Marek,
that looks like an interesting an especially simple approach. I will
have a look into that.
Does anyone know, if /how I could implement a solution based on
rewrite rules, eg. have a url www.foreign-domain.com in the browser
address bar but really use a subdomain
like foreign-domain.rootsite.com? If possible, could I use the symfony
routing system for this or would I have to "hard-code" it into my
htaccess file using mod-rewrite?

Andy



On Oct 25, 9:07 am, Marek <[EMAIL PROTECTED]> wrote:
> Using javascript:
>
> on the custom domains:
> if(is_login_cookie_set() == false) {
> ?>
> <script src="http://maindomain.com/checklogin.js";></script>
> <?php }
>
> and checklogin.js sets the login cookie using javascript.
>
> If javascript is off, redirect to login page with return=url
> parameter, based on this parameter display an image from the custom
> domain with session id in the url. This image will be in fact a php
> script that sets the session cookie. The user might not even need to
> login second time, as the login page might find out he's logged in and
> display the image right away.
>
> -- Marek
>
> On 24. Okt, 10:29 h., Andreas Stephan <[EMAIL PROTECTED]>
> wrote:
>
> > Hi, we are building a service, where users can create their own social
> > networks. We have implemented a single sign on mechanism for all
> > subdomains. In the future we want to let community creators to use
> > their own domain names. Does anyone have an idea how to make the
> > single sign on mechanism work cross domain?
> > It looks like passing the session ID as a GET-parameter between
> > different servers and cloning the necessary cookies respectively seems
> > to be an option, but that looks fairly complicated to implement in
> > symfony's routing system. Moreover, we have to prevent adding this
> > parameter to all normal urls in order to be google friendly and keep
> > user friendly urls at least in the area, where you do not have to be
> > logged in. Any suggestions how to achieve such behaviour with symfony?
> > Or is there an easier way to achieve the same behaviour using rewrite
> > rules?
>
> > Cheers, Andy


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