coolkit: NGINX CoolKit Module

Installation

You can install this module in any RHEL-based distribution, including, but not limited to:

• RedHat Enterprise Linux 7, 8, 9
• CentOS 7, 8, 9
• AlmaLinux 8, 9
• Rocky Linux 8, 9
• Amazon Linux 2 and Amazon Linux 2023

yum -y install https://extras.getpagespeed.com/release-latest.rpm
yum -y install nginx-module-coolkit

Enable the module by adding the following at the top of /etc/nginx/nginx.conf:

load_module modules/ngx_coolkit_module.so;

This document describes nginx-module-coolkit v0.2 released on Aug 23 2020.

---

ngx_coolkit is collection of small and useful nginx add-ons.

CONFIGURATION DIRECTIVES:

override_method off | [methods] source (context: http, server, location)

---

Override HTTP method.

default: none

CONFIGURATION VARIABLES:

$remote_passwd

---

Decoded password from "Authorization" header (Basic HTTP Authentication).

$location

---

Name of the matched location block.

EXAMPLE CONFIGURATION #1:

http { server { location / { override_method $arg_method; proxy_pass http://127.0.0.1:8100; } } }

Pass request with changed HTTP method (based on "?method=XXX") to the backend.

EXAMPLE CONFIGURATION #2:

http { upstream database { postgres_server 127.0.0.1 dbname=test user=monty password=some_pass; }

server {
    location = /auth {
        internal;

        set_quote_sql_str  $user $remote_user;
        set_quote_sql_str  $pass $remote_passwd;

        postgres_pass      database;
        postgres_query     "SELECT login FROM users WHERE login=$user AND pass=$pass";
        postgres_rewrite   no_rows 403;
        postgres_output    none;
    }

    location / {
        auth_request       /auth;
        root               /files;
    }
}

}

Restrict access to local files by authenticating against SQL database.

Required modules (other than ngx_coolkit): - ngx_http_auth_request_module, - ngx_postgres (PostgreSQL) or ngx_drizzle (MySQL, Drizzle, SQLite), - ngx_set_misc.

GitHub

You may find additional configuration tips and documentation for this module in the GitHub repository for nginx-module-coolkit.