Remove OC_Migrate

This is unused legacy code. Let it die with ~~~honor~~ fire.

Fixes https://github.com/owncloud/core/issues/12346

4 files changed, 0 insertions, 1022 deletions

diff --git a/lib/private/migrate.php b/lib/private/migrate.php
deleted file mode 100644
index 8351155aa55..00000000000
--- a/lib/private/migrate.php
+++ /dev/null
@@ -1,626 +0,0 @@
-<?php
-/**
- * ownCloud
- *
- * @author Tom Needham
- * @copyright 2012 Tom Needham tom@owncloud.com
- *
- * 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/>.
- *
- */
-
-
-/**
- * provides an interface to migrate users and whole ownclouds
- */
-class OC_Migrate{
-
-
-	// Array of OC_Migration_Provider objects
-	static private $providers=array();
-	// User id of the user to import/export
-	static private $uid=false;
-	// Holds the ZipArchive object
-	static private $zip=false;
-	// Stores the type of export
-	static private $exporttype=false;
-	// Holds the db object
-	static private $migration_database=false;
-	// Path to the sqlite db
-	static private $dbpath=false;
-	// Holds the path to the zip file
-	static private $zippath=false;
-	// Holds the OC_Migration_Content object
-	static private $content=false;
-
-	/**
-	 * register a new migration provider
-	 * @param OC_Migration_Provider $provider
-	 */
-	public static function registerProvider($provider) {
-		self::$providers[]=$provider;
-	}
-
-	/**
-	* finds and loads the providers
-	*/
-	static private function findProviders() {
-		// Find the providers
-		$apps = OC_App::getAllApps();
-
-		foreach($apps as $app) {
-			$path = OC_App::getAppPath($app) . '/appinfo/migrate.php';
-			if( file_exists( $path ) ) {
-				include_once $path;
-			}
-		}
-	}
-
-	/**
-	 * exports a user, or owncloud instance
-	 * @param string $uid user id of user to export if export type is user, defaults to current
-	 * @param string $type type of export, defualts to user
-	 * @param string $path path to zip output folder
-	 * @return string on error, path to zip on success
-	 */
-	public static function export( $uid=null, $type='user', $path=null ) {
-		$datadir = OC_Config::getValue( 'datadirectory' );
-		// Validate export type
-		$types = array( 'user', 'instance', 'system', 'userfiles' );
-		if( !in_array( $type, $types ) ) {
-			OC_Log::write( 'migration', 'Invalid export type', OC_Log::ERROR );
-			return json_encode( array( 'success' => false )  );
-		}
-		self::$exporttype = $type;
-		// Userid?
-		if( self::$exporttype == 'user' ) {
-			// Check user exists
-			self::$uid = is_null($uid) ? OC_User::getUser() : $uid;
-			if(!OC_User::userExists(self::$uid)) {
-				return json_encode( array( 'success' => false) );
-			}
-		}
-		// Calculate zipname
-		if( self::$exporttype == 'user' ) {
-			$zipname = 'oc_export_' . self::$uid . '_' . date("y-m-d_H-i-s") . '.zip';
-		} else {
-			$zipname = 'oc_export_' . self::$exporttype . '_' . date("y-m-d_H-i-s") . '.zip';
-		}
-		// Calculate path
-		if( self::$exporttype == 'user' ) {
-			self::$zippath = $datadir . '/' . self::$uid . '/' . $zipname;
-		} else {
-			if( !is_null( $path ) ) {
-				// Validate custom path
-				if( !file_exists( $path ) || !is_writeable( $path ) ) {
-					OC_Log::write( 'migration', 'Path supplied is invalid.', OC_Log::ERROR );
-					return json_encode( array( 'success' => false ) );
-				}
-				self::$zippath = $path . $zipname;
-			} else {
-				// Default path
-				self::$zippath = get_temp_dir() . '/' . $zipname;
-			}
-		}
-		// Create the zip object
-		if( !self::createZip() ) {
-			return json_encode( array( 'success' => false ) );
-		}
-		// Do the export
-		self::findProviders();
-		$exportdata = array();
-		switch( self::$exporttype ) {
-			case 'user':
-				// Connect to the db
-				self::$dbpath = $datadir . '/' . self::$uid . '/migration.db';
-				if( !self::connectDB() ) {
-					return json_encode( array( 'success' => false ) );
-				}
