215 lines
7 KiB
PHP
215 lines
7 KiB
PHP
<?php
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\OC::$server->getSession()->close();
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// Firefox and Konqueror tries to download application/json for me. --Arthur
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OCP\JSON::setContentTypeHeader('text/plain');
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// If a directory token is sent along check if public upload is permitted.
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// If not, check the login.
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// If no token is sent along, rely on login only
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$allowedPermissions = \OCP\Constants::PERMISSION_ALL;
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$errorCode = null;
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$l = \OC::$server->getL10N('files');
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if (empty($_POST['dirToken'])) {
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// The standard case, files are uploaded through logged in users :)
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OCP\JSON::checkLoggedIn();
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$dir = isset($_POST['dir']) ? $_POST['dir'] : "";
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if (!$dir || empty($dir) || $dir === false) {
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OCP\JSON::error(array('data' => array_merge(array('message' => $l->t('Unable to set upload directory.')))));
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die();
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}
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} else {
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// TODO: ideally this code should be in files_sharing/ajax/upload.php
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// and the upload/file transfer code needs to be refactored into a utility method
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// that could be used there
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\OC_User::setIncognitoMode(true);
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// return only read permissions for public upload
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$allowedPermissions = \OCP\Constants::PERMISSION_READ;
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$publicDirectory = !empty($_POST['subdir']) ? $_POST['subdir'] : '/';
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$linkItem = OCP\Share::getShareByToken($_POST['dirToken']);
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if ($linkItem === false) {
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OCP\JSON::error(array('data' => array_merge(array('message' => $l->t('Invalid Token')))));
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die();
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}
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if (!($linkItem['permissions'] & \OCP\Constants::PERMISSION_CREATE)) {
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OCP\JSON::checkLoggedIn();
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} else {
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// resolve reshares
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$rootLinkItem = OCP\Share::resolveReShare($linkItem);
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OCP\JSON::checkUserExists($rootLinkItem['uid_owner']);
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// Setup FS with owner
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OC_Util::tearDownFS();
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OC_Util::setupFS($rootLinkItem['uid_owner']);
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// The token defines the target directory (security reasons)
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$path = \OC\Files\Filesystem::getPath($linkItem['file_source']);
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$dir = sprintf(
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"/%s/%s",
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$path,
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$publicDirectory
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);
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if (!$dir || empty($dir) || $dir === false) {
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OCP\JSON::error(array('data' => array_merge(array('message' => $l->t('Unable to set upload directory.')))));
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die();
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}
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$dir = rtrim($dir, '/');
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}
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}
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OCP\JSON::callCheck();
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// get array with current storage stats (e.g. max file size)
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$storageStats = \OCA\Files\Helper::buildFileStorageStatistics($dir);
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if (!isset($_FILES['files'])) {
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OCP\JSON::error(array('data' => array_merge(array('message' => $l->t('No file was uploaded. Unknown error')), $storageStats)));
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exit();
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}
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foreach ($_FILES['files']['error'] as $error) {
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if ($error != 0) {
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$errors = array(
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UPLOAD_ERR_OK => $l->t('There is no error, the file uploaded with success'),
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UPLOAD_ERR_INI_SIZE => $l->t('The uploaded file exceeds the upload_max_filesize directive in php.ini: ')
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. ini_get('upload_max_filesize'),
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UPLOAD_ERR_FORM_SIZE => $l->t('The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form'),
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UPLOAD_ERR_PARTIAL => $l->t('The uploaded file was only partially uploaded'),
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UPLOAD_ERR_NO_FILE => $l->t('No file was uploaded'),
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UPLOAD_ERR_NO_TMP_DIR => $l->t('Missing a temporary folder'),
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UPLOAD_ERR_CANT_WRITE => $l->t('Failed to write to disk'),
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);
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$errorMessage = $errors[$error];
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\OC::$server->getLogger()->alert("Upload error: $error - $errorMessage", array('app' => 'files'));
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OCP\JSON::error(array('data' => array_merge(array('message' => $errorMessage), $storageStats)));
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exit();
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}
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}
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$files = $_FILES['files'];
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$error = false;
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$maxUploadFileSize = $storageStats['uploadMaxFilesize'];
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$maxHumanFileSize = OCP\Util::humanFileSize($maxUploadFileSize);
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$totalSize = 0;
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foreach ($files['size'] as $size) {
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$totalSize += $size;
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}
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if ($maxUploadFileSize >= 0 and $totalSize > $maxUploadFileSize) {
