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<?php
namespace OAuth2\GrantType;
use OAuth2\Storage\UserCredentialsInterface;
use OAuth2\ResponseType\AccessTokenInterface;
use OAuth2\RequestInterface;
use OAuth2\ResponseInterface;
/**
*
* @author Brent Shaffer <bshafs at gmail dot com>
*/
class UserCredentials implements GrantTypeInterface
{
private $userInfo;
protected $storage;
/**
* @param OAuth2\Storage\UserCredentialsInterface $storage REQUIRED Storage class for retrieving user credentials information
*/
public function __construct(UserCredentialsInterface $storage)
{
$this->storage = $storage;
}
public function getQuerystringIdentifier()
{
return 'password';
}
public function validateRequest(RequestInterface $request, ResponseInterface $response)
{
if (!$request->request("password") || !$request->request("username")) {
$response->setError(400, 'invalid_request', 'Missing parameters: "username" and "password" required');
return null;
}
if (!$this->storage->checkUserCredentials($request->request("username"), $request->request("password"))) {
$response->setError(401, 'invalid_grant', 'Invalid username and password combination');
return null;
}
$userInfo = $this->storage->getUserDetails($request->request("username"));
if (empty($userInfo)) {
$response->setError(400, 'invalid_grant', 'Unable to retrieve user information');
return null;
}
if (!isset($userInfo['user_id'])) {
throw new \LogicException("you must set the user_id on the array returned by getUserDetails");
}
$this->userInfo = $userInfo;
return true;
}
public function getClientId()
{
return null;
}
public function getUserId()
{
return $this->userInfo['user_id'];
}
public function getScope()
{
return isset($this->userInfo['scope']) ? $this->userInfo['scope'] : null;
}
public function createAccessToken(AccessTokenInterface $accessToken, $client_id, $user_id, $scope)
{
return $accessToken->createAccessToken($client_id, $user_id, $scope);
}
}
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