always prefer inline display when not downloading

src/download.rs

@@ -45,7 +45,7 @@ pub async fn download(
     path.push(&file_id);
 
     let download = delete_on_download || req.query_string().contains("dl");
-    let (content_type, mut content_disposition) = get_content_types(&path, &file_name);
+    let content_type = get_content_type(&path);
     let is_text = file_kind == FileKind::Text.to_string() || content_type.type_() == mime::TEXT;
     let response = if is_text && !download {
         let content = fs::read_to_string(path).await.map_err(|file_err| {
@@ -57,9 +57,14 @@ pub async fn download(
         let response = HttpResponse::Ok().content_type("text/html").body(view_html);
         Ok(response)
     } else {
-        if download {
-            content_disposition.disposition = DispositionType::Attachment;
-        }
+        let content_disposition = ContentDisposition {
+            disposition: if download {
+                DispositionType::Attachment
+            } else {
+                DispositionType::Inline
+            },
+            parameters: get_disposition_params(&file_name),
+        };
         let file = NamedFile::open(path)
             .map_err(|file_err| {
                 log::error!("file could not be read {:?}", file_err);
@@ -80,24 +85,12 @@ pub async fn download(
     response
 }
 
-fn get_content_types(path: &Path, filename: &str) -> (Mime, ContentDisposition) {
+fn get_content_type(path: &Path) -> Mime {
     let std_path = std::path::Path::new(path.as_os_str());
-    let ct = tree_magic_mini::from_filepath(std_path)
+    tree_magic_mini::from_filepath(std_path)
         .unwrap_or("application/octet-stream")
         .parse::<Mime>()
-        .expect("tree_magic_mini should not produce invalid mime");
-
-    let disposition = match ct.type_() {
-        mime::IMAGE | mime::TEXT | mime::AUDIO | mime::VIDEO => DispositionType::Inline,
-        _ => DispositionType::Attachment,
-    };
-
-    let cd = ContentDisposition {
-        disposition,
-        parameters: get_disposition_params(filename),
-    };
-
-    (ct, cd)
+        .expect("tree_magic_mini should not produce invalid mime")
 }
 
 fn get_disposition_params(filename: &str) -> Vec<DispositionParam> {