React Native

Initiate Resumable Upload Session

See more Google Cloud Storage Examples

Initiate a Google Cloud Storage resumable upload session.. React Native

import { Http, HttpResponse, JsonObject } from '@chilkat/react-native'

async function chilkatExample() {
  // This example assumes the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  const http = new Http();

  const jsonToken = new JsonObject();
  try {
    jsonToken.loadFile('qa_data/tokens/googleCloudStorage.json');
  } catch {
    console.log(jsonToken.lastErrorText);
    return;
  }

  const jsonMetaData = new 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');
  const url = 'https://storage.googleapis.com/upload/storage/v1/b/{$bucket_name}/o?uploadType=resumable&name={$object_name}';
  const resp = new HttpResponse();
  try {
    await http.httpJsonAsync('POST', url, jsonMetaData, 'application/json', resp);
  } catch {
    console.log(http.lastErrorText);
    return;
  }

  const statusCode = resp.statusCode;
  console.log(`response status code = ${statusCode}`);

  let 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}`);
  }
}