예제 #1
0
파일: hooks.php 프로젝트: hjimmy/owncloud
 /**
  * after a file is renamed/copied, rename/copy its keyfile and share-keys also fix the file size and fix also the sharing
  *
  * @param array $params array with oldpath and newpath
  */
 public static function postRenameOrCopy($params)
 {
     if (\OCP\App::isEnabled('files_encryption') === false) {
         return true;
     }
     // Disable encryption proxy to prevent recursive calls
     $proxyStatus = \OC_FileProxy::$enabled;
     \OC_FileProxy::$enabled = false;
     $view = new \OC_FilesystemView('/');
     $userId = \OCP\User::getUser();
     $util = new Util($view, $userId);
     if (isset(self::$renamedFiles[$params['oldpath']]['uid']) && isset(self::$renamedFiles[$params['oldpath']]['path'])) {
         $ownerOld = self::$renamedFiles[$params['oldpath']]['uid'];
         $pathOld = self::$renamedFiles[$params['oldpath']]['path'];
         $type = self::$renamedFiles[$params['oldpath']]['type'];
         $operation = self::$renamedFiles[$params['oldpath']]['operation'];
         unset(self::$renamedFiles[$params['oldpath']]);
     } else {
         \OCP\Util::writeLog('Encryption library', "can't get path and owner from the file before it was renamed", \OCP\Util::DEBUG);
         \OC_FileProxy::$enabled = $proxyStatus;
         return false;
     }
     list($ownerNew, $pathNew) = $util->getUidAndFilename($params['newpath']);
     // Format paths to be relative to user files dir
     if ($util->isSystemWideMountPoint($pathOld)) {
         $oldKeyfilePath = 'files_encryption/keyfiles/' . $pathOld;
         $oldShareKeyPath = 'files_encryption/share-keys/' . $pathOld;
     } else {
         $oldKeyfilePath = $ownerOld . '/' . 'files_encryption/keyfiles/' . $pathOld;
         $oldShareKeyPath = $ownerOld . '/' . 'files_encryption/share-keys/' . $pathOld;
     }
     if ($util->isSystemWideMountPoint($pathNew)) {
         $newKeyfilePath = 'files_encryption/keyfiles/' . $pathNew;
         $newShareKeyPath = 'files_encryption/share-keys/' . $pathNew;
     } else {
         $newKeyfilePath = $ownerNew . '/files_encryption/keyfiles/' . $pathNew;
         $newShareKeyPath = $ownerNew . '/files_encryption/share-keys/' . $pathNew;
     }
     // add key ext if this is not an folder
     if ($type === 'file') {
         $oldKeyfilePath .= '.key';
         $newKeyfilePath .= '.key';
         // create destination folder if not exists
         $localKeyPath = $view->getLocalFile($oldShareKeyPath);
         $newLocalKeyPath = \OC\Files\Filesystem::normalizePath(str_replace($pathOld, $pathNew, $localKeyPath));
         if (!file_exists(dirname($newLocalKeyPath))) {
             mkdir(dirname($newLocalKeyPath), 0750, true);
         }
         // handle share-keys
         $matches = Helper::findShareKeys($pathOld, $oldShareKeyPath, $view);
         if (count($matches) === 0) {
             \OC_Log::write('Encryption library', 'No share keys found for "' . $pathOld . '"', \OC_Log::WARN);
         }
         foreach ($matches as $src) {
             $dst = \OC\Files\Filesystem::normalizePath(str_replace($pathOld, $pathNew, $src));
             $view->{$operation}($src, $dst);
         }
     } else {
         // handle share-keys folders
         // create destination folder if not exists
         if (!$view->file_exists(dirname($newShareKeyPath))) {
             mkdir($view->getLocalFile($newShareKeyPath), 0750, true);
         }
         $view->{$operation}($oldShareKeyPath, $newShareKeyPath);
     }
     // Rename keyfile so it isn't orphaned
     if ($view->file_exists($oldKeyfilePath)) {
         // create destination folder if not exists
         if (!$view->file_exists(dirname($newKeyfilePath))) {
             mkdir(dirname($view->getLocalFile($newKeyfilePath)), 0750, true);
         }
         $view->{$operation}($oldKeyfilePath, $newKeyfilePath);
     }
     // build the path to the file
     $newPath = '/' . $ownerNew . '/files' . $pathNew;
     // update sharing-keys
     self::updateKeyfiles($params['newpath'], $type);
     \OC_FileProxy::$enabled = $proxyStatus;
 }
예제 #2
0
 /**
  * @brief after a file is renamed, rename its keyfile and share-keys also fix the file size and fix also the sharing
  * @param array with oldpath and newpath
  *
  * This function is connected to the rename signal of OC_Filesystem and adjust the name and location
  * of the stored versions along the actual file
  */
 public static function postRename($params)
 {
     if (\OCP\App::isEnabled('files_encryption') === false) {
         return true;
     }
     // 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, $userId);
     // Format paths to be relative to user files dir
     if ($util->isSystemWideMountPoint($params['oldpath'])) {
         $baseDir = 'files_encryption/';
         $oldKeyfilePath = $baseDir . 'keyfiles/' . $params['oldpath'];
     } else {
         $baseDir = $userId . '/' . 'files_encryption/';
         $oldKeyfilePath = $baseDir . 'keyfiles/' . $params['oldpath'];
     }
     if ($util->isSystemWideMountPoint($params['newpath'])) {
         $newKeyfilePath = $baseDir . 'keyfiles/' . $params['newpath'];
     } else {
