Eval

The module allows saving subrequest response bodies in variables.

Installation

To install the module, use one of the following packages:

• Angie: angie-module-eval

• Angie PRO: angie-pro-module-eval

Loading the Module

Load the module in the main{} context:

load_module modules/ngx_http_eval_module.so;

Example Configuration

server {
    listen 80;
    server_name localhost;

    location / {
        eval_subrequest_in_memory off;
        eval_override_content_type text/plain;
        eval_buffer_size 4k;
        eval $res {
            rewrite ^(/eval_.*/)(.*)$  /$2 break;
            proxy_pass http://127.0.0.1:8081;
        }

        if ($res ~ "access denied") {
            return 403 $res\n;
        }

        proxy_pass http://127.0.0.1:8082;
    }
}

server {
    listen 8081;

    if ($arg_user != 'Legal') {
        return 403 "access denied";
    }
    return 200 OK;
}

server {
    listen 8082;

    location / {
        root /usr/share/angie/html;
    }
}

Additional Information

Version: 2016.06.10

Detailed documentation and source code are available at: openresty/nginx-eval-module