<?php
require_once "utils.php";
require_once "status.php";
require_once "user.php";
require_once "sql.php";

function check_api_key_()
{
  $headers = apache_request_headers();
  if (!isset($headers["Api-Key"]))
    return false;
  return database_exec("SELECT id FROM api_keys WHERE `key` = :key",
                       array(":key" => $headers["Api-Key"]))-> fetch()
                       !== false;
}

function check_api_key()
{
  if (!check_api_key_())
    error(401, "Bad API key");
}

function main()
{
  $m_get = ($_SERVER['REQUEST_METHOD'] == "GET");
  $m_post = ($_SERVER['REQUEST_METHOD'] == "POST");
  $matches = array();

  $path = rtrim($_GET['_url'], "/");
  if ($path === "")
    $path = "/";

  if (preg_match($path, "^/status/([0-9]+)/confirm$", $matches) && $m_post)
    status_confirm($matches[1]);
  else if ($path === "/status" && $m_post)
    status_create();
  else if ($path === "/status/feed" && $m_get)
    status_feed();
  else if ($path === "/user" && $m_post)
    user_create();
  else if ($path === "/user/login" && $m_post)
    user_login();
  else
    error(501, "Not implemented");
}

check_api_key();
main();
?>