SOS

Shane O'Sullivan's technical blog… really ties the room together

Lightweight authentication and upload to Google Cloud

Posted by Shane O'Sullivan on August 25, 2018

Authentication to the Google Cloud, as well as uploading to it, is quite simple when using Google’s Cloud services SDK.  A big downside of using these with NodeJS is that they bring 80MB of dependencies, which if you are packaging your application for distribution is a little bit crazy.

Authentication to Google Cloud’s HTTP JSON API (link) can be a bit tricky in Node, as you need to construct your own authentication token, cryptographically sign it, and make sure you’re using all the right data, serialized just so.  I’ve written a small tool, linked above, to do this authentication for you.

Uploading to Google Cloud’s Storage uses the authentication token, and takes a few other parameters that are easy to get wrong.  The tool also does the upload of a simple file to a Cloud Storage bucket that you have the private key for a service account.

Using the code is simple (see the README)

Screen Shot 2018-08-25 at 8.19.40 AM

Please let me know if you’d like any additions or find bugs in the issues tracker.

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