<?php

/**
 * Read in a CSV file as taken from the command line arg
 * CSV file needs to be in the same directory as this
 * script for the time being
 *
 * Output is expected to be text representing an ACL
 * declaration that can be copypasta'd into a VCL file.
 *
 * ACL function name will be the header from CSV and
 * IPs will be formatted accordingly.
 */


/**
 * Grab the filename from the command line args
 */
$filename = $argv[1];

$handle = fopen($filename, "r");

$output = "";
$i = 0;

if ($handle !== FALSE) {

	while (($data = fgetcsv($handle)) !== FALSE) {
		//on the first iteration, we'll create the acl function name using the csv header
		if ($i == 0) {
			$output = "acl " . strtolower(str_replace(" ", "_", $data[0])) . " {\n";
		} else {
			$ipstr = explode('/', $data[0]);
			$output .= "  \"$ipstr[0]\"/$ipstr[1];\n";
		}
		$i++;
	}
}

$output .= "}";

if (file_put_contents("acl-convert.txt", $output)) {
	echo "all done!\n";
}

fclose($handle);