FreeLists / dokuwiki / [dokuwiki] Re: dokuwiki htaccess rules in conflict with other domain rewrites?

[Ryan Jacobs <ryan.jake@xxxxxxxxx>]

Hi again,

Yea, I think my issue was one of the following:

- Either apache can't work with two different rewrite bases in two 
different .htaccess files in the same path at once, or,
- The domain-wide stuff (to canonicalize) has to come before any other 
rewrites, and the lower-level path rewrites (ie. the Dokuwiki specific 
stuff) were executing first. Perhaps this was conflicting somehow with 
the root rewrites.
Either way, I figured I needed to just duplicate the domain-wide stuff 
in my /dokuwiki/.htaccess (like you suggested) ... but this lead to 
headaches (seemingly host-related), which I won't get into...
Anyway, to make a long story short, I just did the reverse and moved the 
Dokuwiki stuff into the root /.htaccess and decided to make it the 
one-and-only .htaccess for the domain:
## First do the global domain stuff

# Canonicalize the domain
RewriteCond %{HTTP_HOST} !^mydomain.com$ [NC]
RewriteRule ^(.*)$ http://mydomain.com/$1 [L,R=301]

## Now do the /dokuwiki Dokuwiki stuff. I just added "dokuwiki/"
## before each entry from the generic Dokuwiki example

RewriteRule ^dokuwiki/_media/(.*)  dokuwiki/lib/exe/fetch.php?media=$1 
[QSA,L]
RewriteRule ^dokuwiki/_detail/(.*)  dokuwiki/lib/exe/detail.php?media=$1 
 [QSA,L]
RewriteRule ^dokuwiki/_export/([^/]+)/(.*) 
dokuwiki/doku.php?do=export_$1&id=$2  [QSA,L]
RewriteRule ^dokuwiki/$                        dokuwiki/doku.php  [L]
RewriteCond %{REQUEST_FILENAME}            !-f
RewriteCond %{REQUEST_FILENAME}            !-d
RewriteRule ^dokuwiki/(.*)                     dokuwiki/doku.php?id=$1 
[QSA,L]
RewriteRule ^dokuwiki/index.php$               dokuwiki/doku.php

Maybe not the ideal solution, bit it all seems to be working.

Cheers!
Ryan


Markus Frosch wrote:
> Hi Ryan
> hm I missed this "merging" part of documentation...
>
> All my experience with mod_rewrite shows me that local rules overwrites
> the rules from parent directories.
>
> Maybe this feature will be implemented in the future.
>
> But you should not rely on this at the moment ;-)
>
> Markus
>
> Ryan Jacobs schrieb:
> > Hi Markus!
> >
> > Thanks very much for the reply.
> >
> > hummm, I'm getting conflicting info as I scour Google more and see this
> > reply. I think there is one fundamental htaccess rule/concept that is
> > alluding me (I hope this is not going to be embarrassing for me):
> >
> > If you have a .htaccess file in a domain root, and then one in a
> > subdirectory, how are their rules merged/combined/ordered?
> >
> > apache.org documentation seems to imply that they are combined such that
> > rules defined in parent dir .htaccess files can override rules in child
> > .htaccess files. It seems to say that the rules merge/combine AND cascade.
> >
> > However, your post, my experience, and a couple other sites I've read
> > seem to imply that the lowest .htaccess file found is THE ONE AND ONLY
> > .htaccess file, and any that rules that exist in .htaccess files in
> > parent directories are just ignored completely.
> >
> > Maybe the latter only applies for things like rewrites, but not for
> > other directives (like "options", etc.).
> >
> > I hope I've been able to justify my confusion here... without
> > embarrassing myself too much (I though I had already wrapped my head
> > around the basics of apache rewrites and directives).
> >
> > Thanks!
> > Ryan
> >
> > Markus Frosch wrote:
> > > Hello Ryan,
> > > I'm not sure what your problem is with this rewrite issue...
> > >
> > > It's just logical to replace any parent rewrite rules if local rules are
> > > existing. Just imaging what happens if Apache "merges" these rules. It
> > > would end up in a chaotic configuration...
> > >
> > > You should be able to solve the problem by adding the following as one
> > > of the first rules to Dokuwiki's .htaccess:
> > >
> > > RewriteCond %{HTTP_HOST} !^mydomain.com$ [NC]
> > > RewriteRule ^/dokuwiki(.*)$ http://mydomain.com/dokuwiki$1 [L,R=301]
> > >
> > > What do you think? :-)
> > >
> > > Markus Frosch
> > >
> > > Ryan Jacobs schrieb:
> > > > Hello!
> > > >
> > > > I really hope this is an appropriate place to ask this question, as I
> > > > think it might be more apache rewrite-specific that dokuwiki-specific,
> > > > but I'm just not sure, and am hoping someone out there may shed some
> > > > light on things. I've scoured Google, but have only found a couple cases
> > > > of similar problems, but no actual solutions...
> > > >
> > > > Basically I have a dokuwiki install rooted in a subdirectory of my
> > > > domain (http://mydomain.com/dokuwiki), all of which is hosted on a
> > > > shared commercial host (not my own server). I have URL rewriting setup
> > > > using an .htaccess file in my /dokuwiki folder and the standard rewrite
> > > > rules for a dokuwiki install (found at
> > > > http://wiki.splitbrain.org/wiki:rewrite and using "RewriteBase
> > > > /dokuwiki").
> > > >
> > > > My problem arises when I try to setup some other domain-wide rewrite
> > > > rules in another .htaccess file at the root of the domain
> > > > (http://mydomain.com/). These new rules function for any directory in my
> > > > domain EXCEPT my dokuwiki installation at /dokuwiki. For example I use
> > > > the following in the domain root .htaccess to remove the www from all
> > > > domain requests:
> > > >
> > > > RewriteEngine On
> > > > RewriteBase /
> > > > RewriteCond %{HTTP_HOST} !^mydomain.com$ [NC]
> > > > RewriteRule ^(.*)$ http://mydomain.com/$1 [L,R=301]
> > > >
> > > > A request to http://www.mydoman.com/somefolder/ redirects to
> > > > http://mydoman.com/somefolder/, but http://www.mydoman.com/dokuwiki/
> > > > DOES NOT redirect. However if I turn off Dokuwiki rewriting and remove
> > > > my /dokuwiki/.htaccess file, then http://www.mydoman.com/dokuwiki/ DOES
> > > > redirect to the non-www version.
> > > >
> > > > I read that apache has to do some tricky things to manage paths when
> > > > processing per-directory .htaccess rules (hence the RewriteBase), so
> > > > maybe there is some conflict here? Or perhaps there is something in the
> > > > default Dokuwiki .htaccess rules that somehow conflicts with .htaccess
> > > > rules higher up in the tree (though I didn't think that was possible)?
> > > >
> > > > Sorry again if this is very apache specific, but I have to start
> > > > somewhere, and am perhaps a bit over my head at the moment.
> > > >
> > > > Thanks and cheers,
> > > > Ryan
> > > Gruß
> > > Markus Frosch
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