mbk-lab
/
nextcloud
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

code optimized and cleaned up unused vars

This commit is contained in:
Florin Peter 2013-05-31 16:52:33 +02:00
parent e9d1ea712c
commit a134ffcf2c
1 changed files with 47 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

70
apps/files_encryption/lib/stream.php
View File

@ -56,18 +56,21 @@ class Stream {
private $relPath; // rel path to users file dir
private $userId;
private $handle; // Resource returned by fopen
private $path;
private $readBuffer; // For streams that dont support seeking
private $meta = array(); // Header / meta for source stream
private $count;
private $writeCache;
private $size;
private $unencryptedSize;
private $publicKey;
private $keyfile;
private $encKeyfile;
private static $view; // a fsview object set to user dir
/**
* @var \OC\Files\View
*/
private $rootView; // a fsview object set to '/'
/**
* @var \OCA\Encryption\Session
*/
private $session;
private $privateKey;
/**
* @param $path
@ -82,6 +85,10 @@ class Stream {
$this->rootView = new \OC_FilesystemView('/');
}
$this->session = new \OCA\Encryption\Session($this->rootView);
$this->privateKey = $this->session->getPrivateKey($this->userId);
$util = new Util($this->rootView, \OCP\USER::getUser());
$this->userId = $util->getUserId();
@ -229,17 +236,14 @@ class Stream {
// If a keyfile already exists
if ($this->encKeyfile) {
$session = new \OCA\Encryption\Session( $this->rootView );
$privateKey = $session->getPrivateKey($this->userId);
// if there is no valid private key return false
if($privateKey === false) {
if ($this->privateKey === false) {
if(\OC_Util::isCallRegistered()) {
if (\OC_Util::isCallRegistered()) {
$l = \OC_L10N::get('core');
\OCP\JSON::error(array('data' => array('message' => $l->t('Private key is not valid! Maybe the user password was changed from outside if so please change it back to gain access'))));
throw new \Exception('Private key for user "' . $this->userId . '" is not valid! Maybe the user password was changed from outside if so please change it back to gain access');
throw new \Exception('Private key for user "' . $this->userId
. '" is not valid! Maybe the user password was changed from outside if so please change it back to gain access');
}
return false;
@ -247,7 +251,7 @@ class Stream {
$shareKey = Keymanager::getShareKey($this->rootView, $this->userId, $this->relPath);
$this->plainKey = Crypt::multiKeyDecrypt($this->encKeyfile, $shareKey, $privateKey);
$this->plainKey = Crypt::multiKeyDecrypt($this->encKeyfile, $shareKey, $this->privateKey);
return true;
@ -270,6 +274,12 @@ class Stream {
*/
public function stream_write($data) {
// if there is no valid private key return false
if ($this->privateKey === false) {
$this->size = 0;
return strlen($data);
}
// Disable the file proxies so that encryption is not
// automatically attempted when the file is written to disk -
// we are handling that separately here and we don't want to
@ -437,19 +447,33 @@ class Stream {
$this->flush();
$view = new \OC_FilesystemView('/');
$session = new \OCA\Encryption\Session( $this->rootView );
$privateKey = $session->getPrivateKey($this->userId);
// if there is no valid private key return false
if($privateKey === false) {
if ($this->privateKey === false) {
if(\OC_Util::isCallRegistered()) {
if (\OC_Util::isCallRegistered()) {
$l = \OC_L10N::get('core');
\OCP\JSON::error(array('data' => array('message' => $l->t('Private key is not valid! Maybe the user password was changed from outside if so please change it back to gain access'))));
throw new \Exception('Private key for user "' . $this->userId . '" is not valid! Maybe the user password was changed from outside if so please change it back to gain access');
// cleanup
if ($this->meta['mode'] !== 'r' && $this->meta['mode'] !== 'rb') {
// Disable encryption proxy to prevent recursive calls
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = false;
if ($this->rootView->file_exists($this->rawPath) && $this->size === 0) {
$this->rootView->unlink($this->rawPath);
}
// Re-enable proxy - our work is done
\OC_FileProxy::$enabled = $proxyStatus;
}
throw new \Exception('Private key for user "' . $this->userId
. '" is not valid! Maybe the user password was changed from outside if so please change it back to gain access');
}
return false;
}
@ -483,10 +507,10 @@ class Stream {
Keymanager::setFileKey($this->rootView, $this->relPath, $this->userId, $this->encKeyfiles['data']);
// Save the sharekeys
Keymanager::setShareKeys($view, $this->relPath, $this->encKeyfiles['keys']);
Keymanager::setShareKeys($this->rootView, $this->relPath, $this->encKeyfiles['keys']);
// get file info
$fileInfo = $view->getFileInfo($this->rawPath);
$fileInfo = $this->rootView->getFileInfo($this->rawPath);
if (!is_array($fileInfo)) {
$fileInfo = array();
}
@ -500,7 +524,7 @@ class Stream {
$fileInfo['unencrypted_size'] = $this->unencryptedSize;
// set fileinfo
$view->putFileInfo($this->rawPath, $fileInfo);
$this->rootView->putFileInfo($this->rawPath, $fileInfo);
}
return fclose($this->handle);