Omniauth Facebook登录重定向注册,如果用户存在
问题描述:
我正在玩omniauth-facebook
宝石通过Facebook帐户登录到设计会议。当我点击“用Facebook登录”链接时,一切都会好起来:创建一个新帐户,我登录并弹出消息,确认我的新会话(非常好!)。Omniauth Facebook登录重定向注册,如果用户存在
问题:但是,当一个帐户已经存在,点击链接后,我被重定向到user/sign_up
页面。我一直在关注Devise wiki的this documentation。关于类似错误here,here,here和here有很多文档。然而,每个解决方案都已经在我的应用程序中实现了(据我所知)或者(在最后一个链接的情况下)似乎是基于一个旧的配置模型,这个模型与wiki有很大不同,米不知道它适用。
我最好的猜测是,它是与回调的控制器,如@user.persisted?
似乎来了false.This使我相信,我的@user
定义是不正确的。请看下图:
class Users::OmniauthCallbacksController < Devise::OmniauthCallbacksController
def facebook
logger.debug "Inside facebook"
# You need to implement the method below in your model (e.g. app/models/user.rb)
@user = User.from_omniauth(request.env["omniauth.auth"])
logger.debug "User is #{@user}"
if @user.persisted?
logger.debug "@user.persisted?"
debugger
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?
logger.debug "user exists"
else
session["devise.facebook_data"] = request.env["omniauth.auth"]
redirect_to new_user_registration_url
end
end
def failure
redirect_to root_path, alert: "Login failed"
end
end
此外,我的用户模型如下:
class User < ActiveRecord::Base
# Include default devise modules. Others available are:
# :confirmable, :lockable, :timeoutable and :omniauthable
devise :database_authenticatable, :registerable,
:recoverable, :rememberable, :trackable, :validatable, :omniauthable, :omniauth_providers => [:facebook]
def self.from_omniauth(auth)
where(provider: auth.provider, uid: auth.uid).first_or_create do |user|
user.provider = Devise.friendly_token[0,20]
user.email = auth.info.email
user.password = Devise.friendly_token[0,20]
user.fname = auth.info.first_name
user.lname = auth.info.last_name
end
end
end
任何建议将是当然欢迎!提前致谢。
答
from_omniauth
从来没有找到现有的Facebook用户,因为要覆盖提供商属性:
where(provider: auth.provider, uid: auth.uid).first_or_create do |user|
搜索,在这种情况下,提供“Facebook的用户,但没有可以发现:
user.provider = Devise.friendly_token[0,20]
将供应商更改为一些随机令牌
只是删除该行,它应该正常工作
答
尝试这样的事情
class Authentication < ActiveRecord::Base
belongs_to :user
# validates :provider, :uid, :presence => true
def self.from_omniauth(auth)
authenticate = where(provider: auth[:provider], :uid=>auth[:uid]).first_or_initialize
if authenticate.user
authenticate.provider = auth[:provider]
authenticate.uid =auth[:uid]
else
user = User.find_or_initialize_by(:email => email)
authenticate.provider = auth[:provider]
user.email = email
user.first_name = first_name
user.last_name = last_name
user.social_image = image
user.password = Devise.friendly_token.first(8)
user.save(validate: false)
if user.errors.any?
return user
else
authenticate.user_id = user.id
end
end
authenticate.save
authenticate.user
end
end
答
试试这个
def after_sign_in_path_for(resource)
super resource
end
从我感觉到,你是不是打算着陆页
你有'after_sign_in_path_for'方法在任何地方你项目? – chumakoff