implement basic encryption functionallity in core to enable multiple encryption modules
This commit is contained in:
Bjoern Schiessle
parent
a9b4f0d842
commit
ff9c85ce60
28 changed files with 2980 additions and 2 deletions
2
.gitignore
vendored
2
.gitignore
vendored
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@ -11,6 +11,8 @@
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/apps*/*
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!/apps/files
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!/apps/files_encryption
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!/apps/encryption
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!/apps/encryption_dummy
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!/apps/files_external
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!/apps/files_sharing
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!/apps/files_trashbin
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6
apps/encryption_dummy/appinfo/app.php
Normal file
6
apps/encryption_dummy/appinfo/app.php
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@ -0,0 +1,6 @@
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<?php
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$manager = \OC::$server->getEncryptionManager();
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$module = new \OCA\Encryption_Dummy\DummyModule();
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$manager->registerEncryptionModule($module);
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20
apps/encryption_dummy/appinfo/info.xml
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20
apps/encryption_dummy/appinfo/info.xml
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@ -0,0 +1,20 @@
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<?xml version="1.0"?>
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<info>
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<id>encryption_dummy</id>
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<name>dummy encryption module</name>
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<description>
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This module does nothing, it is used for testing purpose only
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</description>
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<licence>AGPL</licence>
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<author>Bjoern Schiessle</author>
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<requiremin>8</requiremin>
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<shipped>true</shipped>
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<rememberlogin>false</rememberlogin>
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<types>
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<filesystem/>
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</types>
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<ocsid>166047</ocsid>
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<dependencies>
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<lib>openssl</lib>
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</dependencies>
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</info>
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1
apps/encryption_dummy/appinfo/version
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1
apps/encryption_dummy/appinfo/version
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@ -0,0 +1 @@
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0.0.1
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145
apps/encryption_dummy/lib/dummymodule.php
Normal file
145
apps/encryption_dummy/lib/dummymodule.php
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@ -0,0 +1,145 @@
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<?php
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/**
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* ownCloud
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*
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* @copyright (C) 2015 ownCloud, Inc.
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*
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* @author Bjoern Schiessle <schiessle@owncloud.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace OCA\Encryption_Dummy;
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class DummyModule implements \OCP\Encryption\IEncryptionModule {
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/** @var boolean */
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protected $isWriteOperation;
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/**
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* @return string defining the technical unique id
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*/
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public function getId() {
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return "34876934";
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}
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/**
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* In comparison to getKey() this function returns a human readable (maybe translated) name
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*
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* @return string
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*/
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public function getDisplayName() {
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return "Dummy Encryption Module";
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}
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/**
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* start receiving chunks from a file. This is the place where you can
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* perform some initial step before starting encrypting/decrypting the
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* chunks
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*
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* @param string $path to the file
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* @param string $user who read/write the file (null for public access)
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* @param array $header contains the header data read from the file
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* @param array $accessList who has access to the file contains the key 'users' and 'public'
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*
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* $return array $header contain data as key-value pairs which should be
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* written to the header, in case of a write operation
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* or if no additional data is needed return a empty array
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*/
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public function begin($path, $user, $header, $accessList) {
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return array();
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}
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/**
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* last chunk received. This is the place where you can perform some final
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* operation and return some remaining data if something is left in your
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* buffer.
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*
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* @param string $path to the file
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* @return string remained data which should be written to the file in case
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* of a write operation
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*/
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public function end($path) {
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if ($this->isWriteOperation) {
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$storage = \OC::$server->getEncryptionKeyStorage($this->getId());
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$storage->setFileKey($path, 'fileKey', 'foo');
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}
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return '';
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}
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/**
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* encrypt data
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*
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* @param string $data you want to encrypt
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* @return mixed encrypted data
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*/
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public function encrypt($data) {
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$this->isWriteOperation = true;
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return $data;
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}
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/**
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* decrypt data
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*
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* @param string $data you want to decrypt
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* @param string $user decrypt as user (null for public access)
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* @return mixed decrypted data
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*/
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public function decrypt($data) {
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$this->isWriteOperation=false;
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return $data;
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}
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/**
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* update encrypted file, e.g. give additional users access to the file
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*
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* @param string $path path to the file which should be updated
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* @param array $accessList who has access to the file contains the key 'users' and 'public'
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* @return boolean
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*/
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public function update($path, $accessList) {
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return true;
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}
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/**
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* should the file be encrypted or not
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*
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* @param string $path
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* @return boolean
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*/
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public function shouldEncrypt($path) {
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if (strpos($path, '/'. \OCP\User::getUser() . '/files/') === 0) {
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return true;
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}
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return false;
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}
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/**
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* calculate unencrypted size
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*
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* @param string $path to file
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* @return integer unencrypted size
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*/
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public function calculateUnencryptedSize($path) {
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return 42;
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}
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public function getUnencryptedBlockSize() {
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return 6126;
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}
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}
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45
lib/base.php
45
lib/base.php
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@ -148,7 +148,7 @@ class OC {
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// search the 3rdparty folder
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OC::$THIRDPARTYROOT = OC_Config::getValue('3rdpartyroot', null);
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OC::$THIRDPARTYWEBROOT = OC_Config::getValue('3rdpartyurl', null);
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if (empty(OC::$THIRDPARTYROOT) && empty(OC::$THIRDPARTYWEBROOT)) {
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if (file_exists(OC::$SERVERROOT . '/3rdparty')) {
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OC::$THIRDPARTYROOT = OC::$SERVERROOT;
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@ -163,7 +163,7 @@ class OC {
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. ' folder in the ownCloud folder or the folder above.'
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. ' You can also configure the location in the config.php file.');
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}
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// search the apps folder
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$config_paths = OC_Config::getValue('apps_paths', array());
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if (!empty($config_paths)) {
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@ -613,6 +613,8 @@ class OC {
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self::registerShareHooks();
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self::registerLogRotate();
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self::registerLocalAddressBook();
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self::registerEncryptionWrapper();
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self::registerEncryptionHooks();
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//make sure temporary files are cleaned up
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$tmpManager = \OC::$server->getTempManager();
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@ -669,6 +671,45 @@ class OC {
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});
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}
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private static function registerEncryptionWrapper() {
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$enabled = self::$server->getEncryptionManager()->isEnabled();
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if ($enabled) {
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\OC\Files\Filesystem::addStorageWrapper('oc_encryption', function ($mountPoint, $storage) {
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$parameters = array('storage' => $storage, 'mountPoint' => $mountPoint);
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$manager = \OC::$server->getEncryptionManager();
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$util = new \OC\Encryption\Util(new \OC\Files\View(), \OC::$server->getUserManager());
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$user = \OC::$server->getUserSession()->getUser();
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$logger = \OC::$server->getLogger();
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$uid = $user ? $user->getUID() : null;
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return new \OC\Files\Storage\Wrapper\Encryption($parameters, $manager,$util, $logger, $uid);
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});
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}
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}
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private static function registerEncryptionHooks() {
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$enabled = self::$server->getEncryptionManager()->isEnabled();
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if ($enabled) {
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$user = \OC::$server->getUserSession()->getUser();
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$uid = '';
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if ($user) {
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$uid = $user->getUID();
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}
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$updater = new \OC\Encryption\Update(
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new \OC\Files\View(),
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new \OC\Encryption\Util(new \OC\Files\View(), \OC::$server->getUserManager()),
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\OC\Files\Filesystem::getMountManager(),
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\OC::$server->getEncryptionManager(),
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$uid
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);
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\OCP\Util::connectHook('OCP\Share', 'post_shared', $updater, 'postShared');
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\OCP\Util::connectHook('OCP\Share', 'post_unshare', $updater, 'postUnshared');
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//\OCP\Util::connectHook('OC_Filesystem', 'post_umount', 'OCA\Files_Encryption\Hooks', 'postUnmount');
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//\OCP\Util::connectHook('OC_Filesystem', 'umount', 'OCA\Files_Encryption\Hooks', 'preUnmount');
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}
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}
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/**
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* register hooks for the cache
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*/
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@ -0,0 +1,29 @@
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<?php
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/**
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* ownCloud
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*
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* @copyright (C) 2015 ownCloud, Inc.
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*
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* @author Bjoern Schiessle <schiessle@owncloud.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
|
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace OC\Encryption\Exceptions;
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class EncryptionHeaderKeyExistsException extends \Exception {
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}
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@ -0,0 +1,28 @@
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<?php
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/**
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* ownCloud
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*
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* @copyright (C) 2015 ownCloud, Inc.
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*
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* @author Bjoern Schiessle <schiessle@owncloud.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
|
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
|
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace OC\Encryption\Exceptions;
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class ModuleAlreadyExistsException extends \Exception {
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}
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@ -0,0 +1,28 @@
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<?php
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/**
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* ownCloud
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*
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* @copyright (C) 2015 ownCloud, Inc.
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*
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* @author Bjoern Schiessle <schiessle@owncloud.com>
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*
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* 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
|
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* version 3 of the License, or any later version.
|
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*
|
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* 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
|
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
|
||||
*
|
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* You should have received a copy of the GNU Affero General Public
|
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
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*/
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namespace OC\Encryption\Exceptions;
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class ModuleDoesNotExistsException extends \Exception {
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}
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52
lib/private/encryption/keys/factory.php
Normal file
52
lib/private/encryption/keys/factory.php
Normal file
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@ -0,0 +1,52 @@
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<?php
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/**
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* ownCloud
|
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*
|
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* @copyright (C) 2015 ownCloud, Inc.
|
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*
|
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* @author Bjoern Schiessle <schiessle@owncloud.com>
|
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*
|
||||
* 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.
|
||||
*
|
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* 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
|
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public
|
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
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*/
|
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|
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namespace OC\Encryption\Keys;
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use OC\Encryption\Util;
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use OC\Files\View;
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use OC\User;
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/**
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* Factory provides KeyStorage for different encryption modules
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*/
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class Factory {
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/** @var array */
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protected $instances = array();
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/**
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* get a KeyStorage instance
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*
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* @param string $encryptionModuleId
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* @param View $view
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* @param Util $util
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* @return Storage
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*/
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public function get($encryptionModuleId,View $view, Util $util) {
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if (!isset($this->instances[$encryptionModuleId])) {
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$this->instances[$encryptionModuleId] = new Storage($encryptionModuleId, $view, $util);
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}
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return $this->instances[$encryptionModuleId];
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}
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}
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320
lib/private/encryption/keys/storage.php
Normal file
320
lib/private/encryption/keys/storage.php
Normal file
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@ -0,0 +1,320 @@
|
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<?php
|
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|
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/**
|
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* ownCloud
|
||||
*
|
||||
* @copyright (C) 2015 ownCloud, Inc.
