我使用https://github.com/plataformatec/devise/wiki/OmniAuth%3a-Overview集成了omniauth-facebook 。但我收到以下错误：
Could not authenticate you from Facebook because "Invalid credentials".
我已经安装了设计。当我点击 facebook 登录链接时，它会将我重定向到 facebook 登录。当我输入我的详细信息时，它会返回设计符号并给出上述错误。我在https://github.com/plataformatec/devise/wiki/OmniAuth%3a-Overview上检查了“无效凭据”的解决方案，并且我的应用程序的标头设置为 App Type = Web。不明白为什么它不起作用。
我的应用程序也已上线，但尚未获得 facebook 的批准。但我认为这与此错误无关。以下是我为omniauth-facebook 所做的事情：
Gemfile 包含：
gem 'omniauth'
gem 'omniauth-facebook', '1.4.0'
在用户模型中，添加：
devise :omniauthable, :omniauth_providers => [:facebook]
attr_accessible :provider, :uid
def self.find_for_facebook_oauth(auth, signed_in_resource=nil)
user = User.where(:provider => auth.provider, :uid => auth.uid).first
unless user
user = User.create(name:auth.extra.raw_info.name,
provider:auth.provider,
uid:auth.uid,
email:auth.info.email,
password:Devise.friendly_token[0,20]
)
end
user
end
设计.rb
require "omniauth-facebook"
config.omniauth :facebook, "APP_ID", "APP_SECRET", :scope => "offline_access, email"
facebook登录链接：
<%= link_to "Sign in with Facebook", user_omniauth_authorize_path(:facebook) %>
路线.rb：
devise_for :user, :controllers => { :omniauth_callbacks => "omniauth_callbacks" }
Omniauth 控制器：
class Users::OmniauthCallbacksController < Devise::OmniauthCallbacksController
def facebook
@user = User.find_for_facebook_oauth(request.env["omniauth.auth"], current_user)
if @user.persisted?
sign_in_and_redirect @user, :event => :authentication #this will throw if @user is not activated
set_flash_message(:notice, :success, :kind => "Facebook") if is_navigational_format?
else
session["devise.facebook_data"] = request.env["omniauth.auth"]
redirect_to new_user_registration_url
end
end
end
有人可以帮忙吗？