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<?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 <[email protected]> |
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// +---------------------------------------------------------------------- |
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declare (strict_types = 1); |
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namespace think\middleware; |
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use Closure; |
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use think\Config; |
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use think\Request; |
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use think\Response; |
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/** |
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* 跨域请求支持 |
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*/ |
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class AllowCrossDomain |
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{ |
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protected $cookieDomain; |
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protected $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' => 'GET, POST, PATCH, PUT, DELETE, OPTIONS', |
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'Access-Control-Allow-Headers' => 'Authorization, Content-Type, If-Match, If-Modified-Since, If-None-Match, If-Unmodified-Since, X-CSRF-TOKEN, X-Requested-With', |
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]; |
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public function __construct(Config $config) |
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{ |
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$this->cookieDomain = $config->get('cookie.domain', ''); |
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} |
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/** |
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* 允许跨域请求 |
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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 $header |
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* @return Response |
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*/ |
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public function handle($request, Closure $next, ? array $header = []) |
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{ |
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$header = !empty($header) ? array_merge($this->header, $header) : $this->header; |
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if (!isset($header['Access-Control-Allow-Origin'])) { |
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$origin = $request->header('origin'); |
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if ($origin && ('' == $this->cookieDomain || strpos($origin, $this->cookieDomain))) { |
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$header['Access-Control-Allow-Origin'] = $origin; |
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} else { |
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$header['Access-Control-Allow-Origin'] = '*'; |
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} |
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} |
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$method = $_SERVER["REQUEST_METHOD"]; |
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if ($method == "OPTIONS"){ |
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return Response('',200,$header); |
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} |
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return $next($request)->header($header); |
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} |
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} |
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top-think /
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