[Nepomuk] File indexer-related questions

[Sebastian Trüg]

On 01/07/2012 11:59 AM, Ivan Čukić wrote:
> Hi all,
> 
> We are planning to introduce activity encryption for SC4.9 and PA3 and
> it raises a couple of questions regarding our usage of nepomuk.
> 
> The idea is as follows:
> - there will be unencrypted activities, behaving like they do now
> - there will be encrypted ones (fuse+encfs)
>   - each will have a set of dedicated directories for the files in it:
>     $HOME/Activities/.uuid (enc data) and $HOME/Activities/uuid (mount point)
>     (or something similar)
>   - when a file is linked to the activity, it is moved to the encrypted folder
>   - when a file is unlinked, it returns to the original location... or
> whatever (will have to think about this).
> 
> So, these are going to be the issues with nepomuk that I'd like for us to solve:
> 
> 1. Reindexing of the files on move
> 
> I guess there is a way to tell nepomuk that something has moved and
> that it doesn't need to be reindexed? Is it enough to just change the
> nie:url before the actual move operation?
> 
> 2. File contents in nepomuk
> 
> We need the file indexer not to save the nie:plainTextContent of the
> files that are under encrypted folder. Guess it is not currently
> possible, so I'd like us to find a feasible solution for this as soon
> as possible.

Actually maybe it would be simpler to just do that in PA manually:
remove the content, then move the file. And when moving it back call
nepomukindexer on it (or queue it in the indexer via dbus to be
re-indexed forcefully).

Cheers,
Sebastian