67 lines
2.2 KiB
PHP
67 lines
2.2 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2021 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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declare (strict_types=1);
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namespace app\common\middleware;
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use Closure;
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use think\Request;
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use think\Response;
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use think\facade\Config;
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/**
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* 跨域请求支持
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* 安全起见，只支持了配置中的域名
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*/
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class AllowCrossDomain
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{
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protected array $header = [
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'Access-Control-Allow-Credentials' => 'true',
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'Access-Control-Max-Age' => 1800,
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'Access-Control-Allow-Methods' => '*',
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'Access-Control-Allow-Headers' => '*',
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];
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/**
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* 跨域请求检测
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* @access public
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* @param Request $request
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* @param Closure $next
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* @param array|null $header
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* @return Response
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*/
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public function handle(Request $request, Closure $next, ?array $header = []): Response
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{
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$header = !empty($header) ? array_merge($this->header, $header) : $this->header;
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$origin = $request->header('origin');
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if ($origin && !isset($header['Access-Control-Allow-Origin'])) {
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$info = parse_url($origin);
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// 获取跨域配置
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$corsDomain = explode(',', Config::get('buildadmin.cors_request_domain'));
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$corsDomain[] = $request->host(true);
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if (in_array("*", $corsDomain) || in_array($origin, $corsDomain) || (isset($info['host']) && in_array($info['host'], $corsDomain))) {
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$header['Access-Control-Allow-Origin'] = $origin;
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}
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}
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if ($request->isOptions()) {
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return response('', 204, $header);
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}
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$request->allowCrossDomainHeaders = $header;
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return $next($request)->header($header);
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}
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}
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