def finish_auth(request):
"""
Step 2 of the oauth authentication: use the REQUEST_TOKEN to get an ACCESS_TOKEN
"""
params = request.GET
try:
request.session["REQUEST_TOKEN"] = OAuthToken(params['oauth_token'], params['oauth_token_secret'])
request.session["REQUEST_TOKEN"].set_verifier(params['oauth_verifier'])
except MultiValueDictKeyError as e:
# we just want to generate a 500 anyway;
# nothing we could do here except give a slightly more meaningful error
raise e
logging.debug("Getting access token.")
client = TestOAuthClient(KHAN_SERVER_URL, settings.KHAN_API_CONSUMER_KEY, settings.KHAN_API_CONSUMER_SECRET)
request.session["ACCESS_TOKEN"] = client.fetch_access_token(request.session["REQUEST_TOKEN"])
if not request.session["ACCESS_TOKEN"]:
raise Exception("Did not get access token.")
return request.session["ACCESS_TOKEN"]
