Implemented RFC7636. Fixes #574

This commit is contained in:
Alex Bilbie 2016-05-06 15:23:16 +01:00
parent 4a4f4fe2d7
commit 8e8aed1a50
4 changed files with 611 additions and 8 deletions

View File

@ -172,6 +172,26 @@ class OAuthServerException extends \Exception
);
}
/**
* Invalid grant.
*
* @param string $hint
*
* @return static
*/
public static function invalidGrant($hint = '')
{
return new static(
'The provided authorization grant (e.g., authorization code, resource owner credentials) or refresh token '
. 'is invalid, expired, revoked, does not match the redirection URI used in the authorization request, '
. 'or was issued to another client.',
10,
'invalid_grant',
400,
$hint
);
}
/**
* @return string
*/

View File

@ -29,6 +29,11 @@ class AuthCodeGrant extends AbstractAuthorizeGrant
*/
private $authCodeTTL;
/**
* @var bool
*/
private $enableCodeExchangeProof = false;
/**
* @param \League\OAuth2\Server\Repositories\AuthCodeRepositoryInterface $authCodeRepository
* @param \League\OAuth2\Server\Repositories\RefreshTokenRepositoryInterface $refreshTokenRepository
@ -45,6 +50,11 @@ class AuthCodeGrant extends AbstractAuthorizeGrant
$this->refreshTokenTTL = new \DateInterval('P1M');
}
public function enableCodeExchangeProof()
{
$this->enableCodeExchangeProof = true;
}
/**
* Respond to an access token request.
*
@ -118,6 +128,42 @@ class AuthCodeGrant extends AbstractAuthorizeGrant
throw OAuthServerException::invalidRequest('code', 'Cannot decrypt the authorization code');
}
// Validate code challenge
if ($this->enableCodeExchangeProof === true) {
$codeVerifier = $this->getRequestParameter('code_verifier', $request, null);
if ($codeVerifier === null) {
throw OAuthServerException::invalidRequest('code_verifier');
}
switch ($authCodePayload->code_challenge_method) {
case 'plain':
if (hash_equals($codeVerifier, $authCodePayload->code_challenge) === false) {
throw OAuthServerException::invalidGrant('Failed to verify `code_verifier`.');
}
break;
case 'S256':
if (
hash_equals(
urlencode(base64_encode(hash('sha256', $codeVerifier))),
$authCodePayload->code_challenge
) === false
) {
throw OAuthServerException::invalidGrant('Failed to verify `code_verifier`.');
}
// @codeCoverageIgnoreStart
break;
default:
throw OAuthServerException::serverError(
sprintf(
'Unsupported code challenge method `%s`',
$authCodePayload->code_challenge_method
)
);
// @codeCoverageIgnoreEnd
}
}
// Issue and persist access + refresh tokens
$accessToken = $this->issueAccessToken($accessTokenTTL, $client, $authCodePayload->user_id, $scopes);
$refreshToken = $this->issueRefreshToken($accessToken);
@ -213,6 +259,24 @@ class AuthCodeGrant extends AbstractAuthorizeGrant
$authorizationRequest->setState($stateParameter);
$authorizationRequest->setScopes($scopes);
if ($this->enableCodeExchangeProof === true) {
$codeChallenge = $this->getQueryStringParameter('code_challenge', $request);
if ($codeChallenge === null) {
throw OAuthServerException::invalidRequest('code_challenge');
}
$codeChallengeMethod = $this->getQueryStringParameter('code_challenge_method', $request, 'plain');
if (in_array($codeChallengeMethod, ['plain', 'S256']) === false) {
throw OAuthServerException::invalidRequest(
'code_challenge_method',
'Code challenge method must be `plain` or `S256`'
);
}
$authorizationRequest->setCodeChallenge($codeChallenge);
$authorizationRequest->setCodeChallengeMethod($codeChallengeMethod);
}
return $authorizationRequest;
}
@ -249,12 +313,14 @@ class AuthCodeGrant extends AbstractAuthorizeGrant
'code' => $this->encrypt(
json_encode(
[
'client_id' => $authCode->getClient()->getIdentifier(),
'redirect_uri' => $authCode->getRedirectUri(),
