Cleanup tags and Share component

- Port to LoggerInterface
- Use IDBConnection and IQueryBuilder instead of raw SQL and OC_DB
- Use IEventListener instead of hooks
- Remove the now unused OC_DB and OC_DB_StatementWrapper legacy utils

Signed-off-by: Carl Schwan <carl@carlschwan.eu>

1 files changed, 0 insertions, 184 deletions

diff --git a/lib/private/legacy/OC_DB.php b/lib/private/legacy/OC_DB.php
deleted file mode 100644
index 39faf8e80aa..00000000000
--- a/lib/private/legacy/OC_DB.php
+++ /dev/null
@@ -1,184 +0,0 @@
-<?php
-/**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Andreas Fischer <bantu@owncloud.com>
- * @author Bart Visscher <bartv@thisnet.nl>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- * @author Jörn Friedrich Dreyer <jfd@butonic.de>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @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/>
- *
- */
-class OC_DB {
-
-	/**
-	 * Prepare a SQL query
-	 * @param string $query Query string
-	 * @param int|null $limit
-	 * @param int|null $offset
-	 * @param bool|null $isManipulation
-	 * @throws \OC\DatabaseException
-	 * @return OC_DB_StatementWrapper prepared SQL query
-	 * @deprecated 21.0.0 Please use \OCP\IDBConnection::getQueryBuilder() instead
-	 *
-	 * SQL query via Doctrine prepare(), needs to be execute()'d!
-	 */
-	public static function prepare($query, $limit = null, $offset = null, $isManipulation = null) {
-		$connection = \OC::$server->getDatabaseConnection();
-
-		if ($isManipulation === null) {
-			//try to guess, so we return the number of rows on manipulations
-			$isManipulation = self::isManipulation($query);
-		}
-
-		// return the result
-		try {
-			$result = $connection->prepare($query, $limit, $offset);
-		} catch (\Doctrine\DBAL\Exception $e) {
-			throw new \OC\DatabaseException($e->getMessage());
-		}
-		// differentiate between query and manipulation
-		return new OC_DB_StatementWrapper($result, $isManipulation);
-	}
-
-	/**
-	 * tries to guess the type of statement based on the first 10 characters
-	 * the current check allows some whitespace but does not work with IF EXISTS or other more complex statements
-	 *
-	 * @param string $sql
-	 * @return bool
-	 */
-	public static function isManipulation($sql) {
-		$sql = trim($sql);
-		$selectOccurrence = stripos($sql, 'SELECT');
-		if ($selectOccurrence === 0) {
-			return false;
-		}
-		$insertOccurrence = stripos($sql, 'INSERT');
-		if ($insertOccurrence === 0) {
-			return true;
-		}
-		$updateOccurrence = stripos($sql, 'UPDATE');
-		if ($updateOccurrence === 0) {
-			return true;
-		}
-		$deleteOccurrence = stripos($sql, 'DELETE');
-		if ($deleteOccurrence === 0) {
-			return true;
-		}
-
-		// This is triggered with "SHOW VERSION" and some more, so until we made a list, we keep this out.
-		// \OC::$server->getLogger()->logException(new \Exception('Can not detect if query is manipulating: ' . $sql));
-
-		return false;
-	}
-
-	/**
-	 * execute a prepared statement, on error write log and throw exception
-	 * @param mixed $stmt OC_DB_StatementWrapper,
-	 *					  an array with 'sql' and optionally 'limit' and 'offset' keys
-	 *					.. or a simple sql query string
-	 * @param array $parameters
-	 * @return OC_DB_StatementWrapper
-	 * @throws \OC\DatabaseException
-	 * @deprecated 21.0.0 Please use \OCP\IDBConnection::getQueryBuilder() instead
-	 */
-	public static function executeAudited($stmt, array $parameters = []) {
-		if (is_string($stmt)) {
-			// convert to an array with 'sql'
-			if (stripos($stmt, 'LIMIT') !== false) { //OFFSET requires LIMIT, so we only need to check for LIMIT
-				// TODO try to convert LIMIT OFFSET notation to parameters
-				$message = 'LIMIT and OFFSET are forbidden for portability reasons,'
-						 . ' pass an array with \'limit\' and \'offset\' instead';
-				throw new \OC\DatabaseException($message);
-			}
-			$stmt = ['sql' => $stmt, 'limit' => null, 'offset' => null];
-		}
-		if (is_array($stmt)) {
-			// convert to prepared statement
-			if (! array_key_exists('sql', $stmt)) {
-				$message = 'statement array must at least contain key \'sql\'';
-				throw new \OC\DatabaseException($message);
-			}
-			if (! array_key_exists('limit', $stmt)) {
-				$stmt['limit'] = null;
-			}
-			if (! array_key_exists('limit', $stmt)) {
-				$stmt['offset'] = null;
-			}
-			$stmt = self::prepare($stmt['sql'], $stmt['limit'], $stmt['offset']);
-		}
-		self::raiseExceptionOnError($stmt, 'Could not prepare statement');
-		if ($stmt instanceof OC_DB_StatementWrapper) {
-			$result = $stmt->execute($parameters);
-			self::raiseExceptionOnError($result, 'Could not execute statement');
-		} else {
-			if (is_object($stmt)) {
-				$message = 'Expected a prepared statement or array got ' . get_class($stmt);
-			} else {
-				$message = 'Expected a prepared statement or array got ' . gettype($stmt);
-			}
-			throw new \OC\DatabaseException($message);
-		}
-		return $result;
-	}
-
-	/**
-	 * check if a result is an error and throws an exception, works with \Doctrine\DBAL\Exception
-	 * @param mixed $result
-	 * @param string $message
-	 * @return void
-	 * @throws \OC\DatabaseException
-	 */
-	public static function raiseExceptionOnError($result, $message = null) {
-		if ($result === false) {
-			if ($message === null) {
-				$message = self::getErrorMessage();
-			} else {
-				$message .= ', Root cause:' . self::getErrorMessage();
-			}
-			throw new \OC\DatabaseException($message);
-		}
-	}
-
-	/**
-	 * returns the error code and message as a string for logging
-	 * works with DoctrineException
-	 * @return string
-	 */
-	public static function getErrorMessage() {
-		$connection = \OC::$server->getDatabaseConnection();
-		return $connection->getError();
-	}
-
-	/**
-	 * Checks if a table exists in the database - the database prefix will be prepended
-	 *
-	 * @param string $table
-	 * @return bool
-	 * @throws \OC\DatabaseException
-	 */
-	public static function tableExists($table) {
-		$connection = \OC::$server->getDatabaseConnection();
-		return $connection->tableExists($table);
-	}
-}