(Node.js) ETrade Renew Access Token

Renews an ETrade OAuth access token.

For more information, see https://apisb.etrade.com/docs/api/authorization/renew_access_token.html

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

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

    var http = new chilkat.Http();

    http.OAuth1 = true;
    http.OAuthVerifier = "";
    http.OAuthConsumerKey = "ETRADE_CONSUMER_KEY";
    http.OAuthConsumerSecret = "ETRADE_CONSUMER_SECRET";

    // Load the access token previously obtained via the OAuth1 Authorization
    var jsonToken = new chilkat.JsonObject();
    var success = jsonToken.LoadFile("qa_data/tokens/etrade.json");
    if (success !== true) {
        console.log("Failed to load OAuth1 token");
        return;
    }

    http.OAuthToken = jsonToken.StringOf("oauth_token");
    http.OAuthTokenSecret = jsonToken.StringOf("oauth_token_secret");

    // resp: HttpResponse
    var resp = http.QuickGetObj("https://api.etrade.com/oauth/renew_access_token");
    if (http.LastMethodSuccess !== true) {
        console.log(http.LastErrorText);
        return;
    }

    // Make sure a successful response was received.
    if (resp.StatusCode !== 200) {
        console.log(resp.StatusLine);
        console.log(resp.Header);
        console.log(resp.BodyStr);
        return;
    }

    // If successful, the resp.BodyStr contains something like this:
    // oauth_token=%3TiQRgQCRGPo7Xdk6G8QDSEzX0Jsy6sKNcULcDavAGgU%3D&oauth_token_secret=%7RrC9scEpzcwSEMy4vE7nodSzPLqfRINnTNY4voczyFM%3D
    console.log(resp.BodyStr);

    var sbRespBody = new chilkat.StringBuilder();
    resp.GetBodySb(sbRespBody);
    if (sbRespBody.ContentsEqual("Access Token has been renewed",false)) {
        // The documentation at https://apisb.etrade.com/docs/api/authorization/renew_access_token.html
        // indicates that the response should be as described above.  However, the response received when
        // trying to refresh a non-expired token was "Access Token has been renewed"
        console.log("Keeping the same access token, but it's renewed...");
        return;
    }

    var hashTab = new chilkat.Hashtable();
    hashTab.AddQueryParams(resp.BodyStr);

    var accessToken = hashTab.LookupStr("oauth_token");
    var accessTokenSecret = hashTab.LookupStr("oauth_token_secret");

    // The access token + secret is what should be saved and used for
    // subsequent REST API calls.
    console.log("Access Token = " + accessToken);
    console.log("Access Token Secret = " + accessTokenSecret);

    // Save this access token for future calls.
    // Just in case we need user_id and screen_name, save those also..
    var json = new chilkat.JsonObject();
    json.AppendString("oauth_token",accessToken);
    json.AppendString("oauth_token_secret",accessTokenSecret);

    var fac = new chilkat.FileAccess();
    fac.WriteEntireTextFile("qa_data/tokens/etrade.json",json.Emit(),"utf-8",false);

    console.log("Success.");

}

chilkatExample();