-				self::$content = new OC_Migration_Content( self::$zip, self::$migration_database );
-				// Export the app info
-				$exportdata = self::exportAppData();
-				// Add the data dir to the zip
-				self::$content->addDir(OC_User::getHome(self::$uid), true, '/' );
-				break;
-			case 'instance':
-				self::$content = new OC_Migration_Content( self::$zip );
-				// Creates a zip that is compatable with the import function
-				$dbfile = tempnam( get_temp_dir(), "owncloud_export_data_" );
-				OC_DB::getDbStructure( $dbfile, 'MDB2_SCHEMA_DUMP_ALL');
-
-				// Now add in *dbname* and *dbprefix*
-				$dbexport = file_get_contents( $dbfile );
-				$dbnamestring = "<database>\n\n <name>" . OC_Config::getValue( "dbname", "owncloud" );
-				$dbtableprefixstring = "<table>\n\n  <name>" . OC_Config::getValue( "dbtableprefix", "oc_" );
-				$dbexport = str_replace( $dbnamestring, "<database>\n\n <name>*dbname*", $dbexport );
-				$dbexport = str_replace( $dbtableprefixstring, "<table>\n\n  <name>*dbprefix*", $dbexport );
-				// Add the export to the zip
-				self::$content->addFromString( $dbexport, "dbexport.xml" );
-				// Add user data
-				foreach(OC_User::getUsers() as $user) {
-					self::$content->addDir(OC_User::getHome($user), true, "/userdata/" );
-				}
-				break;
-			case 'userfiles':
-				self::$content = new OC_Migration_Content( self::$zip );
-				// Creates a zip with all of the users files
-				foreach(OC_User::getUsers() as $user) {
-					self::$content->addDir(OC_User::getHome($user), true, "/" );
-				}
-				break;
-			case 'system':
-				self::$content = new OC_Migration_Content( self::$zip );
-				// Creates a zip with the owncloud system files
-				self::$content->addDir( OC::$SERVERROOT . '/', false, '/');
-				foreach (array(
-					".git",
-					"3rdparty",
-					"apps",
-					"core",
-					"files",
-					"l10n",
-					"lib",
-					"ocs",
-					"search",
-					"settings",
-					"tests"
-				) as $dir) {
-					self::$content->addDir( OC::$SERVERROOT . '/' . $dir, true, "/");
-				}
-				break;
-		}
-		if( !$info = self::getExportInfo( $exportdata ) ) {
-			return json_encode( array( 'success' => false ) );
-		}
-		// Add the export info json to the export zip
-		self::$content->addFromString( $info, 'export_info.json' );
-		if( !self::$content->finish() ) {
-			return json_encode( array( 'success' => false ) );
-		}
-		return json_encode( array( 'success' => true, 'data' => self::$zippath ) );
-	}
-
-	/**
-	 * imports a user, or owncloud instance
-	 * @param string $path path to zip
-	 * @param string $type type of import (user or instance)
-	 * @param string|null|int $uid userid of new user
-	 * @return string
-	 */
-	public static function import( $path, $type='user', $uid=null ) {
-
-		$datadir = OC_Config::getValue( 'datadirectory' );
-		// Extract the zip
-		if( !$extractpath = self::extractZip( $path ) ) {
-			return json_encode( array( 'success' => false ) );
-		}
-		// Get export_info.json
-		$scan = scandir( $extractpath );
-		// Check for export_info.json
-		if( !in_array( 'export_info.json', $scan ) ) {
-			OC_Log::write( 'migration', 'Invalid import file, export_info.json not found', OC_Log::ERROR );
-			return json_encode( array( 'success' => false ) );
-		}
-		$json = json_decode( file_get_contents( $extractpath . 'export_info.json' ) );
-		if( $json->exporttype != $type ) {
-			OC_Log::write( 'migration', 'Invalid import file', OC_Log::ERROR );
-			return json_encode( array( 'success' => false ) );
-		}
-		self::$exporttype = $type;
-
-		$currentuser = OC_User::getUser();
-
-		// Have we got a user if type is user
-		if( self::$exporttype == 'user' ) {
-			self::$uid = !is_null($uid) ? $uid : $currentuser;
-		}
-
-		// We need to be an admin if we are not importing our own data
-		if(($type == 'user' && self::$uid != $currentuser) || $type != 'user' ) {
-			if( !OC_User::isAdminUser($currentuser)) {
-				// Naughty.
