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555 lines
22 KiB
555 lines
22 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* Main script for the documents tool
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*
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* This script allows the user to manage files and directories on a remote http server.
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*
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* The user can : - navigate through files and directories.
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* - upload a file
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* - delete, copy a file or a directory
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* - edit properties & content (name, comments, html content)
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*
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* The script is organised in four sections.
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*
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* 1) Execute the command called by the user
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* Note: somme commands of this section are organised in two steps.
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* The script always begins with the second step,
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* so it allows to return more easily to the first step.
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*
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* Note (March 2004) some editing functions (renaming, commenting)
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* are moved to a separate page, edit_document.php. This is also
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* where xml and other stuff should be added.
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*
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* 2) Define the directory to display
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*
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* 3) Read files and directories from the directory defined in part 2
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* 4) Display all of that on an HTML page
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*
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* @todo eliminate code duplication between
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* document/document.php, scormdocument.php
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*
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* @package chamilo.document
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*/
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// Name of the language file that needs to be included
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$language_file = 'document';
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// Including the global initialization file
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require_once '../inc/global.inc.php';
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// Including additional libraries
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require_once api_get_path(LIBRARY_PATH).'fileUpload.lib.php';
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require_once api_get_path(LIBRARY_PATH).'document.lib.php';
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require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
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require_once api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php';
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require_once 'document.inc.php';
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// Adding extra javascript to the form
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$htmlHeadXtra[] = '<script src="../inc/lib/javascript/jquery.js" type="text/javascript" language="javascript"></script>';
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$htmlHeadXtra[] = '<script type="text/javascript">
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function check_unzip() {
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if(document.upload.unzip.checked==true){
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document.upload.if_exists[0].disabled=true;
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document.upload.if_exists[1].checked=true;
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document.upload.if_exists[2].disabled=true;
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} else {
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document.upload.if_exists[0].checked=true;
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document.upload.if_exists[0].disabled=false;
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document.upload.if_exists[2].disabled=false;
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}
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}
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function advanced_parameters() {
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if(document.getElementById(\'options\').style.display == \'none\') {
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document.getElementById(\'options\').style.display = \'block\';
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document.getElementById(\'img_plus_and_minus\').innerHTML=\' <img style="vertical-align:middle;" src="../img/div_hide.gif" alt="" /> '.get_lang('AdvancedParameters').'\';
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} else {
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document.getElementById(\'options\').style.display = \'none\';
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document.getElementById(\'img_plus_and_minus\').innerHTML=\' <img style="vertical-align:middle;" src="../img/div_show.gif" alt="" /> '.get_lang('AdvancedParameters').'\';
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}
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}
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function setFocus(){
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$("#title_file").focus();
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}
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$(document).ready(function () {
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setFocus();
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});
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</script>';
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/**
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* Obtains the text inside the file with the right parser
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*/
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function get_text_content($doc_path, $doc_mime) {
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// TODO: review w$ compatibility
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// Use usual exec output lines array to store stdout instead of a temp file
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// because we need to store it at RAM anyway before index on DokeosIndexer object
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$ret_val = null;
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switch ($doc_mime) {
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case 'text/plain':
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$handle = fopen($doc_path, 'r');
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$output = array(fread($handle, filesize($doc_path)));
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fclose($handle);
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break;
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case 'application/pdf':
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exec("pdftotext $doc_path -", $output, $ret_val);
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break;
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case 'application/postscript':
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$temp_file = tempnam(sys_get_temp_dir(), 'chamilo');
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exec("ps2pdf $doc_path $temp_file", $output, $ret_val);
