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294 lines
8.9 KiB
294 lines
8.9 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* This file will show documents in a separate frame.
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* We don't like frames, but it was the best of two bad things.
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*
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* display html files within Chamilo - html files have the Chamilo header.
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*
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* --- advantages ---
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* users "feel" like they are in Chamilo,
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* and they can use the navigation context provided by the header.
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* --- design ---
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* a file gets a parameter (an html file) and shows
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* - chamilo header
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* - html file from parameter
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* - (removed) chamilo footer
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*
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* @version 0.6
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*
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* @author Roan Embrechts (roan.embrechts@vub.ac.be)
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*
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* @package chamilo.document
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*/
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require_once __DIR__.'/../inc/global.inc.php';
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api_protect_course_script();
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$header_file = isset($_GET['file']) ? Security::remove_XSS($_GET['file']) : null;
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$document_id = (int) $_GET['id'];
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$originIsLearnpath = isset($_GET['origin']) && $_GET['origin'] === 'learnpathitem';
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$courseInfo = api_get_course_info();
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$course_code = api_get_course_id();
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$session_id = api_get_session_id();
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if (empty($courseInfo)) {
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api_not_allowed(true);
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}
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$show_web_odf = false;
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// Generate path
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if (!$document_id) {
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$document_id = DocumentManager::get_document_id($courseInfo, $header_file);
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}
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$document_data = DocumentManager::get_document_data_by_id(
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$document_id,
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$course_code,
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true,
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$session_id
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);
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if ($session_id != 0 && !$document_data) {
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$document_data = DocumentManager::get_document_data_by_id(
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$document_id,
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$course_code,
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true,
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0
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);
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}
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if (empty($document_data)) {
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api_not_allowed(true);
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}
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$header_file = $document_data['path'];
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$name_to_show = $document_data['title'];
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$path_array = explode('/', str_replace('\\', '/', $header_file));
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$path_array = array_map('urldecode', $path_array);
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$header_file = implode('/', $path_array);
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$file = Security::remove_XSS(urldecode($document_data['path']));
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$file_root = $courseInfo['path'].'/document'.str_replace('%2F', '/', $file);
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$file_url_sys = api_get_path(SYS_COURSE_PATH).$file_root;
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$file_url_web = api_get_path(WEB_COURSE_PATH).$file_root;
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if (!file_exists($file_url_sys)) {
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api_not_allowed(true);
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}
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if (is_dir($file_url_sys)) {
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api_not_allowed(true);
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}
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$is_allowed_to_edit = api_is_allowed_to_edit();
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//fix the screen when you try to access a protected course through the url
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$is_allowed_in_course = api_is_allowed_in_course() || $is_allowed_to_edit;
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if ($is_allowed_in_course == false) {
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api_not_allowed(true);
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}
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// Check user visibility.
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$is_visible = DocumentManager::check_visibility_tree(
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$document_id,
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api_get_course_id(),
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api_get_session_id(),
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api_get_user_id(),
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api_get_group_id()
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);
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if (!$is_allowed_to_edit && !$is_visible) {
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api_not_allowed(true);
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}
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$pathinfo = pathinfo($header_file);
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$playerSupportedFiles = ['mp4', 'ogv', 'flv', 'm4v', 'webm'];
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$playerSupported = false;
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if (in_array(strtolower($pathinfo['extension']), $playerSupportedFiles)) {
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$playerSupported = true;
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}
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$group_id = api_get_group_id();
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$current_group = GroupManager::get_group_properties($group_id);
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$current_group_name = $current_group['name'];
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if (isset($group_id) && $group_id != '') {
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$interbreadcrumb[] = [
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'url' => api_get_path(WEB_CODE_PATH).'group/group.php?'.api_get_cidreq(),
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'name' => get_lang('Groups'),
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];
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$interbreadcrumb[] = [
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'url' => api_get_path(WEB_CODE_PATH).'group/group_space.php?'.api_get_cidreq(),
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'name' => get_lang('GroupSpace').' '.$current_group_name,
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];
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$name_to_show = explode('/', $name_to_show);
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unset($name_to_show[1]);
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$name_to_show = implode('/', $name_to_show);
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}
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$interbreadcrumb[] = [
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'url' => './document.php?curdirpath='.dirname($header_file).'&'.api_get_cidreq(),
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'name' => get_lang('Documents'),
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];
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if (empty($document_data['parents'])) {
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if (isset($_GET['createdir'])) {
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$interbreadcrumb[] = [
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'url' => $document_data['document_url'],
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'name' => $document_data['title'],
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];
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} else {
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$interbreadcrumb[] = [
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'url' => '#',
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'name' => $document_data['title'],
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];
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}
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} else {
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foreach ($document_data['parents'] as $document_sub_data) {
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if (!isset($_GET['createdir']) && $document_sub_data['id'] == $document_data['id']) {
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$document_sub_data['document_url'] = '#';
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}
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$interbreadcrumb[] = [
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'url' => $document_sub_data['document_url'],
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'name' => $document_sub_data['title'],
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];
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}
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}
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$this_section = SECTION_COURSES;
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$nameTools = get_lang('Documents');
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/**
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* Main code section.
