Getting a Session (Desktop Only)
Problem
I have my auth_token
and created my session, but now I need to retrieve it again after
switching from HTTP to HTTPS.
Solution
If you established a session over HTTP but need to switch to
HTTPS, you can retrieve a session key again by calling Auth.getSession() and passing in the
auth_token you got when you called
Auth.createToken().
Discussion
This isn’t required by web apps, as there’s currently no way for a user to interact with your app over an HTTPS connection to http://apps.facebook.com (it will either bounce them back to HTTP automatically or give an error about using a security certificate for the wrong domain).
You can also pass a generate_session_secret boolean into
Auth.getSession() if you’d like
it to generate and return a temporary secret key associated with the
session. You can use that secret instead of your app’s API secret key
for the duration of this session.
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