Errno::ECONNREFUSED无法打开到 :80 的 TCP 连接 - 经过身份验证的请求失败

问题描述

使用共享的 Auth0 登录凭据成功运行 Rails 6 应用程序后， 我正在构建我的第一个 Rails 6 + Auth0 API (https://auth0.com/blog/building-secure-apis-with-rails-6-and-auth0/)。

我创建了一个名为“chirps”的简单服务器应用程序，这是控制器：

* -> *' * In the type 

问题 - 经过身份验证的请求失败：

class ApplicationController < ActionController::API
end

class SecuredController < ApplicationController
    before_action :authorize_request
  
    private
  
    def authorize_request
        AuthorizationService.new(request.headers).authenticate_request!
    rescue JWT::VerificationError,JWT::DecodeError
        render json: { errors: ['Not Authenticated'] },status: :unauthorized
    end
end

class ChirpsController < SecuredController
    # Comment this for a fully private API
    skip_before_action :authorize_request,only: [:index,:show]

    def index
      chirps = Chirp.all
      render json: chirps
    end
  
    def show
      chirp = Chirp.find(params[:id])
      render json: chirp
    rescue ActiveRecord::RecordNotFound
      head :not_found
    end
  
    def create
      chirp = Chirp.create!(chirp_params)
      render json: chirp,status: :created
    end
  
    def destroy
      chirp = Chirp.find(params[:id])
      chirp.delete
      head :no_content
    end
  
    private
  
    def chirp_params
      params.permit(:body,:published)
    end
  end

卷曲响应（第一部分）：

curl -H “Content-Type: application/json” -H “Authorization: bearer $API_TOKEN” -d ‘{“body”:“this is my first chirp!”,“published”:true}’ -X POST http://localhost:3000/chirps

Rails 服务器响应：

{"status":500,"error":"Internal Server Error","exception":"#\u003cErrno::ECONNREFUSED: Failed to open TCP connection to :80 (Connection refused - connect(2) for nil port 80)\u003e","traces":{"Application Trace":[{"exception_object_id":16740,"id":11,"trace":"app/lib/json_web_token.rb:19:in `jwks_hash'"},{"exception_object_id":16740,"id":12,"trace":"app/lib/json_web_token.rb:14:in `block in verify'"},"id":17,"trace":"app/lib/json_web_token.rb:7:in `verify'"}

我的环境是WSL2下的Ubuntu 20.04.1 LTS：

Errno::ECONNREFUSED (Failed to open TCP connection to :80 (Connection refused - connect(2) for nil port 80)):

app/lib/json_web_token.rb:19:in jwks_hash'** **app/lib/json_web_token.rb:14:in block in verify’
app/lib/json_web_token.rb:7:in verify'** **app/services/authorization_service.rb:20:in verify_token’
app/services/authorization_service.rb:8:in authenticate_request!'** **app/controllers/secured_controller.rb:7:in authorize_request’
127.0.0.1 - - [02/Jan/2021:12:54:19 IST] “POST /chirps HTTP/1.1” 500 19247
- -> /chirps

Rails 服务器：

PS C:\Users\YOLA> wsl -l -v
NAME STATE VERSION
Ubuntu Running 2

我对此很陌生，所以我不完全理解它为什么会失败。

尤尼

解决方法

确保在将 auth0_domain 秘密传递给 rails 应用程序时已设置它。

如果该值为空，它将使您的初始字符串成为无效的 URL，即 "https://#{Rails.application.secrets.auth0_domain}/.well-known/jwks.json" 变成 "https:///.well-known/jwks.json"。

在 my case 中，我使用了一个空的环境变量，它返回了 nil：

ENV['AUTH0_DOMAIN']
=> nil

希望这个回答对你有帮助！