getIpInfo function gets ip geoinfo

index.ts

@@ -1,5 +1,10 @@
 import express = require('express');
 import expresshb = require('express-handlebars');
+import http = require('http');
+import https = require('https');
+import promise = require('promise');
+
+import { IPGeoJson } from './ip_geo';
 
 var app = express();
 
@@ -8,6 +13,47 @@ app.set('view engine', 'handlebars');
 
 app.get('/', function (req, res) {
 	res.render('home');
+	getIpInfo("::ffff:" + "119.17.156.106").country; //replace with req.ip
 });
 
 app.listen(3000);
+
+function getIpInfo(ip: String): IPGeoJson {
+	var ipinfo: IPGeoJson = {
+		ip: "",
+		city: "",
+		region: "",
+		country: "",
+		loc: "",
+		postal: ""
+	};
+
+	var options = {
+		host: 'ipinfo.io',
+		port: 443,
+		path: '/' + ip + '/geo',
+		method: 'GET',
+		headers: {
+			'Content-Type': 'application/json'
+		}
+	}
+	console.log(options.path);
+
+	var callback = function (response: http.IncomingMessage) {
+		var str: string;
+
+		response.on('data', function (chunk) {
+			str += chunk;
+		});
+
+		response.on('end', function () {
+			console.log(str);
+			ipinfo = <IPGeoJson>JSON.parse(str.slice(9));
+			console.log(ipinfo.city);
+		});
+	}
+
+	https.get(options, callback);
+
+	return ipinfo;
+}