index.js

const express = require("express");
const rateLimit = require("express-rate-limit");
const cors = require("cors");

const mainRoute = require("./routes/main");
const scheduleRoute = require("./routes/schedule");
const episodeRoute = require("./routes/anify/episodes");
const sourceRoute = require("./routes/anify/sources");

const consumetEpisodeRoute = require("./routes/consumet/episode");
const consumetSourceRoute = require("./routes/consumet/source");

const PORT = process.env.PORT || 5000;
const whitelist = process.env.WHITELISTED_URL.includes("example")
  ? undefined
  : process.env.WHITELISTED_URL;

const app = express();

app.use(express.json());
app.use(express.urlencoded({ extended: true }));

const limiter = rateLimit({
  windowMs: 2 * 60 * 1000, // 2 minutes
  max: 50, // limit each IP to 50 requests per windowMs
});

app.use(limiter);
app.set("trust proxy", 1);

const corsOptions = {
  origin: function (origin, callback) {
    if (whitelist.indexOf(origin) !== -1) {
      callback(null, true);
    } else {
      callback(new Error("Not allowed by CORS"));
    }
  },
};

app.use(cors());

app.use("/", mainRoute);
app.use("/api/schedules", scheduleRoute);
app.use("/anify/episode", cors(whitelist && corsOptions), episodeRoute);
app.use("/anify/source", cors(whitelist && corsOptions), sourceRoute);

app.use(
  "/consumet/episode",
  cors(whitelist && corsOptions),
  consumetEpisodeRoute
);
app.use(
  "/consumet/source",
  cors(whitelist && corsOptions),
  consumetSourceRoute
);

app.listen(PORT, () => {
  console.log(`Server is running on port ${PORT}.`);
});