[wp-hackers] Handling cookies with wp-plugin and wp-supercache

[Gerrit Wessendorf]

Hi William,

Yes, it makes perfect sense. I was afraid Javascript might be the answer to
my problem, but I will try the other options first.
Thanks for the suggestions!
Gerrit



On Sun, Nov 1, 2009 at 3:53 PM, William Canino <
william.canino at googlemail.com> wrote:

> > My test function doesn't seem to be able to update or delete the cookie
> once
> > wp-supercache is activated. If I visit the site by typing in the url
> > directly, my code will set a value indicating it's a direct visit. If I
> then
> > choose to remove and spoof a new referrer the directvisit-value stays and
> > remains unchanged. If I manually delete the cookie from the browser's
> cookie
> > list I'm able to simulate another referrer, but once the cookie is set,
> it
> > stays there until I manually remove it again. This makes it a bit
> difficult
> > to test different scenarios, and I'm not able to tell if the site would
> set
> > the proper values in a real-world situation.
>
> Plugins/Cookies and Super Cache can work together with a little extra
> planning.
>
> 1. "Full on" super-cached pages -- that is, those served from the
> wp-content/cache/sitename/path/index.html -- cannot set, remove or
> change cookies directly because the pages are served directly by
> Apache and never loaded from WordPress at all.  Alternatives: (1) The
> Header directive in Apache or (2) set/remove the cookie in Javascript.
>
> 2. "Half on" cached pages can set, remove or change cookies directly
> but you have to edit wp-cache-phase1.php -- before line 110 -- because
> the pages are served directly by wp-super-cache without running
> plugins at all.  See the ff. code.  Alternatives: (1) Load before
> Super Cache does or (2) set/remove the cookie in Javascript.
>
> header( 'WP-Super-Cache: WP-Cache' );
> // <-- add your Cookie-setting PHP here. Go nuts.
> if ( $meta[ 'dynamic' ] ) {
>        include($cache_file);
> } else {
>        readfile( $cache_file );
> }
> die();
>
> Does this make sense? You may need to state your problem more
> succinctly because I don't understand.
>
> W
>
>
>
> 2009/11/1 Gerrit Wessendorf <celeph at gmail.com>:
> > Hi,
> > I hope this isn't too offtopic, but I was hoping someone might be able to
> > give me a hint or idea. :)
> >
> > The situation:
> > I wrote a simple plugin for wordpress that reads the http-referrer and
> sets
> > a cookie with info about searchengine or email referrals. This cookie is
> > available in the entire session until the user closes the browser. The
> value
> > can be used with a function in template files, or shortcodes in
> pages/posts.
> > With Firefox plugin refspoof I simulate different referrers.
> >
> > This all works great both as wp-plugin and outside of wordpress as
> included
> > object.
> >
> > I installed wp-supercache, added my cookiename to supercache's rewrite
> rules
> > in .htaccess,
> >
> > [...]
> > RewriteCond %{REQUEST_URI} !^.*[^/]$
> > RewriteCond %{REQUEST_URI} !^.*//.*$
> > RewriteCond %{REQUEST_METHOD} !POST
> > RewriteCond %{QUERY_STRING} !.*=.*
> > RewriteCond %{HTTP:Cookie}
> > !^.*(comment_author_|wordpress_logged_in|wp-postpass_|MYCOOKIENAME).*$
> > [...]
> >
> > and I used the following for my test markup:
> >
> > <!-- mfunc AgoraCapture::html() -->
> > <?php AgoraCapture::html(); ?>
> > <!-- /mfunc-->
> >
> > The function html() returns some html markup with to display the value(s)
> > and a link to remove the cookie.
> >
> > I also defined some shortcodes which work great without supercache and
> still
> > need to be tested with supercache, once I get the html() test working.
> >
> > The problem:
> > My test function doesn't seem to be able to update or delete the cookie
> once
> > wp-supercache is activated. If I visit the site by typing in the url
> > directly, my code will set a value indicating it's a direct visit. If I
> then
> > choose to remove and spoof a new referrer the directvisit-value stays and
> > remains unchanged. If I manually delete the cookie from the browser's
> cookie
> > list I'm able to simulate another referrer, but once the cookie is set,
> it
> > stays there until I manually remove it again. This makes it a bit
> difficult
> > to test different scenarios, and I'm not able to tell if the site would
> set
> > the proper values in a real-world situation.
> >
> > I have the feeling it might just be a minor detail I have overlooked, and
> I
> > can't imagine I'm the first to handle cookies in a wp-supercache
> > environment. Have you ever developed a plugin or wordpress extension that
> > handles cookies and had to work with wp-supercache?
> >
> > Any hint is really appreciated.
> > Many thanks in advance,
> > Gerrit
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> >
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