fix Async SSL file uploads not properly closing (#78)

* fix Async SSL file uploads not properly closing

* properly map the error instead of using unwrap

* cargo fmt

* fix clippy error

---------

Co-authored-by: Maurits van Riezen <mvriezen@vcn.nl>

suppaftp/Cargo.toml

@@ -39,6 +39,7 @@ pin-project = { version = "^1", optional = true }
 # secure
 native-tls-crate = { package = "native-tls", version = "^0.2", optional = true }
 rustls-crate = { package = "rustls", version = "^0.21", optional = true }
+futures-lite = "2.0.0"
 
 [dev-dependencies]
 async-attributes = "1.1.2"

suppaftp/src/async_ftp/mod.rs

@@ -12,9 +12,10 @@ use std::string::String;
 use std::time::Duration;
 
 use async_std::io::prelude::BufReadExt;
-use async_std::io::{copy, BufReader, Read, Write, WriteExt};
+use async_std::io::{copy, BufReader, Read, Write};
 use async_std::net::{TcpListener, TcpStream, ToSocketAddrs};
 use chrono::{NaiveDate, NaiveDateTime, NaiveTime};
+use futures_lite::AsyncWriteExt;
 // export
 pub use data_stream::DataStream;
 pub use tls::AsyncNoTlsStream;
@@ -486,9 +487,13 @@ where
     /// Finalize put when using stream
     /// This method must be called once the file has been written and
     /// `put_with_stream` has been used to write the file
-    pub async fn finalize_put_stream(&mut self, stream: impl Write) -> FtpResult<()> {
+    pub async fn finalize_put_stream(&mut self, mut stream: impl Write + Unpin) -> FtpResult<()> {
         debug!("Finalizing put stream");
         // Drop stream NOTE: must be done first, otherwise server won't return any response
+        stream
+            .close()
+            .await
+            .map_err(FtpError::ConnectionError)?;
         drop(stream);
         trace!("Stream dropped");
         // Read response