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Merge pull request #13 from tbetbetbe/ruby-auth-add-user-creds 

Ruby auth add user creds
This commit is contained in:
Tim Emiola 2015-03-11 09:49:01 -07:00
parent fb6cd15e4f 8f33ba8f4c
commit ade30c023a
7 changed files with 524 additions and 135 deletions
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34
lib/googleauth.rb
View File

@ -27,8 +27,13 @@
# (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/service_account'
require 'multi_json'
require 'stringio'
require 'googleauth/credentials_loader'
require 'googleauth/compute_engine'
require 'googleauth/service_account'
require 'googleauth/user_refresh'
module Google
# Module Auth provides classes that provide Google-specific authorization
@ -40,6 +45,29 @@ https://developers.google.com/accounts/docs/application-default-credentials
for more information
END
# DefaultCredentials is used to preload the credentials file, to determine
# which type of credentials should be loaded.
class DefaultCredentials
extend CredentialsLoader
# override CredentialsLoader#make_creds to use the class determined by
# loading the json.
def self.make_creds(scope, json_key_io)
json_key, clz = determine_creds_class(json_key_io)
clz.new(scope, StringIO.new(MultiJson.dump(json_key)))
end
# Reads the input json and determines which creds class to use.
def self.determine_creds_class(json_key_io)
json_key = MultiJson.load(json_key_io.read)
fail "the json is missing the #{key} field" unless json_key.key?('type')
type = json_key['type']
return json_key, ServiceAccountCredentials if type == 'service_account'
return [json_key, UserRefreshCredentials] if type == 'authorized_user'
fail "credentials type '#{type}' is not supported"
end
end
# Obtains the default credentials implementation to use in this
# environment.
#
@ -53,9 +81,9 @@ END
# @param scope [string|array] the scope(s) to access
# @param options [hash] allows override of the connection being used
def get_application_default(scope, options = {})
creds = ServiceAccountCredentials.from_env(scope)
creds = DefaultCredentials.from_env(scope)
return creds unless creds.nil?
creds = ServiceAccountCredentials.from_well_known_path(scope)
creds = DefaultCredentials.from_well_known_path(scope)
return creds unless creds.nil?
fail NOT_FOUND_ERROR unless GCECredentials.on_gce?(options)
GCECredentials.new

93
lib/googleauth/credentials_loader.rb Normal file
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@ -0,0 +1,93 @@
# 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 'memoist'
require 'rbconfig'
module Google
# Module Auth provides classes that provide Google-specific authorization
# used to access Google APIs.
module Auth
# CredentialsLoader contains the behaviour used to locate and find default
# credentials files on the file system.
module CredentialsLoader
extend Memoist
ENV_VAR = 'GOOGLE_APPLICATION_CREDENTIALS'
NOT_FOUND_ERROR =
"Unable to read the credential file specified by #{ENV_VAR}"
WELL_KNOWN_PATH = 'gcloud/application_default_credentials.json'
WELL_KNOWN_ERROR = 'Unable to read the default credential file'
# determines if the current OS is windows
def windows?
RbConfig::CONFIG['host_os'] =~ /Windows|mswin/
end
memoize :windows?
# make_creds proxies the construction of a credentials instance
#
# By default, it calls #new on the current class, but this behaviour can
# be modified, allowing different instances to be created.
def make_creds(*args)
new(*args)
end
# Creates an instance from the path specified in an environment
# variable.
#
# @param scope [string|array] the scope(s) to access
def from_env(scope)
return nil unless ENV.key?(ENV_VAR)
path = ENV[ENV_VAR]
fail 'file #{path} does not exist' unless File.exist?(path)
File.open(path) do |f|
return make_creds(scope, f)
end
rescue StandardError => e
raise "#{NOT_FOUND_ERROR}: #{e}"
end
# Creates an instance from a well known path.
#
# @param scope [string|array] the scope(s) to access
def from_well_known_path(scope)
home_var, base = windows? ? 'APPDATA' : 'HOME', WELL_KNOWN_PATH
root = ENV[home_var].nil? ? '' : ENV[home_var]
base = File.join('.config', base) unless windows?
path = File.join(root, base)
return nil unless File.exist?(path)
File.open(path) do |f|
return make_creds(scope, f)
end
rescue StandardError => e
raise "#{WELL_KNOWN_ERROR}: #{e}"
end
end
end
end

