Editing the site

Hello, I need to make some changes to the site. The site works with the Facebook API and can post in Facebook groups through the application and at a certain interval of time to raise posts up the group to lift the post up you just need to comment on it. The site worked through one application from Facebook and the user could connect to this application and post and raise them up in groups. Now the Facebook on which the app was configured is blocked. You could connect a new acc again and configure the application, but it will not be long before the next ban. The meaning of this should be displayed in the admin panel of App ID and App Secret users so that each user can enter them separately from his application. Remove the uplift (comments), (bump) of posts a leave only posting in groups but increase the interval between posting. And you need to limit users no matter what, in the sense that now you can register an ACC for one post and after the expiration of the free period to re-register for another and use further, after 3 days just does not let in the admin, you still need to be limited, IP is also weakly possible you will have any offers.
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