From ee75be92ed683d92bbe87ab876ed412d8583bf65 Mon Sep 17 00:00:00 2001
From: lijunlong <lijunlong@openresty.com>
Date: Tue, 28 May 2024 09:38:38 +0800
Subject: [PATCH] optimize: validate the connection header before transfering
to lower.
---
lib/resty/http.lua | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/lib/resty/http.lua b/lib/resty/http.lua
index a85f85a..2646c34 100644
--- a/lib/resty/http.lua
+++ b/lib/resty/http.lua
@@ -794,8 +794,9 @@ function _M.read_response(self, params)
end
-- keepalive is true by default. Determine if this is correct or not.
- local ok, connection = pcall(str_lower, res_headers["Connection"])
- if ok then
+ local connection = res_headers["Connection"]
+ if connection ~= nil then
+ connection = str_lower(connection)
if (version == 1.1 and str_find(connection, "close", 1, true)) or
(version == 1.0 and not str_find(connection, "keep-alive", 1, true)) then
self.keepalive = false