|
||||
*
|
||||
* @author Bjoern Schiessle <schiessle@owncloud.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 Affero General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
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|
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namespace OC\Encryption\Keys;
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|
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use OC\Encryption\Util;
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use OC\Files\View;
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use OCA\Files_Encryption\Exception\EncryptionException;
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|
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class Storage implements \OCP\Encryption\Keys\IStorage {
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|
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/** @var View */
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private $view;
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/** @var Util */
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private $util;
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|
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// base dir where all the file related keys are stored
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private $keys_base_dir;
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private $encryption_base_dir;
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private $keyCache = array();
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/** @var string */
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private $encryptionModuleId;
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/**
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* @param string $encryptionModuleId
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* @param View $view
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* @param Util $util
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*/
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public function __construct($encryptionModuleId, View $view, Util $util) {
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$this->view = $view;
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$this->util = $util;
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$this->encryptionModuleId = $encryptionModuleId;
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|
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$this->encryption_base_dir = '/files_encryption';
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$this->keys_base_dir = $this->encryption_base_dir .'/keys';
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}
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|
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/**
|
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* get user specific key
|
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*
|
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* @param string $uid ID if the user for whom we want the key
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||||
* @param string $keyId id of the key
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*
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* @return mixed key
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*/
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public function getUserKey($uid, $keyId) {
|
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$path = $this->constructUserKeyPath($keyId, $uid);
|
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return $this->getKey($path);
|
||||
}
|
||||
|
||||
/**
|
||||
* get file specific key
|
||||
*
|
||||
* @param string $path path to file
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||||
* @param string $keyId id of the key
|
||||
*
|
||||
* @return mixed key
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||||
*/
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||||
public function getFileKey($path, $keyId) {
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||||
$keyDir = $this->getFileKeyDir($path);
|
||||
return $this->getKey($keyDir . $keyId);
|
||||
}
|
||||
|
||||
/**
|
||||
* get system-wide encryption keys not related to a specific user,
|
||||
* e.g something like a key for public link shares
|
||||
*
|
||||
* @param string $keyId id of the key
|
||||
*
|
||||
* @return mixed key
|
||||
*/
|
||||
public function getSystemUserKey($keyId) {
|
||||
$path = $this->constructUserKeyPath($keyId);
|
||||
return $this->getKey($path);
|
||||
}
|
||||
|
||||
/**
|
||||
* set user specific key
|
||||
*
|
||||
* @param string $uid ID if the user for whom we want the key
|
||||
* @param string $keyId id of the key
|
||||
* @param mixed $key
|
||||
*/
|
||||
public function setUserKey($uid, $keyId, $key) {
|
||||
$path = $this->constructUserKeyPath($keyId, $uid);
|
||||
return $this->setKey($path, $key);
|
||||
}
|
||||
|
||||
/**
|
||||
* set file specific key
|
||||
*
|
||||
* @param string $path path to file
|
||||
* @param string $keyId id of the key
|
||||
* @param boolean
|
||||
*/
|
||||
public function setFileKey($path, $keyId, $key) {
|
||||
$keyDir = $this->getFileKeyDir($path);
|
||||
return $this->setKey($keyDir . $keyId, $key);
|
||||
}
|
||||
|
||||
/**
|
||||
* set system-wide encryption keys not related to a specific user,
|
||||
* e.g something like a key for public link shares
|
||||
*
|
||||
* @param string $keyId id of the key
|
||||
* @param mixed $key
|
||||
*
|
||||
* @return mixed key
|
||||
*/
|
||||
public function setSystemUserKey($keyId, $key) {
|
||||
$path = $this->constructUserKeyPath($keyId);
|
||||
return $this->setKey($path, $key);
|
||||
}
|
||||
|
||||
/**
|
||||
* delete user specific key
|
||||
*
|
||||
* @param string $uid ID if the user for whom we want to delete the key
|
||||
* @param string $keyId id of the key
|
||||
*
|
||||
* @return boolean
|
||||
*/
|
||||
public function deleteUserKey($uid, $keyId) {
|
||||
$path = $this->constructUserKeyPath($keyId, $uid);
|
||||
return $this->view->unlink($path);
|
||||
}
|
||||
|
||||
/**
|
||||
* delete file specific key
|
||||
*
|
||||
* @param string $path path to file
|
||||
* @param string $keyId id of the key
|
||||
*
|
||||
* @return boolean
|
||||
*/
|
||||
public function deleteFileKey($path, $keyId) {
|
||||
$keyDir = $this->getFileKeyDir($path);
|
||||
return $this->view->unlink($keyDir . $keyId);
|
||||
}
|
||||
|
||||
/**
|
||||
* delete all file keys for a given file
|
||||
*
|
||||
* @param string $path to the file
|
||||
* @return boolean
|
||||
*/
|
||||
public function deleteAllFileKeys($path) {
|
||||
$keyDir = $this->getFileKeyDir($path);
|
||||
return $this->view->deleteAll(dirname($keyDir));
|
||||
}
|
||||
|
||||
/**
|
||||
* delete system-wide encryption keys not related to a specific user,
|
||||
* e.g something like a key for public link shares
|
||||
*
|
||||
* @param string $keyId id of the key
|
||||
*
|
||||
* @return boolean
|
||||
*/
|
||||
public function deleteSystemUserKey($keyId) {
|
||||
$path = $this->constructUserKeyPath($keyId);
|
||||
return $this->view->unlink($path);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* construct path to users key
|
||||
*
|
||||
* @param string $keyId
|
||||
* @param string $uid
|
||||
* @return string
|
||||
*/
|
||||
protected function constructUserKeyPath($keyId, $uid = null) {
|
||||
|
||||
if ($uid === null) {
|
||||
$path = $this->encryption_base_dir . '/' . $this->encryptionModuleId . '/' . $keyId;
|
||||
} else {
|
||||
$path = '/' . $uid . $this->encryption_base_dir . '/'
|
||||
. $this->encryptionModuleId . '/' . $uid . '.' . $keyId;
|
||||
}
|
||||
|
||||
return $path;
|
||||
}
|
||||
|
||||
/**
|
||||
* read key from hard disk
|
||||
*
|
||||
* @param string $path to key
|
||||
* @return string
|
||||
*/
|
||||
private function getKey($path) {
|
||||
|
||||
$key = '';
|
||||
|
||||
if ($this->view->file_exists($path)) {
|
||||
if (isset($this->keyCache[$path])) {
|
||||
$key = $this->keyCache[$path];
|
||||
} else {
|
||||
$key = $this->view->file_get_contents($path);
|
||||
$this->keyCache[$path] = $key;
|
||||
}
|
||||
}
|
||||
|
||||
return $key;
|
||||
}
|
||||
|
||||
/**
|
||||
* write key to disk
|
||||
*
|
||||
*
|
||||
* @param string $path path to key directory
|
||||
* @param string $key key
|
||||
* @return bool
|
||||
*/
|
||||
private function setKey($path, $key) {
|
||||
$this->keySetPreparation(dirname($path));
|
||||
|
||||
$result = $this->view->file_put_contents($path, $key);
|
||||
|
||||
if (is_int($result) && $result > 0) {
|
||||
$this->keyCache[$path] = $key;
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* get path to key folder for a given file
|
||||
*
|
||||
* @param string $path path to the file, relative to data/
|
||||
* @return string
|
||||
* @throws EncryptionException
|
||||
* @internal param string $keyId
|
||||
*/
|
||||
private function getFileKeyDir($path) {
|
||||
|
||||
if ($this->view->is_dir($path)) {
|
||||
throw new EncryptionException('file was expected but directory was given', EncryptionException::GENERIC);
|
||||
}
|
||||
|
||||
list($owner, $filename) = $this->util->getUidAndFilename($path);
|
||||
$filename = $this->util->stripPartialFileExtension($filename);
|
||||
|
||||
// in case of system wide mount points the keys are stored directly in the data directory
|
||||
if ($this->util->isSystemWideMountPoint($filename)) {
|
||||
$keyPath = $this->keys_base_dir . $filename . '/';
|
||||
} else {
|
||||
$keyPath = '/' . $owner . $this->keys_base_dir . $filename . '/';
|
||||
}
|
||||
|
||||
return \OC\Files\Filesystem::normalizePath($keyPath . $this->encryptionModuleId . '/', false);
|
||||
}
|
||||
|
||||
/**
|
||||
* move keys if a file was renamed
|
||||
*
|
||||
* @param string $source
|
||||
* @param string $target
|
||||
* @param string $owner
|
||||
* @param bool $systemWide
|
||||
*/
|
||||
public function renameKeys($source, $target, $owner, $systemWide) {
|
||||
if ($systemWide) {
|
||||
$sourcePath = $this->keys_base_dir . $source . '/';
|
||||
$targetPath = $this->keys_base_dir . $target . '/';
|
||||
} else {
|
||||
$sourcePath = '/' . $owner . $this->keys_base_dir . $source . '/';
|
||||
$targetPath = '/' . $owner . $this->keys_base_dir . $target . '/';
|
||||
}
|
||||
|
||||
if ($this->view->file_exists($sourcePath)) {
|
||||
$this->keySetPreparation(dirname($targetPath));
|
||||
$this->view->rename($sourcePath, $targetPath);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Make preparations to filesystem for saving a keyfile
|
||||
*
|
||||
* @param string $path relative to the views root
|
||||
*/
|
||||
protected function keySetPreparation($path) {
|
||||
// If the file resides within a subdirectory, create it
|
||||
if (!$this->view->file_exists($path)) {
|
||||
$sub_dirs = explode('/', $path);
|
||||
$dir = '';
|
||||
foreach ($sub_dirs as $sub_dir) {
|
||||
$dir .= '/' . $sub_dir;
|
||||
if (!$this->view->is_dir($dir)) {
|
||||
$this->view->mkdir($dir);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
170
lib/private/encryption/manager.php
Normal file
170
lib/private/encryption/manager.php
Normal file
|
|
@ -0,0 +1,170 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* ownCloud
|
||||
*
|
||||
* @copyright (C) 2015 ownCloud, Inc.
|
||||
*
|
||||
* @author Bjoern Schiessle <schiessle@owncloud.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 Affero General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
namespace OC\Encryption;
|
||||
|
||||
use OCP\Encryption\IEncryptionModule;
|
||||
|
||||
class Manager implements \OCP\Encryption\IManager {
|
||||
|
||||
/** @var array */
|
||||
protected $encryptionModules;
|
||||
|
||||
/** @var \OCP\IConfig */
|
||||
protected $config;
|
||||
|
||||
/**
|
||||
* @param \OCP\IConfig $config
|
||||
*/
|
||||
public function __construct(\OCP\IConfig $config) {
|
||||
$this->encryptionModules = array();
|
||||
$this->config = $config;
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if encryption is enabled
|
||||
*
|
||||
* @return bool true if enabled, false if not
|
||||
*/
|
||||
public function isEnabled() {
|
||||
|
||||
$installed = $this->config->getSystemValue('installed', false);
|
||||
if (!$installed) {
|
||||
return false;
|
||||
}
|
||||
|
||||
$enabled = $this->config->getAppValue('core', 'encryption_enabled', 'no');
|
||||
return $enabled === 'yes';
|
||||
}
|
||||
|
||||
/**
|
||||
* Registers an encryption module
|
||||
*
|
||||
* @param IEncryptionModule $module
|
||||
* @throws Exceptions\ModuleAlreadyExistsException
|
||||
*/
|
||||
public function registerEncryptionModule(IEncryptionModule $module) {
|
||||
$id = $module->getId();
|
||||
$name = $module->getDisplayName();
|
||||
if (isset($this->encryptionModules[$id])) {
|
||||
$message = 'Id "' . $id . '" already used by encryption module "' . $name . '"';
|
||||
throw new Exceptions\ModuleAlreadyExistsException($message);
|
||||
|
||||
}
|
||||
|
||||
$defaultEncryptionModuleId = $this->getDefaultEncryptionModuleId();
|
||||
|
||||
if (empty($defaultEncryptionModuleId)) {
|
||||
$this->setDefaultEncryptionModule($id);
|
||||
}
|
||||
|
||||
$this->encryptionModules[$id] = $module;
|
||||
}
|
||||
|
||||
/**
|
||||
* Unregisters an encryption module
|
||||
*
|
||||
* @param IEncryptionModule $module
|
||||
*/
|
||||
public function unregisterEncryptionModule(IEncryptionModule $module) {
|
||||
unset($this->encryptionModules[$module->getId()]);
|
||||
}
|
||||
|
||||
/**
|
||||
* get a list of all encryption modules
|
||||
*
|
||||
* @return IEncryptionModule[]
|
||||
*/
|
||||
public function getEncryptionModules() {
|
||||
return $this->encryptionModules;
|
||||
}
|
||||
|
||||
/**
|
||||
* get a specific encryption module
|
||||
*
|
||||
* @param string $moduleId
|
||||
* @return IEncryptionModule
|
||||
* @throws Exceptions\ModuleDoesNotExistsException
|
||||
*/
|
||||
public function getEncryptionModule($moduleId) {
|
||||
if (isset($this->encryptionModules[$moduleId])) {
|
||||
return $this->encryptionModules[$moduleId];
|
||||
} else {
|
||||
$message = "Module with id: $moduleId does not exists.";
|
||||
throw new Exceptions\ModuleDoesNotExistsException($message);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* get default encryption module
|
||||
*
|
||||
* @return \OCP\Encryption\IEncryptionModule
|
||||
* @throws Exceptions\ModuleDoesNotExistsException
|
||||
*/
|
||||
public function getDefaultEncryptionModule() {
|
||||
$defaultModuleId = $this->getDefaultEncryptionModuleId();
|
||||
if (!empty($defaultModuleId)) {
|
||||
if (isset($this->encryptionModules[$defaultModuleId])) {
|
||||
return $this->encryptionModules[$defaultModuleId];
|
||||
} else {
|
||||
$message = 'Default encryption module not loaded';
|
||||
throw new Exceptions\ModuleDoesNotExistsException($message);
|
||||
}
|
||||
} else {
|
||||
$message = 'No default encryption module defined';
|
||||
throw new Exceptions\ModuleDoesNotExistsException($message);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* set default encryption module Id
|
||||
*
|
||||
* @param string $moduleId
|
||||
* @return bool
|
||||
*/
|
||||
public function setDefaultEncryptionModule($moduleId) {
|
||||
try {
|
||||
$this->config->setAppValue('core', 'default_encryption_module', $moduleId);
|
||||
return true;
|
||||
} catch (\Exception $e) {
|
||||
return false;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* get default encryption module Id
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
protected function getDefaultEncryptionModuleId() {
|
||||
try {
|
||||
return $this->config->getAppValue('core', 'default_encryption_module');
|
||||
} catch (\Exception $e) {
|
||||
return '';
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
111
lib/private/encryption/update.php
Normal file
111
lib/private/encryption/update.php
Normal file
|
|
@ -0,0 +1,111 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* ownCloud
|
||||
*
|
||||
* @copyright (C) 2015 ownCloud, Inc.
