             path        : required
             description : required
             cb          : required
+        if not @_validate_uuids(opts) then return
         x = {}; x[opts.path] = opts.description
         @db.table('projects').get(opts.project_id).update(public_paths:x).run(opts.cb)
 

        opts = defaults opts,
            account_ids : required
            cb          : required # (err, mapping {account_id:{first_name:?, last_name:?}})
        if opts.account_ids.length == 0 # easy special case -- don't waste time on a db query
            opts.cb(false, [])
            return

            value      : required
            ttl        : required
            cb         : required
        if not @_validate_uuids(opts) then return
        @table('remember_me').insert(id:opts.hash, value:opts.value, expires:expire_time(opts.ttl), account_id:opts.account_id).run(opts.cb)

    # Invalidate all outstanding remember me cookies for the given account by
