(Node.js) Upload Application Specific Data

Uploads a text file (application specific data) 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() {

    var success = true;

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

    // This example uses a previously obtained access token having permission for the 
    // Google Drive application specific data scope.
    var jsonToken = new chilkat.JsonObject();
    success = jsonToken.LoadFile("qa_data/tokens/googleDriveAppData.json");

    var gAuth = new chilkat.AuthGoogle();
    gAuth.AccessToken = jsonToken.StringOf("access_token");

    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 token)
    rest.SetAuthGoogle(gAuth);

    // A multipart upload to Google Drive needs a multipart/related Content-Type
    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";
    rest.AddHeader("Content-Type","application/json; charset=UTF-8");

    var json = new chilkat.JsonObject();
    json.EmitCompact = false;

    json.UpdateString("name","helloWorld.txt");
    json.UpdateString("description","A simple text file that says Hello World.");
    json.UpdateString("mimeType","text/plain");
    // Specifiy the application-specific data folder.
    json.UpdateString("parents[0]","appDataFolder");
    rest.SetMultipartBodyString(json.Emit());

    console.log(json.Emit());

    // The JSON looks like this:
    // {
    //   "name": "helloWorld.txt",
    //   "description": "A simple text file that says Hello World.",
    //   "mimeType": "text/plain",
    //   "parents": [
    //     "appDataFolder"
    //   ]
    // }

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

    var fileContents = "Hello World!";
    rest.SetMultipartBodyString(fileContents);

    var jsonResponse = rest.FullRequestMultipart("POST","/upload/drive/v3/files?uploadType=multipart");
    if (rest.LastMethodSuccess !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    // A successful response will have a status code equal to 200.
    if (rest.ResponseStatusCode !== 200) {
        console.log("response status code = " + rest.ResponseStatusCode);
        console.log("response status text = " + rest.ResponseStatusText);
        console.log("response header: " + rest.ResponseHeader);
        console.log("response JSON: " + jsonResponse);
        return;
    }

    // Show the JSON response.
    json.Load(jsonResponse);

    // Show the full JSON response.
    json.EmitCompact = false;
    console.log(json.Emit());

    // A successful response looks like this:
    // {
    //   "kind": "drive#file",
    //   "id": "0B53Q6OSTWYoldmJ0Z3ZqT2x5MFk",
    //   "name": "Untitled",
    //   "mimeType": "text/plain"
    // }

    // Get the fileId:
    console.log("fileId: " + json.StringOf("id"));

}

chilkatExample();