[PHP] PHP HTTP Forwarding / Port Translation

[Mike MacDonald]

Hi People ! (Diagram below in text)
I'm interested in thoughts on how to effect the equivalent of Router 
Network Address Translation for a PHP page.

The feature that are important are:
 o Can process forms
 o Can pass images
 o Can manage relative HREFs
 o Least invasive to the end user

I've tried PHP Proxy and it works fine for basic pages but Scott 
thinks that it needs work to do forms.

Along with this I'm just wondering if we can intercept the header at a 
low
level and just simply rewrite the port  -- or is this dumb thinking?

I'd be very grateful for any thoughts or references. 

There's a piccie of what I have in mind below -- needs monospaced fonts
before it will make any sense

Thanks in advance
Mike

   Please view in a fixed-width font such as Courier.


   ++
   ||
   | PHP Referrer   |
   | (Proxy)|
   ||
 80| Passes distant |
  Firewall  /  | pages back to  |
+-+/   | requestor  |
|-|   /||
|-|  / | Passes form|
|-| /  | processes forward
|-|/   ++
 --Normal  HTTP Ports /   |
|-|   |
|-|  ++ Distant URL
|-|  |
|-|  |http://distant.com/Dir
|-|  |   +---+
|-|  |   |Target Page|
+-+  |   |Images / forms |
 |   |   |
 +-3000--   |
 |   |
 |   |
 |   |
 |   |
 |  +|
 |  |  /
 |  | /
 +--+/

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[PHP] Relaying variables to distant site

[Mike MacDonald]

Hi People!
Can anyone help with this:


   Want to pick up variables passed from form in
   PHP page and pass to distant site. Can use
   long get, but would like to access ALL variables
   in the PHP page and pass them forward, without
   coding each individual one if possible


  Port 80   Port 3000

   +-WebForm-+ +-PHP Page++-DistantSite-+
   | | | || |
   | | | || |
   |Form Variables---   || |
   | | | || |
   | | |  readfile() - |
   | | | |  ^ | |
   | | | |  | | |
   | | | |  | | |
   | | | |  | | |
   |  +--- |  +---  | |  +---
   |  | /  |  | /   | |  | /
   |  |/   |  |/| |  |/
   +---+--- | +---
|
|
  

   Need to on forward all
   variables passed from
   form

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[PHP] Thanks !!!

[Mike MacDonald]

Well thanks heaps everyone for some very good ideas !
I'm taking bits and pieces and coming together with a very fine 
understanding !

Much appreciated !


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Re: [PHP] Relaying variables to distant site

[Mike MacDonald]

[EMAIL PROTECTED] (Ernest E Vogelsinger) wrote in 
news:5.1.1.6.2.20021115015548.028ef858;mail.vogelsinger.at:

 [EMAIL PROTECTED]

Ernest ! 
I just tried out your solution and it formats up the get string out of 
the box!  We're really close because although the page still errors, if I 
print the composite URL out to the page, and paste it into the browser it 
works fine.

If I run the script as below then it doesn't.

This version uses the 'snoopy' php class, but I get the same result when 
I just use readfile()


$post = null;
foreach($_REQUEST as $var = $val) {
 if ($post) $post .= '';
 $post .= htmlentities($var).'='.htmlentities($val);
 }
//echo $post;
$post=trim($post);
$CompositeURL=http://202.20.65.2:3000/sportzHUB/Fletchers/BookingResults
?$post;
echo $CompositeURL;

// Pull in Snoopy
include ProxyInc.html;
$snoopy = new Snoopy;
$snoopy-fetch($CompositeURL);
print $snoopy-results;

The error is the ioctl error that one gets if the page is not there.
However the page is there -- I can prove it by pasting the printed URL 
into the browser.

We're very nearly there !!
Thanks very much for your help
and all the others who have contributed !!

Kind regards
Mike

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[PHP] Re: Relaying variables to distant site

[Mike MacDonald]

Hi people !
Just a few words of thanks. 
This site is now up and going with the help of all of you
Your guidance pointed us towards new learning and discovery.
In the end we needed to use a number of the suggestions made
-- the destination app is somewhat brittle! and the client 
   firewall political !!!
This is what we did:
  o Used readlines() to pull back the pages from the 
target app site  on port 3000 and echo back on port 80
  o Used redirected the form handler output back to php facade
pages (pages involving a readlines() call)
Finished 2 hours before target, with all of you helping.

Thanks heaps.
Mike


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