Node.js

Get a Google Drive Access Token using a JSON Private Key

See more Google Drive Examples

Demonstrates how to get a Google Drive API access token using a JSON service account private key. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

    // First load the JSON key into a string.
    var fac = new chilkat.FileAccess();
    var jsonKey = fac.ReadEntireTextFile("qa_data/googleApi/chilkatcloud-b8826e030499.json","utf-8");
    if (fac.LastMethodSuccess !== true) {
        console.log(fac.LastErrorText);
        return;
    }

    var gAuth = new chilkat.AuthGoogle();
    gAuth.JsonKey = jsonKey;

    // Choose a scope.
    gAuth.Scope = "https://www.googleapis.com/auth/drive";

    // Request an access token that is valid for this many seconds.
    gAuth.ExpireNumSeconds = 3600;

    // If the application is requesting delegated access:
    // The email address of the user for which the application is requesting delegated access,
    // then set the email address here. (Otherwise leave it empty.)
    gAuth.SubEmailAddress = "";

    // Connect to www.googleapis.com using TLS (TLS 1.2 is the default.)
    // The Chilkat socket object is used so that the connection can be established
    // through proxies or an SSH tunnel if desired.
    var tlsSock = new chilkat.Socket();
    success = tlsSock.Connect("www.googleapis.com",443,true,5000);
    if (success !== true) {
        console.log(tlsSock.LastErrorText);
        return;
    }

    // Send the request to obtain the access token.
    success = gAuth.ObtainAccessToken(tlsSock);
    if (success !== true) {
        console.log(gAuth.LastErrorText);
        return;
    }

    // Examine the access token:
    console.log("Access Token: " + gAuth.AccessToken);

}

chilkatExample();