[Opensim-dev] RFC: Ways of creating profiles for creators who will never log in

[Melvin Carvalho]

On Mon, Mar 30, 2009 at 4:49 PM, Stefan Andersson <stefan at tribalmedia.se> wrote:
> Actually, we need both. It's perfectly valid to index and address users by
> guid in the known internal scope - but conversely, invalid to refer by guid
> in a cross-scope case. Also, the guid contains no 'resource location' data,
> which urls are meant to provide.
>
> So, A local user would have a guid ID at any rate.
>
> The hashing algorithm seems fair enough to me, IE, hash the url with a
> scope-wide secret salt, and use that only for internal indexing, ie, fetch
> the user profile from the url, but assign it the salted hash guid as ID
> internally. Keep in in-memory on-demand and never write it to db. Of course,
> this means you'll have to make sure all references to it is by url, not id.
>
> Incidentally, I'm thinking we could do the same for assets - let regions
> substitute urls embedded in assets with hashed salted guids, allowing us to
> reference web resources (jpegs/pngs) in other assets - and if needed for a
> particular protocol, autoconvert them to, say, j2000. The general idea is to
> treat what is now the grid scope as the region scope, essentially converting
> the region to a cache/conversion mechanism for the wider web.
>
> And yes, I'm not saying there will not be problems. There will be tons of
> them. But again, think of the possibilities. One could start by solving one
> case, then the next, and so on. :-D

If mark up the URL's using machine readable XML you can describe all
profiles/assets you want, and also have a futher link to the licencing
terms.

>
> Best regards,
> Stefan Andersson
> Tribal Media AB
>
>
>
>
>> Date: Mon, 30 Mar 2009 08:08:30 -0400
>> From: sdague at gmail.com
>> To: opensim-dev at lists.berlios.de
>> Subject: Re: [Opensim-dev] RFC: Ways of creating profiles for creators who
>> will never log in
>>
>> Melanie wrote:
>> > I am absolutely sure that I would not went HG to ever, EVER, insert
>> > user records or profile records into my database. I strongly favor
>> > the "URL" approach, which is neutral as far as my database goes.
>>
>> Ok, so then hash those urls for UUIDs to present to the viewer? We
>> still need a UUID in the object definitions for the viewer so that
>> people can see the creator.
>>
>> -Sean
>>
>> --
>> Sean Dague / Neas Bade
>> sdague at gmail.com
>> http://dague.net
>>
>>
>
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