'auth_code_id' => $authCode->getIdentifier(),
'scopes' => $authCode->getScopes(),
'user_id' => $authCode->getUserIdentifier(),
'expire_time' => (new \DateTime())->add($this->authCodeTTL)->format('U'),
'client_id' => $authCode->getClient()->getIdentifier(),
'redirect_uri' => $authCode->getRedirectUri(),
'auth_code_id' => $authCode->getIdentifier(),
'scopes' => $authCode->getScopes(),
'user_id' => $authCode->getUserIdentifier(),
'expire_time' => (new \DateTime())->add($this->authCodeTTL)->format('U'),
'code_challenge' => $authorizationRequest->getCodeChallenge(),
'code_challenge_method ' => $authorizationRequest->getCodeChallengeMethod(),
]
)
),

View File

@ -64,6 +64,18 @@ class AuthorizationRequest
*/
protected $state;
/**
* The code challenge (if provided)
* @var string
*/
protected $codeChallenge;
/**
* The code challenge method (if provided)
* @var string
*/
protected $codeChallengeMethod;
/**
* @return string
*/
@ -175,4 +187,36 @@ class AuthorizationRequest
{
$this->state = $state;
}
/**
* @return string
*/
public function getCodeChallenge()
{
return $this->codeChallenge;
}
/**
* @param string $codeChallenge
*/
public function setCodeChallenge($codeChallenge)
{
$this->codeChallenge = $codeChallenge;
}
/**
* @return string
*/
public function getCodeChallengeMethod()
{
return $this->codeChallengeMethod;
}
/**
* @param string $codeChallengeMethod
*/
public function setCodeChallengeMethod($codeChallengeMethod)
{
$this->codeChallengeMethod = $codeChallengeMethod;
}
}

View File

@ -27,7 +27,7 @@ use Zend\Diactoros\ServerRequest;
class AuthCodeGrantTest extends \PHPUnit_Framework_TestCase
{
/**
* CryptTrait stub
* @var CryptTraitStub
*/
protected $cryptStub;
@ -136,6 +136,41 @@ class AuthCodeGrantTest extends \PHPUnit_Framework_TestCase
$this->assertTrue($grant->validateAuthorizationRequest($request) instanceof AuthorizationRequest);
}
public function testValidateAuthorizationRequestCodeChallenge()
{
$client = new ClientEntity();
$client->setRedirectUri('http://foo/bar');
$clientRepositoryMock = $this->getMockBuilder(ClientRepositoryInterface::class)->getMock();
$clientRepositoryMock->method('getClientEntity')->willReturn($client);
$grant = new AuthCodeGrant(
$this->getMock(AuthCodeRepositoryInterface::class),
$this->getMock(RefreshTokenRepositoryInterface::class),
new \DateInterval('PT10M')
);
$grant->enableCodeExchangeProof();
$grant->setClientRepository($clientRepositoryMock);
$request = new ServerRequest(
[],
[],
null,
null,
'php://input',
$headers = [],
$cookies = [],
$queryParams = [
'response_type' => 'code',
'client_id' => 'foo',
'redirect_uri' => 'http://foo/bar',
'code_challenge' => 'FOOBAR',
]
);
$this->assertTrue($grant->validateAuthorizationRequest($request) instanceof AuthorizationRequest);
}
/**
* @expectedException \League\OAuth2\Server\Exception\OAuthServerException
* @expectedExceptionCode 3
@ -272,6 +307,82 @@ class AuthCodeGrantTest extends \PHPUnit_Framework_TestCase
$grant->validateAuthorizationRequest($request);
}
/**
* @expectedException \League\OAuth2\Server\Exception\OAuthServerException
* @expectedExceptionCode 3
*/
public function testValidateAuthorizationRequestMissingCodeChallenge()
{
$client = new ClientEntity();
$client->setRedirectUri('http://foo/bar');
$clientRepositoryMock = $this->getMockBuilder(ClientRepositoryInterface::class)->getMock();
$clientRepositoryMock->method('getClientEntity')->willReturn($client);
$grant = new AuthCodeGrant(
$this->getMock(AuthCodeRepositoryInterface::class),
$this->getMock(RefreshTokenRepositoryInterface::class),
new \DateInterval('PT10M')
);
$grant->enableCodeExchangeProof();
