$_SERVER['PHP_AUTH_USER'] is empty

Question

I tried to update the php version of my VPS but it didn't work and my provider didn't help me well, so i downgrade it to the previous version.

I am now working with PHP 5.2.17 (cli). Everything was working properly in this version.

Since this upgrade and downgrade, the variable $_SERVER['PHP_AUTH_USER'] is empty. (In the php.ini, register_globals is 'on' and $_SERVER['PHP_SELF'] is properly working).

It ask me properly my username and password and i success to connect but i need to use $_SERVER['PHP_AUTH_USER'].

I tried $_SERVER['PHP_AUTH_USER'], $_SERVER['AUTH_USER'], $_SERVER['REMOTE_USER'] nut none is working. (but im never getting any error, just a blank value...)

BastienSander · Accepted Answer · 2012-09-24 03:08:51Z

13

I finally found the answer thanks to 'mbinette'.

In my PHP configuration, the handler of PHP 5 was CGI, and this type of authentication doesn't work with PHP CGI. So i changed it to suPHP (which is supposed to be the default one on APACHE).

Find here a post explaining a way to use CGI and PHP_AUTH, but i tried and it wasn't working.

Find here some explanations about php handlers

answered Sep 24, 2012 at 3:08

BastienSander

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mbinette Over a year ago

Glad you found the solution! I honestly didn't have any other idea of what it could be (the only problem I ever had about that was because of safe-mode)..! Cheers!

mbinette · Accepted Answer · 2012-09-24 02:10:22Z

3

Is safe mode activated? That might be your problem...

As of PHP 4.3.0, in order to prevent someone from writing a script which reveals the password for a page that was authenticated through a traditional external mechanism, the PHP_AUTH variables will not be set if external authentication is enabled for that particular page and safe mode is enabled. Regardless, REMOTE_USER can be used to identify the externally-authenticated user. So, you can use $_SERVER['REMOTE_USER'].

Source: http://php.net/manual/en/features.http-auth.php

answered Sep 24, 2012 at 2:10

mbinette

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3 Comments

BastienSander Over a year ago

In my php.ini file, i have : safe_mode = Off

mbinette Over a year ago

Are you sure the problem comes from PHP? (and not something like this: stackoverflow.com/questions/5037046/serverphp-auth-user-empty ?). Also, can you make sure error_reporting is on and that there is no errors being thrown prior to that?

BastienSander Over a year ago

i see it may not work with php cgi, but how can i know which handler to use ? I can choose between : suphp, dso, cgi and none ?

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