|
||||
*
|
||||
* @author Bjoern Schiessle <schiessle@owncloud.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 Affero General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
namespace OC\Encryption;
|
||||
|
||||
use \OC\Files\Mount;
|
||||
use \OC\Files\View;
|
||||
|
||||
/**
|
||||
* update encrypted files, e.g. because a file was shared
|
||||
*/
|
||||
class Update {
|
||||
|
||||
/** @var \OC\Files\View */
|
||||
protected $view;
|
||||
|
||||
/** @var \OC\Encryption\Util */
|
||||
protected $util;
|
||||
|
||||
/** @var \OC\Files\Mount\Manager */
|
||||
protected $mountManager;
|
||||
|
||||
/** @var \OC\Encryption\Manager */
|
||||
protected $encryptionManager;
|
||||
|
||||
/** @var string */
|
||||
protected $uid;
|
||||
|
||||
/**
|
||||
*
|
||||
* @param \OC\Files\View $view
|
||||
* @param \OC\Encryption\Util $util
|
||||
* @param \OC\Files\Mount\Manager $mountManager
|
||||
* @param \OC\Encryption\Manager $encryptionManager
|
||||
* @param string $uid
|
||||
*/
|
||||
public function __construct(
|
||||
View $view,
|
||||
Util $util,
|
||||
Mount\Manager $mountManager,
|
||||
Manager $encryptionManager,
|
||||
$uid
|
||||
) {
|
||||
|
||||
$this->view = $view;
|
||||
$this->util = $util;
|
||||
$this->mountManager = $mountManager;
|
||||
$this->encryptionManager = $encryptionManager;
|
||||
$this->uid = $uid;
|
||||
}
|
||||
|
||||
public function postShared($params) {
|
||||
if ($params['itemType'] === 'file' || $params['itemType'] === 'folder') {
|
||||
$this->update($params['fileSource']);
|
||||
}
|
||||
}
|
||||
|
||||
public function postUnshared($params) {
|
||||
if ($params['itemType'] === 'file' || $params['itemType'] === 'folder') {
|
||||
$this->update($params['fileSource']);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* update keyfiles and share keys recursively
|
||||
*
|
||||
* @param int $fileSource file source id
|
||||
*/
|
||||
private function update($fileSource) {
|
||||
$path = \OC\Files\Filesystem::getPath($fileSource);
|
||||
$absPath = '/' . $this->uid . '/files' . $path;
|
||||
|
||||
$mount = $this->mountManager->find($path);
|
||||
$mountPoint = $mount->getMountPoint();
|
||||
|
||||
// if a folder was shared, get a list of all (sub-)folders
|
||||
if ($this->view->is_dir($absPath)) {
|
||||
$allFiles = $this->util->getAllFiles($absPath, $mountPoint);
|
||||
} else {
|
||||
$allFiles = array($absPath);
|
||||
}
|
||||
|
||||
$encryptionModule = $this->encryptionManager->getDefaultEncryptionModule();
|
||||
|
||||
foreach ($allFiles as $path) {
|
||||
$usersSharing = $this->util->getSharingUsersArray($path);
|
||||
$encryptionModule->update($absPath, $usersSharing);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
401
lib/private/encryption/util.php
Normal file
401
lib/private/encryption/util.php
Normal file
|
|
@ -0,0 +1,401 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* ownCloud
|
||||
*
|
||||
* @copyright (C) 2015 ownCloud, Inc.
|
||||
*
|
||||
* @author Bjoern Schiessle <schiessle@owncloud.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 Affero General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
namespace OC\Encryption;
|
||||
|
||||
use OC\Encryption\Exceptions\EncryptionHeaderToLargeException;
|
||||
use OC\Encryption\Exceptions\EncryptionHeaderKeyExistsException;
|
||||
use OCP\Encryption\IEncryptionModule;
|
||||
|
||||
class Util {
|
||||
|
||||
const HEADER_START = 'HBEGIN';
|
||||
const HEADER_END = 'HEND';
|
||||
const HEADER_PADDING_CHAR = '-';
|
||||
|
||||
const HEADER_ENCRYPTION_MODULE_KEY = 'oc_encryption_module';
|
||||
|
||||
/**
|
||||
* block size will always be 8192 for a PHP stream
|
||||
* @see https://bugs.php.net/bug.php?id=21641
|
||||
* @var integer
|
||||
*/
|
||||
protected $headerSize = 8192;
|
||||
|
||||
/**
|
||||
* block size will always be 8192 for a PHP stream
|
||||
* @see https://bugs.php.net/bug.php?id=21641
|
||||
* @var integer
|
||||
*/
|
||||
protected $blockSize = 8192;
|
||||
|
||||
/** @var \OC\Files\View */
|
||||
protected $view;
|
||||
|
||||
/** @var array */
|
||||
protected $ocHeaderKeys;
|
||||
|
||||
/** @var \OC\User\Manager */
|
||||
protected $userManager;
|
||||
|
||||
/** @var array paths excluded from encryption */
|
||||
protected $excludedPaths;
|
||||
|
||||
/**
|
||||
* @param \OC\Files\View $view root view
|
||||
*/
|
||||
public function __construct(\OC\Files\View $view, \OC\User\Manager $userManager) {
|
||||
$this->ocHeaderKeys = [
|
||||
self::HEADER_ENCRYPTION_MODULE_KEY
|
||||
];
|
||||
|
||||
$this->view = $view;
|
||||
$this->userManager = $userManager;
|
||||
|
||||
$this->excludedPaths[] = 'files_encryption';
|
||||
}
|
||||
|
||||
/**
|
||||
* read encryption module ID from header
|
||||
*
|
||||
* @param array $header
|
||||
* @return string
|
||||
*/
|
||||
public function getEncryptionModuleId(array $header) {
|
||||
$id = '';
|
||||
$encryptionModuleKey = self::HEADER_ENCRYPTION_MODULE_KEY;
|
||||
|
||||
if (isset($header[$encryptionModuleKey])) {
|
||||
$id = $header[$encryptionModuleKey];
|
||||
}
|
||||
|
||||
return $id;
|
||||
}
|
||||
|
||||
/**
|
||||
* read header into array
|
||||
*
|
||||
* @param string $header
|
||||
* @return array
|
||||
*/
|
||||
public function readHeader($header) {
|
||||
|
||||
$result = array();
|
||||
|
||||
if (substr($header, 0, strlen(self::HEADER_START)) === self::HEADER_START) {
|
||||
$endAt = strpos($header, self::HEADER_END);
|
||||
if ($endAt !== false) {
|
||||
$header = substr($header, 0, $endAt + strlen(self::HEADER_END));
|
||||
|
||||
// +1 to not start with an ':' which would result in empty element at the beginning
|
||||
$exploded = explode(':', substr($header, strlen(self::HEADER_START)+1));
|
||||
|
||||
$element = array_shift($exploded);
|
||||
while ($element !== self::HEADER_END) {
|
||||
$result[$element] = array_shift($exploded);
|
||||
$element = array_shift($exploded);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* create header for encrypted file
|
||||
*
|
||||
* @param array $headerData
|
||||
* @param IEncryptionModule $encryptionModule
|
||||
* @return string
|
||||
* @throws EncryptionHeaderToLargeException if header has to many arguments
|
||||
* @throws EncryptionHeaderKeyExistsException if header key is already in use
|
||||
*/
|
||||
public function createHeader(array $headerData, IEncryptionModule $encryptionModule) {
|
||||
$header = self::HEADER_START . ':' . self::HEADER_ENCRYPTION_MODULE_KEY . ':' . $encryptionModule->getId() . ':';
|
||||
foreach ($headerData as $key => $value) {
|
||||
if (in_array($key, $this->ocHeaderKeys)) {
|
||||
throw new EncryptionHeaderKeyExistsException('header key "'. $key . '" already reserved by ownCloud');
|
||||
}
|
||||
$header .= $key . ':' . $value . ':';
|
||||
}
|
||||
$header .= self::HEADER_END;
|
||||
|
||||
if (strlen($header) > $this->getHeaderSize()) {
|
||||
throw new EncryptionHeaderToLargeException('max header size exceeded', EncryptionException::ENCRYPTION_HEADER_TO_LARGE);
|
||||
}
|
||||
|
||||
$paddedHeader = str_pad($header, $this->headerSize, self::HEADER_PADDING_CHAR, STR_PAD_RIGHT);
|
||||
|
||||
return $paddedHeader;
|
||||
}
|
||||
|
||||
/**
|
||||
* Find, sanitise and format users sharing a file
|
||||
* @note This wraps other methods into a portable bundle
|
||||
* @param string $path path relative to current users files folder
|
||||
* @return array
|
||||
*/
|
||||
public function getSharingUsersArray($path) {
|
||||
|
||||
// Make sure that a share key is generated for the owner too
|
||||
list($owner, $ownerPath) = $this->getUidAndFilename($path);
|
||||
|
||||
// always add owner to the list of users with access to the file
|
||||
$userIds = array($owner);
|
||||
|
||||
if (!$this->isFile($ownerPath)) {
|
||||
return array('users' => $userIds, 'public' => false);
|
||||
}
|
||||
|
||||
$ownerPath = substr($ownerPath, strlen('/files'));
|
||||
$ownerPath = $this->stripPartialFileExtension($ownerPath);
|
||||
|
||||
// Find out who, if anyone, is sharing the file
|
||||
$result = \OCP\Share::getUsersSharingFile($ownerPath, $owner);
|
||||
$userIds = \array_merge($userIds, $result['users']);
|
||||
$public = $result['public'] || $result['remote'];
|
||||
|
||||
// check if it is a group mount
|
||||
if (\OCP\App::isEnabled("files_external")) {
|
||||
$mounts = \OC_Mount_Config::getSystemMountPoints();
|
||||
foreach ($mounts as $mount) {
|
||||
if ($mount['mountpoint'] == substr($ownerPath, 1, strlen($mount['mountpoint']))) {
|
||||
$mountedFor = $this->getUserWithAccessToMountPoint($mount['applicable']['users'], $mount['applicable']['groups']);
|
||||
$userIds = array_merge($userIds, $mountedFor);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Remove duplicate UIDs
|
||||
$uniqueUserIds = array_unique($userIds);
|
||||
|
||||
return array('users' => $uniqueUserIds, 'public' => $public);
|
||||
}
|
||||
|
||||
/**
|
||||
* go recursively through a dir and collect all files and sub files.
|
||||
*
|
||||
* @param string $dir relative to the users files folder
|
||||
* @param strinf $mountPoint
|
||||
* @return array with list of files relative to the users files folder
|
||||
*/
|
||||
public function getAllFiles($dir, $mountPoint = '') {
|
||||
$result = array();
|
||||
$dirList = array($dir);
|
||||
|
||||
while ($dirList) {
|
||||
$dir = array_pop($dirList);
|
||||
$content = $this->view->getDirectoryContent($dir);
|
||||
|
||||
foreach ($content as $c) {
|
||||
// getDirectoryContent() returns the paths relative to the mount points, so we need
|
||||
// to re-construct the complete path
|
||||
$path = ($mountPoint !== '') ? $mountPoint . '/' . $c['path'] : $c['path'];
|
||||
if ($c['type'] === 'dir') {
|
||||
$dirList[] = $path;
|
||||
} else {
|
||||
$result[] = $path;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* check if it is a file uploaded by the user stored in data/user/files
|
||||
* or a metadata file
|
||||
*
|
||||
* @param string $path
|
||||
* @return boolean
|
||||
*/
|
||||
protected function isFile($path) {
|
||||
if (substr($path, 0, strlen('/files/')) === '/files/') {
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* return size of encryption header
|
||||
*
|
||||
* @return integer
|
||||
*/
|
||||
public function getHeaderSize() {
|
||||
return $this->headerSize;
|
||||
}
|
||||
|
||||
/**
|
||||
* return size of block read by a PHP stream
|
||||
*
|
||||
* @return integer
|
||||
*/
|
||||
public function getBlockSize() {
|
||||
return $this->blockSize;
|
||||
}
|
||||
|
||||
/**
|
||||
* get the owner and the path for the owner
|
||||
*
|
||||
* @param string $path
|
||||
* @return array
|
||||
* @throws \BadMethodCallException
|
||||
*/
|
||||
public function getUidAndFilename($path) {
|
||||
|
||||
$parts = explode('/', $path);
|
||||
$uid = '';
|
||||
if (count($parts) > 2) {
|
||||
$uid = $parts[1];
|
||||
}
|
||||
if (!$this->userManager->userExists($uid)) {
|
||||
throw new \BadMethodCallException('path needs to be relative to the system wide data folder and point to a user specific file');
|
||||
}
|
||||
|
||||
$pathinfo = pathinfo($path);
|
||||
$partfile = false;
|
||||
$parentFolder = false;
|
||||
if (array_key_exists('extension', $pathinfo) && $pathinfo['extension'] === 'part') {
|
||||
// if the real file exists we check this file
|
||||
$filePath = $pathinfo['dirname'] . '/' . $pathinfo['filename'];
|
||||
if ($this->view->file_exists($filePath)) {
|
||||
$pathToCheck = $pathinfo['dirname'] . '/' . $pathinfo['filename'];
|
||||
} else { // otherwise we look for the parent
|
||||
$pathToCheck = $pathinfo['dirname'];
|
||||
$parentFolder = true;
|
||||
}
|
||||
$partfile = true;
|
||||
} else {
|
||||
$pathToCheck = $path;
|
||||
}
|
||||
|
||||
$pathToCheck = substr($pathToCheck, strlen('/' . $uid));
|
||||
|
||||
$this->view->chroot('/' . $uid);
|
||||
$owner = $this->view->getOwner($pathToCheck);
|
||||
|
||||
// Check that UID is valid
|
||||
if (!$this->userManager->userExists($owner)) {
|
||||
throw new \BadMethodCallException('path needs to be relative to the system wide data folder and point to a user specific file');
|
||||
}
|
||||
|
||||
\OC\Files\Filesystem::initMountPoints($owner);
|
||||
|
||||
$info = $this->view->getFileInfo($pathToCheck);
|
||||
$this->view->chroot('/' . $owner);
|
||||
$ownerPath = $this->view->getPath($info->getId());
|
||||
$this->view->chroot('/');
|
||||
|
||||
if ($parentFolder) {
|
||||
$ownerPath = $ownerPath . '/'. $pathinfo['filename'];
|
||||
}
|
||||
|
||||
if ($partfile) {
|
||||
$ownerPath = $ownerPath . '.' . $pathinfo['extension'];
|
||||
}
|
||||
|
||||
return array(
|
||||
$owner,
|
||||
\OC\Files\Filesystem::normalizePath($ownerPath)
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Remove .path extension from a file path
|
||||
* @param string $path Path that may identify a .part file
|
||||
* @return string File path without .part extension
|
||||
* @note this is needed for reusing keys
|
||||
*/
|
||||
public function stripPartialFileExtension($path) {
|
||||
$extension = pathinfo($path, PATHINFO_EXTENSION);
|
||||
|
||||
if ( $extension === 'part') {
|
||||
|
||||
$newLength = strlen($path) - 5; // 5 = strlen(".part")
|
||||
$fPath = substr($path, 0, $newLength);
|
||||
|
||||
// if path also contains a transaction id, we remove it too
|
||||
$extension = pathinfo($fPath, PATHINFO_EXTENSION);
|
||||
if(substr($extension, 0, 12) === 'ocTransferId') { // 12 = strlen("ocTransferId")
|
||||
$newLength = strlen($fPath) - strlen($extension) -1;
|
||||
$fPath = substr($fPath, 0, $newLength);
|
||||
}
|
||||
return $fPath;
|
||||
|
||||
} else {
|
||||
return $path;
|
||||
}
|
||||
}
|
||||
|
||||
protected function getUserWithAccessToMountPoint($users, $groups) {
|
||||
$result = array();
|
||||
if (in_array('all', $users)) {
|
||||
$result = \OCP\User::getUsers();
|
||||
} else {
|
||||
$result = array_merge($result, $users);
|
||||
foreach ($groups as $group) {
|
||||
$result = array_merge($result, \OC_Group::usersInGroup($group));
|
||||
}
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* check if the file is stored on a system wide mount point
|
||||
* @param string $path relative to /data/user with leading '/'
|
||||
* @return boolean
|
||||
*/
|
||||
public function isSystemWideMountPoint($path) {
|
||||
$normalizedPath = ltrim($path, '/');
|
||||
if (\OCP\App::isEnabled("files_external")) {
|
||||
$mounts = \OC_Mount_Config::getSystemMountPoints();
|
||||
foreach ($mounts as $mount) {
|
||||
if ($mount['mountpoint'] == substr($normalizedPath, 0, strlen($mount['mountpoint']))) {
|
||||
if ($this->isMountPointApplicableToUser($mount)) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* check if it is a path which is excluded by ownCloud from encryption
|
||||
*
|
||||
* @param string $path
|
||||
* @return boolean
|
||||
*/
|
||||
public function isExcluded($path) {
|
||||
$root = explode('/', $path, 2);
|
||||
if (isset($root[0])) {
|
||||
if (in_array($root[0], $this->excludedPaths)) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -148,6 +148,13 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
|
|||
return $this->data['encrypted'];
|
||||
}
|
||||
|
||||
/**
|
||||
* @return int
|
||||
*/
|
||||
public function getUnencryptedSize() {
|
||||
return isset($this->data['unencrypted_size']) ? $this->data['unencrypted_size'] : 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return int
|
||||
*/
|
||||
|
|
|
|||
319
lib/private/files/storage/wrapper/encryption.php
Normal file
319
lib/private/files/storage/wrapper/encryption.php
Normal file
|
|
@ -0,0 +1,319 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* ownCloud
|
||||
*
|
||||
* @copyright (C) 2015 ownCloud, Inc.
