def access_token():
oauth_server, oauth_request = initialize_server_request(request)
if oauth_server is None:
return oauth_error_response(OAuthError('Invalid request parameters.'))
try:
# Create our access token
token = oauth_server.fetch_access_token(oauth_request)
if not token:
return oauth_error_response(OAuthError("Cannot find corresponding access token."))
# Grab the mapping of access tokens to our identity providers
oauth_map = OAuthMap.get_from_request_token(oauth_request.get_parameter("oauth_token"))
if not oauth_map:
return oauth_error_response(OAuthError("Cannot find oauth mapping for request token."))
oauth_map.access_token = token.key_
oauth_map.access_token_secret = token.secret
oauth_map.put()
# Flush the "apply phase" of the above put() to ensure that subsequent
# retrievals of this OAuthmap returns fresh data. GAE's HRD can
# otherwise take a second or two to propagate the data, and the
# client may use the access token quicker than that.
oauth_map = OAuthMap.get(oauth_map.key())
except OAuthError, e:
return oauth_error_response(e)
def post(self):
"""POST submissions are for username/password based logins to
acquire an OAuth access token.
"""
identifier = self.request_string('identifier')
password = self.request_string('password')
if not identifier or not password:
self.render_login_page("Please enter your username and password.")
return
user_data = UserData.get_from_username_or_email(identifier.strip())
if not user_data or not user_data.validate_password(password):
# TODO(benkomalo): IP-based throttling of failed logins?
self.render_login_page("Your login or password is incorrect.")
return
# Successful login - convert to an OAuth access_token
oauth_map_id = self.request_string("oauth_map_id", default="")
oauth_map = OAuthMap.get_by_id_safe(oauth_map_id)
if not oauth_map:
self.render_login_page("Unable to find OAuthMap by id.")
return
# Mint the token and persist to the oauth_map
oauth_map.khan_auth_token = AuthToken.for_user(user_data).value
oauth_map.put()
# Flush the "apply phase" of the above put() to ensure that subsequent
# retrievals of this OAuthmap returns fresh data. GAE's HRD can
# otherwise take a second or two to propagate the data, and the
# following authorize endpoint redirect below could happen quicker
# than that in some cases.
oauth_map = OAuthMap.get(oauth_map.key())
# Need to redirect back to the http authorize endpoint
return auth_util.authorize_token_redirect(oauth_map, force_http=True)
def post(self):
"""POST submissions are for username/password based logins to
acquire an OAuth access token.
"""
identifier = self.request_string('identifier')
password = self.request_string('password')
if not identifier or not password:
self.render_login_page("Please enter your username and password.")
return
user_data = UserData.get_from_username_or_email(identifier.strip())
if not user_data or not user_data.validate_password(password):
# TODO(benkomalo): IP-based throttling of failed logins?
self.render_login_page("Your login or password is incorrect.")
return
# Successful login - convert to an OAuth access_token
oauth_map_id = self.request_string("oauth_map_id", default="")
oauth_map = OAuthMap.get_by_id_safe(oauth_map_id)
if not oauth_map:
self.render_login_page("Unable to find OAuthMap by id.")
return
# Mint the token and persist to the oauth_map
oauth_map.khan_auth_token = AuthToken.for_user(user_data).value
oauth_map.put()
# Flush the "apply phase" of the above put() to ensure that subsequent
# retrievals of this OAuthmap returns fresh data. GAE's HRD can
# otherwise take a second or two to propagate the data, and the
# following authorize endpoint redirect below could happen quicker
# than that in some cases.
oauth_map = OAuthMap.get(oauth_map.key())
# Need to redirect back to the http authorize endpoint
return auth_util.authorize_token_redirect(oauth_map, force_http=True)
