry_username'] = $this->language->get('entry_username');
        $data['entry_password'] = $this->language->get('entry_password');

        $data['button_login'] = $this->language->get('button_login');

        if ((isset($this->session->data['token']) && !isset($this->request->get['token'])) || ((isset($this->request->get['token']) && (isset($this->session->data['token']) && ($this->request->get['token'] != $this->session->data['token']))))) {
            $this->error['warning'] = $this->language->get('error_token');
        }

        if (isset($this->error['warning'])) {
            $data['error_warning'] = $this->error['warning'];
        } else {
            $data['error_warning'] = '';
        }

        if (isset($this->session->data['success'])) {
            $data['success'] = $this->session->data['success'];

            unset($this->session->data['success']);
        } else {
            $data['success'] = '';
        }

        $data['action'] = $this->url->link('common/login', '', true);

        if (isset($this->request->post['username'])) {
            $data['username'] = $this->request->post['username'];
        } else {
            $data['username'] = '';
        }

        if (isset($this->request->post['password'])) {
            $data['password'] = $this->request->post['password'];
        } else {
            $data['password'] = '';
        }

        if (isset($this->request->get['route'])) {
            $route = $this->request->get['route'];

            unset($this->request->get['route']);
            unset($this->request->get['token']);

            $url = '';

            if ($this->request->get) {
                $url .= http_build_query($this->request->get);
            }

            $data['redirect'] = $this->url->link($route, $url, true);
        } else {
            $data['redirect'] = '';
        }

        if ($this->config->get('config_password')) {
            $data['forgotten'] = $this->url->link('common/forgotten', '', true);
        } else {
            $data['forgotten'] = '';
        }

        $data['header'] = $this->load->controller('common/header');
        $data['footer'] = $this->load->controller('common/footer');

        $this->response->setOutput($this->load->view('common/login', $data));
    }

    protected function validate() {
        if (!isset($this->request->post['username']) || !isset($this->request->post['password']) || !$this->user->login($this->request->post['username'], html_entity_decode($this->request->post['password'], ENT_QUOTES, 'UTF-8'))) {
            $this->error['warning'] = $this->language->get('error_login');
        }

        return !$this->error;
    }

}