Re: [users@httpd] RewriteRule and VirtualDocumentRoot: How do they interract ?

[Eric Covener <co...@gmail.com>]

On 1/14/10, Thomas Preud'homme <th...@celest.fr> wrote:
> Greetings,
>
>  === Context ===
> What I don't understand is that after the substitution,
>  apache look for the file by prepending document_root (/htdocs on my server) to
>  the substitution. But I use VirtualDocumentRoot and no DocumentRoot so that my
>  files are usually accessed via the value of VirtualDocumentRoot.

See the PT flag + using a URL-path in your substitution instead of a
filesystem path.

PT is implicit in per-directory.  It's what allows "other" modules to
to a URL->filesystem mapping, otherwise they don't see the output of
your rewrite.

-- 
Eric Covener
covener@gmail.com

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RE: [users@httpd] RewriteRule and VirtualDocumentRoot: How do they interract ?

[Oliver Schoenborn <sc...@cae.com>]

> From the doc :
> 
> 
> This flag is just a hack to enable post-processing of the output of
> RewriteRule directives, using Alias, ScriptAlias, Redirect, and other
> directives from various URI-to-filename translators
> 
> If I understand well (correct me if I'm wrong), after RewriteRule has
> applied, the result is understood as a file path, that's why others
> directives (such as Alias, Redirect and so on) don't apply on the
> result. But why is the DocumentRoot prepended to the result, is it
> because it's in the core apache and not a module ?

The rewriterule transforms a URI into a new URI. 


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Re: [users@httpd] RewriteRule and VirtualDocumentRoot: How do they interract ?

[Thomas Preud'homme <th...@celest.fr>]

Le jeudi 14 janvier 2010 19:53:09, Eric Covener a écrit :
> On 1/14/10, Thomas Preud'homme <th...@celest.fr> wrote:
> > Greetings,
> >
> >  === Context ===
> > What I don't understand is that after the substitution,
> >  apache look for the file by prepending document_root (/htdocs on my
> > server) to the substitution. But I use VirtualDocumentRoot and no
> > DocumentRoot so that my files are usually accessed via the value of
> > VirtualDocumentRoot.
> 
> See the PT flag + using a URL-path in your substitution instead of a
> filesystem path.
I thought RewriteRule with a full URL path was striping the http://server part 
(I get it from the doc). So what is the difference with only matching the 
remaining part of the URL ? The result of the rule I wrote is a valid URL if 
prepended by http://myserver
> 
> PT is implicit in per-directory.  It's what allows "other" modules to
> to a URL->filesystem mapping, otherwise they don't see the output of
> your rewrite.
> 
From the doc :


This flag is just a hack to enable post-processing of the output of RewriteRule 
directives, using Alias, ScriptAlias, Redirect, and other directives from 
various URI-to-filename translators

If I understand well (correct me if I'm wrong), after RewriteRule has applied, 
the result is understood as a file path, that's why others directives (such as 
Alias, Redirect and so on) don't apply on the result. But why is the 
DocumentRoot prepended to the result, is it because it's in the core apache 
and not a module ?

I don't use any of this directives in this vhost (I use them but only for 
other vhost) for the moment. Is it also valid for handling VirtualDocumentRoot 
?

Sorry for all my questions, I'd rather understand mechanisms that just making 
the change and miss something important.

Best regards,

Thomas Preud'homme

P.S. : This mailing list system should set X-Mailing-List mail header to allow 
proper reply to the list with good MUA