-				OC_Log::write( 'migration', 'Import not permitted.', OC_Log::ERROR );
-				return json_encode( array( 'success' => false ) );
-			}
-		}
-
-		// Handle export types
-		switch( self::$exporttype ) {
-			case 'user':
-				// Check user availability
-				if( !OC_User::userExists( self::$uid ) ) {
-					OC_Log::write( 'migration', 'User doesn\'t exist', OC_Log::ERROR );
-					return json_encode( array( 'success' => false ) );
-				}
-
-				// Check if the username is valid
-				if( preg_match( '/[^a-zA-Z0-9 _\.@\-]/', $json->exporteduser )) {
-					OC_Log::write( 'migration', 'Username is not valid', OC_Log::ERROR );
-					return json_encode( array( 'success' => false ) );
-				}
-
-				// Copy data
-				$userfolder = $extractpath . $json->exporteduser;
-				$newuserfolder = $datadir . '/' . self::$uid;
-				foreach(scandir($userfolder) as $file){
-					if($file !== '.' && $file !== '..' && is_dir($userfolder.'/'.$file)) {
-						$file = str_replace(array('/', '\\'), '',  $file);
-
-						// Then copy the folder over
-						OC_Helper::copyr($userfolder.'/'.$file, $newuserfolder.'/'.$file);
-					}
-				}
-				// Import user app data
-				if(file_exists($extractpath . $json->exporteduser . '/migration.db')) {
-					if( !$appsimported = self::importAppData( $extractpath . $json->exporteduser . '/migration.db',
-						$json,
-						self::$uid ) ) {
-						return json_encode( array( 'success' => false ) );
-					}
-				}
-				// All done!
-				if( !self::unlink_r( $extractpath ) ) {
-					OC_Log::write( 'migration', 'Failed to delete the extracted zip', OC_Log::ERROR );
-				}
-				return json_encode( array( 'success' => true, 'data' => $appsimported ) );
-				break;
-			case 'instance':
-					/*
-					 * EXPERIMENTAL
-					// Check for new data dir and dbexport before doing anything
-					// TODO
-
-					// Delete current data folder.
-					OC_Log::write( 'migration', "Deleting current data dir", OC_Log::INFO );
-					if( !self::unlink_r( $datadir, false ) ) {
-						OC_Log::write( 'migration', 'Failed to delete the current data dir', OC_Log::ERROR );
-						return json_encode( array( 'success' => false ) );
-					}
-
-					// Copy over data
-					if( !self::copy_r( $extractpath . 'userdata', $datadir ) ) {
-						OC_Log::write( 'migration', 'Failed to copy over data directory', OC_Log::ERROR );
-						return json_encode( array( 'success' => false ) );
-					}
-
-					// Import the db
-					if( !OC_DB::replaceDB( $extractpath . 'dbexport.xml' ) ) {
-						return json_encode( array( 'success' => false ) );
-					}
-					// Done
-					return json_encode( array( 'success' => true ) );
-					*/
-				break;
-		}
-
-	}
-
-	/**
-	* recursively deletes a directory
-	* @param string $dir path of dir to delete
-	* @param bool $deleteRootToo delete the root directory
-	* @return bool
-	*/
-	private static function unlink_r( $dir, $deleteRootToo=true ) {
-		if( !$dh = @opendir( $dir ) ) {
-			return false;
-		}
-		while (false !== ($obj = readdir($dh))) {
-			if($obj == '.' || $obj == '..') {
-				continue;
-			}
-			if (!@unlink($dir . '/' . $obj)) {
-				self::unlink_r($dir.'/'.$obj, true);
-			}
-		}
-		closedir($dh);
-		if ( $deleteRootToo ) {
-			@rmdir($dir);
-		}
-		return true;
-	}
-
-	/**
-	* tries to extract the import zip
-	* @param string $path path to the zip
-	* @return string path to extract location (with a trailing slash) or false on failure
-	*/
-	static private function extractZip( $path ) {
-		self::$zip = new ZipArchive;
-		// Validate path
-		if( !file_exists( $path ) ) {
-			OC_Log::write( 'migration', 'Zip not found', OC_Log::ERROR );
-			return false;
-		}
-		if ( self::$zip->open( $path ) != true ) {
-			OC_Log::write( 'migration', "Failed to open zip file", OC_Log::ERROR );
-			return false;
-		}
-		$to = get_temp_dir() . '/oc_import_' . self::$exporttype . '_' . date("y-m-d_H-i-s") . '/';
-		if( !self::$zip->extractTo( $to ) ) {
-			return false;
-		}
-		self::$zip->close();
-		return $to;
-	}
-
-	/**
-	 * creates a migration.db in the users data dir with their app data in
-	 * @return bool whether operation was successfull
-	 */
-	private static function exportAppData( ) {
-
-		$success = true;
-		$return = array();
-
-		// Foreach provider
-		foreach( self::$providers as $provider ) {
-			// Check if the app is enabled
-			if( OC_App::isEnabled( $provider->getID() ) ) {
-				$success = true;
-				// Does this app use the database?
