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impress/app/controllers/application_controller.rb

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Ruby
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class ApplicationController < ActionController::Base
protect_from_forgery
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helper_method :can_use_image_mode?, :user_is?
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def authenticate_user! # too lazy to change references to login_path
redirect_to(login_path) unless user_signed_in?
end
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def can_use_image_mode?
user_signed_in? && current_user.image_mode_tester?
end
class AccessDenied < StandardError;end
rescue_from AccessDenied, :with => :on_access_denied
def on_access_denied
render :file => 'public/403.html', :layout => false, :status => :forbidden
end
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def redirect_back!(default=:back)
redirect_to(params[:return_to] || default)
end
def user_is?(user)
user_signed_in? && user == current_user
end
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end
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