$grant->setClientRepository($clientRepositoryMock);
$request = new ServerRequest(
[],
[],
null,
null,
'php://input',
$headers = [],
$cookies = [],
$queryParams = [
'response_type' => 'code',
'client_id' => 'foo',
'redirect_uri' => 'http://foo/bar',
]
);
$grant->validateAuthorizationRequest($request);
}
/**
* @expectedException \League\OAuth2\Server\Exception\OAuthServerException
* @expectedExceptionCode 3
*/
public function testValidateAuthorizationRequestInvalidCodeChallengeMethod()
{
$client = new ClientEntity();
$client->setRedirectUri('http://foo/bar');
$clientRepositoryMock = $this->getMockBuilder(ClientRepositoryInterface::class)->getMock();
$clientRepositoryMock->method('getClientEntity')->willReturn($client);
$grant = new AuthCodeGrant(
$this->getMock(AuthCodeRepositoryInterface::class),
$this->getMock(RefreshTokenRepositoryInterface::class),
new \DateInterval('PT10M')
);
$grant->enableCodeExchangeProof();
$grant->setClientRepository($clientRepositoryMock);
$request = new ServerRequest(
[],
[],
null,
null,
'php://input',
$headers = [],
$cookies = [],
$queryParams = [
'response_type' => 'code',
'client_id' => 'foo',
'redirect_uri' => 'http://foo/bar',
'code_challenge' => 'foobar',
'code_challenge_method' => 'foo',
]
);
$grant->validateAuthorizationRequest($request);
}
public function testCompleteAuthorizationRequest()
{
$authRequest = new AuthorizationRequest();
@ -390,6 +501,150 @@ class AuthCodeGrantTest extends \PHPUnit_Framework_TestCase
$this->assertTrue($response->getRefreshToken() instanceof RefreshTokenEntityInterface);
}
public function testRespondToAccessTokenRequestCodeChallengePlain()
{
$client = new ClientEntity();
$client->setIdentifier('foo');
$client->setRedirectUri('http://foo/bar');
$clientRepositoryMock = $this->getMockBuilder(ClientRepositoryInterface::class)->getMock();
$clientRepositoryMock->method('getClientEntity')->willReturn($client);
$scopeRepositoryMock = $this->getMockBuilder(ScopeRepositoryInterface::class)->getMock();
$scopeEntity = new ScopeEntity();
$scopeRepositoryMock->method('getScopeEntityByIdentifier')->willReturn($scopeEntity);
$scopeRepositoryMock->method('finalizeScopes')->willReturnArgument(0);
$accessTokenRepositoryMock = $this->getMockBuilder(AccessTokenRepositoryInterface::class)->getMock();
$accessTokenRepositoryMock->method('getNewToken')->willReturn(new AccessTokenEntity());
$accessTokenRepositoryMock->method('persistNewAccessToken')->willReturnSelf();
$refreshTokenRepositoryMock = $this->getMockBuilder(RefreshTokenRepositoryInterface::class)->getMock();
$refreshTokenRepositoryMock->method('persistNewRefreshToken')->willReturnSelf();
$refreshTokenRepositoryMock->method('getNewRefreshToken')->willReturn(new RefreshTokenEntity());
$grant = new AuthCodeGrant(
$this->getMock(AuthCodeRepositoryInterface::class),
$this->getMock(RefreshTokenRepositoryInterface::class),
new \DateInterval('PT10M')
);
$grant->enableCodeExchangeProof();
$grant->setClientRepository($clientRepositoryMock);
$grant->setScopeRepository($scopeRepositoryMock);
$grant->setAccessTokenRepository($accessTokenRepositoryMock);
$grant->setRefreshTokenRepository($refreshTokenRepositoryMock);
$grant->setPublicKey(new CryptKey('file://' . __DIR__ . '/../Stubs/public.key'));
$grant->setPrivateKey(new CryptKey('file://' . __DIR__ . '/../Stubs/private.key'));
$request = new ServerRequest(
[],
[],
null,
'POST',
'php://input',
[],
[],
[],
[
'grant_type' => 'authorization_code',
'client_id' => 'foo',
'redirect_uri' => 'http://foo/bar',
'code_verifier' => 'foobar',
'code' => $this->cryptStub->doEncrypt(
json_encode(
[
'auth_code_id' => uniqid(),
'expire_time' => time() + 3600,
