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I am able to access a user picture in a web browser without providing an access token, using the url:
http://graph.facebook.com/ID/picture
I know it performs a redirection, but it works.
However, when trying to access the same url in an iOS HttpRequest, I get an “invalid_token” response.
Is it possible to get a picture from an ID, in iOS without a token? If so, how do I achieve this? If not, how is it possible using the web browser?
Thanks!
In case anyone else is stuck with this, apparently under some conditions you get an “invalid token” response from the facebook (graph api) if you use a POST and not a GET http request method. Switching to GET solved the problem for me.