prosody-modules
2bb29ece216b
mod_rest/example/app.py

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mod_rest/example/app.py @ 5193:2bb29ece216b

mod_http_oauth2: Implement stateless dynamic client registration Replaces previous explicit registration that required either the additional module mod_adhoc_oauth2_client or manually editing the database. That method was enough to have something to test with, but would not probably not scale easily. Dynamic client registration allows creating clients on the fly, which may be even easier in theory. In order to not allow basically unauthenticated writes to the database, we implement a stateless model here. per_host_key := HMAC(config -> oauth2_registration_key, hostname) client_id := JWT { client metadata } signed with per_host_key client_secret := HMAC(per_host_key, client_id) This should ensure everything we need to know is part of the client_id, allowing redirects etc to be validated, and the client_secret can be validated with only the client_id and the per_host_key. A nonce injected into the client_id JWT should ensure nobody can submit the same client metadata and retrieve the same client_secret
author Kim Alvefur <zash@zash.se>
date Fri, 03 Mar 2023 21:14:19 +0100
parent 4248:f3fbfde9683d
line wrap: on
line source

from flask import Flask, Response, request, jsonify

app = Flask("echobot")


@app.route("/api", methods=["OPTIONS"])
def options():
    """
    Startup check. Return an appropriate Accept header to confirm the
    data type to use.
    """

    return Response(status=200, headers={"accept": "application/json"})


@app.route("/api", methods=["POST"])
def hello():
    """
    Example RESTful JSON format stanza handler.
    """

    print(request.data)
    if request.is_json:
        data = request.get_json()

        if "kind" not in data:
            return Response(status=400)

        if data["kind"] == "message" and "body" in data:
            # Reply to a message
            return jsonify({"body": "Yes this is flask app"})

        elif data["kind"] == "iq" and data["type"] == "get":
            if "disco" in data:
                # Return supported features
                return jsonify(
                    {
                        "disco": {
                            "identities": [
                                {
                                    "category": "component",
                                    "type": "generic",
                                    "name": "Flask app",
                                }
                            ],
                            "features": [
                                "http://jabber.org/protocol/disco#info",
                                "http://jabber.org/protocol/disco#items",
                                "jabber:iq:version",
                                "urn:xmpp:ping",
                            ],
                        }
                    }
                )

            elif "items" in data:
                # Disco items
                return jsonify(
                    {"items": [{"jid": "example.org", "name": "Example Dot Org"}]}
                )

            elif "version" in data:
                # Version info
                return jsonify({"version": {"name": "app.py", "version": "0"}})

            elif "ping" in data:
                # Respond to ping
                return Response(status=204)

    return Response(status=501)


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