From ed1250c48dd657e30ba9ef0c10baab38e9e70547 Mon Sep 17 00:00:00 2001
From: Nicolas Boisselier <nicolas.boisselier@gmail.com>
Date: Thu, 9 Aug 2018 01:35:55 +0100
Subject: [PATCH] lib/lua/nb.lua

---
 lib/lua/nb.lua | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lib/lua/nb.lua b/lib/lua/nb.lua
index 7955c305..2cd3c4dc 100644
--- a/lib/lua/nb.lua
+++ b/lib/lua/nb.lua
@@ -19,6 +19,17 @@ function nb:readall(file)
 	end
 end
 
+function nb:ngx_get_args(keys)
+	local args = ''
+	for _,k in pairs(keys) do
+		--local v = ngx.escape_uri(ngx.var['arg_'..k])
+		if ngx.var['arg_'..k] then
+			args = args .. '&' .. k .. '=' .. ngx.escape_uri(ngx.var['arg_'..k])
+		end
+	end
+	return args
+end
+
 function nb:ngx_uri_arg(k,v)
 	local uri = ngx.var.request_uri
 	local args = uri:gsub('^[^%?]+%?(.*)$','%1')
-- 
2.47.3