Azure AD authentication without app registration
I want to access Azure Directories and Subscriptions using my web app hosted on my server but i do not want to register my app in active directory because i do not have permissions to register my app in active directory I want to authenticate users from out of my active directory too. for example following sites let you authenticate any Azure AD user. https://resources.azure.com/ https://azureiotsuite.com Please help me to where to start. i have tried Azure AD authentication but it asks you to register your app in Azure AD Apps. One option is to register your app at https://apps.dev.microsoft