1 files changed, 0 insertions, 276 deletions

diff --git a/lib/private/encryption/decryptall.php b/lib/private/encryption/decryptall.php
deleted file mode 100644
index 7a965a5f227..00000000000
--- a/lib/private/encryption/decryptall.php
+++ /dev/null
@@ -1,276 +0,0 @@
-<?php
-/**
- * @author Björn Schießle <schiessle@owncloud.com>
- *
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program 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, version 3,
- * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *
- */
-
-
-namespace OC\Encryption;
-
-use OC\Encryption\Exceptions\DecryptionFailedException;
-use OC\Files\View;
-use \OCP\Encryption\IEncryptionModule;
-use OCP\IUserManager;
-use Symfony\Component\Console\Helper\ProgressBar;
-use Symfony\Component\Console\Input\InputInterface;
-use Symfony\Component\Console\Output\OutputInterface;
-
-class DecryptAll {
-
-	/** @var  OutputInterface */
-	protected $output;
-
-	/** @var  InputInterface */
-	protected $input;
-
-	/** @var  Manager */
-	protected $encryptionManager;
-
-	/** @var IUserManager */
-	protected $userManager;
-
-	/** @var View */
-	protected $rootView;
-
-	/** @var  array files which couldn't be decrypted */
-	protected $failed;
-
-	/**
-	 * @param Manager $encryptionManager
-	 * @param IUserManager $userManager
-	 * @param View $rootView
-	 */
-	public function __construct(
-		Manager $encryptionManager,
-		IUserManager $userManager,
-		View $rootView
-	) {
-		$this->encryptionManager = $encryptionManager;
-		$this->userManager = $userManager;
-		$this->rootView = $rootView;
-		$this->failed = [];
-	}
-
-	/**
-	 * start to decrypt all files
-	 *
-	 * @param InputInterface $input
-	 * @param OutputInterface $output
-	 * @param string $user which users data folder should be decrypted, default = all users
-	 * @return bool
-	 * @throws \Exception
-	 */
-	public function decryptAll(InputInterface $input, OutputInterface $output, $user = '') {
-
-		$this->input = $input;
-		$this->output = $output;
-
-		if (!empty($user) && $this->userManager->userExists($user) === false) {
-			$this->output->writeln('User "' . $user . '" does not exist. Please check the username and try again');
-			return false;
-		}
-
-		$this->output->writeln('prepare encryption modules...');
-		if ($this->prepareEncryptionModules($user) === false) {
-			return false;
-		}
-		$this->output->writeln(' done.');
-
-		$this->decryptAllUsersFiles($user);
-
-		if (empty($this->failed)) {
-			$this->output->writeln('all files could be decrypted successfully!');
-		} else {
-			$this->output->writeln('Files for following users couldn\'t be decrypted, ');
-			$this->output->writeln('maybe the user is not set up in a way that supports this operation: ');
-			foreach ($this->failed as $uid => $paths) {
-				$this->output->writeln('    ' . $uid);
-			}
-			$this->output->writeln('');
-		}
-
-		return true;
-	}
-
-	/**
-	 * prepare encryption modules to perform the decrypt all function
-	 *
-	 * @param $user
-	 * @return bool
-	 */
-	protected function prepareEncryptionModules($user) {
-		// prepare all encryption modules for decrypt all
-		$encryptionModules = $this->encryptionManager->getEncryptionModules();
-		foreach ($encryptionModules as $moduleDesc) {
-			/** @var IEncryptionModule $module */
-			$module = call_user_func($moduleDesc['callback']);
-			$this->output->writeln('');
-			$this->output->writeln('Prepare "' . $module->getDisplayName() . '"');
-			$this->output->writeln('');
-			if ($module->prepareDecryptAll($this->input, $this->output, $user) === false) {
-				$this->output->writeln('Module "' . $moduleDesc['displayName'] . '" does not support the functionality to decrypt all files again or the initialization of the module failed!');
