How to handle Invalid Authenticity Token json request from application controller in rails





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1















When user tries to fill form using script or automation, application controller raises error of the




"ActionController::InvalidAuthenticityToken"




This happens for valid genuine users when they fill a form, close their browser, reopens the page from their browser history and submit form.



In this case I don't want to send an exception using exception notifier, and I also want to show the modal with the refreshed request message.



So I have modified application_controller as



class ApplicationController < ActionController::Base

protect_from_forgery with: :exception

rescue_from ActionController::InvalidAuthenticityToken, with: :handle_csrf_error

def handle_csrf_error(exception)
respond_to do |format|
format.js {
render 'invalid_requests/error'
}
format.html {
render text: I18n.t('errors.messages.csrf_error')
}
end
ExceptionNotifier.notify_exception(exception)
end

end


I want to make this works for all types of requests.



I have added responses for the html & js requests



But not getting how to handle the json request.



P.S > json request is sent from web application for load more case & sometimes exception raises, so want I to handle this.



My Rails version is 4.2










share|improve this question

























  • Note that CSRF protection is only useable for "classic apps" where Rails serves the views (since the client needs to get a token from a form) and the client accepts cookies. For an API that serves JSON you'll want to disable the Rails CSRF protection. stackoverflow.com/questions/35181340/…

    – max
    Nov 16 '18 at 13:21




















1















When user tries to fill form using script or automation, application controller raises error of the




"ActionController::InvalidAuthenticityToken"




This happens for valid genuine users when they fill a form, close their browser, reopens the page from their browser history and submit form.



In this case I don't want to send an exception using exception notifier, and I also want to show the modal with the refreshed request message.



So I have modified application_controller as



class ApplicationController < ActionController::Base

protect_from_forgery with: :exception

rescue_from ActionController::InvalidAuthenticityToken, with: :handle_csrf_error

def handle_csrf_error(exception)
respond_to do |format|
format.js {
render 'invalid_requests/error'
}
format.html {
render text: I18n.t('errors.messages.csrf_error')
}
end
ExceptionNotifier.notify_exception(exception)
end

end


I want to make this works for all types of requests.



I have added responses for the html & js requests



But not getting how to handle the json request.



P.S > json request is sent from web application for load more case & sometimes exception raises, so want I to handle this.



My Rails version is 4.2










share|improve this question

























  • Note that CSRF protection is only useable for "classic apps" where Rails serves the views (since the client needs to get a token from a form) and the client accepts cookies. For an API that serves JSON you'll want to disable the Rails CSRF protection. stackoverflow.com/questions/35181340/…

    – max
    Nov 16 '18 at 13:21
















1












1








1








When user tries to fill form using script or automation, application controller raises error of the




"ActionController::InvalidAuthenticityToken"




This happens for valid genuine users when they fill a form, close their browser, reopens the page from their browser history and submit form.



In this case I don't want to send an exception using exception notifier, and I also want to show the modal with the refreshed request message.



So I have modified application_controller as



class ApplicationController < ActionController::Base

protect_from_forgery with: :exception

rescue_from ActionController::InvalidAuthenticityToken, with: :handle_csrf_error

def handle_csrf_error(exception)
respond_to do |format|
format.js {
render 'invalid_requests/error'
}
format.html {
render text: I18n.t('errors.messages.csrf_error')
}
end
ExceptionNotifier.notify_exception(exception)
end

end


I want to make this works for all types of requests.



I have added responses for the html & js requests



But not getting how to handle the json request.



P.S > json request is sent from web application for load more case & sometimes exception raises, so want I to handle this.



My Rails version is 4.2










share|improve this question
















When user tries to fill form using script or automation, application controller raises error of the




"ActionController::InvalidAuthenticityToken"




This happens for valid genuine users when they fill a form, close their browser, reopens the page from their browser history and submit form.



In this case I don't want to send an exception using exception notifier, and I also want to show the modal with the refreshed request message.



So I have modified application_controller as



class ApplicationController < ActionController::Base

protect_from_forgery with: :exception

rescue_from ActionController::InvalidAuthenticityToken, with: :handle_csrf_error

def handle_csrf_error(exception)
respond_to do |format|
format.js {
render 'invalid_requests/error'
}
format.html {
render text: I18n.t('errors.messages.csrf_error')
}
end
ExceptionNotifier.notify_exception(exception)
end

end


I want to make this works for all types of requests.



