viirya commented on code in PR #2211:
URL: https://github.com/apache/arrow-rs/pull/2211#discussion_r932758912


##########
arrow-flight/examples/flight_sql_server.rs:
##########
@@ -41,6 +43,52 @@ pub struct FlightSqlServiceImpl {}
 #[tonic::async_trait]
 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,
+    > {
+        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" {
+            Err(Status::unauthenticated("Invalid credentials!"))?
+        }
+        let result = HandshakeResponse {
+            protocol_version: 0,
+            payload: "random_uuid_token".as_bytes().to_vec(),
+        };
+        let result = Ok(result);
+        let output = futures::stream::iter(vec![result]);
+        return Ok(Response::new(Box::pin(output)));
+    }
+

Review Comment:
   Agreed that we eventually should add some test coverage for flight sql 
server. Currently we don't have any test coverage for it, not just this PR.



-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: [email protected]

For queries about this service, please contact Infrastructure at:
[email protected]

Reply via email to