68
lib/googleauth/service_account.rb
View File

@ -28,18 +28,8 @@
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
require 'googleauth/signet'
require 'memoist'
require 'googleauth/credentials_loader'
require 'multi_json'
require 'openssl'
require 'rbconfig'
# Reads the private key and client email fields from service account JSON key.
def read_json_key(json_key_io)
json_key = MultiJson.load(json_key_io.read)
fail 'missing client_email' unless json_key.key?('client_email')
fail 'missing private_key' unless json_key.key?('private_key')
[json_key['private_key'], json_key['client_email']]
end
module Google
# Module Auth provides classes that provide Google-specific authorization
@ -53,52 +43,16 @@ module Google
#
# cf [Application Default Credentials](http://goo.gl/mkAHpZ)
class ServiceAccountCredentials < Signet::OAuth2::Client
ENV_VAR = 'GOOGLE_APPLICATION_CREDENTIALS'
NOT_FOUND_ERROR =
"Unable to read the credential file specified by #{ENV_VAR}"
TOKEN_CRED_URI = 'https://www.googleapis.com/oauth2/v3/token'
WELL_KNOWN_PATH = 'gcloud/application_default_credentials.json'
WELL_KNOWN_ERROR = 'Unable to read the default credential file'
extend CredentialsLoader
class << self
extend Memoist
# determines if the current OS is windows
def windows?
RbConfig::CONFIG['host_os'] =~ /Windows|mswin/
end
memoize :windows?
# Creates an instance from the path specified in an environment
# variable.
#
# @param scope [string|array] the scope(s) to access
def from_env(scope)
return nil unless ENV.key?(ENV_VAR)
path = ENV[ENV_VAR]
fail 'file #{path} does not exist' unless File.exist?(path)
File.open(path) do |f|
return new(scope, f)
end
rescue StandardError => e
raise "#{NOT_FOUND_ERROR}: #{e}"
end
# Creates an instance from a well known path.
#
# @param scope [string|array] the scope(s) to access
def from_well_known_path(scope)
home_var, base = windows? ? 'APPDATA' : 'HOME', WELL_KNOWN_PATH
root = ENV[home_var].nil? ? '' : ENV[home_var]
base = File.join('.config', base) unless windows?
path = File.join(root, base)
return nil unless File.exist?(path)
File.open(path) do |f|
return new(scope, f)
end
rescue StandardError => e
raise "#{WELL_KNOWN_ERROR}: #{e}"
end
# Reads the private key and client email fields from the service account
# JSON key.
def self.read_json_key(json_key_io)
json_key = MultiJson.load(json_key_io.read)
fail 'missing client_email' unless json_key.key?('client_email')
fail 'missing private_key' unless json_key.key?('private_key')
[json_key['private_key'], json_key['client_email']]
end
# Initializes a ServiceAccountCredentials.
@ -106,9 +60,9 @@ module Google
# @param scope [string|array] the scope(s) to access
# @param json_key_io [IO] an IO from which the JSON key can be read
def initialize(scope, json_key_io)
private_key, client_email = read_json_key(json_key_io)
private_key, client_email = self.class.read_json_key(json_key_io)
super(token_credential_uri: TOKEN_CRED_URI,
audience: TOKEN_CRED_URI, # TODO: confirm this
audience: TOKEN_CRED_URI,
scope: scope,
issuer: client_email,
signing_key: OpenSSL::PKey::RSA.new(private_key))

76
lib/googleauth/user_refresh.rb Normal file
View File

@ -0,0 +1,76 @@
# 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/signet'
require 'googleauth/credentials_loader'
require 'multi_json'
module Google
# Module Auth provides classes that provide Google-specific authorization
# used to access Google APIs.
module Auth
# Authenticates requests using User Refresh credentials.
#
# This class allows authorizing requests from user refresh tokens.
#
# This the end of the result of a 3LO flow. E.g, the end result of
# 'gcloud auth login' saves a file with these contents in well known
# location
#
# cf [Application Default Credentials](http://goo.gl/mkAHpZ)
class UserRefreshCredentials < Signet::OAuth2::Client
TOKEN_CRED_URI = 'https://www.googleapis.com/oauth2/v3/token'
extend CredentialsLoader
# Reads the client_id, client_secret and refresh_token fields from the
# JSON key.
def self.read_json_key(json_key_io)
json_key = MultiJson.load(json_key_io.read)
wanted = %w(client_id client_secret refresh_token)
wanted.each do |key|
fail "the json is missing the #{key} field" unless json_key.key?(key)
end
json_key
end
# Initializes a UserRefreshCredentials.
#
# @param scope [string|array] the scope(s) to access
# @param json_key_io [IO] an IO from which the JSON key can be read
def initialize(scope, json_key_io)
user_creds = self.class.read_json_key(json_key_io)
super(token_credential_uri: TOKEN_CRED_URI,
client_id: user_creds['client_id'],
client_secret: user_creds['client_secret'],
refresh_token: user_creds['refresh_token'],
scope: scope)
end
end
end
end

