Contents

# Copyright 2014 Google Inc. All rights reserved.
#
# 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.


require "gcloud/credentials"

module Gcloud
  module Datastore
    ##
    # @private
    #
    # Authentication credentials to Google Cloud.
    # The most common way to create this object is to provide the path
    # to the JSON keyfile downloaded from Google Cloud.
    #
    # @see https://developers.google.com/accounts/docs/application-default-credentials
    class Credentials < Gcloud::Credentials
      SCOPE = ["https://www.googleapis.com/auth/datastore",
               "https://www.googleapis.com/auth/userinfo.email"]
      PATH_ENV_VARS = %w(DATASTORE_KEYFILE GCLOUD_KEYFILE GOOGLE_CLOUD_KEYFILE)
      JSON_ENV_VARS = %w(DATASTORE_KEYFILE_JSON GCLOUD_KEYFILE_JSON
                         GOOGLE_CLOUD_KEYFILE_JSON)

      ##
      # Sign OAuth 2.0 API calls.
      def sign_http_request request
        if @client
          @client.fetch_access_token! if @client.expired?
          @client.generate_authenticated_request request: request
        end
        request
      end
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
gcloud-0.7.2	lib/gcloud/datastore/credentials.rb
gcloud-0.7.1	lib/gcloud/datastore/credentials.rb
gcloud-0.7.0	lib/gcloud/datastore/credentials.rb