Re: Apache 2.x authentication and mod_rewrite

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> I have an app that I run that distinguishes between users by appending a cgi variable to the end of a URL, so I setup a .htaccess file in the root of my web directories (/var/www/html) as follows:
> 
> RewriteEngine on
> RewriteBase /
> RewriteRule ^foo/(.*)$ some/really/long/url/$1?tenant_filter=2 [L]
> RewriteRule ^bar/(.*)$ some/really/long/url/$1?tenant_filter=1 [L]
> 
> This works really great.  Clients type in http://myserver.mydomain.com/foo/file.html and the URL magically points them at http://myserver.mydomain.com/some/really/long/url/file.html?tenant_filter=2 while all they see is the http://myserver.mydomain.com/foo/file.html.
> 
> Here's where the problem comes in.
> 
> I'd like to define *separate* authentication parameters for the /foo and /bar virtual directories.  No matter what I try, the authentication is always overridden by the ldap setup in my http.conf above.  What am I doing wrong and what can I do to achieve my goal?  Is it even possible?

Two things you need to look into.

First, doing this in a .htaccess file rather than in the main server configuration file increases the complexity. You should move these rules into the server config.

Second, authentication happens too late to try to do Rewrite based on it. You have to use the %{LA-U:variable} syntax to do a peek-ahead. See http://httpd.apache.org/docs/2.2/mod/mod_rewrite.html for more details on how to do that.

--
Rich Bowen
rbowen@xxxxxxxxxxx


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