138
spec/googleauth/get_application_default_spec.rb
View File

@ -38,7 +38,7 @@ require 'spec_helper'
describe '#get_application_default' do
before(:example) do
@key = OpenSSL::PKey::RSA.new(2048)
@var_name = ServiceAccountCredentials::ENV_VAR
@var_name = CredentialsLoader::ENV_VAR
@orig = ENV[@var_name]
@home = ENV['HOME']
@scope = 'https://www.googleapis.com/auth/userinfo.profile'
@ -49,17 +49,7 @@ describe '#get_application_default' do
ENV['HOME'] = @home unless @home == ENV['HOME']
end
def cred_json_text
cred_json = {
private_key_id: 'a_private_key_id',
private_key: @key.to_pem,
client_email: 'app@developer.gserviceaccount.com',
client_id: 'app.apps.googleusercontent.com',
type: 'service_account'
}
MultiJson.dump(cred_json)
end
shared_examples 'it cannot load misconfigured credentials' do
it 'fails if the GOOGLE_APPLICATION_CREDENTIALS path does not exist' do
Dir.mktmpdir do |dir|
key_path = File.join(dir, 'does-not-exist')
@ -68,28 +58,6 @@ describe '#get_application_default' do
end
end
it 'succeeds if the GOOGLE_APPLICATION_CREDENTIALS file is valid' do
Dir.mktmpdir do |dir|
key_path = File.join(dir, 'my_cert_file')
FileUtils.mkdir_p(File.dirname(key_path))
File.write(key_path, cred_json_text)
ENV[@var_name] = key_path
expect(Google::Auth.get_application_default(@scope)).to_not be_nil
end
end
it 'succeeds with default file if GOOGLE_APPLICATION_CREDENTIALS is unset' do
ENV.delete(@var_name) unless ENV[@var_name].nil?
Dir.mktmpdir do |dir|
key_path = File.join(dir, '.config',
ServiceAccountCredentials::WELL_KNOWN_PATH)
FileUtils.mkdir_p(File.dirname(key_path))
File.write(key_path, cred_json_text)
ENV['HOME'] = dir
expect(Google::Auth.get_application_default(@scope)).to_not be_nil
end
end
it 'fails without default file or env if not on compute engine' do
stubs = Faraday::Adapter::Test::Stubs.new do |stub|
stub.get('/') do |_env|
@ -111,6 +79,30 @@ describe '#get_application_default' do
end
stubs.verify_stubbed_calls
end
end
shared_examples 'it can successfully load credentials' do
it 'succeeds if the GOOGLE_APPLICATION_CREDENTIALS file is valid' do
Dir.mktmpdir do |dir|
key_path = File.join(dir, 'my_cert_file')
FileUtils.mkdir_p(File.dirname(key_path))
File.write(key_path, cred_json_text)
ENV[@var_name] = key_path
expect(Google::Auth.get_application_default(@scope)).to_not be_nil
end
end
it 'succeeds with default file without GOOGLE_APPLICATION_CREDENTIALS' do
ENV.delete(@var_name) unless ENV[@var_name].nil?
Dir.mktmpdir do |dir|
key_path = File.join(dir, '.config',
CredentialsLoader::WELL_KNOWN_PATH)
FileUtils.mkdir_p(File.dirname(key_path))
File.write(key_path, cred_json_text)
ENV['HOME'] = dir
expect(Google::Auth.get_application_default(@scope)).to_not be_nil
end
end
it 'succeeds without default file or env if on compute engine' do
stubs = Faraday::Adapter::Test::Stubs.new do |stub|
@ -126,9 +118,83 @@ describe '#get_application_default' do
c = Faraday.new do |b|
b.adapter(:test, stubs)
end
expect(Google::Auth.get_application_default(@scope,
connection: c)).to_not be_nil
creds = Google::Auth.get_application_default(
@scope,
connection: c)
expect(creds).to_not be_nil
end
stubs.verify_stubbed_calls
end
end
describe 'when credential type is service account' do
def cred_json_text
cred_json = {
private_key_id: 'a_private_key_id',
private_key: @key.to_pem,
client_email: 'app@developer.gserviceaccount.com',
client_id: 'app.apps.googleusercontent.com',
type: 'service_account'
}
MultiJson.dump(cred_json)
end
it_behaves_like 'it can successfully load credentials'
it_behaves_like 'it cannot load misconfigured credentials'
end
describe 'when credential type is authorized_user' do
def cred_json_text
cred_json = {
client_secret: 'privatekey',
refresh_token: 'refreshtoken',
client_id: 'app.apps.googleusercontent.com',
type: 'authorized_user'
}
MultiJson.dump(cred_json)
end
it_behaves_like 'it can successfully load credentials'
it_behaves_like 'it cannot load misconfigured credentials'
end
describe 'when credential type is unknown' do
def cred_json_text
cred_json = {
client_secret: 'privatekey',
refresh_token: 'refreshtoken',
client_id: 'app.apps.googleusercontent.com',
type: 'not_known_type'
}
MultiJson.dump(cred_json)
end
it 'fails if the GOOGLE_APPLICATION_CREDENTIALS file contains the creds' do
Dir.mktmpdir do |dir|
key_path = File.join(dir, 'my_cert_file')
FileUtils.mkdir_p(File.dirname(key_path))
File.write(key_path, cred_json_text)
ENV[@var_name] = key_path
blk = proc do
Google::Auth.get_application_default(@scope)
end
expect(&blk).to raise_error RuntimeError
end
end
it 'fails if the well known file contains the creds' do
ENV.delete(@var_name) unless ENV[@var_name].nil?
Dir.mktmpdir do |dir|
key_path = File.join(dir, '.config',
CredentialsLoader::WELL_KNOWN_PATH)
FileUtils.mkdir_p(File.dirname(key_path))
File.write(key_path, cred_json_text)
ENV['HOME'] = dir
blk = proc do
Google::Auth.get_application_default(@scope)
end
expect(&blk).to raise_error RuntimeError
end
end
end
end

