Ruby on rails 4 Omniauth设计验证失败！检测到csrf_：

我得到了

认证失败！csrf_检测到：

，因此我无法使用omniauth登录

我跟着这个

我发现了类似的问题

但到现在为止，我的问题还没有解决

有没有解决这个错误的办法？谢谢

E, [2015-06-27T10:40:06.028200 #18798] ERROR -- omniauth: (facebook) Authentication failure! csrf_detected: OmniAuth::Strategies::OAuth2::CallbackError, csrf_detected | CSRF detected

宝石 /app/controllers/application_controller.rb /app/models/user.rb /config/initializers/omniauth.rb 控制台中的错误日志（如何跟踪？） 路线

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看起来你也在Github回购协议上问过。看起来也没有一个可靠的答案

是否建议将初始值设定项更改为：

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

这是由于facebook端的API更改，它要求您明确要求

info\u字段

---

维护人员还希望您验证它是否已在更新版本（当时为3.0.0）中修复。

您是否能够解决问题？

   protect_from_forgery with: :exception
-
+  before_action :authenticate_user!

   devise :database_authenticatable, :registerable,
+         :omniauthable, :omniauth_providers => [:facebook]
+  def self.from_omniauth(auth)
+    where(provider: auth.provider, uid: auth.uid).first_or_create do |user|
+      binding.pry
+      user.provider = auth.provider
+      user.uid = auth.uid
+      user.email = auth.info.email
+      user.password = Devise.friendly_token[0,20]
+    end
+  end
+

+Rails.application.config.middleware.use OmniAuth::Builder do
+  provider :facebook, ENV['FACEBOOK_KEY'], ENV['FACEBOOK_SECRET'],
+   :scope => 'email'
+end

Started GET "/users/auth/facebook/callback?code=AQDZC-Ny2PI-UwunCNi29mx4YGKT&state=cf896d3decffe2a7a664315e050a1165a290477542ff7d33" for 127.0.0.1 at 2015-06-27 10:40:05 +0800
I, [2015-06-27T10:40:05.255832 #18798]  INFO -- omniauth: (facebook) Callback phase initiated.
I, [2015-06-27T10:40:06.028051 #18798]  INFO -- omniauth: (facebook) Callback phase initiated.
E, [2015-06-27T10:40:06.028200 #18798] ERROR -- omniauth: (facebook) Authentication failure! csrf_detected: OmniAuth::Strategies::OAuth2::CallbackError, csrf_detected | CSRF detected
Processing by CallbacksController#failure as HTML
  Parameters: {"code"=>"AQDZC-Ny2PI-UwunCNi29mx4YGKTuHDeP2X2X-leywO14gr_iHLvXxX1LpV5WteUrQHpX-uc0Z01wcjy4XHA9CBkZeSo4qRb7jXdvPLfQl6mgwbMrFuQb1_55KughvtMWMlZ_7YEhtiLoEZH_2EvGXLbuKkUq", "state"=>"cf896d3decffe2a7a663"}

+  devise_for :users, :controllers => { :omniauth_callbacks => "callbacks" }      

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