[TYPO3-core] RFC #11798: Remove "Login-error or session timed out" screen

[Rupert Germann]

Christopher Stelmaszyk schrieb:
> "Steffen Gebert" schrieb:
>> Hint: If you are logged in, session times out (e.g. by deleting session 
>> cookies :-P) and then click in the module menu and e.g. select page, the 
>> login screen appears in the frameset (as it's only a http redirect). But 
>> as soon as BE is loaded, it will automatically break its frameset "jail" 
>> and zoom to fullscreen.
> 
> You are right.
> But this problem only occurs, if you were logged in and if you somehow 
> manage to keep the BE there without the re-login popup coming up. I think 
> this is a very seldom case. (Is that possible at all?)

yes it is.
I fixed this in the attached patch (v3)
by adding this to the JS of the login form:

if (top.location.href != self.location.href)	{
	top.location.href = self.location.href;
}

greets
rupert