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Support laravel passport 10x #19

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368 changes: 186 additions & 182 deletions src/Http/Controllers/IntrospectionController.php
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Original file line number Diff line number Diff line change
Expand Up @@ -8,9 +8,14 @@
use Laravel\Passport\Bridge\AccessTokenRepository;
use Laravel\Passport\ClientRepository;
use Laravel\Passport\Passport;
use Lcobucci\Clock\SystemClock;
use Lcobucci\JWT\Configuration;
use Lcobucci\JWT\Parser;
use Lcobucci\JWT\Signer\Key\InMemory;
use Lcobucci\JWT\Signer\Rsa\Sha256;
use Lcobucci\JWT\Token;
use Lcobucci\JWT\ValidationData;
use Lcobucci\JWT\Validation\Constraint\SignedWith;
use Lcobucci\JWT\Validation\Constraint\LooseValidAt;
use League\OAuth2\Server\Exception\OAuthServerException;
use League\OAuth2\Server\ResourceServer;
use Psr\Http\Message\ResponseInterface;
Expand All @@ -19,184 +24,183 @@

class IntrospectionController
{
/**
* @var \Lcobucci\JWT\Parser
*/
private $jwt;

/**
* @var \League\OAuth2\Server\ResourceServer
*/
private $resourceServer;

/**
* @var \Laravel\Passport\Bridge\AccessTokenRepository
*/
private $accessTokenRepository;

/**
* @var \Laravel\Passport\ClientRepository
*/
private $clientRepository;

/**
* constructing IntrospectionController
*
* @param \Lcobucci\JWT\Parser $jwt
* @param \League\OAuth2\Server\ResourceServer $resourceServer
* @param \Laravel\Passport\Bridge\AccessTokenRepository $accessTokenRepository
* @param \Laravel\Passport\ClientRepository
*/
public function __construct(
Parser $jwt,
ResourceServer $resourceServer,
AccessTokenRepository $accessTokenRepository,
ClientRepository $clientRepository
)
{
$this->jwt = $jwt;
$this->resourceServer = $resourceServer;
$this->accessTokenRepository = $accessTokenRepository;
$this->clientRepository = $clientRepository;
}

/**
* Authorize a client to access the user's account.
*
* @param ServerRequestInterface $request
*
* @return JsonResponse|ResponseInterface
*/
public function introspectToken(ServerRequestInterface $request)
{
try {
$this->resourceServer->validateAuthenticatedRequest($request);

if (Arr::get($request->getParsedBody(), 'token_type_hint', 'access_token') !== 'access_token') {
// unsupported introspection
return $this->notActiveResponse();
}

$accessToken = Arr::get($request->getParsedBody(), 'token');
if ($accessToken === null) {
return $this->notActiveResponse();
}

$token = $this->jwt->parse($accessToken);
if (!$this->verifyToken($token)) {
return $this->errorResponse([
'error' => [
'title' => 'Token invalid'
]
]);
}

/** @var string $userModel */
$userModel = config('auth.providers.users.model');
$user = (new $userModel)->find($token->getClaim('sub'));

return $this->jsonResponse([
'active' => true,
'scope' => trim(implode(' ', (array)$token->getClaim('scopes', []))),
'client_id' => $token->getClaim('aud'),
'username' => optional($user)->email,
'token_type' => 'access_token',
'exp' => intval($token->getClaim('exp')),
'iat' => intval($token->getClaim('iat')),
'nbf' => intval($token->getClaim('nbf')),
'sub' => $token->getClaim('sub'),
'aud' => $token->getClaim('aud'),
'jti' => $token->getClaim('jti'),
]);
} catch (OAuthServerException $oAuthServerException) {
return $oAuthServerException->generateHttpResponse(new Psr7Response);
} catch (\Exception $exception) {
return $this->exceptionResponse($exception);
}
}

/**
* returns inactive token message
*
* @return \Illuminate\Http\JsonResponse
*/
private function notActiveResponse() : JsonResponse
{
return $this->jsonResponse(['active' => false]);
}

/**
* @param array|mixed $data
* @param int $status
*
* @return \Illuminate\Http\JsonResponse
*/
private function jsonResponse($data, $status = 200) : JsonResponse
{
return new JsonResponse($data, $status);
}

private function verifyToken(Token $token) : bool
{
$signer = new \Lcobucci\JWT\Signer\Rsa\Sha256();
$publicKey = 'file://' . Passport::keyPath('oauth-public.key');

try {
if (!$token->verify($signer, $publicKey)) {
return false;
}

$data = new ValidationData();
$data->setCurrentTime(time());

if (!$token->validate($data)) {
return false;
}

// is token revoked?
if ($this->accessTokenRepository->isAccessTokenRevoked($token->getClaim('jti'))) {
return false;
}

if ($this->clientRepository->revoked($token->getClaim('aud'))) {
return false;
}

return true;
} catch (\Exception $exception) {
}

return false;
}

/**
* @param array $data
* @param int $status
*
* @return \Illuminate\Http\JsonResponse
*/
private function errorResponse($data, $status = 400) : JsonResponse
{
return $this->jsonResponse($data, $status);
}

