224 lines
8.9 KiB
PHP
224 lines
8.9 KiB
PHP
<?php
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// Load other apps for file previews
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OC_App::loadApps();
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// Compatibility with shared-by-link items from ownCloud 4.0
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// requires old Sharing table !
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// support will be removed in OC 5.0,a
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if (isset($_GET['token'])) {
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unset($_GET['file']);
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$qry = \OC_DB::prepare('SELECT `source` FROM `*PREFIX*sharing` WHERE `target` = ? LIMIT 1');
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$filepath = $qry->execute(array($_GET['token']))->fetchOne();
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if(isset($filepath)) {
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$info = OC_FileCache_Cached::get($filepath, '');
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if(strtolower($info['mimetype']) == 'httpd/unix-directory') {
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$_GET['dir'] = $filepath;
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} else {
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$_GET['file'] = $filepath;
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}
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\OCP\Util::writeLog('files_sharing', 'You have files that are shared by link originating from ownCloud 4.0. Redistribute the new links, because backwards compatibility will be removed in ownCloud 5.', \OCP\Util::WARN);
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}
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}
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// Enf of backward compatibility
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function getID($path) {
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// use the share table from the db to find the item source if the file was reshared because shared files
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//are not stored in the file cache.
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if (substr(OC_Filesystem::getMountPoint($path), -7, 6) == "Shared") {
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$path_parts = explode('/', $path, 5);
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$user = $path_parts[1];
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$intPath = '/'.$path_parts[4];
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$query = \OC_DB::prepare('SELECT item_source FROM *PREFIX*share WHERE uid_owner = ? AND file_target = ? ');
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$result = $query->execute(array($user, $intPath));
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$row = $result->fetchRow();
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$fileSource = $row['item_source'];
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} else {
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$fileSource = OC_Filecache::getId($path, '');
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}
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return $fileSource;
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}
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if (isset($_GET['file']) || isset($_GET['dir'])) {
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if (isset($_GET['dir'])) {
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$type = 'folder';
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$path = $_GET['dir'];
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if(strlen($path)>1 and substr($path, -1, 1)==='/') {
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$path=substr($path, 0, -1);
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}
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$baseDir = $path;
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$dir = $baseDir;
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} else {
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$type = 'file';
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$path = $_GET['file'];
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if(strlen($path)>1 and substr($path, -1, 1)==='/') {
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$path=substr($path, 0, -1);
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}
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}
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$uidOwner = substr($path, 1, strpos($path, '/', 1) - 1);
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if (OCP\User::userExists($uidOwner)) {
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OC_Util::setupFS($uidOwner);
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$fileSource = getId($path);
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if ($fileSource != -1 && ($linkItem = OCP\Share::getItemSharedWithByLink($type, $fileSource, $uidOwner))) {
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// TODO Fix in the getItems
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if (!isset($linkItem['item_type']) || $linkItem['item_type'] != $type) {
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header('HTTP/1.0 404 Not Found');
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$tmpl = new OCP\Template('', '404', 'guest');
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$tmpl->printPage();
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exit();
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}
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if (isset($linkItem['share_with'])) {
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// Check password
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if (isset($_GET['file'])) {
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$url = OCP\Util::linkToPublic('files').'&file='.$_GET['file'];
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} else {
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$url = OCP\Util::linkToPublic('files').'&dir='.$_GET['dir'];
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}
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if (isset($_POST['password'])) {
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$password = $_POST['password'];
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$storedHash = $linkItem['share_with'];
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$forcePortable = (CRYPT_BLOWFISH != 1);
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$hasher = new PasswordHash(8, $forcePortable);
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if (!($hasher->CheckPassword($password.OC_Config::getValue('passwordsalt', ''), $storedHash))) {
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$tmpl = new OCP\Template('files_sharing', 'authenticate', 'guest');
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$tmpl->assign('URL', $url);
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$tmpl->assign('error', true);
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$tmpl->printPage();
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exit();
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} else {
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// Save item id in session for future requests
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$_SESSION['public_link_authenticated'] = $linkItem['id'];
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}
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// Check if item id is set in session
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} else if (!isset($_SESSION['public_link_authenticated']) || $_SESSION['public_link_authenticated'] !== $linkItem['id']) {
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// Prompt for password
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$tmpl = new OCP\Template('files_sharing', 'authenticate', 'guest');
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$tmpl->assign('URL', $url);
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$tmpl->printPage();
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exit();
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}
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}
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$path = $linkItem['path'];
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if (isset($_GET['path'])) {
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$path .= $_GET['path'];
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$dir .= $_GET['path'];
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if (!OC_Filesystem::file_exists($path)) {
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header('HTTP/1.0 404 Not Found');
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$tmpl = new OCP\Template('', '404', 'guest');
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$tmpl->printPage();
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exit();
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}
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}
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// Download the file
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if (isset($_GET['download'])) {
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if (isset($_GET['dir'])) {
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if ( isset($_GET['files']) ) { // download selected files
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OC_Files::get($path, $_GET['files'], $_SERVER['REQUEST_METHOD'] == 'HEAD' ? true : false);