I have added responses for the html & js requests



But not getting how to handle the json request.



P.S > json request is sent from web application for load more case & sometimes exception raises, so want I to handle this.



My Rails version is 4.2







ruby-on-rails json ajax authenticity-token






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 16 '18 at 13:04









NM Pennypacker

4,717112531




4,717112531










asked Nov 16 '18 at 11:55









Akash KAkash K

105211




105211













  • Note that CSRF protection is only useable for "classic apps" where Rails serves the views (since the client needs to get a token from a form) and the client accepts cookies. For an API that serves JSON you'll want to disable the Rails CSRF protection. stackoverflow.com/questions/35181340/…

    – max
    Nov 16 '18 at 13:21





















  • Note that CSRF protection is only useable for "classic apps" where Rails serves the views (since the client needs to get a token from a form) and the client accepts cookies. For an API that serves JSON you'll want to disable the Rails CSRF protection. stackoverflow.com/questions/35181340/…

    – max
    Nov 16 '18 at 13:21



















Note that CSRF protection is only useable for "classic apps" where Rails serves the views (since the client needs to get a token from a form) and the client accepts cookies. For an API that serves JSON you'll want to disable the Rails CSRF protection. stackoverflow.com/questions/35181340/…

– max
Nov 16 '18 at 13:21







Note that CSRF protection is only useable for "classic apps" where Rails serves the views (since the client needs to get a token from a form) and the client accepts cookies. For an API that serves JSON you'll want to disable the Rails CSRF protection. stackoverflow.com/questions/35181340/…

– max
Nov 16 '18 at 13:21














2 Answers
2






active

oldest

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0














After you make sure your request is correctly making a json request and not a js one (check your Content-Type header). Add a format.json to your server response.



respond_to do |format|
format.json { render json: true }
end





share|improve this answer

































    0














    Turn off the check for the authenticity token in your controller.



    skip_before_action :verify_authenticity_token


    See http://stackoverflow.com/questions/1177863/ddg#1177883






    share|improve this answer
























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      2 Answers
      2






      active

      oldest

      votes








      2 Answers
      2






      active

      oldest

      votes









      active

      oldest

      votes






      active

      oldest

      votes









      0














      After you make sure your request is correctly making a json request and not a js one (check your Content-Type header). Add a format.json to your server response.



      respond_to do |format|
      format.json { render json: true }
      end





      share|improve this answer






























        0














        After you make sure your request is correctly making a json request and not a js one (check your Content-Type header). Add a format.json to your server response.



        respond_to do |format|
        format.json { render json: true }
        end





        share|improve this answer




























          0












          0








          0







          After you make sure your request is correctly making a json request and not a js one (check your Content-Type header). Add a format.json to your server response.



          respond_to do |format|
          format.json { render json: true }
          end





          share|improve this answer















          After you make sure your request is correctly making a json request and not a js one (check your Content-Type header). Add a format.json to your server response.



          respond_to do |format|
          format.json { render json: true }
          end






          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited Nov 18 '18 at 22:47

























          answered Nov 18 '18 at 22:14









          DavidDavid

          12




          12

























              0














              Turn off the check for the authenticity token in your controller.



              skip_before_action :verify_authenticity_token


              See http://stackoverflow.com/questions/1177863/ddg#1177883






              share|improve this answer




























                0














                Turn off the check for the authenticity token in your controller.



                skip_before_action :verify_authenticity_token


                See http://stackoverflow.com/questions/1177863/ddg#1177883






                share|improve this answer


























                  0












                  0








                  0







                  Turn off the check for the authenticity token in your controller.



                  skip_before_action :verify_authenticity_token


                  See http://stackoverflow.com/questions/1177863/ddg#1177883






                  share|improve this answer













                  Turn off the check for the authenticity token in your controller.



                  skip_before_action :verify_authenticity_token


                  See http://stackoverflow.com/questions/1177863/ddg#1177883







                  share|improve this answer












                  share|improve this answer



                  share|improve this answer










                  answered Nov 18 '18 at 23:18









                  ChloeChloe

                  11.1k1982198




                  11.1k1982198






























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