* For more information about using OAuth 2.0 to access Google APIs, please see: * * Please ensure that you have enabled the YouTube Data API for your project. */ $OAUTH2_CLIENT_ID = 'REPLACE_ME'; $OAUTH2_CLIENT_SECRET = 'REPLACE_ME'; $client = new Google_Client(); $client->setClientId($OAUTH2_CLIENT_ID); $client->setClientSecret($OAUTH2_CLIENT_SECRET); $client->setScopes('https://www.googleapis.com/auth/youtube'); $redirect = filter_var('http://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'], FILTER_SANITIZE_URL); $client->setRedirectUri($redirect); // Define an object that will be used to make all API requests. $youtube = new Google_Service_YouTube($client); // Check if an auth token exists for the required scopes $tokenSessionKey = 'token-' . $client->prepareScopes(); if (isset($_GET['code'])) { if (strval($_SESSION['state']) !== strval($_GET['state'])) { die('The session state did not match.'); } $client->authenticate($_GET['code']); $_SESSION[$tokenSessionKey] = $client->getAccessToken(); header('Location: ' . $redirect); } if (isset($_SESSION[$tokenSessionKey])) { $client->setAccessToken($_SESSION[$tokenSessionKey]); } // Check to ensure that the access token was successfully acquired. if ($client->getAccessToken()) { $htmlBody = ''; try { // This code subscribes the authenticated user to the specified channel. // Identify the resource being subscribed to by specifying its channel ID // and kind. $resourceId = new Google_Service_YouTube_ResourceId(); $resourceId->setChannelId('UCtVd0c0tGXuTSbU5d8cSBUg'); $resourceId->setKind('youtube#channel'); // Create a snippet object and set its resource ID. $subscriptionSnippet = new Google_Service_YouTube_SubscriptionSnippet(); $subscriptionSnippet->setResourceId($resourceId); // Create a subscription request that contains the snippet object. $subscription = new Google_Service_YouTube_Subscription(); $subscription->setSnippet($subscriptionSnippet); // Execute the request and return an object containing information // about the new subscription. $subscriptionResponse = $youtube->subscriptions->insert('id,snippet', $subscription, array()); $htmlBody .= "

Subscription

'; } catch (Google_Service_Exception $e) { $htmlBody .= sprintf('

A service error occurred: %s

', htmlspecialchars($e->getMessage())); } catch (Google_Exception $e) { $htmlBody .= sprintf('

An client error occurred: %s

', htmlspecialchars($e->getMessage())); } $_SESSION[$tokenSessionKey] = $client->getAccessToken(); } elseif ($OAUTH2_CLIENT_ID == 'REPLACE_ME') { $htmlBody = <<Client Credentials Required

You need to set \$OAUTH2_CLIENT_ID and \$OAUTH2_CLIENT_ID before proceeding.

END; } else { // If the user has not authorized the application, start the OAuth 2.0 flow. $state = mt_rand(); $client->setState($state); $_SESSION['state'] = $state; $authUrl = $client->createAuthUrl(); $htmlBody = <<Authorization Required

You need to authorize access before proceeding.

END; } ?> Returned Subscription