<?php

require_once __DIR__ . '/vendor/autoload.php';

use Silex\Application;

use Symfony\Component\HttpFoundation\Request;

use Symfony\Component\HttpFoundation\Response;

use Guzzle\Http\Client;

$app = new Application();

$app['debug'] = true;

$app->get('/load', function (Request $request) use ($app) {

$data = verifySignedRequest($request->get('signed_payload'));

if (empty($data)) {

return 'Invalid signed_payload.';

}

$redis = new Credis_Client('localhost');

$key = getUserKey($data['store_hash'], $data['user']['email']);

$user = json_decode($redis->get($key), true);

if (empty($user)) {

return 'Invalid user.';

}

return 'Welcome ' . json_encode($user);

});

$app->get('/auth/callback', function (Request $request) use ($app) {

$payload = array(

'client_id' => clientId(),

'client_secret' => clientSecret(),

'redirect_uri' => callbackUrl(),

'grant_type' => 'authorization_code',

'code' => $request->get('code'),

'scope' => $request->get('scope'),

'context' => $request->get('context'),

);

$client = new Client(bcAuthService());

$req = $client->post('/oauth2/token', array(), $payload, array(

'exceptions' => false,

));

$resp = $req->send();

if ($resp->getStatusCode() == 200) {

$data = $resp->json();

list($context, $storeHash) = explode('/', $data['context'], 2);

$key = getUserKey($storeHash, $data['user']['email']);

$redis = new Credis_Client('localhost');

$redis->set($key, json_encode($data['user'], true));

return 'Hello ' . json_encode($data);

} else {

return 'Something went wrong... [' . $resp->getStatusCode() . '] ' . $resp->getBody();

}

});

function verifySignedRequest($signedRequest)

}

function clientId()

}

function clientSecret()

}

function callbackUrl()

}

function bcAuthService()

}

function getUserKey($storeHash, $email)

{

return "kitty.php:$storeHash:$email";

}

$app->run();