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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/>.
//
//
// NOTE TO ALL DEVELOPERS: this script must deal only with draft area of current user, it has to use only file_storage and no file_browser!!
//
/**
* This file is used to manage draft files in non-javascript browsers
*
* @since Moodle 2.0
* @package core
* @subpackage repository
* @copyright 2010 Dongsheng Cai <dongsheng@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once('../config.php');
require_once($CFG->libdir.'/filelib.php');
require_once('lib.php');
require_sesskey();
require_login();
// disable blocks in this page
$PAGE->set_pagelayout('embedded');
// general parameters
$action = optional_param('action', '', PARAM_ALPHA);
$itemid = optional_param('itemid', '', PARAM_INT);
// parameters for repository
$contextid = optional_param('ctx_id', SYSCONTEXTID, PARAM_INT); // context ID
$courseid = optional_param('course', SITEID, PARAM_INT); // course ID
$env = optional_param('env', 'filepicker', PARAM_ALPHA); // opened in file picker, file manager or html editor
$filename = optional_param('filename', '', PARAM_FILE);
$targetpath = optional_param('targetpath', '', PARAM_PATH);
$maxfiles = optional_param('maxfiles', -1, PARAM_INT); // maxfiles
$maxbytes = optional_param('maxbytes', 0, PARAM_INT); // maxbytes
$subdirs = optional_param('subdirs', 0, PARAM_INT); // maxbytes
$areamaxbytes = optional_param('areamaxbytes', FILE_AREA_MAX_BYTES_UNLIMITED, PARAM_INT); // Area maxbytes.
// draft area
$newdirname = optional_param('newdirname', '', PARAM_FILE);
$newfilename = optional_param('newfilename', '', PARAM_FILE);
// path in draft area
$draftpath = optional_param('draftpath', '/', PARAM_PATH);
// user context
$user_context = context_user::instance($USER->id);
$PAGE->set_context($user_context);
$fs = get_file_storage();
$params = array('ctx_id' => $contextid, 'itemid' => $itemid, 'env' => $env, 'course'=>$courseid, 'maxbytes'=>$maxbytes, 'areamaxbytes'=>$areamaxbytes, 'maxfiles'=>$maxfiles, 'subdirs'=>$subdirs, 'sesskey'=>sesskey());
$PAGE->set_url('/repository/draftfiles_manager.php', $params);
$filepicker_url = new moodle_url("/repository/filepicker.php", $params);
$params['action'] = 'browse';
$home_url = new moodle_url('/repository/draftfiles_manager.php', $params);
switch ($action) {
// delete draft files
case 'deletedraft':
if ($file = $fs->get_file($user_context->id, 'user', 'draft', $itemid, $draftpath, $filename)) {
if ($file->is_directory()) {
$pathname = $draftpath;
if ($file->get_parent_directory()) {
$draftpath = $file->get_parent_directory()->get_filepath();
} else {
$draftpath = '/';
}
// delete files in folder
$files = $fs->get_directory_files($user_context->id, 'user', 'draft', $itemid, $pathname, true);
foreach ($files as $storedfile) {
$storedfile->delete();
}
$file->delete();
} else {
$file->delete();
}
$home_url->param('draftpath', $draftpath);
$home_url->param('action', 'browse');
redirect($home_url);
}
break;
case 'renameform':
echo $OUTPUT->header();
echo '<div><a href="' . $home_url->out() . '">'.get_string('back', 'repository')."</a></div>";
$home_url->param('draftpath', $draftpath);
$home_url->param('action', 'rename');
echo ' <form method="post" action="'.$home_url->out().'">';
echo html_writer::label(get_string('enternewname', 'repository'), 'newfilename', array('class' => 'accesshide'));
echo ' <input id="newfilename" name="newfilename" type="text" value="'.s($filename).'" />';
echo ' <input name="filename" type="hidden" value="'.s($filename).'" />';
echo ' <input name="draftpath" type="hidden" value="'.s($draftpath).'" />';
echo ' <input type="submit" value="'.s(get_string('rename', 'moodle')).'" />';
echo ' </form>';
echo $OUTPUT->footer();
break;
case 'rename':
repository::update_draftfile($itemid, $draftpath, $filename, array('filename' => $newfilename));
$home_url->param('action', 'browse');
$home_url->param('draftpath', $draftpath);
redirect($home_url);
