Files
AniKotoAPI/server.js
T
Sʜɪɴᴇɪ Nᴏᴜᴢᴇɴ e9b0fba22b feat: add health, stats, OpenAPI, security headers, tests
- /api/health — uptime, version, memory usage
- /api/stats — request count, error rate, cache info
- /api/openapi — OpenAPI 3.0.3 specification
- Security headers: X-Frame-Options, X-Content-Type-Options, X-XSS-Protection
- Request counter middleware
- CONTRIBUTING.md — contribution guidelines
- test.js — integration test suite (18 endpoints)
2026-06-08 22:08:38 +05:30

154 lines
7.1 KiB
JavaScript

/*
* ======= • ======= • ======= • ======= • =======• =======
* AniKotoAPI — server.js
* Repository: https://github.com/Shineii86/AniKotoAPI
*
* @description
* Main entry point for the AniKotoAPI Express server.
* Configures CORS, middleware, static files, API routes,
* and 404 handling. Starts the server on the configured port.
*
* @exports
* None (side-effect: starts Express server)
*
* @author Shinei Nouzen
* @license MIT
* ======= • ======= • ======= • ======= • =======• =======
*/
import dotenv from "dotenv";
import express from "express";
import cors from "cors";
import path from "path";
import fs from "fs";
import { fileURLToPath } from "url";
import { dirname } from "path";
import { createApiRoutes } from "./src/routes/apiRoutes.js";
dotenv.config();
// ══════════════════════════════════════════════════════════════
// SERVER CONFIGURATION
// ══════════════════════════════════════════════════════════════
const app = express();
const PORT = process.env.PORT || 4444;
const __filename = fileURLToPath(import.meta.url);
const publicDir = path.join(process.cwd(), "public");
const allowedOrigins = process.env.ALLOWED_ORIGINS?.split(",");
// ══════════════════════════════════════════════════════════════
// CORS MIDDLEWARE
// ══════════════════════════════════════════════════════════════
// NOTE: CORS is configured to only allow GET requests from specified origins
app.use(
cors({
origin: allowedOrigins?.includes("*") ? "*" : allowedOrigins || [],
methods: ["GET"],
})
);
// ---- FEATURE: Custom origin validation middleware ----
app.use((req, res, next) => {
const origin = req.headers.origin;
if (
!allowedOrigins ||
allowedOrigins.includes("*") ||
(origin && allowedOrigins.includes(origin))
) {
res.setHeader("Access-Control-Allow-Origin", origin || "*");
res.setHeader("Access-Control-Allow-Methods", "GET");
res.setHeader("Access-Control-Allow-Headers", "Content-Type");
return next();
}
res
.status(403)
.json({ success: false, message: "Forbidden: Origin not allowed" });
});
// ---- FEATURE: Security headers ----
app.use((req, res, next) => {
res.setHeader("X-Frame-Options", "DENY");
res.setHeader("X-Content-Type-Options", "nosniff");
res.setHeader("X-XSS-Protection", "1; mode=block");
res.setHeader("Referrer-Policy", "strict-origin-when-cross-origin");
res.setHeader("Permissions-Policy", "camera=(), microphone=(), geolocation=()");
next();
});
// ══════════════════════════════════════════════════════════════
// STATIC FILES
// ══════════════════════════════════════════════════════════════
// NOTE: redirect: false prevents automatic redirects to index.html
app.use(express.static(publicDir, { redirect: false }));
// ══════════════════════════════════════════════════════════════
// CLEAN URL ROUTES
// ══════════════════════════════════════════════════════════════
// Serve HTML files without .html extension
app.get("/tos", (req, res) => {
res.sendFile(path.join(publicDir, "tos.html"));
});
app.get("/privacy", (req, res) => {
res.sendFile(path.join(publicDir, "privacy.html"));
});
// ══════════════════════════════════════════════════════════════
// RESPONSE HELPERS
// ══════════════════════════════════════════════════════════════
// ---- FEATURE: Standardized JSON response wrapper ----
/**
* Wraps data in a standardized success JSON response.
*
* @param {object} res - Express response object
* @param {*} data - The data to return in the response
* @param {number} status - HTTP status code (default: 200)
*/
const jsonResponse = (res, data, status = 200) =>
res.status(status).json({ success: true, results: data });
// ---- FEATURE: Standardized error response wrapper ----
/**
* Returns a standardized error JSON response.
*
* @param {object} res - Express response object
* @param {string} message - Error message to return (default: "Internal server error")
* @param {number} status - HTTP status code (default: 500)
*/
const jsonError = (res, message = "Internal server error", status = 500) =>
res.status(status).json({ success: false, message });
// ══════════════════════════════════════════════════════════════
// API ROUTES
// ══════════════════════════════════════════════════════════════
createApiRoutes(app, jsonResponse, jsonError);
// ══════════════════════════════════════════════════════════════
// 404 HANDLER
// ══════════════════════════════════════════════════════════════
// ---- FEATURE: Catch-all 404 handler for undefined routes ----
app.use((req, res) => {
const filePath = path.join(publicDir, "404.html");
if (fs.existsSync(filePath)) {
res.status(404).sendFile(filePath);
} else {
res.status(404).json({ success: false, message: "Endpoint not found" });
}
});
// ══════════════════════════════════════════════════════════════
// SERVER START
// ══════════════════════════════════════════════════════════════
app.listen(PORT, () => {
console.info(`AniKotoAPI listening at ${PORT}`);
});
// ══════════════════════════════════════════════════════════════ END: server.js