Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/newscorm/lp_upload.php

260 lines
12 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* Script managing the learnpath upload. To best treat the uploaded file, make sure we can identify it.
* @package chamilo.learnpath
* @author Yannick Warnier <ywarnier@beeznest.org>
*/
// Flag to allow for anonymous user - needs to be set before global.inc.php.
$use_anonymous = true;
require_once '../inc/global.inc.php';
$course_dir = api_get_course_path().'/scorm';
$course_sys_dir = api_get_path(SYS_COURSE_PATH).$course_dir;
if (empty($_POST['current_dir'])) {
$current_dir = '';
} else {
$current_dir = api_replace_dangerous_char(trim($_POST['current_dir']));
}
$uncompress = 1;
/*
* Check the request method in place of a variable from POST
* because if the file size exceed the maximum file upload
* size set in php.ini, all variables from POST are cleared !
*/
$user_file = isset($_GET['user_file']) ? $_GET['user_file'] : array();
$user_file = $user_file ? $user_file : array();
$is_error = isset($user_file['error']) ? $user_file['error'] : false;
if (isset($_POST) && $is_error) {
return api_failure::set_failure('upload_file_too_big');
unset($_FILES['user_file']);
} else if ($_SERVER['REQUEST_METHOD'] == 'POST' && count($_FILES) > 0 && !empty($_FILES['user_file']['name'])) {
// A file upload has been detected, now deal with the file...
// Directory creation.
$stopping_error = false;
$s = $_FILES['user_file']['name'];
// Get name of the zip file without the extension.
$info = pathinfo($s);
$filename = $info['basename'];
$extension = $info['extension'];
$file_base_name = str_replace('.'.$extension, '', $filename);
$new_dir = api_replace_dangerous_char(trim($file_base_name));
$type = learnpath::get_package_type($_FILES['user_file']['tmp_name'], $_FILES['user_file']['name']);
$proximity = 'local';
if (!empty($_REQUEST['content_proximity'])) {
$proximity = Database::escape_string($_REQUEST['content_proximity']);
}
$maker = 'Scorm';
if (!empty($_REQUEST['content_maker'])) {
$maker = Database::escape_string($_REQUEST['content_maker']);
}
switch ($type) {
case 'scorm':
require_once 'scorm.class.php';
$oScorm = new scorm();
$manifest = $oScorm->import_package($_FILES['user_file'], $current_dir);
if (!$manifest) {
//if api_set_failure
return api_failure::set_failure(api_failure::get_last_failure());
}
if (!empty($manifest)) {
$oScorm->parse_manifest($manifest);
$fixTemplate = api_get_configuration_value('learnpath_fix_xerte_template');
$proxyPath = api_get_configuration_value('learnpath_proxy_url');
if ($fixTemplate && !empty($proxyPath)) {
// Check organisations:
if (isset($oScorm->manifest['organizations'])) {
foreach ($oScorm->manifest['organizations'] as $data) {
if (strpos(strtolower($data), 'xerte') !== false) {
// Check if template.xml exists:
$templatePath = str_replace('imsmanifest.xml', 'template.xml', $manifest);
if (file_exists($templatePath) && is_file($templatePath)) {
$templateContent = file_get_contents($templatePath);
$find = array(
'href="www.',
'href="https://',
'href="http://',
'url="www.',
'pdfs/download.php?'
);
$replace = array(
'href="http://www.',
'target = "_blank" href="'.$proxyPath.'?type=link&src=https://',
'target = "_blank" href="'.$proxyPath.'?type=link&src=http://',
'url="http://www.',
'pdfs/download.php&'
);
$templateContent = str_replace($find, $replace, $templateContent);
file_put_contents($templatePath, $templateContent);
}
// Fix link generation:
$linkPath = str_replace('imsmanifest.xml', 'models_html5/links.html', $manifest);
if (file_exists($linkPath) && is_file($linkPath)) {
$linkContent = file_get_contents($linkPath);
$find = array(
':this.getAttribute("url")'
);
$replace = array(
':"'.$proxyPath.'?type=link&src=" + this.getAttribute("url")'
);
$linkContent = str_replace($find, $replace, $linkContent);
file_put_contents($linkPath, $linkContent);
}
// Fix iframe generation
$framePath = str_replace('imsmanifest.xml', 'models_html5/embedDiv.html', $manifest);
if (file_exists($framePath) && is_file($framePath)) {
$content = file_get_contents($framePath);
$find = array(
'$iFrameHolder.html(iFrameTag);'
);
$replace = array(
'iFrameTag = \'<a target ="_blank" href="'.$proxyPath.'?type=link&src=\'+ pageSrc + \'">Open website. <img src="'.api_get_path(WEB_CODE_PATH).'img/link-external.png"></a>\'; $iFrameHolder.html(iFrameTag); '
);
$content = str_replace($find, $replace, $content);
file_put_contents($framePath, $content);
}
// Fix new window generation
$newWindowPath = str_replace('imsmanifest.xml', 'models_html5/newWindow.html', $manifest);
if (file_exists($newWindowPath) && is_file($newWindowPath)) {
$content = file_get_contents($newWindowPath);
$find = array(
'var src = x_currentPageXML'
);
$replace = array(
'var src = "'.$proxyPath.'?type=link&src=" + x_currentPageXML'
);
$content = str_replace($find, $replace, $content);
file_put_contents($newWindowPath, $content);
}
}
}
}
}
$oScorm->import_manifest(api_get_course_id(), $_REQUEST['use_max_score']);
} else {
// Show error message stored in $oScrom->error_msg.
