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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Local plugin "staticpage" - View page
*
* @package local_staticpage
* @copyright 2013 Alexander Bias, Ulm University <alexander.bias@uni-ulm.de>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
// defined('MOODLE_INTERNAL') || die(); - Must not be called because this script is called from outside moodle
// Include lib.php
require_once(dirname(__FILE__) . '/lib.php');
// Include config.php
require_once('../../config.php');
// Globals
global $PAGE;
// Get plugin config
$local_staticpage_config = get_config('local_staticpage');
// Require login if the plugin or Moodle is configured to force login
if ($local_staticpage_config->forcelogin == STATICPAGE_FORCELOGIN_YES || ($local_staticpage_config->forcelogin == STATICPAGE_FORCELOGIN_GLOBAL && $CFG->forcelogin)) {
require_login();
}
// View only with /static/ URL
if ($local_staticpage_config->apacherewrite == true) {
if (strpos($_SERVER['REQUEST_URI'], '/static/') > 0 || strpos($_SERVER['REQUEST_URI'], '/static/') === false) {
die;
}
}
// Get requested page's name
$page = required_param('page', PARAM_ALPHANUMEXT);
// Put together document file names
$filename = "$page.html";
// Fetch context
$context = \context_system::instance();
// Get filearea
$fs = get_file_storage();
// Get document from filearea
$file = $fs->get_file($context->id, 'local_staticpage', 'documents', 0, '/', $filename);
// If no file is found, quit with error message
if (!$file) {
print_error('pagenotfound', 'local_staticpage');
}
// Get file content
$filecontents = $file->get_content();
// Import the document, load DOM
$staticdoc = new DOMDocument();
$staticdoc->loadHTML($filecontents);
// Extract page's first h1 (if present)
if (!empty($staticdoc->getElementsByTagName('h1')->item(0)->nodeValue)) {
$firsth1 = $staticdoc->getElementsByTagName('h1')->item(0)->nodeValue;
}
else {
$firsth1 = $page;
}
// Extract page title (if present)
if (!empty($staticdoc->getElementsByTagName('title')->item(0)->nodeValue)) {
$title = $staticdoc->getElementsByTagName('title')->item(0)->nodeValue;
}
else {
$title = $page;
}
// Extract style tag in head (if present) and insert into HTML head
if (!empty($staticdoc->getElementsByTagName('style')->item(0)->nodeValue)) {
$style = $staticdoc->getElementsByTagName('style')->item(0)->nodeValue;
$CFG->additionalhtmlhead = $CFG->additionalhtmlhead.'<style>'.$style.'</style>';
}
// Set page url
if ($local_staticpage_config->apacherewrite == true) {
$PAGE->set_url('/static/'.$page.'.html');
}
else {
$PAGE->set_url('/local/staticpage/view.php?page='.$page);
}
// Set page context
$PAGE->set_context(context_system::instance());
// Set page layout
$PAGE->set_pagelayout('standard');
// Set page title
if ($local_staticpage_config->documenttitlesource == STATICPAGE_TITLE_H1) {
$PAGE->set_title($firsth1);
}
else if ($local_staticpage_config->documenttitlesource == STATICPAGE_TITLE_HEAD) {
$PAGE->set_title($title);
}
else {
$PAGE->set_title($title);
}
// Set page heading
if ($local_staticpage_config->documentheadingsource == STATICPAGE_TITLE_H1) {
$PAGE->set_heading($firsth1);
}
else if ($local_staticpage_config->documentheadingsource == STATICPAGE_TITLE_H1) {
$PAGE->set_heading($title);
}
else {
$PAGE->set_heading($title);
}
// Set page navbar
if ($local_staticpage_config->documentnavbarsource == STATICPAGE_TITLE_H1) {
$PAGE->navbar->add($firsth1);
}
else if ($local_staticpage_config->documentnavbarsource == STATICPAGE_TITLE_HEAD) {
$PAGE->navbar->add($title);
}
else {
$PAGE->navbar->add($title);
}
echo $OUTPUT->header();
// Get html code
$html = $staticdoc->saveHTML();
// Remove everything except body tag content from html
$startcut = strpos($html, '<body>') + 6;
$stopcut = strpos($html, '</body>') - $startcut;
$html = substr($html, $startcut, $stopcut);
// Print html code
if ($local_staticpage_config->processfilters == STATICPAGE_PROCESSFILTERS_YES && $local_staticpage_config->cleanhtml == STATICPAGE_CLEANHTML_YES) {
echo format_text($html, FORMAT_HTML, array('trusted' => false, 'noclean' => false, 'filter' => true));
}
else if ($local_staticpage_config->processfilters == STATICPAGE_PROCESSFILTERS_YES && $local_staticpage_config->cleanhtml == STATICPAGE_CLEANHTML_NO) {
echo format_text($html, FORMAT_HTML, array('trusted' => true, 'noclean' => true, 'filter' => true));
}
else if ($local_staticpage_config->processfilters == STATICPAGE_PROCESSFILTERS_NO && $local_staticpage_config->cleanhtml == STATICPAGE_CLEANHTML_YES) {
echo format_text($html, FORMAT_HTML, array('trusted' => false, 'noclean' => false, 'filter' => false));
}
else if ($local_staticpage_config->processfilters == STATICPAGE_PROCESSFILTERS_NO && $local_staticpage_config->cleanhtml == STATICPAGE_CLEANHTML_NO) {
echo format_text($html, FORMAT_HTML, array('trusted' => true, 'noclean' => true, 'filter' => false));
}
// This should not happen
else {
echo $html;
}
echo $OUTPUT->footer();