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nginx 访问控制源标头已配置但不起作用

tag-icon • tag-icon nginx cors
nginx 访问控制源标头已配置但不起作用

我得到了

XMLHttpRequest cannot load http://website2.com/ads/dev_642e92efb79421734881b53e1e1b18b6/5534f8e14d514_1.html. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://website1.com' is therefore not allowed access.

Website2 使用 nginx 配置：

server {
listen       80;
server_name  website2.com;
root  /var/www/website2;
index index.php index.html index.htm;
#try_files $uri $uri/ /index.php?$args;

client_max_body_size 20M;
location /ads {
    add_header 'Access-Control-Max-Age' 1728000;
    add_header 'Access-Control-Allow-Origin' '*';
    add_header 'Access-Control-Allow-Credentials' 'true';
    add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
    add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
  try_files $uri $uri/ /index.php?$args;
}
location / {
      try_files $uri $uri/ /index.php?$args;
     # proxy_pass http://127.0.0.1:2368/;
     # proxy_set_header Host $host;
     # proxy_buffering off;
}

  gzip             on;
     gzip_vary        on;
     gzip_types       text/javascript text/css text/xml application/xml application/xml+rss;
     gzip_comp_level  9;
     gzip_min_length  100;
     gzip_buffers 16 8k;
     gzip_proxied     expired no-cache no-store private auth;
     gzip_http_version 1.0;
     gzip_disable     "MSIE [1-6]\.";
    location ~* \.(js|css|png|jpg|jpeg|gif|ico)$ {
        expires 24h;
        log_not_found off;
    }
    location ~ \.php$ {
      try_files $uri =404;
      # Fix for server variables that behave differently under nginx/php-fpm than typically expected
      fastcgi_split_path_info ^(.+\.php)(/.+)$;
      # Include the standard fastcgi_params file included with nginx
      include fastcgi_params;
      fastcgi_param HTTPS $https;
      fastcgi_pass_header X_SECURECONNECTION;
      fastcgi_param  PATH_INFO        $fastcgi_path_info;
      fastcgi_index index.php;
      # Override the SCRIPT_FILENAME variable set by fastcgi_params
      fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
      # Pass to upstream PHP-FPM; This must match whatever you name your upstream connection
      fastcgi_pass 127.0.0.1:9000;
    }
#preventing access to git
    location ~ /\.(?:git).* {
       deny all;
       access_log off;
       log_not_found off;
     }
     #preventing access to .htaccess or htpasswd
     location ~ /\.ht.* {
     deny all;
     access_log off;
     log_not_found off;
    }
    server_tokens off;
    if ($request_method !~ ^(GET|HEAD|POST)$ ) {
     return 444;
    }
   location /images/ {
    valid_referers none blocked example.com *.example.com;
    if ($invalid_referer) {
      return   403;
    }
   }

此网页的请求方式如下：1）访问网站 1 的 PHP 文件。2）PHP 文件生成包含网站 2 中的 javascript 文件的 html 网页。3）Javascript 使用 ajax 获取网站 2 中不允许访问的 html，它使用方法 GET。

该过程结束后，服务器地址仍为website1。

我也尝试将其添加到“location /”。

有任何想法吗？

更新：

按照这个操作之后： http://www.html5rocks.com/en/tutorials/cors/

由于 add_header“Access-Control-Allow-Origin”已添加到服务器上下文而不是位置上下文，因此未显示错误。

然而，它经常不起作用。三分之一或更少的请求仍然返回相同的错误：

XMLHttpRequest cannot load http://website2.com/ads/dev_642e92efb79421734881b53e1e1b18b6/5534f8e14d514_1.html. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://website1.com' is therefore not allowed access.

curl -I 显示：

    HTTP/1.1 200 OK
Server: nginx
Date: Wed, 22 Apr 2015 10:30:55 GMT
Content-Type: text/html
Content-Length: 402
Last-Modified: Tue, 21 Apr 2015 09:13:44 GMT
Connection: keep-alive
Vary: Accept-Encoding
ETag: "553614c8-192"
Access-Control-Allow-Origin: *
Accept-Ranges: bytes

答案1

没有代理请求

此区块的：

location /ads {
    proxy_set_header 'Access-Control-Max-Age' 1728000;
    proxy_set_header 'Access-Control-Allow-Origin' '*';
    proxy_set_header 'Access-Control-Allow-Credentials' 'true';
    proxy_set_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
    proxy_set_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
  try_files $uri $uri/ /index.php?$args;
}

唯一执行任何操作的指令是 try_files - 因为没有发出代理请求。proxy_pass_header仅当代理密码也可以使用；但它会将标头发送到代理服务器，不是因此客户端与 CORS 无关。

使用 add_header

您正在寻找的指令是添加标题- 一个有效的例子是：

location /ads {
    add_header "Access-Control-Allow-Origin" "*";
    ...
    try_files $uri $uri/ /index.php?$args;
}

这会将标头添加到发送回客户端（浏览器）的响应中。

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