this was a migration step to ownCloud 8.0 to restructure the encryption folder which is no longer needed

Signed-off-by: Bjoern Schiessle <bjoern@schiessle.org>

5 files changed, 1 insertions, 537 deletions

diff --git a/apps/encryption/lib/AppInfo/Application.php b/apps/encryption/lib/AppInfo/Application.php
index da59169694b..55839e097a1 100644
--- a/apps/encryption/lib/AppInfo/Application.php
+++ b/apps/encryption/lib/AppInfo/Application.php
@@ -55,19 +55,12 @@ class Application extends \OCP\AppFramework\App {
 
 	/**
 	 * @param array $urlParams
-	 * @param bool $encryptionSystemReady
 	 */
-	public function __construct($urlParams = array(), $encryptionSystemReady = true) {
+	public function __construct($urlParams = array()) {
 		parent::__construct('encryption', $urlParams);
 		$this->encryptionManager = \OC::$server->getEncryptionManager();
 		$this->config = \OC::$server->getConfig();
 		$this->registerServices();
-		if($encryptionSystemReady === false) {
-			/** @var Session $session */
-			$session = $this->getContainer()->query('Session');
-			$session->setStatus(Session::RUN_MIGRATION);
-		}
-
 	}
 
 	public function setUp() {
diff --git a/apps/encryption/lib/Command/MigrateKeys.php b/apps/encryption/lib/Command/MigrateKeys.php
deleted file mode 100644
index 18eb6e710a6..00000000000
--- a/apps/encryption/lib/Command/MigrateKeys.php
+++ /dev/null
@@ -1,127 +0,0 @@
-<?php
-/**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Björn Schießle <bjoern@schiessle.org>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @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 OCA\Encryption\Command;
-
-use OC\Files\View;
-use OCA\Encryption\Migration;
-use OCP\IConfig;
-use OCP\IDBConnection;
-use OCP\ILogger;
-use OCP\IUserBackend;
-use OCP\IUserManager;
-use Symfony\Component\Console\Command\Command;
-use Symfony\Component\Console\Input\InputArgument;
-use Symfony\Component\Console\Input\InputInterface;
-use Symfony\Component\Console\Output\OutputInterface;
-
-class MigrateKeys extends Command {
-
-	/** @var IUserManager */
-	private $userManager;
-	/** @var View */
-	private $view;
-	/** @var IDBConnection */
-	private $connection;
-	/** @var IConfig */
-	private $config;
-	/** @var  ILogger */
-	private $logger;
-
-	/**
-	 * @param IUserManager $userManager
-	 * @param View $view
-	 * @param IDBConnection $connection
-	 * @param IConfig $config
-	 * @param ILogger $logger
-	 */
-	public function __construct(IUserManager $userManager,
-								View $view,
-								IDBConnection $connection,
-								IConfig $config,
-								ILogger $logger) {
-
-		$this->userManager = $userManager;
-		$this->view = $view;
-		$this->connection = $connection;
-		$this->config = $config;
-		$this->logger = $logger;
-		parent::__construct();
-	}
-
-	protected function configure() {
-		$this
-			->setName('encryption:migrate')
-			->setDescription('initial migration to encryption 2.0')
-			->addArgument(
-				'user_id',
-				InputArgument::OPTIONAL | InputArgument::IS_ARRAY,
-				'will migrate keys of the given user(s)'
-			);
-	}
-
-	protected function execute(InputInterface $input, OutputInterface $output) {
-
-		// perform system reorganization
-		$migration = new Migration($this->config, $this->view, $this->connection, $this->logger);
-
-		$users = $input->getArgument('user_id');
-		if (!empty($users)) {
-			foreach ($users as $user) {
-				if ($this->userManager->userExists($user)) {
-					$output->writeln("Migrating keys   <info>$user</info>");
-					$migration->reorganizeFolderStructureForUser($user);
-				} else {
-					$output->writeln("<error>Unknown user $user</error>");
-				}
-			}
-		} else {
-			$output->writeln("Reorganize system folder structure");
