outlook-oauth-hack/refresh_token.py

#! /usr/bin/env python3
from msal import ConfidentialClientApplication, SerializableTokenCache
import config
import sys
import os
import time

print_access_token = True

if len(sys.argv) > 1:
    profile = sys.argv[1]
else:
    sys.exit("Please provide a profile name as the first argument.")


profile_config = config.get_config(profile)
# We use the cache to extract the refresh token
cache = SerializableTokenCache()
app = ConfidentialClientApplication(profile_config.ClientId, client_credential=profile_config.ClientSecret, token_cache=cache, authority=profile_config.Authority)


token_cache = config.get_cache(profile_config)
if not token_cache:
    sys.exit("Please get the initial token by running `o365-get-token` first.")

st = os.stat(profile_config.CacheFile)
if (time.time()-st.st_mtime) < token_cache["expires_in"]:
    print(token_cache["access_token"])
    sys.exit(0)


token = app.acquire_token_by_refresh_token(token_cache["refresh_token"],profile_config.Scopes)

if 'error' in token:
    print(token)
    sys.exit("Failed to get access token")


config.write_cache(profile_config, token)
if print_access_token:
    print(token['access_token'])