nextcloud/apps/files_encryption/tests/encryption.php

73 lines
2.4 KiB
PHP

<?php
/**
* Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
class Test_Encryption extends UnitTestCase {
function testEncryption() {
$key=uniqid();
$file=OC::$SERVERROOT.'/3rdparty/MDB2.php';
$source=file_get_contents($file); //nice large text file
$encrypted=OC_Crypt::encrypt($source,$key);
$decrypted=OC_Crypt::decrypt($encrypted,$key);
$decrypted=rtrim($decrypted, "\0");
$this->assertNotEqual($encrypted,$source);
$this->assertEqual($decrypted,$source);
$chunk=substr($source,0,8192);
$encrypted=OC_Crypt::encrypt($chunk,$key);
$this->assertEqual(strlen($chunk), strlen($encrypted));
$decrypted=OC_Crypt::decrypt($encrypted,$key);
$decrypted=rtrim($decrypted, "\0");
$this->assertEqual($decrypted,$chunk);
$encrypted=OC_Crypt::blockEncrypt($source,$key);
$decrypted=OC_Crypt::blockDecrypt($encrypted,$key);
$this->assertNotEqual($encrypted,$source);
$this->assertEqual($decrypted,$source);
$tmpFileEncrypted=OCP\Files::tmpFile();
OC_Crypt::encryptfile($file,$tmpFileEncrypted,$key);
$encrypted=file_get_contents($tmpFileEncrypted);
$decrypted=OC_Crypt::blockDecrypt($encrypted,$key);
$this->assertNotEqual($encrypted,$source);
$this->assertEqual($decrypted,$source);
$tmpFileDecrypted=OCP\Files::tmpFile();
OC_Crypt::decryptfile($tmpFileEncrypted,$tmpFileDecrypted,$key);
$decrypted=file_get_contents($tmpFileDecrypted);
$this->assertEqual($decrypted,$source);
$file=OC::$SERVERROOT.'/core/img/weather-clear.png';
$source=file_get_contents($file); //binary file
$encrypted=OC_Crypt::encrypt($source,$key);
$decrypted=OC_Crypt::decrypt($encrypted,$key);
$decrypted=rtrim($decrypted, "\0");
$this->assertEqual($decrypted,$source);
$encrypted=OC_Crypt::blockEncrypt($source,$key);
$decrypted=OC_Crypt::blockDecrypt($encrypted,$key);
$this->assertEqual($decrypted,$source);
}
function testBinary() {
$key=uniqid();
$file=__DIR__.'/binary';
$source=file_get_contents($file); //binary file
$encrypted=OC_Crypt::encrypt($source,$key);
$decrypted=OC_Crypt::decrypt($encrypted,$key);
$decrypted=rtrim($decrypted, "\0");
$this->assertEqual($decrypted,$source);
$encrypted=OC_Crypt::blockEncrypt($source,$key);
$decrypted=OC_Crypt::blockDecrypt($encrypted,$key, strlen($source));
$this->assertEqual($decrypted,$source);
}
}