-			$migration->reorganizeSystemFolderStructure();
-			$migration->updateDB();
-			foreach($this->userManager->getBackends() as $backend) {
-				$name = get_class($backend);
-
-				if ($backend instanceof IUserBackend) {
-					$name = $backend->getBackendName();
-				}
-
-				$output->writeln("Migrating keys for users on backend <info>$name</info>");
-
-				$limit = 500;
-				$offset = 0;
-				do {
-					$users = $backend->getUsers('', $limit, $offset);
-					foreach ($users as $user) {
-						$output->writeln("   <info>$user</info>");
-						$migration->reorganizeFolderStructureForUser($user);
-					}
-					$offset += $limit;
-				} while(count($users) >= $limit);
-			}
-		}
-
-		$migration->finalCleanUp();
-
-	}
-}
diff --git a/apps/encryption/lib/Controller/StatusController.php b/apps/encryption/lib/Controller/StatusController.php
index b133d5b2e5b..fa88a35453e 100644
--- a/apps/encryption/lib/Controller/StatusController.php
+++ b/apps/encryption/lib/Controller/StatusController.php
@@ -73,12 +73,6 @@ class StatusController extends Controller {
 		$status = 'error';
 		$message = 'no valid init status';
 		switch( $this->session->getStatus()) {
-			case Session::RUN_MIGRATION:
-				$status = 'interactionNeeded';
-				$message = (string)$this->l->t(
-					'You need to migrate your encryption keys from the old encryption (ownCloud <= 8.0) to the new one. Please run \'occ encryption:migrate\' or contact your administrator'
-				);
-				break;
 			case Session::INIT_EXECUTED:
 				$status = 'interactionNeeded';
 				$message = (string)$this->l->t(
diff --git a/apps/encryption/lib/Migration.php b/apps/encryption/lib/Migration.php
deleted file mode 100644
index 35f35a1520c..00000000000
--- a/apps/encryption/lib/Migration.php
+++ /dev/null
@@ -1,395 +0,0 @@
-<?php
-/**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Björn Schießle <bjoern@schiessle.org>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Robin Appelman <robin@icewind.nl>
- *
- * @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 OCA\Encryption;
-
-
-use OC\Files\View;
-use OCP\App\IAppManager;
-use OCP\IConfig;
-use OCP\IDBConnection;
-use OCP\ILogger;
-
-class Migration {
-
-	private $moduleId;
-	/** @var \OC\Files\View */
-	private $view;
-	/** @var \OCP\IDBConnection */
-	private $connection;
-	/** @var IConfig */
-	private $config;
-	/** @var  ILogger */
-	private $logger;
-	/** @var string*/
-	protected $installedVersion;
-	/** @var IAppManager */
-	protected $appManager;
-
-	/**
-	 * @param IConfig $config
-	 * @param View $view
-	 * @param IDBConnection $connection
-	 * @param ILogger $logger
-	 */
-	public function __construct(IConfig $config, View $view, IDBConnection $connection, ILogger $logger, IAppManager $appManager) {
-		$this->view = $view;
-		$this->view->disableCacheUpdate();
-		$this->connection = $connection;
-		$this->moduleId = \OCA\Encryption\Crypto\Encryption::ID;
-		$this->config = $config;
-		$this->logger = $logger;
-		$this->installedVersion = $this->config->getAppValue('files_encryption', 'installed_version', '-1');
-		$this->appManager = $appManager;
-	}
-
-	public function finalCleanUp() {
-		$this->view->deleteAll('files_encryption/public_keys');
-		$this->updateFileCache();
-		$this->config->deleteAppValue('files_encryption', 'installed_version');
-	}
-
-	/**
-	 * update file cache, copy unencrypted_size to the 'size' column
-	 */
-	private function updateFileCache() {
-		// make sure that we don't update the file cache multiple times
-		// only update during the first run
-		if ($this->installedVersion !== '-1') {
-			$query = $this->connection->getQueryBuilder();
-			$query->update('filecache')
-				->set('size', 'unencrypted_size')
-				->where($query->expr()->eq('encrypted', $query->createParameter('encrypted')))
