202 lines
7.3 KiB
PHP
202 lines
7.3 KiB
PHP
<?php
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// Load other apps for file previews
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use OCA\Files_Sharing\Helper;
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OC_App::loadApps();
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$appConfig = \OC::$server->getAppConfig();
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if ($appConfig->getValue('core', 'shareapi_allow_links', 'yes') !== 'yes') {
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header('HTTP/1.0 404 Not Found');
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$tmpl = new OCP\Template('', '404', 'guest');
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$tmpl->printPage();
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exit();
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}
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if (isset($_GET['t'])) {
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$token = $_GET['t'];
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$linkItem = OCP\Share::getShareByToken($token, false);
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if (is_array($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 = $linkItem['uid_owner'];
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$path = null;
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$rootLinkItem = OCP\Share::resolveReShare($linkItem);
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if (isset($rootLinkItem['uid_owner'])) {
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OCP\JSON::checkUserExists($rootLinkItem['uid_owner']);
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OC_Util::tearDownFS();
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OC_Util::setupFS($rootLinkItem['uid_owner']);
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$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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OCP\Util::addStyle('files_sharing', 'authenticate');
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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('wrongpw', true);
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$tmpl->printPage();
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exit();
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} else {
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// Save item id in session for future requests
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\OC::$server->getSession()->set('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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$tmpl->printPage();
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exit();
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}
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} else {
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// Check if item id is set in session
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if ( ! \OC::$server->getSession()->exists('public_link_authenticated')
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|| \OC::$server->getSession()->get('public_link_authenticated') !== $linkItem['id']
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) {
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// Prompt for password
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OCP\Util::addStyle('files_sharing', 'authenticate');
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$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 = $path;
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$rootName = \OC_Util::basename($path);
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if (isset($_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($_GET['download'])) {
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if (!\OCP\App::isEnabled('files_encryption')) {
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// encryption app requires the session to store the keys in
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\OC::$server->getSession()->close();
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}
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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, $_SERVER['REQUEST_METHOD'] == 'HEAD');
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} else {
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OC_Files::get($dir, $file, $_SERVER['REQUEST_METHOD'] == 'HEAD');
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}
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exit();
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} else {
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OCP\Util::addScript('files', 'file-upload');
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OCP\Util::addStyle('files_sharing', 'public');
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OCP\Util::addStyle('files_sharing', 'mobile');
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OCP\Util::addScript('files_sharing', 'public');
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OCP\Util::addScript('files', 'fileactions');
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OCP\Util::addScript('files', 'jquery.iframe-transport');
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OCP\Util::addScript('files', 'jquery.fileupload');
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$maxUploadFilesize=OCP\Util::maxUploadFilesize($path);
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$tmpl = new OCP\Template('files_sharing', 'public', 'base');
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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('directory_path', $linkItem['file_target']);
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$tmpl->assign('mimetype', \OC\Files\Filesystem::getMimeType($path));
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$tmpl->assign('dirToken', $linkItem['token']);
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$tmpl->assign('sharingToken', $token);
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$tmpl->assign('server2serversharing', Helper::isOutgoingServer2serverShareEnabled());
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$tmpl->assign('protected', isset($linkItem['share_with']) ? 'true' : 'false');
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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', $getPath);
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OCP\Util::addStyle('files', 'files');
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OCP\Util::addStyle('files', 'upload');
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OCP\Util::addScript('files', 'filesummary');
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OCP\Util::addScript('files', 'breadcrumb');
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OCP\Util::addScript('files', 'files');
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OCP\Util::addScript('files', 'filelist');
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OCP\Util::addscript('files', 'keyboardshortcuts');
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$files = array();
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$rootLength = strlen($basePath) + 1;
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$maxUploadFilesize=OCP\Util::maxUploadFilesize($path);
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$freeSpace=OCP\Util::freeSpace($path);
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$uploadLimit=OCP\Util::uploadLimit();
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$folder = new OCP\Template('files', 'list', '');
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$folder->assign('dir', $getPath);
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$folder->assign('dirToken', $linkItem['token']);
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$folder->assign('permissions', OCP\PERMISSION_READ);
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$folder->assign('isPublic', true);
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$folder->assign('publicUploadEnabled', 'no');
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$folder->assign('files', $files);
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$folder->assign('uploadMaxFilesize', $maxUploadFilesize);
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$folder->assign('uploadMaxHumanFilesize', OCP\Util::humanFileSize($maxUploadFilesize));
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$folder->assign('freeSpace', $freeSpace);
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$folder->assign('uploadLimit', $uploadLimit); // PHP upload limit
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$folder->assign('usedSpacePercent', 0);
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$folder->assign('trash', false);
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$tmpl->assign('folder', $folder->fetchPage());
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$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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$tmpl->printPage();
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}
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exit();
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} else {
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OCP\Util::writeLog('share', 'could not resolve linkItem', \OCP\Util::DEBUG);
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}
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$errorTemplate = new OCP\Template('files_sharing', 'part.404', '');
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$errorContent = $errorTemplate->fetchPage();
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header('HTTP/1.0 404 Not Found');
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OCP\Util::addStyle('files_sharing', '404');
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$tmpl = new OCP\Template('', '404', 'guest');
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$tmpl->assign('content', $errorContent);
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$tmpl->printPage();
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