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-rw-r--r--app/controllers/controller_extension/authentication.rb75
1 files changed, 75 insertions, 0 deletions
diff --git a/app/controllers/controller_extension/authentication.rb b/app/controllers/controller_extension/authentication.rb
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+++ b/app/controllers/controller_extension/authentication.rb
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+module ControllerExtension::Authentication
+ extend ActiveSupport::Concern
+
+ private
+
+ included do
+ helper_method :current_user, :logged_in?, :admin?
+ end
+
+ def current_user
+ @current_user ||= token_authenticate || warden.user
+ end
+
+ def logged_in?
+ !!current_user
+ end
+
+ def require_login
+ access_denied unless logged_in?
+ end
+
+ # some actions only make sense if you are not logged in yet.
+ # (login, signup). If a user tries to perform these they will
+ # be redirected to their dashboard.
+ def redirect_if_logged_in
+ redirect_to home_url if logged_in?
+ end
+
+ def access_denied
+ respond_to do |format|
+ format.html do
+ if logged_in?
+ redirect_to home_url, :alert => t(:not_authorized)
+ else
+ redirect_to login_url, :alert => t(:not_authorized_login)
+ end
+ end
+ format.json do
+ render :json => {'error' => t(:not_authorized)}, status: :unprocessable_entity
+ end
+ end
+ end
+
+ def admin?
+ current_user && current_user.is_admin?
+ end
+
+ def require_admin
+ access_denied unless 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
+ message = strategy.message
+ # in case we get back the default message to fail!
+ message.respond_to?(:inject) ? message : { base: message }
+ else
+ { login: :all_strategies_failed }
+ end
+ end
+
+ def attempted_login?
+ request.env['warden.options'] &&
+ request.env['warden.options'][:attempted_path]
+ end
+end