[TYPO3-core] RFC #9511: Bug: getHtmlTemplate should use resolveBackPath

[Dan Osipov]

+1 from reading and testing.
The patch does not impact existing extensions if everything is working 
properly, but fixes the rare cases where it didn't work properly before.

Dan Osipov
Calkins Media
http://danosipov.com/blog/

Steffen Gebert wrote:
> Hi!
> 
> This is SVN patch request.
> 
> Type: bug
> 
> Branches: trunk, 4.2
> 
> BT reference: http://bugs.typo3.org/view.php?id=9511
> 
> Problem: 
> getHtmlTemplate() in typo3/template.php calls getURL in the following way:
> t3lib_div::getURL($this->backPath . $filename)
> 
> For tt_news $this->backPath . $filename = "../../../../typo3/../typo3conf/ext/tt_news/mod1/mod_ttneypo3conf/ext/tt_news/mod1/mod_ttnews_admin.html" 
> which can't be opened on some linux servers because of typo3/../
> 
> Solution:
> resolveBackPath() removes "typo3/../" which works.
> 
> Regards
> Steffen
>