php Youtube Data API v3

Posted 2021-05-04

<?php

/*________________________________________________
    SUBSCRIBE USER 
------------------------------------------------*/
public function subscribe( Request $request) {

    $OAUTH2_CLIENT_ID = '328139019763-quomgab8kpgmek3nroe95l2c81p17gn3.apps.googleusercontent.com';
    $OAUTH2_CLIENT_SECRET = 'DisUNZAbJ1OomaCaMW3ziZh1';
    $client = new Google_Client();
    // $client->setAuthConfig('jsonfile.json');
    $client->setClientId($OAUTH2_CLIENT_ID);
    $client->setClientSecret($OAUTH2_CLIENT_SECRET);
    $client->setScopes('https://www.googleapis.com/auth/youtube');

    // $client->setRedirectUri($redirect);
    $client->setRedirectUri('http://hotvue.herokuapp.com/admin/ytsubscribe') ;
    
    // 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( $request->session()->get('state') ) !== strval($_GET['state'])) {
            die('The session state did not match.');
        }
        $client->authenticate($_GET['code']);
        // $_SESSION[$tokenSessionKey] = $client->getAccessToken();
        Session::put($tokenSessionKey, $client->getAccessToken());

        // modify this route to where you want to redirect
        return redirect()->route('subscription.subscribe'); 
        // header('Location: ' . $redirect);
    }

// ============================  Check Session - Process Token  ==========================================

    // if (isset($_SESSION[$tokenSessionKey])) {
    // if ( isset( Session::get( $tokenSessionKey ) ) ) {
    if ($request->session()->has($tokenSessionKey)) {
        $client->setAccessToken( Session::get( $tokenSessionKey ) );
    }
    // Check to ensure that the access token was successfully acquired.
    if ($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();
        
            // SUBSCRIBE TO THIS CHANNEL 
            $resourceId->setChannelId('UCtVd0c0tGXuTSbU5d8cSBUg'); // Google dev channel
            //$resourceId->setChannelId('UCVi2lI40LetxLBKn-rtWC3A'); // FUnimation Channel
        
            $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());
            
                // SUCCESS SUBSCRIPTION
            $htmlBody .= "<h3>Successful Subscription</h3><ul>";
            $htmlBody .= sprintf('<li>%s (%s)</li>',
                $subscriptionResponse['snippet']['title'],
                $subscriptionResponse['id']);
        
            // Flush these session variables
            $request->session()->forget($tokenSessionKey);
            $request->session()->forget('state');                    
        
            $htmlBody .= '</ul>';
            } catch (Google_Service_Exception $e) {
                $htmlBody .= sprintf('<p>A service error occurred: <code>%s</code></p>',
                htmlspecialchars($e->getMessage()));
            } catch (Google_Exception $e) {
                $htmlBody .= sprintf('<p>An client error occurred: <code>%s</code></p>',
                htmlspecialchars($e->getMessage()));
            }
        // $_SESSION[$tokenSessionKey] = $client->getAccessToken();
        Session::put($tokenSessionKey, $client->getAccessToken());

    } elseif ($OAUTH2_CLIENT_ID != '328139019763-quomgab8kpgmek3nroe95l2c81p17gn3.apps.googleusercontent.com') {
    $htmlBody = "OAUTH KEY REQUIRED " ;


    // DEFAULT - DISPLAY AUTH URL
    } else {
    // If the user has not authorized the application, start the OAuth 2.0 flow.
    $state = mt_rand();
    $client->setState($state);
    // $_SESSION['state'] = $state;
    Session::put('state', $state);
    $authUrl = $client->createAuthUrl();
    $htmlBody = '<p><a id='. "sub" . ' href='. "$authUrl" . '>authorize access</a> before proceeding.<p>';

    }

    return view('admin.subscription.ytsubscription')->with('htmlBody', $htmlBody)  ;

}