avantgardnerio commented on code in PR #269:
URL: https://github.com/apache/arrow-ballista/pull/269#discussion_r979036965
##########
ballista/rust/scheduler/src/flight_sql.rs:
##########
@@ -309,33 +362,140 @@ impl FlightSqlServiceImpl {
impl FlightSqlService for FlightSqlServiceImpl {
type FlightService = FlightSqlServiceImpl;
+ async fn do_handshake(
+ &self,
+ request: Request<Streaming<HandshakeRequest>>,
+ ) -> Result<
+ Response<Pin<Box<dyn Stream<Item = Result<HandshakeResponse, Status>>
+ Send>>>,
+ Status,
+ > {
+ debug!("do_handshake");
+ for md in request.metadata().iter() {
+ debug!("{:?}", md);
+ }
+
+ let basic = "Basic ";
+ let authorization = request
+ .metadata()
+ .get("authorization")
+ .ok_or(Status::invalid_argument("authorization field not
present"))?
+ .to_str()
+ .map_err(|_| Status::invalid_argument("authorization not
parsable"))?;
+ if !authorization.starts_with(basic) {
+ Err(Status::invalid_argument(format!(
+ "Auth type not implemented: {}",
+ authorization
+ )))?;
+ }
+ let base64 = &authorization[basic.len()..];
+ let bytes = base64::decode(base64)
+ .map_err(|_| Status::invalid_argument("authorization not
parsable"))?;
+ let str = String::from_utf8(bytes)
+ .map_err(|_| Status::invalid_argument("authorization not
parsable"))?;
+ let parts: Vec<_> = str.split(":").collect();
+ if parts.len() != 2 {
+ Err(Status::invalid_argument(format!(
+ "Invalid authorization header"
+ )))?;
+ }
+ let user = parts[0];
+ let pass = parts[1];
+ if user != "admin" || pass != "password" {
Review Comment:
TODO: authentication providers? (i.e. oauth, active directory, etc)
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