-				return false;
-			}
-		}
-
-		return true;
-	}
-
-	/**
-	 * iterate over all user and encrypt their files
-	 * @param string $user which users files should be decrypted, default = all users
-	 */
-	protected function decryptAllUsersFiles($user = '') {
-
-		$this->output->writeln("\n");
-
-		$userList = [];
-		if (empty($user)) {
-
-			$fetchUsersProgress = new ProgressBar($this->output);
-			$fetchUsersProgress->setFormat(" %message% \n [%bar%]");
-			$fetchUsersProgress->start();
-			$fetchUsersProgress->setMessage("Fetch list of users...");
-			$fetchUsersProgress->advance();
-
-			foreach ($this->userManager->getBackends() as $backend) {
-				$limit = 500;
-				$offset = 0;
-				do {
-					$users = $backend->getUsers('', $limit, $offset);
-					foreach ($users as $user) {
-						$userList[] = $user;
-					}
-					$offset += $limit;
-					$fetchUsersProgress->advance();
-				} while (count($users) >= $limit);
-				$fetchUsersProgress->setMessage("Fetch list of users... finished");
-				$fetchUsersProgress->finish();
-			}
-		} else {
-			$userList[] = $user;
-		}
-
-		$this->output->writeln("\n\n");
-
-		$progress = new ProgressBar($this->output);
-		$progress->setFormat(" %message% \n [%bar%]");
-		$progress->start();
-		$progress->setMessage("starting to decrypt files...");
-		$progress->advance();
-
-		$numberOfUsers = count($userList);
-		$userNo = 1;
-		foreach ($userList as $uid) {
-			$userCount = "$uid ($userNo of $numberOfUsers)";
-			$this->decryptUsersFiles($uid, $progress, $userCount);
-			$userNo++;
-		}
-
-		$progress->setMessage("starting to decrypt files... finished");
-		$progress->finish();
-
-		$this->output->writeln("\n\n");
-
-	}
-
-	/**
-	 * encrypt files from the given user
-	 *
-	 * @param string $uid
-	 * @param ProgressBar $progress
-	 * @param string $userCount
-	 */
-	protected function decryptUsersFiles($uid, ProgressBar $progress, $userCount) {
-
-		$this->setupUserFS($uid);
-		$directories = array();
-		$directories[] =  '/' . $uid . '/files';
-
-		while($root = array_pop($directories)) {
-			$content = $this->rootView->getDirectoryContent($root);
-			foreach ($content as $file) {
-				$path = $root . '/' . $file['name'];
-				if ($this->rootView->is_dir($path)) {
-					$directories[] = $path;
-					continue;
-				} else {
-					try {
-						$progress->setMessage("decrypt files for user $userCount: $path");
-						$progress->advance();
-						if ($this->decryptFile($path) === false) {
-							$progress->setMessage("decrypt files for user $userCount: $path (already decrypted)");
-							$progress->advance();
-						}
-					} catch (\Exception $e) {
-						if (isset($this->failed[$uid])) {
-							$this->failed[$uid][] = $path;
-						} else {
-							$this->failed[$uid] = [$path];
-						}
-					}
-				}
-			}
-		}
-	}
-
-	/**
-	 * encrypt file
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	protected function decryptFile($path) {
-
-		$source = $path;
-		$target = $path . '.decrypted.' . $this->getTimestamp();
-
-		try {
-			$this->rootView->copy($source, $target);
-			$this->rootView->rename($target, $source);
-		} catch (DecryptionFailedException $e) {
-			if ($this->rootView->file_exists($target)) {
-				$this->rootView->unlink($target);
-			}
-			return false;
-		}
-
-		return true;
-	}
-
-	/**
-	 * get current timestamp
-	 *
-	 * @return int
-	 */
-	protected function getTimestamp() {
-		return time();
-	}
-
-
-	/**
-	 * setup user file system
-	 *
-	 * @param string $uid
-	 */
-	protected function setupUserFS($uid) {
-		\OC_Util::tearDownFS();
-		\OC_Util::setupFS($uid);
-	}
-
-}