Module: SimplyAuthorized::Authorization::Controller::InstanceMethods

Defined in:
lib/simply_authorized/authorization.rb

Instance Method Summary collapse

Instance Method Details

#auth_redirections(permission_name) ⇒ Object 



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# File 'lib/simply_authorized/authorization.rb', line 12

def auth_redirections(permission_name)
  if respond_to?(:redirections) && 
    redirections.is_a?(Hash) &&
    !redirections[permission_name].blank?
    redirections[permission_name]
  else
    HashWithIndifferentAccess.new
  end
end

#method_missing_with_authorization(symb, *args, &block) ⇒ Object 



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# File 'lib/simply_authorized/authorization.rb', line 22

def method_missing_with_authorization(symb,*args, &block)
  method_name = symb.to_s

  if method_name =~ /^may_(not_)?(.+)_required$/
    full_permission_name = "#{$1}#{$2}"
    negate = !!$1   #  double bang converts to boolean
    permission_name = $2
    verb,target = permission_name.split(/_/,2)

    # using target words where singular == plural won't work here
    if !target.blank? && target == target.singularize
      unless permission = current_user.try(
          "may_#{permission_name}?", 
          instance_variable_get("@#{target}") 
        )
        message = "You don't have permission to " <<
          "#{verb} this #{target}."
      end
    else
      #  current_user may be nil so must use try and NOT send
      unless permission = current_user.try("may_#{permission_name}?")
        message = "You don't have permission to " <<
          "#{permission_name.gsub(/_/,' ')}."
      end
    end

    # exclusive or
    unless negate ^ permission
      #  if message is nil, negate will be true
      message ||= "Access denied.  May #{(negate)?'not ':''}" <<
        "#{permission_name.gsub(/_/,' ')}."
      ar = auth_redirections(full_permission_name)
      access_denied(
        (ar[:message]||message),
        (ar[:redirect_to]||root_path||"/")
      )
    end
  else
    method_missing_without_authorization(symb, *args, &block)
  end
end