/**
* Complete the auth code grant
*
* @return array
*
* @throws
*/
public function completeFlow()
{
// Get the required params
$clientId = $this->server->getRequest()->query->get('client_id', $this->server->getRequest()->getUser());
if (is_null($clientId)) {
throw new Exception\InvalidRequestException('client_id');
}
$clientSecret = $this->server->getRequest()->query->get('client_secret', $this->server->getRequest()->getPassword());
if ($this->shouldRequireClientSecret() && is_null($clientSecret)) {
throw new Exception\InvalidRequestException('client_secret');
}
$redirectUri = $this->server->getRequest()->query->get('redirect_uri', null);
if (is_null($redirectUri)) {
throw new Exception\InvalidRequestException('redirect_uri');
}
// Validate client ID and client secret
$client = $this->server->getClientStorage()->get($clientId, $clientSecret, $redirectUri, $this->getIdentifier());
if ($client instanceof ClientEntity === false) {
$this->server->getEventEmitter()->emit(new Event\ClientAuthenticationFailedEvent($this->server->getRequest()));
throw new Exception\InvalidClientException();
}
// Validate the auth code
$authCode = $this->server->getRequest()->query->get('code', null);
if (is_null($authCode)) {
throw new Exception\InvalidRequestException('code');
}
// $code: AuthCodeEntity
$code = $this->server->getAuthCodeStorage()->get($authCode);
if ($code instanceof AuthCodeEntity === false) {
throw new Exception\InvalidRequestException('code');
}
// Ensure the auth code hasn't expired
if ($code->isExpired() === true) {
throw new Exception\InvalidRequestException('code');
}
// Check redirect URI presented matches redirect URI originally used in authorize request
if ($code->getRedirectUri() !== $redirectUri) {
throw new Exception\InvalidRequestException('redirect_uri');
}
// $session: SessionEntity
$session = $code->getSession();
$session->associateClient($client);
// $authCodeScopes: [ScopeEntity]
$authCodeScopes = $code->getScopes();
// Generate the access token
$accessToken = new AccessTokenEntity($this->server);
$accessToken->setId(SecureKey::generate());
$accessToken->setExpireTime($this->getAccessTokenTTL() + time());
foreach ($authCodeScopes as $authCodeScope) {
$session->associateScope($authCodeScope);
}
foreach ($session->getScopes() as $scope) {
$accessToken->associateScope($scope);
}
$this->server->getTokenType()->setSession($session);
$this->server->getTokenType()->setParam('access_token', $accessToken->getId());
$this->server->getTokenType()->setParam('expires_in', $this->getAccessTokenTTL());
// Associate a refresh token if set
if ($this->server->hasGrantType('refresh_token')) {
$refreshToken = new RefreshTokenEntity($this->server);
$refreshToken->setId(SecureKey::generate());
$refreshToken->setExpireTime($this->server->getGrantType('refresh_token')->getRefreshTokenTTL() + time());
$this->server->getTokenType()->setParam('refresh_token', $refreshToken->getId());
}
// Expire the auth code
$code->expire();
// Save all the things
$accessToken->setSession($session);
$accessToken->save();
if (isset($refreshToken) && $this->server->hasGrantType('refresh_token')) {
$refreshToken->setAccessToken($accessToken);
$refreshToken->save();
}
return $this->server->getTokenType()->generateResponse();
}