<?php

/**
 * @package tikiwiki
 */

// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
//
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id$

$section_class = "tiki_wiki_page print";
require_once('tiki-setup.php');
$wikilib = TikiLib::lib('wiki');

$auto_query_args = ['page','filename'];

$access->check_feature(['feature_wiki', 'feature_wiki_print']);

// Create the HomePage if it doesn't exist
if (! $tikilib->page_exists($prefs['wikiHomePage'])) {
    $tikilib->create_page($prefs['wikiHomePage'], 0, '', $tikilib->now, 'Tiki initialization');
}
// Get the page from the request var or default it to HomePage
if (! isset($_REQUEST["page"])) {
    $page = $prefs['wikiHomePage'];
    $smarty->assign('page', $prefs['wikiHomePage']);
} else {
    $page = $_REQUEST["page"];
    $smarty->assign_by_ref('page', $_REQUEST["page"]);
}
$cat_type = 'wiki page';
$cat_objid = $page;
// If the page doesn't exist
if (! ($info = $tikilib->get_page_info($page))) {
    // First, try cleaning the url to see if it matches an existing page.
    $wikilib->clean_url_suffix_and_redirect($page, $type = '', $path = '', $prefix = '');

    // If after cleaning the url, the page does not exist then display an error
    $smarty->assign('msg', tra('Page cannot be found'));
    $smarty->display('error.tpl');
    die;
}
$smarty->assign('page_id', $info['page_id']);

// Now check permissions to access this page
$tikilib->get_perm_object($page, 'wiki page', $info);
$access->check_permission('tiki_p_view', '', 'wiki page', $page);

// Now increment page hits since we are visiting this page
$tikilib->add_hit($page);

if ($prefs['print_wiki_authors'] === 'y') {
    // Get the authors style for this page
    $wiki_authors_style = ($prefs['wiki_authors_style_by_page'] == 'y' && $info['wiki_authors_style'] != '') ? $info['wiki_authors_style'] : $prefs['wiki_authors_style'];
    $smarty->assign('wiki_authors_style', $wiki_authors_style);
}

if (isset($prefs['wiki_feature_copyrights']) && $prefs['wiki_feature_copyrights'] == 'y' && isset($prefs['wikiLicensePage'])) {
    // insert license if wiki copyrights enabled
    $license_info = $tikilib->get_page_info($prefs['wikiLicensePage']);
    $tikilib->add_hit($prefs['wikiLicensePage']);
    $info["data"] = $info["data"] . $license_info["data"];
    $_REQUEST['copyrightpage'] = $page;
}
// Verify lock status
if ($info["flag"] == 'L') {
    $smarty->assign('lock', true);
} else {
    $smarty->assign('lock', false);
}
if ($prefs['feature_wiki_structure'] == 'y') {
    $structlib = TikiLib::lib('struct');
    if (isset($_REQUEST['page_ref_id'])) {
        // If a structure page has been requested
        $page_ref_id = $_REQUEST['page_ref_id'];
    } else {
        $page_ref_id = $structlib->get_struct_ref_id($_REQUEST['page']);
    }
    if ($page_ref_id) {
        $page_info = $structlib->s_get_page_info($page_ref_id);
        $structure = 'y';
        $structure_path = $structlib->get_structure_path($page_ref_id);
        $smarty->assign('structure_path', $structure_path);
        if (! empty($page_info['page_alias'])) {
            $crumbpage = $page_info['page_alias'];
        } else {
            $crumbpage = $page;
        }
    }
}
$pdata = TikiLib::lib('parser')->parse_data($info["data"], ['is_html' => $info["is_html"], 'print' => 'y', 'namespace' => $info["namespace"]]);

//replacing bootstrap classes for print version.

$pdata = str_replace(['col-sm','col-md','col-lg'], 'col-xs', $pdata);

$smarty->assign_by_ref('parsed', $pdata);
$smarty->assign_by_ref('lastModif', $info["lastModif"]);
if (empty($info["user"])) {
    $info["user"] = 'anonymous';
}
$smarty->assign_by_ref('lastVersion', $info["version"]);
$smarty->assign_by_ref('lastUser', $info["user"]);
$crumbs[] = new Breadcrumb(isset($crumbpage) ? $crumbpage : $page, $info["description"], 'tiki-index.php?page=' . urlencode($page), '', '');
ask_ticket('print');
// disallow robots to index page:
$smarty->assign('metatag_robots', 'NOINDEX, NOFOLLOW');
// Display the Index Template
$creator = $wikilib->get_creator($page);
$smarty->assign('creator', $creator);
$smarty->assign('print_page', 'y');
$smarty->assign('urlprefix', $base_url); // Obsolete, use base_url instead. This is for compatibility purposes only.
$smarty->assign('mid', 'extends:layouts/internal/layout_view.tpl|tiki-show_page.tpl');
$smarty->assign('display', isset($_REQUEST['display']) ? $_REQUEST['display'] : '');

// Allow PDF export by installing a Mod that define an appropriate function
if (isset($_REQUEST['display']) && $_REQUEST['display'] == 'pdf') {
    require_once 'lib/pdflib.php';
    $generator = new PdfGenerator();
    if (! empty($generator->error)) {
        Feedback::error($generator->error);
        $access->redirect($page);
    } else {
        // One can override the default file name and title with the filename URL parameter
        if (isset($_REQUEST['filename'])) {
            $page = $_REQUEST['filename'];
        }
        $pdf = $generator->getPdf('tiki-print.php', ['page' => $page], $pdata);
        $length = strlen($pdf);
        header('Cache-Control: private, must-revalidate');
        header('Pragma: private');
        header("Content-Description: File Transfer");
        $page = preg_replace('/\W+/u', '_', $page); // Replace non words with underscores for valid file names
        $page = \TikiLib::lib('tiki')->remove_non_word_characters_and_accents($page);
        header('Content-disposition: attachment; filename="' . $page . '.pdf"');
        header("Content-Type: application/pdf");
        header("Content-Transfer-Encoding: binary");
        header('Content-Length: ' . $length);
        echo $pdf;
    }
} else {
    $smarty->display('tiki-print.tpl');
}