[ckan-dev] Handling of text based files with unknown extensions

[Alex (Maxious) Sadleir]

File extensions that are not recognised can cause server errors, a fix
should be available soon (or try some of the patches on
https://github.com/ckan/ckan/pull/1534 )

On Fri, Jun 27, 2014 at 9:24 AM, Aaron McGlinchy
<McGlinchyA at landcareresearch.co.nz> wrote:
> Hi, I have encountered an issue whereby a user uploaded a nexus file (http://en.wikipedia.org/wiki/Nexus_file) which is in fact a text file with the extension .nex (or sometimes .nxs).  This unknown file extension caused CKAN to spit the dummy, returning an internal server error.
>
> In testing further I found that any txt file that is uploaded with an extension that CKAN does not recognise out of the box (e.g. as per http://docs.ckan.org/en/ckan-2.2/data-viewer.html#text-preview) causes this error.  In normal CKAn behaviour an unrecognised file format triggers a save dialog box if clicked on, but for these files which are underlying txt format but varying (undefined) extension they cause an error.
>
> I uploaded an example to the CKAN demo site http://demo.ckan.org/dataset/aarontests  so you can see what happens.
>
> I know that we can add extra extensions to ckan.preview.loadable to ensure the nex/nxs files get handled in future, but is there a way for as yet unknown extensions that people may use/upload with text files to be treated as per any other unknown format so as to not trigger the server error?
>
> Thanks
> Aaron
>
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