feat: add content-disposition when send file

src/server.rs

@@ -346,10 +346,7 @@ impl Server {
         res: &mut Response,
     ) -> BoxResult<()> {
         let (mut writer, reader) = tokio::io::duplex(BUF_SIZE);
-        let filename = path
-            .file_name()
-            .and_then(|v| v.to_str())
-            .ok_or_else(|| format!("Failed to get file name of `{}`", path.display()))?;
+        let filename = get_file_name(path)?;
         res.headers_mut().insert(
             CONTENT_DISPOSITION,
             HeaderValue::from_str(&format!(
@@ -488,6 +485,13 @@ impl Server {
             );
         }
 
+        let filename = get_file_name(path)?;
+        res.headers_mut().insert(
+            CONTENT_DISPOSITION,
+            HeaderValue::from_str(&format!("inline; filename=\"{}\"", encode_uri(filename),))
+                .unwrap(),
+        );
+
         res.headers_mut().typed_insert(AcceptRanges::bytes());
 
         let size = meta.len();
@@ -1028,6 +1032,12 @@ fn status_no_content(res: &mut Response) {
     *res.status_mut() = StatusCode::NO_CONTENT;
 }
 
+fn get_file_name(path: &Path) -> BoxResult<&str> {
+    path.file_name()
+        .and_then(|v| v.to_str())
+        .ok_or_else(|| format!("Failed to get file name of `{}`", path.display()).into())
+}
+
 fn set_webdav_headers(res: &mut Response) {
     res.headers_mut().insert(
         "Allow",

tests/http.rs

@@ -105,6 +105,7 @@ fn head_file(server: TestServer) -> Result<(), Error> {
     assert_eq!(resp.status(), 200);
     assert_eq!(resp.headers().get("content-type").unwrap(), "text/html");
     assert_eq!(resp.headers().get("accept-ranges").unwrap(), "bytes");
+    assert!(resp.headers().contains_key("content-disposition"));
     assert!(resp.headers().contains_key("etag"));
     assert!(resp.headers().contains_key("last-modified"));
     assert!(resp.headers().contains_key("content-length"));