ruby on rails - Facebook Omniauth + Carrierwave Profile Imag

Question

我有一个应用程序，用户Devise+Omniauth允许用户通过Facebook注册。我还使用Carrierwave允许用户上传自己的个人资料图片并处理从Facebook请求的图像。因此，我在控制器和用户模型中具有以下功能：

user.rb

def self.find_for_facebook_oauth( data, signed_in_resource=nil)
user = User.where(:email => data.info.email).first
unless user
  params =
    {  
      :user =>
      {
        :username => data.uid,
        :email => data.info.email,
        :password => Devise.friendly_token[0,20],
        :user_profile_attributes => 
          {
            :first_name => data.info.first_name,
            :last_name => data.info.last_name,
            :remote_image_url => data.info.image
          },
        :user_auths_attributes =>
        [{
          :uid => data.uid,
          :provider => data.provider
        }]
      }
    }
    user = User.create!(params[:user])
end
return user
end

omniauth_callbacks_controller.rb

def facebook
# You need to implement the method below in your model (e.g. app/models/user.rb)
@user = User.find_for_facebook_oauth(request.env["omniauth.auth"])
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

不幸的是，我一直遇到此错误：

ActiveRecord::RecordInvalid (Validation failed: User profile image could not download file: redirection forbidden: http://graph.facebook.com/813865346/picture?type=square -> https://fbcdn-profile-a.akamaihd.net/hprofile-ak-prn2/t5.0-1/1118622_813865346_1465272585_q.jpg):
app/models/user.rb:68:in `find_for_facebook_oauth'
app/controllers/users/omniauth_callbacks_controller.rb:4:in `facebook'

其中第 68 行user = User.create!(params[:user])

记录params[:user]提供以下值：

Params: {:username=>"*", :email=>"*", :password=>"iePVLt7XEWk4YwPjja6n", :user_profile_attributes=>{:first_name=>"*", :last_name=>"*", :remote_image_url=>"http://graph.facebook.com/*/picture?type=square"}, :user_auths_attributes=>{:uid=>"*", :provider=>"facebook"}}

我需要一些帮助来克服这个错误。

Answer 1

我面临着同样的问题。似乎问题http重定向到https。所以我使用gsub替换它们，如下所示：

user.remote_avatar_url = auth.info.image.gsub('http://','https://')

Answer 2

omniauth-facebook策略可以选择将图片URL更改为安全的httpsURL。

secure_image_url：设置为 true 以对头像图像网址使用 https 在身份验证哈希中返回。

例如，具有安全 url 的图片将在 devise.rb 或 omniauth.rb 中以这种方式请求：

provider :facebook, 'secrets', 'secrets', :secure_image_url => true

https://github.com/mkdynamic/omniauth-facebook#configuring

Answer 3

我同意回答桑迪普·拉克斯曼，问题是http必须用https替换，因为是来自Facebook的安全图像，我们可以使用gsub #ref ruby-doc

user.remote_avatar_url = auth.info.image.gsub('http:','https:')

或使用sub

user.remote_avatar_url = auth.info.image.sub('http:','https:')