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if ($ret_val !== 0) { // shell fail, probably 127 (command not found)
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return false;
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}
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exec("pdftotext $temp_file -", $output, $ret_val);
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unlink($temp_file);
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//var_dump($output);
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break;
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case 'application/msword':
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exec("catdoc $doc_path", $output, $ret_val);
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//var_dump($output);
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break;
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case 'text/html':
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exec("html2text $doc_path", $output, $ret_val);
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break;
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case 'text/rtf':
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// Note: correct handling of code pages in unrtf
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// on debian lenny unrtf v0.19.2 can not, but unrtf v0.20.5 can
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exec("unrtf --text $doc_path", $output, $ret_val);
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if ($ret_val == 127) { // command not found
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return false;
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}
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// Avoid index unrtf comments
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if (is_array($output) && count($output) > 1) {
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$parsed_output = array();
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foreach ($output as & $line) {
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if (!preg_match('/^###/', $line, $matches)) {
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if (!empty($line)) {
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$parsed_output[] = $line;
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}
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}
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}
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$output = $parsed_output;
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}
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break;
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case 'application/vnd.ms-powerpoint':
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exec("catppt $doc_path", $output, $ret_val);
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break;
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case 'application/vnd.ms-excel':
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exec("xls2csv -c\" \" $doc_path", $output, $ret_val);
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break;
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}
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$content = '';
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if (!is_null($ret_val)) {
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if ($ret_val !== 0) { // shell fail, probably 127 (command not found)
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return false;
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}
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}
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if (isset($output)) {
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foreach ($output as & $line) {
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$content .= $line."\n";
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}
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return $content;
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}
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else {
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return false;
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}
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}
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// Variables
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$is_allowed_to_edit = api_is_allowed_to_edit(null, true);
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$courseDir = $_course['path'].'/document';
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$sys_course_path = api_get_path(SYS_COURSE_PATH);
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$base_work_dir = $sys_course_path.$courseDir;
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$noPHP_SELF = true;
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// What's the current path?
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if (isset($_GET['curdirpath']) && $_GET['curdirpath'] != '') {
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$path = $_GET['curdirpath'];
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} elseif (isset($_POST['curdirpath'])) {
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$path = $_POST['curdirpath'];
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} else {
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$path = '/';
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}
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// Check the path: if the path is not found (no document id), set the path to /
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if (!DocumentManager::get_document_id($_course, $path)) {
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$path = '/';
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}
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// This needs cleaning!
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if (isset($_SESSION['_gid']) && $_SESSION['_gid'] != '') { // If the group id is set, check if the user has the right to be here
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// Needed for group related stuff
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require_once api_get_path(LIBRARY_PATH).'groupmanager.lib.php';
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// Get group info
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$group_properties = GroupManager::get_group_properties($_SESSION['_gid']);
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$noPHP_SELF = true;
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if ($is_allowed_to_edit || GroupManager::is_user_in_group($_user['user_id'], $_SESSION['_gid'])) { // Only courseadmin or group members allowed
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$to_group_id = $_SESSION['_gid'];
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$req_gid = '&gidReq='.$_SESSION['_gid'];
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$interbreadcrumb[] = array('url' => '../group/group_space.php?gidReq='.$_SESSION['_gid'], 'name' => get_lang('GroupSpace'));
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} else {
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api_not_allowed(true);
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}
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} elseif ($is_allowed_to_edit || is_my_shared_folder($_user['user_id'], $path)) { // Admin for "regular" upload, no group documents. And check if is my shared folder
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$to_group_id = 0;
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$req_gid = '';
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} else { // No course admin and no group member...
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api_not_allowed(true);
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}
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// Group docs can only be uploaded in the group directory
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if ($to_group_id != 0 && $path == '/') {
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$path = $group_properties['directory'];
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}
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// I'm in the certification module?
