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charly at towebs dot com
12 years ago
A simpler approach on the post of:
bernard dot paques at bigfoot dot com
24-Sep-2004 01:42

This is another "patch" to the PHP_AUTH_USER and PHP_AUTH_PW server variables problem running PHP as a CGI.

First of all don't forget this fragment of code in your .htaccess (it's the only thing you need to make it work with mod_rewrite):

<IfModule mod_rewrite.c>
   RewriteEngine on
   RewriteRule .* - [E=REMOTE_USER:%{HTTP:Authorization},L]

Then login.php

= base64_decode( substr($_SERVER["REMOTE_USER"],6)) ;
if ( (
strlen($a) == 0) || ( strcasecmp($a, ":" )  == 0 ))
header( 'WWW-Authenticate: Basic realm="Private"' );
header( 'HTTP/1.0 401 Unauthorized' );
$name, $password) = explode(':', $a);
$_SERVER['PHP_AUTH_USER'] = $name;
$_SERVER['PHP_AUTH_PW']    = $password;


'PHP_AUTH_PW =' . $_SERVER['PHP_AUTH_PW'] . '<br>';

First, we decode the base64 encoded string discarding the first 6 characters of "Basic " and then we do a regular validation.
At the end of the script we print the variables to verify it's working. This should be ommited in the production version.

It's a variation of the script by Bernard Paques.
Thanks to him for that snippet.

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