[TYPO3-mvc] Ajax request from backend and TYPO3_MODE

[Jan Kornblum]

> i call a extbase controller action from both a backend module as well as from 
> a frontend plugin. Inside the controller action i have to switch dependant on 
> the TYPO3_MODE. But the TYPO3_MODE always seems to be "FE", even when the 
> request was started from the backend. Perhaps because the request is done as 
> ajax?
>
> So how should i detect the proper TYPO3_MODE in this case?

I think this is impossible because typo3 doesn't know where the request 
comes from. It seems so be better to separately handle the backend 
request by ajax.php and the frontend request by an eID.

Regards, Jan