Application Security – Use NPM Request Package for APIs Access

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This blog represents code sample and related details that can be used to hack into the system through unprotected APIs. The security vulnerability such as following can be exploited using the code sample given later in this article. Note that the security vulnerabilities mentioned below forms part of OWASP 2017 Top 10 security vulnerabilities.

The code below has made use of NPM request package to send the request to the API hosted ast Paytm Catalog Site. The API below displays electronics items listed on PayTMMall.com.

var request = require('request');

var url = "https://catalog.paytm.com/v2/h/electronics?channel=web&child_site_id=6&site_id=2&version=2&platform_version=S2(New)";
var method = "POST";
var headers = {
"content-type": "application/json",
"accept": "*/*"
};

var data = {"tracking":{"current_page":"https://paytmmall.com/shop/h/electronics","prev_page":""},"context":{"device":{"os":"Linux x86_64","device_type":"PC","browser_uuid":"GA1.2.35123967.1498556341","ua":"Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:55.0) Gecko/20100101 Firefox/55.0","connection_type":"Unknown"},"channel":"WEB","user":{"ga_id":"GA1.2.35123967.1498556341","user_id":null}}}
var isJSON = true;

request({
url: url,
method: method,
body: data,
json: isJSON,
headers: headers,
},
function (error, response, body) {
if (!error && response.statusCode == 200) {
console.log(body);
}
console.log("Response: " + JSON.stringify(response));
console.log("Error: " + error);
});

Put the code shown above in a file, say, test.js and execute the file using command such as node test.js. The output would display data retrieved from the website.

Ajitesh Kumar
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