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<?php

/**
 * Example of retrieving an authentication token of the Reddit service
 *
 * PHP version 5.4
 * 
 * @author     Connor Hindley <conn.hindley@gmail.com>
 * @copyright  Copyright (c) 2012 The authors
 * @license    http://www.opensource.org/licenses/mit-license.html  MIT License
 */

use OAuth\OAuth2\Service\Reddit;
use OAuth\Common\Storage\Session;
use OAuth\Common\Consumer\Credentials;

/**
 * Bootstrap the example
 */
require_once __DIR__ . '/bootstrap.php';

// Session storage
$storage = new Session();

// Setup the credentials for the requests
$credentials = new Credentials(
    $servicesCredentials['reddit']['key'],
    $servicesCredentials['reddit']['secret'],
    $currentUri->getAbsoluteUri()
);

// Instantiate the Reddit service using the credentials, http client and storage mechanism for the token
/** @var $reddit Reddit */
$reddit = $serviceFactory->createService('Reddit', $credentials, $storage, array('identity'));

if (!empty($_GET['code'])) {
    // retrieve the CSRF state parameter
    $state = isset($_GET['state']) ? $_GET['state'] : null;

    // This was a callback request from reddit, get the token
    $reddit->requestAccessToken($_GET['code'], $state);

    $result = json_decode($reddit->request('api/v1/me.json'), true);

    echo 'Your unique reddit user id is: ' . $result['id'] . ' and your username is ' . $result['name'];

} elseif (!empty($_GET['go']) && $_GET['go'] === 'go') {
    $url = $reddit->getAuthorizationUri();
    header('Location: ' . $url);

} else {
    $url = $currentUri->getRelativeUri() . '?go=go';
    echo "<a href='$url'>Login with Reddit!</a>";
}