16
spec/googleauth/service_account_spec.rb
View File

@ -42,6 +42,7 @@ require 'tmpdir'
describe Google::Auth::ServiceAccountCredentials do
ServiceAccountCredentials = Google::Auth::ServiceAccountCredentials
CredentialsLoader = Google::Auth::CredentialsLoader
before(:example) do
@key = OpenSSL::PKey::RSA.new(2048)
@ -79,9 +80,10 @@ describe Google::Auth::ServiceAccountCredentials do
describe '#from_env' do
before(:example) do
@var_name = ServiceAccountCredentials::ENV_VAR
@var_name = CredentialsLoader::ENV_VAR
@orig = ENV[@var_name]
@scope = 'https://www.googleapis.com/auth/userinfo.profile'
@clz = ServiceAccountCredentials
end
after(:example) do
@ -99,18 +101,17 @@ describe Google::Auth::ServiceAccountCredentials do
Dir.mktmpdir do |dir|
key_path = File.join(dir, 'does-not-exist')
ENV[@var_name] = key_path
expect { sac.from_env(@scope) }.to raise_error
expect { @clz.from_env(@scope) }.to raise_error
end
end
it 'succeeds when the GOOGLE_APPLICATION_CREDENTIALS file is valid' do
sac = ServiceAccountCredentials # shortens name
Dir.mktmpdir do |dir|
key_path = File.join(dir, 'my_cert_file')
FileUtils.mkdir_p(File.dirname(key_path))
File.write(key_path, cred_json_text)
ENV[@var_name] = key_path
expect(sac.from_env(@scope)).to_not be_nil
expect(@clz.from_env(@scope)).to_not be_nil
end
end
end
@ -119,6 +120,8 @@ describe Google::Auth::ServiceAccountCredentials do
before(:example) do
@home = ENV['HOME']
@scope = 'https://www.googleapis.com/auth/userinfo.profile'
@known_path = CredentialsLoader::WELL_KNOWN_PATH
@clz = ServiceAccountCredentials
end
after(:example) do
@ -131,13 +134,12 @@ describe Google::Auth::ServiceAccountCredentials do
end
it 'successfully loads the file when it is present' do
sac = ServiceAccountCredentials # shortens name
Dir.mktmpdir do |dir|
key_path = File.join(dir, '.config', sac::WELL_KNOWN_PATH)
key_path = File.join(dir, '.config', @known_path)
FileUtils.mkdir_p(File.dirname(key_path))
File.write(key_path, cred_json_text)
ENV['HOME'] = dir
expect(sac.from_well_known_path(@scope)).to_not be_nil
expect(@clz.from_well_known_path(@scope)).to_not be_nil
end
end
end

