OC.router_base_url = OC.webroot + '/index.php';
OC.Router = {
// register your ajax requests to load after the loading of the routes
// has finished. otherwise you face problems with race conditions
registerLoadedCallback: function(callback){
if (!this.routes_request){
return;
}
this.routes_request.done(callback);
},
routes_request: !window.TESTING && $.ajax(OC.router_base_url + '/core/routes.json', {
dataType: 'json',
success: function(jsondata) {
if (jsondata.status === 'success') {
OC.Router.routes = jsondata.data;
}
}
}),
generate:function(name, opt_params) {
if (!('routes' in this)) {
if(this.routes_request.state() != 'resolved') {
console.warn('To avoid race conditions, please register a callback');// wait
}
}
if (!(name in this.routes)) {
throw new Error('The route "' + name + '" does not exist.');
}
var route = this.routes[name];
var params = opt_params || {};
var unusedParams = $.extend(true, {}, params);
var url = '';
var optional = true;
$(route.tokens).each(function(i, token) {
if ('text' === token[0]) {
url = token[1] + url;
optional = false;
return;
}
if ('variable' === token[0]) {
if (false === optional || !(token[3] pre { line-height: 125%; }
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.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */<?php
/**
* ownCloud
*
* @author Sam Tuke
* @copyright 2012 Sam Tuke samtuke@owncloud.org
*
* 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 OCA\Encryption;
use OC\Files\Filesystem;
/**
* Class for hook specific logic
*/
class Hooks {
// TODO: use passphrase for encrypting private key that is separate to
// the login password
/**
* @brief Startup encryption backend upon user login
* @note This method should never be called for users using client side encryption
*/
public static function login( $params ) {
// Manually initialise Filesystem{} singleton with correct
// fake root path, in order to avoid fatal webdav errors
// NOTE: disabled because this give errors on webdav!
//\OC\Files\Filesystem::init( $params['uid'], '/' . 'files' . '/' );
$view = new \OC_FilesystemView( '/' );
$util = new Util( $view, $params['uid'] );
// setup user, if user not ready force relogin
if(Helper::setupUser($util, $params['password']) === false) {
return false;
}
$encryptedKey = Keymanager::getPrivateKey( $view, $params['uid'] );
$privateKey = Crypt::symmetricDecryptFileContent( $encryptedKey, $params['password'] );
$session = new \OCA\Encryption\Session( $view );
$session->setPrivateKey( $privateKey, $params['uid'] );
// Check if first-run file migration has already been performed
$migrationCompleted = $util->getMigrationStatus();
// If migration not yet done
if ( ! $migrationCompleted ) {
$userView = new \OC_FilesystemView( '/' . $params['uid'] );
// Set legacy encryption key if it exists, to support
// depreciated encryption system
if (
$userView->file_exists( 'encryption.key' )
&& $encLegacyKey = $userView->file_get_contents( 'encryption.key' )
) {
$plainLegacyKey = Crypt::legacyBlockDecrypt( $encLegacyKey, $params['password'] );
$session->setLegacyKey( $plainLegacyKey );
}
// Encrypt existing user files:
// This serves to upgrade old versions of the encryption
// app (see appinfo/spec.txt)
if (
$util->encryptAll( '/' . $params['uid'] . '/' . 'files', $session->getLegacyKey(), $params['password'] )
) {
\OC_Log::write(
'Encryption library', 'Encryption of existing files belonging to "' . $params['uid'] . '" completed'
, \OC_Log::INFO
);
}
// Register successful migration in DB
$util->setMigrationStatus( 1 );
}
return true;
}
/**
* @brief setup encryption backend upon user created
* @note This method should never be called for users using client side encryption
*/
public static function postCreateUser( $params ) {
$view = new \OC_FilesystemView( '/' );
$util = new Util( $view, $params['uid'] );
Helper::setupUser($util, $params['password']);
}
/**
* @brief cleanup encryption backend upon user deleted
* @note This method should never be called for users using client side encryption
*/
public static function postDeleteUser( $params ) {
$view = new \OC_FilesystemView( '/' );
// cleanup public key
$publicKey = '/public-keys/' . $params['uid'] . '.public.key';