'client_id' => 'foo',
'user_id' => 123,
'scopes' => ['foo'],
'redirect_uri' => 'http://foo/bar',
'code_challenge' => 'foobar',
'code_challenge_method' => 'plain',
]
)
),
]
);
/** @var StubResponseType $response */
$response = $grant->respondToAccessTokenRequest($request, new StubResponseType(), new \DateInterval('PT10M'));
$this->assertTrue($response->getAccessToken() instanceof AccessTokenEntityInterface);
$this->assertTrue($response->getRefreshToken() instanceof RefreshTokenEntityInterface);
}
public function testRespondToAccessTokenRequestCodeChallengeS256()
{
$client = new ClientEntity();
$client->setIdentifier('foo');
$client->setRedirectUri('http://foo/bar');
$clientRepositoryMock = $this->getMockBuilder(ClientRepositoryInterface::class)->getMock();
$clientRepositoryMock->method('getClientEntity')->willReturn($client);
$scopeRepositoryMock = $this->getMockBuilder(ScopeRepositoryInterface::class)->getMock();
$scopeEntity = new ScopeEntity();
$scopeRepositoryMock->method('getScopeEntityByIdentifier')->willReturn($scopeEntity);
$scopeRepositoryMock->method('finalizeScopes')->willReturnArgument(0);
$accessTokenRepositoryMock = $this->getMockBuilder(AccessTokenRepositoryInterface::class)->getMock();
$accessTokenRepositoryMock->method('getNewToken')->willReturn(new AccessTokenEntity());
$accessTokenRepositoryMock->method('persistNewAccessToken')->willReturnSelf();
$refreshTokenRepositoryMock = $this->getMockBuilder(RefreshTokenRepositoryInterface::class)->getMock();
$refreshTokenRepositoryMock->method('persistNewRefreshToken')->willReturnSelf();
$refreshTokenRepositoryMock->method('getNewRefreshToken')->willReturn(new RefreshTokenEntity());
$grant = new AuthCodeGrant(
$this->getMock(AuthCodeRepositoryInterface::class),
$this->getMock(RefreshTokenRepositoryInterface::class),
new \DateInterval('PT10M')
);
$grant->enableCodeExchangeProof();
$grant->setClientRepository($clientRepositoryMock);
$grant->setScopeRepository($scopeRepositoryMock);
$grant->setAccessTokenRepository($accessTokenRepositoryMock);
$grant->setRefreshTokenRepository($refreshTokenRepositoryMock);
$grant->setPublicKey(new CryptKey('file://' . __DIR__ . '/../Stubs/public.key'));
$grant->setPrivateKey(new CryptKey('file://' . __DIR__ . '/../Stubs/private.key'));
$request = new ServerRequest(
[],
[],
null,
'POST',
'php://input',
[],
[],
[],
[
'grant_type' => 'authorization_code',
'client_id' => 'foo',
'redirect_uri' => 'http://foo/bar',
'code_verifier' => 'foobar',
'code' => $this->cryptStub->doEncrypt(
json_encode(
[
'auth_code_id' => uniqid(),
'expire_time' => time() + 3600,
'client_id' => 'foo',
'user_id' => 123,
'scopes' => ['foo'],
'redirect_uri' => 'http://foo/bar',
'code_challenge' => urlencode(base64_encode(hash('sha256', 'foobar'))),
'code_challenge_method' => 'S256',
]
)
),
]
);
/** @var StubResponseType $response */
$response = $grant->respondToAccessTokenRequest($request, new StubResponseType(), new \DateInterval('PT10M'));
$this->assertTrue($response->getAccessToken() instanceof AccessTokenEntityInterface);
$this->assertTrue($response->getRefreshToken() instanceof RefreshTokenEntityInterface);
}
/**
* @expectedException \League\OAuth2\Server\Exception\OAuthServerException
* @expectedExceptionCode 3
@ -710,4 +965,222 @@ class AuthCodeGrantTest extends \PHPUnit_Framework_TestCase
$this->assertEquals($e->getHint(), 'Cannot decrypt the authorization code');
}
}
}
public function testRespondToAccessTokenRequestBadCodeVerifierPlain()
{
$client = new ClientEntity();
$client->setIdentifier('foo');
$client->setRedirectUri('http://foo/bar');
$clientRepositoryMock = $this->getMockBuilder(ClientRepositoryInterface::class)->getMock();
