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Facebook application without download permission

How to create an application that does not request permission when it is downloaded?

Or is it impossible? The only thing the application does is a message on the user’s wall, but can I authenticate for this after downloading the application?

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You may not know why others are so sure that this is not possible.

On the server side, you can check via facebook api if the current user has given you the required permission. If not, pass some flag to your fbml, where you can display the invitation link:

Would you like to <fb:prompt-permission perms="publish_stream">allow us</fb:prompt-permission> to post on your wall?

( - ), . facebook. fbml :

<fb:if-is-app-user> 
    <fb:else><a href="http://www.facebook.com/login.php?api_key=...&v=1.0>Would you like to authorize this app?</fb:else> 
</fb:if-is-app-user>
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Or is it impossible. The only thing the application will do is post to the users wall, but I can not authenticate them for them after they download the application?

To publish content on the walls of users, you must first have permission steam_publish.

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