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} else if (isset($_GET['path']) && $_GET['path'] != '' ) { // download a file from a shared directory
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OC_Files::get('', $path, $_SERVER['REQUEST_METHOD'] == 'HEAD' ? true : false);
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} else { // download the whole shared directory
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OC_Files::get($path, '', $_SERVER['REQUEST_METHOD'] == 'HEAD' ? true : false);
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}
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} else { // download a single shared file
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OC_Files::get("", $path, $_SERVER['REQUEST_METHOD'] == 'HEAD' ? true : false);
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}
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} else {
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OCP\Util::addStyle('files_sharing', 'public');
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OCP\Util::addScript('files_sharing', 'public');
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OCP\Util::addScript('files', 'fileactions');
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$tmpl = new OCP\Template('files_sharing', 'public', 'base');
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$tmpl->assign('owner', $uidOwner);
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// Show file list
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if (OC_Filesystem::is_dir($path)) {
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OCP\Util::addStyle('files', 'files');
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OCP\Util::addScript('files', 'files');
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OCP\Util::addScript('files', 'filelist');
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$files = array();
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$rootLength = strlen($baseDir) + 1;
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foreach (OC_Files::getDirectoryContent($path) as $i) {
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$i['date'] = OCP\Util::formatDate($i['mtime']);
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if ($i['type'] == 'file') {
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$fileinfo = pathinfo($i['name']);
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$i['basename'] = $fileinfo['filename'];
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$i['extension'] = isset($fileinfo['extension']) ? ('.'.$fileinfo['extension']) : '';
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}
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$i['directory'] = '/'.substr('/'.$uidOwner.'/files'.$i['directory'], $rootLength);
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if ($i['directory'] == '/') {
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$i['directory'] = '';
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}
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$i['permissions'] = OCP\Share::PERMISSION_READ;
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$files[] = $i;
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}
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// Make breadcrumb
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$breadcrumb = array();
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$pathtohere = '';
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$count = 1;
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foreach (explode('/', $dir) as $i) {
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if ($i != '') {
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if ($i != $baseDir) {
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$pathtohere .= '/'.$i;
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}
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if ( strlen($pathtohere) < strlen($_GET['dir'])) {
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continue;
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}
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$breadcrumb[] = array('dir' => str_replace($_GET['dir'], "", $pathtohere, $count), 'name' => $i);
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}
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}
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$list = new OCP\Template('files', 'part.list', '');
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$list->assign('files', $files, false);
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$list->assign('publicListView', true);
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$list->assign('baseURL', OCP\Util::linkToPublic('files').'&dir='.urlencode($_GET['dir']).'&path=', false);
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$list->assign('downloadURL', OCP\Util::linkToPublic('files').'&download&dir='.urlencode($_GET['dir']).'&path=', false);
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$breadcrumbNav = new OCP\Template('files', 'part.breadcrumb', '' );
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$breadcrumbNav->assign('breadcrumb', $breadcrumb, false);
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$breadcrumbNav->assign('baseURL', OCP\Util::linkToPublic('files').'&dir='.urlencode($_GET['dir']).'&path=', false);
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$folder = new OCP\Template('files', 'index', '');
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$folder->assign('fileList', $list->fetchPage(), false);
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$folder->assign('breadcrumb', $breadcrumbNav->fetchPage(), false);
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$folder->assign('dir', basename($dir));
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$folder->assign('isCreatable', false);
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$folder->assign('permissions', 0);
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$folder->assign('files', $files);
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$folder->assign('uploadMaxFilesize', 0);
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$folder->assign('uploadMaxHumanFilesize', 0);
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$folder->assign('allowZipDownload', intval(OCP\Config::getSystemValue('allowZipDownload', true)));
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$tmpl->assign('folder', $folder->fetchPage(), false);
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$tmpl->assign('uidOwner', $uidOwner);
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$tmpl->assign('dir', basename($dir));
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$tmpl->assign('filename', basename($path));
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$tmpl->assign('mimetype', \OC\Files\Filesystem::getMimeType($path));
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$tmpl->assign('allowZipDownload', intval(OCP\Config::getSystemValue('allowZipDownload', true)));
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if (isset($_GET['path'])) {
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$getPath = $_GET['path'];
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} else {
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$getPath = '';
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}
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$tmpl->assign('downloadURL', OCP\Util::linkToPublic('files').'&download&dir='.urlencode($_GET['dir']).'&path='.urlencode($getPath), false);
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} else {
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// Show file preview if viewer is available
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$tmpl->assign('uidOwner', $uidOwner);
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$tmpl->assign('dir', dirname($path));
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$tmpl->assign('filename', basename($path));
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$tmpl->assign('mimetype', \OC\Files\Filesystem::getMimeType($path));
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if ($type == 'file') {
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$tmpl->assign('downloadURL', OCP\Util::linkToPublic('files').'&file='.urlencode($_GET['file']).'&download', false);
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} else {
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if (isset($_GET['path'])) {
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$getPath = $_GET['path'];
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} else {
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$getPath = '';
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}
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$tmpl->assign('downloadURL', OCP\Util::linkToPublic('files').'&download&dir='.urlencode($_GET['dir']).'&path='.urlencode($getPath), false);
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}
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}
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$tmpl->printPage();
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}
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exit();
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}
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}
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}
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header('HTTP/1.0 404 Not Found');
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$tmpl = new OCP\Template('', '404', 'guest');
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$tmpl->printPage();
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