Use nginx proxy to support WeChat web pages authorizing different domain names

laravel5.5

php7.1.0

nginx1.10

overtrue/laravel-wechat

namespace App\Http\Middleware;


use Illuminate\Http\Request;
use Illuminate\Support\Facades\App;
use Illuminate\Support\Facades\Event;
use Overtrue\LaravelWeChat\Events\WeChatUserAuthorized;
use Overtrue\LaravelWeChat\Middleware\OAuthAuthenticate as BaseAuthenticate;

class OAuthAuthenticate extends BaseAuthenticate
{
   
   
    public function handle($request, \Closure $next, $account = 'default', $scopes = null)
    {
        // $account 与 $scopes 写反的情况
        if (is_array($scopes) || (\is_string($account) && str_is('snsapi_*', $account))) {
            list($account, $scopes) = [$scopes, $account];
            $account || $account = 'default';
        }

        $isNewSession = false;
        $sessionKey = \sprintf('wechat.oauth_user.%s', $account);
        $config = config(\sprintf('wechat.official_account.%s', $account), []);
        $officialAccount = app(\sprintf('wechat.official_account.%s', $account));
        $scopes = $scopes ?: array_get($config, 'oauth.scopes', ['snsapi_base']);

        if (is_string($scopes)) {
            $scopes = array_map('trim', explode(',', $scopes));
        }

        $session = session($sessionKey, []);

        if (!$session) {
            if ($request->has('code')) {
                session([$sessionKey => $officialAccount->oauth->user() ?? []]);
                $isNewSession = true;

                Event::fire(new WeChatUserAuthorized(session($sessionKey), $isNewSession, $account));

                return redirect()->to($this->getTargetUrl($request));
            }

            session()->forget($sessionKey);




            //本地和测试环境下使用这个
            if(App::environment()=='local' ||App::environment()=="test"){
                return $officialAccount->oauth->scopes($scopes)->redirect($request->fullUrl());
            }


            $query = $request->getQueryString();

            $question = $request->getBaseUrl().$request->getPathInfo() == '/' ? '/?' : '?';

            $url= $query ? $request->getPathInfo().$question.$query : $request->getPathInfo();

            $url="http://m.baidu.com".$url; //就这一步很重要
            
            return $officialAccount->oauth->scopes($scopes)->redirect($url);
        }

        Event::fire(new WeChatUserAuthorized(session($sessionKey), $isNewSession, $account));

        return $next($request);
    }

   
}

"wechat.oauth.baidu.com"=>OAuthAuthenticate::class

     //在m.baidu.com域名配置下，设置location规则，所有router以/official_account开头的都去wechat.baidu.com下，然后设置跨域
     
     location /official_account/{
        add_header 'Access-Control-Allow-Origin' "$http_origin";
        add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS';
        add_header 'Access-Control-Allow-Headers' 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization,X-CSRF-TOKEN,X-XSRF-TOKEN';
        add_header 'Access-Control-Allow-Credentials' 'true';
        if ($request_method = 'OPTIONS') {
                add_header 'Access-Control-Allow-Origin' "$http_origin";
                add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS';
                add_header 'Access-Control-Allow-Headers' 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization,X-CSRF-TOKEN,X-XSRF-TOKEN';
                add_header 'Access-Control-Allow-Credentials' 'true';
                #add_header 'Access-Control-Max-Age' 1728000; # 20 天
                #add_header 'Content-Type' 'text/html charset=UTF-8';
                #add_header 'Content-Length' 0;
                return 200;
        }
    # 这下面是要被代理的后端服务器，它们就不需要修改代码来支持跨域了
        proxy_pass http://wechat.m.liaorusanshe.com;
        #       proxy_set_header Host $host;  
        proxy_redirect off;
        #proxy_set_header X-Real-IP $remote_addr; 
        #proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_connect_timeout 60;
        proxy_read_timeout 60;
        proxy_send_timeout 60;


    }

         proxy_set_header Host $host;  
         proxy_set_header X-Real-IP $remote_addr; 
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;