Node.js

Twitter - Application Only Authentication

Demonstrates how to get a Twitter OAuth2 token for application-only authentication.

This example is deprecated and no longer valid.

Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    //  It requires the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    //  Note: Define your Twitter apps at https://apps.twitter.com/

    //  We're going to send an HTTPS POST that looks like this:

    //  POST /oauth2/token HTTP/1.1
    //  Host: api.twitter.com
    //  User-Agent: My Twitter App v1.0.23
    //  Authorization: Basic eHZ6MWV2RlM0d0VFUFRHRUZQSEJvZzpMOHFxOVBaeVJn
    //                       NmllS0dFS2hab2xHQzB2SldMdzhpRUo4OERSZHlPZw==
    //  Content-Type: application/x-www-form-urlencoded;charset=UTF-8
    //  Content-Length: 29
    //  Accept-Encoding: gzip
    //  
    //  grant_type=client_credentials

    //  Update these values with your consumer key and secret (also known as API key and API secret).
    var consumerKey = "TWITTER_CONSUMER_KEY";
    var consumerSecret = "TWITTER_CONSUMER_SECRET";

    var http = new chilkat.Http();

    http.BasicAuth = true;
    http.Login = consumerKey;
    http.Password = consumerSecret;

    var req = new chilkat.HttpRequest();
    req.AddParam("grant_type","client_credentials");

    req.HttpVerb = "POST";
    req.ContentType = "application/x-www-form-urlencoded";

    var resp = new chilkat.HttpResponse();
    success = http.HttpReq("https://api.twitter.com/oauth2/token",req,resp);
    if (success == false) {
        console.log(http.LastErrorText);
        return;
    }

    console.log("Response Status Code: " + resp.StatusCode);

    if (resp.StatusCode !== 200) {
        console.log("Expected a 200 response status code for success.");
        console.log(resp.BodyStr);
        return;
    }

    //  We should get a JSON response like this:

    //  {
    //      "token_type":"bearer",
    //      "access_token":"..."
    //  }

    var json = new chilkat.JsonObject();
    json.Load(resp.BodyStr);

    console.log("Access token = " + json.StringOf("access_token"));

}

chilkatExample();