v0.34.0_6

src/proxy/forward/route_cache.rs

@@ -169,12 +169,11 @@ let body_empty = if cache_enabled
 } else {
     cache_enabled && request.body().is_end_stream()
 };
-let public_suffix = request
-    .uri()
-    .path_and_query()
-    .map(|v| v.as_str())
-    .unwrap_or("/")
-    .to_owned();
+// Keep the original URI alive through forwarding: ordinary targets can be
+// borrowed while route rewrites still allocate and are strictly validated.
+let public_suffix: std::borrow::Cow<'_, str> = std::borrow::Cow::Borrowed(
+    routing_uri.path_and_query().map(|v| v.as_str()).unwrap_or("/")
+);
 let cache_plan = cache_plan::CachePlan::new(policy_reason, cache_settings, &path, || {
     cache_settings.active_for(route.cache) && route
         .frontend
@@ -200,7 +199,7 @@ let origin_suffix = match route.rewritten_path(&path) {
             encoded.push('?');
             encoded.push_str(query);
         }
-        encoded
+        std::borrow::Cow::Owned(encoded)
     }
     Err(_) => return error(StatusCode::BAD_REQUEST, "RustProxy: invalid rewritten request target\n"),
 };