platypush/platypush/plugins/google/credentials.py

79 lines
2.6 KiB
Python

import argparse
import httplib2
import os
import sys
from oauth2client import client
from oauth2client import tools
from oauth2client.file import Storage
def get_credentials_filename(*scopes):
from platypush.config import Config
scope_name = '-'.join([scope.split('/')[-1] for scope in scopes])
credentials_dir = os.path.join(
Config.get('workdir'), 'credentials', 'google')
os.makedirs(credentials_dir, exist_ok=True)
return os.path.join(credentials_dir, scope_name + '.json')
def get_credentials(scope):
credentials_file = get_credentials_filename(*sorted(scope.split(' ')))
if not os.path.exists(credentials_file):
raise RuntimeError(('Credentials file {} not found. Generate it through:\n' +
'\tpython -m platypush.plugins.google.credentials "{}" ' +
'<path to client_secret.json>\n' +
'\t\t[--auth_host_name AUTH_HOST_NAME]\n' +
'\t\t[--noauth_local_webserver]\n' +
'\t\t[--auth_host_port [AUTH_HOST_PORT [AUTH_HOST_PORT ...]]]\n' +
'\t\t[--logging_level [DEBUG,INFO,WARNING,ERROR,CRITICAL]]\n').
format(credentials_file, scope))
store = Storage(credentials_file)
credentials = store.get()
if not credentials or credentials.invalid:
credentials.refresh(httplib2.Http())
return credentials
def generate_credentials(client_secret_path, scope):
credentials_file = get_credentials_filename(*sorted(scope.split(' ')))
store = Storage(credentials_file)
flow = client.flow_from_clientsecrets(client_secret_path, scope)
flow.user_agent = 'Platypush'
flow.access_type = 'offline'
flags = argparse.ArgumentParser(parents=[tools.argparser]).parse_args()
tools.run_flow(flow, store, flags)
print('Storing credentials to ' + credentials_file)
def main():
"""
Generates a Google API credentials file given client secret JSON and scopes.
Usage::
python -m platypush.plugins.google.credentials [client_secret.json location] [comma-separated list of scopes]
"""
scope = sys.argv.pop(1) if len(sys.argv) > 1 \
else input('Space separated list of OAuth scopes: ')
client_secret_path = os.path.expanduser(
sys.argv.pop(1) if len(sys.argv) > 1
else input('Google credentials JSON file location: '))
# Uncomment to force headless (no browser spawned) authentication
# sys.argv.append('--noauth_local_webserver')
generate_credentials(client_secret_path, scope)
if __name__ == '__main__':
main()
# vim:sw=4:ts=4:et: