231 lines
7.9 KiB
PHP
231 lines
7.9 KiB
PHP
<?php
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// Load other apps for file previews
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OC_App::loadApps();
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if (\OC_Appconfig::getValue('core', 'shareapi_allow_links', 'yes') !== 'yes') {
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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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function fileCmp($a, $b) {
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if ($a['type'] == 'dir' and $b['type'] != 'dir') {
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return -1;
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} elseif ($a['type'] != 'dir' and $b['type'] == 'dir') {
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return 1;
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} else {
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return strnatcasecmp($a['name'], $b['name']);
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}
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}
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if (isset($_GET['t'])) {
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$token = $_GET['t'];
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$linkItem = OCP\Share::getShareByToken($token);
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if (is_array($linkItem) && isset($linkItem['uid_owner'])) {
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// seems to be a valid share
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$type = $linkItem['item_type'];
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$fileSource = $linkItem['file_source'];
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$shareOwner = $linkItem['uid_owner'];
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$fileOwner = null;
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$path = null;
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if (isset($linkItem['parent'])) {
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$parent = $linkItem['parent'];
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while (isset($parent)) {
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$query = \OC_DB::prepare('SELECT `parent`, `uid_owner` FROM `*PREFIX*share` WHERE `id` = ?', 1);
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$item = $query->execute(array($parent))->fetchRow();
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if (isset($item['parent'])) {
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$parent = $item['parent'];
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} else {
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$fileOwner = $item['uid_owner'];
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break;
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}
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}
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} else {
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$fileOwner = $shareOwner;
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}
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if (isset($fileOwner)) {
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OC_Util::tearDownFS();
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OC_Util::setupFS($fileOwner);
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$path = \OC\Files\Filesystem::getPath($linkItem['file_source']);
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}
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}
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}
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if (isset($path)) {
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if (!isset($linkItem['item_type'])) {
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OCP\Util::writeLog('share', 'No item type set for share id: ' . $linkItem['id'], \OCP\Util::ERROR);
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header('HTTP/1.0 404 Not Found');
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$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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// Authenticate share_with
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$url = OCP\Util::linkToPublic('files') . '&t=' . $token;
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if (isset($_GET['file'])) {
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$url .= '&file=' . urlencode($_GET['file']);
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} else {
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if (isset($_GET['dir'])) {
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$url .= '&dir=' . urlencode($_GET['dir']);
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}
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}
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if (isset($_POST['password'])) {
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$password = $_POST['password'];
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if ($linkItem['share_type'] == OCP\Share::SHARE_TYPE_LINK) {
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// Check Password
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$forcePortable = (CRYPT_BLOWFISH != 1);
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$hasher = new PasswordHash(8, $forcePortable);
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if (!($hasher->CheckPassword($password.OC_Config::getValue('passwordsalt', ''),
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$linkItem['share_with']))) {
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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'] = $linkItem['id'];
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}
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} else {
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OCP\Util::writeLog('share', 'Unknown share type '.$linkItem['share_type']
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.' for share id '.$linkItem['id'], \OCP\Util::ERROR);
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header('HTTP/1.0 404 Not Found');
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$tmpl = new OCP\Template('', '404', 'guest');
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$tmpl->printPage();
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exit();
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}
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} else {
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// Check if item id is set in session
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if (!isset($_SESSION['public_link_authenticated'])
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|| $_SESSION['public_link_authenticated'] !== $linkItem['id']
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) {
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// Prompt for password
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$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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}
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$basePath = $path;
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if (isset($_GET['path']) && \OC\Files\Filesystem::isReadable($basePath . $_GET['path'])) {
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$getPath = \OC\Files\Filesystem::normalizePath($_GET['path']);
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$path .= $getPath;
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} else {
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$getPath = '';
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}
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$dir = dirname($path);
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$file = basename($path);
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// Download the file
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if (isset($_GET['download'])) {
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if (isset($_GET['files'])) { // download selected files
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$files = urldecode($_GET['files']);
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$files_list = json_decode($files);
