103 lines
3.6 KiB
PHP
103 lines
3.6 KiB
PHP
<?php
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declare(strict_types=1);
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namespace app\common\middleware;
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use Webman\MiddlewareInterface;
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use Webman\Http\Request;
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use Webman\Http\Response;
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/**
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* 跨域请求支持（Webman 迁移版）
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* 安全起见，只支持配置中的域名
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*/
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class AllowCrossDomain implements MiddlewareInterface
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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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* 返回 CORS 预检（OPTIONS）响应，供路由直接调用（Webman 未匹配路由时不走中间件）
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*/
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public static function optionsResponse(Request $request): Response
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{
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$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, PUT, DELETE, PATCH, OPTIONS',
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'Access-Control-Allow-Headers' => 'Content-Type, Authorization, batoken, ba-user-token, think-lang, lang',
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];
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$origin = $request->header('origin');
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if (is_array($origin)) {
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$origin = $origin[0] ?? '';
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}
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$origin = is_string($origin) ? trim($origin) : '';
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if ($origin !== '') {
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$info = parse_url($origin);
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$host = $info['host'] ?? '';
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$corsDomain = array_map('trim', explode(',', config('buildadmin.cors_request_domain', '')));
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$corsDomain[] = $request->host(true);
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$allowed = in_array('*', $corsDomain)
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|| in_array($origin, $corsDomain)
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|| in_array($host, $corsDomain)
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|| ($host === 'localhost' || $host === '127.0.0.1');
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if ($allowed) {
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$header['Access-Control-Allow-Origin'] = $origin;
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// 回显浏览器在预检中声明的请求头，避免白名单遗漏导致 CORS 失败
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$reqHeaders = $request->header('access-control-request-headers', '');
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if (is_array($reqHeaders)) {
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$reqHeaders = $reqHeaders[0] ?? '';
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}
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if (is_string($reqHeaders) && trim($reqHeaders) !== '') {
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$header['Access-Control-Allow-Headers'] = $reqHeaders;
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}
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}
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}
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return response('', 204, $header);
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}
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public function process(Request $request, callable $handler): Response
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{
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$path = trim($request->path(), '/');
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if (!str_starts_with($path, 'api/') && !str_starts_with($path, 'admin/')) {
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return $handler($request);
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}
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$header = $this->header;
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$origin = $request->header('origin');
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if (is_array($origin)) {
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$origin = $origin[0] ?? '';
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}
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$origin = is_string($origin) ? trim($origin) : '';
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if ($origin !== '') {
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$info = parse_url($origin);
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$host = $info['host'] ?? '';
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$corsDomain = array_map('trim', explode(',', config('buildadmin.cors_request_domain', '')));
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$corsDomain[] = $request->host(true);
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$allowed = in_array('*', $corsDomain)
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|| in_array($origin, $corsDomain)
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|| in_array($host, $corsDomain)
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|| ($host === 'localhost' || $host === '127.0.0.1');
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if ($allowed) {
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$header['Access-Control-Allow-Origin'] = $origin;
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}
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}
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if ($request->method() === 'OPTIONS') {
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return response('', 204, $header);
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}
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$response = $handler($request);
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return $response->withHeaders($header);
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}
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}
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