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<?php
declare(strict_types=1);
namespace ParagonIE\ConstantTime\Tests;
use Exception;
use InvalidArgumentException;
use PHPUnit\Framework\Attributes\DataProvider;
use PHPUnit\Framework\TestCase;
use ParagonIE\ConstantTime\Base64;
use RangeException;
use function base64_decode;
use function base64_encode;
use function bin2hex;
use function random_bytes;
use function rtrim;
class Base64Test extends TestCase
{
use CanonicalTrait;
/**
* @throws Exception
*/
public function testRandom(): void
{
for ($i = 1; $i < 32; ++$i) {
for ($j = 0; $j < 50; ++$j) {
$random = random_bytes($i);
$enc = Base64::encode($random);
$this->assertSame(
$random,
Base64::decode($enc)
);
$this->assertSame(
base64_encode($random),
$enc
);
$unpadded = rtrim($enc, '=');
$this->assertSame(
$random,
Base64::decode($unpadded)
);
$this->assertSame(
$random,
Base64::decode($unpadded, true)
);
}
}
$str = 'MIIFzzCCBLegAwIBAgIDAfdlMA0GCSqGSIb3DQEBBQUAMHMxCzAJBgNVBAYTAlBM' .
'MSgwJgYDVQQKDB9LcmFqb3dhIEl6YmEgUm96bGljemVuaW93YSBTLkEuMSQwIgYDVQQ' .
'DDBtDT1BFIFNaQUZJUiAtIEt3YWxpZmlrb3dhbnkxFDASBgNVBAUTC05yIHdwaXN1Oi' .
'A2MB4XDTExMTEwOTA2MDAwMFoXDTEzMTEwOTA2MDAwMFowgdkxCzAJBgNVBAYTAlBMM' .
'RwwGgYDVQQKDBNVcnrEhWQgTWlhc3RhIEdkeW5pMRswGQYDVQQFExJQRVNFTDogNjEw' .
'NjA2MDMxMTgxGTAXBgNVBAMMEEplcnp5IFByemV3b3Jza2kxTzBNBgNVBBAwRgwiQWw' .
'uIE1hcnN6YcWCa2EgUGnFgnN1ZHNraWVnbyA1Mi81NAwNODEtMzgyIEdkeW5pYQwGUG' .
'9sc2thDAlwb21vcnNraWUxDjAMBgNVBCoMBUplcnp5MRMwEQYDVQQEDApQcnpld29yc' .
'2tpMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCMm5vjGqHPthJCMqKpqssSISRo' .
's0PYDTcEQzyyurfX67EJWKtZj6HNwuDMEGJ02iBNZfjUl7r8dIi28bSKhNlsfycXZKY' .
'RcIjp0+r5RqtR2auo9GQ6veKb61DEAGIqaR+uLLcJVTHCu0w9oXLGbRlGth5eNoj03C' .
'xXVAH2IfhbNwIDAQABo4IChzCCAoMwDAYDVR0TAQH/BAIwADCCAUgGA1UdIAEB/wSCA' .
'TwwggE4MIIBNAYJKoRoAYb3IwEBMIIBJTCB3QYIKwYBBQUHAgIwgdAMgc1EZWtsYXJh' .
'Y2phIHRhIGplc3Qgb8Wbd2lhZGN6ZW5pZW0gd3lkYXdjeSwgxbxlIHRlbiBjZXJ0eWZ' .
'pa2F0IHpvc3RhxYIgd3lkYW55IGpha28gY2VydHlmaWthdCBrd2FsaWZpa293YW55IH' .
'pnb2RuaWUgeiB3eW1hZ2FuaWFtaSB1c3Rhd3kgbyBwb2RwaXNpZSBlbGVrdHJvbmlje' .
'm55bSBvcmF6IHRvd2FyenlzesSFY3ltaSBqZWogcm96cG9yesSFZHplbmlhbWkuMEMG' .
'CCsGAQUFBwIBFjdodHRwOi8vd3d3Lmtpci5jb20ucGwvY2VydHlmaWthY2phX2tsdWN' .
'6eS9wb2xpdHlrYS5odG1sMAkGA1UdCQQCMAAwIQYDVR0RBBowGIEWai5wcnpld29yc2' .
