Re: [mp2] how to redirect POST data

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Beberle wrote:
> Hi,
> 
> I found a similar question posted in the newsgroups
> but no one seemed to have a solution.  Here's what I'm
> trying to do.  I have a web page that does a POST to a
> remote server.  Basiscally, I'm trying to read the
> post data and if it matches a regex, I want to
> redirect it.  Otherwise, I want to let the POST
> continue normally (submitting to the remote server).  
> 
> At the PerlTransHandler stage, I have a handler that
> reads the post data like so:
> 
> my $method = $r->method();
> if ($method =~ /post/i) {
>     my $content;		  
>     $r->read($content,
>          $r->headers_in->{'content-length'});
>     if ($content =~ /some_regex/){
>         # redirect
>     } else {
>         # continue with post
>         return OK;
>     }
> }
> 
> I can capture the POST data and redirect the user just
> fine. The problem occurs with the submitted forms that
> don't match the regex.  If I just return OK, the
> browser hangs (because the POST data has been reset?).
>  I'll admit I'm a bit confused as to what's actually
> going on here (still new to mod_perl).  I read you're
> not supposed to parse the form data except at the
> ContentHandler step, but since the form is submitting
> to a remote host, I can't really do that.
> 

Not 100% sure what you are telling me here but why not simply use 
Apache::Request->instance($r).

The problem with POSTED data is that you can not read them more than 
once you can think of it like STDIN when read once you can not go back 
and read it once more.

> Any ideaas?

In mp2 you could also use an input-filter for this purpose.

> 
> Thanks,
> Bill
> 
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