// Disable encryption proxy to prevent recursive calls
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = false;
$view->unlink($publicKey);
\OC_FileProxy::$enabled = $proxyStatus;
}
/**
* @brief Change a user's encryption passphrase
* @param array $params keys: uid, password
*/
public static function setPassphrase($params) {
// Only attempt to change passphrase if server-side encryption
// is in use (client-side encryption does not have access to
// the necessary keys)
if (Crypt::mode() == 'server') {
if ($params['uid'] == \OCP\User::getUser()) {
$view = new \OC_FilesystemView('/');
$session = new \OCA\Encryption\Session($view);
// Get existing decrypted private key
$privateKey = $session->getPrivateKey();
// Encrypt private key with new user pwd as passphrase
$encryptedPrivateKey = Crypt::symmetricEncryptFileContent($privateKey, $params['password']);
// Save private key
Keymanager::setPrivateKey($encryptedPrivateKey);
// NOTE: Session does not need to be updated as the
// private key has not changed, only the passphrase
// used to decrypt it has changed
} else { // admin changed the password for a different user, create new keys and reencrypt file keys
$user = $params['uid'];
$recoveryPassword = $params['recoveryPassword'];
$newUserPassword = $params['password'];
$view = new \OC_FilesystemView('/');
// make sure that the users home is mounted
\OC\Files\Filesystem::initMountPoints($user);
$keypair = Crypt::createKeypair();
// Disable encryption proxy to prevent recursive calls
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = false;
// Save public key
$view->file_put_contents( '/public-keys/'.$user.'.public.key', $keypair['publicKey'] );
// Encrypt private key empty passphrase
$encryptedPrivateKey = Crypt::symmetricEncryptFileContent( $keypair['privateKey'], $newUserPassword );
// Save private key
$view->file_put_contents( '/'.$user.'/files_encryption/'.$user.'.private.key', $encryptedPrivateKey );
if ( $recoveryPassword ) { // if recovery key is set we can re-encrypt the key files
$util = new Util($view, $user);
$util->recoverUsersFiles($recoveryPassword);
}
\OC_FileProxy::$enabled = $proxyStatus;
}
}
}
/*
* @brief check if files can be encrypted to every user.
*/
/**
* @param $params
*/
public static function preShared($params) {
$users = array();
$view = new \OC\Files\View('/public-keys/');
switch ($params['shareType']) {
case \OCP\Share::SHARE_TYPE_USER:
$users[] = $params['shareWith'];
break;
case \OCP\Share::SHARE_TYPE_GROUP:
$users = \OC_Group::usersInGroup($params['shareWith']);
break;
}
$error = false;
foreach ($users as $user) {
if (!$view->file_exists($user . '.public.key')) {
$error = true;
break;
}
}
if($error)
// Set flag var 'run' to notify emitting
// script that hook execution failed
$params['run']->run = false;
// TODO: Make sure files_sharing provides user
// feedback on failed share
}
/**
* @brief
*/
public static function postShared($params) {
// NOTE: $params has keys:
// [itemType] => file
// itemSource -> int, filecache file ID
// [parent] =>
// [itemTarget] => /13
// shareWith -> string, uid of user being shared to
// fileTarget -> path of file being shared
// uidOwner -> owner of the original file being shared
// [shareType] => 0
// [shareWith] => test1
// [uidOwner] => admin
// [permissions] => 17
// [fileSource] => 13
// [fileTarget] => /test8
// [id] => 10
// [token] =>
// [run] => whether emitting script should continue to run
// TODO: Should other kinds of item be encrypted too?
if ($params['itemType'] === 'file' || $params['itemType'] === 'folder') {
$view = new \OC_FilesystemView('/');
$session = new \OCA\Encryption\Session($view);
$userId = \OCP\User::getUser();
$util = new Util($view, $userId);
$path = $util->fileIdToPath($params['itemSource']);
$share = $util->getParentFromShare($params['id']);
//if parent is set, then this is a re-share action
if ($share['parent'] != null) {
// get the parent from current share
$parent = $util->getShareParent($params['parent']);
// if parent is file the it is an 1:1 share
if ($parent['item_type'] === 'file') {
// prefix path with Shared
$path = '/Shared' . $parent['file_target'];
} else {
// NOTE: parent is folder but shared was a file!
