<?php
/* --------------------------------------------------------------
  ShopContentContentControl.php 2019-10-24
  Gambio GmbH
  http://www.gambio.de
  Copyright (c) 2019 Gambio GmbH
  Released under the GNU General Public License (Version 2)
  [http://www.gnu.org/licenses/gpl-2.0.html]
  --------------------------------------------------------------


  based on:
  (c) 2000-2001 The Exchange Project  (earlier name of osCommerce)
  (c) 2002-2003 osCommerce(conditions.php,v 1.21 2003/02/13); www.oscommerce.com
  (c) 2003	 nextcommerce (shop_content.php,v 1.1 2003/08/19); www.nextcommerce.org
  (c) 2003 XT-Commerce - community made shopping http://www.xt-commerce.com ($Id: shop_content.php 1303 2005-10-12 16:47:31Z mz $)

  Released under the GNU General Public License
  --------------------------------------------------------------------------------------- */

// include needed functions
require_once(DIR_FS_INC . 'xtc_validate_email.inc.php');
require_once(DIR_FS_INC . 'html_entity_decode_wrapper.inc.php');
require_once DIR_FS_INC . 'xtc_validate_email.inc.php';

class ShopContentContentControl extends DataProcessing
{
    protected $coo_seo_boost;
    protected $breadcrumb;
    protected $mail_error;
    protected $subject;
    protected $name;
    protected $email_address;
    protected $message_body;
    protected $content_group;
    protected $language_id;
    protected $customer_status_id;
    protected $withdrawal_form = false;
    protected $content;
    protected $coo_content_view;
    protected $coo_captcha;
    protected $coo_withdrawal_content_view;
    protected $pdf_data;
    protected $privacy_accepted = '0';

    public function __construct()
    {
        parent::__construct();
        $this->language_id = (int)$_SESSION['languages_id'];
        $this->customer_status_id = (int)$_SESSION['customers_status']['customers_status_id'];
        $this->coo_content_view = MainFactory::create_object('ShopContentContentView');
        $this->coo_captcha = MainFactory::create_object('Captcha', array('vvcode_input'));
        $this->coo_content_view->set_('captcha', $this->coo_captcha);
        $this->coo_withdrawal_content_view = MainFactory::create_object('WithdrawalContentView');
    }

    protected function set_validation_rules()
    {
        $this->validation_rules_array['coo_seo_boost'] = array(
            'type' => 'object',
            'object_type' => 'GMSEOBoost'
        );
        $this->validation_rules_array['breadcrumb'] = array(
            'type' => 'object',
            'object_type' => 'breadcrumb'
        );
        $this->validation_rules_array['mail_error'] = array('type' => 'string');
        $this->validation_rules_array['subject'] = array('type' => 'string');
        $this->validation_rules_array['name'] = array('type' => 'string');
        $this->validation_rules_array['email_address'] = array('type' => 'string');
        $this->validation_rules_array['message_body'] = array('type' => 'string');
    }

    public function proceed()
    {
        $t_error_message = '';

        $t_group_check_condition = $this->get_group_check_sql_condition();
        $t_shop_content_data = $this->get_content_data($t_group_check_condition);
        
        if ($t_shop_content_data !== false) {
    
            if ($t_shop_content_data['content_type'] === 'link') {
                $this->v_redirect_url = $t_shop_content_data['gm_link'];
                return null;
            }
            
            $SEF_parameter = '';
            if (defined('SEARCH_ENGINE_FRIENDLY_URLS') && SEARCH_ENGINE_FRIENDLY_URLS === 'true') {
                $SEF_parameter = '&content=' . xtc_cleanName($t_shop_content_data['content_title']);
            }

            $t_seo_content_link = $this->get_seo_content_link($SEF_parameter);

            $this->breadcrumb->add($t_shop_content_data['content_title'], $t_seo_content_link);

            if (isset($this->v_data_array['GET']['coID'])) {
                if ($this->v_data_array['GET']['coID'] == 7) {
                    $t_error_message = $this->process_contact_us();
                    if ($t_error_message === true) {
                        return true;
                    }
                } elseif ($this->v_data_array['GET']['coID'] == gm_get_conf('GM_WITHDRAWAL_CONTENT_ID')) {
                    $t_withdrawal_content = $this->build_withdrawal_content($t_group_check_condition);
                    $this->coo_content_view->set_('withdrawal_content', $t_withdrawal_content);
                }

