get complete url using nginx and lua with openresty

Question

If request URL is

test.com/gifts.

If i am using

 ngx.var.uri

output is

/gifts/

expected output is

test.com/gifts

Code :

 location /gifts {
                    try_files $uri @url_change;
                }


                location @url_change {
                default_type text/html;
                content_by_lua '

                        ngx.say(ngx.var.uri)
                         ';
                }

you can get it by, ngx.var.request_uri

Prathap
– Prathap

2017-01-05 12:37:12 +00:00
Commented Jan 5, 2017 at 12:37 — Prathap
– Prathap, Commented Jan 5, 2017 at 12:37

Lyfing · Accepted Answer · 2017-09-20 16:09:07Z

19

If anyone is looking for the original request uri, it's here:

ngx.var.request_uri

While ngx.var.uri is the new uri after ngx rewrite phase.

Try it:

ngx.say(ngx.var.request_uri)

answered Sep 20, 2017 at 16:09

Lyfing

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Comments

Mohammad AbuShady · Accepted Answer · 2013-11-15 13:22:46Z

16

I don't really understand what you want, but if you want the actual full URL i think you can use this

$http_host$request_uri;

answered Nov 15, 2013 at 13:22

Mohammad AbuShady

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4 Comments

Szczepan Hołyszewski Over a year ago

This is nowhere near a "complete URL" that would contain scheme, user if present, password if present, host, port if present, path, and query if present.

Viet Nguyen Over a year ago

Thanks, your help works like a charm, $request_uri will get full uri event .html

ahuigo Over a year ago

ngx.var.scheme.."://".. ngx.var.http_host.. ngx.var.request_uri.."?"..ngx.var.query_string

tsh Over a year ago

@ahuigo I got "attempt to concatenate field 'query_string' (a nil value)" error

Jacky · Accepted Answer · 2015-01-19 08:29:08Z

6

ngx.say(ngx.var.host .. '/' .. ngx.var.uri)

answered Jan 19, 2015 at 8:29

Jacky

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Comments

catwell · Accepted Answer · 2013-11-15 13:17:02Z

2

Isn't what you need just the $host variable, i.e. ngx.var.host?

answered Nov 15, 2013 at 13:17

catwell

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3 Comments

AabinGunz Over a year ago

Can you please have a look at my question?

Joe McMahon Over a year ago

@abi1964's question has been moved or removed.

AabinGunz Over a year ago

@JoeMcMahon: Sorry it was deleted. Thanks for your help :)

Alex Pop · Accepted Answer · 2021-02-20 17:36:35Z

1

Generate the full url and avoid getting an error when query_string is nil:

local full_url = ngx.var.scheme.."://"..ngx.var.http_host..ngx.var.request_uri
if ngx.var.query_string ~= nil then
  full_url = full_url.."?"..ngx.var.query_string
end
ngx.say(full_url)

answered Feb 20, 2021 at 17:36

Alex Pop

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