On Wednesday, August 6, 2014 3:09:48 AM UTC-7, Leonel Câmara wrote: > > requires = IS_UPLOAD_FILENAME(extension='pdf') > > That would cover the common case where the extension and the filetype agree, but to be sure that it is a valid PDF file probably requires a tool that reads PDF format and verifies that it is valid. There should be plenty of third-party tools that could be called, but that may be a lengthy process that you'd want to hand off to the scheduler. If you're going to do that, then maybe you should add a field 'validated: boolean' to your table, set it to false in your upload controller and only set it to true when the tool has passed its check You would then use that field as a filter to make the file hidden if not validated, and clean out the entries that don't get validated within 24 hours (or even 1 hour).
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