mod_rewrite rule to use the CSS from root web folder in a subdomain

Question

My root already has all the css and image files I require

www.example.com (my domain)
www.example.com/css/style.css (my styles)

On my hosting, my sub domain has to live inside a folder

root folder 
  public_html/
    index.php
    css/
      style.php
  subdomains/
      admin/
        .htaccess
        index.php

How can I use mod_rewrite in my subdomain to redirect requests for css into my root folder?

FINAL SOLUTION

Thanks! I used Shikhar's answer and modified it to also work with images and js.

  RewriteCond %{HTTP_HOST} admin.example.com
  RewriteCond %{REQUEST_URI} [css|images|js]/(.*)\.(.*)
  RewriteRule (.*) http://www.example.com%{REQUEST_URI} [R=301,NC,L]

shikhar · Accepted Answer · 2010-02-08 19:59:24Z

2

RewriteCond %{HTTP_HOST} xyz.example.com

RewriteCond %{REQUEST_URI} css/style.css

RewriteRule (.*) http://www.example.com%{REQUEST_URI} [R=301,NC,L]

This requires redirect though.

answered Feb 8, 2010 at 19:59

shikhar

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Comments

QuantumRob · Accepted Answer · 2010-02-08 19:55:49Z

2

If you have access to the box, why not just create a symbolic link from the subdomain folder to the root folder. You should be able to do this through your file manager or though a shell prompt on the box.

answered Feb 8, 2010 at 19:55

QuantumRob

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6 Comments

Johnco Over a year ago

This is good due to it's lower cpu usage, but can be a hassle to mantain, specially when adding servers.

prodigitalson Over a year ago

@johnco: Thats what sh/phing scripts are for :-)

QuantumRob Over a year ago

Doesnt mention if this is going to be deployed out to a lot of servers or not. It could however be done in a script on the box as part of adding the subdomain. You can even do it in PHP as part of the setup with ln ../public_html/css right in the PHP code. Might want to actually check to see if the directory exists though before calling that a bazillion times ;)

QuantumRob Over a year ago

Strange, the PHP back tick didnt come through on that comment. That should surround the command there I listed.

Paolo Over a year ago

You should be able to create a symbolic link via PHP. I created a very simple PHP script to solve exactly the same problem as you on my last shared hosting server (which otherwise didn't have access to do it). See the symlink() function - php.net/manual/en/function.symlink.php

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