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index.js
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index.js
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if (process.env.NODE_ENV !== "production") {
require("dotenv").config();
}
const express = require("express");
const rateLimit = require("express-rate-limit");
const app = express();
// Disable X-Powered-By header for your Express app (Snyk)
app.disable('x-powered-by');
const path = require("path");
const ejsMate = require("ejs-mate");
// Built-in module to access and interact with file system
const fs = require("fs");
// Parse front matter from Markdown files
const { marked } = require("marked");
app.engine("ejs", ejsMate);
app.set("view engine", "ejs");
// Configure path to "views" directory
app.set("views", path.join(__dirname, "views"));
// Configure path to "public" directory
app.use(express.static(path.join(__dirname, "public")));
// Apply rate limiting to all requests
const limiter = rateLimit({
windowMs: 15 * 60 * 1000, // 15 minutes
max: 100, // Limit each IP to 100 requests per `window` (here, per 15 minutes)
standardHeaders: true, // Return rate limit info in the `RateLimit-*` headers
legacyHeaders: false, // Disable the `X-RateLimit-*` headers
});
app.use(limiter);
// Main index page
app.get("/", (req, res) => {
// sameSite: "lax" improves navigation performance by permitting back/forward cache restoration
res.cookie("cookieName", "cookieValue", { sameSite: "lax", secure: true, httpOnly: true });
res.render("index");
});
// Main section routes
app.get("/ink", (req, res) => {
res.render("ink/ink");
});
app.get("/voice", (req, res) => {
res.render("voice/voice");
});
app.get("/sources", (req, res) => {
res.render("sources/sources");
});
app.get("/about", (req, res) => {
res.render("about/about");
});
// Markdown to HTML rendering for entire pages
app.get("/:filename", (req, res) => {
const filename = req.params.filename;
const markdownPath = path.join(__dirname, "views", "misc", "pages", `${filename}.md`);
fs.readFile(markdownPath, "utf8", (err, data) => {
if (err) {
res.status(404);
res.render("utils/pagenotfound");
} else {
const htmlContent = marked(data);
res.render("misc/misc", { content: htmlContent });
}
});
});
// Routes to article stubs
app.get("/ink/moreink", (req, res) => {
const subroute = req.params.subroute;
const stub = req.params.stub;
res.render("ink/pages/moreink");
});
app.get("/sources/print", (req, res) => {
const subroute = req.params.subroute;
const stub = req.params.stub;
res.render("sources/pages/print");
});
// 404 error page route
app.use((req, res, next) => {
res.status(404);
res.render("utils/pagenotfound");
});
// Localhost server
app.listen(3000, () => {
console.log("Serving on port 3000");
});
module.exports = app;