-				if( file_exists( OC_App::getAppPath($provider->getID()).'/appinfo/database.xml' ) ) {
-					// Create some app tables
-					$tables = self::createAppTables( $provider->getID() );
-					if( is_array( $tables ) ) {
-						// Save the table names
-						foreach($tables as $table) {
-							$return['apps'][$provider->getID()]['tables'][] = $table;
-						}
-					} else {
-						// It failed to create the tables
-						$success = false;
-					}
-				}
-
-				// Run the export function?
-				if( $success ) {
-					// Set the provider properties
-					$provider->setData( self::$uid, self::$content );
-					$return['apps'][$provider->getID()]['success'] = $provider->export();
-				} else {
-					$return['apps'][$provider->getID()]['success'] = false;
-					$return['apps'][$provider->getID()]['message'] = 'failed to create the app tables';
-				}
-
-				// Now add some app info the the return array
-				$appinfo = OC_App::getAppInfo( $provider->getID() );
-				$return['apps'][$provider->getID()]['version'] = OC_App::getAppVersion($provider->getID());
-			}
-		}
-
-		return $return;
-
-	}
-
-
-	/**
-	 * generates json containing export info, and merges any data supplied
-	 * @param array $array of data to include in the returned json
-	 * @return string
-	 */
-	static private function getExportInfo( $array=array() ) {
-		$info = array(
-						'ocversion' => OC_Util::getVersion(),
-						'exporttime' => time(),
-						'exportedby' => OC_User::getUser(),
-						'exporttype' => self::$exporttype,
-						'exporteduser' => self::$uid
-					);
-
-		if( !is_array( $array ) ) {
-			OC_Log::write( 'migration', 'Supplied $array was not an array in getExportInfo()', OC_Log::ERROR );
-		}
-		// Merge in other data
-		$info = array_merge( $info, (array)$array );
-		// Create json
-		$json = json_encode( $info );
-		return $json;
-	}
-
-	/**
-	 * connects to migration.db, or creates if not found
-	 * @param string $path to migration.db, defaults to user data dir
-	 * @return bool whether the operation was successful
-	 */
-	static private function connectDB( $path=null ) {
-		// Has the dbpath been set?
-		self::$dbpath = !is_null( $path ) ? $path : self::$dbpath;
-		if( !self::$dbpath ) {
-			OC_Log::write( 'migration', 'connectDB() was called without dbpath being set', OC_Log::ERROR );
-			return false;
-		}
-		// Already connected
-		if(!self::$migration_database) {
-			$datadir = OC_Config::getValue( "datadirectory", OC::$SERVERROOT."/data" );
-			$connectionParams = array(
-					'path' => self::$dbpath,
-					'driver' => 'pdo_sqlite',
-			);
-			$connectionParams['adapter'] = '\OC\DB\AdapterSqlite';
-			$connectionParams['wrapperClass'] = 'OC\DB\Connection';
-			$connectionParams['tablePrefix'] = '';
-
-			// Try to establish connection
-			self::$migration_database = \Doctrine\DBAL\DriverManager::getConnection($connectionParams);
-		}
-		return true;
-
-	}
-
-	/**
-	 * creates the tables in migration.db from an apps database.xml
-	 * @param string $appid id of the app
-	 * @return bool whether the operation was successful
-	 */
-	static private function createAppTables( $appid ) {
-		$schema_manager = new OC\DB\MDB2SchemaManager(self::$migration_database);
