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<?php
/**
* @author Arthur Schiwon <blizzz@owncloud.com>
* @author Bart Visscher <bartv@thisnet.nl>
* @author Björn Schießle <schiessle@owncloud.com>
* @author Florian Pritz <bluewind@xinu.at>
* @author Frank Karlitschek <frank@owncloud.org>
* @author Individual IT Services <info@individual-it.net>
* @author Joas Schilling <nickvergessen@owncloud.com>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Lukas Reschke <lukas@owncloud.com>
* @author Luke Policinski <lpolicinski@gmail.com>
* @author Robin Appelman <icewind@owncloud.com>
* @author Roman Geber <rgeber@owncloudapps.com>
* @author TheSFReader <TheSFReader@gmail.com>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Vincent Petry <pvince81@owncloud.com>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
\OC::$server->getSession()->close();
// Firefox and Konqueror tries to download application/json for me. --Arthur
OCP\JSON::setContentTypeHeader('text/plain');
// If a directory token is sent along check if public upload is permitted.
// If not, check the login.
// If no token is sent along, rely on login only
$allowedPermissions = \OCP\Constants::PERMISSION_ALL;
$errorCode = null;
$l = \OC::$server->getL10N('files');
if (empty($_POST['dirToken'])) {
// The standard case, files are uploaded through logged in users :)
OCP\JSON::checkLoggedIn();
$dir = isset($_POST['dir']) ? (string)$_POST['dir'] : '';
if (!$dir || empty($dir) || $dir === false) {
OCP\JSON::error(array('data' => array_merge(array('message' => $l->t('Unable to set upload directory.')))));
die();
}
} else {
// TODO: ideally this code should be in files_sharing/ajax/upload.php
// and the upload/file transfer code needs to be refactored into a utility method
// that could be used there
\OC_User::setIncognitoMode(true);
// return only read permissions for public upload
$allowedPermissions = \OCP\Constants::PERMISSION_READ;
$publicDirectory = !empty($_POST['subdir']) ? (string)$_POST['subdir'] : '/';
$linkItem = OCP\Share::getShareByToken((string)$_POST['dirToken']);
if ($linkItem === false) {
OCP\JSON::error(array('data' => array_merge(array('message' => $l->t('Invalid Token')))));
die();
}
if (!($linkItem['permissions'] & \OCP\Constants::PERMISSION_CREATE)) {
OCP\JSON::checkLoggedIn();
} else {
// resolve reshares
$rootLinkItem = OCP\Share::resolveReShare($linkItem);
OCP\JSON::checkUserExists($rootLinkItem['uid_owner']);
// Setup FS with owner
OC_Util::tearDownFS();
OC_Util::setupFS($rootLinkItem['uid_owner']);
// The token defines the target directory (security reasons)
$path = \OC\Files\Filesystem::getPath($linkItem['file_source']);
if($path === null) {
OCP\JSON::error(array('data' => array_merge(array('message' => $l->t('Unable to set upload directory.')))));
die();
}
$dir = sprintf(
"/%s/%s",
$path,
$publicDirectory
);
if (!$dir || empty($dir) || $dir === false) {
OCP\JSON::error(array('data' => array_merge(array('message' => $l->t('Unable to set upload directory.')))));
die();
}
$dir = rtrim($dir, '/');
}
}
OCP\JSON::callCheck();
// get array with current storage stats (e.g. max file size)
$storageStats = \OCA\Files\Helper::buildFileStorageStatistics($dir);
if (!isset($_FILES['files'])) {
OCP\JSON::error(array('data' => array_merge(array('message' => $l->t('No file was uploaded. Unknown error')), $storageStats)));
exit();
}
foreach ($_FILES['files']['error'] as $error) {
if ($error != 0) {
$errors = array(
UPLOAD_ERR_OK => $l->t('There is no error, the file uploaded with success'),
UPLOAD_ERR_INI_SIZE => $l->t('The uploaded file exceeds the upload_max_filesize directive in php.ini: ')
. ini_get('upload_max_filesize'),
UPLOAD_ERR_FORM_SIZE => $l->t('The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form'),
UPLOAD_ERR_PARTIAL => $l->t('The uploaded file was only partially uploaded'),
UPLOAD_ERR_NO_FILE => $l->t('No file was uploaded'),