                $this->coo_content_view->set_('content_group_id', (int)$this->v_data_array['GET']['coID']);
                $this->coo_content_view->set_('content_heading', $t_shop_content_data['content_heading']);
                $this->coo_content_view->set_('content_text', $t_shop_content_data['content_text']);
                $this->coo_content_view->set_('content_file', $t_shop_content_data['content_file']);
                $this->coo_content_view->set_('content_id', $t_shop_content_data['content_id']);
            }

            $this->coo_content_view->set_('error_message', $t_error_message);
            $this->coo_content_view->set_('subject', $this->subject);
            $this->coo_content_view->set_('name', $this->name);
            $this->coo_content_view->set_('email_address', $this->email_address);
            $this->coo_content_view->set_('message_body', $this->message_body);
            $this->coo_content_view->set_('file_flag_name', $t_shop_content_data['file_flag_name']);

            if (isset($this->v_data_array['GET']['action'])) {
                $this->coo_content_view->set_('action', $this->v_data_array['GET']['action']);
            }
        }

        $this->v_output_buffer = $this->coo_content_view->get_html();

        return true;
    }

    protected function get_group_check_sql_condition()
    {
        $t_group_check = '';

        if (GROUP_CHECK == 'true') {
            $t_group_check = "and group_ids LIKE '%c_" . $_SESSION['customers_status']['customers_status_id'] . "_group%'";
        }

        return $t_group_check;
    }

    protected function get_content_data($p_group_check_condition = '')
    {
        $t_shop_content_data_array = false;

        $t_sql = '	SELECT
						content_id,
						content_title,
						content_heading,
						content_text,
						content_file,
	                    content_type,
                        gm_link,
						file_flag_name
					FROM
						' . TABLE_CONTENT_MANAGER . "
					LEFT JOIN
						cm_file_flags USING (file_flag)
					WHERE
						content_group='" . (int)$this->v_data_array['GET']['coID'] . "' " . $p_group_check_condition . "
						AND content_position not like 'elements_%'
						AND languages_id='" . (int)$_SESSION['languages_id'] . "'";
        
        $t_shop_content_query = xtc_db_query($t_sql);

        if (xtc_db_num_rows($t_shop_content_query) > 0) {
            $t_shop_content_data_array = xtc_db_fetch_array($t_shop_content_query);
        }
        return $t_shop_content_data_array;
    }

    protected function get_withdrawal_content_query($p_group_check_condition = '')
    {
        $t_sql = "SELECT
					content_id,
					content_file,
					content_heading,
					content_text,
					content_group,
					file_flag_name
					FROM " . TABLE_CONTENT_MANAGER . " as cm
				   LEFT JOIN cm_file_flags AS ff USING (file_flag)
				   WHERE file_flag_name = 'withdrawal'
					AND content_status = 1
					" . $p_group_check_condition . "
					AND languages_id = '" . (int)$_SESSION['languages_id'] . "'";
        $t_shop_content_query = xtc_db_query($t_sql);

        return $t_shop_content_query;
    }

    protected function build_withdrawal_content($p_group_check_condition = '')
    {
        $t_shop_content_query = $this->get_withdrawal_content_query($p_group_check_condition);

        $t_withdrawal_content_view_array = array();
        while ($t_row = xtc_db_fetch_array($t_shop_content_query)) {
            $this->coo_content_view->set_('content_group_id', $t_row['content_group']);
            $this->coo_content_view->set_('content_heading', $t_row['content_heading']);
            $this->coo_content_view->set_('content_text', $t_row['content_text']);
            $this->coo_content_view->set_('content_file', $t_row['content_file']);
            $this->coo_content_view->set_('content_id', $t_row['content_id']);
            $this->coo_content_view->set_('error_message', '');
            $this->coo_content_view->set_('subject', '');
            $this->coo_content_view->set_('name', '');
            $this->coo_content_view->set_('email_address', '');
            $this->coo_content_view->set_('message_body', '');
            $this->coo_content_view->set_('file_flag_name', $t_row['file_flag_name']);
            $this->coo_content_view->set_('coo_seo_boost', $this->coo_seo_boost);

