PHP UserAPIToken Examples

Example #1

File: CanvasAPIviaLTI.php Project: smtech/assessment-calendar

 /**
  * Handle launch requests, which start the application running
  **/
 public function onLaunch()
 {
     global $metadata;
     // FIXME grown-ups don't program like this
     global $sql;
     // FIXME grown-ups don't program like this
     /* is this user in a role that can use this app? */
     if ($this->user->isLearner() || $this->user->isStaff()) {
         /* set up any needed session variables */
         $_SESSION['consumer_key'] = $this->consumer->getKey();
         $_SESSION['resource_id'] = $this->resource_link->getId();
         $_SESSION['user_consumer_key'] = $this->user->getResourceLink()->getConsumer()->getKey();
         $_SESSION['user_id'] = $this->user->getId();
         $_SESSION['isStudent'] = $this->user->isLearner();
         $_SESSION['isContentItem'] = FALSE;
         /* do we have an admin API access token? */
         $haveToken = true;
         if (empty($metadata['CANVAS_API_TOKEN'])) {
             /* ...if not, do we have a user API access token for this user? */
             $userToken = new UserAPIToken($_SESSION['user_consumer_key'], $_SESSION['user_id'], $sql);
             if (empty($userToken->getToken())) {
                 /* ...if this user has no token, let's start by getting one */
                 $haveToken = false;
                 $this->redirectURL = "{$metadata['APP_URL']}/lti/token_request.php?oauth=request";
             } else {
                 /* ...but if the user does have a token, rock on! */
                 $_SESSION['isUserToken'] = true;
                 $_SESSION['apiToken'] = $userToken->getToken();
                 //$_SESSION['apiUrl'] = $userToken->getAPIUrl();
             }
         } else {
             /* ...if we have an admin API token, rock on! */
             $_SESSION['isUserToken'] = false;
             $_SESSION['apiToken'] = $metadata['CANVAS_API_TOKEN'];
             //$_SESSION['apiUrl'] = $metadata['CANVAS_API_URL'];
         }
         $_SESSION['apiUrl'] = 'https://' . $this->user->getResourceLink()->settings['custom_canvas_api_domain'] . '/api/v1';
         /* pass control off to the app */
         if ($haveToken) {
             $this->redirectURL = "{$metadata['APP_URL']}/app.php?lti-request=launch";
         }
         /* ...otherwise set an appropriate error message and fail */
     } else {
         $this->reason = 'Invalid role';
         $this->isOK = false;
     }
 }

Example #2

File: token_request.php Project: smtech/student-feedback-review

require_once 'common.inc.php';
/* this file handles the entire OAuth API token negotiation for a user token --
   update it to include a better explanation, pertinent to your app, for why the
   user is about to be asked to log into Canvas in the middle of Canvas */
try {
    $oauth = new OAuthNegotiator();
} catch (OAuthNegotiator_Exception $e) {
}
if (isset($_REQUEST['oauth'])) {
    switch ($_REQUEST['oauth']) {
        case 'request':
            $smarty->assign('content', '<h1>Token Request</h1>
		<p>This application requires access to the Canvas APIs. Canvas is about to ask you to give permission for this.</p>
		<p><a href="' . $_SERVER['PHP_SELF'] . '?oauth=process">Click to continue</a></p>');
            $smarty->display();
            exit;
        case 'process':
            $oauth = new OAuthNegotiator('https://' . $toolProvider->user->getResourceLink()->settings['custom_canvas_api_domain'] . '/login/oauth2', (string) $secrets->oauth->id, (string) $secrets->oauth->key, "{$_SERVER['PHP_SELF']}?oauth=complete", (string) $secrets->app->name);
            break;
        case 'complete':
            $user = new UserAPIToken($_SESSION['user_consumer_key'], $_SESSION['user_id'], $sql);
            $user->setToken($oauth->getToken());
            $user->setAPIUrl("{$metadata['CANVAS_INSTANCE_URL']}/api/v1");
            $_SESSION['apiToken'] = $user->getToken();
            $_SESSION['apiUrl'] = $user->getAPIUrl();
            $_SESSION['isUserToken'] = true;
            header("Location: {$metadata['APP_URL']}/app.php");
            exit;
    }
}