从 Apache .htaccess 到 nginx 的 CORS 规则覆盖 [英] CORS rules coversion from Apache .htaccess to nginx

问题描述

目前我有这些 .htaccess 规则在我的 Apache 服务器上完美运行:

Presently I have these .htaccess rules working perfectly on my Apache server:

<IfModule mod_headers.c>
    SetEnvIf Origin "https://(www\.)?(domain.com|beta.domain.com|domain.loc)$" AccessControlAllowOrigin=$0
    Header set Access-Control-Allow-Origin %{AccessControlAllowOrigin}e env=AccessControlAllowOrigin
    Header set Access-Control-Allow-Headers "Origin, X-Requested-With, Content-Type, Accept, X-CSRF-Token, X-XSRF-TOKEN"
    Header set Access-Control-Allow-Methods "GET, POST, PUT, DELETE, OPTIONS"
    Header set Access-Control-Allow-Credentials true
</IfModule>

<IfModule mod_rewrite.c>
    RewriteCond %{HTTP:Authorization} .
    RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
</IfModule>

最近决定切换到 nginx 要求我们实现相同的.我仍然对它的内部结构有所了解，真的需要帮助将其转换为 nginx 配置对应物.

Recent decision to switch to nginx requires us to implement the same. I'm still getting a hang of its internals and really need help converting this into its nginx config counterpart.

到目前为止我尝试过的:

server {
    listen 80;
    listen [::]:80;
    listen 443 ssl http2;
    listen [::]:443 ssl http2;

    include snippets/self-signed.conf;
    include snippets/ssl-params.conf;

    server_name api.mydomain.loc;

    root /var/www/mydomain/api/public;

    index index.html index.htm index.php;

    location / {
        if ($http_origin ~* https://(www\.)?(mydomain.loc)) {
            add_header Access-Control-Allow-Origin $http_origin;
            add_header Access-Control-Allow-Headers "Origin, X-Requested-With, Content-Type, Accept, X-CSRF-Token, X-XSRF-TOKEN";
            add_header Access-Control-Allow-Methods "GET, POST, PUT, DELETE, OPTIONS";
            add_header Access-Control-Allow-Credentials true;
        }

        if ($request_method = 'OPTIONS') {
            add_header 'Access-Control-Max-Age' 1728000;
            add_header 'Content-Type' 'text/plain charset=UTF-8';
            add_header 'Content-Length' 0;
            return 204;
        }

        try_files $uri $uri/ /index.php$is_args$args;
    }

    location ~ \.php$ {
              try_files $uri =404;
              fastcgi_split_path_info ^(.+\.php)(/.+)$;
              fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;
              fastcgi_index index.php;
              fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
              include fastcgi_params;
    }

    location ~ /\.ht {
        deny all;
    }
}

不胜感激.

推荐答案

最简单的 nginx 等价于问题中的 Apache 配置，只需使用 add_header 并将其全部包装在 if 块对 $http_origin 进行正则匹配:

The simplest nginx equivalent of the Apache config in the question would be, just use add_header and wrap it all in anif block that does a regex match against $http_origin:

location / {   
  if ($http_origin ~* https://(www\.)?(domain.com|beta.domain.com|domain.loc)) {
    add_header Access-Control-Allow-Origin $http_origin;
    add_header Access-Control-Allow-Headers "Origin, X-Requested-With, Content-Type, Accept, X-CSRF-Token, X-XSRF-TOKEN";
    add_header Access-Control-Allow-Methods "GET, POST, PUT, DELETE, OPTIONS"
    add_header Access-Control-Allow-Credentials true
  }
  # use $http_authorization to get the value of the Authorization request header
}

额外的 RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}] 你需要用 Apache 做的事情在 nginx 中不是必需的；而是使用 $http_authorization.

The extra RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}] stuff that you need to do with Apache isn’t necessary with nginx; instead just use $http_authorization.

请注意 nginx 中名称以 $http_ 为前缀的变量 是特殊变量:

Note that variables in nginx that have names prefixed with $http_ are special variables:

$http_name
     任意请求头域；变量名的最后一部分是字段名
     转换为小写，破折号由下划线代替

$http_name
      arbitrary request header field; the last part of a variable name is the field name
      converted to lower case with dashes replaced by underscores

因此 $http_origin 为您提供 Origin 请求标头的值，$http_authorization 为您提供 Authorization<的值/code> 请求头等

Thus $http_origin gives you the value of the Origin request header, $http_authorization gives you the value of the Authorization request header, etc.

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