/**
* returns an error
*
* @param \Exception $exception
* @param int $status
*
* @return \Illuminate\Http\JsonResponse
*/
private function exceptionResponse(\Exception $exception, $status = 500) : JsonResponse
{
return $this->errorResponse([
'error' => [
'id' => Str::slug(get_class($exception) . ' ' . $status),
'status' => $status,
'title' => $exception->getMessage(),
'detail' => $exception->getTraceAsString()
],
], $status);
}
}
/**
* @var Lcobucci\JWT\Configuration
*/
private $configuration;

/**
* @var \League\OAuth2\Server\ResourceServer
*/
private $resourceServer;

/**
* @var \Laravel\Passport\Bridge\AccessTokenRepository
*/
private $accessTokenRepository;

/**
* @var \Laravel\Passport\ClientRepository
*/
private $clientRepository;

/**
* constructing IntrospectionController
*
* @param \Lcobucci\JWT\Parser $jwt
* @param \League\OAuth2\Server\ResourceServer $resourceServer
* @param \Laravel\Passport\Bridge\AccessTokenRepository $accessTokenRepository
* @param \Laravel\Passport\ClientRepository
*/
public function __construct(
Parser $jwt,
ResourceServer $resourceServer,
AccessTokenRepository $accessTokenRepository,
ClientRepository $clientRepository
) {
$this->jwt = $jwt;
$this->resourceServer = $resourceServer;
$this->accessTokenRepository = $accessTokenRepository;
$this->clientRepository = $clientRepository;

$key = InMemory::file(Passport::keyPath('oauth-public.key'));
$configuration = Configuration::forSymmetricSigner( new Sha256(), $key);
$configuration->setValidationConstraints(
new LooseValidAt(new SystemClock(new \DateTimeZone(\date_default_timezone_get()))),
new SignedWith(new Sha256(), $key)
);
$this->configuration = $configuration;
}

/**
* Authorize a client to access the user's account.
*
* @param ServerRequestInterface $request
*
* @return JsonResponse|ResponseInterface
*/
public function introspectToken(ServerRequestInterface $request)
{
try {
$this->resourceServer->validateAuthenticatedRequest($request);

if (Arr::get($request->getParsedBody(), 'token_type_hint', 'access_token') !== 'access_token') {
// unsupported introspection
return $this->notActiveResponse();
}

$accessToken = Arr::get($request->getParsedBody(), 'token');
if ($accessToken === null) {
return $this->notActiveResponse();
}

$token = $this->configuration->parser()->parse($accessToken);
if (!$this->verifyToken($token)) {
return $this->errorResponse([
'error' => [
'title' => 'Token invalid'
]
]);
}

$claims = $token->claims();

/** @var string $userModel */
$userModel = config('auth.providers.users.model');
$user = (new $userModel)->find($claims->get('sub'));

return $this->jsonResponse([
'active' => true,
'scope' => trim(implode(' ', (array)$claims->get('scopes', []))),
'client_id' => $claims->get('aud'),
'username' => optional($user)->email,
'token_type' => 'access_token',
'exp' => $claims->get('exp')->getTimestamp(),
'iat' => $claims->get('iat')->getTimestamp(),
'nbf' => $claims->get('nbf')->getTimestamp(),
'sub' => $claims->get('sub'),
'aud' => $claims->get('aud'),
'jti' => $claims->get('jti'),
]);
} catch (OAuthServerException $oAuthServerException) {
return $oAuthServerException->generateHttpResponse(new Psr7Response);
} catch (\Exception $exception) {
return $this->exceptionResponse($exception);
}
}

/**
* returns inactive token message
*
* @return \Illuminate\Http\JsonResponse
*/
private function notActiveResponse(): JsonResponse
{
return $this->jsonResponse(['active' => false]);
}

/**
* @param array|mixed $data
* @param int $status
*
* @return \Illuminate\Http\JsonResponse
*/
private function jsonResponse($data, $status = 200): JsonResponse
{
return new JsonResponse($data, $status);
}

private function verifyToken(Token $token): bool
{
try {
if (!$this->configuration->validator()->validate($token, ...$this->configuration->validationConstraints())) {
return false;
}

// is token revoked?
if ($this->accessTokenRepository->isAccessTokenRevoked($token->claims()->get('jti'))) {
return false;
}

if ($this->clientRepository->revoked($token->claims()->get('aud'))) {
return false;
}

return true;
} catch (\Exception $exception) {
}

return false;
}

/**
* @param array $data
* @param int $status
*
* @return \Illuminate\Http\JsonResponse
*/
private function errorResponse($data, $status = 400): JsonResponse
{
return $this->jsonResponse($data, $status);
}

/**
* returns an error
*
* @param \Exception $exception
* @param int $status
*
* @return \Illuminate\Http\JsonResponse
*/
private function exceptionResponse(\Exception $exception, $status = 500): JsonResponse
{
return $this->errorResponse([
'error' => [
'id' => Str::slug(get_class($exception) . ' ' . $status),
'status' => $status,
'title' => $exception->getMessage(),
'detail' => $exception->getTraceAsString()
],
], $status);
}
}