On 21 October 2011 18:04, Nginx User <nginx@nginxuser.net> wrote:
> So I managed to get my config going smoothly with "GET" requests as
> outlined here: http://mailman.nginx.org/pipermail/nginx/2011-October/029901.html
> with this correction
> http://mailman.nginx.org/pipermail/nginx/2011-October/029903.html
>
> I then decided to extend to cover "POST" requests.
>
> Here is the calling location:
>
> location @proxy_no_cache {
> lua_need_request_body on;
> access_by_lua_file '/etc/nginx/firewall.lua';
> ...
> proxy_pass http://127.0.0.1:8080;
> ...
> }
>
> firewall.lua contains:
>
> ...
> -- Check "GET" Args
> local args = ngx.req.get_uri_args()
> for key, val in pairs(args) do
> if type(val) == "table" then
> my_arg = table.concat(val, ", ")
> else
> my_arg = val
> end
> if my_arg and type( my_arg ) ~= "boolean" then
> dofile("/etc/nginx/regex_rules.lua")
> end
> end
>
> -- Check "POST" Args
> local args = ngx.req.get_post_args()
> for key, val in pairs(args) do
> if type(val) == "table" then
> my_arg = table.concat(val, ", ")
> else
> my_arg = val
> end
> if my_arg and type( my_arg ) ~= "boolean" then
> dofile("/etc/nginx/regex_rules.lua")
> end
> end
> ngx.exit(ngx.OK)
My mistake. Needed to make the blocks conditional
-- Check "GET" Args
if ngx.var.request_method == "GET" then
local args = ngx.req.get_uri_args()
for key, val in pairs(args) do
if type(val) == "table" then
my_arg = table.concat(val, ", ")
else
my_arg = val
end
if my_arg and type( my_arg ) ~= "boolean" then
dofile("/etc/nginx/regex_rules.lua")
end
end
end
-- Check "POST" Args
if ngx.var.request_method == "POST" then
local args = ngx.req.get_post_args()
for key, val in pairs(args) do
if type(val) == "table" then
my_arg = table.concat(val, ", ")
else
my_arg = val
end
if my_arg and type( my_arg ) ~= "boolean" then
dofile("/etc/nginx/regex_rules.lua")
end
end
end
ngx.exit(ngx.OK)
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