IP-Address-Query/app.js

const express = require('express');
const { UnsupportedMediaType } = require('http-errors');
const app = express();
const port = 1234;
console.log("[Log] Server Starting up...");
app.use(express.json());

app.get("/api/IP", (req, res) => {
    UserConnection = req.connection.remoteAddress
    userIP = UserConnection.replace("::ffff:","");
    Uport = req.connection.remotePort;
    console.log(userIP)
    if(req.query.type == 'json'){
        if(req.query.port == 1){
            var str = {"IP":userIP, "port":Uport, "Status":"OK"};
            str_json = JSON.stringify(str);
            res.send(str_json);
        }else{
            var str = {"IP":userIP, "Status":"OK"};
            str_json = JSON.stringify(str);
            res.send(str_json);
        }
    }else{
        if(req.query.port == 1){
            res.send(userIP + ":" + Uport);
        }else{
            res.send(userIP);
        }
    }
    console.log("[Log]" + userIP + ":" + Uport + " Connecting to This Server.");
    //pds
    if(req.query.type == 'json'){
        if(req.query.port == 1){
            console.log("json: Y, Port: Y");
        }else{
            console.log("json: Y, Port: N");
        }
    }else{
        if(req.query.port == 1){
            console.log("json: N, Port: Y");
        }else{
            console.log("json: N, Port: N");
        }
    }
    //res.send("Hello World");
    res.end();
})

app.listen(port,() => {
    console.log('[Log]Express server listening at http://localhost:' + port);
})