$clientRepositoryMock->method('getClientEntity')->willReturn($client);
$scopeRepositoryMock = $this->getMockBuilder(ScopeRepositoryInterface::class)->getMock();
$scopeEntity = new ScopeEntity();
$scopeRepositoryMock->method('getScopeEntityByIdentifier')->willReturn($scopeEntity);
$scopeRepositoryMock->method('finalizeScopes')->willReturnArgument(0);
$accessTokenRepositoryMock = $this->getMockBuilder(AccessTokenRepositoryInterface::class)->getMock();
$accessTokenRepositoryMock->method('getNewToken')->willReturn(new AccessTokenEntity());
$accessTokenRepositoryMock->method('persistNewAccessToken')->willReturnSelf();
$refreshTokenRepositoryMock = $this->getMockBuilder(RefreshTokenRepositoryInterface::class)->getMock();
$refreshTokenRepositoryMock->method('persistNewRefreshToken')->willReturnSelf();
$refreshTokenRepositoryMock->method('getNewRefreshToken')->willReturn(new RefreshTokenEntity());
$grant = new AuthCodeGrant(
$this->getMock(AuthCodeRepositoryInterface::class),
$this->getMock(RefreshTokenRepositoryInterface::class),
new \DateInterval('PT10M')
);
$grant->enableCodeExchangeProof();
$grant->setClientRepository($clientRepositoryMock);
$grant->setAccessTokenRepository($accessTokenRepositoryMock);
$grant->setRefreshTokenRepository($refreshTokenRepositoryMock);
$grant->setScopeRepository($scopeRepositoryMock);
$grant->setPublicKey(new CryptKey('file://' . __DIR__ . '/../Stubs/public.key'));
$grant->setPrivateKey(new CryptKey('file://' . __DIR__ . '/../Stubs/private.key'));
$request = new ServerRequest(
[],
[],
null,
'POST',
'php://input',
[],
[],
[],
[
'grant_type' => 'authorization_code',
'client_id' => 'foo',
'redirect_uri' => 'http://foo/bar',
'code_verifier' => 'nope',
'code' => $this->cryptStub->doEncrypt(
json_encode(
[
'auth_code_id' => uniqid(),
'expire_time' => time() + 3600,
'client_id' => 'foo',
'user_id' => 123,
'scopes' => ['foo'],
'redirect_uri' => 'http://foo/bar',
'code_challenge' => 'foobar',
'code_challenge_method' => 'plain',
]
)
),
]
);
try {
/* @var StubResponseType $response */
$grant->respondToAccessTokenRequest($request, new StubResponseType(), new \DateInterval('PT10M'));
} catch (OAuthServerException $e) {
$this->assertEquals($e->getHint(), 'Failed to verify `code_verifier`.');
}
}
public function testRespondToAccessTokenRequestBadCodeVerifierS256()
{
$client = new ClientEntity();
$client->setIdentifier('foo');
$client->setRedirectUri('http://foo/bar');
$clientRepositoryMock = $this->getMockBuilder(ClientRepositoryInterface::class)->getMock();
$clientRepositoryMock->method('getClientEntity')->willReturn($client);
$scopeRepositoryMock = $this->getMockBuilder(ScopeRepositoryInterface::class)->getMock();
$scopeEntity = new ScopeEntity();
$scopeRepositoryMock->method('getScopeEntityByIdentifier')->willReturn($scopeEntity);
$scopeRepositoryMock->method('finalizeScopes')->willReturnArgument(0);
$accessTokenRepositoryMock = $this->getMockBuilder(AccessTokenRepositoryInterface::class)->getMock();
$accessTokenRepositoryMock->method('getNewToken')->willReturn(new AccessTokenEntity());
$accessTokenRepositoryMock->method('persistNewAccessToken')->willReturnSelf();
$refreshTokenRepositoryMock = $this->getMockBuilder(RefreshTokenRepositoryInterface::class)->getMock();
$refreshTokenRepositoryMock->method('persistNewRefreshToken')->willReturnSelf();
$refreshTokenRepositoryMock->method('getNewRefreshToken')->willReturn(new RefreshTokenEntity());
$grant = new AuthCodeGrant(
$this->getMock(AuthCodeRepositoryInterface::class),
$this->getMock(RefreshTokenRepositoryInterface::class),
new \DateInterval('PT10M')
);
$grant->enableCodeExchangeProof();