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$is_certificate_mode = false;
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$is_certificate_array = explode('/', $path);
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array_shift($is_certificate_array);
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if ($is_certificate_array[0] == 'certificates') {
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$is_certificate_mode = true;
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}
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// If we want to unzip a file, we need the library
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if (isset($_POST['unzip']) && $_POST['unzip'] == 1) {
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require_once api_get_path(LIBRARY_PATH).'pclzip/pclzip.lib.php';
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}
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// Variables
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$max_filled_space = DocumentManager::get_course_quota();
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// Title of the tool
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if ($to_group_id != 0) { // Add group name after for group documents
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$add_group_to_title = ' ('.$group_properties['name'].')';
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}
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if (isset($_REQUEST['certificate'])) {
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$nameTools = get_lang('UploadCertificate').$add_group_to_title;
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} else {
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$nameTools = get_lang('UplUploadDocument').$add_group_to_title;
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}
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// Breadcrumbs
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if ($is_certificate_mode) {
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$interbreadcrumb[] = array('url' => '../gradebook/'.$_SESSION['gradebook_dest'], 'name' => get_lang('Gradebook'));
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} else {
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$interbreadcrumb[] = array('url' => './document.php?curdirpath='.urlencode($path).$req_gid, 'name'=> get_lang('Documents'));
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}
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$this_section = SECTION_COURSES;
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// Display the header
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Display::display_header($nameTools, 'Doc');
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/* Here we do all the work */
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// User has submitted a file
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if (isset($_FILES['user_upload'])) {
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//echo('<pre>');
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//print_r($_FILES['user_upload']);
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//echo('</pre>');
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$upload_ok = process_uploaded_file($_FILES['user_upload']);
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if ($upload_ok) {
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// File got on the server without problems, now process it
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$new_path = handle_uploaded_document($_course, $_FILES['user_upload'], $base_work_dir, $_POST['curdirpath'], $_user['user_id'], $to_group_id, $to_user_id, $max_filled_space, $_POST['unzip'], $_POST['if_exists']);
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$new_comment = isset($_POST['comment']) ? trim($_POST['comment']) : '';
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$new_title = isset($_POST['title']) ? trim($_POST['title']) : '';
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if ($new_path && ($new_comment || $new_title)) {
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if (($docid = DocumentManager::get_document_id($_course, $new_path))) {
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$table_document = Database::get_course_table(TABLE_DOCUMENT);
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$ct = '';
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if ($new_comment) $ct .= ", comment='$new_comment'";
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if ($new_title) $ct .= ", title='$new_title'";
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Database::query("UPDATE $table_document SET".substr($ct, 1)." WHERE id = '$docid'");
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}
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}
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// Showing message when sending zip files
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if ($new_path === true && $_POST['unzip'] == 1) {
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Display::display_confirmation_message(get_lang('UplUploadSucceeded').'<br />', false);
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}
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if ((api_get_setting('search_enabled') == 'true') && ($docid = DocumentManager::get_document_id($_course, $new_path))) {
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$table_document = Database::get_course_table(TABLE_DOCUMENT);
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$result = Database::query("SELECT * FROM $table_document WHERE id = '$docid' LIMIT 1");
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if (Database::num_rows($result) == 1) {
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$row = Database::fetch_array($result);
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$doc_path = api_get_path(SYS_COURSE_PATH).$courseDir.$row['path'];
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//TODO: mime_content_type is deprecated, fileinfo php extension is enabled by default as of PHP 5.3.0
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// now versions of PHP on Debian testing(5.2.6-5) and Ubuntu(5.2.6-2ubuntu) are lower, so wait for a while
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$doc_mime = mime_content_type($doc_path);
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//echo $doc_mime;
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//TODO: more mime types
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$allowed_mime_types = array('text/plain', 'application/pdf', 'application/postscript', 'application/msword', 'text/html', 'text/rtf', 'application/vnd.ms-powerpoint', 'application/vnd.ms-excel');
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// mime_content_type does not detect correctly some formats that are going to be supported for index, so an extensions array is used by the moment
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if (empty($doc_mime)) {
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$allowed_extensions = array('ppt', 'pps', 'xls');
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$extensions = preg_split("/[\/\\.]/", $doc_path) ;
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$doc_ext = strtolower($extensions[count($extensions) - 1]);
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if (in_array($doc_ext, $allowed_extensions)) {
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switch ($doc_ext) {
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case 'ppt':
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case 'pps':
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$doc_mime = 'application/vnd.ms-powerpoint';
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break;
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case 'xls':
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$doc_mime = 'application/vnd.ms-excel';
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break;
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}
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}
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}
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if (in_array($doc_mime, $allowed_mime_types) && isset($_POST['index_document']) && $_POST['index_document']) {
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$file_title = $row['title'];
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$file_content = get_text_content($doc_path, $doc_mime);
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$courseid = api_get_course_id();
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$lang = isset($_POST['language']) ? Database::escape_string($_POST['language']) : 'english';
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require_once api_get_path(LIBRARY_PATH).'search/DokeosIndexer.class.php';
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require_once api_get_path(LIBRARY_PATH).'search/IndexableChunk.class.php';
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$ic_slide = new IndexableChunk();
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$ic_slide->addValue('title', $file_title);
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$ic_slide->addCourseId($courseid);
