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List:       apache-httpd-users
Subject:    [users@httpd] Mod_Rewrite and Virtual Hosting.
From:       Steve Redlich <apache () redlicheng ! com>
Date:       2005-01-29 19:31:22
Message-ID: Pine.LNX.4.58.0501291123530.27545 () steveredlich ! com
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Hi,

I've been using mod_vhost_alias successfully with
VirtualDocumentRoot /var/httpd/websites/%-2.0.%-1.0

However, I want to switch to using a "separate virtual host configuration file"
using mod_rewrite as described at the bottom of
http://httpd.apache.org/docs/vhosts/mass.html

The vhost map shown:
www.customer-1.com  /www/customers/1
www.customer-2.com  /www/customers/2
...

I want to make the "www." part of the URL optional.

I've setup my vhost map (and document directories) as shown:
domain1.com	/var/httpd/user1/domain1.com
domain2.net	/var/httpd/user1/domain2.net
domain3.com	/var/httpd/user2/domain3.com
domain4.org	/var/httpd/user2/domain4.org
doamin5.com	/var/httpd/user3/domain5.com
...

I want to modify the rules in the given example to remove the
www. if present from the SERVER_HOST  before looking up the
root directory (for the given domain) in the map

unlike the example, I have one cgi-bin directory on my server so I do not
need to map it per domain.

Below is my attempt at writing the modified configuration (in httpd.conf)
I would appreciate some comments on my modifications before trying it out
as I'm new to mod_rewrite.

Thanks,
Steve

--
RewriteEngine on

RewriteMap   lowercase  int:tolower

# define the map file
RewriteMap   vhost      txt:/etc/apache/vhost.map

# deal with aliases as in example
RewriteCond  %{REQUEST_URI}               !^/icons/
RewriteCond  %{REQUEST_URI}               !^/cgi-bin/

# handle leading www separately
RewriteCond  ${lowercase:%{SERVER_NAME}}  !^www\.

RewriteCond  ${lowercase:%{SERVER_NAME}}  ^(.+)$
# this does the file-based remap
RewriteCond  ${vhost:%1}                  ^(/.*)$
RewriteRule  ^/(.*)$                      %1/$1

# remove the www
RewriteCond  ${lowercase:%{SERVER_NAME}}  ^www\.(.+)$
RewriteCond  ${vhost:%1}                  ^(/.*)$
RewriteRule  ^/(.*)$                      %1/$1
--

Here is the original recipe from http://httpd.apache.org/docs/vhosts/mass.html

RewriteEngine on

RewriteMap   lowercase  int:tolower

# define the map file
RewriteMap   vhost      txt:/www/conf/vhost.map

# deal with aliases as above
RewriteCond  %{REQUEST_URI}               !^/icons/
RewriteCond  %{REQUEST_URI}               !^/cgi-bin/
RewriteCond  ${lowercase:%{SERVER_NAME}}  ^(.+)$
# this does the file-based remap
RewriteCond  ${vhost:%1}                  ^(/.*)$
RewriteRule  ^/(.*)$                      %1/docs/$1

RewriteCond  %{REQUEST_URI}               ^/cgi-bin/
RewriteCond  ${lowercase:%{SERVER_NAME}}  ^(.+)$
RewriteCond  ${vhost:%1}                  ^(/.*)$
RewriteRule  ^/(.*)$                      %1/cgi-bin/$1

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