質問編集履歴
2
追記
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```
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＊appIDとシークレットはdotenvに保管して、herokuに直接環境変数を入力しています
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見にくくて恐縮ですが、どなたか何かアドバイスをいただけるとありがたいです。
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問題のコードを追加します。
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また、facebook for developperのほうでも有効なOAuthリダイレクトURIの設定は行っています。
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また、facebook for developperのほうでも、ドメイン/users/auth/facebook/callback と、設定して有効なOAuthリダイレクトURIの設定は行っています。
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```
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actionnotfoundエラーと上記のエラーが出てしばらくログがつずいた後にstatus＝404になります。
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### 該当のコード
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routes.rb
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```
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Rails.application.routes.draw do
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devise_for :users, controllers: {
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omniauth_callbacks: 'users/omniauth_callbacks'
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}
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# For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
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root 'posts#index'
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get '/users/:id', to: 'users#show', as: 'user'
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resources :posts, only: %i(index new create show destroy) do
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resources :photos, only: %i(create)
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resources :likes, only: %i(create destroy)
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resources :comments, only: %i(create destroy)
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end
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end
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```
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app/controllers/users/omniauth_callbacks_controller.rb
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```
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class Users::OmniauthCallbacksController < Devise::OmniauthCallbacksController
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def facebook
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# You need to implement the method below in your model (e.g. app/models/user.rb)
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@user = User.from_omniauth(request.env["omniauth.auth"])
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if @user.persisted?
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sign_in_and_redirect @user, event: :authentication #this will throw if @user is not activated
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set_flash_message(:notice, :success, kind: "Facebook") if is_navigational_format?
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else
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session["devise.facebook_data"] = request.env["omniauth.auth"]
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redirect_to new_user_registration_url
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end
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end
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def failure
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redirect_to root_path
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end
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end
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```
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app/models/user.rb
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```
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class User < ApplicationRecord
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has_many :posts, dependent: :destroy
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has_many :likes
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has_many :comments
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# Include default devise modules. Others available are:
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# :confirmable, :lockable, :timeoutable, :trackable and :omniauthable
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devise :database_authenticatable, :registerable,
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:recoverable, :rememberable, :trackable, :validatable, :omniauthable
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validates :name, presence: true, length: { maximum: 50 }
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def self.from_omniauth(auth)
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where(provider: auth.provider, uid: auth.uid).first_or_create do |user|
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user.email = auth.info.email
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user.password = Devise.friendly_token[0, 20]
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user.name = auth.info.name # assuming the user model has a name
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user.image = auth.info.image # assuming the user model has an image
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# If you are using confirmable and the provider(s) you use validate emails,
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# uncomment the line below to skip the confirmation emails.
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# user.skip_confirmation!
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end
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end
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def self.new_with_session(params, session)
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super.tap do |user|
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if data = session["devise.facebook_data"] && session["devise.facebook_data"]["extra"]["raw_info"]
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user.email = data["email"] if user.email.blank?
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end
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end
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end
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end
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```
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+
config/initializers/devise.rb 一部抜粋
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297
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+
```
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config.omniauth :facebook, ENV['FACEBOOK_APP_ID'], ENV['FACEBOOK_APP_SECRET'], token_params: { parse: :json }
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|
|
301
|
+
```
|
|
302
|
+
|
|
303
|
+
＊appIDとシークレットはdotenvに保管して、herokuに直接環境変数を入力しています
|