Review Request 124050: [Ark] Check if file exists before attempting to preview it

[Ragnar Thomsen]

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Review request for KDE Utils and Raphael Kubo da Costa.


Repository: ark


Description
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Attempting to preview a file that doesn't exist in the temporary directory crashes Ark. Ideally, this should not happen because only files that exist in an archive should be presented in the QTreeView. However, for the clizip plugin at least, files with filenames containing special characters cause this plugin to not find the file and hence not extract it, and Ark crashes attempting to view it.

This patch adds a simple check to see if the file exists in the temporary directory before attempting to view it. If the file doesn't exist (e.g. could not be extracted by clizip), a KMessageBox::error() is displayed. Also an error is printed in console output.


Diffs
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  part/arkviewer.cpp 2276c5e 

Diff: https://git.reviewboard.kde.org/r/124050/diff/


Testing
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Tested with the Zip archive provided in https://bugs.kde.org/show_bug.cgi?id=345519.


Thanks,

Ragnar Thomsen

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