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Steve Kemp 7637f9b0c2 Initial import 6 gadi atpakaļ
webhook 7637f9b0c2 Initial import 6 gadi atpakaļ
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README.md 7637f9b0c2 Initial import 6 gadi atpakaļ
rss2hook.go 7637f9b0c2 Initial import 6 gadi atpakaļ
sample.cfg 7637f9b0c2 Initial import 6 gadi atpakaļ

README.md

RSS2Hook

This project is a self-hosted utility which will make HTTP POST requests to remote web-hooks when new items appear in an RSS feed.

Rational

I have a couple of webhooks in-place already which will take incoming HTTP requests and "do stuff" with them, for example:

  • Posting to my alerting system.
    • Which is called purppura and is pretty neat.
  • Posting to IRC.
    • IRC was mattermost before slack before born.

I also have a bunch of RSS feeds that I follow, typically these include github releases of projects. For example my git-host is gitbucket so I subscribe to the release feed via:

Deployment

If you have a working golang setup you should be able to install this application via:

go get -u  github.com/skx/rss2hook
go install github.com/skx/rss2hook

Setup

There are two parts to the setup:

  • Configure the list of feeds and the corresponding hooks to post to.
  • Ensure the program is running.

For the first create a configuration-file like so:

http://example.com/feed.rss = https://webhook.example.com/notify/me

...

For the second you can use your favourite supervision took, but in short you'll want to run something like this:

 $ rss2hook -config ./sample.cfg

Sample Webhook

There is a simple webhook example beneath webhook/ which will listen upon localhost:8080, and dump any POST submission to the console.

You can launch it like so:

 cd webhook/
 go run webhook.go

Testing it via curl would look like this:

  $ curl --header "Content-Type: application/json"  \
  --request POST \
  --data '{"username":"xyz","password":"xyz"}' \
  http://localhost:8080/

Finally you'd use the sample.cfg file to POST to this server by launching the application:

$ rss2hook --config=sample.cfg

Feedback?

Turning this into a SaaS project would be interesting. A simple setup would be very straight-forward to implement, however at a larger scale it would get more interesting:

  • Assume two people have subscribed to the same feed.
    • But they did so a few days apart.
  • That means what is "new" to each of them differs.
    • So you need to keep track of "seen" vs. "new" on a per-user and per-feed basis.

Anyway it would be fun to implement, but I'm not sure there is a decent revenue model out there for it. Especially when you can wire up IFTTT or similar system to do the same thing.

Steve