            $t_withdrawal_content_view_array[] = $this->coo_content_view->get_html();
        }

        $t_withdrawal_content = implode('<br /><br /><br />', $t_withdrawal_content_view_array);

        return $t_withdrawal_content;
    }

    protected function get_seo_content_link($p_search_engine_friendly_parameter = '')
    {
        if ($this->coo_seo_boost->boost_content) {
            $gm_seo_content_link = xtc_href_link($this->coo_seo_boost->get_boosted_content_url($this->coo_seo_boost->get_content_id_by_content_group((int)$this->v_data_array['GET']['coID'])));
        } else {
            $gm_seo_content_link = xtc_href_link(FILENAME_CONTENT,
                'coID=' . (int)$this->v_data_array['GET']['coID'] . $p_search_engine_friendly_parameter);
        }

        return $gm_seo_content_link;
    }

    protected function process_contact_us()
    {
        $t_error_message = '';

        if (isset($this->v_data_array['GET']['action']) && ($this->v_data_array['GET']['action'] == 'send')) {
            if (!$this->_validatePrivacy()) {
                $t_error_message = ENTRY_PRIVACY_ERROR;
            } else {
                if ($this->coo_captcha->is_valid($this->v_data_array['POST'], 'GM_CONTACT_VVCODE')) {
                    if (xtc_validate_email(trim($this->email_address))) {
                        $spambot = false;

                        // $_POST['message'] is a fake input field that should not be filled with any data
                        if (!empty($this->v_data_array['POST']['message'])) {
                            $spambot = true;
                        }

                        if (!$spambot) {
                            $t_gm_userdata = 'Name: ' . $this->name . "\n" . 'E-Mail: ' . $this->email_address . "\n\n";
                            xtc_php_mail(CONTACT_US_EMAIL_ADDRESS,
                                CONTACT_US_NAME,
                                CONTACT_US_EMAIL_ADDRESS,
                                CONTACT_US_NAME,
                                CONTACT_US_FORWARDING_STRING,
                                $this->email_address,
                                $this->name,
                                '',
                                '',
                                stripslashes($this->subject),
                                nl2br($t_gm_userdata . $this->message_body),
                                $t_gm_userdata . $this->message_body);
                        }

                        if (!isset($this->mail_error) || $spambot) {
                            $this->set_redirect_url(xtc_href_link(FILENAME_CONTENT,
                                'action=success&coID=' . (int)$this->v_data_array['GET']['coID']));
                            $t_error_message = true;
                        } else {
                            $t_error_message = $this->mail_error;
                        }
                    } else {
                        // error report hier einbauen
                        $t_error_message = ERROR_MAIL;
                    }
                } else {
                    $t_error_message = GM_CONTACT_ERROR_WRONG_VVCODE;
                }
            }
        }

        return $t_error_message;
    }


    protected function _validatePrivacy()
    {
        if (gm_get_conf('GM_CHECK_PRIVACY_CONTACT') === '1'
            && gm_get_conf('PRIVACY_CHECKBOX_CONTACT') === '1'
            && $this->privacy_accepted !== '1'
        ) {
            return false;
        }

        return true;
    }

    public function get_file()
    {
        if (isset($this->content_group) == false) {
            trigger_error('content_group is not set!');
        }

        if ($this->withdrawal_form == true) {
            return $this->get_withdrawal_form_file();
        } else {
            return $this->get_content_file();
        }
    }

    protected function get_withdrawal_form_file()
    {
        $t_filepath = gm_get_content('WITHDRAWAL_FORM_FILE', $this->language_id);
        $t_return_array = array();
        $t_return_array['name'] = $this->get_filename();
        if (trim($t_filepath) != '') {
            $t_file_extension = end(explode('.', $t_filepath));
            $t_return_array['name'] .= '.' . $t_file_extension;
            $t_return_array['path'] = DIR_FS_CATALOG . 'media/content/' . $t_filepath;
            return $t_return_array;
        } else {
            if (file_exists(DIR_FS_CATALOG . 'PdfCreator/tcpdf.php')) {
                require_once(DIR_FS_CATALOG . 'PdfCreator/tcpdf.php');
                $t_return_array['name'] .= '.pdf';
                $t_return_array['path'] = $this->generate_pdf_document();
            } else {
                $t_return_array['name'] .= '.html';
                $t_return_array['path'] = $this->generate_html_document();
            }
            return $t_return_array;
        }

        return false;
    }

    protected function get_content_file()
    {
        $group_check = '';
        if (GROUP_CHECK == 'true') {
            $group_check = " AND group_ids LIKE '%c_" . (int)$this->customer_status_id . "_group%' ";
        }

