From b032e10dfe1bde79f8a4cb34237793cfdf7f6960 Mon Sep 17 00:00:00 2001
From: chronolaw <chrono_cpp@me.com>
Date: Sat, 13 Jan 2024 09:41:24 +0800
Subject: [PATCH] revert pdk.request.get_header

---
 kong/pdk/request.lua | 18 +-----------------
 1 file changed, 1 insertion(+), 17 deletions(-)

diff --git a/kong/pdk/request.lua b/kong/pdk/request.lua
index 624b3aa37cdc..10bb08dfe5df 100644
--- a/kong/pdk/request.lua
+++ b/kong/pdk/request.lua
@@ -625,23 +625,7 @@ local function new(self)
       error("header name must be a string", 2)
     end
 
-    local value = var["http_" .. replace_dashes(name)]
-
-    if value then
-      local p = find(value, ", ", 1, true)  -- changed since nginx 1.23.0
-
-      if p then
-        local GMT_TIME_FMT_LEN = 29   --"Mon, 28 Sep 1970 06:00:00 GMT"
-
-        if p == 4 and #value == GMT_TIME_FMT_LEN and sub(value, -3) == "GMT" then
-          return value
-        end
-
-        return sub(value, 1, p - 1)
-      end
-    end
-
-    return value
+    return var["http_" .. replace_dashes(name)]
   end