         $newKeyfilePath = $baseDir . '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 = $view->getLocalFile($baseDir . 'share-keys/' . $params['oldpath']);
         $escapedPath = Helper::escapeGlobPattern($localKeyPath);
         $matches = glob($escapedPath . '*.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 = $baseDir . 'share-keys/' . $params['oldpath'];
         $newShareKeyfilePath = $baseDir . '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;
 }
예제 #3
0
 /**
  * retrieve shareKey for an encrypted file
  * @param \OC\Files\View $view
  * @param string $userId
  * @param \OCA\Encryption\Util $util
  * @param string $filePath
  * @return string file key or false
  * @note The sharekey returned is encrypted. Decryption
  * of the keyfile must be performed by client code
  */
 public static function getShareKey(\OC\Files\View $view, $userId, $util, $filePath)
 {
     // try reusing key file if part file
     $proxyStatus = \OC_FileProxy::$enabled;
     \OC_FileProxy::$enabled = false;
     list($owner, $filename) = $util->getUidAndFilename($filePath);
     $filename = Helper::stripPartialFileExtension($filename);
     // in case of system wide mount points the keys are stored directly in the data directory
     if ($util->isSystemWideMountPoint($filename)) {
         $shareKeyPath = '/files_encryption/share-keys/' . $filename . '.' . $userId . '.shareKey';
     } else {
         $shareKeyPath = '/' . $owner . '/files_encryption/share-keys/' . $filename . '.' . $userId . '.shareKey';
     }
     if ($view->file_exists($shareKeyPath)) {
         $result = $view->file_get_contents($shareKeyPath);
     } else {
         $result = false;
     }
     \OC_FileProxy::$enabled = $proxyStatus;
     return $result;
 }
예제 #4
0
 /**
  * after a file is renamed, rename its keyfile and share-keys also fix the file size and fix also the sharing
  * @param array $params array with oldpath and newpath
  *
  * This function is connected to the rename signal of OC_Filesystem and adjust the name and location
  * of the stored versions along the actual file
  */
 public static function postRename($params)
 {
     if (\OCP\App::isEnabled('files_encryption') === false) {
         return true;
     }
     // Disable encryption proxy to prevent recursive calls
     $proxyStatus = \OC_FileProxy::$enabled;
     \OC_FileProxy::$enabled = false;
     $view = new \OC\Files\View('/');
     $session = new \OCA\Encryption\Session($view);
     $userId = \OCP\User::getUser();
     $util = new Util($view, $userId);
     if (isset(self::$renamedFiles[$params['oldpath']]['uid']) && isset(self::$renamedFiles[$params['oldpath']]['path'])) {
         $ownerOld = self::$renamedFiles[$params['oldpath']]['uid'];
         $pathOld = self::$renamedFiles[$params['oldpath']]['path'];
     } else {
         \OCP\Util::writeLog('Encryption library', "can't get path and owner from the file before it was renamed", \OCP\Util::DEBUG);
         return false;
     }
     list($ownerNew, $pathNew) = $util->getUidAndFilename($params['newpath']);
     // Format paths to be relative to user files dir
     if ($util->isSystemWideMountPoint($pathOld)) {
         $oldKeyfilePath = 'files_encryption/keyfiles/' . $pathOld;
         $oldShareKeyPath = 'files_encryption/share-keys/' . $pathOld;
     } else {
         $oldKeyfilePath = $ownerOld . '/' . 'files_encryption/keyfiles/' . $pathOld;
         $oldShareKeyPath = $ownerOld . '/' . 'files_encryption/share-keys/' . $pathOld;
     }
     if ($util->isSystemWideMountPoint($pathNew)) {
         $newKeyfilePath = 'files_encryption/keyfiles/' . $pathNew;
         $newShareKeyPath = 'files_encryption/share-keys/' . $pathNew;
     } else {
         $newKeyfilePath = $ownerNew . '/files_encryption/keyfiles/' . $pathNew;
         $newShareKeyPath = $ownerNew . '/files_encryption/share-keys/' . $pathNew;
     }
     // create new key folders if it doesn't exists
     if (!$view->file_exists(dirname($newShareKeyPath))) {
         $view->mkdir(dirname($newShareKeyPath));
     }
     if (!$view->file_exists(dirname($newKeyfilePath))) {
         $view->mkdir(dirname($newKeyfilePath));
     }
     // handle share keys
     if (!$view->is_dir($oldKeyfilePath)) {
         $oldKeyfilePath .= '.key';
         $newKeyfilePath .= '.key';
         // handle share-keys
         $matches = Helper::findShareKeys($oldShareKeyPath, $view);
         foreach ($matches as $src) {
             $dst = \OC\Files\Filesystem::normalizePath(str_replace($pathOld, $pathNew, $src));
             $view->rename($src, $dst);
         }
     } else {
         // handle share-keys folders
         $view->rename($oldShareKeyPath, $newShareKeyPath);
     }
     // Rename keyfile so it isn't orphaned
     if ($view->file_exists($oldKeyfilePath)) {
         $view->rename($oldKeyfilePath, $newKeyfilePath);
     }
     // update share keys
     $sharingEnabled = \OCP\Share::isEnabled();
     // get users
     $usersSharing = $util->getSharingUsersArray($sharingEnabled, $pathNew);
     // update sharing-keys
     $util->setSharedFileKeyfiles($session, $usersSharing, $pathNew);
     \OC_FileProxy::$enabled = $proxyStatus;
 }