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Let's say I have an AP / Assets / Image / Primetime / Maritrified Maze 1 I have an image on JPG if I directly image via Url 

  http: // localhost: 5555 / assets / personal / myrestrictedimage1.jpg   
 I I am able to see the image.  
 I have a way to inspect any http request to determine whether the user has permission to access it or not.  
 I know that I can use before_filter in controllers to perform some rehearsal. Before continuing on any of the controller functions, but I do not think it will help me because I am trying to take a controlling action for this.  
 I have heard that I may be able to do this with a rake work, but after a lot of searching I did not get anything that I am trying to do. Maybe I have to make a ruby ​​gem to do this but I have no clue how to do this.  
 Can anyone tell me in the right direction? Thank you.   
 
 
 I used rack middleware  
 The middleware class looks like this:  / P> 
  class MyChecker def initialize (app) @app = App and def call (env) if (doccheck) #do stuff here check the path here # For example @ path = and ['pat_xfo'] '] And compare it to your right path # If you are good and then like @eP call (env) and #Estated like [301, {"location" => / Somewhere, "content type" = & gt; "Text / html"}, []] end-end   
 Be sure to show your middleware by adding the following for the application.  
  class applications & lt; Rails :: App ... config.autoload_paths + =% W (# {config.root} / lib) #if, MyChecker is located somewhere in lib where you have config.middleware.use your middleware class "MyChecker" end < / Code>

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