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$ic_slide->addToolId(TOOL_DOCUMENT);
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$xapian_data = array(
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SE_COURSE_ID => $courseid,
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SE_TOOL_ID => TOOL_DOCUMENT,
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SE_DATA => array('doc_id' => (int)$docid),
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SE_USER => (int)api_get_user_id(),
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);
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$ic_slide->xapian_data = serialize($xapian_data);
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$di = new DokeosIndexer();
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$di->connectDb(null, null, $lang);
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$specific_fields = get_specific_field_list();
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// process different depending on what to do if file exists
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/**
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* FIXME: Find a way to really verify if the file had been
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* overwriten. Now all work is done at
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* handle_uploaded_document() and it's difficult to verify it
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*/
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if (!empty($_POST['if_exists']) && $_POST['if_exists'] == 'overwrite') {
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// overwrite the file on search engine
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// actually, it consists on delete terms from db, insert new ones, create a new search engine document, and remove the old one
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// Get search_did
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$tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
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$sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s LIMIT 1';
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$sql = sprintf($sql, $tbl_se_ref, $courseid, TOOL_DOCUMENT, $docid);
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$res = Database::query($sql);
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if (Database::num_rows($res) > 0) {
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$se_ref = Database::fetch_array($res);
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$di->remove_document((int)$se_ref['search_did']);
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$all_specific_terms = '';
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foreach ($specific_fields as $specific_field) {
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delete_all_specific_field_value($courseid, $specific_field['id'], TOOL_DOCUMENT, $docid);
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// Update search engine
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$sterms = trim($_REQUEST[$specific_field['code']]);
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$all_specific_terms .= ' '. $sterms;
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$sterms = explode(',', $sterms);
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foreach ($sterms as $sterm) {
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$sterm = trim($sterm);
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if (!empty($sterm)) {
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$ic_slide->addTerm($sterm, $specific_field['code']);
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add_specific_field_value($specific_field['id'], $courseid, TOOL_DOCUMENT, $docid, $value);
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}
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}
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}
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// Add terms also to content to make terms findable by probabilistic search
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$file_content = $all_specific_terms .' '. $file_content;
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$ic_slide->addValue('content', $file_content);
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$di->addChunk($ic_slide);
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// Index and return a new search engine document id
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$did = $di->index();
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if ($did) {
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// update the search_did on db
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$tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
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$sql = 'UPDATE %s SET search_did=%d WHERE id=%d LIMIT 1';
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$sql = sprintf($sql, $tbl_se_ref, (int)$did, (int)$se_ref['id']);
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Database::query($sql);
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}
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}
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} else {
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// Add all terms
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$all_specific_terms = '';
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foreach ($specific_fields as $specific_field) {
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if (isset($_REQUEST[$specific_field['code']])) {
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$sterms = trim($_REQUEST[$specific_field['code']]);
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$all_specific_terms .= ' '. $sterms;
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if (!empty($sterms)) {
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$sterms = explode(',', $sterms);
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foreach ($sterms as $sterm) {
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$ic_slide->addTerm(trim($sterm), $specific_field['code']);
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add_specific_field_value($specific_field['id'], $courseid, TOOL_DOCUMENT, $docid, $sterm);
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}
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}
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}
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}
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// Add terms also to content to make terms findable by probabilistic search
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$file_content = $all_specific_terms .' '. $file_content;
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$ic_slide->addValue('content', $file_content);
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$di->addChunk($ic_slide);
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// Index and return search engine document id
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$did = $di->index();
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if ($did) {
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// Save it to db
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$tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
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$sql = 'INSERT INTO %s (id, course_code, tool_id, ref_id_high_level, search_did)
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VALUES (NULL , \'%s\', \'%s\', %s, %s)';
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$sql = sprintf($sql, $tbl_se_ref, $courseid, TOOL_DOCUMENT, $docid, $did);
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Database::query($sql);
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}
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}
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}
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}
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}
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// Check for missing images in html files
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$missing_files = check_for_missing_files($base_work_dir.$new_path);
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if ($missing_files) {
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// Show a form to upload the missing files
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Display::display_normal_message(build_missing_files_form($missing_files, $_POST['curdirpath'], $_FILES['user_upload']['name']), false);
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}
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}
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}
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// Missing images are submitted
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if (isset($_POST['submit_image'])) {
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$number_of_uploaded_images = count($_FILES['img_file']['name']);
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//if images are uploaded
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if ($number_of_uploaded_images > 0) {
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// We could also create a function for this, I'm not sure...
