I think a decent choice would be to make the redirect URL 
"https://support.mozilla.org/redirects/buddyup-fxa-oauth";. That gives SUMO the 
ability to catch situations where the BuddyUp app doesn't work as expected (and 
probably give an error message), and also give the BuddyUp app a way to hijack 
those redirects to point to a local file, with the "redirects" manifest key.

----- Original Message -----
> From: "Chris Karlof" <[email protected]>
> To: "Michael Cooper" <[email protected]>
> Cc: "Francisco Jordano" <[email protected]>, [email protected], 
> [email protected], "Support Engineering"
> <[email protected]>, "Sean McArthur" <[email protected]>
> Sent: Friday, November 7, 2014 10:12:49 AM
> Subject: Re: Firefox Accounts, SUMO, and BuddyUp
> 
> 
> On Nov 6, 2014, at 11:48 AM, Michael Cooper <[email protected]> wrote:
> 
> > Francisco, Sean
> > 
> > Those are both really great to hear+. Especially the redirects feature
> > of the manifest file is really useful. I have several flow diagrams in a
> > notepad on my desk, all of them are scribbled out, and have big question
> > marks between the app and the server after the redirect. This simplifies
> > things a lot, thanks.
> > 
> > I still need to figure out what the redirect url for BuddyUp will be,
> > I'll let you know when I've figured that out, and then we can set up a
> > client_id, etc. Does that sound good?
> > 
> 
> We can certainly accommodate non-http redirect URLs. We already do with Loop,
> but I need to look into what Francisco references to make sure we can
> support your use case properly. Michael, what redirect URL would you like
> for the BuddyUP app?
> 
> -chris
> 
> 
> 
> 
> > -M
> > 
> > ----- Original Message -----
> >> From: "Francisco Jordano" <[email protected]>
> >> To: "Sean McArthur" <[email protected]>
> >> Cc: "Michael Cooper" <[email protected]>, [email protected],
> >> [email protected], "Support Engineering"
> >> <[email protected]>
> >> Sent: Thursday, November 6, 2014 5:00:09 AM
> >> Subject: Re: Firefox Accounts, SUMO, and BuddyUp
> >> 
> >> Hi all,
> >> 
> >> unfortunately there is no much documentation how a package app works with
> >> OAuth, but it does :)
> >> 
> >> The key is on the manifest, we have a special field call 'redirects',
> >> which
> >> will make gecko to redirect any url to a local file, an example of this:
> >> 
> >> https://github.com/arcturus/firefoxos-contacts-importer/blob/master/importer/manifest.webapp#L24-L27
> >> 
> >> "redirects": [
> >> {"from": "http://postmessageitor.eu01.aws.af.cm/";,
> >> "to": "/redirect.html"}
> >> ]
> >> 
> >> Basically the url register in the OAuth service for the callback action
> >> (redirect_uri) was 'http://postmessageitor.eu01.aws.af.cm/', gecko will
> >> redirect the request (with all headers, and parameters) to the local file
> >> '/redirect.html', and from them follow the process commented by Sean.
> >> 
> >> Cheers,
> >> F.
> >> 
> >> 
> >> ----- Original Message -----
> >> From: "Sean McArthur" <[email protected]>
> >> To: "Michael Cooper" <[email protected]>
> >> Cc: [email protected], [email protected], "Support Engineering"
> >> <[email protected]>
> >> Sent: Thursday, November 6, 2014 2:51:18 AM
> >> Subject: Re: Firefox Accounts, SUMO, and BuddyUp
> >> 
> >> I don't have much understanding on how packaged apps and app URIs work,
> >> but I
> >> know the OAuth side :)
> >> 
> >> You could try this: register a client for BuddyUp, with the redirect_uri
> >> pointing at (assuming Firefox OS supports this) `buddy-up://oauth/return`.
> >> You'll receive the query parameters `code` and `state`. You could then
> >> either, a) finish the dance by POSTing the code and client_secret straight
> >> to the OAuth server from the device, or b) POST the code to the sumo
> >> server,
> >> and allow it to fetch the token, store it in the db, and return it to the
> >> packaged app.
> >> 
> >> a) has the downside of needing the secret to be packaged into the app,
> >> which
> >> is probably a no-go.
> >> 
> >> On Wed, Nov 5, 2014 at 5:17 PM, Michael Cooper < [email protected] >
> >> wrote:
> >> 
> >> 
> >> I was reading the docs for Firefox Accounts [0]. They say that to become a
> >> relying service, we need to email to get a client ID and secret to use
> >> Firefox
> >> Account's OAuth2 provider.
> >> 
> >> BuddyUp is an app that consumes SUMO APIs to provide a platform for users
> >> to
> >> ask and answer questions. Simply put, it's a Q/A app. We hope to have it
> >> installed by default in the future, and it will be a packaged app.
> >> 
> >> I have a few questions about the OAuth process. Would it be possible to
> >> make
> >> the redirect URI a link into an app? It would be preferable if the app
> >> could
> >> get the OAuth callback directly, instead of SUMO having to some how
> >> relaunch
> >> the app.
> >> 
> >> If that isn't possible, do you have any advice for using the OAuth flow
> >> from
> >> inside an app? I suppose it would also be possible to use the native
> >> BrowserID
> >> inspired APIs, but I understand that the OAuth2 flow is the preferred way
> >> going
> >> forward.
> >> 
> >> Thanks,
> >> --Mike Cooper
> >> 
> >> [0]: https://developer.mozilla.org/en-US/Firefox_Accounts#Firefox_OS
> >> _______________________________________________
> >> Dev-fxacct mailing list
> >> [email protected]
> >> https://mail.mozilla.org/listinfo/dev-fxacct
> >> 
> >> 
> >> _______________________________________________
> >> Buddyup mailing list
> >> [email protected]
> >> https://mail.mozilla.org/listinfo/buddyup
> >> 
> > _______________________________________________
> > Dev-fxacct mailing list
> > [email protected]
> > https://mail.mozilla.org/listinfo/dev-fxacct
> 
> 
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