--- /dev/null
+from json import dumps
+try:
+ from urlparse import parse_qsl
+except ImportError:
+ from urllib.parse import parse_qsl
+
+from oauthlib.common import to_unicode
+
+
+def facebook_compliance_fix(session):
+
+ def _compliance_fix(r):
+ # if Facebook claims to be sending us json, let's trust them.
+ if 'application/json' in r.headers.get('content-type', {}):
+ return r
+
+ # Facebook returns a content-type of text/plain when sending their
+ # x-www-form-urlencoded responses, along with a 200. If not, let's
+ # assume we're getting JSON and bail on the fix.
+ if 'text/plain' in r.headers.get('content-type', {}) and r.status_code == 200:
+ token = dict(parse_qsl(r.text, keep_blank_values=True))
+ else:
+ return r
+
+ expires = token.get('expires')
+ if expires is not None:
+ token['expires_in'] = expires
+ token['token_type'] = 'Bearer'
+ r._content = to_unicode(dumps(token)).encode('UTF-8')
+ return r
+
+ session.register_compliance_hook('access_token_response', _compliance_fix)
+ return session