#!/usr/bin/env python
# -*- coding: utf-8 -*-
""" User Authentication """
from __future__ import print_function
import grpc
import os
import datetime
import hmac
import hashlib
# Config for GiGA Genie gRPC
CLIENT_ID = ''
CLIENT_KEY = ''
CLIENT_SECRET = ''
### COMMON : Client Credentials ###
def getMetadata():
timestamp = datetime.datetime.now().strftime("%Y%m%d%H%M%S%f")[:-3]
message = CLIENT_ID + ':' + timestamp
signature = hmac.new(CLIENT_SECRET.encode(), message.encode(), hashlib.sha256).hexdigest()
metadata = [('x-auth-clientkey', CLIENT_KEY),
('x-auth-timestamp', timestamp),
('x-auth-signature', signature)]
return metadata
def credentials(context, callback):
callback(getMetadata(), None)
def getCredentials():
sslCred = grpc.ssl_channel_credentials()
authCred = grpc.metadata_call_credentials(credentials)
return grpc.composite_channel_credentials(sslCred, authCred)
### END OF COMMON ###
