Hi,
It's a bit complex as it goes against "security best practices" but if
you look at (for example) when you log into your Google account at
google.com then click the gmail link located at
gmail.com it will
proxy through the account sign in at
google.com and log you in that
way. Now they are not going to explain how they are doing this, but it
may provide some insight on how it could be done. I am guessing it
probably entails dynamically writing script tags with authentication
and request tokens in there and using that as part of the post
authentication over using a cookie or session, or in combination with.
(JSONP XSS things) I am sure if you search their RESTful APIs and
developer center and videos etc, they do explain some of these
concepts in web services.
Another alternative (possibly) from building your own backend system
for it may be to try the oAuth or Open ID as a single sign in API and
set your sites up to use that instead. I believe both those have some
sort of mechanism for what your looking to do.
http://oauth.net/
http://openid.net/
Hope that helps,
Cheers!
Vision Jinx
> I have these two websiteshttp://www.EveryDayFiction.comandhttp://
www.everydaypoets.com
> Both accept user submitted content and publish a new story each day.
>
> I have installed Simple Machine Forum (SMF) on my main sitehttp://www.EveryDayFiction.comand I use the forums system as the
> login system for the website. (the authors have to login before they
> are allowed to submit a story)
>
> Last month we expanded withhttp://
www.EveryDayPoets.com