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Merge pull request #24 from tbetbetbe/ruby-auth-add-iam-creds
Adds an implementation of IAMCredentials
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# 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. | ||
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require 'googleauth/signet' | ||
require 'googleauth/credentials_loader' | ||
require 'multi_json' | ||
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module Google | ||
# Module Auth provides classes that provide Google-specific authorization | ||
# used to access Google APIs. | ||
module Auth | ||
# Authenticates requests using IAM credentials. | ||
class IAMCredentials | ||
SELECTOR_KEY = 'x-goog-iam-authority-selector' | ||
TOKEN_KEY = 'x-goog-iam-authorization-token' | ||
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# Initializes an IAMCredentials. | ||
# | ||
# @param selector the IAM selector. | ||
# @param token the IAM token. | ||
def initialize(selector, token) | ||
fail TypeError unless selector.is_a? String | ||
fail TypeError unless token.is_a? String | ||
@selector = selector | ||
@token = token | ||
end | ||
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# Adds the credential fields to the hash. | ||
def apply!(a_hash) | ||
a_hash[SELECTOR_KEY] = @selector | ||
a_hash[TOKEN_KEY] = @token | ||
a_hash | ||
end | ||
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# Returns a clone of a_hash updated with the authoriation header | ||
def apply(a_hash) | ||
a_copy = a_hash.clone | ||
apply!(a_copy) | ||
a_copy | ||
end | ||
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# Returns a reference to the #apply method, suitable for passing as | ||
# a closure | ||
def updater_proc | ||
lambda(&method(:apply)) | ||
end | ||
end | ||
end | ||
end |
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# 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. | ||
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spec_dir = File.expand_path(File.join(File.dirname(__FILE__))) | ||
$LOAD_PATH.unshift(spec_dir) | ||
$LOAD_PATH.uniq! | ||
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require 'googleauth/iam' | ||
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describe Google::Auth::IAMCredentials do | ||
IAMCredentials = Google::Auth::IAMCredentials | ||
let(:test_selector) { 'the-test-selector' } | ||
let(:test_token) { 'the-test-token' } | ||
let(:test_creds) { IAMCredentials.new(test_selector, test_token) } | ||
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describe '#apply!' do | ||
it 'should update the target hash with the iam values' do | ||
md = { foo: 'bar' } | ||
test_creds.apply!(md) | ||
expect(md[IAMCredentials::SELECTOR_KEY]).to eq test_selector | ||
expect(md[IAMCredentials::TOKEN_KEY]).to eq test_token | ||
expect(md[:foo]).to eq 'bar' | ||
end | ||
end | ||
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describe 'updater_proc' do | ||
it 'should provide a proc that updates a hash with the iam values' do | ||
md = { foo: 'bar' } | ||
the_proc = test_creds.updater_proc | ||
got = the_proc.call(md) | ||
expect(got[IAMCredentials::SELECTOR_KEY]).to eq test_selector | ||
expect(got[IAMCredentials::TOKEN_KEY]).to eq test_token | ||
expect(got[:foo]).to eq 'bar' | ||
end | ||
end | ||
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describe '#apply' do | ||
it 'should not update the original hash with the iam values' do | ||
md = { foo: 'bar' } | ||
test_creds.apply(md) | ||
expect(md[IAMCredentials::SELECTOR_KEY]).to be_nil | ||
expect(md[IAMCredentials::TOKEN_KEY]).to be_nil | ||
expect(md[:foo]).to eq 'bar' | ||
end | ||
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it 'should return a with the iam values' do | ||
md = { foo: 'bar' } | ||
got = test_creds.apply(md) | ||
expect(got[IAMCredentials::SELECTOR_KEY]).to eq test_selector | ||
expect(got[IAMCredentials::TOKEN_KEY]).to eq test_token | ||
expect(got[:foo]).to eq 'bar' | ||
end | ||
end | ||
end |