How to upload an image to Google Cloud Storage from an image url in Node?

Question

Given an image url, how can I upload that image to Google Cloud Storage for image processing using Node.js?

Answer 1

Incase of handling image uploads from a remote url. In reference to the latest library provided by Google docs. Instead of storing the buffer of image. We can directly send it to storage.

function sendUploadUrlToGCS(req, res, next) {
  if (!req.body.url) {
    return next();
  }

  var gcsname = Date.now() + '_name.jpg';
  var file = bucket.file(gcsname);

  return request({url: , encoding: null}, function(err, response, buffer) {
    req.file = {};
    var stream = file.createWriteStream({
      metadata: {
        contentType: response.headers['content-type']
      }
    });

    stream.on('error', function(err) {
       req.file.cloudStorageError = err;
       console.log(err);
       next(err);
    });

    stream.on('finish', function() {
      req.file.cloudStorageObject = gcsname;
      req.file.cloudStoragePublicUrl = getPublicUrl(gcsname);
      next();
    });

    stream.end(buffer);
  });
}