From 42bbd754beb1fc0a6a0f7366bb3f20aef2ec8413 Mon Sep 17 00:00:00 2001 From: Jiale Zhi Date: Wed, 16 Jul 2014 16:53:35 -0700 Subject: Do not set cookie when it is duplicated --- lib/resty/cookie.lua | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'lib/resty/cookie.lua') diff --git a/lib/resty/cookie.lua b/lib/resty/cookie.lua index a96da60..dfb8f8a 100644 --- a/lib/resty/cookie.lua +++ b/lib/resty/cookie.lua @@ -165,9 +165,11 @@ function _M.set(self, cookie) if set_cookie_type == "string" then -- only one cookie has been setted - t[1] = set_cookie - t[2] = cookie_str - ngx_header['Set-Cookie'] = t + if set_cookie ~= cookie_str then + t[1] = set_cookie + t[2] = cookie_str + ngx_header['Set-Cookie'] = t + end elseif set_cookie_type == "table" then -- more than one cookies has been setted local size = #set_cookie @@ -176,6 +178,10 @@ function _M.set(self, cookie) -- so create a new table, copy all the values, and then set it back for i=1, size do t[i] = ngx_header['Set-Cookie'][i] + if t[i] == cookie_str then + -- new cookie is duplicated + return true + end end t[size + 1] = cookie_str ngx_header['Set-Cookie'] = t -- cgit v1.2.3-70-g09d2