Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
/**
8 months ago
* @copyright Copyright (C) 2010-2021, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* This is in the same namespace as Crypto for mocking 'rand' and 'random_init'
*/
/// @todo Use right namespace - needs alternative way of mocking random_int()
namespace Friendica\Util;
use phpseclib\Crypt\RSA;
use phpseclib\Math\BigInteger;
use PHPUnit\Framework\TestCase;
class CryptoTest extends TestCase
{
public static function tearDownAfterClass(): void
{
// Reset mocking
global $phpMock;
$phpMock = [];
parent::tearDownAfterClass();
}
/**
* Replaces random_int results with given mocks
*
*/
private function assertRandomInt($min, $max)
{
global $phpMock;
$phpMock['random_int'] = function ($mMin, $mMax) use ($min, $max) {
self::assertEquals($min, $mMin);
self::assertEquals($max, $mMax);
return 1;
};
}
public function testRandomDigitsRandomInt()
{
self::assertRandomInt(0, 9);
$test = Crypto::randomDigits(1);
self::assertEquals(1, strlen($test));
self::assertEquals(1, $test);
$test = Crypto::randomDigits(8);
self::assertEquals(8, strlen($test));
self::assertEquals(11111111, $test);
}
public function dataRsa()
{
return [
'diaspora' => [
'key' => file_get_contents(__DIR__ . '/../../datasets/crypto/rsa/diaspora-public-rsa-base64'),
'expected' => file_get_contents(__DIR__ . '/../../datasets/crypto/rsa/diaspora-public-pem'),
],
];
}
/**
* @dataProvider dataRsa
*/
public function testPubRsaToMe(string $key, string $expected)
{
self::assertEquals($expected, Crypto::rsaToPem(base64_decode($key)));
}
public function dataPEM()
{
return [
'diaspora' => [
'key' => file_get_contents(__DIR__ . '/../../datasets/crypto/rsa/diaspora-public-pem'),
],
];
}
/**
* @dataProvider dataPEM
*/
public function testPemToMe(string $key)
{
Crypto::pemToMe($key, $m, $e);
$expectedRSA = new RSA();
$expectedRSA->loadKey([
'e' => new BigInteger($e, 256),
'n' => new BigInteger($m, 256)
]);
self::assertEquals($expectedRSA->getPublicKey(), $key);
}
/**
* @dataProvider dataPEM
*/
public function testMeToPem(string $key)
{
Crypto::pemToMe($key, $m, $e);
$checkKey = Crypto::meToPem($m, $e);
self::assertEquals($key, $checkKey);
}
}
/**
* A workaround to replace the PHP native random_int() (>= 7.0) with a mocked function
*
* @return int
*/
function random_int($min, $max)
{
global $phpMock;
if (isset($phpMock['random_int'])) {
return call_user_func_array($phpMock['random_int'], func_get_args());
}
}