Upload main.rs

src/main.rs

@@ -1281,7 +1281,28 @@ async fn download(
     }
 
     // Determine file extension
-    let ext = if used_fmt.contains("FLAC") || content_type.contains("flac") { "flac" } else { "mp3" };
+    // Проверяем магические байты для определения РЕАЛЬНОГО формата файла
+    let is_flac = dec.len() > 4 && &dec[0..4] == b"fLaC";
+    let is_mp3 = dec.len() > 3 && (
+        (&dec[0..3] == b"ID3") || // ID3 tag
+        (dec[0] == 0xFF && (dec[1] & 0xE0) == 0xE0) // MP3 sync word
+    );
+    
+    let ext = if is_flac {
+        "flac"
+    } else if is_mp3 || used_fmt.contains("MP3") {
+        "mp3"
+    } else if used_fmt.contains("FLAC") {
+        // Заявлен FLAC, но магических байтов нет - возможно битый файл
+        tracing::warn!("Track {} claimed as FLAC but magic bytes not found, treating as mp3", q.id);
+        "mp3"
+    } else {
+        "mp3"
+    };
+    
+    tracing::info!("Download track {}: claimed_format={}, detected_ext={}, size={} bytes", 
+        q.id, used_fmt, ext, dec.len());
+    
     let meta = AudioTagMeta::from(&q);
     dec = inject_audio_metadata(dec, ext, &meta).await;
     
@@ -1307,14 +1328,17 @@ async fn download(
     };
     
     let ct = if ext == "flac" { "audio/flac" } else { "audio/mpeg" };
+    
+    tracing::info!("Sending file: {} ({})", filename, ct);
 
     axum::response::Response::builder()
         .status(200)
         .header("Content-Type", ct)
         .header("Content-Length", dec.len().to_string())
-        .header("Content-Disposition", format!("attachment; filename=\"{}\"", filename))
-        .header("Accept-Ranges", "none")
+        .header("Content-Disposition", format!("inline; filename=\"{}\"", filename))
+        .header("Accept-Ranges", "bytes")
         .header("Access-Control-Allow-Origin", "*")
+        .header("Cache-Control", "public, max-age=31536000")
         .body(axum::body::Body::from(dec))
         .unwrap()
         .into_response()