[OSM-talk] Taking OSM usernames and passwords on other sites (eg Freemap)

David Sheldon dave at earth.li
Wed Mar 28 14:16:15 BST 2007

On Wed, Mar 28, 2007 at 08:08:50AM -0500, Christopher Schmidt wrote:
> A better model to examine is probably flickr, which has an API method
> which generates a URL to send the user to. Once there, the user is
> informed of some information (The application 'foo' is asking for
> permission to 'write' to flickr on your behalf'), and then allows the
> user to allow or deny. If they allow, a token is stored on Flickr's
> servers, and you go back to the application and click the "I went to the
> website" button: once you do so, the application can go to the server
> and say "I asked earlier, did you get a positive response?" to which the
> Flickr server says "yes: any time you talk, use this key to talk to me,
> and I'll assume that the user is the same".
> Obviously, this is a non-trivial interaction. I'm not aware of any open
> source code that does this already.

I think that CAS does allow you to do something like this. 


I think they call it Proxy authentication.


"You can't say pre (pre-pub-curry) pub without brackets."
  -- dws's evidence for the need to deprecate the English language.

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