170
spec/googleauth/user_refresh_spec.rb Normal file
View File

@ -0,0 +1,170 @@
# 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.
spec_dir = File.expand_path(File.join(File.dirname(__FILE__)))
$LOAD_PATH.unshift(spec_dir)
$LOAD_PATH.uniq!
require 'apply_auth_examples'
require 'fileutils'
require 'googleauth/user_refresh'
require 'jwt'
require 'multi_json'
require 'openssl'
require 'spec_helper'
require 'tmpdir'
describe Google::Auth::UserRefreshCredentials do
UserRefreshCredentials = Google::Auth::UserRefreshCredentials
CredentialsLoader = Google::Auth::CredentialsLoader
before(:example) do
@key = OpenSSL::PKey::RSA.new(2048)
@client = UserRefreshCredentials.new(
'https://www.googleapis.com/auth/userinfo.profile',
StringIO.new(cred_json_text))
end
def make_auth_stubs(opts = {})
access_token = opts[:access_token] || ''
Faraday::Adapter::Test::Stubs.new do |stub|
stub.post('/oauth2/v3/token') do |env|
params = Addressable::URI.form_unencode(env[:body])
want = %w(grant_type refresh_token)
expect(params.assoc('grant_type')).to eq(want)
build_access_token_json(access_token)
end
end
end
def cred_json_text(missing = nil)
cred_json = {
client_secret: 'privatekey',
client_id: 'client123',
refresh_token: 'refreshtoken',
type: 'authorized_user'
}
cred_json.delete(missing.to_sym) unless missing.nil?
MultiJson.dump(cred_json)
end
it_behaves_like 'apply/apply! are OK'
describe '#from_env' do
before(:example) do
@var_name = CredentialsLoader::ENV_VAR
@orig = ENV[@var_name]
@scope = 'https://www.googleapis.com/auth/userinfo.profile'
@clz = UserRefreshCredentials
end
after(:example) do
ENV[@var_name] = @orig unless @orig.nil?
end
it 'returns nil if the GOOGLE_APPLICATION_CREDENTIALS is unset' do
ENV.delete(@var_name) unless ENV[@var_name].nil?
expect(UserRefreshCredentials.from_env(@scope)).to be_nil
end
it 'fails if the GOOGLE_APPLICATION_CREDENTIALS path does not exist' do
ENV.delete(@var_name) unless ENV[@var_name].nil?
expect(UserRefreshCredentials.from_env(@scope)).to be_nil
Dir.mktmpdir do |dir|
key_path = File.join(dir, 'does-not-exist')
ENV[@var_name] = key_path
expect { @clz.from_env(@scope) }.to raise_error
end
end
it 'fails if the GOOGLE_APPLICATION_CREDENTIALS path file is invalid' do
needed = %w(client_id client_secret refresh_token)
needed.each do |missing|
Dir.mktmpdir do |dir|
key_path = File.join(dir, 'my_cert_file')
FileUtils.mkdir_p(File.dirname(key_path))
File.write(key_path, cred_json_text(missing))
ENV[@var_name] = key_path
expect { @clz.from_env(@scope) }.to raise_error
end
end
end
it 'succeeds when the GOOGLE_APPLICATION_CREDENTIALS file is valid' do
Dir.mktmpdir do |dir|
key_path = File.join(dir, 'my_cert_file')
FileUtils.mkdir_p(File.dirname(key_path))
File.write(key_path, cred_json_text)
ENV[@var_name] = key_path
expect(@clz.from_env(@scope)).to_not be_nil
end
end
end
describe '#from_well_known_path' do
before(:example) do
@home = ENV['HOME']
@scope = 'https://www.googleapis.com/auth/userinfo.profile'
@known_path = CredentialsLoader::WELL_KNOWN_PATH
@clz = UserRefreshCredentials
end
after(:example) do
ENV['HOME'] = @home unless @home == ENV['HOME']
end
it 'is nil if no file exists' do
ENV['HOME'] = File.dirname(__FILE__)
expect(UserRefreshCredentials.from_well_known_path(@scope)).to be_nil
end
it 'fails if the file is invalid' do
needed = %w(client_id client_secret refresh_token)
needed.each do |missing|
Dir.mktmpdir do |dir|
key_path = File.join(dir, '.config', @known_path)
FileUtils.mkdir_p(File.dirname(key_path))
File.write(key_path, cred_json_text(missing))
ENV['HOME'] = dir
expect { @clz.from_env(@scope) }.to raise_error
end
end
end
it 'successfully loads the file when it is present' do
Dir.mktmpdir do |dir|
key_path = File.join(dir, '.config', @known_path)
FileUtils.mkdir_p(File.dirname(key_path))
File.write(key_path, cred_json_text)
ENV['HOME'] = dir
expect(@clz.from_well_known_path(@scope)).to_not be_nil
end
end
end
end