Make Vona a Python module

vona/policy/__init__.py

@@ -0,0 +1,28 @@
+from flask import jsonify, Blueprint, request
+
+policy = Blueprint("policy", __name__)
+
+matrix_org = [
+	"dendrite.matrix.org",
+	"beta.matrix.org",
+	"matrix.org",
+	"element.io",
+	"t2bot.io",
+	"t2l.io"
+]
+
+
+@policy.route("/_matrix/policy/unstable/org.matrix.msc4284/event/<eventId>/check", methods=["POST"])
+@policy.route("/_matrix/policy/v1/event/<eventId>/check", methods=["POST"])
+async def check_event(eventId):
+	if request.get_json()["origin"] in matrix_org:
+		return jsonify({"recommendation": "spam"})
+
+	return jsonify({"recommendation": "ok"})
+
+
+@policy.route("/_matrix/policy/unstable/org.matrix.msc4284/sign", methods=["POST"])
+@policy.route("/_matrix/policy/v1/sign", methods=["POST"])
+async def sign_event():
+	# NOTE: trolled
+	return jsonify({})