(Node.js) Google Drive Multipart Upload String

Demonstrates a file upload to Google Drive where the contents of the file are contained in a string variable.

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 example will upload a file to Google Drive.
    var success = true;

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

    var gAuth = new chilkat.AuthGoogle();
    gAuth.Scope = "https://www.googleapis.com/auth/drive";
    gAuth.SubEmailAddress = "some.user@example.com";
    gAuth.ExpireNumSeconds = 3600;

    // Obtain an access token as shown in one of the following examples:
    // See Get Access Token using a Service Account JSON Key
    // See Get Access Token using a P12 File

    var rest = new chilkat.Rest();

    // Connect using TLS.
    var bAutoReconnect = true;
    success = rest.Connect("www.googleapis.com",443,true,bAutoReconnect);

    // Provide the authentication credentials (i.e. the access key)
    success = rest.SetAuthGoogle(gAuth);

    // A multipart upload to Google Drive needs a multipart/related Content-Type
    success = rest.AddHeader("Content-Type","multipart/related");

    // Specify each part of the request.

    // The 1st part is JSON with information about the file.
    rest.PartSelector = "1";
    success = rest.AddHeader("Content-Type","application/json; charset=UTF-8");

    var json = new chilkat.JsonObject();
    success = json.AddStringAt(-1,"title","helloWorld.txt");
    success = json.AddStringAt(-1,"description","A simple text file that says Hello World.");
    success = json.AddStringAt(-1,"mimeType","text/plain");
    success = rest.SetMultipartBodyString(json.Emit());

    // The 2nd part is the file content.
    // In this case, we'll upload a simple text file containing "Hello World!"
    rest.PartSelector = "2";
    success = rest.AddHeader("Content-Type","text/plain");
    success = rest.SetMultipartBodyString("Hello World!");

    // POST https://www.googleapis.com/upload/drive/v2/files
    var jsonResponse = rest.FullRequestMultipart("POST","/upload/drive/v2/files?uploadType=multipart");
    if (rest.LastMethodSuccess !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    // Show the JSON response.
    console.log("Response Status Code: " + rest.ResponseStatusCode);
    console.log("Json Response: " + jsonResponse);

}

chilkatExample();