Rails:在 Facebook Oauth 之后获取用户的电子邮件(使用 Devise & facebook omniauth gem)

Rails: Get user's email after Facebook Oauth (using Devise & facebook omniauth gem)

在用户从 Facebook 注册后,我无法访问他们的电子邮件、first_name 和 last_name。

这是我的 Omniauth.rb 的样子:

Rails.application.config.middleware.use OmniAuth::Builder do
  provider :facebook, ENV['FACEBOOK_APP_ID'], ENV['FACEBOOK_SECRET'],
  :scope => 'email',
  :info_fields=>'first_name, last_name, email'
end

当 Facebook 登录 window 出现时,它会正确显示范围 ("this app will have access to your email")。但是当我查看响应时,我发现我没有收到我请求的任何字段。

   {"provider"=>"facebook",
 "uid"=>"10101161800900201",
 "info"=>
  {"name"=>"Jackson Cunningham",
   "image"=>"http://graph.facebook.com/10101161800900201/picture"},
 "credentials"=>
  {"token"=>
    "...",
   "expires_at"=>1445243073,
   "expires"=>true},
 "extra"=>
  {"raw_info"=>
    {"name"=>"Jackson Cunningham", "id"=>"10101161800900201"}}}

想通了。除了 Omniauth.rb

之外,您只需要确保编辑 Devise.rb

Devise.rb 应该有:

config.omniauth :facebook, "your_facebook_id", "your_facebook_secret", scope: 'email,public_profile', info_fields: 'email, first_name, last_name'

替换您需要的任何特定 info_fields(所有可用列表 here