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

279 lines
11 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* Responses to AJAX calls for the document upload.
*/
require_once __DIR__.'/../global.inc.php';
$action = $_REQUEST['a'];
switch ($action) {
case 'get_dir_size':
api_protect_course_script(true);
$path = isset($_GET['path']) ? $_GET['path'] : '';
$isAllowedToEdit = api_is_allowed_to_edit();
$size = DocumentManager::getTotalFolderSize($path, $isAllowedToEdit);
echo format_file_size($size);
break;
case 'get_dirs_size':
api_protect_course_script(true);
$requests = isset($_GET['requests']) ? $_GET['requests'] : '';
$isAllowedToEdit = api_is_allowed_to_edit();
$response = [];
$requests = explode(',', $requests);
foreach ($requests as $request) {
$fileSize = DocumentManager::getTotalFolderSize($request, $isAllowedToEdit);
$data = [
'id' => $request,
'size' => format_file_size($fileSize),
];
array_push($response, $data);
}
echo json_encode($response);
break;
case 'get_document_quota':
// Getting the course quota
$courseQuota = DocumentManager::get_course_quota();
// Calculating the total space
$total = DocumentManager::documents_total_space(api_get_course_int_id());
// Displaying the quota
echo DocumentManager::displaySimpleQuota($courseQuota, $total);
break;
case 'upload_file':
api_protect_course_script(true);
if (isset($_REQUEST['chunkAction']) && 'send' === $_REQUEST['chunkAction']) {
// It uploads the files in chunks
if (!empty($_FILES)) {
$tempDirectory = api_get_path(SYS_ARCHIVE_PATH);
$files = $_FILES['files'];
$fileList = [];
foreach ($files as $name => $array) {
$counter = 0;
foreach ($array as $data) {
$fileList[$counter][$name] = $data;
$counter++;
}
}
if (!empty($fileList)) {
foreach ($fileList as $n => $file) {
$tmpFile = $tempDirectory.$file['name'];
file_put_contents(
$tmpFile,
fopen($file['tmp_name'], 'r'),
FILE_APPEND
);
}
}
}
echo json_encode([
'files' => $_FILES,
'errorStatus' => 0,
]);
exit;
} else {
// User access same as upload.php
$is_allowed_to_edit = api_is_allowed_to_edit(null, true);
$sessionId = api_get_session_id();
if (!$is_allowed_to_edit && $sessionId && $_REQUEST['curdirpath'] == "/basic-course-documents__{$sessionId}__0") {
$session = SessionManager::fetch($sessionId);
if (!empty($session) && $session['session_admin_id'] == api_get_user_id()) {
$is_allowed_to_edit = true;
}
}
// This needs cleaning!
if (api_get_group_id()) {
$groupInfo = GroupManager::get_group_properties(api_get_group_id());
// Only course admin or group members allowed
if ($is_allowed_to_edit || GroupManager::is_user_in_group(api_get_user_id(), $groupInfo)) {
if (!GroupManager::allowUploadEditDocument(api_get_user_id(), api_get_course_int_id(), $groupInfo)) {
exit;
}
} else {
exit;
}
} elseif ($is_allowed_to_edit ||
DocumentManager::is_my_shared_folder(api_get_user_id(), $_REQUEST['curdirpath'], api_get_session_id())
) {
// ??
} else {
// No course admin and no group member...