-
-		// There is a database.xml file
-		$content = file_get_contents(OC_App::getAppPath($appid) . '/appinfo/database.xml' );
-
-		$file2 = 'static://db_scheme';
-		// TODO get the relative path to migration.db from the data dir
-		// For now just cheat
-		$path = pathinfo( self::$dbpath );
-		$content = str_replace( '*dbname*', self::$uid.'/migration', $content );
-		$content = str_replace( '*dbprefix*', '', $content );
-
-		$xml = new SimpleXMLElement($content);
-		foreach($xml->table as $table) {
-			$tables[] = (string)$table->name;
-		}
-
-		file_put_contents( $file2, $content );
-
-		// Try to create tables
-		try {
-			$schema_manager->createDbFromStructure($file2);
-		} catch(Exception $e) {
-			unlink( $file2 );
-			OC_Log::write( 'migration', 'Failed to create tables for: '.$appid, OC_Log::FATAL );
-			OC_Log::write( 'migration', $e->getMessage(), OC_Log::FATAL );
-			return false;
-		}
-
-		return $tables;
-	}
-
-	/**
-	* tries to create the zip
-	* @return bool
-	*/
-	static private function createZip() {
-		self::$zip = new ZipArchive;
-		// Check if properties are set
-		if( !self::$zippath ) {
-			OC_Log::write('migration', 'createZip() called but $zip and/or $zippath have not been set', OC_Log::ERROR);
-			return false;
-		}
-		if ( self::$zip->open( self::$zippath, ZIPARCHIVE::CREATE | ZIPARCHIVE::OVERWRITE ) !== true ) {
-			OC_Log::write('migration',
-				'Failed to create the zip with error: '.self::$zip->getStatusString(),
-				OC_Log::ERROR);
-			return false;
-		} else {
-			return true;
-		}
-	}
-
-	/**
-	* returns an array of apps that support migration
-	* @return array
-	*/
-	static public function getApps() {
-		$allapps = OC_App::getAllApps();
-		foreach($allapps as $app) {
-			$path = self::getAppPath($app) . '/lib/migrate.php';
-			if( file_exists( $path ) ) {
-				$supportsmigration[] = $app;
-			}
-		}
-		return $supportsmigration;
-	}
-
-	/**
-	* imports a new user
-	* @param string $db string path to migration.db
-	* @param object $info object of migration info
-	* @param string|null|int $uid uid to use
-	* @return array an array of apps with import statuses, or false on failure.
-	*/
-	public static function importAppData( $db, $info, $uid=null ) {
-		// Check if the db exists
-		if( file_exists( $db ) ) {
-			// Connect to the db
-			if(!self::connectDB( $db )) {
-				OC_Log::write('migration', 'Failed to connect to migration.db', OC_Log::ERROR);
-				return false;
-			}
-		} else {
-			OC_Log::write('migration', 'Migration.db not found at: '.$db, OC_Log::FATAL );
-			return false;
-		}
-
-		// Find providers
-		self::findProviders();
-
-		// Generate importinfo array
-		$importinfo = array(
-							'olduid' => $info->exporteduser,
-							'newuid' => self::$uid
-							);
-
-		foreach( self::$providers as $provider) {
-			// Is the app in the export?
-			$id = $provider->getID();
-			if( isset( $info->apps->$id ) ) {
-				// Is the app installed
-				if( !OC_App::isEnabled( $id ) ) {
-					OC_Log::write( 'migration',
-					'App: ' . $id . ' is not installed, can\'t import data.',
-					OC_Log::INFO );
-					$appsstatus[$id] = 'notsupported';
-				} else {
-					// Did it succeed on export?
