def execute(self):
response = ApiGatewayResponse()
if not VerifyRequest(signing_secret=self.signing_secret).execute(
self.raw_body, self.headers):
response.auth_error()
return response
body = json.loads(self.raw_body)
type = body.get("type")
if type == "url_verification":
response_body = UrlVerification().execute(body)
response.ok(response_body)
elif type == "event_callback":
event = body["event"]
logging.info(f"Received event: {event['type']}")
if event["type"] == "user_change":
UpdateAllProfiles(
user_link_store=self.user_link_store,
user_token_store=self.user_token_store,
).execute(body)
response.ok()
elif event["type"] == "tokens_revoked":
UserUninstall(
user_link_store=self.user_link_store,
user_token_store=self.user_token_store,
).execute(body)
response.ok()
else:
logging.error("unsupported event_callback %s", event)
response.ok()
else:
logging.error("event not supported %s", body)
response.ok()
return response
def execute(self, code, state):
logging.debug(
"received authorization_grant code '%s'",
code,
)
logging.debug(
"received authorization_grant state '%s'",
state,
)
gateway_response = slack.authorisation_grant(
client_id=self.__client_id,
client_secret=self.__client_secret,
code=code,
redirect_uri=self.__redirect_uri,
)
response = ApiGatewayResponse()
if not gateway_response.success:
logging.warning("returning auth error due to gateway failure")
return response.auth_error()
if gateway_response.scope == EXPECTED_SCOPE:
body = RedirectUriPageRenderer(
install_path="", redirect_uri_path=""
).render_success_page(app_id="fakeappid", team_id=None)
user = User(
team_id=gateway_response.team,
user_id=gateway_response.user,
token=gateway_response.token,
)
self.__user_token_store.store(user)
return response.ok_html(body)
else:
logging.warning(
f"scope differs from expected scope {gateway_response.scope} != {EXPECTED_SCOPE}"
)
return response.auth_error()