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100 lines
3.1 KiB
100 lines
3.1 KiB
<?php
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// +----------------------------------------------------------------------
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// | 萤火商城系统 [ 致力于通过产品和服务，帮助商家高效化开拓市场 ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2017~2023 https://www.yiovo.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed 这不是一个自由软件，不允许对程序代码以任何形式任何目的的再发行
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// +----------------------------------------------------------------------
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// | Author: 萤火科技 <admin@yiovo.com>
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// +----------------------------------------------------------------------
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declare (strict_types=1);
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namespace cores\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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* Class AllowCrossDomain
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* @package cores\middleware
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*/
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class AllowCrossDomain
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{
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// cookie的所属域名
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protected $cookieDomain;
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/**
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* 构造方法
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* AllowCrossDomain constructor.
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* @param Config $config
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*/
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public function __construct(Config $config)
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{
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$this->cookieDomain = $config->get('cookie.domain', '');
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}
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/**
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* 获取允许跨域的header参数 [自定义]
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* @return array
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*/
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private function getCustomHeader(): array
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{
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return [
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'Access-Token',
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'storeId',
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'platform',
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];
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}
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/**
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* 获取允许跨域的header参数
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* @return array
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*/
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private function getHeader(): array
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{
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$headers = array_merge([
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'Authorization', 'Content-Type', 'X-CSRF-TOKEN', 'X-Requested-With',
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'If-Match', 'If-Modified-Since', 'If-None-Match', 'If-Unmodified-Since'
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], $this->getCustomHeader());
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return [
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// 允许所有域名访问
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'Access-Control-Allow-Origin' => '*',
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// 允许cookie跨域访问
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'Access-Control-Allow-Credentials' => 'true',
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// 预检请求的有效期
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'Access-Control-Max-Age' => 1800,
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// 允许跨域的方法
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'Access-Control-Allow-Methods' => 'GET, POST, PATCH, PUT, DELETE, OPTIONS',
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// 跨域请求header头
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'Access-Control-Allow-Headers' => implode(',', $headers),
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];
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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|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->getHeader(), $header) : $this->getHeader();
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if (!isset($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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return $next($request)->header($header);
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}
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}
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