nginx配置动态跨域支持

青旅半醒 2022-11-30 15:58 304阅读 0赞

## `nginx`配置动态跨域支持 ##

upstream web {
      server my-server-1:3005 max_fails=1 fail_timeout=10s;
      server my-server-2:3005 max_fails=1 fail_timeout=10s;
    }
    
    upstream api {
      server my-server-1:3006 max_fails=1 fail_timeout=10s;
      server my-server-2:3006 max_fails=1 fail_timeout=10s;
    }
    
    server {
      listen 80;
      listen       443 ssl;
    
      ssl_certificate    /etc/nginx/conf.d/cert/wildcard.mysite.pem;
      ssl_certificate_key    /etc/nginx/conf.d/cert/wildcard.mysite.key;
      location / {
           proxy_pass http://web;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      }
    
      location ~^/(api) {
        proxy_pass http://api;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    
        if ($http_origin ~* (^(https?://(?:.+\.)?mysite\.com)$)) {
          set $cors "CORS";
          set $cors_method "${cors}_${request_method}";
        }
    
        if ($cors_method = "CORS_OPTIONS") {
          add_header 'Access-Control-Allow-Origin' '$http_origin';
          add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS';
          #
          # Custom headers and headers various browsers *should* be OK with but aren't
          #
          add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
          #
          # Tell client that this pre-flight info is valid for 20 days
          #
          add_header 'Access-Control-Max-Age' 1728000;
          add_header 'Content-Type' 'text/plain charset=UTF-8';
          add_header 'Content-Length' 0;
          return 204;
        }
    
        if ($cors = "CORS") {
          add_header 'Access-Control-Allow-Origin' '$http_origin';
          add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS';
          add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
        }
      }
    }