|
||||
*
|
||||
* @author Bjoern Schiessle <schiessle@owncloud.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 Affero General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
namespace OC\Files\Storage\Wrapper;
|
||||
|
||||
use OC\Encryption\Exceptions\ModuleDoesNotExistsException;
|
||||
|
||||
class Encryption extends Wrapper {
|
||||
|
||||
/** @var string */
|
||||
private $mountPoint;
|
||||
|
||||
/** @var \OC\Encryption\Util */
|
||||
private $util;
|
||||
|
||||
/** @var \OC\Encryption\Manager */
|
||||
private $encryptionManager;
|
||||
|
||||
/** @var \OC\Log */
|
||||
private $logger;
|
||||
|
||||
/** @var string */
|
||||
private $uid;
|
||||
|
||||
/** @var array */
|
||||
private $unencryptedSize;
|
||||
|
||||
/**
|
||||
* @param array $parameters
|
||||
* @param \OC\Encryption\Manager $encryptionManager
|
||||
* @param \OC\Encryption\Util $util
|
||||
* @param \OC\Log $logger
|
||||
* @param string $uid user who perform the read/write operation (null for public access)
|
||||
*/
|
||||
public function __construct(
|
||||
$parameters,
|
||||
\OC\Encryption\Manager $encryptionManager = null,
|
||||
\OC\Encryption\Util $util = null,
|
||||
\OC\Log $logger = null,
|
||||
$uid = null
|
||||
) {
|
||||
|
||||
$this->mountPoint = $parameters['mountPoint'];
|
||||
$this->encryptionManager = $encryptionManager;
|
||||
$this->util = $util;
|
||||
$this->logger = $logger;
|
||||
$this->uid = $uid;
|
||||
$this->unencryptedSize = array();
|
||||
parent::__construct($parameters);
|
||||
}
|
||||
|
||||
/**
|
||||
* see http://php.net/manual/en/function.filesize.php
|
||||
* The result for filesize when called on a folder is required to be 0
|
||||
*
|
||||
* @param string $path
|
||||
* @return int
|
||||
*/
|
||||
public function filesize($path) {
|
||||
$size = 0;
|
||||
$fullPath = $this->getFullPath($path);
|
||||
|
||||
$encryptedSize = $this->storage->filesize($path);
|
||||
|
||||
$info = $this->getCache()->get($path);
|
||||
|
||||
if($encryptedSize > 0 && $info['encrypted']) {
|
||||
$size = $info['unencrypted_size'];
|
||||
if ($size <= 0) {
|
||||
$encryptionModule = $this->getEncryptionModule($path);
|
||||
if ($encryptionModule) {
|
||||
$size = $encryptionModule->calculateUnencryptedSize($fullPath);
|
||||
$this->getCache()->update($info['fileid'], array('unencrypted_size' => $size));
|
||||
}
|
||||
}
|
||||
} else if (isset($this->unencryptedSize[$fullPath]) && isset($info['fileid'])) {
|
||||
$size = $this->unencryptedSize[$fullPath];
|
||||
$info['encrypted'] = true;
|
||||
$info['unencrypted_size'] = $size;
|
||||
$info['size'] = $encryptedSize;
|
||||
$this->getCache()->put($path, $info);
|
||||
}
|
||||
|
||||
return $size;
|
||||
}
|
||||
|
||||
/**
|
||||
* see http://php.net/manual/en/function.file_get_contents.php
|
||||
*
|
||||
* @param string $path
|
||||
* @return string
|
||||
*/
|
||||
public function file_get_contents($path) {
|
||||
|
||||
$data = null;
|
||||
$encryptionModule = $this->getEncryptionModule($path);
|
||||
|
||||
if ($encryptionModule) {
|
||||
|
||||
$handle = $this->fopen($path, 'r');
|
||||
|
||||
if (is_resource($handle)) {
|
||||
while (!feof($handle)) {
|
||||
$data .= fread($handle, $this->util->getBlockSize());
|
||||
}
|
||||
}
|
||||
} else {
|
||||
$data = $this->storage->file_get_contents($path);
|
||||
}
|
||||
|
||||
return $data;
|
||||
}
|
||||
|
||||
/**
|
||||
* see http://php.net/manual/en/function.file_put_contents.php
|
||||
*
|
||||
* @param string $path
|
||||
* @param string $data
|
||||
* @return bool
|
||||
*/
|
||||
public function file_put_contents($path, $data) {
|
||||
// file put content will always be translated to a stream write
|
||||
$handle = $this->fopen($path, 'w');
|
||||
fwrite($handle, $data);
|
||||
return fclose($handle);
|
||||
}
|
||||
|
||||
/**
|
||||
* see http://php.net/manual/en/function.unlink.php
|
||||
*
|
||||
* @param string $path
|
||||
* @return bool
|
||||
*/
|
||||
public function unlink($path) {
|
||||
if ($this->util->isExcluded($path)) {
|
||||
return $this->storage->unlink($path);
|
||||
}
|
||||
|
||||
$encryptionModule = $this->getEncryptionModule($path);
|
||||
if ($encryptionModule) {
|
||||
$keyStorage = \OC::$server->getEncryptionKeyStorage($encryptionModule->getId());
|
||||
$keyStorage->deleteAllFileKeys($this->getFullPath($path));
|
||||
}
|
||||
|
||||
return $this->storage->unlink($path);
|
||||
}
|
||||
|
||||
/**
|
||||
* see http://php.net/manual/en/function.rename.php
|
||||
*
|
||||
* @param string $path1
|
||||
* @param string $path2
|
||||
* @return bool
|
||||
*/
|
||||
public function rename($path1, $path2) {
|
||||
if ($this->util->isExcluded($path1)) {
|
||||
return $this->storage->rename($path1, $path2);
|
||||
}
|
||||
|
||||
$fullPath1 = $this->getFullPath($path1);
|
||||
list($owner, $source) = $this->util->getUidAndFilename($fullPath1);
|
||||
$result = $this->storage->rename($path1, $path2);
|
||||
if ($result) {
|
||||
$fullPath2 = $this->getFullPath($path2);
|
||||
$systemWide = $this->util->isSystemWideMountPoint($this->mountPoint);
|
||||
list(, $target) = $this->util->getUidAndFilename($fullPath2);
|
||||
$encryptionModule = $this->getEncryptionModule($path2);
|
||||
if ($encryptionModule) {
|
||||
$keyStorage = \OC::$server->getEncryptionKeyStorage($encryptionModule->getId());
|
||||
$keyStorage->renameKeys($source, $target, $owner, $systemWide);
|
||||
}
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* see http://php.net/manual/en/function.copy.php
|
||||
*
|
||||
* @param string $path1
|
||||
* @param string $path2
|
||||
* @return bool
|
||||
*/
|
||||
public function copy($path1, $path2) {
|
||||
// todo copy encryption keys, get users with access to the file and reencrypt
|
||||
// or is this to encryption module specific? Then we can hand this over
|
||||
return $this->storage->copy($path1, $path2);
|
||||
}
|
||||
|
||||
/**
|
||||
* see http://php.net/manual/en/function.fopen.php
|
||||
*
|
||||
* @param string $path
|
||||
* @param string $mode
|
||||
* @return resource
|
||||
*/
|
||||
public function fopen($path, $mode) {
|
||||
|
||||
$shouldEncrypt = false;
|
||||
$encryptionModule = null;
|
||||
$header = $this->getHeader($path);
|
||||
$fullPath = $this->getFullPath($path);
|
||||
$encryptionModuleId = $this->util->getEncryptionModuleId($header);
|
||||
|
||||
$size = $unencryptedSize = 0;
|
||||
if ($this->file_exists($path)) {
|
||||
$size = $this->storage->filesize($path);
|
||||
$unencryptedSize = $this->filesize($path);
|
||||
}
|
||||
|
||||
try {
|
||||
|
||||
if (
|
||||
$mode === 'w'
|
||||
|| $mode === 'w+'
|
||||
|| $mode === 'wb'
|
||||
|| $mode === 'wb+'
|
||||
) {
|
||||
if (!empty($encryptionModuleId)) {
|
||||
$encryptionModule = $this->encryptionManager->getEncryptionModule($encryptionModuleId);
|
||||
} else {
|
||||
$encryptionModule = $this->encryptionManager->getDefaultEncryptionModule();
|
||||
}
|
||||
$shouldEncrypt = $encryptionModule->shouldEncrypt($fullPath);
|
||||
} else {
|
||||
// only get encryption module if we found one in the header
|
||||
if (!empty($encryptionModuleId)) {
|
||||
$encryptionModule = $this->encryptionManager->getEncryptionModule($encryptionModuleId);
|
||||
$shouldEncrypt = true;
|
||||
}
|
||||
}
|
||||
} catch (ModuleDoesNotExistsException $e) {
|
||||
$this->logger->warning('Encryption module "' . $encryptionModuleId .
