让 OmniAuth、Devise 和 Koala 协同工作

发布于 2024-11-18 08:52:12 字数 272 浏览 4 评论 0原文

我有一个应用程序，在其中使用 devise 和omniauth 实现身份验证。我已经弄清楚了登录/注销等问题，我想知道的是，连接到用户图 api 端点的最有效方法是什么？初始化并准备在我的应用程序中使用。

例如：如果在个人资料页面上我想要执行此操作，

profile_image = current_user.fbgraph.get_picture("me")

我将如何用最少数量的 API 调用来完成此操作（我将在整个应用程序中使用类似的调用）

原文

I have an app in which I am implementing authentication using devise and omniauth. Ive got the logging in / out etc figured out, what i wanted to know was, what is the most efficient way to have a connection to the users graph api end point initialised and ready for use within my application.

eg: If on the profile page i wanted to do,

profile_image = current_user.fbgraph.get_picture("me")

How would I accomplish this with the least number of API calls (i will be using similar calls throughout the application)

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西瑶 2024-11-25 08:52:12

您可以使用 Koala 之类的东西来完成此操作。当您对用户进行身份验证时，您可以获取访问令牌。假设您已遵循 Devise/Omniauth 教程，您可以做一些事情像这样：

  def self.find_for_facebook_oauth(response, signed_in_resource=nil)
    data = response['extra']['user_hash']
    access_token = response['credentials']['token']
    user = User.find_by_email(data["email"])
    # only log in confirmed users
    # that way users can't spoof accounts
    if user and user.confirmed?
      user.update_attribute('fb_access_token', access_token) 
      user
    end
  end

一旦您拥有访问令牌，您就可以执行以下操作：

@graph = Koala::Facebook::API.new(@user.fb_access_token)
profile_image = @graph.get_picture("me")

在我的应用程序中，当来自 Facebook 的回调到来时，我检查用户是否已登录。如果是，我认为请求是链接帐户。如果不是，我认为这是一个登录请求。

You can accomplish this using something like Koala. When you authenticate the user, you can grab the access token. Assuming you've followed the Devise/Omniauth tutorial, you could do something like so:

  def self.find_for_facebook_oauth(response, signed_in_resource=nil)
    data = response['extra']['user_hash']
    access_token = response['credentials']['token']
    user = User.find_by_email(data["email"])
    # only log in confirmed users
    # that way users can't spoof accounts
    if user and user.confirmed?
      user.update_attribute('fb_access_token', access_token) 
      user
    end
  end

Once you have the access token, you could then do something like:

@graph = Koala::Facebook::API.new(@user.fb_access_token)
profile_image = @graph.get_picture("me")

In my app, I check to see if a user is logged in when the callback from Facebook comes. If they are, I assume the request was to link accounts. If they're not, I assume it's a login request.

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