Internet_Security/app.js

let express = require("express");
let app = express();
let server = require("http").Server(app);
let morgan = require("morgan");
let io = require("socket.io")(server);
let https = require("https");
let fs = require("fs");

server.listen(process.env.PORT || 8080);

let indexRoute = require("./routes/index");
let notFoundRoute = require("./routes/notFound");
let errorRoute = require("./routes/error");


app.use(morgan("dev"))
    .use(express.static("public"))
    .set("view engine", "pug")
    .use("/", indexRoute)
    .use(notFoundRoute)
    .use(errorRoute);

io.on("connection", (socket) => {
    socket.emit("connected");
    console.log("New connection !");
    socket.on("checkMail", (data) => {
        let key = fs.readFileSync("key", "utf-8");
        let request = https.request({
            hostname: "haveibeenpwned.com",
            port: 443,
            path: "/api/v3/breachedaccount/" + data.email,
            method: "GET",
            headers: {
                Accept: 'application/json',
                "user-agent": "InternetSecurity",
                "hibp-api-key": key
            }
        }, res => {
            let sendData = false;
            res.setEncoding("utf-8");
            res.on("data", d => {
                socket.emit("resultMail", d);
                sendData = true;
            });
            res.on("close", () => {
                if (!sendData)
                    socket.emit("resultMail", []);
            });
        });
        request.on("error", err => {
            console.error(err);
            socket.emit("resultMail", null);
        });
        request.end();
    })
});