82 lines
3.7 KiB
Ruby
82 lines
3.7 KiB
Ruby
# Copyright 2015, Google Inc.
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions are
|
|
# met:
|
|
#
|
|
# * Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# * Redistributions in binary form must reproduce the above
|
|
# copyright notice, this list of conditions and the following disclaimer
|
|
# in the documentation and/or other materials provided with the
|
|
# distribution.
|
|
# * Neither the name of Google Inc. nor the names of its
|
|
# contributors may be used to endorse or promote products derived from
|
|
# this software without specific prior written permission.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
require 'googleauth/compute_engine'
|
|
require 'googleauth/default_credentials'
|
|
|
|
module Google
|
|
# Module Auth provides classes that provide Google-specific authorization
|
|
# used to access Google APIs.
|
|
module Auth
|
|
NOT_FOUND_ERROR = <<ERROR_MESSAGE.freeze
|
|
Could not load the default credentials. Browse to
|
|
https://developers.google.com/accounts/docs/application-default-credentials
|
|
for more information
|
|
ERROR_MESSAGE
|
|
|
|
# Obtains the default credentials implementation to use in this
|
|
# environment.
|
|
#
|
|
# Use this to obtain the Application Default Credentials for accessing
|
|
# Google APIs. Application Default Credentials are described in detail
|
|
# at http://goo.gl/IUuyuX.
|
|
#
|
|
# If supplied, scope is used to create the credentials instance, when it can
|
|
# be applied. E.g, on google compute engine and for user credentials the
|
|
# scope is ignored.
|
|
#
|
|
# @param scope [string|array|nil] the scope(s) to access
|
|
# @param options [Hash] Connection options. These may be used to configure
|
|
# the `Faraday::Connection` used for outgoing HTTP requests. For
|
|
# example, if a connection proxy must be used in the current network,
|
|
# you may provide a connection with with the needed proxy options.
|
|
# The following keys are recognized:
|
|
# * `:default_connection` The connection object to use for token
|
|
# refresh requests.
|
|
# * `:connection_builder` A `Proc` that creates and returns a
|
|
# connection to use for token refresh requests.
|
|
# * `:connection` The connection to use to determine whether GCE
|
|
# metadata credentials are available.
|
|
def get_application_default(scope = nil, options = {})
|
|
creds = DefaultCredentials.from_env(scope, options) ||
|
|
DefaultCredentials.from_well_known_path(scope, options) ||
|
|
DefaultCredentials.from_system_default_path(scope, options)
|
|
return creds unless creds.nil?
|
|
unless GCECredentials.on_gce?(options)
|
|
# Clear cache of the result of GCECredentials.on_gce?
|
|
GCECredentials.unmemoize_all
|
|
raise NOT_FOUND_ERROR
|
|
end
|
|
GCECredentials.new
|
|
end
|
|
|
|
module_function :get_application_default
|
|
end
|
|
end
|