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I have tried every tutorial on the internet and on serverfault regarding this. No matter what I do, CORS is not working in nginx

Here is my example.conf

server {
        root /var/www/html;
        index index.php index.html index.htm index.nginx-debian.html;
        server_name www.arcadesite.io arcadesite.io;

    location = /favicon.ico { log_not_found off; access_log off; }
location = /robots.txt { log_not_found off; access_log off; allow all; }
location ~* \.(css|gif|ico|jpeg|jpg|js|png)$ {
    expires max;
    log_not_found off;
}


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

    location ~ \.php$ {
            include snippets/fastcgi-php.conf;
            fastcgi_pass unix:/var/run/php/php7.2-fpm.sock;
    }

    location ~ /\.ht {
            deny all;
    }

    location ~* \.(eot|ttf|woff|woff2)$ {
    add_header Access-Control-Allow-Origin *;
    }


listen 443 ssl http2;
ssl_certificate /etc/letsencrypt/live/arcadesite.io/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/arcadesite.io/privkey.pem;
include /etc/letsencrypt/options-ssl-nginx.conf;
ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;

include rocket-nginx/default.conf;

} server { if ($host = www.arcadesite.io) { return 301 https://$host$request_uri; }

if ($host = arcadesite.io) { return 301 https://$host$request_uri; } listen 80; server_name www.arcadesite.io arcadesite.io; return 404;include rocket-nginx/default.conf;}
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1 Answer 1

2

Try add this piece of code in location:

 if ($request_method = 'OPTIONS') {
        add_header 'Access-Control-Allow-Origin' '*';
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
        #
        # Custom headers and headers various browsers *should* be OK with but aren't
        #
        add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';
        #
        # Tell client that this pre-flight info is valid for 20 days
        #
        add_header 'Access-Control-Max-Age' 1728000;
        add_header 'Content-Type' 'text/plain; charset=utf-8';
        add_header 'Content-Length' 0;
        return 204;
     }
     if ($request_method = 'POST') {
        add_header 'Access-Control-Allow-Origin' '*';
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
        add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';
        add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range';
     }
     if ($request_method = 'GET') {
        add_header 'Access-Control-Allow-Origin' '*';
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
        add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';
        add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range';
     }
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  • 1
    Modern browsers will drop the connection when 'Access-Control-Allow-Origin' '*' is set to *
    – Pian0_M4n
    Jan 31, 2021 at 8:57

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