Refactoring and cleanup

cista/server80.py

@@ -0,0 +1,21 @@
+from sanic import Sanic, exceptions, response
+
+app = Sanic("server80")
+
+# Send all HTTP users to HTTPS
+@app.exception(exceptions.NotFound, exceptions.MethodNotSupported)
+def redirect_everything_else(request, exception):
+    server, path = request.server_name, request.path
+    if server and path.startswith("/"):
+        return response.redirect(f"https://{server}{path}", status=308)
+    return response.text("Bad Request. Please use HTTPS!", status=400)
+
+# ACME challenge for LetsEncrypt
+@app.get("/.well-known/acme-challenge/<challenge>")
+async def letsencrypt(request, challenge):
+    try:
+        return response.text(acme_challenges[challenge])
+    except KeyError:
+        return response.text(f"ACME challenge not found: {challenge}", status=404)
+
+acme_challenges = {}