JT Smith wrote:
> I'd like to write a handler that would serve big files out of a local
> cache but proxy everything else through to another server. The situation
> is that there is an extranet in the US, but a lot of folks in New
> Zealand need access to the file downloads. I don't want to replicate the
> whole installation in NZ, but instead, give them a seperate server with
> mod_proxy set up so that when they request most pages it proxies them
> through from the main server, but when they ask for a really big file in
> the /uploads path that it can pull it out of local cache.
> 
> Here's what I have so far:
> 
> package CacheHandler;
> 
> use Apache2::Request;
> use Apache2::Const;
> 
> sub handler {
>     my $r = shift;
>     if ($r->uri =~ m/^\/uploads/) {
>         my $path = "/data/cache".$r->uri;
>         if (-f $path) {
>                # make it serve up this local file since it exists
>         }
>     }
      else {
          my $real_url = $r->unparsed_uri;
          $r->proxyreq(1);
          $r->uri($real_url);
          $r->filename("proxy:$real_url");
          $r->handler('proxy-server');
      }
>     return Apache2::Const::DECLINED;
> }
> 
> 1;

And then you don't need ProxyPass anymore.

See http://perl.apache.org/docs/2.0/api/Apache2/RequestRec.html#C_proxyreq_ for
more details

> And here's the virtual host I've set up:
> 
> <VirtualHost *:80>
> ServerName extranet
> SSLProxyEngine on
> DocumentRoot "/data/cache"
> ProxyPass / https://example.com/
> PerlModule CacheHandler
> PerlInitHandler CacheHandler
> </VirtualHost>
> 
> What can I add into my handler to make it circumvent the ProxyPass
> directive? Or if I can't do that, how can I tell it to enable ProxyPass
> on any request where I don't pass those other conditions?
> 
> Thanks for any assistance you can provide in advance.

--------------------------------------------------------------------------------
Philippe M. Chiasson m/gozer\@(apache|cpan|ectoplasm)\.org/ GPG KeyID : 88C3A5A5
http://gozer.ectoplasm.org/     F9BF E0C2 480E 7680 1AE5 3631 CB32 A107 88C3A5A5

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