Script for use as sshd authorized_keys command on DigitalOcean droplets. It pulls the list of public ssh keys from your account profile using DigitalOcean's API, so that you can manage your authorized_keys in one convenient place.

authorized_keys_cmd.py

#!/usr/bin/python3

import requests
import json
import os

def get(path):
	url = "https://api.digitalocean.com/v2/{}".format(path)
	apikey = os.environ['DIGITALOCEAN_API_KEY']
	headers = {
		"Authorization": "Bearer {}".format(apikey), 
		"Content-Type": "application/json"
	}
	r = requests.get(url, headers=headers)
	return json.loads(r.content)

def accountkeys():
	return get("account/keys")

if __name__ == "__main__":
	import os
	try:
		assert "DIGITALOCEAN_API_KEY" in os.environ.keys()
	except:
		raise RuntimeError("Please ensure that the DIGITALOCEAN_API_KEY environment variable is set to you API secret token")
	keys = accountkeys()
	print("\n".join([v['public_key'] for v in keys['ssh_keys']]))