break;
case 'downloaddir':
$zipper = new zip_packer();
$file = $fs->get_file($user_context->id, 'user', 'draft', $itemid, $draftpath, '.');
if ($draftpath === '/') {
$filename = get_string('files').'.zip';
} else {
$filename = explode('/', trim($draftpath, '/'));
$filename = array_pop($filename) . '.zip';
}
$newdraftitemid = file_get_unused_draft_itemid();
if ($newfile = $zipper->archive_to_storage(array('/' => $file), $user_context->id, 'user', 'draft', $newdraftitemid, '/', $filename, $USER->id)) {
$fileurl = moodle_url::make_draftfile_url($newdraftitemid, '/', $filename)->out();
header('Location: ' . $fileurl);
} else {
print_error('cannotdownloaddir', 'repository');
}
break;
case 'zip':
$zipper = new zip_packer();
$file = $fs->get_file($user_context->id, 'user', 'draft', $itemid, $draftpath, '.');
if (!$file->get_parent_directory()) {
$parent_path = '/';
$filepath = '/';
$filename = get_string('files').'.zip';
} else {
$parent_path = $file->get_parent_directory()->get_filepath();
$filepath = explode('/', trim($file->get_filepath(), '/'));
$filepath = array_pop($filepath);
$filename = $filepath.'.zip';
}
$filename = repository::get_unused_filename($itemid, $parent_path, $filename);
$newfile = $zipper->archive_to_storage(array($filepath => $file), $user_context->id, 'user', 'draft', $itemid, $parent_path, $filename, $USER->id);
$home_url->param('action', 'browse');
$home_url->param('draftpath', $parent_path);
redirect($home_url, get_string('ziped', 'repository'));
break;
case 'unzip':
$zipper = new zip_packer();
$file = $fs->get_file($user_context->id, 'user', 'draft', $itemid, $draftpath, $filename);
if ($newfile = $file->extract_to_storage($zipper, $user_context->id, 'user', 'draft', $itemid, $draftpath, $USER->id)) {
$str = get_string('unzipped', 'repository');
} else {
$str = get_string('cannotunzip', 'error');
}
$home_url->param('action', 'browse');
$home_url->param('draftpath', $draftpath);
redirect($home_url, $str);
break;
case 'movefile':
if (!empty($targetpath)) {
repository::update_draftfile($itemid, $draftpath, $filename, array('filepath' => $targetpath));
$home_url->param('action', 'browse');
$home_url->param('draftpath', $targetpath);
redirect($home_url);
}
echo $OUTPUT->header();
echo $OUTPUT->container_start();
echo html_writer::link($home_url, get_string('back', 'repository'));
echo $OUTPUT->container_end();
$data = new stdClass();
$home_url->param('action', 'movefile');
$home_url->param('draftpath', $draftpath);
$home_url->param('filename', $filename);
file_get_drafarea_folders($itemid, '/', $data);
print_draft_area_tree($data, true, $home_url);
echo $OUTPUT->footer();
break;
case 'mkdirform':
echo $OUTPUT->header();
echo $OUTPUT->container_start();
echo html_writer::link($home_url, get_string('back', 'repository'));
echo $OUTPUT->container_end();
$home_url->param('draftpath', $draftpath);
$home_url->param('action', 'mkdir');
echo ' <form method="post" action="'.$home_url->out().'">';
echo html_writer::label(get_string('entername', 'repository'), 'newdirname', array('class' => 'accesshide'));
echo ' <input name="newdirname" id="newdirname" type="text" />';
echo ' <input name="draftpath" type="hidden" value="'.s($draftpath).'" />';
echo ' <input type="submit" value="'.s(get_string('makeafolder', 'moodle')).'" />';
echo ' </form>';
echo $OUTPUT->footer();
break;
case 'mkdir':
$newfolderpath = $draftpath . trim($newdirname, '/') . '/';
$fs->create_directory($user_context->id, 'user', 'draft', $itemid, $newfolderpath);
$home_url->param('action', 'browse');
if (!empty($newdirname)) {
$home_url->param('draftpath', $newfolderpath);
$str = get_string('createfoldersuccess', 'repository');
} else {
$home_url->param('draftpath', $draftpath);
$str = get_string('createfolderfail', 'repository');
}
redirect($home_url, $str);
break;
case 'browse':
default:
$files = file_get_drafarea_files($itemid, $draftpath);
$info = file_get_draft_area_info($itemid);
$filecount = $info['filecount'];
echo $OUTPUT->header();