$grant->setClientRepository($clientRepositoryMock);
$grant->setAccessTokenRepository($accessTokenRepositoryMock);
$grant->setRefreshTokenRepository($refreshTokenRepositoryMock);
$grant->setScopeRepository($scopeRepositoryMock);
$grant->setPublicKey(new CryptKey('file://' . __DIR__ . '/../Stubs/public.key'));
$grant->setPrivateKey(new CryptKey('file://' . __DIR__ . '/../Stubs/private.key'));
$request = new ServerRequest(
[],
[],
null,
'POST',
'php://input',
[],
[],
[],
[
'grant_type' => 'authorization_code',
'client_id' => 'foo',
'redirect_uri' => 'http://foo/bar',
'code_verifier' => 'nope',
'code' => $this->cryptStub->doEncrypt(
json_encode(
[
'auth_code_id' => uniqid(),
'expire_time' => time() + 3600,
'client_id' => 'foo',
'user_id' => 123,
'scopes' => ['foo'],
'redirect_uri' => 'http://foo/bar',
'code_challenge' => 'foobar',
'code_challenge_method' => 'S256',
]
)
),
]
);
try {
/* @var StubResponseType $response */
$grant->respondToAccessTokenRequest($request, new StubResponseType(), new \DateInterval('PT10M'));
} catch (OAuthServerException $e) {
$this->assertEquals($e->getHint(), 'Failed to verify `code_verifier`.');
}
}
public function testRespondToAccessTokenRequestMissingCodeVerifier()
{
$client = new ClientEntity();
$client->setIdentifier('foo');
$client->setRedirectUri('http://foo/bar');
$clientRepositoryMock = $this->getMockBuilder(ClientRepositoryInterface::class)->getMock();
$clientRepositoryMock->method('getClientEntity')->willReturn($client);
$scopeRepositoryMock = $this->getMockBuilder(ScopeRepositoryInterface::class)->getMock();
$scopeEntity = new ScopeEntity();
$scopeRepositoryMock->method('getScopeEntityByIdentifier')->willReturn($scopeEntity);
$scopeRepositoryMock->method('finalizeScopes')->willReturnArgument(0);
$accessTokenRepositoryMock = $this->getMockBuilder(AccessTokenRepositoryInterface::class)->getMock();
$accessTokenRepositoryMock->method('getNewToken')->willReturn(new AccessTokenEntity());
$accessTokenRepositoryMock->method('persistNewAccessToken')->willReturnSelf();
$refreshTokenRepositoryMock = $this->getMockBuilder(RefreshTokenRepositoryInterface::class)->getMock();
$refreshTokenRepositoryMock->method('persistNewRefreshToken')->willReturnSelf();
$refreshTokenRepositoryMock->method('getNewRefreshToken')->willReturn(new RefreshTokenEntity());
$grant = new AuthCodeGrant(
$this->getMock(AuthCodeRepositoryInterface::class),
$this->getMock(RefreshTokenRepositoryInterface::class),
new \DateInterval('PT10M')
);
$grant->enableCodeExchangeProof();
$grant->setClientRepository($clientRepositoryMock);
$grant->setAccessTokenRepository($accessTokenRepositoryMock);
$grant->setRefreshTokenRepository($refreshTokenRepositoryMock);
$grant->setScopeRepository($scopeRepositoryMock);
$grant->setPublicKey(new CryptKey('file://' . __DIR__ . '/../Stubs/public.key'));
$grant->setPrivateKey(new CryptKey('file://' . __DIR__ . '/../Stubs/private.key'));
$request = new ServerRequest(
[],
[],
null,
'POST',
'php://input',
[],
[],
[],
[
'grant_type' => 'authorization_code',
'client_id' => 'foo',
'redirect_uri' => 'http://foo/bar',
'code' => $this->cryptStub->doEncrypt(
json_encode(
[
'auth_code_id' => uniqid(),
'expire_time' => time() + 3600,
'client_id' => 'foo',
'user_id' => 123,
'scopes' => ['foo'],
'redirect_uri' => 'http://foo/bar',
'code_challenge' => 'foobar',
'code_challenge_method' => 'plain',
]
)
),
]
);
try {
/* @var StubResponseType $response */
$grant->respondToAccessTokenRequest($request, new StubResponseType(), new \DateInterval('PT10M'));
} catch (OAuthServerException $e) {
$this->assertEquals($e->getHint(), 'Check the `code_verifier` parameter');
}
}
}