Source code for gnome.app

"""
Flask API that processes callback messages
from GitHub (or localhost).
Messages are validated,
then dispatched to all configured policies.
"""
from flask import Flask, request, abort
import json
import sys
from config import settings
from gnome.util import (Config, CallbackEvent)
from gnome.gh import EventSourceValidator

# verbose logging
DEBUG = settings.DEBUG

app = Flask(__name__)


@app.route('/', methods=['GET', 'POST'])
def index():
    if request.method == 'GET':
        # maybe this should tell us something useful
        # like "bugflow is great, see the web site"
        return "OK", 200

    elif request.method == 'POST':
        # We only accept callbacks from GitHub or localhost
        validator = EventSourceValidator()
        if not validator.ip_str_is_valid(request.remote_addr):
            abort(403)

        cbe = CallbackEvent(request)
        if not cbe.is_valid():
            msg = "callback payload does not appear valid"
            print (msg, file=sys.stdout)
            return msg, 400

        config = Config(cbe)
        # TODO: maybe these should be asynchronous
        # maybe even SNS etc...
        for activity in config.get_activities():
            activity.dispatch_gnome()

        # FIXME: maybe refactor everything to use PubSubHubHub?
        # TODO: figure out what kind of response is appropriate
        return json.dumps({'msg': 'thanks for that'}), 200
    else:
        return "not a supported method", 400


if __name__ == '__main__':
    app.run()