Pass parameters though auth_request directive?

Hi,

I am try to implement a simple auth system using nginx,
nginx-auth-request-module and php-fpm.

I want to do the following:
User requests http://myserver.com/content/file1.zip?key=12345

location /content {
auth_request /auth_http.php;

do some logic in auth_http.php then

depending on response from auth_http.php drop the connection or

allow
downloading
{

I can’t get the parameters from the request URI to my auth_http.php
using
the auth_request directive.
My simple auth_http.php to check for the key param:

<?php $key = $_GET['key']; error_log("key is $key \n"); ?>

This shows error in php log:
PHP Notice: Undefined index: key in /usr/local/nginx/html/auth_http.php

I also checked the sizeof $_GET and it is 0. Can someone help me
please?

Posted at Nginx Forum:
http://forum.nginx.org/read.php?2,244760,244760#msg-244760

Hello!

On Mon, Nov 18, 2013 at 03:40:16AM -0500, engenex wrote:

do some logic in auth_http.php then

error_log(“key is $key \n”); ?>

This shows error in php log:
PHP Notice: Undefined index: key in /usr/local/nginx/html/auth_http.php

I also checked the sizeof $_GET and it is 0. Can someone help me please?

This is expected - as auth request is to “/auth_http.php”, and
there is no query string in the subrequest. If you want to check
original request arguments, you have to check them explicitly.

Assuming default fastcgi_param configuration and php, original
request URI (with original query string aka request arguments)
should be available via $_SERVER[‘REQUEST_URI’].


Maxim D.
http://nginx.org/en/donation.html

Hi Maxim!

Your solution worked. Thanks for the fast response.

I was able to access the original params through the
$_SERVER[‘REQUEST_URI’]
php array as you said. I didn’t even have to change my conf.

God bless you. I spent the better part of the last 24 hours trying to
figure this one out.
I should have paid closer attention to my nginx error.log… the answer
was
right there in front of me :wink:

[debug] 15544#0: *15 fastcgi param: “REQUEST_URI:
/content/file3.zip?psk=abracadabra”

Posted at Nginx Forum:
http://forum.nginx.org/read.php?2,244760,244778#msg-244778

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