exit;
}
$directoryParentId = isset($_POST['directory_parent_id']) ? (int) $_POST['directory_parent_id'] : 0;
$currentDirectory = '';
if (empty($directoryParentId)) {
$currentDirectory = isset($_REQUEST['curdirpath']) ? $_REQUEST['curdirpath'] : '';
} else {
$documentData = DocumentManager::get_document_data_by_id($directoryParentId, api_get_course_id());
if ($documentData) {
$currentDirectory = $documentData['path'];
}
}
if (empty($currentDirectory)) {
$currentDirectory = DIRECTORY_SEPARATOR;
}
$ifExists = isset($_POST['if_exists']) ? $_POST['if_exists'] : '';
$unzip = isset($_POST['unzip']) ? 1 : 0;
if (empty($ifExists)) {
$fileExistsOption = api_get_setting('document_if_file_exists_option');
$defaultFileExistsOption = 'rename';
if (!empty($fileExistsOption)) {
$defaultFileExistsOption = $fileExistsOption;
}
} else {
$defaultFileExistsOption = $ifExists;
}
if (!empty($_FILES)) {
$files = $_FILES['files'];
$fileList = [];
foreach ($files as $name => $array) {
$counter = 0;
foreach ($array as $data) {
$fileList[$counter][$name] = $data;
$counter++;
}
}
$resultList = [];
foreach ($fileList as $file) {
if (isset($_REQUEST['chunkAction']) && 'done' === $_REQUEST['chunkAction']) {
// to rename and move the finished file
$chunkedFile = api_get_path(SYS_ARCHIVE_PATH).$file['name'];
$file['tmp_name'] = $chunkedFile;
$file['size'] = filesize($chunkedFile);
$file['copy_file'] = true;
}
$globalFile = [];
$globalFile['files'] = $file;
$result = DocumentManager::upload_document(
$globalFile,
$currentDirectory,
'',
'', // comment
$unzip,
$defaultFileExistsOption,
false,
false,
'files'
);
$json = [];
if (!empty($result) && is_array($result)) {
$json['name'] = api_htmlentities($result['title']);
$json['link'] = Display::url(
api_htmlentities($result['title']),
api_htmlentities($result['url']),
['target' => '_blank']
);
$json['url'] = $result['url'];
$json['size'] = format_file_size($file['size']);
$json['type'] = api_htmlentities($file['type']);
$json['result'] = Display::return_icon(
'accept.png',
get_lang('Uploaded')
);
} else {
$json['name'] = isset($file['name']) ? $file['name'] : get_lang('Unknown');
$json['url'] = '';
$json['error'] = get_lang('Error');
}
$resultList[] = $json;
}
echo json_encode(['files' => $resultList]);
exit;
}
}
break;
case 'ck_uploadimage':
api_protect_course_script(true);
// it comes from uploaimage drag and drop ckeditor
$isCkUploadImage = ($_COOKIE['ckCsrfToken'] == $_POST['ckCsrfToken']);
if (!$isCkUploadImage) {
exit;
}
$data = [];
$fileUpload = $_FILES['upload'];
$currentDirectory = Security::remove_XSS($_REQUEST['curdirpath']);
$isAllowedToEdit = api_is_allowed_to_edit(null, true);
if ($isAllowedToEdit) {
$globalFile = ['files' => $fileUpload];
$result = DocumentManager::upload_document(
$globalFile,
$currentDirectory,
'',
'',
0,
'rename',
false,
false,
'files'
);
if ($result) {
$relativeUrl = str_replace(api_get_path(WEB_PATH), '/', $result['direct_url']);
$data = [
'uploaded' => 1,
'fileName' => $fileUpload['name'],
'url' => $relativeUrl,
];
}
} else {
$userId = api_get_user_id();
$syspath = UserManager::getUserPathById($userId, 'system').'my_files'.$currentDirectory;
if (!is_dir($syspath)) {
mkdir($syspath, api_get_permissions_for_new_directories(), true);
}
$webpath = UserManager::getUserPathById($userId, 'web').'my_files'.$currentDirectory;
$fileUploadName = $fileUpload['name'];
if (file_exists($syspath.$fileUploadName)) {
$extension = pathinfo($fileUploadName, PATHINFO_EXTENSION);
$fileName = pathinfo($fileUploadName, PATHINFO_FILENAME);
$suffix = '_'.uniqid();
$fileUploadName = $fileName.$suffix.'.'.$extension;
}
if (move_uploaded_file($fileUpload['tmp_name'], $syspath.$fileUploadName)) {
$url = $webpath.$fileUploadName;
$relativeUrl = str_replace(api_get_path(WEB_PATH), '/', $url);
$data = [
'uploaded' => 1,
'fileName' => $fileUploadName,
'url' => $relativeUrl,
];
}
}
echo json_encode($data);
exit;
case 'document_preview':
$courseInfo = api_get_course_info_by_id($_REQUEST['course_id']);
if (!empty($courseInfo) && is_array($courseInfo)) {
echo DocumentManager::get_document_preview(
$courseInfo,
false,
'_blank',
$_REQUEST['session_id']
);
}
break;
case 'document_destination':
//obtained the bootstrap-select selected value via ajax
$dirValue = isset($_POST['dirValue']) ? $_POST['dirValue'] : null;
echo Security::remove_XSS($dirValue);
break;
}
exit;