将Google :: Auth :: Stores :: FileTokenStore与数据库一起使用

问题描述

我正在尝试在我的应用程序中对Google API进行三腿式身份验证，以便能够访问注册用户的Google日历.

I'm trying to implement a 3 legged authentication in my app to the Google API, to be able to access registered users' Google Calendars.

在快速入门Ruby指南中，该命令显示为据我了解，应该指向用户的令牌:

In the quickstart Ruby guide, this command comes up that as far as I understand should point to the user's tokens:

token_store = Google::Auth::Stores::FileTokenStore.new(file: CREDENTIALS_PATH)

它期望将令牌存储在文件中(或 Redis )，但是(当然)我将每个用户的令牌存储在数据库(Postgres)中.

It expects the tokens stored in a file (or Redis), but (of course) I store each user's tokens in my database (Postgres).

我是否错误地理解了命令的用途-如何将其与数据库存储一起使用?

Have I understand the purpose of the command wrongly or otherwise - how do I use it with a database store?

官方文档

推荐答案

我是根据@Rafe的答案自己实现的.只是想分享，以防有人想复制ActiveRecord/数据库存储实现:

I implemented it myself based on @Rafe's answer. Just wanted to share in case someone wants to copy the ActiveRecord / Database store implementation:

module Google
  module Auth
    module Stores
      class DatabaseTokenStore < Google::Auth::TokenStore
        def load(id)
          user = User.find(id)
          {
            "client_id": ENV['google_client_id'],
            "access_token": user.token,
            "refresh_token": user.refresh_token,
            "scope": ENV['google_scopes'],
            "expiration_time_millis": user.token_expires_at
          }.to_json
        end
        def store(id, token)
          user = User.find(id)
          hsh = JSON.parse(token)
          user.update(
            token: hsh["access_token"],
            token_expires_at: hsh["expiration_time_millis"] / 1000
          )
        end
      end
    end
  end
end

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