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From Gregory Tappero <cou...@gmail.com>
Subject Re: File system data representation
Date Tue, 17 Aug 2010 06:41:39 GMT
That's very interesting i look foward to testing it.
How would an S3 datastructure mimic using '/' in keys will look on couchdb ?
I am no sure i get the difference with a path attribute '/my/fake/folders'.

Thanks

On Tue, Aug 17, 2010 at 2:41 AM, sgoto <samuelgoto@gmail.com> wrote:

> I am working on something related to that
>
> couchdb backend
>
> http://kumbaya.bounceme.net:9094/_utils/database.html?testdb/_design/kumbaya/_view/folders
>
> and use webdav to mount this
>
> webdav frontend for my couchdb db
> konqueror http://kumbaya.bounceme.net:9095
>
> i'll be open sourcing this soon
>
> On Sun, Aug 15, 2010 at 10:21 PM, Alan Mock <alan.mock@gmail.com> wrote:
>
> > On Aug 15, 2010, at 2:32 PM, Gregory Tappero wrote:
> >
> > > Hello couchers,
> > >
> > > I was looking in a way to build S3 like  with couchdb.
> > >
> > > - buckets and files
> > > - sharing between users
> >
>
> this is where i'm stuck at the moment. i'm not sure how couchdb handles
> authentication while replicating data (eg can a malicious couchdb node
> write
> data to my local couchdb node on behalf of a user?). have you figured how
> authentication and authorization is going to work on your system with
> untrusted couchdb nodes ?
>
>
> > > - update/move folders in buckets
> > >
> > > Using a separate doc for Each File with the pathj of the file in json
> > > seemed  like a good plan. We Can easily lits files and folders
> > > children of a given path when emiting on each /foo/ part of the path
> > > parameter.
> > > Sharing is also solved by creating sharing doc for a given path and
> > > user using pattern matching we can find out if a file is accessible to
> > > a user. /foo/bar matches /foo/ so Bob is allowed to see bar.
> > >
> > > For thé move folders action however i see.no other  solution t han
> > > performing an update of path for all docs touched by the move
> > > operation.  / foo/bar and foo/bar/a plus sharings will need to be
> > > changed if foo become 'bizz', quite inneficient.
> > >
> > > Do you see some other solutions ?
> > >
> >
> > I don't know how closely you want to mimic S3 or if you're just using it
> as
> > an example, but S3 is a key-value store which means it has no folders.
>  It
> > allows / as part of a key so that you can use it's prefix function to
> allow
> > listing of keys like they were in a folder, but that's as much folder
> > support as it provides.  If you're using S3 and it works then maybe
> copying
> > it's functionality more closely would be easier to implement.
> >
> > Alan
> >
> > >
> > > --
> > > Greg Tappero
> > > CTO co founder Edoboard
> > > http://www.edoboard.com
> > > +33 0645764425
> >
> >
>
>
> --
> f u cn rd ths u cn b a gd prgmr !
>



-- 
Greg Tappero
CTO co founder Edoboard
http://www.edoboard.com
+33 0645764425

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