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I am working on a site that uses Facebook Connect for user login/creation. I have a development server which is used for QA, and I'd like it to be password protected. We wanted to use HTTP basic authentication, but that seems to break Facebook Connect (it falls in a loop). Does anybody know why that may be happening?
I believe that basic authentication is done on a browser basis, and all the communication between Facebook and our site is done in the browser of the user. What could be the problem?
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We can do HTTP basic authentication URL with @ in password. We have to pass the credentials appended with the URL. The username and password must be added with the format − https://username:password@URL.
HTTP basic authentication is a simple challenge and response mechanism with which a server can request authentication information (a user ID and password) from a client. The client passes the authentication information to the server in an Authorization header. The authentication information is in base-64 encoding.
Facebook Connect uses iFrame inside iFrame hack to overcome cross domain boundaries limitation (see http://wiki.developers.facebook.com/index.php/Cross_Domain_Communication for details). My guess is that when Facebook redirects to the callback page (xd_receiver.htm) it fails because later requires basic authentication.
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