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module ControllerExtension::Authentication
extend ActiveSupport::Concern
private
included do
helper_method :current_user, :logged_in?, :admin?
end
def authentication_errors
return unless attempted_login?
errors = get_warden_errors
errors.inject({}) do |translated,err|
translated[err.first] = I18n.t(err.last)
translated
end
end
def get_warden_errors
if strategy = warden.winning_strategy
strategy.message
else
{ login: :all_strategies_failed }
end
end
def attempted_login?
request.env['warden.options'] &&
request.env['warden.options'][:attempted_path]
end
def logged_in?
!!current_user
end
def authorize
access_denied unless logged_in?
end
def access_denied
# TODO: should we redirect to the root_url in either case, and have the root_url include the login screen (and also ability to create unauthenticated tickets) when no user is logged in?
redirect_to login_url, :alert => "Not authorized" if !logged_in?
redirect_to root_url, :alert => "Not authorized" if logged_in?
end
def admin?
current_user && current_user.is_admin?
end
def authorize_admin
access_denied unless admin?
end
end
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