        $t_query = 'SELECT
						*
					FROM
						content_manager
					WHERE
						content_group = "' . (int)$this->content_group . '"
						AND languages_id = "' . (int)$this->language_id . '"'
            . $group_check;
        $t_result = xtc_db_query($t_query);
        if (xtc_db_num_rows($t_result) == 1) {
            $this->content = xtc_db_fetch_array($t_result);

            $t_return_array = array();
            $t_return_array['name'] = $this->get_filename();

            if ($this->content['download_file'] != '') {
                $t_file_extension = end(explode('.', $this->content['download_file']));
                $t_return_array['name'] .= '.' . $t_file_extension;
                $t_return_array['path'] = DIR_FS_CATALOG . 'media/content/' . $this->content['download_file'];
            } else {
                if ($this->content_group == 3889895) {
                    $shop_content_query = xtc_db_query("SELECT
								download_file
								FROM " . TABLE_CONTENT_MANAGER . " as cm
								LEFT JOIN cm_file_flags AS ff USING (file_flag)
								WHERE file_flag_name = 'withdrawal'
								AND content_status = 1
								" . $group_check . "
								AND languages_id='" . (int)$this->language_id . "'
								AND download_file != ''");

                    if (xtc_db_num_rows($shop_content_query) > 0) {
                        $t_row = xtc_db_fetch_array($shop_content_query);
                        $t_file_extension = end(explode('.', $t_row['download_file']));
                        $t_return_array['name'] .= '.' . $t_file_extension;
                        $t_return_array['path'] = DIR_FS_CATALOG . 'media/content/' . $t_row['download_file'];
                        return $t_return_array;
                    }
                }

                $this->set_content_from_content_file();

                if (file_exists(DIR_FS_CATALOG . 'PdfCreator/tcpdf.php')) {
                    require_once(DIR_FS_CATALOG . 'PdfCreator/tcpdf.php');
                    $t_return_array['name'] .= '.pdf';
                    $t_return_array['path'] = $this->generate_pdf_document();
                } else {
                    $t_return_array['name'] .= '.html';
                    $t_return_array['path'] = $this->generate_html_document();
                }
            }
            return $t_return_array;
        }
        return false;
    }

    protected function set_content_from_content_file()
    {
        if ($this->content['content_file'] != '' && file_exists(DIR_FS_CATALOG . 'media/content/' . basename($this->content['content_file']))) {
            ob_start();
            if (strpos($this->content['content_file'], '.txt')) {
                echo '<pre>';
            }
            include(DIR_FS_CATALOG . 'media/content/' . $this->content['content_file']);
            if (strpos($this->content['content_file'], '.txt')) {
                echo '</pre>';
            }
            $t_content = ob_get_contents();
            ob_end_clean();

            if (strpos($t_content, 'janolaw') !== false) {
                $t_content = str_replace('<br> ', '<br>', $t_content);
                $t_content = preg_replace('#<div(.*?)> #is', '<div$1>', $t_content);
                $t_content = preg_replace('#<li(.*?)> #is', '<li$1>', $t_content);
                $t_content = preg_replace('#id="janolaw-paragraph"#is', 'style="font-weight: bold;"', $t_content);
            }
            $this->content['content_text'] = $t_content;
        }
    }

    protected function get_filename()
    {
        $t_filename = $this->content['content_heading']
        !== '' ? $this->content['content_heading'] : $this->content['content_title'];