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// in case we get only a single file
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if ($files_list === NULL ) {
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$files_list = array($files);
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}
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OC_Files::get($path, $files_list, $_SERVER['REQUEST_METHOD'] == 'HEAD' ? true : false);
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} else {
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OC_Files::get($dir, $file, $_SERVER['REQUEST_METHOD'] == 'HEAD' ? true : false);
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}
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exit();
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} else {
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OCP\Util::addStyle('files_sharing', 'public');
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OCP\Util::addScript('files_sharing', 'public');
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OCP\Util::addScript('files', 'fileactions');
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$tmpl = new OCP\Template('files_sharing', 'public', 'base');
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$tmpl->assign('uidOwner', $shareOwner);
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$tmpl->assign('displayName', \OCP\User::getDisplayName($shareOwner));
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$tmpl->assign('filename', $file);
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$tmpl->assign('mimetype', \OC\Files\Filesystem::getMimeType($path));
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$tmpl->assign('fileTarget', basename($linkItem['file_target']));
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$urlLinkIdentifiers= (isset($token)?'&t='.$token:'')
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.(isset($_GET['dir'])?'&dir='.$_GET['dir']:'')
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.(isset($_GET['file'])?'&file='.$_GET['file']:'');
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// Show file list
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if (\OC\Files\Filesystem::is_dir($path)) {
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$tmpl->assign('dir', $getPath);
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OCP\Util::addStyle('files', 'files');
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OCP\Util::addScript('files', 'files');
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OCP\Util::addScript('files', 'filelist');
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OCP\Util::addscript('files', 'keyboardshortcuts');
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$files = array();
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$rootLength = strlen($basePath) + 1;
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$totalSize = 0;
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foreach (\OC\Files\Filesystem::getDirectoryContent($path) as $i) {
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$totalSize += $i['size'];
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$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'] = $fileinfo['filename'];
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if (!empty($fileinfo['extension'])) {
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$i['extension'] = '.' . $fileinfo['extension'];
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} else {
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$i['extension'] = '';
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}
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}
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$i['directory'] = $getPath;
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$i['permissions'] = OCP\PERMISSION_READ;
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$files[] = $i;
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}
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usort($files, "fileCmp");
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// Make breadcrumb
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$breadcrumb = array();
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$pathtohere = '';
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foreach (explode('/', $getPath) as $i) {
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if ($i != '') {
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$pathtohere .= '/' . $i;
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$breadcrumb[] = array('dir' => $pathtohere, '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', $files);
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$list->assign('disableSharing', true);
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$list->assign('baseURL', OCP\Util::linkToPublic('files') . $urlLinkIdentifiers . '&path=');
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$list->assign('downloadURL',
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OCP\Util::linkToPublic('files') . $urlLinkIdentifiers . '&download&path=');
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$breadcrumbNav = new OCP\Template('files', 'part.breadcrumb', '');
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$breadcrumbNav->assign('breadcrumb', $breadcrumb);
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$breadcrumbNav->assign('baseURL', OCP\Util::linkToPublic('files') . $urlLinkIdentifiers . '&path=');
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$folder = new OCP\Template('files', 'index', '');
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$folder->assign('fileList', $list->fetchPage());
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$folder->assign('breadcrumb', $breadcrumbNav->fetchPage());
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$folder->assign('dir', $getPath);
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$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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$folder->assign('usedSpacePercent', 0);
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$tmpl->assign('folder', $folder->fetchPage());
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$allowZip = OCP\Config::getSystemValue('allowZipDownload', true)
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&& $totalSize <= OCP\Config::getSystemValue('maxZipInputSize', OCP\Util::computerFileSize('800 MB'));
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$tmpl->assign('allowZipDownload', intval($allowZip));
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$tmpl->assign('downloadURL',
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OCP\Util::linkToPublic('files') . $urlLinkIdentifiers . '&download&path=' . urlencode($getPath));
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} else {
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$tmpl->assign('dir', $dir);
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// Show file preview if viewer is available
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if ($type == 'file') {
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$tmpl->assign('downloadURL', OCP\Util::linkToPublic('files') . $urlLinkIdentifiers . '&download');
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} else {
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$tmpl->assign('downloadURL', OCP\Util::linkToPublic('files')
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.$urlLinkIdentifiers.'&download&path='.urlencode($getPath));
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}
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}
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$tmpl->printPage();
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}
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exit();
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} else {
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OCP\Util::writeLog('share', 'could not resolve linkItem', \OCP\Util::DEBUG);
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}
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header('HTTP/1.0 404 Not Found');
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$tmpl = new OCP\Template('', '404', 'guest');
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$tmpl->printPage();
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