-					if( $info->apps->$id->success ) {
-						// Give the provider the content object
-						if( !self::connectDB( $db ) ) {
-							return false;
-						}
-						$content = new OC_Migration_Content( self::$zip, self::$migration_database );
-						$provider->setData( self::$uid, $content, $info );
-						// Then do the import
-						if( !$appsstatus[$id] = $provider->import( $info->apps->$id, $importinfo ) ) {
-							// Failed to import app
-							OC_Log::write( 'migration',
-								'Failed to import app data for user: ' . self::$uid . ' for app: ' . $id,
-								OC_Log::ERROR );
-						}
-					} else {
-						// Add to failed list
-						$appsstatus[$id] = false;
-					}
-				}
-			}
-		}
-
-		return $appsstatus;
-
-	}
-
-	/**
-	* creates a new user in the database
-	* @param string $uid user_id of the user to be created
-	* @param string $hash hash of the user to be created
-	* @return bool result of user creation
-	*/
-	public static function createUser( $uid, $hash ) {
-
-		// Check if userid exists
-		if(OC_User::userExists( $uid )) {
-			return false;
-		}
-
-		// Create the user
-		$query = OC_DB::prepare( "INSERT INTO `*PREFIX*users` ( `uid`, `password` ) VALUES( ?, ? )" );
-		$result = $query->execute( array( $uid, $hash));
-		if( !$result ) {
-			OC_Log::write('migration', 'Failed to create the new user "'.$uid."", OC_Log::ERROR);
-		}
-		return $result ? true : false;
-
-	}
-
-}
diff --git a/lib/private/migration/content.php b/lib/private/migration/content.php
deleted file mode 100644
index cb5d9ad1472..00000000000
--- a/lib/private/migration/content.php
+++ /dev/null
@@ -1,246 +0,0 @@
-<?php
-/**
- * ownCloud
- *
- * @author Tom Needham
- * @copyright 2012 Tom Needham tom@owncloud.com
- *
- * 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/>.
- *
- */
-
-
-/**
- * provides methods to add and access data from the migration
- */
-class OC_Migration_Content{
-
-	private $zip=false;
-	// Holds the database object
-	private $db=null;
-	// Holds an array of tmpfiles to delete after zip creation
-	private $tmpfiles=array();
-
-	/**
-	* sets up the
-	* @param ZipArchive $zip ZipArchive object
-	* @param object $db a database object (required for exporttype user)
-	* @return bool|null
-	*/
-	public function __construct( $zip, $db=null ) {
-
-		$this->zip = $zip;
-		$this->db = $db;
-
-	}
-
-	/**
-	 * prepares the db
-	 * @param string $query the sql query to prepare
-	 */
-	public function prepare( $query ) {
-
-		// Only add database to tmpfiles if actually used
-		if( !is_null( $this->db ) ) {
-			// Get db path
-			$db = $this->db->getDatabase();
-			if(!in_array($db, $this->tmpfiles)) {
-				$this->tmpfiles[] = $db;
-			}
-		}
-
-		// Optimize the query
-		$query = $this->processQuery( $query );
-
-		// Optimize the query
-		$query = $this->db->prepare( $query );
-		$query = new OC_DB_StatementWrapper($query, false);
-
-		return $query;
-	}
-
-	/**
-	* processes the db query
-	* @param string $query the query to process
-	* @return string of processed query
-	*/
-	private function processQuery( $query ) {
-		$query = str_replace( '`', '\'', $query );
-		$query = str_replace( 'NOW()', 'datetime(\'now\')', $query );
-		$query = str_replace( 'now()', 'datetime(\'now\')', $query );
-		// remove table prefixes
-		$query = str_replace( '*PREFIX*', '', $query );
-		return $query;
-	}
-
-	/**
-	* copys rows to migration.db from the main database
-	* @param array $options array of options.
-	* @return bool
-	*/
-	public function copyRows( $options ) {
-		if( !array_key_exists( 'table', $options ) ) {
-			return false;
-		}
-
-		$return = array();
-
-		// Need to include 'where' in the query?
-		if( array_key_exists( 'matchval', $options ) && array_key_exists( 'matchcol', $options ) ) {
-
-			// If only one matchval, create an array
-			if(!is_array($options['matchval'])) {
-				$options['matchval'] = array( $options['matchval'] );
-			}
-
-			foreach( $options['matchval'] as $matchval ) {
-				// Run the query for this match value (where x = y value)
-				$sql = 'SELECT * FROM `*PREFIX*' . $options['table'] . '` WHERE `' . $options['matchcol'] . '` = ?';
-				$query = OC_DB::prepare( $sql );
-				$results = $query->execute( array( $matchval ) );
-				$newreturns = $this->insertData( $results, $options );
-				$return = array_merge( $return, $newreturns );
-			}
-
-		} else {
-			// Just get everything
-			$sql = 'SELECT * FROM `*PREFIX*' . $options['table'] . '`';
-			$query = OC_DB::prepare( $sql );
-			$results = $query->execute();
-			$return = $this->insertData( $results, $options );
-
-		}
-
-		return $return;
-
-	}
-
-	/**
-	* saves a sql data set into migration.db
-	* @param OC_DB_StatementWrapper $data a sql data set returned from self::prepare()->query()
-	* @param array $options array of copyRows options
-	* @return void
-	*/
-	private function insertData( $data, $options ) {
-		$return = array();
-		// Foreach row of data to insert
-		while( $row = $data->fetchRow() ) {
-			// Now save all this to the migration.db
-			foreach($row as $field=>$value) {
-				$fields[] = $field;
-				$values[] = $value;
-			}
-
-			// Generate some sql
-			$sql = "INSERT INTO `" . $options['table'] . '` ( `';
-			$fieldssql = implode( '`, `', $fields );
-			$sql .= $fieldssql . "` ) VALUES( ";
-			$valuessql = substr( str_repeat( '?, ', count( $fields ) ), 0, -2 );
-			$sql .= $valuessql . " )";
-			// Make the query
-			$query = $this->prepare( $sql );
-			$query->execute( $values );
-			// Do we need to return some values?