        if ($this->withdrawal_form == true) {
            $coo_text_manager = MainFactory::create_object('LanguageTextManager',
                array('withdrawal', $this->language_id));
            $t_filename = $coo_text_manager->get_text('withdrawal_form');
        } elseif ($this->content_group == 3) {
            $t_filename = $this->content['content_title'];
        } elseif ($this->content_group == 3889895) {
            $coo_text_manager = MainFactory::create_object('LanguageTextManager',
                array('withdrawal', $this->language_id));
            $t_filename = $coo_text_manager->get_text('withdrawal_rights');
        }

        return str_replace(' ', '_', $t_filename);
    }

    protected function generate_pdf_document()
    {
        $t_path = DIR_FS_CATALOG . 'cache/' . $this->content_group . '-pdf-' . (int)$this->language_id . '-' . (int)$this->customer_status_id . '-persistent_data_cache-' . LogControl::get_secure_token() . '.pdc';
        if ($this->withdrawal_form == true) {
            $t_path = DIR_FS_CATALOG . 'cache/withdrawal_form-pdf-' . (int)$this->language_id . '-' . (int)$this->customer_status_id . '-persistent_data_cache-' . LogControl::get_secure_token() . '.pdc';
        } elseif ($this->content_group == '3210123') {
            $t_path = DIR_FS_CATALOG . 'cache/' . $this->content_group . '-pdf-' . (int)$this->language_id . '-' . (int)$this->customer_status_id . '-' . $_SESSION['shipping']['id'] . '-persistent_data_cache-' . LogControl::get_secure_token() . '.pdc';
        }

        $t_files_array = glob($t_path);
        if (is_array($t_files_array) && count($t_files_array) == 1) {
            return $t_path;
        }

        if ($this->withdrawal_form == true) {
            $t_content = $this->get_withdrawal_form_content();
        } elseif ($this->content_group == '3889895') {
            $t_content = $this->get_withdrawal_content();
        } else {
            $this->coo_content_view->set_download_template();

            if ($this->content_group == '3210123') {
                $this->content = str_replace('{$VERSANDART_NAME}', $_SESSION['shipping']['title'], $this->content);
            }

            $this->coo_content_view->set_content_data('content', $this->content);
            $t_content = $this->coo_content_view->build_html();
        }

        $t_content = str_replace("\n", "", $t_content);
        $t_content = preg_replace('#size="(.*?)"#is', '', $t_content);
        $t_content = preg_replace('#face="(.*?)"#is', '', $t_content);
        $t_content = preg_replace('#justify#is', 'left', $t_content);
        $t_content = preg_replace('#<script(.*?)>(.*?)</script>#is', '', $t_content);
        $t_content = preg_replace('#<style(.*?)>(.*?)</style>#is', '', $t_content);
        $t_content = preg_replace('#<title(.*?)>(.*?)</title>#is', '', $t_content);
        $t_content = str_replace("&bdquo;", '"', $t_content);
        $t_content = str_replace("&ldquo;", '"', $t_content);
        $t_content = str_replace("&ndash;", '-', $t_content);
        $t_content = preg_replace('#<p(.*?)>(.*?)</p>#is', '<div$1>$2</div><br />', $t_content);
        $t_content = preg_replace('#(<br />)*$#', '', $t_content);
        $t_content = html_entity_decode_wrapper($t_content, false, 'UTF-8');

        $coo_gm_pdf = MainFactory::create_object('TCPDF');
        // SET CONFIG
        $coo_gm_pdf->SetMargins(10, 5, 10);
        $coo_gm_pdf->setFontSubsetting(true);

        $coo_gm_pdf->setPrintHeader(false);
        $coo_gm_pdf->setPrintFooter(false);

        $t_pdf_font_face = gm_get_conf('GM_PDF_DEFAULT_FONT_FACE');
        $t_pdf_font_color = gm_get_conf('GM_PDF_DEFAULT_FONT_COLOR');
        $coo_gm_pdf->SetFont($t_pdf_font_face, '', 9, $t_pdf_font_color, true);

        $coo_gm_pdf->AddPage();
        $coo_gm_pdf->writeHTML($t_content);

