TYPO3 Core

It should be possible to show OpenID provider buttons on the OpenID backend login page.

The buttons should be configurable, so that a company may put its own OpenID provider logo + URL on it and disable all others.

When clicking on the logo button, the OpenID field should get filled with the provider's OpenID URL and the form should get submitted automatically.

There should be two button types: Large and small ones. The large ones have large logos and represent the most commonly used providers. The small ones are in a line below the large ones and represent not so commonly used providers.

It should also be possible to deactivate the manual OpenID input field, so that a company could allow backend logins exclusively through their own OpenID server.

This feature is only possible when bug #25322 is fixed.