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如何阻止其自身域之外的 API 调用（NGINX）

tag-icon • tag-icon nginx cors
如何阻止其自身域之外的 API 调用（NGINX）

我有一个使用 NGINX 运行的网站，其中有一个 API 和一个 Vue APP，假设 API 位于 api.example.com 上，Vue APP 位于www.example.com并且我有一些不能使用中间件或其他东西的请求，所以我想知道如何防止在 example.com 之外调用 API。

我现在正在使用在 localhost:8080 上运行的 Vue APP 进行测试，我仍然可以访问它。

我当前的 NGINX API 配置是

server {

  server_name api.example.com;
  root /var/www/api/public;

  add_header X-Frame-Options "SAMEORIGIN";
  add_header X-Content-Type-Options "nosniff";

  index index.php;

  charset utf-8;

  location / {
      try_files $uri $uri/ /index.php?$query_string;
  }

  location = /favicon.ico { access_log off; log_not_found off; }
  location = /robots.txt  { access_log off; log_not_found off; }

  error_page 404 /index.php;

  location ~ \.php$ {
      fastcgi_pass unix:/var/run/php/php8.1-fpm.sock;
      fastcgi_param SCRIPT_FILENAME $realpath_root$fastcgi_script_name;
      include fastcgi_params;
  }

  location ~ /\.(?!well-known).* {
      deny all;
  }

  listen [::]:443 ssl ipv6only=on; # managed by Certbot
  listen 443 ssl; # managed by Certbot
  ssl_certificate /etc/letsencrypt/live/api.example.com/fullchain.pem; # managed by Certbot
  ssl_certificate_key /etc/letsencrypt/live/api.example.com/privkey.pem; # managed by Certbot
  include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
  ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
}

我尝试使用

add_header Access-Control-Allow-Origin "https://www.example.com";

但我得到了这个

Access to XMLHttpRequest at 'https://api.example.com/api/what' from origin 'https://www.example.com' has been blocked by CORS policy: The 'Access-Control-Allow-Origin' header contains multiple values '*, https://www.example.com', but only one is allowed.

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