oauth2.php

<?php
/**
 * Created by PhpStorm.
 * User: ManjeshV
 * Date: 10/23/2015
 * Time: 12:19 PM
 */

$dsn = "mysql:host=localhost;dbname=mig";
$username = "root";
$password = "";
$storage = new OAuth2\Storage\Pdo(array('dsn' => $dsn, 'username' => $username, 'password' => $password));
$server = new OAuth2\Server($storage);
$server->addGrantType(new OAuth2\GrantType\AuthorizationCode($storage)); // or any grant type you like!
$server->addGrantType(new OAuth2\GrantType\ClientCredentials($storage));
// now you can perform storage functions, such as the one below
//$storage->setClientDetails($client_id, $client_secret, $redirect_uri);


//Authorize
//handleAuthorizeRequest
//validateAuthorizeRequest
//Resource
//verifyResourceRequest
//getAccessTokenData

//Token
//grantAccessToken
//handleTokenRequest

$app->post(
    '/token',
    function () {
        // include our OAuth2 Server object
//        require_once __DIR__.'/oauth2.php';
        $dsn = "mysql:host=localhost;dbname=mig";
        $username = "root";
        $password = "";
        $storage = new OAuth2\Storage\Pdo(array('dsn' => $dsn, 'username' => $username, 'password' => $password));
        $server = new OAuth2\Server($storage);
        $server->addGrantType(new OAuth2\GrantType\AuthorizationCode($storage)); // or any grant type you like!
        $server->addGrantType(new OAuth2\GrantType\RefreshToken($storage)); // or any grant type you like!
        $server->addGrantType(new OAuth2\GrantType\ClientCredentials($storage));

        $server->addGrantType(new OAuth2\GrantType\UserCredentials($storage));
// Handle a request for an OAuth2.0 Access Token and send the response to the client
        $server->handleTokenRequest(OAuth2\Request::createFromGlobals())->send();
//        require_once 'server.php';
//        $server->handleTokenRequest(OAuth2\Request::createFromGlobals())->send();
    }
);

$app->map(
    '/authorize',
    function () {
        // include our OAuth2 Server object
        // require_once __DIR__.'/oauth2.php';
        $dsn = "mysql:host=localhost;dbname=mig";
        $username = "root";
        $password = "";
        $storage = new OAuth2\Storage\Pdo(array('dsn' => $dsn, 'username' => $username, 'password' => $password));
        $server = new OAuth2\Server($storage, array('allow_implicit' => true));
        $server->addGrantType(new OAuth2\GrantType\AuthorizationCode($storage)); // or any grant type you like!
        $server->addGrantType(new OAuth2\GrantType\ClientCredentials($storage));

        $request = OAuth2\Request::createFromGlobals();
        $response = new OAuth2\Response();

        if (!$server->validateAuthorizeRequest($request, $response)) {
            $response->send();
            die;
        }
        // display an authorization form
        if (empty($_POST)) {
            exit('
                <form method="post">
                  <label>Do You Authorize TestClient?</label><br />
                  <input type="submit" name="authorized" value="yes">
                  <input type="submit" name="authorized" value="no">
                </form>');
        }

        // print the authorization code if the user has authorized your client
        $is_authorized = ($_POST['authorized'] === 'yes');
        $server->handleAuthorizeRequest($request, $response, $is_authorized);
        if ($is_authorized) {
            // this is only here so that you get to see your code in the cURL request. Otherwise, we'd redirect back to the client
            $code = substr($response->getHttpHeader('Location'), strpos($response->getHttpHeader('Location'), 'code=')+5, 40);
            exit("SUCCESS! Authorization Code: $code");
        }
        $response->send();

    }
)->via('GET', 'POST')->name('authorize');;

/// users limit
  $dsn = "mysql:host=localhost;dbname=mig";
        $username = "root";
        $password = "";
        $storage = new OAuth2\Storage\Pdo(array('dsn' => $dsn, 'username' => $username, 'password' => $password));
        $server = new OAuth2\Server($storage);
        $server->addGrantType(new OAuth2\GrantType\AuthorizationCode($storage)); // or any grant type you like!
        $server->addGrantType(new OAuth2\GrantType\ClientCredentials($storage));
        if (!$server->verifyResourceRequest(OAuth2\Request::createFromGlobals())) {
            $server->getResponse()->send();
            die;
        }