Remove OC_Migrate

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

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

1 files changed, 0 insertions, 246 deletions

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 );
-		}
-	}
-}