You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
276 lines
7.4 KiB
PHP
276 lines
7.4 KiB
PHP
<?php
|
|
/**
|
|
* ownCloud - Documents App
|
|
*
|
|
* @author Victor Dubiniuk
|
|
* @copyright 2013 Victor Dubiniuk victor.dubiniuk@gmail.com
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
|
|
* License as published by the Free Software Foundation; either
|
|
* version 3 of the License, or any later version.
|
|
*
|
|
* This library 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 Lesser General Public
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
|
|
namespace OCA\Documents;
|
|
|
|
class File {
|
|
protected $fileId;
|
|
protected $owner;
|
|
protected $path;
|
|
protected $sharing;
|
|
protected $passwordProtected = false;
|
|
|
|
|
|
public function __construct($fileId, $shareOps = null){
|
|
if (!$fileId){
|
|
throw new \Exception('No valid file has been passed');
|
|
}
|
|
|
|
$this->fileId = $fileId;
|
|
|
|
//if you know how to get sharing info by fileId via API,
|
|
//please send me a link to video tutorial :/
|
|
if (!is_null($shareOps)){
|
|
$this->sharing = $shareOps;
|
|
} else {
|
|
$this->sharing = $this->getSharingOps();
|
|
}
|
|
}
|
|
|
|
public static function getByShareToken($token){
|
|
$linkItem = \OCP\Share::getShareByToken($token);
|
|
if (is_array($linkItem) && isset($linkItem['uid_owner'])) {
|
|
// seems to be a valid share
|
|
$rootLinkItem = \OCP\Share::resolveReShare($linkItem);
|
|
$fileOwner = $rootLinkItem['uid_owner'];
|
|
} else {
|
|
throw new \Exception('This file was probably unshared');
|
|
}
|
|
|
|
if (!isset($rootLinkItem['path']) && isset($rootLinkItem['file_target'])){
|
|
$rootLinkItem['path'] = 'files/' . $rootLinkItem['file_target'];
|
|
}
|
|
$file = new File($rootLinkItem['file_source'], array($rootLinkItem));
|
|
|
|
|
|
if (isset($rootLinkItem['uid_owner'])){
|
|
\OC_Util::tearDownFS();
|
|
\OC_Util::setupFS($rootLinkItem['uid_owner']);
|
|
$file->setOwner($rootLinkItem['uid_owner']);
|
|
$file->setPath('/files' . \OC\Files\Filesystem::getPath($linkItem['file_source']));
|
|
}
|
|
|
|
if (isset($linkItem['share_with']) && !empty($linkItem['share_with'])){
|
|
$file->setPasswordProtected(true);
|
|
}
|
|
|
|
return $file;
|
|
}
|
|
|
|
public function getFileId(){
|
|
return $this->fileId;
|
|
}
|
|
|
|
public function setOwner($owner){
|
|
$this->owner = $owner;
|
|
}
|
|
|
|
public function setPath($path){
|
|
$this->path = $path;
|
|
}
|
|
|
|
public function isPublicShare(){
|
|
foreach ($this->sharing as $share){
|
|
if (
|
|
$share['share_type'] == \OCP\Share::SHARE_TYPE_LINK
|
|
|| $share['share_type'] == \OCP\Share::SHARE_TYPE_EMAIL
|
|
){
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public function isPasswordProtected(){
|
|
return $this->passwordProtected;
|
|
}
|
|
|
|
public function checkPassword($password){
|
|
$shareId = $this->getShareId();
|
|
if (!$this->isPasswordProtected()
|
|
|| (\OC::$session->exists('public_link_authenticated')
|
|
&& \OC::$session->get('public_link_authenticated') === $shareId)
|
|
){
|
|
return true;
|
|
}
|
|
|
|
// Check Password
|
|
$forcePortable = (CRYPT_BLOWFISH != 1);
|
|
$hasher = new \PasswordHash(8, $forcePortable);
|
|
if ($hasher->CheckPassword($password.\OC_Config::getValue('passwordsalt', ''),
|
|
$this->getPassword())) {
|
|
// Save item id in session for future request
|
|
\OC::$session->set('public_link_authenticated', $shareId);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public function setPasswordProtected($value){
|
|
$this->passwordProtected = $value;
|
|
}
|
|
|
|
public function getPermissions(){
|
|
if (count($this->sharing)){
|
|
if ($this->isPublicShare()){
|
|
$permissions = \OCP\PERMISSION_READ | \OCP\PERMISSION_UPDATE;
|
|
} else {
|
|
$permissions = $this->sharing[0]['permissions'];
|
|
}
|
|
} else {
|
|
list($owner, $path) = $this->getOwnerViewAndPath();
|
|
$permissions = 0;
