<?php

/**
 * This file is part of the Froxlor project.
 * Copyright (c) 2003-2009 the SysCP Team (see authors).
 * Copyright (c) 2010 the Froxlor Team (see authors).
 *
 * For the full copyright and license information, please view the COPYING
 * file that was distributed with this source code. You can also view the
 * COPYING file online at http://files.froxlor.org/misc/COPYING.txt
 *
 * @copyright  (c) the authors
 * @author     Florian Lippert <flo@syscp.org> (2003-2009)
 * @author     Froxlor team <team@froxlor.org> (2010-)
 * @license    GPLv2 http://files.froxlor.org/misc/COPYING.txt
 * @package    Functions
 *
 */

/**
 * Create or modify the AWStats configuration file for the given domain.
 * Modified by Berend Dekens to allow custom configurations.
 *
 * @param logFile
 * @param siteDomain
 * @param hostAliases
 * @return null
 */
function createAWStatsConf($logFile, $siteDomain, $hostAliases, $customerDocroot, $awstats_params = array()) {

	// Generation header
	$header = "## GENERATED BY FROXLOR\n";
	$header2 = "## Do not remove the line above! This tells Froxlor to update this configuration\n## If you wish to manually change this configuration file, remove the first line to make sure Froxlor won't rebuild this file\n## Generated for domain {SITE_DOMAIN} on " . date('l dS \of F Y h:i:s A') . "\n";

	$awstats_dir = makeCorrectDir($customerDocroot.'/awstats/'.$siteDomain.'/');
	if (!is_dir($awstats_dir)) {
		safe_exec('mkdir -p '.escapeshellarg($awstats_dir));
	}
	// chown created folder, #258
	makeChownWithNewStats($awstats_params);
	
	// weird but could happen...
	if (!is_dir(Settings::Get('system.awstats_conf'))) {
		safe_exec('mkdir -p '.escapeshellarg(Settings::Get('system.awstats_conf')));
	}

	// These are the variables we will replace
	$regex = array(
		'/\{LOG_FILE\}/',
		'/\{SITE_DOMAIN\}/',
		'/\{HOST_ALIASES\}/',
		'/\{CUSTOMER_DOCROOT\}/',
		'/\{AWSTATS_CONF\}/'
	);
	$replace = array(
		makeCorrectFile($logFile),
		$siteDomain,
		$hostAliases,
		$awstats_dir,
		makeCorrectDir(Settings::Get('system.awstats_conf'))
	);

	// File names
	$domain_file = makeCorrectFile(Settings::Get('system.awstats_conf').'/awstats.' . $siteDomain . '.conf');
	$model_file = FROXLOR_INSTALL_DIR.'/templates/misc/awstatsmodel/awstats.froxlor.model.conf';
	$model_file = makeCorrectFile($model_file);
	
	// Test if the file exists
	if (file_exists($domain_file)) {
		// Check for the generated header - if this is a manual modification we won't update
		$awstats_domain_conf = fopen($domain_file, 'r');

		if (fgets($awstats_domain_conf, strlen($header)) != $header) {
			fclose($awstats_domain_conf);
			return;
		}

		// Close the file
		fclose($awstats_domain_conf);
	}

	$awstats_domain_conf = fopen($domain_file, 'w');
	$awstats_model_conf = fopen($model_file, 'r');

	// Write the header
	fwrite($awstats_domain_conf, $header);
	fwrite($awstats_domain_conf, preg_replace($regex, $replace, $header2));

	// Write the configuration file
	while (($line = fgets($awstats_model_conf, 4096)) !== false) {
		if (!preg_match('/^#/', $line)
		   && trim($line) != ''
		) {
			fwrite($awstats_domain_conf, preg_replace($regex, $replace, $line));
		}
	}

	fclose($awstats_domain_conf);
	fclose($awstats_model_conf);
}