Bugfix regarding HEAD requests

[Lucu.git] / Network / HTTP / Lucu / Postprocess.hs

diff --git a/Network/HTTP/Lucu/Postprocess.hs b/Network/HTTP/Lucu/Postprocess.hs
index 4ba7865d466f499a11d6a5f86c133bfc34b705f4..7157b7d56e9dd14c4dcaa635ce47be599d2d15f6 100644 (file)
--- a/Network/HTTP/Lucu/Postprocess.hs
+++ b/Network/HTTP/Lucu/Postprocess.hs
@@ -69,29 +69,24 @@ abortOnCertainConditions (NI {..})
 
 postprocessWithRequest ∷ NormalInteraction → STM ()
 postprocessWithRequest ni@(NI {..})
-    = do willDiscardBody ← readTVar niWillDiscardBody
-         canHaveBody     ← if willDiscardBody then
-                               return False
-                           else
-                               resCanHaveBody <$> readTVar niResponse
-
-         updateRes ni
+    = do updateRes ni
              $ deleteHeader "Content-Length"
              ∘ deleteHeader "Transfer-Encoding"
 
+         canHaveBody ← resCanHaveBody <$> readTVar niResponse
          if canHaveBody then
-             do when niWillChunkBody $
-                    writeHeader ni "Transfer-Encoding" (Just "chunked")
-                writeDefaultPageIfNeeded ni
-         else
-             do writeTVar niWillDiscardBody True
-                -- These headers make sense for HEAD requests even
-                -- when there won't be a response entity body.
+             do when niWillChunkBody
+                    $ writeHeader ni "Transfer-Encoding" (Just "chunked")
                 when (reqMethod niRequest ≢ HEAD)
-                    $ updateRes ni
-                    $ deleteHeader "Content-Type"
-                    ∘ deleteHeader "Etag"
-                    ∘ deleteHeader "Last-Modified"
+                    $ writeDefaultPageIfNeeded ni
+         else
+             -- These headers make sense for HEAD requests even when
+             -- there won't be a response entity body.
+             when (reqMethod niRequest ≢ HEAD)
+                 $ updateRes ni
+                 $ deleteHeader "Content-Type"
+                 ∘ deleteHeader "Etag"
+                 ∘ deleteHeader "Last-Modified"
 
          hasConnClose ← (≡ Just "close") <$> readCIHeader ni "Connection"
          willClose    ← readTVar niWillClose