-			if( array_key_exists( 'idcol', $options ) ) {
-				// Yes we do
-				$return[] = $row[$options['idcol']];
-			} else {
-				// Take a guess and return the first field :)
-				$return[] = reset($row);
-			}
-			$fields = '';
-			$values = '';
-		}
-		return $return;
-	}
-
-	/**
-	* adds a directory to the zip object
-	* @param boolean|string $dir string path of the directory to add
-	* @param bool $recursive
-	* @param string $internaldir path of folder to add dir to in zip
-	* @return bool
-	*/
-	public function addDir( $dir, $recursive=true, $internaldir='' ) {
-		$dirname = basename($dir);
-		$this->zip->addEmptyDir($internaldir . $dirname);
-		$internaldir.=$dirname.='/';
-		if( !file_exists( $dir ) ) {
-			return false;
-		}
-		$dirhandle = opendir($dir);
-		if(is_resource($dirhandle)) {
-			while (false !== ( $file = readdir($dirhandle))) {
-
-				if (( $file != '.' ) && ( $file != '..' )) {
-
-					if (is_dir($dir . '/' . $file) && $recursive) {
-						$this->addDir($dir . '/' . $file, $recursive, $internaldir);
-					} elseif (is_file($dir . '/' . $file)) {
-						$this->zip->addFile($dir . '/' . $file, $internaldir . $file);
-					}
-				}
-			}
-			closedir($dirhandle);
-		} else {
-			OC_Log::write('admin_export', "Was not able to open directory: " . $dir, OC_Log::ERROR);
-			return false;
-		}
-		return true;
-	}
-
-	/**
-	* adds a file to the zip from a given string
-	* @param string $data string of data to add
-	* @param string $path the relative path inside of the zip to save the file to
-	* @return bool
-	*/
-	public function addFromString( $data, $path ) {
-		// Create a temp file
-		$file = tempnam( get_temp_dir(). '/', 'oc_export_tmp_' );
-		$this->tmpfiles[] = $file;
-		if( !file_put_contents( $file, $data ) ) {
-			OC_Log::write( 'migation', 'Failed to save data to a temporary file', OC_Log::ERROR );
-			return false;
-		}
-		// Add file to the zip
-		$this->zip->addFile( $file, $path );
-		return true;
-	}
-
-	/**
-	* closes the zip, removes temp files
-	* @return bool
-	*/
-	public function finish() {
-		if( !$this->zip->close() ) {
-			OC_Log::write( 'migration',
-				'Failed to write the zip file with error: '.$this->zip->getStatusString(),
-				OC_Log::ERROR );
-			return false;
-		}
-		$this->cleanup();
-		return true;
-	}
-
-		/**
-	* cleans up after the zip
-	*/
-	private function cleanup() {
-		// Delete tmp files
-		foreach($this->tmpfiles as $i) {
-			unlink( $i );
-		}
-	}
-}
diff --git a/lib/private/migration/provider.php b/lib/private/migration/provider.php
deleted file mode 100644
index a7c611dcdd4..00000000000
--- a/lib/private/migration/provider.php
+++ /dev/null
@@ -1,52 +0,0 @@
-<?php
-/**
- * provides search functionalty
- */
-abstract class OC_Migration_Provider{
-
-	protected $id=false;
-	protected $content=false;
-	protected $uid=false;
-	protected $olduid=false;
-	protected $appinfo=false;
-
-	public function __construct( $appid ) {
-		// Set the id
-		$this->id = $appid;
-		OC_Migrate::registerProvider( $this );
-	}
-
-	/**
-	 * exports data for apps
-	 * @return array appdata to be exported
-	 */
-	abstract function export( );
-
-	/**
-	 * imports data for the app
-	 * @return void
-	 */
-	abstract function import( );
-
-	/**
-	* sets the OC_Migration_Content object to $this->content
-	* @param OC_Migration_Content $content a OC_Migration_Content object
-	*/
-	public function setData( $uid, $content, $info=null ) {
-		$this->content = $content;
-		$this->uid = $uid;
-		$id = $this->id;
-		if( !is_null( $info ) ) {
-			$this->olduid = $info->exporteduser;
-			$this->appinfo = $info->apps->$id;
-		}
-	}
-
-	/**
-	* returns the appid of the provider
-	* @return string
-	*/
-	public function getID() {
-		return $this->id;
-	}
-}
diff --git a/tests/lib/migrate.php b/tests/lib/migrate.php
deleted file mode 100644
index 9c1e980c445..00000000000
--- a/tests/lib/migrate.php
+++ /dev/null
@@ -1,98 +0,0 @@
-<?php
-/**
- * Copyright (c) 2014 Tom Needham <tom@owncloud.com>
- * This file is licensed under the Affero General Public License version 3 or
- * later.
