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<?php
namespace OAuth2\Encryption;
use OAuth2\Storage\Bootstrap;
use PHPUnit\Framework\TestCase;
class JwtTest extends TestCase
{
private $privateKey;
public function setUp()
{
$this->privateKey = <<<EOD
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
EOD;
}
/** @dataProvider provideClientCredentials */
public function testJwtUtil($client_id, $client_key)
{
$jwtUtil = new Jwt();
$params = array(
'iss' => $client_id,
'exp' => time() + 1000,
'iat' => time(),
'sub' => 'testuser@ourdomain.com',
'aud' => 'http://myapp.com/oauth/auth',
'scope' => null,
);
$encoded = $jwtUtil->encode($params, $this->privateKey, 'RS256');
// test BC behaviour of trusting the algorithm in the header
$payload = $jwtUtil->decode($encoded, $client_key);
$this->assertEquals($params, $payload);
// test BC behaviour of not verifying by passing false
$payload = $jwtUtil->decode($encoded, $client_key, false);
$this->assertEquals($params, $payload);
// test the new restricted algorithms header
$payload = $jwtUtil->decode($encoded, $client_key, array('RS256'));
$this->assertEquals($params, $payload);
}
public function testInvalidJwt()
{
$jwtUtil = new Jwt();
$this->assertFalse($jwtUtil->decode('goob'));
$this->assertFalse($jwtUtil->decode('go.o.b'));
}
/** @dataProvider provideClientCredentials */
public function testInvalidJwtHeader($client_id, $client_key)
{
$jwtUtil = new Jwt();
$params = array(
'iss' => $client_id,
'exp' => time() + 1000,
'iat' => time(),
'sub' => 'testuser@ourdomain.com',
'aud' => 'http://myapp.com/oauth/auth',
'scope' => null,
);
// testing for algorithm tampering when only RSA256 signing is allowed
// @see https://auth0.com/blog/2015/03/31/critical-vulnerabilities-in-json-web-token-libraries/
$tampered = $jwtUtil->encode($params, $client_key, 'HS256');
$payload = $jwtUtil->decode($tampered, $client_key, array('RS256'));
$this->assertFalse($payload);
}
public function provideClientCredentials()
{
$storage = Bootstrap::getInstance()->getMemoryStorage();
$client_id = 'Test Client ID';
$client_key = $storage->getClientKey($client_id, "testuser@ourdomain.com");
return array(
array($client_id, $client_key),
);
}
}
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