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class GooglePlayVerification | |
require 'google/api_client' | |
# Refer: | |
# https://code.google.com/p/google-api-ruby-client/issues/detail?id=72 | |
# and | |
# http://jonathanotto.com/blog/google_oauth2_api_quick_tutorial.html | |
# and | |
# http://milancermak.wordpress.com/2012/08/24/server-side-verification-of-google-play-subsc/ | |
GOOGLE_KEY = 'xxx-xxx.apps.googleusercontent.com' | |
GOOGLE_SECRET = 'xxx' | |
ACCESS_TOKEN = 'xxx' | |
REFRESH_TOKEN = '1/4Qxxx' | |
APP_NAME = 'xxx' | |
APP_VERSION = '1.0.1' | |
def self.google_api_client | |
@@google_client ||= Google::APIClient.new( | |
auto_refresh_token: true, | |
application_name: APP_NAME, | |
application_version: APP_VERSION | |
).tap do |client| | |
client.authorization.client_id = GOOGLE_KEY | |
client.authorization.client_secret = GOOGLE_SECRET | |
client.authorization.access_token = ACCESS_TOKEN | |
client.authorization.refresh_token = REFRESH_TOKEN | |
end | |
end | |
# ie. https://developers.google.com/android-publisher/v1/ | |
# eg. | |
# @package_name com.stocklight.stocklightapp | |
# @subscription_id com.stocklight.stocklight.standardsubscription | |
# @purchase_token xxx | |
def self.verify_subscription(package_name, subscription_id, purchase_token) | |
client = self.google_api_client | |
# Verify whether the transaction_receipt is valid | |
subscriptions = client.discovered_api('androidpublisher', 'v1') | |
api_method = subscriptions.purchases.get | |
purchases = client.execute(api_method: api_method, parameters: { | |
"packageName" => package_name, | |
"subscriptionId" => subscription_id, | |
"token" => purchase_token | |
}).data | |
end | |
end |
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