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*/
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header('Expires: Wed, 01 Jan 1990 00:00:00 GMT');
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//header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
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header('Last-Modified: Wed, 01 Jan 2100 00:00:00 GMT');
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header('Cache-Control: no-cache, must-revalidate');
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header('Pragma: no-cache');
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$browser_display_title = 'Documents - '.Security::remove_XSS($_GET['cidReq']).' - '.$file;
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// Only admins get to see the "no frames" link in pageheader.php, so students get a header that's not so high
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$frameheight = 135;
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if (api_is_course_admin()) {
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$frameheight = 165;
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}
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$js_glossary_in_documents = '
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setFrameReady("mainFrame");
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';
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$web_odf_supported_files = DocumentManager::get_web_odf_extension_list();
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// PDF should be displayed with viewerJS
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$web_odf_supported_files[] = 'pdf';
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if (in_array(strtolower($pathinfo['extension']), $web_odf_supported_files)) {
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$show_web_odf = true;
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$htmlHeadXtra[] = '
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<script>
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resizeIframe = function() {
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var bodyHeight = $("body").height();
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var topbarHeight = $("#topbar").height();
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$("#viewerJSContent").height((bodyHeight - topbarHeight));
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}
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$(document).ready(function() {
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$(window).resize(resizeIframe());
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});
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</script>'
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;
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}
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// Activate code highlight.
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$isChatFolder = false;
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if (isset($document_data['parents']) && isset($document_data['parents'][0])) {
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$chatFolder = $document_data['parents'][0];
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if (isset($chatFolder['path']) && $chatFolder['path'] == '/chat_files') {
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$isChatFolder = true;
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}
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}
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if ($isChatFolder) {
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$htmlHeadXtra[] = api_get_js('highlight/highlight.pack.js');
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$htmlHeadXtra[] = api_get_css(api_get_path(WEB_CSS_PATH).'chat.css');
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$htmlHeadXtra[] = api_get_css(
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api_get_path(WEB_LIBRARY_PATH).'javascript/highlight/styles/github.css'
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);
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$htmlHeadXtra[] = '
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<script>
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hljs.initHighlightingOnLoad();
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</script>';
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}
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$execute_iframe = true;
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if ($playerSupported) {
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$extension = api_strtolower($pathinfo['extension']);
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$execute_iframe = false;
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}
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if ($show_web_odf) {
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$execute_iframe = false;
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}
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if (!$playerSupported && $execute_iframe) {
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$htmlHeadXtra[] = '<script>
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<!--
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var jQueryFrameReadyConfigPath = \''.api_get_jquery_web_path().'\';
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-->
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</script>';
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$htmlHeadXtra[] = '<script type="text/javascript" src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.frameready.js"></script>';
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$htmlHeadXtra[] = '<script>
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var updateContentHeight = function() {
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my_iframe = document.getElementById("mainFrame");
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if (my_iframe) {
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//this doesnt seem to work in IE 7,8,9
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new_height = my_iframe.contentWindow.document.body.scrollHeight;
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my_iframe.height = my_iframe.contentWindow.document.body.scrollHeight + "px";
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}
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};
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// Fixes the content height of the frame
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window.onload = function() {
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updateContentHeight();
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'.$js_glossary_in_documents.'
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}
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</script>';
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}
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if ($originIsLearnpath) {
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Display::display_reduced_header();
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} else {
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Display::display_header('');
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}
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echo '<div class="text-center">';
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$file_url = api_get_path(WEB_COURSE_PATH).$courseInfo['path'].'/document'.$header_file;
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$file_url_web = $file_url.'?'.api_get_cidreq();
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if ($show_web_odf) {
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$browser = api_get_navigator();
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$pdfUrl = api_get_path(WEB_LIBRARY_PATH).'javascript/ViewerJS/index.html#'.$file_url;
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if ($browser['name'] == 'Mozilla' && preg_match('|.*\.pdf|i', $header_file)) {
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$pdfUrl = $file_url;
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}
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echo '<div id="viewerJS">';
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echo '<iframe id="viewerJSContent" frameborder="0" allowfullscreen="allowfullscreen" webkitallowfullscreen style="width:100%;"
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src="'.$pdfUrl.'">
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</iframe>';
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echo '</div>';
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}
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echo '</div>';
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if ($playerSupported) {
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echo DocumentManager::generateVideoPreview($file_url_web, $extension);
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}
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if ($execute_iframe) {
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if ($isChatFolder) {
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$content = Security::remove_XSS(file_get_contents($file_url_sys));
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echo $content;
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} else {
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echo '<iframe id="mainFrame" name="mainFrame" border="0" frameborder="0" scrolling="no" style="width:100%;" height="600" src="'.$file_url_web.'&rand='.mt_rand(1, 10000).'" height="500" allowfullscreen="true" webkitallowfullscreen="true" mozallowfullscreen="true"></iframe>';
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}
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}
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Display::display_footer();
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