// we try to rebuild the missing path
// some examples we face here
// user1 share folder1 with user2 folder1 has
// the following structure
// /folder1/subfolder1/subsubfolder1/somefile.txt
// user2 re-share subfolder2 with user3
// user3 re-share somefile.txt user4
// so our path should be
// /Shared/subfolder1/subsubfolder1/somefile.txt
// while user3 is sharing
if ($params['itemType'] === 'file') {
// get target path
$targetPath = $util->fileIdToPath($params['fileSource']);
$targetPathSplit = array_reverse(explode('/', $targetPath));
// init values
$path = '';
$sharedPart = ltrim($parent['file_target'], '/');
// rebuild path
foreach ($targetPathSplit as $pathPart) {
if ($pathPart !== $sharedPart) {
$path = '/' . $pathPart . $path;
} else {
break;
}
}
// prefix path with Shared
$path = '/Shared' . $parent['file_target'] . $path;
} else {
// prefix path with Shared
$path = '/Shared' . $parent['file_target'] . $params['fileTarget'];
}
}
}
$sharingEnabled = \OCP\Share::isEnabled();
// if a folder was shared, get a list of all (sub-)folders
if ($params['itemType'] === 'folder') {
// get the path including mount point only if not a shared folder
if(strncmp($path, '/Shared' , strlen('/Shared') !== 0)) {
// get path including the the storage mount point
$path = $util->getPathWithMountPoint($params['itemSource']);
}
$allFiles = $util->getAllFiles($path);
} else {
$allFiles = array($path);
}
foreach ($allFiles as $path) {
$usersSharing = $util->getSharingUsersArray($sharingEnabled, $path);
$util->setSharedFileKeyfiles( $session, $usersSharing, $path );
}
}
}
/**
* @brief
*/
public static function postUnshare( $params ) {
// NOTE: $params has keys:
// [itemType] => file
// [itemSource] => 13
// [shareType] => 0
// [shareWith] => test1
// [itemParent] =>
if ( $params['itemType'] === 'file' || $params['itemType'] === 'folder' ) {
$view = new \OC_FilesystemView( '/' );
$userId = \OCP\User::getUser();
$util = new Util( $view, $userId);
$path = $util->fileIdToPath( $params['itemSource'] );
// check if this is a re-share
if ( $params['itemParent'] ) {
// get the parent from current share
$parent = $util->getShareParent( $params['itemParent'] );
// get target path
$targetPath = $util->fileIdToPath( $params['itemSource'] );
$targetPathSplit = array_reverse( explode( '/', $targetPath ) );
// init values
$path = '';
$sharedPart = ltrim( $parent['file_target'], '/' );
// rebuild path
foreach ( $targetPathSplit as $pathPart ) {
if ( $pathPart !== $sharedPart ) {
$path = '/' . $pathPart . $path;
} else {
break;
}
}
// prefix path with Shared
$path = '/Shared' . $parent['file_target'] . $path;
}
// for group shares get a list of the group members
if ( $params['shareType'] == \OCP\Share::SHARE_TYPE_GROUP ) {
$userIds = \OC_Group::usersInGroup($params['shareWith']);
} else if ( $params['shareType'] == \OCP\Share::SHARE_TYPE_LINK ){
$userIds = array( $util->getPublicShareKeyId() );
} else {
$userIds = array( $params['shareWith'] );
}
// if we unshare a folder we need a list of all (sub-)files
if ( $params['itemType'] === 'folder' ) {
// get the path including mount point only if not a shared folder
if(strncmp($path, '/Shared' , strlen('/Shared') !== 0)) {
// get path including the the storage mount point
$path = $util->getPathWithMountPoint($params['itemSource']);