-				->setParameter('encrypted', 1);
-			$query->execute();
-		}
-	}
-
-	/**
-	 * iterate through users and reorganize the folder structure
-	 */
-	public function reorganizeFolderStructure() {
-		$this->reorganizeSystemFolderStructure();
-
-		$limit = 500;
-		$offset = 0;
-		do {
-			$users = \OCP\User::getUsers('', $limit, $offset);
-			foreach ($users as $user) {
-				$this->reorganizeFolderStructureForUser($user);
-			}
-			$offset += $limit;
-		} while (count($users) >= $limit);
-	}
-
-	/**
-	 * reorganize system wide folder structure
-	 */
-	public function reorganizeSystemFolderStructure() {
-
-		$this->createPathForKeys('/files_encryption');
-
-		// backup system wide folders
-		$this->backupSystemWideKeys();
-
-		// rename system wide mount point
-		$this->renameFileKeys('', '/files_encryption/keys');
-
-		// rename system private keys
-		$this->renameSystemPrivateKeys();
-
-		$storage = $this->view->getMount('')->getStorage();
-		$storage->getScanner()->scan('files_encryption');
-	}
-
-
-	/**
-	 * reorganize folder structure for user
-	 *
-	 * @param string $user
-	 */
-	public function reorganizeFolderStructureForUser($user) {
-		// backup all keys
-		\OC_Util::tearDownFS();
-		\OC_Util::setupFS($user);
-		if ($this->backupUserKeys($user)) {
-			// rename users private key
-			$this->renameUsersPrivateKey($user);
-			$this->renameUsersPublicKey($user);
-			// rename file keys
-			$path = '/files_encryption/keys';
-			$this->renameFileKeys($user, $path);
-			$trashPath = '/files_trashbin/keys';
-			if ($this->appManager->isEnabledForUser('files_trashbin') && $this->view->is_dir($user . '/' . $trashPath)) {
-				$this->renameFileKeys($user, $trashPath, true);
-				$this->view->deleteAll($trashPath);
-			}
-			// delete old folders
-			$this->deleteOldKeys($user);
-			$this->view->getMount('/' . $user)->getStorage()->getScanner()->scan('files_encryption');
-		}
-	}
-
-	/**
-	 * update database
-	 */
-	public function updateDB() {
-
-		// make sure that we don't update the file cache multiple times
-		// only update during the first run
-		if ($this->installedVersion === '-1') {
-			return;
-		}
-
-		// delete left-over from old encryption which is no longer needed
-		$this->config->deleteAppValue('files_encryption', 'ocsid');
-		$this->config->deleteAppValue('files_encryption', 'types');
-		$this->config->deleteAppValue('files_encryption', 'enabled');
-
-		$oldAppValues = $this->connection->getQueryBuilder();
-		$oldAppValues->select('*')
-			->from('appconfig')
-			->where($oldAppValues->expr()->eq('appid', $oldAppValues->createParameter('appid')))
-			->setParameter('appid', 'files_encryption');
-		$appSettings = $oldAppValues->execute();
-
-		while ($row = $appSettings->fetch()) {
-			// 'installed_version' gets deleted at the end of the migration process
-			if ($row['configkey'] !== 'installed_version' ) {
-				$this->config->setAppValue('encryption', $row['configkey'], $row['configvalue']);
-				$this->config->deleteAppValue('files_encryption', $row['configkey']);
-			}
-		}
-
-		$oldPreferences = $this->connection->getQueryBuilder();
-		$oldPreferences->select('*')
-			->from('preferences')
-			->where($oldPreferences->expr()->eq('appid', $oldPreferences->createParameter('appid')))
-			->setParameter('appid', 'files_encryption');
-		$preferenceSettings = $oldPreferences->execute();
-
-		while ($row = $preferenceSettings->fetch()) {
-			$this->config->setUserValue($row['userid'], 'encryption', $row['configkey'], $row['configvalue']);
-			$this->config->deleteUserValue($row['userid'], 'files_encryption', $row['configkey']);
-		}
-	}
-
-	/**
-	 * create backup of system-wide keys
-	 */
-	private function backupSystemWideKeys() {
