'; $client_secret = ''; $redirect_uri = ''; /************************************************ Make an API request on behalf of a user. In this case we need to have a valid OAuth 2.0 token for the user, so we need to send them through a login flow. To do this we need some information from our API console project. ************************************************/ $client = new Google_Client(); $client->setClientId($client_id); $client->setClientSecret($client_secret); $client->setRedirectUri($redirect_uri); $client->addScope("https://www.googleapis.com/auth/urlshortener"); /************************************************ When we create the service here, we pass the client to it. The client then queries the service for the required scopes, and uses that when generating the authentication URL later. ************************************************/ $service = new Google_Service_Urlshortener($client); /************************************************ If we're logging out we just need to clear our local access token in this case ************************************************/ if (isset($_REQUEST['logout'])) { unset($_SESSION['access_token']); } /************************************************ If we have a code back from the OAuth 2.0 flow, we need to exchange that with the authenticate() function. We store the resultant access token bundle in the session, and redirect to ourself. ************************************************/ if (isset($_GET['code'])) { $client->authenticate($_GET['code']); $_SESSION['access_token'] = $client->getAccessToken(); $redirect = 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF']; header('Location: ' . filter_var($redirect, FILTER_SANITIZE_URL)); } /************************************************ If we have an access token, we can make requests, else we generate an authentication URL. ************************************************/ if (isset($_SESSION['access_token']) && $_SESSION['access_token']) { $client->setAccessToken($_SESSION['access_token']); } else { $authUrl = $client->createAuthUrl(); } /************************************************ If we're signed in and have a request to shorten a URL, then we create a new URL object, set the unshortened URL, and call the 'insert' method on the 'url' resource. Note that we re-store the access_token bundle, just in case anything changed during the request - the main thing that might happen here is the access token itself is refreshed if the application has offline access. ************************************************/ if ($client->getAccessToken() && isset($_GET['url'])) { $url = new Google_Service_Urlshortener_Url(); $url->longUrl = $_GET['url']; $short = $service->url->insert($url); $_SESSION['access_token'] = $client->getAccessToken(); } echo pageHeader("User Query - URL Shortener"); if (strpos($client_id, "googleusercontent") == false) { echo missingClientSecretsWarning(); exit; } ?>
Connect Me!"; } else { echo << Logout END; } ?>