<?php
require_once '../../src/gadgets/oauth/OAuth.php';

$data = json_decode(stripslashes(stripslashes($_POST['data'])));

switch ($data->type) {
  case 'activity':
    $consumer = new OAuthConsumer($data->key, $data->secret);
    $signature_method = new OAuthSignatureMethod_HMAC_SHA1();
    $params = array();
    $params['oauth_consumer_key'] = $data->key;
    $params['startIndex'] = $data->first;
    $params['count'] = $data->max;
    $http_query = http_build_query($params);
    $oauth_request = OAuthRequest::from_consumer_and_token($consumer, null, 'GET', $data->url, $params);
    $oauth_request->sign_request($signature_method, $consumer, null);

    $result = $oauth_request->to_url();
    header('ContentType: application/json');
    echo '{"url" : "' . $result . '"}';
  break;
  case 'invalidation':
    $consumer = new OAuthConsumer($data->key, $data->secret);
    $signature_method = new OAuthSignatureMethod_HMAC_SHA1();
    $params = array();
    $params['oauth_body_hash'] = base64_encode(sha1(stripslashes($data->postdata), true));
    $params['oauth_consumer_key'] = $data->key;
    $oauth_request = OAuthRequest::from_consumer_and_token($consumer, null, 'POST', $data->url, $params);
    $oauth_request->sign_request($signature_method, $consumer, null);

    $result = $oauth_request->to_url();
    header('ContentType: application/json');
    echo '{"url" : "' . $result . '"}';
  break;
}