        // ADD PDF FILE
        $coo_gm_pdf->Output($t_path, 'F');

        return $t_path;
    }

    protected function generate_html_document()
    {
        $t_path = DIR_FS_CATALOG . 'cache/' . $this->content_group . '-html-' . (int)$this->language_id . '-' . (int)$this->customer_status_id . '-persistent_data_cache-' . LogControl::get_secure_token() . '.pdc';
        if ($this->withdrawal_form == true) {
            $t_path = DIR_FS_CATALOG . 'cache/withdrawal_form-html-' . (int)$this->language_id . '-' . (int)$this->customer_status_id . '-persistent_data_cache-' . LogControl::get_secure_token() . '.pdc';
        }

        $t_files_array = glob($t_path);
        if (is_array($t_files_array) && count($t_files_array) == 1) {
            return $t_path;
        }

        if ($this->withdrawal_form == true) {
            $t_content = $this->get_withdrawal_form_content();
        } elseif ($this->content_group == '3889895') {
            $t_content = $this->get_withdrawal_content();
        } else {
            $this->coo_content_view->set_download_template();
            $this->coo_content_view->set_content_data('content', $this->content);
            $t_content = $this->coo_content_view->get_html();
        }

        $t_content = preg_replace('$</font>$', '</span>', $t_content);
        $t_content = preg_replace('#<script(.*?)>(.*?)</script>#is', '', $t_content);
        $t_content = preg_replace('#<style(.*?)>(.*?)</style>#is', '', $t_content);
        $t_content = preg_replace('#<title(.*?)>(.*?)</title>#is', '', $t_content);
        $t_content = str_replace("&bdquo;", '"', $t_content);
        $t_content = str_replace("&ldquo;", '"', $t_content);
        $t_content = str_replace("&ndash;", '-', $t_content);
        $t_content = preg_replace('#<p(.*?)>(.*?)</p>#is', '<div$1>$2</div><br />', $t_content);
        $t_content = '<html><head><body style="font-size: 12px;">' . $t_content . '</body></html>';
        file_put_contents($t_path, $t_content);

        return $t_path;
    }

    protected function get_withdrawal_form_content()
    {
        $this->coo_withdrawal_content_view->set_withdrawal_pdf_form_template();

        if ((int)STORE_COUNTRY > 0) {
            $t_query = 'SELECT countries_iso_code_2 FROM countries WHERE countries_id = "' . xtc_db_input(STORE_COUNTRY) . '"';
            $t_result = xtc_db_query($t_query);
            if (xtc_db_num_rows($t_result) == 1) {
                $t_row = xtc_db_fetch_array($t_result);
                $coo_language_text_manager = MainFactory::create_object('LanguageTextManager',
                    array('Countries', $this->language_id));
                define('STORE_COUNTRY_NAME', $coo_language_text_manager->get_text($t_row['countries_iso_code_2']));
            }
        }
        return $this->coo_withdrawal_content_view->get_html();
    }

    protected function get_withdrawal_content()
    {
        $t_content = array();
        $coo_text_manager = MainFactory::create_object('LanguageTextManager', array('withdrawal', $this->language_id));
        $t_content['content_heading'] = $coo_text_manager->get_text('withdrawal_rights');
        $coo_withdrawal_control = MainFactory::create_object('WithdrawalControl');
        $coo_withdrawal_control->set_customer_status_id($this->customer_status_id);
        $coo_withdrawal_control->set_language_id($this->language_id);
        $t_content['content_text'] = $coo_withdrawal_control->get_withdrawal_content();

        $this->coo_withdrawal_content_view->set_download_template();

        $this->coo_withdrawal_content_view->set_content_data('content', $t_content);
        return $this->coo_withdrawal_content_view->get_html();
    }

    public function set_content_group($p_content_group)
    {
        $this->content_group = (int)$p_content_group;
    }

    public function set_language_id($p_language_id)
    {
        if ((int)$p_language_id == 0) {
            trigger_error('language_id is not an int!');
        }
        $this->language_id = (int)$p_language_id;
    }

    public function set_customer_status_id($p_customer_status_id)
    {
        if ((string)(int)$p_customer_status_id !== (string)$p_customer_status_id) {
            trigger_error('customer_status_id is not an int!');
        }
        $this->customer_status_id = (int)$p_customer_status_id;
    }

    public function set_withdrawal_form($p_withdrawal_form)
    {
        if ((int)$p_withdrawal_form == 1) {
            $this->withdrawal_form = true;
        }
    }
}