var host = process.env.HOST || "0.0.0.0";
var port = process.env.PORT || 8080;

var originBlacklist = parseEnvList(process.env.CORSANYWHERE_BLACKLIST);
var originWhitelist = parseEnvList(process.env.CORSANYWHERE_WHITELIST);
function parseEnvList(env) {
  if (!env) {
    return [];
  }
  return env.split(",");
}

var checkRateLimit = require("./lib/rate-limit")(
  process.env.CORSANYWHERE_RATELIMIT
);

var cors_proxy = require("./lib/cors-anywhere");
cors_proxy
  .createServer({
    originBlacklist: originBlacklist,
    originWhitelist: originWhitelist,
    requireHeader: ["origin", "x-requested-with"],
    checkRateLimit: checkRateLimit,
    removeHeaders: ["cookie", "cookie2"],
    redirectSameOrigin: true,
    httpProxyOptions: {
      xfwd: false,
    },
  })
  .listen(port, host, function () {
    console.log("Running CORS Anywhere on " + host + ":" + port);
  });