|
||||
'" not found, file will be stored unencrypted');
|
||||
}
|
||||
|
||||
if($shouldEncrypt === true && !$this->util->isExcluded($path) && $encryptionModule !== null) {
|
||||
$source = $this->storage->fopen($path, $mode);
|
||||
$handle = \OC\Files\Stream\Encryption::wrap($source, $path, $fullPath, $header,
|
||||
$this->uid, $encryptionModule, $this->storage, $this, $this->util, $mode,
|
||||
$size, $unencryptedSize);
|
||||
return $handle;
|
||||
} else {
|
||||
return $this->storage->fopen($path, $mode);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* return full path, including mount point
|
||||
*
|
||||
* @param string $path relative to mount point
|
||||
* @return string full path including mount point
|
||||
*/
|
||||
protected function getFullPath($path) {
|
||||
return \OC\Files\Filesystem::normalizePath($this->mountPoint . '/' . $path);
|
||||
}
|
||||
|
||||
/**
|
||||
* read header from file
|
||||
*
|
||||
* @param string $path
|
||||
* @return array
|
||||
*/
|
||||
protected function getHeader($path) {
|
||||
$header = '';
|
||||
if ($this->storage->file_exists($path)) {
|
||||
$handle = $this->storage->fopen($path, 'r');
|
||||
$header = fread($handle, $this->util->getHeaderSize());
|
||||
fclose($handle);
|
||||
}
|
||||
return $this->util->readHeader($header);
|
||||
}
|
||||
|
||||
/**
|
||||
* read encryption module needed to read/write the file located at $path
|
||||
*
|
||||
* @param string $path
|
||||
* @return \OCP\Encryption\IEncryptionModule|null
|
||||
*/
|
||||
protected function getEncryptionModule($path) {
|
||||
$encryptionModule = null;
|
||||
$header = $this->getHeader($path);
|
||||
$encryptionModuleId = $this->util->getEncryptionModuleId($header);
|
||||
if (!empty($encryptionModuleId)) {
|
||||
try {
|
||||
$encryptionModule = $this->encryptionManager->getEncryptionModule($encryptionModuleId);
|
||||
} catch (ModuleDoesNotExistsException $e) {
|
||||
$this->logger->critical('Encryption module defined in "' . $path . '" mot loaded!');
|
||||
throw $e;
|
||||
}
|
||||
}
|
||||
return $encryptionModule;
|
||||
}
|
||||
|
||||
public function updateUnencryptedSize($path, $unencryptedSize) {
|
||||
$this->unencryptedSize[$path] = $unencryptedSize;
|
||||
}
|
||||
|
||||
}
|
||||
385
lib/private/files/stream/encryption.php
Normal file
385
lib/private/files/stream/encryption.php
Normal file
|
|
@ -0,0 +1,385 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* ownCloud - Encryption stream wrapper
|
||||
*
|
||||
* @copyright (C) 2015 ownCloud, Inc.
|
||||
*
|
||||
* @author Bjoern Schiessle <schiessle@owncloud.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 Affero General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
namespace OC\Files\Stream;
|
||||
|
||||
use Icewind\Streams\Wrapper;
|
||||
use OC\Encryption\Exceptions\EncryptionHeaderKeyExistsException;
|
||||
|
||||
class Encryption extends Wrapper {
|
||||
|
||||
/** @var \OC\Encryption\Util */
|
||||
protected $util;
|
||||
|
||||
/** @var \OCP\Encryption\IEncryptionModule */
|
||||
protected $encryptionModule;
|
||||
|
||||
/** @var \OC\Files\Storage\Storage */
|
||||
protected $storage;
|
||||
|
||||
/** @var \OC\Files\Storage\Wrapper\Encryption */
|
||||
protected $encryptionStorage;
|
||||
|
||||
/** @var string */
|
||||
protected $internalPath;
|
||||
|
||||
/** @var integer */
|
||||
protected $size;
|
||||
|
||||
/** @var integer */
|
||||
protected $position;
|
||||
|
||||
/** @var integer */
|
||||
protected $unencryptedSize;
|
||||
|
||||
/** @var integer */
|
||||
protected $unencryptedBlockSize;
|
||||
|
||||
/** @var array */
|
||||
protected $header;
|
||||
|
||||
/** @var string */
|
||||
protected $fullPath;
|
||||
|
||||
/**
|
||||
* header data returned by the encryption module, will be written to the file
|
||||
* in case of a write operation
|
||||
*
|
||||
* @var array
|
||||
*/
|
||||
protected $newHeader;
|
||||
|
||||
/**
|
||||
* user who perform the read/write operation null for public access
|
||||
*
|
||||
* @var string
|
||||
*/
|
||||
protected $uid;
|
||||
|
||||
/** @var bool */
|
||||
protected $readOnly;
|
||||
|
||||
/** @var array */
|
||||
protected $expectedContextProperties;
|
||||
|
||||
public function __construct() {
|
||||
$this->expectedContextProperties = array(
|
||||
'source',
|
||||
'storage',
|
||||
'internalPath',
|
||||
'fullPath',
|
||||
'encryptionModule',
|
||||
'header',
|
||||
'uid',
|
||||
'util',
|
||||
'size',
|
||||
'unencryptedSize',
|
||||
'encryptionStorage'
|
||||
);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Wraps a stream with the provided callbacks
|
||||
*
|
||||
* @param resource $source
|
||||
* @param string $internalPath relative to mount point
|
||||
* @param string $fullPath relative to data/
|
||||
* @param array $header
|
||||
* @param sting $uid
|
||||
* @param \OCP\Encryption\IEncryptionModule $encryptionModule
|
||||
* @param \OC\Files\Storage\Storage $storage
|
||||
* @param OC\Files\Storage\Wrapper\Encryption $encStorage
|
||||
* @param \OC\Encryption\Util $util
|
||||
* @param string $mode
|
||||
* @param int $size
|
||||
* @param int $unencryptedSize
|
||||
* @return resource
|
||||
*
|
||||
* @throws \BadMethodCallException
|
||||
*/
|
||||
public static function wrap($source, $internalPath, $fullPath, array $header,
|
||||
$uid, \OCP\Encryption\IEncryptionModule $encryptionModule,
|
||||
\OC\Files\Storage\Storage $storage, \OC\Files\Storage\Wrapper\Encryption $encStorage,
|
||||
\OC\Encryption\Util $util, $mode, $size, $unencryptedSize) {
|
||||
|
||||
$context = stream_context_create(array(
|
||||
'ocencryption' => array(
|
||||
'source' => $source,
|
||||
'storage' => $storage,
|
||||
'internalPath' => $internalPath,
|
||||
'fullPath' => $fullPath,
|
||||
'encryptionModule' => $encryptionModule,
|
||||
'header' => $header,
|
||||
'uid' => $uid,
|
||||
'util' => $util,
|
||||
'size' => $size,
|
||||
'unencryptedSize' => $unencryptedSize,
|
||||
'encryptionStorage' => $encStorage
|
||||
)
|
||||
));
|
||||
|
||||
return self::wrapSource($source, $mode, $context, 'ocencryption', 'OC\Files\Stream\Encryption');
|
||||
}
|
||||
|
||||
/**
|
||||
* add stream wrapper
|
||||
*
|
||||
* @param resource $source
|
||||
* @param string $mode
|
||||
* @param array $context
|
||||
* @param string $protocol
|
||||
* @param string $class
|
||||
* @return resource
|
||||
* @throws \BadMethodCallException
|
||||
*/
|
||||
protected static function wrapSource($source, $mode, $context, $protocol, $class) {
|
||||
try {
|
||||
stream_wrapper_register($protocol, $class);
|
||||
if (@rewinddir($source) === false) {
|
||||
$wrapped = fopen($protocol . '://', $mode, false, $context);
|
||||
} else {
|
||||
$wrapped = opendir($protocol . '://', $context);
|
||||
}
|
||||
} catch (\BadMethodCallException $e) {
|
||||
stream_wrapper_unregister($protocol);
|
||||
throw $e;
|
||||
}
|
||||
stream_wrapper_unregister($protocol);
|
||||
return $wrapped;
|
||||
}
|
||||
|
||||
/**
|
||||
* Load the source from the stream context and return the context options
|
||||
*
|
||||
* @param string $name
|
||||
* @return array
|
||||
* @throws \BadMethodCallException
|
||||
*/
|
||||
protected function loadContext($name) {
|
||||
$context = parent::loadContext($name);
|
||||
|
||||
foreach ($this->expectedContextProperties as $property) {
|
||||
if (isset($context[$property])) {
|
||||
$this->{$property} = $context[$property];
|
||||
} else {
|
||||
throw new \BadMethodCallException('Invalid context, "' . $property . '" options not set');
|
||||
}
|
||||
}
|
||||
return $context;
|
||||
|
||||
}
|
||||
|
||||
public function stream_open($path, $mode, $options, &$opened_path) {
|
||||
$this->loadContext('ocencryption');
|
||||
|
||||
$this->position = 0;
|
||||
$this->unencryptedBlockSize = $this->encryptionModule->getUnencryptedBlockSize();
|
||||
|
||||
if (
|
||||
$mode === 'w'
|
||||
|| $mode === 'w+'
|
||||
|| $mode === 'wb'
|
||||
|| $mode === 'wb+'
|
||||
) {
|
||||
// We're writing a new file so start write counter with 0 bytes
|
||||
// TODO can we remove this completely?
|
||||
//$this->unencryptedSize = 0;
|
||||
//$this->size = 0;
|
||||
$this->readOnly = false;
|
||||
} else {
|
||||
$this->readOnly = true;
|
||||
}
|
||||
|
||||
$sharePath = $this->fullPath;
|
||||
if (!$this->storage->file_exists($this->internalPath)) {
|
||||
$sharePath = dirname($path);
|
||||
}
|
||||
|
||||
$accessList = $this->util->getSharingUsersArray($sharePath);
|
||||
$this->newHeader = $this->encryptionModule->begin($this->fullPath, $this->uid, $this->header, $accessList);
|
||||
|
||||
return true;
|
||||
|
||||
}
|
||||
|
||||
public function stream_read($count) {
|
||||
|
||||
$result = '';
|
||||
|
||||
// skip the header if we read the file from the beginning
|
||||
if ($this->position === 0 && !empty($this->header)) {
|
||||
parent::stream_read($this->util->getBlockSize());
|
||||
}
|
||||
|
||||
while ($count > 0) {
|
||||
$remainingLength = $count;
|
||||
// update the cache of the current block
|
||||
$data = parent::stream_read($this->util->getBlockSize());
|
||||
$decrypted = $this->encryptionModule->decrypt($data);
|
||||
// determine the relative position in the current block
|
||||
$blockPosition = ($this->position % $this->unencryptedBlockSize);
|
||||
// if entire read inside current block then only position needs to be updated
|
||||
if ($remainingLength < ($this->unencryptedBlockSize - $blockPosition)) {
|
||||
$result .= substr($decrypted, $blockPosition, $remainingLength);
|
||||
$this->position += $remainingLength;
|
||||
$count = 0;
|
||||
// otherwise remainder of current block is fetched, the block is flushed and the position updated
|
||||
} else {
|
||||
$result .= substr($decrypted, $blockPosition);
|
||||
$this->position += ($this->unencryptedBlockSize - $blockPosition);
|
||||
$count -= ($this->unencryptedBlockSize - $blockPosition);
|
||||
}
|
||||
}
|
||||
return $result;
|
||||
|
||||
}
|
||||
|
||||
public function stream_write($data) {
|
||||
|
||||
if ($this->position === 0) {
|
||||
$this->writeHeader();
|
||||
}
|
||||
|
||||
$length = 0;
|
||||
// loop over $data to fit it in 6126 sized unencrypted blocks
|
||||
while (strlen($data) > 0) {
|
||||
$remainingLength = strlen($data);
|
||||
|
||||
// read current block
|
||||
$currentBlock = parent::stream_read($this->util->getBlockSize());
|
||||
$decrypted = $this->encryptionModule->decrypt($currentBlock, $this->uid);
|
||||
|
||||
// for seekable streams the pointer is moved back to the beginning of the encrypted block
|
||||
// flush will start writing there when the position moves to another block
|
||||
$positionInFile = floor($this->position / $this->unencryptedBlockSize) *
|
||||
$this->util->getBlockSize() + $this->util->getHeaderSize();
|
||||
$resultFseek = parent::stream_seek($positionInFile);
|
||||
|
||||
// only allow writes on seekable streams, or at the end of the encrypted stream
|
||||
if ($resultFseek || $positionInFile === $this->size) {
|
||||
|
||||
// determine the relative position in the current block
|
||||
$blockPosition = ($this->position % $this->unencryptedBlockSize);
|
||||
// check if $data fits in current block
|
||||
// if so, overwrite existing data (if any)
|
||||
// update position and liberate $data
|
||||
if ($remainingLength < ($this->unencryptedBlockSize - $blockPosition)) {
|
||||
$decrypted = substr($decrypted, 0, $blockPosition)
|
||||
. $data . substr($decrypted, $blockPosition + $remainingLength);
|
||||
$encrypted = $this->encryptionModule->encrypt($decrypted);
|
||||
parent::stream_write($encrypted);
|
||||
$this->position += $remainingLength;
|
||||
$length += $remainingLength;
|
||||
$data = '';
|
||||
// if $data doens't fit the current block, the fill the current block and reiterate
|
||||
// after the block is filled, it is flushed and $data is updatedxxx
|
||||
} else {
|
||||
$decrypted = substr($decrypted, 0, $blockPosition) .
