# 版本说明 nginx 1.20.2， 默认自带 http_auth_request_module
# 模块查看验证 nginx -V (nginx -V| grep 'http_auth_request_module')

'use strict';

const Controller = require('egg').Controller;

class AuthController extends Controller {
  async index() {
    const { ctx } = this;
    ctx.body = 'hi, AuthController';
  }

  async login() {
    const { ctx, service } = this;
    const secrect = Date.now();
    const jwt_token = await service.actionToken.apply(secrect);

    ctx.helper.success();
    // ctx.app.jwt.verify(jwt_token, this.app.config.jwt.secret);

    ctx.body = {
      status: 200,
      secret: jwt_token,
    };
  }

  async authorize() {
    // 获取 POST 传递的参数
    console.log(this.ctx.params);
    // 获取 GET 传递的参数
    console.log(this.ctx.query);
    // 获取通过 cookie 传递的参数
    const isAuthToken = this.ctx.cookies.get('authorize', {
      signed: false,
    });
    console.log('isAuthToken log', isAuthToken);
    // 该代码为兼容 4-2 配置代码
    console.log('x-original-uri', this.ctx.headers['x-original-uri']);

    if (isAuthToken) {
      this.ctx.body = {
        status: 200,
        secret: 'jwt_token',
      };
    } else {
      this.ctx.status = 403;
    }
  }
}

module.exports = AuthController;

server {
    listen 8080;
    server_name localhost;

    #charset koi8-r;

    #access_log  logs/host.access.log  main;
    location = / {
        root index;
        index index.html index.htm;
    }

    location /eggjs {
        if ($http_cookie) {
            set $code_cookie $http_cookie;
        }
        if ($arg_code) {
            set $code_cookie "authorize=$arg_code; Path=/";
        }
        # 指定auth_request
        auth_request /auth;
        proxy_pass http://127.0.0.1:3000/static/index.html;
    }

    # 验证配置
    location /jwt {
        proxy_pass http://localhost:3000/authorize;
    }

    location /scripts {
        proxy_pass http://127.0.0.1:3000/static/scripts/;
    }

    location = /auth {
        internal;
        # $http_cookie
        proxy_set_header Cookie "$code_cookie";

        # 鉴权服务器的地址
        proxy_pass http://localhost:3000/authorize;

        # proxy_pass_request_body off;
        # proxy_set_header Content-Length "";
        # proxy_set_header X-Original-URI $query_string;
        # proxy_set_header X-Original-URI $request_uri;
    }

    #error_page  404              /404.html;

    # redirect server error pages to the static page /50x.html
    #
    error_page 500 502 503 504 /50x.html;
    location = /50x.html {
        root html;
    }
}

auth_request /auth;

# proxy_pass_request_body off;
# proxy_set_header Content-Length "";
# proxy_set_header X-Original-URI $query_string;
# proxy_set_header X-Original-URI $request_uri;

# URL: http://localhost:8080/eggjs?code=202304
# 设置变量 $code_cookie，以便后续使用，此处配置兼容 cookie 与 query 两种写法
if ($http_cookie) {
    set $code_cookie $http_cookie;
}
if ($arg_code) {
    # $arg_code 与 URL上的参数code相对应
    # 即 secrect=202304 应对应 $arg_secrect
    set $code_cookie "authorize=$arg_code; Path=/";
}

# 在此处使用变量 $code_cookie
proxy_set_header Cookie "$code_cookie";

location /eggjs {
    auth_request /auth;
    auth_request_set $auth_status $upstream_status;
    if ($auth_status = "403") {
        return 403;
    }
    proxy_pass http://127.0.0.1:3000/static/index.html;
}