|
|
if (\OC\Files\Filesystem::isReadable($path)){
|
|
$permissions |= \OCP\PERMISSION_READ;
|
|
}
|
|
if (\OC\Files\Filesystem::isUpdatable($path)){
|
|
$permissions |= \OCP\PERMISSION_UPDATE;
|
|
}
|
|
|
|
}
|
|
return $permissions;
|
|
}
|
|
|
|
/**
|
|
* Rename this file to the given name
|
|
* @param string $newName name to give (without path)
|
|
* @return boolean true if rename succeeded, false otherwise
|
|
*/
|
|
public function renameTo($newName) {
|
|
list($owner, $path) = $this->getOwnerViewAndPath();
|
|
$newPath = dirname($path) . '/' . $newName;
|
|
return \OC\Files\Filesystem::rename($path, $newPath);
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @return string owner of the current file item
|
|
* @throws \Exception
|
|
*/
|
|
public function getOwnerViewAndPath(){
|
|
if (!$this->owner || !$this->path){
|
|
$info = $this->getSharedFileOwnerAndPath();
|
|
if (is_array($info) && count($info)){
|
|
$owner = $info[0];
|
|
$path = $info[1];
|
|
} else {
|
|
list($owner, $path) = $this->getLocalFileOwnerAndPath();
|
|
}
|
|
|
|
if (!$path){
|
|
throw new \Exception($this->fileId . ' can not be resolved');
|
|
}
|
|
|
|
$this->path = $path;
|
|
$this->owner = $owner;
|
|
}
|
|
|
|
/* to emit hooks properly, view root should contain /user/files */
|
|
|
|
if (strpos($this->path, 'files') === 0){
|
|
$path = preg_replace('|^files|', '', $this->path);
|
|
$view = new View('/' . $this->owner . '/files');
|
|
} else {
|
|
$path = $this->path;
|
|
$view = new View('/' . $this->owner);
|
|
}
|
|
|
|
if (!$view->file_exists($path)){
|
|
throw new \Exception($this->path . ' doesn\'t exist');
|
|
}
|
|
|
|
return array($view, $path);
|
|
}
|
|
|
|
public function getOwner(){
|
|
if (!$this->owner){
|
|
$this->getOwnerViewAndPath();
|
|
}
|
|
return $this->owner;
|
|
}
|
|
|
|
protected function getSharedFileOwnerAndPath(){
|
|
$result = array();
|
|
foreach ($this->sharing as $share){
|
|
return array(
|
|
$share['uid_owner'],
|
|
$share['path']
|
|
);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
protected function getLocalFileOwnerAndPath(){
|
|
$fileInfo = \OC\Files\Cache\Cache::getById($this->fileId);
|
|
$owner = \OCP\User::getUser();
|
|
if (!$owner){
|
|
throw new Exception('Guest users can\'t access local files. This one was probably unshared recently.');
|
|
}
|
|
|
|
return array ($owner, @$fileInfo[1]);
|
|
}
|
|
|
|
protected function getPassword(){
|
|
return $this->sharing[0]['share_with'];
|
|
}
|
|
|
|
protected function getShareId(){
|
|
return $this->sharing[0]['id'];
|
|
}
|
|
|
|
protected function getSharingOps(){
|
|
|
|
$where = 'AND `file_source`=?';
|
|
$values = array($this->fileId);
|
|
|
|
if (\OCP\User::isLoggedIn()){
|
|
$where .= ' AND ((`share_type`=' . \OCP\Share::SHARE_TYPE_USER . ' AND `share_with`=?) OR `share_type`=' . \OCP\Share::SHARE_TYPE_LINK . ')';
|
|
$values[] = \OCP\User::getUser();
|
|
} else {
|
|
$where .= ' AND (`share_type`=' . \OCP\Share::SHARE_TYPE_LINK . ')';
|
|
}
|
|
|
|
$query = \OC_DB::prepare('SELECT `*PREFIX*share`.`id`, `item_type`, `*PREFIX*share`.`parent`, `uid_owner`, '
|
|
.'`share_type`, `share_with`, `file_source`, `path`, `file_target`, '
|
|
.'`permissions`, `expiration`, `storage`, `*PREFIX*filecache`.`parent` as `file_parent`, '
|
|
.'`name`, `mtime`, `mimetype`, `mimepart`, `size`, `encrypted`, `etag`'
|
|
.'FROM `*PREFIX*share` INNER JOIN `*PREFIX*filecache` ON `file_source` = `*PREFIX*filecache`.`fileid` WHERE `item_type` = \'file\' ' . $where);
|
|
$result = $query->execute($values);
|
|
$shares = $result->fetchAll();
|
|
|
|
$origins = array();
|
|
if (is_array($shares)){
|
|
foreach ($shares as $share){
|
|
$origin = \OCP\Share::resolveReShare($share);
|
|
if (!isset($origin['path']) && isset($origin['file_target'])){
|
|
$origin['path'] = 'files/' . $origin['file_target'];
|
|
}
|
|
$origins[] = $origin;
|
|
}
|
|
}
|
|
return $origins;
|
|
}
|
|
}
|