UPLOAD_ERR_NO_TMP_DIR => $l->t('Missing a temporary folder'),
UPLOAD_ERR_CANT_WRITE => $l->t('Failed to write to disk'),
);
$errorMessage = $errors[$error];
\OC::$server->getLogger()->alert("Upload error: $error - $errorMessage", array('app' => 'files'));
OCP\JSON::error(array('data' => array_merge(array('message' => $errorMessage), $storageStats)));
exit();
}
}
$files = $_FILES['files'];
$error = false;
$maxUploadFileSize = $storageStats['uploadMaxFilesize'];
$maxHumanFileSize = OCP\Util::humanFileSize($maxUploadFileSize);
$totalSize = 0;
foreach ($files['size'] as $size) {
$totalSize += $size;
}
if ($maxUploadFileSize >= 0 and $totalSize > $maxUploadFileSize) {
OCP\JSON::error(array('data' => array('message' => $l->t('Not enough storage available'),
'uploadMaxFilesize' => $maxUploadFileSize,
'maxHumanFilesize' => $maxHumanFileSize)));
exit();
}
$result = array();
if (\OC\Files\Filesystem::isValidPath($dir) === true) {
$fileCount = count($files['name']);
for ($i = 0; $i < $fileCount; $i++) {
if (isset($_POST['resolution'])) {
$resolution = $_POST['resolution'];
} else {
$resolution = null;
}
// target directory for when uploading folders
$relativePath = '';
if(!empty($_POST['file_directory'])) {
$relativePath = '/'.$_POST['file_directory'];
}
// $path needs to be normalized - this failed within drag'n'drop upload to a sub-folder
if ($resolution === 'autorename') {
// append a number in brackets like 'filename (2).ext'
$target = OCP\Files::buildNotExistingFileName($dir . $relativePath, $files['name'][$i]);
} else {
$target = \OC\Files\Filesystem::normalizePath($dir . $relativePath.'/'.$files['name'][$i]);
}
// relative dir to return to the client
if (isset($publicDirectory)) {
// path relative to the public root
$returnedDir = $publicDirectory . $relativePath;
} else {
// full path
$returnedDir = $dir . $relativePath;
}
$returnedDir = \OC\Files\Filesystem::normalizePath($returnedDir);
$exists = \OC\Files\Filesystem::file_exists($target);
if ($exists) {
$updatable = \OC\Files\Filesystem::isUpdatable($target);
}
if ( ! $exists || ($updatable && $resolution === 'replace' ) ) {
// upload and overwrite file
try
{
if (is_uploaded_file($files['tmp_name'][$i]) and \OC\Files\Filesystem::fromTmpFile($files['tmp_name'][$i], $target)) {
// updated max file size after upload
$storageStats = \OCA\Files\Helper::buildFileStorageStatistics($dir);
$meta = \OC\Files\Filesystem::getFileInfo($target);
if ($meta === false) {
$error = $l->t('The target folder has been moved or deleted.');
$errorCode = 'targetnotfound';
} else {
$data = \OCA\Files\Helper::formatFileInfo($meta);
$data['status'] = 'success';
$data['originalname'] = $files['name'][$i];
$data['uploadMaxFilesize'] = $maxUploadFileSize;
$data['maxHumanFilesize'] = $maxHumanFileSize;
$data['permissions'] = $meta['permissions'] & $allowedPermissions;
$data['directory'] = $returnedDir;
$result[] = $data;
}
} else {
$error = $l->t('Upload failed. Could not find uploaded file');
}
} catch(Exception $ex) {
$error = $ex->getMessage();
}
} else {
// file already exists
$meta = \OC\Files\Filesystem::getFileInfo($target);
if ($meta === false) {
$error = $l->t('Upload failed. Could not get file info.');
} else {
$data = \OCA\Files\Helper::formatFileInfo($meta);
if ($updatable) {
$data['status'] = 'existserror';
} else {
$data['status'] = 'readonly';
}
$data['originalname'] = $files['name'][$i];
$data['uploadMaxFilesize'] = $maxUploadFileSize;
$data['maxHumanFilesize'] = $maxHumanFileSize;
$data['permissions'] = $meta['permissions'] & $allowedPermissions;
$data['directory'] = $returnedDir;
$result[] = $data;
}
}
}
} else {
$error = $l->t('Invalid directory.');
}
if ($error === false) {
OCP\JSON::encodedPrint($result);
} else {
OCP\JSON::error(array(array('data' => array_merge(array('message' => $error, 'code' => $errorCode), $storageStats))));
}
|
