Magento Certified Developer GuideCategory: 6. AdminhtmlAt which moment does Magento check if a user is logged in or not?
Manish Prakash Staff asked 5 years ago

Ever admin controller extends Mage_Adminhtml_Controller_Action. In the “preDispatch()” function, an event gets fired “controller_action_predispatch”. This event calls the function “actionPreDispatchAdmin()” in class “Mage_Admin_Model_Observer”. This is where the login check happens.