<?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) 2006~2025 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 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 $request, Closure $next, array $header = []): Response
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{
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$header = !empty($header) ? array_merge($this->header, $header) : $this->header;
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if (!isset($header['Access-Control-Allow-Origin'])) {
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$origin = $request->header('origin');
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if ($origin && ('' == $this->cookieDomain || str_contains($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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return $next($request)->header($header);
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}
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}
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