- * See the COPYING-README file.
- */
-
-class Test_Migrate extends \Test\TestCase {
-
-	public $users;
-	public $tmpfiles = array();
-
-	/** @var \OC\Files\Storage\Storage */
-	private $originalStorage;
-
-	protected function setUp() {
-		parent::setUp();
-
-		$this->originalStorage = \OC\Files\Filesystem::getStorage('/');
-	}
-
-	protected function tearDown() {
-		$u = new OC_User();
-		foreach($this->users as $user) {
-			$u->deleteUser($user);
-		}
-		foreach($this->tmpfiles as $file) {
-			\OC_Helper::rmdirr($file);
-		}
-
-		\OC\Files\Filesystem::mount($this->originalStorage, array(), '/');
-		parent::tearDown();
-	}
-
-	/**
-	 * Generates a test user and sets up their file system
-	 * @return string the test users id
-	 */
-	public function generateUser() {
-		$username = $this->getUniqueID();
-		\OC_User::createUser($username, 'password');
-		\OC_Util::tearDownFS();
-		\OC_User::setUserId('');
-		\OC\Files\Filesystem::tearDown();
-		\OC_Util::setupFS($username);
-		$this->users[] = $username;
-		return $username;
-	}
-
-	/**
-	 * validates an export for a user
-	 * checks for existence of export_info.json and file folder
-	 * @param string $exportedUser the user that was exported
-	 * @param string $path the path to the .zip export
-	 * @param string $exportedBy
-	 */
-	public function validateUserExport($exportedBy, $exportedUser, $path) {
-		$this->assertTrue(file_exists($path));
-		// Extract
-		$extract = get_temp_dir() . '/oc_import_' . uniqid();
-		//mkdir($extract);
-		$this->tmpfiles[] = $extract;
-		$zip = new ZipArchive;
-		$zip->open($path);
-		$zip->extractTo($extract);
-		$zip->close();
-		$this->assertTrue(file_exists($extract.'/export_info.json'));
-		$exportInfo = file_get_contents($extract.'/export_info.json');
-		$exportInfo = json_decode($exportInfo);
-		$this->assertNotNull($exportInfo);
-		$this->assertEquals($exportedUser, $exportInfo->exporteduser);
-		$this->assertEquals($exportedBy, $exportInfo->exportedby);
-		$this->assertTrue(file_exists($extract.'/'.$exportedUser.'/files'));
-	}
-
-	public function testUserSelfExport() {
-		// Create a user
-		$user = $this->generateUser();
-		\OC_User::setUserId($user);
-		$export = \OC_Migrate::export($user);
-		// Check it succeeded and exists
-		$this->assertTrue(json_decode($export)->success);
-		// Validate the export
-		$this->validateUserExport($user, $user, json_decode($export)->data);
-	}
-
-	public function testUserOtherExport() {
-		$user = $this->generateUser();
-		$user2 = $this->generateUser();
-		\OC_User::setUserId($user2);
-		$export = \OC_Migrate::export($user);
-		// Check it succeeded and exists
-		$this->assertTrue(json_decode($export)->success);
-		// Validate the export
-		$this->validateUserExport($user2, $user, json_decode($export)->data);
-	}
-}