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OCP\JSON::error(array('data' => array('message' => $l->t('Not enough storage available'),
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'uploadMaxFilesize' => $maxUploadFileSize,
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'maxHumanFilesize' => $maxHumanFileSize)));
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exit();
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}
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$result = array();
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if (strpos($dir, '..') === false) {
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$fileCount = count($files['name']);
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for ($i = 0; $i < $fileCount; $i++) {
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if (isset($_POST['resolution'])) {
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$resolution = $_POST['resolution'];
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} else {
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$resolution = null;
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}
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// target directory for when uploading folders
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$relativePath = '';
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if(!empty($_POST['file_directory'])) {
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$relativePath = '/'.$_POST['file_directory'];
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}
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// $path needs to be normalized - this failed within drag'n'drop upload to a sub-folder
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if ($resolution === 'autorename') {
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// append a number in brackets like 'filename (2).ext'
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$target = OCP\Files::buildNotExistingFileName(stripslashes($dir . $relativePath), $files['name'][$i]);
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} else {
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$target = \OC\Files\Filesystem::normalizePath(stripslashes($dir . $relativePath).'/'.$files['name'][$i]);
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}
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// relative dir to return to the client
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if (isset($publicDirectory)) {
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// path relative to the public root
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$returnedDir = $publicDirectory . $relativePath;
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} else {
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// full path
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$returnedDir = $dir . $relativePath;
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}
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$returnedDir = \OC\Files\Filesystem::normalizePath($returnedDir);
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$exists = \OC\Files\Filesystem::file_exists($target);
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if ($exists) {
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$updatable = \OC\Files\Filesystem::isUpdatable($target);
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}
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if ( ! $exists || ($updatable && $resolution === 'replace' ) ) {
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// upload and overwrite file
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try
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{
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if (is_uploaded_file($files['tmp_name'][$i]) and \OC\Files\Filesystem::fromTmpFile($files['tmp_name'][$i], $target)) {
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// updated max file size after upload
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$storageStats = \OCA\Files\Helper::buildFileStorageStatistics($dir);
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$meta = \OC\Files\Filesystem::getFileInfo($target);
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if ($meta === false) {
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$error = $l->t('The target folder has been moved or deleted.');
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$errorCode = 'targetnotfound';
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} else {
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$data = \OCA\Files\Helper::formatFileInfo($meta);
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$data['status'] = 'success';
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$data['originalname'] = $files['tmp_name'][$i];
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$data['uploadMaxFilesize'] = $maxUploadFileSize;
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$data['maxHumanFilesize'] = $maxHumanFileSize;
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$data['permissions'] = $meta['permissions'] & $allowedPermissions;
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$data['directory'] = $returnedDir;
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$result[] = $data;
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}
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} else {
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$error = $l->t('Upload failed. Could not find uploaded file');
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}
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} catch(Exception $ex) {
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$error = $ex->getMessage();
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}
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} else {
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// file already exists
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$meta = \OC\Files\Filesystem::getFileInfo($target);
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if ($meta === false) {
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$error = $l->t('Upload failed. Could not get file info.');
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} else {
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$data = \OCA\Files\Helper::formatFileInfo($meta);
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if ($updatable) {
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$data['status'] = 'existserror';
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} else {
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$data['status'] = 'readonly';
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}
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$data['originalname'] = $files['tmp_name'][$i];
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$data['uploadMaxFilesize'] = $maxUploadFileSize;
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$data['maxHumanFilesize'] = $maxHumanFileSize;
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$data['permissions'] = $meta['permissions'] & $allowedPermissions;
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$data['directory'] = $returnedDir;
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$result[] = $data;
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}
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}
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}
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} else {
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$error = $l->t('Invalid directory.');
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}
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if ($error === false) {
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OCP\JSON::encodedPrint($result);
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} else {
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OCP\JSON::error(array(array('data' => array_merge(array('message' => $error, 'code' => $errorCode), $storageStats))));
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}
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