Is it possible to publish to a pub sub topic from the Google Drive Files watch API ?

albuixech jérémy

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Jun 12, 2017, 4:58:08 PM6/12/17

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I'm doing some tests and when I set the web_hook address to https://pubsub.googleapis.com/v1/projects/[...] the API returns the following error: Unauthorized WebHook callback channel: https://pubsub.googleapis.com/v1/projects/[...].

The use case being to have the google drive push notifications for file change handled through the Pub/Sub message queue.

Jordan (Cloud Platform Support)

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Jun 13, 2017, 4:04:14 PM6/13/17

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The push notification sent by the Google Drive API would need to be compatible with that of a Google Cloud Pub/Sub message so that it can be published to a specific Topic. There are some posts on Stack Overflow that talk about this combination.

The alternative would be to create a Google Cloud Function that accepts messages from the Drive API, and sends the message to Pub/Sub. You would then set the URL of your Cloud Function as the Webhook in your Drive API code.

Kir Titievsky

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Jun 13, 2017, 5:10:58 PM6/13/17

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Jeremy,

As Jordan says, you need a proxy in the middle. Ultimately, you have to be able to prove ownership of the destination domain and you can't do that with Pub/Sub's even if the message format was complicated. The happy news is that the proxy would be super simple.

k

On Tue, Jun 13, 2017 at 4:04 PM, 'Jordan (Cloud Platform Support)' via Google Cloud Pub/Sub Discussions <cloud-pubs...@googlegroups.com> wrote:

The push notification sent by the Google Drive API would need to be compatible with that of a Google Cloud Pub/Sub message so that it can be published to a specific Topic. There are some posts on Stack Overflow that talk about this combination.

The alternative would be to create a Google Cloud Function that accepts messages from the Drive API, and sends the message to Pub/Sub. You would then set the URL of your Cloud Function as the Webhook in your Drive API code.

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