@deitcher: yeah. That's where I'm headed now.  I really messed myself up
looking for something complicated when all I needed was to send a file.
BTW...Dylan is always a good example.  :)
On Feb 18, 2012 10:04 AM, "deitch" <[email protected]> wrote:

> Yeah, I would do that. However, I would not store the files that way,
> because what if one file (dylan.mp3) is accessible to three users? So
> I would do
>
> Files: /some/private/dir/music/files/dylan.mp3 (or some other naming
> convention)
> Path: /downloads/:user/:musicfile
>
> You *cannot* get to /some/private/dir/music/files/ directly by URL,
> only to /downloads/:user/:musicfile, which first checks that the user
> is authenticated to /downloads/:user, then checks if :musicfile is
> allowed for user, and if it is, then fetches the file from its true
> path.
>
> On Feb 18, 3:57 am, Edward Smith <[email protected]> wrote:
> > I would put them in a directory not accessible by clients, and have node
> > route urls with specific hashes, for each file for each user.  The route
> > could be something like /$user/download/$hash (anything with a $ in front
> > of it will vary based off of user).  The combination of $user and $hash
> > should be stored in a database so you can find out if it is valid and
> what
> > file it should be.  Then send the file.
> >
> > I have never implemented something like this, but this is how I would
> > probably do it.
> >
> >
> >
> >
> >
> >
> >
> > On Fri, Feb 17, 2012 at 5:45 PM, C. Mundi <[email protected]> wrote:
> > > This is obviously a solved problem.  I don't want to reinvent the
> wheel.
> >
> > > Imagine a digital music store.  I have a set of static files which I
> need
> > > to serve only to authenticated users.  So the set of accessible files
> > > depends on the user.  How do I let each user get the files she is
> entitled
> > > to and no other files?
> >
> > > Bad Idea 1: security by obscurity: hide the files behind query strings
> > > generated on the fly for session.user in the form of nasty looking
> hard to
> > > guess hashes.  Ugly hack and vulnerable to brute force hash collision.
> > > Yuck!
> >
> > > Bad Idea 2: set up an instance of node-static.Server() for each
> > > authenticated session, specifically serving a directory created on the
> fly
> > > for that session and containing symlinks to all (and only) files for
> which
> > > session.user has privileges.  The main server would redirect requests
> for
> > > files to the ad hoc static server.  Kludgus maximus!
> >
> > > Good Idea: what you tell me.  :)
> >
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