+++ /dev/null
-<?php
-// Own namespace
-namespace CoreFramework\Stream\Crypto;
-
-/**
- * A null-encryption stream does not encrypt anything but can be used if e.e.
- * mcrypt is not installed.
- *
- * @author Roland Haeder <webmaster@shipsimu.org>
- * @version 0.0.0
- * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 Developer Team
- * @license GNU GPL 3.0 or any newer version
- * @link http://www.shipsimu.org
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-class NullCryptoStream extends BaseStream implements EncryptableStream {
- /**
- * Protected constructor
- *
- * @return void
- */
- protected function __construct () {
- // Call parent constructor
- parent::__construct(__CLASS__);
- }
-
- /**
- * Creates an instance of this node class
- *
- * @return $streamInstance An instance of this node class
- */
- public static final function createNullCryptoStream () {
- // Get a new instance
- $streamInstance = new NullCryptoStream();
-
- // Return the instance
- return $streamInstance;
- }
-
- /**
- * Encrypt the string with fixed salt
- *
- * @param $str The unencrypted string
- * @param $key Optional key, if none provided, a random key will be generated
- * @return $encrypted Encrypted string
- */
- public function encryptStream ($str, $key = NULL) {
- // Just handle it over
- $encrypted = (string) $str;
-
- // Return it
- return $encrypted;
- }
-
- /**
- * Decrypt the string with fixed salt
- *
- * @param $encrypted Encrypted string
- * @return $str The unencrypted string
- */
- public function decryptStream ($encrypted) {
- // Just handle it over
- $str = (string) $encrypted;
-
- // Return it
- return $str;
- }
-
- /**
- * Streams the data and maybe does something to it
- *
- * @param $data The data (string mostly) to "stream"
- * @return $data The data (string mostly) to "stream"
- * @throws UnsupportedOperationException If this method is called (which is a mistake)
- */
- public function streamData ($data) {
- self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('Unhandled ' . strlen($data) . ' bytes in this stream.');
- throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION);
- }
-
-}