|
||||
substr($data, 0, $this->unencryptedBlockSize - $blockPosition);
|
||||
$encrypted = $this->encryptionModule->encrypt($decrypted);
|
||||
parent::stream_write($encrypted);
|
||||
$this->position += ($this->unencryptedBlockSize - $blockPosition);
|
||||
$this->size = max($this->size, $this->stream_tell());
|
||||
$length += ($this->unencryptedBlockSize - $blockPosition);
|
||||
$data = substr($data, $this->unencryptedBlockSize - $blockPosition);
|
||||
}
|
||||
} else {
|
||||
$encrypted = $this->encryptionModule->encrypt($data);
|
||||
parent::stream_write($encrypted);
|
||||
$data = '';
|
||||
}
|
||||
}
|
||||
$this->unencryptedSize = max($this->unencryptedSize, $this->position);
|
||||
return $length;
|
||||
}
|
||||
|
||||
public function stream_tell() {
|
||||
return $this->position;
|
||||
}
|
||||
|
||||
public function stream_seek($offset, $whence = SEEK_SET) {
|
||||
|
||||
$return = false;
|
||||
|
||||
switch ($whence) {
|
||||
case SEEK_SET:
|
||||
if ($offset < $this->unencryptedSize && $offset >= 0) {
|
||||
$newPosition = $offset;
|
||||
}
|
||||
break;
|
||||
case SEEK_CUR:
|
||||
if ($offset >= 0) {
|
||||
$newPosition = $offset + $this->position;
|
||||
}
|
||||
break;
|
||||
case SEEK_END:
|
||||
if ($this->unencryptedSize + $offset >= 0) {
|
||||
$newPosition = $this->unencryptedSize + $offset;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
return $return;
|
||||
}
|
||||
|
||||
$newFilePosition = floor($newPosition / $this->unencryptedBlockSize)
|
||||
* $this->util->getBlockSize() + $this->util->getHeaderSize();
|
||||
|
||||
if (parent::stream_seek($newFilePosition)) {
|
||||
$this->position = $newPosition;
|
||||
$return = true;
|
||||
}
|
||||
return $return;
|
||||
|
||||
}
|
||||
|
||||
public function stream_close() {
|
||||
$this->flush();
|
||||
return parent::stream_close();
|
||||
}
|
||||
|
||||
/**
|
||||
* tell encryption module that we are done and write remaining data to the file
|
||||
*/
|
||||
protected function flush() {
|
||||
$remainingData = $this->encryptionModule->end($this->fullPath);
|
||||
if ($this->readOnly === false) {
|
||||
if(!empty($remainingData)) {
|
||||
parent::stream_write($remainingData);
|
||||
}
|
||||
$this->encryptionStorage->updateUnencryptedSize($this->fullPath, $this->unencryptedSize);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* write header at beginning of encrypted file
|
||||
*
|
||||
* @throws EncryptionHeaderKeyExistsException if header key is already in use
|
||||
*/
|
||||
private function writeHeader() {
|
||||
$header = $this->util->createHeader($this->newHeader, $this->encryptionModule);
|
||||
parent::stream_write($header);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -45,9 +45,18 @@ class Server extends SimpleContainer implements IServerContainer {
|
|||
$this->registerService('ContactsManager', function ($c) {
|
||||
return new ContactsManager();
|
||||
});
|
||||
|
||||
$this->registerService('PreviewManager', function (Server $c) {
|
||||
return new PreviewManager($c->getConfig());
|
||||
});
|
||||
|
||||
$this->registerService('EncryptionManager', function (Server $c) {
|
||||
return new Encryption\Manager($c->getConfig());
|
||||
});
|
||||
|
||||
$this->registerService('EncryptionKeyStorageFactory', function ($c) {
|
||||
return new Encryption\Keys\Factory();
|
||||
});
|
||||
$this->registerService('TagMapper', function(Server $c) {
|
||||
return new TagMapper($c->getDatabaseConnection());
|
||||
});
|
||||
|
|
@ -347,6 +356,24 @@ class Server extends SimpleContainer implements IServerContainer {
|
|||
return $this->query('ContactsManager');
|
||||
}
|
||||
|
||||
/**
|
||||
* @return \OC\Encryption\Manager
|
||||
*/
|
||||
function getEncryptionManager() {
|
||||
return $this->query('EncryptionManager');
|
||||
}
|
||||
|
||||
/**
|
||||
* @param string $encryptionModuleId encryption module ID
|
||||
*
|
||||
* @return \OCP\Encryption\Keys\IStorage
|
||||
*/
|
||||
function getEncryptionKeyStorage($encryptionModuleId) {
|
||||
$view = new \OC\Files\View();
|
||||
$util = new \OC\Encryption\Util($view, \OC::$server->getUserManager());
|
||||
return $this->query('EncryptionKeyStorageFactory')->get($encryptionModuleId, $view, $util);
|
||||
}
|
||||
|
||||
/**
|
||||
* The current request object holding all information about the request
|
||||
* currently being processed is returned from this method.
|
||||
|
|
|
|||
115
lib/public/encryption/iencryptionmodule.php
Normal file
115
lib/public/encryption/iencryptionmodule.php
Normal file
|
|
@ -0,0 +1,115 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* ownCloud - public interface of ownCloud for encryption modules
|
||||
*
|
||||
* @copyright (C) 2015 ownCloud, Inc.
|
||||
*
|
||||
* @author Bjoern Schiessle <schiessle@owncloud.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 Affero General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
namespace OCP\Encryption;
|
||||
|
||||
interface IEncryptionModule {
|
||||
|
||||
/**
|
||||
* @return string defining the technical unique id
|
||||
*/
|
||||
public function getId();
|
||||
|
||||
/**
|
||||
* In comparison to getKey() this function returns a human readable (maybe translated) name
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public function getDisplayName();
|
||||
|
||||
/**
|
||||
* start receiving chunks from a file. This is the place where you can
|
||||
* perform some initial step before starting encrypting/decrypting the
|
||||
* chunks
|
||||
*
|
||||
* @param string $path to the file
|
||||
* @param string $user who read/write the file (null for public access)
|
||||
* @param array $header contains the header data read from the file
|
||||
* @param array $accessList who has access to the file contains the key 'users' and 'public'
|
||||
*
|
||||
* $return array $header contain data as key-value pairs which should be
|
||||
* written to the header, in case of a write operation
|
||||
* or if no additional data is needed return a empty array
|
||||
*/
|
||||
public function begin($path, $user, $header, $accessList);
|
||||
|
||||
/**
|
||||
* last chunk received. This is the place where you can perform some final
|
||||
* operation and return some remaining data if something is left in your
|
||||
* buffer.
|
||||
*
|
||||
* @param string $path to the file
|
||||
* @return string remained data which should be written to the file in case
|
||||
* of a write operation
|
||||
*/
|
||||
public function end($path);
|
||||
|
||||
/**
|
||||
* encrypt data
|
||||
*
|
||||
* @param string $data you want to encrypt
|
||||
* @return mixed encrypted data
|
||||
*/
|
||||
public function encrypt($data);
|
||||
|
||||
/**
|
||||
* decrypt data
|
||||
*
|
||||
* @param string $data you want to decrypt
|
||||
* @return mixed decrypted data
|
||||
*/
|
||||
public function decrypt($data);
|
||||
|
||||
/**
|
||||
* update encrypted file, e.g. give additional users access to the file
|
||||
*
|
||||
* @param string $path path to the file which should be updated
|
||||
* @param array $accessList who has access to the file contains the key 'users' and 'public'
|
||||
* @return boolean
|
||||
*/
|
||||
public function update($path, $accessList);
|
||||
|
||||
/**
|
||||
* should the file be encrypted or not
|
||||
*
|
||||
* @param string $path
|
||||
* @return boolean
|
||||
*/
|
||||
public function shouldEncrypt($path);
|
||||
|
||||
/**
|
||||
* calculate unencrypted size
|
||||
*
|
||||
* @param string $path to file
|
||||
* @return integer unencrypted size
|
||||
*/
|
||||
public function calculateUnencryptedSize($path);
|
||||
|
||||
/**
|
||||
* get size of the unencrypted payload per block.
|
||||
* ownCloud read/write files with a block size of 8192 byte
|
||||
*
|
||||
* @return integer
|
||||
*/
|
||||
public function getUnencryptedBlockSize();
|
||||
}
|
||||
92
lib/public/encryption/imanager.php
Normal file
92
lib/public/encryption/imanager.php
Normal file
|
|
@ -0,0 +1,92 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* ownCloud - manage encryption modules
|
||||
*
|
||||
* @copyright (C) 2015 ownCloud, Inc.
|
||||
*
|
||||
* @author Bjoern Schiessle <schiessle@owncloud.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 Affero General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
namespace OCP\Encryption;
|
||||
//
|
||||
// TODO: move exceptions to OCP
|
||||
//
|
||||
use OC\Encryption\Exceptions\ModuleDoesNotExistsException;
|
||||
use OC\Encryption\Exceptions\ModuleAlreadyExistsException;
|
||||
|
||||
/**
|
||||
* This class provides access to files encryption apps.
|
||||
*
|
||||
*/
|
||||
interface IManager {
|
||||
|
||||
/**
|
||||
* Check if encryption is available (at least one encryption module needs to be enabled)
|
||||
*
|
||||
* @return bool true if enabled, false if not
|
||||
*/
|
||||
function isEnabled();
|
||||
|
||||
/**
|
||||
* Registers an encryption module
|
||||
*
|
||||
* @param IEncryptionModule $module
|
||||
* @throws ModuleAlreadyExistsException
|
||||
*/
|
||||
function registerEncryptionModule(IEncryptionModule $module);
|
||||
|
||||
/**
|
||||
* Unregisters an encryption module
|
||||
*
|
||||
* @param IEncryptionModule $module
|
||||
*/
|
||||
function unregisterEncryptionModule(IEncryptionModule $module);
|
||||
|
||||
/**
|
||||
* get a list of all encryption modules
|
||||
*
|
||||
* @return array
|
||||
*/
|
||||
function getEncryptionModules();
|
||||
|
||||
|
||||
/**
|
||||
* get a specific encryption module
|
||||
*
|
||||
* @param string $moduleId
|
||||
* @return IEncryptionModule
|
||||
* @throws ModuleDoesNotExistsException
|
||||
*/
|
||||
function getEncryptionModule($moduleId);
|
||||
|
||||
/**
|
||||
* get default encryption module
|
||||
*
|
||||
* @return \OCP\Encryption\IEncryptionModule
|
||||
* @throws Exceptions\ModuleDoesNotExistsException
|
||||
*/
|
||||
public function getDefaultEncryptionModule();
|
||||
|
||||
/**
|
||||
* set default encryption module Id
|
||||
*
|
||||
* @param string $moduleId
|
||||
* @return string
|
||||
*/
|
||||
public function setDefaultEncryptionModule($moduleId);
|
||||
|
||||
}
|
||||
117
lib/public/encryption/keys/istorage.php
Normal file
117
lib/public/encryption/keys/istorage.php
Normal file
|
|
@ -0,0 +1,117 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* ownCloud
|
||||
*
|
||||
* @copyright (C) 2015 ownCloud, Inc.
|
||||
*
|
||||
* @author Bjoern Schiessle <schiessle@owncloud.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 Affero General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
namespace OCP\Encryption\Keys;
|
||||
|
||||
interface IStorage {
|
||||
|
||||
/**
|
||||
* get user specific key
|
||||
*
|
||||
* @param string $uid ID if the user for whom we want the key
|
||||
* @param string $keyId id of the key
|
||||
*
|
||||
* @return mixed key
|
||||
*/
|
||||
public function getUserKey($uid, $keyId);
|
||||
|
||||
/**
|
||||
* get file specific key
|
||||
*
|
||||
* @param string $path path to file
|
||||
* @param string $keyId id of the key
|
||||
*
|
||||
* @return mixed key
|
||||
*/
|
||||
public function getFileKey($path, $keyId);
|
||||
|
||||
/**
|
||||
* get system-wide encryption keys not related to a specific user,
|
||||
* e.g something like a key for public link shares
|
||||
*
|
||||
* @param string $keyId id of the key
|
||||
*
|
||||
* @return mixed key
|
||||
*/
|
||||
public function getSystemUserKey($keyId);
|
||||
|
||||
/**
|
||||
* set user specific key
|
||||
*
|
||||
* @param string $uid ID if the user for whom we want the key
|
||||
* @param string $keyId id of the key
|
||||
* @param mixed $key
|
||||
*/
|
||||
public function setUserKey($uid, $keyId, $key);
|
||||
|
||||
/**
|
||||
* set file specific key
|
||||
*
|
||||
* @param string $path path to file
|
||||
* @param string $keyId id of the key
|
||||
* @param boolean
|
||||
*/
|
||||
public function setFileKey($path, $keyId, $key);
|
||||
|
||||
/**
|
||||
* set system-wide encryption keys not related to a specific user,
|
||||
* e.g something like a key for public link shares
|
||||
*
|
||||
* @param string $keyId id of the key
|
||||
* @param mixed $key
|
||||
*
|
||||
* @return mixed key
|
||||
*/
|
||||
public function setSystemUserKey($keyId, $key);
|
||||
|
||||
/**
|
||||
* delete user specific key
|
||||
*
|
||||
* @param string $uid ID if the user for whom we want to delete the key
|
||||
* @param string $keyId id of the key
|
||||
*
|
||||
* @return boolean
|
||||
*/
|
||||
public function deleteUserKey($uid, $keyId);
|
||||
|
||||
/**
|
||||
* delete file specific key
|
||||
*
|
||||
* @param string $path path to file
|
||||
* @param string $keyId id of the key
|
||||
*
|
||||
* @return boolean
|
||||
*/
|
||||
public function deleteFileKey($path, $keyId);
|
||||
|
||||
/**
|
||||
* delete system-wide encryption keys not related to a specific user,
|
||||
* e.g something like a key for public link shares
|
||||
*
|
||||
* @param string $keyId id of the key
|
||||
*
|
||||
* @return boolean
|
||||
*/
|
||||
public function deleteSystemUserKey($keyId);
|
||||
|
||||
}
|
||||
|
|
@ -57,6 +57,23 @@ $template->assign('shareExcludeGroups', $excludeGroups);
|
|||
$excludedGroupsList = $appConfig->getValue('core', 'shareapi_exclude_groups_list', '');
|
||||
$excludedGroupsList = explode(',', $excludedGroupsList); // FIXME: this should be JSON!
