user nginx;
worker_processes auto;

error_log /var/log/nginx/error.log notice;
pid /var/run/nginx.pid;

events {
    worker_connections 1024;
}

http {
    log_format main '[$time_local] $proxy_protocol_addr "$http_referer" "$http_user_agent"';
    access_log /var/log/nginx/access.log main;

    map $http_upgrade $connection_upgrade {
        default upgrade;
        ""      close;
    }

    map $proxy_protocol_addr $proxy_forwarded_elem {
        ~^[0-9.]+$        "for=$proxy_protocol_addr";
        ~^[0-9A-Fa-f:.]+$ "for=\"[$proxy_protocol_addr]\"";
        default           "for=unknown";
    }

    map $http_forwarded $proxy_add_forwarded {
        "~^(,[ \\t]*)*([!#$%&'*+.^_`|~0-9A-Za-z-]+=([!#$%&'*+.^_`|~0-9A-Za-z-]+|\"([\\t \\x21\\x23-\\x5B\\x5D-\\x7E\\x80-\\xFF]|\\\\[\\t \\x21-\\x7E\\x80-\\xFF])*\"))?(;([!#$%&'*+.^_`|~0-9A-Za-z-]+=([!#$%&'*+.^_`|~0-9A-Za-z-]+|\"([\\t \\x21\\x23-\\x5B\\x5D-\\x7E\\x80-\\xFF]|\\\\[\\t \\x21-\\x7E\\x80-\\xFF])*\"))?)*([ \\t]*,([ \\t]*([!#$%&'*+.^_`|~0-9A-Za-z-]+=([!#$%&'*+.^_`|~0-9A-Za-z-]+|\"([\\t \\x21\\x23-\\x5B\\x5D-\\x7E\\x80-\\xFF]|\\\\[\\t \\x21-\\x7E\\x80-\\xFF])*\"))?(;([!#$%&'*+.^_`|~0-9A-Za-z-]+=([!#$%&'*+.^_`|~0-9A-Za-z-]+|\"([\\t \\x21\\x23-\\x5B\\x5D-\\x7E\\x80-\\xFF]|\\\\[\\t \\x21-\\x7E\\x80-\\xFF])*\"))?)*)?)*$" "$http_forwarded, $proxy_forwarded_elem";
        default "$proxy_forwarded_elem";
    }

    server {
        listen 80;
        return 301 https://$host$request_uri;
    }

    server {
        listen 127.0.0.1:8001 proxy_protocol;
        listen 127.0.0.1:8002 http2 proxy_protocol;
        set_real_ip_from 127.0.0.1;

        location / {
            sub_filter                         $proxy_host $host;
            sub_filter_once                    off;

            proxy_pass                         https://www.lovelive-anime.jp;
            proxy_set_header Host              $proxy_host;

            proxy_http_version                 1.1;
            proxy_cache_bypass                 $http_upgrade;

            proxy_ssl_server_name on;

            proxy_set_header Upgrade           $http_upgrade;
            proxy_set_header Connection        $connection_upgrade;
            proxy_set_header X-Real-IP         $proxy_protocol_addr;
            proxy_set_header Forwarded         $proxy_add_forwarded;
            proxy_set_header X-Forwarded-For   $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_set_header X-Forwarded-Host  $host;
            proxy_set_header X-Forwarded-Port  $server_port;

            proxy_connect_timeout              60s;
            proxy_send_timeout                 60s;
            proxy_read_timeout                 60s;

            resolver 1.1.1.1;
        }
    }
}