[Phpmyadmin-devel] HTTP compilance

Ignacio Vazquez-Abrams ignacio at openservices.net
Mon Aug 13 17:14:24 CEST 2001

On Sun, 12 Aug 2001, Benjamin Gandon wrote:

> I've just pointed out that we use the "Location:" HTTP header
> field in a manner that is not HTTP complilant. It seems that it
> work because browsers seem to respect Postel's advice ("be
> conservative in what you send and liberal in what you accept").
> rfc 2816 says:
>        Location       = "Location" ":" absoluteURI
>    An example is:
>        Location: http://www.w3.org/pub/WWW/People.html
> And we use for example:
> tbl_select.php3:181:    header('Location: sql.php3?' . $url_query);
> And that is quite not an absolute URI...
> I didn't find any suitable header in rfc2616 that could replace
> the "Location:" one and accept relative URI. ("Content-Location:"
> is quite good but it does not specify a replacement for the original
> requested URI).
> It seems that in order to have phpMyAdmin generate absolute URI in
> "Location:" HTTP headers, we have to introduce a configuration
> variable that would hold the absolute path (server name + path!).
> I don't think solving this is urgent because it works fine like that
> (except lynx who warns the user that the Location URL is not absolute
> and then goes to the right place).
> We can postpone that for a later version or let it go and just document
> that we do that (My lazyness would recommend letting it go :)).

It's important for closure, but it can wait.

BTW, the way to do this is:

  header('Location: http://'.$HTTP_SERVER_VARS['HTTP_HOST'].

or something to that effect.

Ignacio Vazquez-Abrams  <ignacio at openservices.net>

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