if ((!empty($files) or $draftpath != '/') and $env == 'filemanager') {
echo '<div class="fm-breadcrumb">';
$home_url->param('action', 'browse');
$home_url->param('draftpath', '/');
echo '<a href="'.$home_url->out().'">' . get_string('files') . '</a> ▶';
$trail = '';
if ($draftpath !== '/') {
$path = '/' . trim($draftpath, '/') . '/';
$parts = explode('/', $path);
foreach ($parts as $part) {
if ($part != '') {
$trail .= ('/'.$part.'/');
$data->path[] = array('name'=>$part, 'path'=>$trail);
$home_url->param('draftpath', $trail);
echo ' <a href="'.$home_url->out().'">'.$part.'</a> ▶ ';
}
}
}
echo '</div>';
}
$filepicker_url->param('draftpath', $draftpath);
$filepicker_url->param('savepath', $draftpath);
$filepicker_url->param('action', 'plugins');
echo '<div class="filemanager-toolbar">';
if ($env == 'filepicker') {
$maxfiles = 1;
}
if ($filecount < $maxfiles || $maxfiles == -1) {
echo ' <a href="'.$filepicker_url->out().'">'.get_string('addfile', 'repository').'</a>';
}
if ($env == 'filemanager') {
if (!empty($subdirs)) {
$home_url->param('action', 'mkdirform');
echo ' <a href="'.$home_url->out().'">'.get_string('makeafolder', 'moodle').'</a>';
}
if (!empty($files->list)) {
$home_url->param('action', 'downloaddir');
echo ' ' . html_writer::link($home_url, get_string('downloadfolder', 'repository'), array('target'=>'_blank'));
}
}
echo '</div>';
if (!empty($files->list)) {
echo '<ul>';
foreach ($files->list as $file) {
if ($file->type != 'folder') {
$drafturl = $file->url;
// a file
echo '<li>';
echo $OUTPUT->pix_icon(file_file_icon($file), '', 'moodle', array('class' => 'iconsmall'));
echo html_writer::link($drafturl, $file->filename);
$home_url->param('filename', $file->filename);
$home_url->param('draftpath', $file->filepath);
$home_url->param('action', 'deletedraft');
echo ' [<a href="'.$home_url->out().'" class="fm-operation">'.get_string('delete').'</a>]';
$home_url->param('action', 'movefile');
echo ' [<a href="'.$home_url->out().'" class="fm-operation">'.get_string('move').'</a>]';
$home_url->param('action', 'renameform');
echo ' [<a href="'.$home_url->out().'" class="fm-operation">'.get_string('rename').'</a>]';
if (file_extension_in_typegroup($file->filename, 'archive', true)) {
$home_url->param('action', 'unzip');
$home_url->param('draftpath', $file->filepath);
echo ' [<a href="'.$home_url->out().'" class="fm-operation">'.get_string('unzip').'</a>]';
}
echo '</li>';
} else {
// a folder
echo '<li>';
echo $OUTPUT->pix_icon(file_folder_icon(), get_string('folder'));
$home_url->param('action', 'browse');
$home_url->param('draftpath', $file->filepath);
$filepathchunks = explode('/', trim($file->filepath, '/'));
$foldername = trim(array_pop($filepathchunks), '/');
echo html_writer::link($home_url, $foldername);
$home_url->param('draftpath', $file->filepath);
$home_url->param('filename', $file->filename);
$home_url->param('action', 'deletedraft');
echo ' [<a href="'.$home_url->out().'" class="fm-operation">'.get_string('delete').'</a>]';
$home_url->param('action', 'zip');
echo ' [<a href="'.$home_url->out().'" class="fm-operation">Zip</a>]';
echo '</li>';
}
}
echo '</ul>';
} else {
echo get_string('nofilesavailable', 'repository');
}
echo $OUTPUT->footer();
break;
}
function print_draft_area_tree($tree, $root, $url) {
echo '<ul>';
if ($root) {
$url->param('targetpath', '/');
if ($url->param('draftpath') == '/') {
echo '<li>'.get_string('files').'</li>';
} else {
echo '<li><a href="'.$url->out().'">'.get_string('files').'</a></li>';
}
echo '<ul>';
if (isset($tree->children)) {
$tree = $tree->children;
}
}
if (!empty($tree)) {
foreach ($tree as $node) {
echo '<li>';
$url->param('targetpath', $node->filepath);
if ($url->param('draftpath') != $node->filepath) {
echo '<a href="'.$url->out().'">'.$node->fullname.'</a>';
} else {
echo $node->fullname;
}
echo '</li>';
if (!empty($node->children)) {
print_draft_area_tree($node->children, false, $url);
}
}
}
if ($root) {
echo '</ul>';
}
echo '</ul>';
}