urbit/sec/com/facebook.hoon
2016-04-14 16:41:44 -04:00

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:: Test url +https://graph.facebook.com/v2.5/me
::
:::: /hoon/facebook/com/sec
::
/+ oauth2
::
::::
::
|%
++ dialog-url 'https://www.facebook.com/dialog/oauth?response_type=code'
++ exchange-url 'https://graph.facebook.com/v2.3/oauth/access_token'
--
::
::::
::
|_ {bal/(bale keys:oauth2) access-token/token:oauth2}
:: ++aut is a "standard oauth2" core, which implements the
:: most common handling of oauth2 semantics. see lib/oauth2 for more details,
:: and examples at the bottom of the file.
++ aut
%+ ~(standard oauth2 bal access-token) .
|=(access-token/token:oauth2 +>(access-token access-token))
::
++ filter-request
%^ out-add-query-param:aut 'access_token'
scope=~['user_about_me' 'user_posts']
dialog-url
::
++ receive-auth-query-string (in-code-to-token:aut exchange-url)
::
++ receive-auth-response
|= a/httr ^- core-move:aut
?: (bad-response:aut p.a)
[%give a] :: [%redo ~] :: handle 4xx?
=+ `{access-token/@t expires-in/@u}`(grab-expiring-token:aut a)
?. (lth expires-in ^~((div ~d7 ~s1))) :: short-lived token
[[%redo ~] ..bak(access-token access-token)]
:- %send
%^ request-token:aut exchange-url
grant-type='fb_exchange_token'
[key='fb_exchange_token' value=access-token]~
--