1

我正在使用 ominauth 在我的 Rails 应用程序中注册用户。我也有一个带有电子邮件地址的基本注册选项。因此，对于两个用户，我都必须在我的文件系统中保存上传用户图片显示。

FB 使用图形 API 以这种格式发送图像

http://graph.facebook.com/100007619644580/picture?type=large

如何将其保存在我存储所有用户图像的公共文件夹中。

我试过

directory = "public/data/orig/"
      #name = num1+'_'+params[:upload]['datafile'].original_filename
      name = "new_name_for image"
      path = File.join(directory, name)
      #File.open(path, "wb") { |f| f.write(params[:upload_hover]['datafile'].read) }

      File.open(path, 'wb') do |file|
        file << open('http://graph.facebook.com/100007619644580/picture?type=large').read
      end

但它给了我错误

No such file or directory @ rb_sysopen - http://graph.facebook.com/100007619644580/picture?type=large

如果您有其他解决方案，请告诉我。

4

3 回答 3

3

使用您的模型通过回形针保存您的 Facebook 图像，如下所示：

member model
def self.from_omniauth(auth, signed_in_resource=nil)
    member = Member.where(:provider => auth.provider, :uid => auth.uid).first
    if member
      member.member_pic =  "https://graph.facebook.com/#{auth["uid"]}/picture?type=large"
      member.save
      return member
    else
      registered_member = Member.where(:email => auth.info.email).first
      if registered_member
        return registered_member
      else

        member = Member.create(name:auth.extra.raw_info.name,
          provider:auth.provider,
          uid:auth.uid,
          email:auth.info.email,
          member_pic: "https://graph.facebook.com/#{auth["uid"]}/picture?type=large",
          password:Devise.friendly_token[0,20]
          )
      end    
    end
  end
于 2015-06-10T09:38:24.227 回答
1

感谢您的回答，是的，我可以使用回形针 gem，但我已经在使用 cloudinary 上传图像，所以我不想使用另一个基于图像的 gem 来强制保存来自 fb 用户配置文件的文件。我能够锻炼以下代码更改。

在omniauth.rb

:secure_image_url => true

对于:scope允许我和安全 URL 的最后一个参数。

在我的身份验证控制器中

 img_path = env["omniauth.auth"]["info"]["image"].gsub(/$/,'?type=large')
    require "open-uri"

  num1 = 'logo_'+SecureRandom.hex(5)
  img_name = num1+'_fbimage.jpg'
  directory = "public/data/orig/org"
  path = File.join(directory, img_name)
  File.open(path, 'wb') do |file|
    file << open(img_path).read
  end

require "open-uri"并 :secure_image_url => true为我做了伎俩。

于 2015-06-11T12:38:11.900 回答
0

在omniauth.rb

:secure_image_url => true

真的做事。

我有一个Attachment附加到的多态类user.photo。

这是我的“交互者”和Attachment类片段：

class CreateAttachmentFromUrl
  include Interactor
  require "open-uri"

  ## Create user service object
  # @param url => url
  # @param user => current_user
  def call
    url = context.url
    user = context.user

    file = nil
    begin
      file = URI.open(url)
    rescue => e
      file = File.open('user_avatar.jpeg', 'wb') do |file|
        file << URI.open(url).read
      end
    end

    context.attachment = Attachment.create!({ user: user }) do |a|
      a.data.attach(io: file, filename: 'user_avatar.jpeg')
    end

  rescue => e
    context.fail!(message: e.message)
  end
end

include Rails.application.routes.url_helpers

class Attachment < ApplicationRecord
  has_one_attached :data
  belongs_to :user, required: true
  belongs_to :attachable, polymorphic: true, optional: true

  def url
    if data.attached?
      uri = URI(data.service_url)
      uri.query = nil
      uri.to_s
    else
      nil
    end
  end
end

于 2020-11-30T18:16:41.027 回答