fix(pcloud,seafile): use get_basename and get_parent (#4020)

core/src/services/pcloud/core.rs

@@ -334,14 +334,12 @@ impl PcloudCore {
     pub async fn upload_file(&self, path: &str, bs: Bytes) -> Result<Response<IncomingAsyncBody>> {
         let path = build_abs_path(&self.root, path);
 
-        let paths: Vec<&str> = path.split('/').collect();
-        let name = paths[paths.len() - 1];
-        let path = path.replace(&format!("/{}", name), "");
+        let (name, path) = (get_basename(&path), get_parent(&path).trim_end_matches('/'));
 
         let url = format!(
             "{}/uploadfile?path=/{}&filename={}&username={}&password={}",
             self.endpoint,
-            percent_encode_path(&path),
+            percent_encode_path(path),
             percent_encode_path(name),
             self.username,
             self.password

core/src/services/seafile/writer.rs

@@ -48,16 +48,18 @@ impl SeafileWriter {
 #[async_trait]
 impl oio::OneShotWrite for SeafileWriter {
     async fn write_once(&self, bs: &dyn oio::WriteBuf) -> Result<()> {
-        let path = build_abs_path(&self.core.root, &self.path);
         let bs = oio::ChunkedBytes::from_vec(bs.vectored_bytes(bs.remaining()));
 
         let upload_url = self.core.get_upload_url().await?;
 
         let req = Request::post(upload_url);
 
-        let paths = path.split('/').collect::<Vec<&str>>();
-        let filename = paths[paths.len() - 1];
-        let relative_path = path.replace(filename, "");
+        let (filename, relative_path) = if self.path.ends_with('/') {
+            ("", build_abs_path(&self.core.root, &self.path))
+        } else {
+            let (filename, relative_path) = (get_basename(&self.path), get_parent(&self.path));
+            (filename, build_abs_path(&self.core.root, relative_path))
+        };
 
         let file_part = FormDataPart::new("file")
             .header(