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// Create a directory for the missing files
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$img_directory = str_replace('.', '_', $_POST['related_file'].'_files');
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$missing_files_dir = create_unexisting_directory($_course, $_user['user_id'], $to_group_id, $to_user_id, $base_work_dir, $img_directory);
|
|
// Put the uploaded files in the new directory and get the paths
|
|
$paths_to_replace_in_file = move_uploaded_file_collection_into_directory($_course, $_FILES['img_file'], $base_work_dir, $missing_files_dir, $_user['user_id'], $to_group_id, $to_user_id, $max_filled_space);
|
|
// Open the html file and replace the paths
|
|
replace_img_path_in_html_file($_POST['img_file_path'], $paths_to_replace_in_file, $base_work_dir.$_POST['related_file']);
|
|
// Update parent folders
|
|
item_property_update_on_folder($_course, $_POST['curdirpath'], $_user['user_id']);
|
|
}
|
|
}
|
|
|
|
// They want to create a directory
|
|
if (isset($_POST['create_dir']) && $_POST['dirname'] != '') {
|
|
$added_slash = ($path=='/') ? '' : '/';
|
|
$dir_name = $path.$added_slash.replace_dangerous_char($_POST['dirname']);
|
|
$created_dir = create_unexisting_directory($_course, $_user['user_id'], $to_group_id, $to_user_id, $base_work_dir, $dir_name, $_POST['dirname']);
|
|
if ($created_dir) {
|
|
Display::display_confirmation_message(get_lang('DirCr'), false);
|
|
$path = $created_dir;
|
|
} else {
|
|
display_error(get_lang('CannotCreateDir'));
|
|
}
|
|
}
|
|
|
|
// Tracking not needed here?
|
|
//event_access_tool(TOOL_DOCUMENT);
|
|
|
|
/* They want to create a new directory */
|
|
|
|
if (isset($_GET['createdir'])) {
|
|
// create the form that asks for the directory name
|
|
$new_folder_text = '<form action="'.api_get_self().'" method="POST">';
|
|
$new_folder_text .= '<input type="hidden" name="curdirpath" value="'.$path.'"/>';
|
|
$new_folder_text .= get_lang('NewDir') .' ';
|
|
$new_folder_text .= '<input type="text" name="dirname"/>';
|
|
$new_folder_text .= '<button type="submit" class="save" name="create_dir">'.get_lang('CreateFolder').'</button>';
|
|
$new_folder_text .= '</form>';
|
|
// Show the form
|
|
//Display::display_normal_message($new_folder_text, false);
|
|
|
|
echo create_dir_form();
|
|
}
|
|
|
|
// Actions
|
|
echo '<div class="actions">';
|
|
|
|
// Link back to the documents overview
|
|
if ($is_certificate_mode) {
|
|
echo '<a href="document.php?curdirpath='.$path.'&selectcat=' . Security::remove_XSS($_GET['selectcat']).'">'.Display::return_icon('back.png',get_lang('Back').' '.get_lang('To').' '.get_lang('CertificateOverview')).get_lang('Back').' '.get_lang('To').' '.get_lang('CertificateOverview').'</a>';
|
|
} else {
|
|
echo '<a href="document.php?curdirpath='.$path.'">'.Display::return_icon('back.png',get_lang('BackTo').' '.get_lang('DocumentsOverview')).get_lang('BackTo').' '.get_lang('DocumentsOverview').'</a>';
|
|
}
|
|
|
|
// Link to create a folder
|
|
if (!isset($_GET['createdir']) && !is_my_shared_folder($_user['user_id'], $path) && !$is_certificate_mode) {
|
|
echo '<a href="'.api_get_self().'?path='.$path.'&createdir=1">'.Display::return_icon('folder_new.gif', get_lang('CreateDir')).get_lang('CreateDir').'</a>';
