David Mudrák 996f7e8228 MDL-50794 workshop: Improve the file type restricting implementation ...

This is basically a clean up and what I think improved version of the
original Mahmoud's patch.

The actual checking for allowed file extensions has been re-implemented
and is now covered by unit tests. The list of allowed extensions is now
also assed to the filemanager element's accepted_types option to prevent
picking other files (we still need the in-place validation though). The
form validation is simplified a bit. The custom validation of file size
introduced in the previous patch has been removed as not related to this
issue (also I believe it should not be done at this level).

2016-02-25 18:03:18 +01:00

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MDL-50794 workshop: Improve the file type restricting implementation

2016-02-25 18:03:18 +01:00

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