fix: harden compression boundaries and target search

2026-07-25 12:23:35 +08:00
parent 0ff9eae56d
commit 61fa9cb820
9 changed files with 787 additions and 169 deletions
--- a/src/worker/mod.rs
+++ b/src/worker/mod.rs
@@ -456,7 +456,10 @@ async fn process_task_file(
    } else {
        (original_size.saturating_sub(compressed_size) as f64) * 100.0 / (original_size as f64)
    };
-    let skip_charge = compression_rate == Some(100);
+    let skip_charge = compression_rate == Some(100)
+        && format_in == format_out
+        && max_width.is_none()
+        && max_height.is_none();
    let charge_units = !skip_charge && compressed_size < original_size;

    if ctx.is_anonymous && charge_units {