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The PAPI authentication and authorization framework


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"Diego R. Lopez" <[log in para visualizar]>
Reply To:
The PAPI authentication and authorization framework <[log in para visualizar]>
Wed, 19 Apr 2006 23:41:41 +0200
text/plain (65 lines)

Let me try to answer your two last messages into this.

Romain Dupre wrote:
> I am testing the proxy and the automatic form filling.
> First, i had a problem because the eval_proxy_redirects didn't seem to 
> work. I investigated so i found that the last ")" from the login and 
> password parameters to evaluate was deleted. So i modified the line 236 in 
> : $fv = eval $formProc->{settings}{$f}.")";.
> It is now working but it is not a beautiful correction.

The Eval_Proxy_Redirects is deprecated because it can potentially
cause security problems. Why do you think you need it?
Anyway, thanks for the warning: we'll try to fix the error.

> In fact POST is working, yesterday it wasn't but today it is ok (don't ask 
> me why).
> But yesterday i was redirected by the PAPI proxy to the server hosting the 
> application but today everything is passing by the PROXY. 
> I mean the proxy is filling the form at the first page and then i get to 
> the application main page, but some redirections are wrong because some 
> links are broken and images doesn't appear on this main page. The address 
> bar show me:   
> and i want to have: my_application_server/main_page
> Yesterday, it was like this (but i was redirected to the first page due to 
> a bad authentication) and i can't make it like this today.
> Was it an error or is it possible to only fill the form with the PAPI 
> proxy and then access the application without the PAPI proxy?
> (i hope i was clear enough)

Well, if you are trying to proxy a normal, well-behaved site, proxying
with the PAPI RewritingProxy is straightforward: just defining the
appropriate values for Remote_URL or Remote_Domain...

But in many cases, as you have discovered by yourself, it is necessary
to apply special rewrite rules for certain components (images, relative
links, scripts, stylesheets,...). This is general for all HTTP rewriting
proxies we are aware of and that's why we mantain a community-supported
repository of proxy definitions at

If you don't find the specific definition for the site/domain you
are trying to proxy, at least it can help you in getting some ideas
on how deal with the Arcane Craft of Proxy Specification.

Best regards,

"Esta vez no fallaremos, Doctor Infierno"

Dr Diego R. Lopez - RedIRIS
The Spanish NREN

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