Upgrade gsutil to 3.4

third_party/gsutil/20110627/cloudauth/oauth2_plugin.py

-# Copyright 2011 Google Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# This code implements an OAUTH2 plugin that reads the access token from
-# App Engine StorageByKeyName.
-
-from oauth2client.appengine import CredentialsProperty
-from oauth2client.appengine import StorageByKeyName
-from google.appengine.api import users
-from google.appengine.ext import db
-from boto.auth_handler import AuthHandler
-from boto.auth_handler import NotReadyToAuthenticate 
-
-
-class Credentials(db.Model):
-  credentials = CredentialsProperty()
-
-
-class OAuth2Auth(AuthHandler):
-
-  capability = ['google-oauth2', 's3']
-
-  def __init__(self, path, config, provider):
-    if provider.name != 'google':
-      raise NotReadyToAuthenticate()
-
-  def add_auth(self, http_request):
-    user = users.get_current_user()
-    credentials = StorageByKeyName(
-        Credentials, user.user_id(), 'credentials').get()
-    if not credentials or credentials.invalid:
-      raise NotReadyToAuthenticate()
-    http_request.headers['Authorization'] = (
-        'OAuth %s' % str(credentials.access_token))