Exploring Cloud Functions and Google APIs

In this example, we will build an application that will use Cloud Pub/Sub to provide resilient access to a document. Earlier, we introduced our new friend, Google Cloud Pub. Now we will get to see how we can utilize this feature as part of a simple solution.

Our application will create a time-constrained link to a text file, which can only be accessed by an authenticated source. This type of functionality is actually an everyday use case for transferring data securely across the internet.

General architecture

To create a signed URL, we will need an existing file that has been uploaded to a storage bucket. For the sake of this example, we will take the following approach in terms of...