[Facebooker-talk] Facebooker::Session::IncorrectSignature exception when adding application

[Mike Mangino]

This method makes sure requests are actually coming from Facebook.

Without it, anybody could send requests to your application pretending  
to be from any user.

Mike

On Jul 31, 2008, at 11:27 PM, William Thomas wrote:

> I am still having troubles with this exception. I ended up  
> commenting out the piece of code that throws the exception and  
> things work just fine after that...
>
> I have
> before_filter :ensure_authenticated_to_facebook, :only =>  
> [ :edit_facebook, :sync_facebook_friends]
>
> ...before rails even gets to my edit_facebook action the exception  
> is thrown.
>
> What is the intention of the verify_signature method? It does not  
> make sense to me outright
>
> ----- Original Message ----
> From: Xue Wei li <xu3w31l1 at gmail.com>
> To: facebooker-talk at rubyforge.org
> Sent: Thursday, July 24, 2008 1:11:16 PM
> Subject: Re: [Facebooker-talk]  
> Facebooker::Session::IncorrectSignature exception when adding  
> application
>
> Thanks Richard - this is a great help =)
>
> On Wed, Jul 23, 2008 at 9:10 AM, Richard Jordan <jordanr at cs.washington.edu 
> > wrote:
> it was the 1st thing I read... but in my case I need to see the whole
> picture (a zipped sample app that would help) - snippets only go so  
> far
>
> I put my first app on RubyForge.  It's pretty bloated, a stupid  
> idea, and very poorly done, but it works (or at least did at one  
> point).  If you're desperate do a,
>        svn checkout svn://rubyforge.org/var/svn/couple-rater
> Look at trunk/app/controller/application.rb.  I put all the install/ 
> uninstall code in my base controller.
>
>
>
>
>
> On Tue, 22 Jul 2008, William Thomas wrote:
>
>  I'm using :ensure_authenticated_to_facebook since I don't have an
> application but only want access to the data.
>
>
>
> ----- Original Message ----
> From: Xue Wei li <xu3w31l1 at gmail.com>
> To: facebooker-talk at rubyforge.org
> Sent: Monday, July 21, 2008 10:05:17 PM
> Subject: Re: [Facebooker-talk] Facebooker::Session::IncorrectSignature
> exception when adding application
>
>
> I was thinking that and I could be wrong but you know I looked at  
> example
> after example and I haven't seen anyone do an :exclude for the
> ensure_facebook_application_is_installed with exception for a  
> 'remove_app'
> method. Am I wrong? What if I wanted to access show facebook data on  
> the
> first page?
>
> from    Dav Yaginuma <dav.yaginuma at gmail.com>
> to      Xue Wei li <xu3w31l1 at gmail.com>
> date    Mon, Jul 21, 2008 at 11:21 AM
> subject Re: [Facebooker-talk] Facebooker::Session::IncorrectSignature
> exception when adding application
> mailed-by gmail.com
>
> hide details 11:21 AM (8 hours ago)                     Reply
>
>
>
> I think I saw this, and the problem was the post-add URL defined in  
> the FB
> app page needs to go to a controller action that skips the
> ensure_facebook_application_is_installed filter.
>
>
>
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>
>
>
>
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--
Mike Mangino
http://www.elevatedrails.com