|
||||
$template->assign('shareExcludedGroupsList', implode('|', $excludedGroupsList));
|
||||
$template->assign('encryptionEnabled', \OC::$server->getEncryptionManager()->isEnabled());
|
||||
$encryptionModules = \OC::$server->getEncryptionManager()->getEncryptionModules();
|
||||
try {
|
||||
$defaultEncryptionModule = \OC::$server->getEncryptionManager()->getDefaultEncryptionModule();
|
||||
$defaultEncryptionModuleId = $defaultEncryptionModule->getId();
|
||||
} catch (Exception $e) {
|
||||
$defaultEncryptionModule = null;
|
||||
}
|
||||
$encModulues = array();
|
||||
foreach ($encryptionModules as $module) {
|
||||
$encModulues[$module->getId()]['displayName'] = $module->getDisplayName();
|
||||
$encModulues[$module->getId()]['default'] = false;
|
||||
if ($defaultEncryptionModule && $module->getId() === $defaultEncryptionModuleId) {
|
||||
$encModulues[$module->getId()]['default'] = true;
|
||||
}
|
||||
}
|
||||
$template->assign('encryptionModules', $encModulues);
|
||||
|
||||
// If the current web root is non-empty but the web root from the config is,
|
||||
// and system cron is used, the URL generator fails to build valid URLs.
|
||||
|
|
@ -118,6 +135,7 @@ $formsAndMore = array_merge($formsAndMore, $formsMap);
|
|||
// add bottom hardcoded forms from the template
|
||||
$formsAndMore[] = array('anchor' => 'backgroundjobs', 'section-name' => $l->t('Cron'));
|
||||
$formsAndMore[] = array('anchor' => 'shareAPI', 'section-name' => $l->t('Sharing'));
|
||||
$formsAndMore[] = array('anchor' => 'encryptionAPI', 'section-name' => $l->t('Server Side Encryption'));
|
||||
$formsAndMore[] = array('anchor' => 'mail_general_settings', 'section-name' => $l->t('Email Server'));
|
||||
$formsAndMore[] = array('anchor' => 'log-section', 'section-name' => $l->t('Log'));
|
||||
|
||||
|
|
|
|||
|
|
@ -386,3 +386,12 @@ doesnotexist:-o-prefocus, .strengthify-wrapper {
|
|||
font-weight: normal;
|
||||
margin-top: 5px;
|
||||
}
|
||||
|
||||
#selectEncryptionModules {
|
||||
margin-left: 30px;
|
||||
padding: 10px;
|
||||
}
|
||||
|
||||
#encryptionModules {
|
||||
padding: 10px;
|
||||
}
|
||||
|
|
@ -54,6 +54,22 @@ $(document).ready(function(){
|
|||
$('#shareAPI p:not(#enable)').toggleClass('hidden', !this.checked);
|
||||
});
|
||||
|
||||
$('#encryptionEnabled').change(function() {
|
||||
$('#encryptionAPI div#selectEncryptionModules').toggleClass('hidden');
|
||||
});
|
||||
|
||||
$('#encryptionAPI input').change(function() {
|
||||
var value = $(this).val();
|
||||
if ($(this).attr('type') === 'checkbox') {
|
||||
if (this.checked) {
|
||||
value = 'yes';
|
||||
} else {
|
||||
value = 'no';
|
||||
}
|
||||
}
|
||||
OC.AppConfig.setValue('core', $(this).attr('name'), value);
|
||||
});
|
||||
|
||||
$('#shareAPI input:not(#excludedGroups)').change(function() {
|
||||
var value = $(this).val();
|
||||
if ($(this).attr('type') === 'checkbox') {
|
||||
|
|
|
|||
|
|
@ -356,6 +356,30 @@ if ($_['cronErrors']) {
|
|||
</p>
|
||||
</div>
|
||||
|
||||
<div class="section" id='encryptionAPI'>
|
||||
<h2><?php p($l->t('Server Side Encryption'));?></h2>
|
||||
<p id="enable">
|
||||
<input type="checkbox" name="encryption_enabled" id="encryptionEnabled"
|
||||
value="1" <?php if ($_['encryptionEnabled']) print_unescaped('checked="checked"'); ?> />
|
||||
<label for="encryptionEnabled"><?php p($l->t('Enable Server-Side-Encryption'));?></label><br/>
|
||||
</p>
|
||||
<div id='selectEncryptionModules' class="<?php if (!$_['encryptionEnabled']) { p('hidden'); }?>">
|
||||
<?php if (empty($_['encryptionModules'])): p('No encryption module loaded, please load a encryption module in the app menu');
|
||||
else: ?>
|
||||
<h3>Select default encryption module:</h3>
|
||||
<fieldset id='encryptionModules'>
|
||||
<?php foreach ($_['encryptionModules'] as $id => $module): ?>
|
||||
<input type="radio" id="<?php p($id) ?>"
|
||||
name="default_encryption_module"
|
||||
value="<?php p($id) ?>"
|
||||
<?php if($module['default']) { p('checked'); } ?>>
|
||||
<label for="<?php p($id) ?>"><?php p($module['displayName']) ?></label><br />
|
||||
<?php endforeach;?>
|
||||
</fieldset>
|
||||
<?php endif; ?>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div class="section">
|
||||
<form id="mail_general_settings" class="mail_settings">
|
||||
<h2><?php p($l->t('Email Server'));?></h2>
|
||||
|
|
|
|||
280
tests/lib/encryption/keys/storage.php
Normal file
280
tests/lib/encryption/keys/storage.php
Normal file
|
|
@ -0,0 +1,280 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* ownCloud
|
||||
*
|
||||
* @copyright (C) 2015 ownCloud, Inc.
|
||||
*
|
||||
* @author Bjoern Schiessle <schiessle@owncloud.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 Affero General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
namespace Test\Encryption\Keys;
|
||||
|
||||
use OC\Encryption\Keys\Storage;
|
||||
use Test\TestCase;
|
||||
|
||||
class StorageTest extends TestCase {
|
||||
|
||||
/** @var \PHPUnit_Framework_MockObject_MockObject */
|
||||
protected $util;
|
||||
|
||||
/** @var \PHPUnit_Framework_MockObject_MockObject */
|
||||
protected $view;
|
||||
|
||||
public function setUp() {
|
||||
parent::setUp();
|
||||
|
||||
$this->util = $this->getMockBuilder('OC\Encryption\Util')
|
||||
->disableOriginalConstructor()
|
||||
->getMock();
|
||||
|
||||
$this->view = $this->getMockBuilder('OC\Files\View')
|
||||
->disableOriginalConstructor()
|
||||
->getMock();
|
||||
|
||||
}
|
||||
|
||||
public function testSetFileKey() {
|
||||
$this->util->expects($this->any())
|
||||
->method('getUidAndFilename')
|
||||
->willReturn(array('user1', '/files/foo.txt'));
|
||||
$this->util->expects($this->any())
|
||||
->method('stripPartialFileExtension')
|
||||
->willReturnArgument(0);
|
||||
$this->util->expects($this->any())
|
||||
->method('isSystemWideMountPoint')
|
||||
->willReturn(false);
|
||||
$this->view->expects($this->once())
|
||||
->method('file_put_contents')
|
||||
->with($this->equalTo('/user1/files_encryption/keys/files/foo.txt/encModule/fileKey'),
|
||||
$this->equalTo('key'))
|
||||
->willReturn(strlen('key'));
|
||||
|
||||
$storage = new Storage('encModule', $this->view, $this->util);
|
||||
|
||||
$this->assertTrue(
|
||||
$storage->setFileKey('user1/files/foo.txt', 'fileKey', 'key')
|
||||
);
|
||||
}
|
||||
|
||||
public function testGetFileKey() {
|
||||
$this->util->expects($this->any())
|
||||
->method('getUidAndFilename')
|
||||
->willReturn(array('user1', '/files/foo.txt'));
|
||||
$this->util->expects($this->any())
|
||||
->method('stripPartialFileExtension')
|
||||
->willReturnArgument(0);
|
||||
$this->util->expects($this->any())
|
||||
->method('isSystemWideMountPoint')
|
||||
->willReturn(false);
|
||||
$this->view->expects($this->once())
|
||||
->method('file_get_contents')
|
||||
->with($this->equalTo('/user1/files_encryption/keys/files/foo.txt/encModule/fileKey'))
|
||||
->willReturn('key');
|
||||
$this->view->expects($this->once())
|
||||
->method('file_exists')
|
||||
->with($this->equalTo('/user1/files_encryption/keys/files/foo.txt/encModule/fileKey'))
|
||||
->willReturn(true);
|
||||
|
||||
$storage = new Storage('encModule', $this->view, $this->util);
|
||||
|
||||
$this->assertSame('key',
|
||||
$storage->getFileKey('user1/files/foo.txt', 'fileKey')
|
||||
);
|
||||
}
|
||||
|
||||
public function testSetFileKeySystemWide() {
|
||||
$this->util->expects($this->any())
|
||||
->method('getUidAndFilename')
|
||||
->willReturn(array('user1', '/files/foo.txt'));
|
||||
$this->util->expects($this->any())
|
||||
->method('isSystemWideMountPoint')
|
||||
->willReturn(true);
|
||||
$this->util->expects($this->any())
|
||||
->method('stripPartialFileExtension')
|
||||
->willReturnArgument(0);
|
||||
$this->view->expects($this->once())
|
||||
->method('file_put_contents')
|
||||
->with($this->equalTo('/files_encryption/keys/files/foo.txt/encModule/fileKey'),
|
||||
$this->equalTo('key'))
|
||||
->willReturn(strlen('key'));
|
||||
|
||||
$storage = new Storage('encModule', $this->view, $this->util);
|
||||
|
||||
$this->assertTrue(
|
||||
$storage->setFileKey('user1/files/foo.txt', 'fileKey', 'key')
|
||||
);
|
||||
}
|
||||
|
||||
public function testGetFileKeySystemWide() {
|
||||
$this->util->expects($this->any())
|
||||
->method('getUidAndFilename')
|
||||
->willReturn(array('user1', '/files/foo.txt'));
|
||||
$this->util->expects($this->any())
|
||||
->method('stripPartialFileExtension')
|
||||
->willReturnArgument(0);
|
||||
$this->util->expects($this->any())
|
||||
->method('isSystemWideMountPoint')
|
||||
->willReturn(true);
|
||||
$this->view->expects($this->once())
|
||||
->method('file_get_contents')
|
||||
->with($this->equalTo('/files_encryption/keys/files/foo.txt/encModule/fileKey'))
|
||||
->willReturn('key');
|
||||
$this->view->expects($this->once())
|
||||
->method('file_exists')
|
||||
->with($this->equalTo('/files_encryption/keys/files/foo.txt/encModule/fileKey'))
|
||||
->willReturn(true);
|
||||
|
||||
$storage = new Storage('encModule', $this->view, $this->util);
|
||||
|
||||
$this->assertSame('key',
|
||||
$storage->getFileKey('user1/files/foo.txt', 'fileKey')
|
||||
);
|
||||
}
|
||||
|
||||
public function testSetSystemUserKey() {
|
||||
$this->view->expects($this->once())
|
||||
->method('file_put_contents')
|
||||
->with($this->equalTo('/files_encryption/encModule/shareKey_56884'),
|
||||
$this->equalTo('key'))
|
||||
->willReturn(strlen('key'));
|
||||
|
||||
$storage = new Storage('encModule', $this->view, $this->util);
|
||||
|
||||
$this->assertTrue(
|
||||
$storage->setSystemUserKey('shareKey_56884', 'key')
|
||||
);
|
||||
}
|
||||
|
||||
public function testSetUserKey() {
|
||||
$this->view->expects($this->once())
|
||||
->method('file_put_contents')
|
||||
->with($this->equalTo('/user1/files_encryption/encModule/user1.publicKey'),
|
||||
$this->equalTo('key'))
|
||||
->willReturn(strlen('key'));
|
||||
|
||||
$storage = new Storage('encModule', $this->view, $this->util);
|
||||
|
||||
$this->assertTrue(
|
||||
$storage->setUserKey('user1', 'publicKey', 'key')
|
||||
);
|
||||
}
|
||||
|
||||
public function testGetSystemUserKey() {
|
||||
$this->view->expects($this->once())
|
||||
->method('file_get_contents')
|
||||
->with($this->equalTo('/files_encryption/encModule/shareKey_56884'))
|
||||
->willReturn('key');
|
||||
$this->view->expects($this->once())
|
||||
->method('file_exists')
|
||||
->with($this->equalTo('/files_encryption/encModule/shareKey_56884'))
|
||||
->willReturn(true);
|
||||
|
||||
$storage = new Storage('encModule', $this->view, $this->util);
|
||||
|
||||
$this->assertSame('key',
|
||||
$storage->getSystemUserKey('shareKey_56884')
|
||||
);
|
||||
}
|
||||
|
||||
public function testGetUserKey() {
|
||||
$this->view->expects($this->once())
|
||||
->method('file_get_contents')
|
||||
->with($this->equalTo('/user1/files_encryption/encModule/user1.publicKey'))
|
||||
->willReturn('key');
|
||||
$this->view->expects($this->once())
|
||||
->method('file_exists')
|
||||
->with($this->equalTo('/user1/files_encryption/encModule/user1.publicKey'))
|
||||
->willReturn(true);
|
||||
|
||||
$storage = new Storage('encModule', $this->view, $this->util);
|
||||
|
||||