-		$backupDir = 'encryption_migration_backup_' . date("Y-m-d_H-i-s");
-		$this->view->mkdir($backupDir);
-		$this->view->copy('files_encryption', $backupDir . '/files_encryption');
-	}
-
-	/**
-	 * create backup of user specific keys
-	 *
-	 * @param string $user
-	 * @return bool
-	 */
-	private function backupUserKeys($user) {
-		$encryptionDir = $user . '/files_encryption';
-		if ($this->view->is_dir($encryptionDir)) {
-			$backupDir = $user . '/encryption_migration_backup_' . date("Y-m-d_H-i-s");
-			$this->view->mkdir($backupDir);
-			$this->view->copy($encryptionDir, $backupDir);
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * rename system-wide private keys
-	 */
-	private function renameSystemPrivateKeys() {
-		$dh = $this->view->opendir('files_encryption');
-		$this->createPathForKeys('/files_encryption/' . $this->moduleId );
-		if (is_resource($dh)) {
-			while (($privateKey = readdir($dh)) !== false) {
-				if (!\OC\Files\Filesystem::isIgnoredDir($privateKey) ) {
-					if (!$this->view->is_dir('/files_encryption/' . $privateKey)) {
-						$this->view->rename('files_encryption/' . $privateKey, 'files_encryption/' . $this->moduleId . '/' . $privateKey);
-						$this->renameSystemPublicKey($privateKey);
-					}
-				}
-			}
-			closedir($dh);
-		}
-	}
-
-	/**
-	 * rename system wide public key
-	 *
-	 * @param string $privateKey private key for which we want to rename the corresponding public key
-	 */
-	private function renameSystemPublicKey($privateKey) {
-		$publicKey = substr($privateKey,0 , strrpos($privateKey, '.privateKey')) . '.publicKey';
-		$this->view->rename('files_encryption/public_keys/' . $publicKey, 'files_encryption/' . $this->moduleId . '/' . $publicKey);
-	}
-
-	/**
-	 * rename user-specific private keys
-	 *
-	 * @param string $user
-	 */
-	private function renameUsersPrivateKey($user) {
-		$oldPrivateKey = $user . '/files_encryption/' . $user . '.privateKey';
-		$newPrivateKey = $user . '/files_encryption/' . $this->moduleId . '/' . $user . '.privateKey';
-		if ($this->view->file_exists($oldPrivateKey)) {
-			$this->createPathForKeys(dirname($newPrivateKey));
-			$this->view->rename($oldPrivateKey, $newPrivateKey);
-		}
-	}
-
-	/**
-	 * rename user-specific public keys
-	 *
-	 * @param string $user
-	 */
-	private function renameUsersPublicKey($user) {
-		$oldPublicKey = '/files_encryption/public_keys/' . $user . '.publicKey';
-		$newPublicKey = $user . '/files_encryption/' . $this->moduleId . '/' . $user . '.publicKey';
-		if ($this->view->file_exists($oldPublicKey)) {
-			$this->createPathForKeys(dirname($newPublicKey));
-			$this->view->rename($oldPublicKey, $newPublicKey);
-		}
-	}
-
-	/**
-	 * rename file keys
-	 *
-	 * @param string $user
-	 * @param string $path
-	 * @param bool $trash
-	 */
-	private function renameFileKeys($user, $path, $trash = false) {
-
-		if ($this->view->is_dir($user . '/' . $path) === false) {
-			$this->logger->info('Skip dir /' . $user . '/' . $path . ': does not exist');
-			return;
-		}
-
-		$dh = $this->view->opendir($user . '/' . $path);
-
-		if (is_resource($dh)) {
-			while (($file = readdir($dh)) !== false) {
-				if (!\OC\Files\Filesystem::isIgnoredDir($file)) {
-					if ($this->view->is_dir($user . '/' . $path . '/' . $file)) {
-						$this->renameFileKeys($user, $path . '/' . $file, $trash);
-					} else {
-						$target = $this->getTargetDir($user, $path, $file, $trash);
-						if ($target !== false) {
-							$this->createPathForKeys(dirname($target));
-							$this->view->rename($user . '/' . $path . '/' . $file, $target);
-						} else {
-							$this->logger->warning(
-								'did not move key "' . $file
-								. '" could not find the corresponding file in /data/' . $user . '/files.'
