Review Request 120666: Get user's permission before executing scripts or desktop files

[Frank Reininghaus]

> On Okt. 23, 2014, 11:14 vorm., Emmanuel Pescosta wrote:
> > src/widgets/krun.cpp, line 1013
> > <https://git.reviewboard.kde.org/r/120666/diff/2/?file=321616#file321616line1013>
> >
> >     Any reason why using show instead of exec? Exec would avoid the rather complex and error-prone code path.
> >     
> >     IMHO we should prefer a blocking dialog in this case, because it asks the user for permission.
> 
> Arjun AK wrote:
>     >IMHO we should prefer a blocking dialog in this case, because it asks the user for permission.
>     
>     faure: Are you okay with this?

Note that you have to be *extremely* careful when calling exec(), which runs a nested event loop. Anything can happen inside such a loop, including quitting the application. See https://git.reviewboard.kde.org/r/118858/ and the links in the comments there fore more information.

If you replace show() by exec() in your patch, you might get a crash in the line

m_dialogNotYetShown = false;

if the application quits inside the nested event loop.


- Frank


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On Okt. 22, 2014, 4:10 nachm., Arjun AK wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/120666/
> -----------------------------------------------------------
> 
> (Updated Okt. 22, 2014, 4:10 nachm.)
> 
> 
> Review request for KDE Frameworks.
> 
> 
> Repository: kio
> 
> 
> Description
> -------
> 
> This patch makes KIO show a dialog box asking the user what to do (either open it using a text editor or execute it) when he clicks on a script or a desktop file.
> 
> See also: https://git.reviewboard.kde.org/r/120171/
> 
> 
> Diffs
> -----
> 
>   src/widgets/CMakeLists.txt 4060cdf 
>   src/widgets/executablefileopendialog.h PRE-CREATION 
>   src/widgets/executablefileopendialog.cpp PRE-CREATION 
>   src/widgets/krun.cpp 6ac42da 
>   src/widgets/krun_p.h 69e2e98 
> 
> Diff: https://git.reviewboard.kde.org/r/120666/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Arjun AK
> 
>

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