Hi,
Is it possible to gsub request uri parameter before send to upstream?
original client request query string = /rpc/validation.php?token=aaaa&tokensalt=bbbbb&version=abc
new url /rpc/validation.php?token=aaaa&tokensalt=bbbbb&version=abc123
I tried below code but the URL query string parameter remain the same when forward to upstream.
local args = ngx.req.get_uri_args()
args.version = "abc123"
ngx.req.set_uri_args(args)