(Node.js) Initiate Resumable Upload Session

See more Google Cloud Storage Examples

For more information, see https://cloud.google.com/storage/docs/performing-resumable-uploads

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

var os = require('os');
if (os.platform() == 'win32') {  
  var chilkat = require('@chilkat/ck-node23-win64'); 
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node23-linux-arm');
    } else if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node23-linux-arm64');
    } else {
        var chilkat = require('@chilkat/ck-node23-linux-x64');
    }
} else if (os.platform() == 'darwin') {
  var chilkat = require('@chilkat/ck-node23-mac-universal');
}

function chilkatExample() {

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

    var http = new chilkat.Http();

    var jsonToken = new chilkat.JsonObject();
    var success = jsonToken.LoadFile("qa_data/tokens/googleCloudStorage.json");
    if (success == false) {
        console.log(jsonToken.LastErrorText);
        return;
    }

    var jsonMetaData = new chilkat.JsonObject();
    jsonMetaData.UpdateString("contentType","image/jpeg");

    // Adds the "Authorization: Bearer <access_token>" header..
    http.AuthToken = jsonToken.StringOf("access_token");

    http.SetUrlVar("bucket_name","chilkat-bucket-b");
    http.SetUrlVar("object_name","penguins2.jpg");
    var url = "https://storage.googleapis.com/upload/storage/v1/b/{$bucket_name}/o?uploadType=resumable&name={$object_name}";
    // resp: HttpResponse
    var resp = http.PText("POST",url,jsonMetaData.Emit(),"utf-8","application/json",false,false);
    if (http.LastMethodSuccess == false) {
        console.log(http.LastErrorText);
        return;
    }

    var statusCode = resp.StatusCode;
    console.log("response status code = " + statusCode);

    var sessionUrl = "";

    if (statusCode !== 200) {
        console.log(resp.BodyStr);
    }
    else {
        // The session URL will be used to upload the file in chunks, in subsequent HTTP POSTs...
        sessionUrl = resp.GetHeaderField("Location");
        console.log("Session URL = " + sessionUrl);
    }


}

chilkatExample();