}
$oScorm->set_proximity($proximity);
$oScorm->set_maker($maker);
$oScorm->set_jslib('scorm_api.php');
break;
case 'aicc':
require_once 'aicc.class.php';
$oAICC = new aicc();
$config_dir = $oAICC->import_package($_FILES['user_file']);
if (!empty($config_dir)) {
$oAICC->parse_config_files($config_dir);
$oAICC->import_aicc(api_get_course_id());
}
$oAICC->set_proximity($proximity);
$oAICC->set_maker($maker);
$oAICC->set_jslib('aicc_api.php');
break;
case 'oogie':
require_once 'openoffice_presentation.class.php';
$take_slide_name = empty($_POST['take_slide_name']) ? false : true;
$o_ppt = new OpenofficePresentation($take_slide_name);
$first_item_id = $o_ppt->convert_document($_FILES['user_file']);
break;
case 'woogie':
require_once 'openoffice_text.class.php';
$split_steps = (empty($_POST['split_steps']) || $_POST['split_steps'] == 'per_page') ? 'per_page' : 'per_chapter';
$o_doc = new OpenofficeText($split_steps);
$first_item_id = $o_doc->convert_document($_FILES['user_file']);
break;
case '':
default:
return api_failure::set_failure('not_a_learning_path');
}
} elseif ($_SERVER['REQUEST_METHOD'] == 'POST') {
// end if is_uploaded_file
// If file name given to get in /upload/, try importing this way.
// A file upload has been detected, now deal with the file...
// Directory creation.
$stopping_error = false;
if (!isset($_POST['file_name'])) {
return false;
}
// Escape path with basename so it can only be directly into the archive/ directory.
$s = api_get_path(SYS_ARCHIVE_PATH).basename($_POST['file_name']);
// Get name of the zip file without the extension
$info = pathinfo($s);
$filename = $info['basename'];
$extension = $info['extension'];
$file_base_name = str_replace('.'.$extension, '', $filename);
$new_dir = api_replace_dangerous_char(trim($file_base_name));
$result = learnpath::verify_document_size($s);
if ($result == true) {
return api_failure::set_failure('upload_file_too_big');
}
$type = learnpath::get_package_type($s, basename($s));
switch ($type) {
case 'scorm':
require_once 'scorm.class.php';
$oScorm = new scorm();
$manifest = $oScorm->import_local_package($s, $current_dir);
if ($manifest === false) { //if ap i_set_failure
return api_failure::set_failure(api_failure::get_last_failure());
}
if (!empty($manifest)) {
$oScorm->parse_manifest($manifest);
$oScorm->import_manifest(api_get_course_id(), $_REQUEST['use_max_score']);
}
$proximity = '';
if (!empty($_REQUEST['content_proximity'])) {
$proximity = Database::escape_string($_REQUEST['content_proximity']);
}
$maker = '';
if (!empty($_REQUEST['content_maker'])) {
$maker = Database::escape_string($_REQUEST['content_maker']);
}
$oScorm->set_proximity($proximity);
$oScorm->set_maker($maker);
$oScorm->set_jslib('scorm_api.php');
break;
case 'aicc':
require_once 'aicc.class.php';
$oAICC = new aicc();
$config_dir = $oAICC->import_local_package($s, $current_dir);
if (!empty($config_dir)) {
$oAICC->parse_config_files($config_dir);
$oAICC->import_aicc(api_get_course_id());
}
$proximity = '';
if (!empty($_REQUEST['content_proximity'])) {
$proximity = Database::escape_string($_REQUEST['content_proximity']);
}
$maker = '';
if (!empty($_REQUEST['content_maker'])) {
$maker = Database::escape_string($_REQUEST['content_maker']);
}
$oAICC->set_proximity($proximity);
$oAICC->set_maker($maker);
$oAICC->set_jslib('aicc_api.php');
break;
case '':
default:
return api_failure::set_failure('not_a_learning_path');
}
}