nginx & lua

gistfile1.txt

#user  nobody;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
    worker_connections  1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;
    
    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;

    #gzip  on;

    lua_package_path "/opt/openresty/lualib/resty/?.lua;;";

    server {
        listen       80;
        server_name  localhost;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

        location / {
            default_type text/html;
            echo "<a href=\"/whatismyip\">check your IP</a><br>";
            echo "<a href=\"/redirect\">redirect</a><br>";
            echo "<a href=\"/headers\">dump headers</a><br>";
        }

        location /redirect {
            default_type text/html;
            content_by_lua '
                return ngx.redirect("https://www.surfeasy.com", ngx.HTTP_MOVED_TEMPORARILY)
            ';
        }

        location /whatismyip {
            default_type text/html;
            content_by_lua '
                ngx.say(ngx.var.remote_addr)
            ';
        }

        location /headers {
            default_type text/html;
            content_by_lua '
                local h = ngx.req.get_headers()
                for k, v in pairs(h) do
                    ngx.say(k .. ":" .. v .. "<br>")
                end
            ';
        }

        location /auth {
            default_type text/html;
            access_by_lua '
                local redis = require "redis"
                local red = redis:new()
                local ok, err = red:connect("192.168.99.100", 6379)
                if not ok then
                    ngx.log(ngx.ERR, "failed to connect to redis: ", err)
                    return ngx.exit(500)
                end
                local client_ip, err = red:exists(ngx.var.remote_addr)
                ngx.log(ngx.INFO, "client IP:", client_ip)
                if client_ip == 0 then
                    ngx.log(ngx.ERR, "unauthorized IP: ", err)
                    return ngx.exit(401)
                end
            ';
            content_by_lua '
                ngx.say(ngx.var.remote_addr)
            ';
        }

        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }


    }