-							. 'Most likely the key was already moved in a previous migration run and is already on the right place.');
-						}
-					}
-				}
-			}
-			closedir($dh);
-		}
-	}
-
-	/**
-	 * get system mount points
-	 * wrap static method so that it can be mocked for testing
-	 *
-	 * @internal
-	 * @return array
-	 */
-	protected function getSystemMountPoints() {
-		return \OC_Mount_Config::getSystemMountPoints();
-	}
-
-	/**
-	 * generate target directory
-	 *
-	 * @param string $user
-	 * @param string $keyPath
-	 * @param string $filename
-	 * @param bool $trash
-	 * @return string
-	 */
-	private function getTargetDir($user, $keyPath, $filename, $trash) {
-		if ($trash) {
-			$filePath = substr($keyPath, strlen('/files_trashbin/keys/'));
-			$targetDir = $user . '/files_encryption/keys/files_trashbin/' . $filePath . '/' . $this->moduleId . '/' . $filename;
-		} else {
-			$filePath = substr($keyPath, strlen('/files_encryption/keys/'));
-			$targetDir = $user . '/files_encryption/keys/files/' . $filePath . '/' . $this->moduleId . '/' . $filename;
-		}
-
-		if ($user === '') {
-			// for system wide mounts we need to check if the mount point really exists
-			$normalized = \OC\Files\Filesystem::normalizePath($filePath);
-			$systemMountPoints = $this->getSystemMountPoints();
-			foreach ($systemMountPoints as $mountPoint) {
-				$normalizedMountPoint = \OC\Files\Filesystem::normalizePath($mountPoint['mountpoint']) . '/';
-				if (strpos($normalized, $normalizedMountPoint) === 0)
-					return $targetDir;
-			}
-		} else if ($trash === false && $this->view->file_exists('/' . $user. '/files/' . $filePath)) {
-			return $targetDir;
-		} else if ($trash === true && $this->view->file_exists('/' . $user. '/files_trashbin/' . $filePath)) {
-				return $targetDir;
-			}
-
-		return false;
-	}
-
-	/**
-	 * delete old keys
-	 *
-	 * @param string $user
-	 */
-	private function deleteOldKeys($user) {
-		$this->view->deleteAll($user . '/files_encryption/keyfiles');
-		$this->view->deleteAll($user . '/files_encryption/share-keys');
-	}
-
-	/**
-	 * create directories for the keys recursively
-	 *
-	 * @param string $path
-	 */
-	private function createPathForKeys($path) {
-		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);
-				}
-			}
-		}
-	}
-}
diff --git a/apps/encryption/lib/Session.php b/apps/encryption/lib/Session.php
index c8f6ac6d0da..778d1f224ad 100644
--- a/apps/encryption/lib/Session.php
+++ b/apps/encryption/lib/Session.php
@@ -36,7 +36,6 @@ class Session {
 	const NOT_INITIALIZED = '0';
 	const INIT_EXECUTED = '1';
 	const INIT_SUCCESSFUL = '2';
-	const RUN_MIGRATION = '3';
 
 	/**
 	 * @param ISession $session