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Editing: google-callback.php

<?php
require_once 'google-config.php';

// Check if the authorization code is present
if (isset($_GET['code'])) {
    try {
        // Exchange the authorization code for an access token
        $token = $client->fetchAccessTokenWithAuthCode($_GET['code']);

// Check if the token exchange was successful
        if (array_key_exists('error', $token)) {
            throw new Exception('Token exchange failed: ' . $token['error']);
        }

// Ensure the access token is set
        if (!isset($token['access_token'])) {
            throw new Exception('Access token not found in the response.');
        }

// Set the access token in the client
        $client->setAccessToken($token['access_token']);

// Get user profile info
        $google_oauth = new Google_Service_Oauth2($client);
        $google_account_info = $google_oauth->userinfo->get();

$email = $google_account_info->email;
        $name = $google_account_info->name;

// TODO: Add user to your database or start a session
        // Example: Redirect to the dashboard after successful login
        header('Location: dashboard.php');
        exit();
    } catch (Exception $e) {
        // Log the error and redirect to the register page
        error_log('Google OAuth Error: ' . $e->getMessage());
        header('Location: register.php');
        exit();
    }
} else {
    // Redirect to the register page if no authorization code is found
    header('Location: register.php');
    exit();
}
?>

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