$this->assertSame('key',
|
||||
$storage->getUserKey('user1', 'publicKey')
|
||||
);
|
||||
}
|
||||
|
||||
public function testDeleteUserKey() {
|
||||
$this->view->expects($this->once())
|
||||
->method('unlink')
|
||||
->with($this->equalTo('/user1/files_encryption/encModule/user1.publicKey'))
|
||||
->willReturn(true);
|
||||
|
||||
$storage = new Storage('encModule', $this->view, $this->util);
|
||||
|
||||
$this->assertTrue(
|
||||
$storage->deleteUserKey('user1', 'publicKey')
|
||||
);
|
||||
}
|
||||
|
||||
public function testDeleteSystemUserKey() {
|
||||
$this->view->expects($this->once())
|
||||
->method('unlink')
|
||||
->with($this->equalTo('/files_encryption/encModule/shareKey_56884'))
|
||||
->willReturn(true);
|
||||
|
||||
$storage = new Storage('encModule', $this->view, $this->util);
|
||||
|
||||
$this->assertTrue(
|
||||
$storage->deleteSystemUserKey('shareKey_56884')
|
||||
);
|
||||
}
|
||||
|
||||
public function testDeleteFileKeySystemWide() {
|
||||
$this->util->expects($this->any())
|
||||
->method('getUidAndFilename')
|
||||
->willReturn(array('user1', '/files/foo.txt'));
|
||||
$this->util->expects($this->any())
|
||||
->method('stripPartialFileExtension')
|
||||
->willReturnArgument(0);
|
||||
$this->util->expects($this->any())
|
||||
->method('isSystemWideMountPoint')
|
||||
->willReturn(true);
|
||||
$this->view->expects($this->once())
|
||||
->method('unlink')
|
||||
->with($this->equalTo('/files_encryption/keys/files/foo.txt/encModule/fileKey'))
|
||||
->willReturn(true);
|
||||
|
||||
$storage = new Storage('encModule', $this->view, $this->util);
|
||||
|
||||
$this->assertTrue(
|
||||
$storage->deleteFileKey('user1/files/foo.txt', 'fileKey')
|
||||
);
|
||||
}
|
||||
|
||||
public function testDeleteFileKey() {
|
||||
$this->util->expects($this->any())
|
||||
->method('getUidAndFilename')
|
||||
->willReturn(array('user1', '/files/foo.txt'));
|
||||
$this->util->expects($this->any())
|
||||
->method('stripPartialFileExtension')
|
||||
->willReturnArgument(0);
|
||||
$this->util->expects($this->any())
|
||||
->method('isSystemWideMountPoint')
|
||||
->willReturn(false);
|
||||
$this->view->expects($this->once())
|
||||
->method('unlink')
|
||||
->with($this->equalTo('/user1/files_encryption/keys/files/foo.txt/encModule/fileKey'))
|
||||
->willReturn(true);
|
||||
|
||||
$storage = new Storage('encModule', $this->view, $this->util);
|
||||
|
||||
$this->assertTrue(
|
||||
$storage->deleteFileKey('user1/files/foo.txt', 'fileKey')
|
||||
);
|
||||
}
|
||||
|
||||
}
|
||||
114
tests/lib/encryption/managertest.php
Normal file
114
tests/lib/encryption/managertest.php
Normal file
|
|
@ -0,0 +1,114 @@
|
|||
<?php
|
||||
|
||||
namespace Test\Encryption;
|
||||
|
||||
use OC\Encryption\Manager;
|
||||
use Test\TestCase;
|
||||
|
||||
class ManagerTest extends TestCase {
|
||||
|
||||
public function testManagerIsDisabled() {
|
||||
$config = $this->getMock('\OCP\IConfig');
|
||||
$m = new Manager($config);
|
||||
$this->assertFalse($m->isEnabled());
|
||||
}
|
||||
|
||||
public function testManagerIsDisabledIfEnabledButNoModules() {
|
||||
$config = $this->getMock('\OCP\IConfig');
|
||||
$config->expects($this->any())->method('getAppValue')->willReturn(true);
|
||||
$m = new Manager($config);
|
||||
$this->assertFalse($m->isEnabled());
|
||||
}
|
||||
|
||||
public function testManagerIsDisabledIfDisabledButModules() {
|
||||
$config = $this->getMock('\OCP\IConfig');
|
||||
$config->expects($this->any())->method('getAppValue')->willReturn(false);
|
||||
$em = $this->getMock('\OCP\Encryption\IEncryptionModule');
|
||||
$em->expects($this->any())->method('getId')->willReturn(0);
|
||||
$em->expects($this->any())->method('getDisplayName')->willReturn('TestDummyModule0');
|
||||
$m = new Manager($config);
|
||||
$m->registerEncryptionModule($em);
|
||||
$this->assertFalse($m->isEnabled());
|
||||
}
|
||||
|
||||
public function testManagerIsEnabled() {
|
||||
$config = $this->getMock('\OCP\IConfig');
|
||||
$config->expects($this->any())->method('getSystemValue')->willReturn(true);
|
||||
$config->expects($this->any())->method('getAppValue')->willReturn('yes');
|
||||
$m = new Manager($config);
|
||||
$this->assertTrue($m->isEnabled());
|
||||
}
|
||||
|
||||
/**
|
||||
* @expectedException \OC\Encryption\Exceptions\ModuleAlreadyExistsException
|
||||
* @expectedExceptionMessage Id "0" already used by encryption module "TestDummyModule0"
|
||||
*/
|
||||
public function testModuleRegistration() {
|
||||
$config = $this->getMock('\OCP\IConfig');
|
||||
$config->expects($this->any())->method('getAppValue')->willReturn('yes');
|
||||
$em = $this->getMock('\OCP\Encryption\IEncryptionModule');
|
||||
$em->expects($this->any())->method('getId')->willReturn(0);
|
||||
$em->expects($this->any())->method('getDisplayName')->willReturn('TestDummyModule0');
|
||||
$m = new Manager($config);
|
||||
$m->registerEncryptionModule($em);
|
||||
$this->assertSame(1, count($m->getEncryptionModules()));
|
||||
$m->registerEncryptionModule($em);
|
||||
}
|
||||
|
||||
public function testModuleUnRegistration() {
|
||||
$config = $this->getMock('\OCP\IConfig');
|
||||
$config->expects($this->any())->method('getAppValue')->willReturn(true);
|
||||
$em = $this->getMock('\OCP\Encryption\IEncryptionModule');
|
||||
$em->expects($this->any())->method('getId')->willReturn(0);
|
||||
$em->expects($this->any())->method('getDisplayName')->willReturn('TestDummyModule0');
|
||||
$m = new Manager($config);
|
||||
$m->registerEncryptionModule($em);
|
||||
$this->assertSame(1,
|
||||
count($m->getEncryptionModules())
|
||||
);
|
||||
$m->unregisterEncryptionModule($em);
|
||||
$this->assertEmpty($m->getEncryptionModules());
|
||||
}
|
||||
|
||||
/**
|
||||
* @expectedException \OC\Encryption\Exceptions\ModuleDoesNotExistsException
|
||||
* @expectedExceptionMessage Module with id: unknown does not exists.
|
||||
*/
|
||||
public function testGetEncryptionModuleUnknown() {
|
||||
$config = $this->getMock('\OCP\IConfig');
|
||||
$config->expects($this->any())->method('getAppValue')->willReturn(true);
|
||||
$em = $this->getMock('\OCP\Encryption\IEncryptionModule');
|
||||
$em->expects($this->any())->method('getId')->willReturn(0);
|
||||
$em->expects($this->any())->method('getDisplayName')->willReturn('TestDummyModule0');
|
||||
$m = new Manager($config);
|
||||
$m->registerEncryptionModule($em);
|
||||
$this->assertSame(1, count($m->getEncryptionModules()));
|
||||
$m->getEncryptionModule('unknown');
|
||||
}
|
||||
|
||||
public function testGetEncryptionModule() {
|
||||
$config = $this->getMock('\OCP\IConfig');
|
||||
$config->expects($this->any())->method('getAppValue')->willReturn(true);
|
||||
$em = $this->getMock('\OCP\Encryption\IEncryptionModule');
|
||||
$em->expects($this->any())->method('getId')->willReturn(0);
|
||||
$em->expects($this->any())->method('getDisplayName')->willReturn('TestDummyModule0');
|
||||
$m = new Manager($config);
|
||||
$m->registerEncryptionModule($em);
|
||||
$this->assertSame(1, count($m->getEncryptionModules()));
|
||||
$en0 = $m->getEncryptionModule(0);
|
||||
$this->assertEquals(0, $en0->getId());
|
||||
}
|
||||
|
||||
public function testGetDefaultEncryptionModule() {
|
||||
$config = $this->getMock('\OCP\IConfig');
|
||||
$config->expects($this->any())->method('getAppValue')->willReturn(true);
|
||||
$em = $this->getMock('\OCP\Encryption\IEncryptionModule');
|
||||
$em->expects($this->any())->method('getId')->willReturn(0);
|
||||
$em->expects($this->any())->method('getDisplayName')->willReturn('TestDummyModule0');
|
||||
$m = new Manager($config);
|
||||
$m->registerEncryptionModule($em);
|
||||
$this->assertSame(1, count($m->getEncryptionModules()));
|
||||
$en0 = $m->getEncryptionModule(0);
|
||||
$this->assertEquals(0, $en0->getId());
|
||||
}
|
||||
}
|
||||
101
tests/lib/encryption/utiltest.php
Normal file
101
tests/lib/encryption/utiltest.php
Normal file
|
|
@ -0,0 +1,101 @@
|
|||
<?php
|
||||
|
||||
namespace Test\Encryption;
|
||||
|
||||
use OC\Encryption\Util;
|
||||
use Test\TestCase;
|
||||
|
||||
class UtilTest extends TestCase {
|
||||
|
||||
/**
|
||||
* block size will always be 8192 for a PHP stream
|
||||
* @see https://bugs.php.net/bug.php?id=21641
|
||||
* @var integer
|
||||
*/
|
||||
protected $headerSize = 8192;
|
||||
|
||||
/** @var \PHPUnit_Framework_MockObject_MockObject */
|
||||
protected $view;
|
||||
|
||||
/** @var \PHPUnit_Framework_MockObject_MockObject */
|
||||
protected $userManager;
|
||||
|
||||
public function setUp() {
|
||||
parent::setUp();
|
||||
$this->view = $this->getMockBuilder('OC\Files\View')
|
||||
->disableOriginalConstructor()
|
||||
->getMock();
|
||||
|
||||
$this->userManager = $this->getMockBuilder('OC\User\Manager')
|
||||
->disableOriginalConstructor()
|
||||
->getMock();
|
||||
}
|
||||
|
||||
/**
|
||||
* @dataProvider providesHeadersForEncryptionModule
|
||||
*/
|
||||
public function testGetEncryptionModuleId($expected, $header) {
|
||||
$u = new Util($this->view, $this->userManager);
|
||||
$id = $u->getEncryptionModuleId($header);
|
||||
$this->assertEquals($expected, $id);
|
||||
}
|
||||
|
||||
public function providesHeadersForEncryptionModule() {
|
||||
return [
|
||||
['', []],
|
||||
['', ['1']],
|
||||
[2, ['oc_encryption_module' => 2]],
|
||||
];
|
||||
}
|
||||
|
||||
/**
|
||||
* @dataProvider providesHeaders
|
||||
*/
|
||||
public function testReadHeader($header, $expected, $moduleId) {
|
||||
$expected['oc_encryption_module'] = $moduleId;
|
||||
$u = new Util($this->view, $this->userManager);
|
||||
$result = $u->readHeader($header);
|
||||
$this->assertSameSize($expected, $result);
|
||||
foreach ($expected as $key => $value) {
|
||||
$this->assertArrayHasKey($key, $result);
|
||||
$this->assertSame($value, $result[$key]);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @dataProvider providesHeaders
|
||||
*/
|
||||
public function testCreateHeader($expected, $header, $moduleId) {
|
||||
|
||||
$em = $this->getMock('\OCP\Encryption\IEncryptionModule');
|
||||
$em->expects($this->any())->method('getId')->willReturn($moduleId);
|
||||
|
||||
$u = new Util($this->view, $this->userManager);
|
||||
$result = $u->createHeader($header, $em);
|
||||
$this->assertEquals($expected, $result);
|
||||
}
|
||||
|
||||
public function providesHeaders() {
|
||||
return [
|
||||
[str_pad('HBEGIN:oc_encryption_module:0:HEND', $this->headerSize, '-', STR_PAD_RIGHT)
|
||||
, [], '0'],
|
||||
[str_pad('HBEGIN:oc_encryption_module:0:custom_header:foo:HEND', $this->headerSize, '-', STR_PAD_RIGHT)
|
||||
, ['custom_header' => 'foo'], '0'],
|
||||
];
|
||||
}
|
||||
|
||||
/**
|
||||
* @expectedException \OC\Encryption\Exceptions\EncryptionHeaderKeyExistsException
|
||||
*/
|
||||
public function testCreateHeaderFailed() {
|
||||
|
||||
$header = array('header1' => 1, 'header2' => 2, 'oc_encryption_module' => 'foo');
|
||||
|
||||
$em = $this->getMock('\OCP\Encryption\IEncryptionModule');
|
||||
$em->expects($this->any())->method('getId')->willReturn('moduleId');
|
||||
|
||||
$u = new Util($this->view, $this->userManager);
|
||||
$u->createHeader($header, $em);
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in a new issue