server {
    listen 80;
    listen [::]:80;
    server_name ip.343.re; # 改为自己的域名
    location / {
        if ($http_user_agent !~* (curl|wget)) {
            return 301 https://$server_name$request_uri;
        }
        proxy_set_header X-Real-IP $remote_addr;
        proxy_pass http://127.0.0.1:1601;
    }
}

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name ip.343.re; # 改为自己的域名
    ssl_certificate /etc/ssl/certs/343.re/fullchain.pem; # 改为自己的证书
    ssl_certificate_key /etc/ssl/certs/343.re/privkey.pem;
    location / {
        proxy_set_header X-Real-IP $remote_addr;
        proxy_pass http://127.0.0.1:1601;
    }
}

server {
    listen 127.0.0.1:1601;
    set $this 127.0.0.1:1601;
    set_real_ip_from 0.0.0.0/0;
    real_ip_header X-Real-IP;

    root /var/www/echoIP;
    error_page 403 404 = /error.html;

    location = /ua {
        if ($http_user_agent ~* (curl|wget)) {
            return 200 $http_user_agent\n;
        }
        default_type application/json;
        return 200 $http_user_agent;
    }

    location = / {
        set $query_param ?justip=true&cli=true;
        if ($http_user_agent ~* (curl|wget)) {
            proxy_pass http://$this/query$query_param;
        }
        index index.html;
    }

    location = /ip {
        set $query_param ?justip=true;
        if ($http_user_agent ~* (curl|wget)) {
            set $query_param $query_param&cli=true;
        }
        proxy_pass http://$this/query$query_param;
    }

    location = /version {
        set $query_param ?version=true;
        if ($http_user_agent ~* (curl|wget)) {
            set $query_param $query_param&cli=true;
        }
        proxy_pass http://$this/query$query_param;
    }

    location ~* ^/([^/]+?)$ {
        set $request_ip $1;
        if ($http_user_agent ~* (curl|wget)) {
            proxy_pass http://$this/info/$request_ip;
        }
    }

    location ^~ /info {
        set $is_legal 0;
        set $query_param ?cli=false;
        if ($http_user_agent ~* (curl|wget)) {
            set $query_param ?cli=true;
        }
        if ($uri ~* ^/info/?$) {
            set $is_legal 1;
        }
        if ($uri ~* ^/info/([^/]+?)$) {
            set $is_legal 1;
            set $query_param $query_param&ip=$1;
        }
        if ($is_legal = 0) {
            set $query_param $query_param&error=true;
        }
        proxy_pass http://$this/query$query_param;
    }

    location = /query {
        include fastcgi_params;
        fastcgi_pass 127.0.0.1:9000;
        fastcgi_param SCRIPT_FILENAME /var/www/echoIP/backend/queryInfo.php;
    }
}