'tpQGdkeW5pYS5wbDAOBgNVHQ8BAf8EBAMCBkAwgZ4GA1UdIwSBljCBk4AU3TGldJXip' .
'N4oGS3ZYmnBDMFs8gKhd6R1MHMxCzAJBgNVBAYTAlBMMSgwJgYDVQQKDB9LcmFqb3dh' .
'IEl6YmEgUm96bGljemVuaW93YSBTLkEuMSQwIgYDVQQDDBtDT1BFIFNaQUZJUiAtIEt' .
'3YWxpZmlrb3dhbnkxFDASBgNVBAUTC05yIHdwaXN1OiA2ggJb9jBIBgNVHR8EQTA/MD' .
'2gO6A5hjdodHRwOi8vd3d3Lmtpci5jb20ucGwvY2VydHlmaWthY2phX2tsdWN6eS9DU' .
'kxfT1pLMzIuY3JsMA0GCSqGSIb3DQEBBQUAA4IBAQBYPIqnAreyeql7/opJjcar/qWZ' .
'y9ruhB2q0lZFsJOhwgMnbQXzp/4vv93YJqcHGAXdHP6EO8FQX47mjo2ZKQmi+cIHJHL' .
'ONdX/3Im+M17V0iNAh7Z1lOSfTRT+iiwe/F8phcEaD5q2RmvYusR7zXZq/cLL0If0hX' .
'oPZ/EHQxjN8pxzxiUx6bJAgturnIMEfRNesxwghdr1dkUjOhGLf3kHVzgM6j3VAM7oF' .
'mMUb5y5s96Bzl10DodWitjOEH0vvnIcsppSxH1C1dCAi0o9f/1y2XuLNhBNHMAyTqpY' .
'PX8Yvav1c+Z50OMaSXHAnTa20zv8UtiHbaAhwlifCelUMj93S';
try {
Base64::decode($str, true);
$this->fail('Strict padding not enforced');
} catch (Exception ) {
$this->assertSame(
Base64::decode($str),
base64_decode($str)
);
}
}
public function testIssue22(): void
{
// Non-strict: ok
Base64::decode('00==');
// Strict: not ok
$this->expectException(RangeException::class);
Base64::decode('00==', true);
}
public function testDecodeNoPadding(): void
{
Base64::decodeNoPadding('0w');
$this->expectException(InvalidArgumentException::class);
Base64::decodeNoPadding('0w==');
}
/**
* We need this for PHP before attributes
* @dataProvider canonicalDataProvider
*/
#[DataProvider("canonicalDataProvider")]
public function testNonCanonical(string $input): void
{
$w = Base64::encodeUnpadded($input);
$decoded = Base64::decode($w);
$this->assertSame($input, $decoded);
Base64::decode($w, true);
// Mess with padding:
$x = $this->increment($w);
Base64::decode($x);
// Should throw in strict mode:
$this->expectException(RangeException::class);
Base64::decode($x, true);
}
protected function getNextChar(string $c): string
{
return strtr(
$c,
'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/',
'BCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/A'
);
}
public function testUnpadded(): void
{
for ($i = 1; $i < 32; ++$i) {
$random = random_bytes($i);
$encoded = Base64::encodeUnpadded($random);
$decoded = Base64::decodeNoPadding($encoded);
$this->assertSame(
bin2hex($random),
bin2hex($decoded)
);
}
}
public static function invalidCharactersProvider(): array
{
return [
['ab.d'],
['ab:d'],
['ab[d'],
['ab]d'],
];
}
/**
* Detect issue underlying #67 with ext-sodium
*
* @return void
* @throws Exception
*/
public function testStrictPaddingSodium(): void
{
for ($i = 1; $i < 32; ++$i) {
$random = random_bytes($i);
$encoded = Base64::encode($random);
$decoded = Base64::decode($encoded, true);
$this->assertSame($decoded, $random);
}
}
/**
* @dataProvider invalidCharactersProvider
*/
#[DataProvider("invalidCharactersProvider")]
public function testInvalidCharacters(string $encoded): void
{
$this->expectException(RangeException::class);
Base64::decode($encoded);
}
}
|