|
|
}
|
|
echo '</div>';
|
|
|
|
// Form to select directory
|
|
$folders = DocumentManager::get_all_document_folders($_course, $to_group_id, $is_allowed_to_edit);
|
|
if (!$is_certificate_mode) {
|
|
echo(build_directory_selector($folders, $path, $group_properties['directory']));
|
|
}
|
|
|
|
$form = new FormValidator('upload', 'POST', api_get_self(), '', 'enctype="multipart/form-data"');
|
|
$form->addElement('hidden', 'curdirpath', $path);
|
|
$form->addElement('file', 'user_upload', get_lang('File'), 'id="user_upload" size="45"');
|
|
|
|
if (api_get_setting('use_document_title') == 'true') {
|
|
$form->addElement('text', 'title', get_lang('Title'), array('size' => '20', 'style' => 'width:300px', 'id' => 'title_file'));
|
|
$form->addElement('textarea', 'comment', get_lang('Comment'), 'wrap="virtual" style="width:300px;"');
|
|
}
|
|
// Advanced parameters
|
|
$form -> addElement('html', '<div class="row">
|
|
<div class="label"> </div>
|
|
<div class="formw">
|
|
<a href="javascript://" onclick=" return advanced_parameters()"><span id="img_plus_and_minus"><div style="vertical-align:top;" ><img style="vertical-align:middle;" src="../img/div_show.gif" alt="" /> '.get_lang('AdvancedParameters').'</div></span></a>
|
|
</div>
|
|
</div>');
|
|
$form -> addElement('html', '<div id="options" style="display:none">');
|
|
|
|
// Check box options
|
|
$form->addElement('checkbox', 'unzip', get_lang('Options'), get_lang('Uncompress'), 'onclick="javascript: check_unzip();" value="1"');
|
|
|
|
if (api_get_setting('search_enabled') == 'true') {
|
|
//TODO: include language file
|
|
$supported_formats = 'Supported formats for index: Text plain, PDF, Postscript, MS Word, HTML, RTF, MS Power Point';
|
|
$form -> addElement('checkbox', 'index_document', '', get_lang('SearchFeatureDoIndexDocument').'<div style="font-size: 80%" >'.$supported_formats.'</div>');
|
|
$form -> addElement('html', '<br /><div class="row">');
|
|
$form -> addElement('html', '<div class="label">'.get_lang('SearchFeatureDocumentLanguage').'</div>');
|
|
$form -> addElement('html', '<div class="formw">'.api_get_languages_combo().'</div>');
|
|
$form -> addElement('html', '</div><div class="sub-form">');
|
|
$specific_fields = get_specific_field_list();
|
|
foreach ($specific_fields as $specific_field) {
|
|
$form -> addElement('text', $specific_field['code'], $specific_field['name'].' : ');
|
|
}
|
|
$form -> addElement('html', '</div>');
|
|
}
|
|
|
|
$form->addElement('radio', 'if_exists', get_lang('UplWhatIfFileExists'), get_lang('UplDoNothing'), 'nothing');
|
|
$form->addElement('radio', 'if_exists', '', get_lang('UplOverwriteLong'), 'overwrite');
|
|
$form->addElement('radio', 'if_exists', '', get_lang('UplRenameLong'), 'rename');
|
|
|
|
// Close the java script and avoid the footer up
|
|
$form -> addElement('html', '</div>');
|
|
|
|
// Button send document
|
|
$form->addElement('style_submit_button', 'submitDocument', get_lang('SendDocument'), 'class="upload"');
|
|
$form->add_real_progress_bar('DocumentUpload', 'user_upload');
|
|
|
|
$defaults = array('index_document' => 'checked="checked"');
|
|
|
|
$form->setDefaults($defaults);
|
|
|
|
$form->display();
|
|
|
|
// Footer
|
|
Display::display_footer();
|
|
|