}
$allFiles = $util->getAllFiles( $path );
} else {
$allFiles = array( $path );
}
foreach ( $allFiles as $path ) {
// check if the user still has access to the file, otherwise delete share key
$sharingUsers = $util->getSharingUsersArray( true, $path );
// Unshare every user who no longer has access to the file
$delUsers = array_diff( $userIds, $sharingUsers);
// delete share key
Keymanager::delShareKey( $view, $delUsers, $path );
}
}
}
/**
* @brief after a file is renamed, rename its keyfile and share-keys also fix the file size and fix also the sharing
* @param array with oldpath and newpath
*
* This function is connected to the rename signal of OC_Filesystem and adjust the name and location
* of the stored versions along the actual file
*/
public static function postRename($params) {
// Disable encryption proxy to prevent recursive calls
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = false;
$view = new \OC_FilesystemView('/');
$session = new \OCA\Encryption\Session($view);
$userId = \OCP\User::getUser();
$util = new Util( $view, $userId );
// Format paths to be relative to user files dir
$oldKeyfilePath = \OC\Files\Filesystem::normalizePath($userId . '/' . 'files_encryption' . '/' . 'keyfiles' . '/' . $params['oldpath']);
$newKeyfilePath = \OC\Files\Filesystem::normalizePath($userId . '/' . 'files_encryption' . '/' . 'keyfiles' . '/' . $params['newpath']);
// add key ext if this is not an folder
if (!$view->is_dir($oldKeyfilePath)) {
$oldKeyfilePath .= '.key';
$newKeyfilePath .= '.key';
// handle share-keys
$localKeyPath = $view->getLocalFile($userId.'/files_encryption/share-keys/'.$params['oldpath']);
$matches = glob(preg_quote($localKeyPath).'*.shareKey');
foreach ($matches as $src) {
$dst = \OC\Files\Filesystem::normalizePath(str_replace($params['oldpath'], $params['newpath'], $src));
// create destination folder if not exists
if(!file_exists(dirname($dst))) {
mkdir(dirname($dst), 0750, true);
}
rename($src, $dst);
}
} else {
// handle share-keys folders
$oldShareKeyfilePath = \OC\Files\Filesystem::normalizePath($userId . '/' . 'files_encryption' . '/' . 'share-keys' . '/' . $params['oldpath']);
$newShareKeyfilePath = \OC\Files\Filesystem::normalizePath($userId . '/' . 'files_encryption' . '/' . 'share-keys' . '/' . $params['newpath']);
// create destination folder if not exists
if(!$view->file_exists(dirname($newShareKeyfilePath))) {
$view->mkdir(dirname($newShareKeyfilePath), 0750, true);
}
$view->rename($oldShareKeyfilePath, $newShareKeyfilePath);
}
// Rename keyfile so it isn't orphaned
if($view->file_exists($oldKeyfilePath)) {
// create destination folder if not exists
if(!$view->file_exists(dirname($newKeyfilePath))) {
$view->mkdir(dirname($newKeyfilePath), 0750, true);
}
$view->rename($oldKeyfilePath, $newKeyfilePath);
}
// build the path to the file
$newPath = '/' . $userId . '/files' .$params['newpath'];
$newPathRelative = $params['newpath'];
if($util->fixFileSize($newPath)) {
// get sharing app state
$sharingEnabled = \OCP\Share::isEnabled();
// get users
$usersSharing = $util->getSharingUsersArray($sharingEnabled, $newPathRelative);
// update sharing-keys
$util->setSharedFileKeyfiles($session, $usersSharing, $newPathRelative);
}
\OC_FileProxy::$enabled = $proxyStatus;
}
}
