#!/usr/bin/php4 -q
<?php
/*
 $Id: rawstat.daily,v 1.4 2005/05/11 15:39:34 arnaud-lb Exp $
 ----------------------------------------------------------------------
 AlternC - Web Hosting System
 Copyright (C) 2002 by the AlternC Development Team.
 http://alternc.org/
 ----------------------------------------------------------------------
 Based on:
 Valentin Lacambre's web hosting softwares: http://altern.org/
 ----------------------------------------------------------------------
 LICENSE

 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License (GPL)
 as published by the Free Software Foundation; either version 2
 of the License, or (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 To read the license please visit http://www.gnu.org/copyleft/gpl.html
 ----------------------------------------------------------------------
 Original Author of file: Arnaud lb
 Purpose of file: Provides raw statistics to members
 ----------------------------------------------------------------------
*/

require("/var/alternc/bureau/class/local.php");
$FILES_OWNER = 33;
$APACHE_LOG = '/var/log/apache/access.log.1';
umask(0177);
$hosts = array();
$nolog_hosts = array();
$LOGS_SUFIX='.log';//For testing

if (!mysql_connect($L_MYSQL_HOST,$L_MYSQL_LOGIN,$L_MYSQL_PWD)) {
	echo "Cannot connect to Mysql !\n";
	return 1;
}

if (!mysql_select_db($L_MYSQL_DATABASE)) {
	echo "Cannot connect to Mysql database $L_MYSQL_DATABASE !\n";
	return 1;
}

$query = "SELECT mid,folder,hostname FROM stats2 ORDER BY CHAR_LENGTH(hostname) ASC";
$result = mysql_query($query);
if (mysql_errno()) {
	echo 'MySQL error: '.mysql_error()."\n";
}

//Fetch the list of raw stats, and caching some data
while ($row = mysql_fetch_assoc($result)) {
	$hosts[$row['hostname']] = array(
		'mid'=>$row['mid'],
		'log_files'=>array(
			$row['folder'].'/'.$row['hostname'].$LOGS_SUFIX =>''
		)
	);
	
	//A log line with host.test.com should go to the test.com's log file too, if the member want logs for host.test.com and test.com.
	$parent_host = $row['hostname'];
	while ($pos = strpos($parent_host, '.')) {
		$parent_host = substr($parent_host, $pos+1);
		if (!isset($hosts[$parent_host])) {
			continue;
		}
		//link the parent-hostnames's log-files in this host
		$parent_log_files = array_keys($hosts[$parent_host]['log_files']);
		foreach($parent_log_files as $parent_log_file) {
			$hosts[$row['hostname']]['log_files'][$parent_log_file] = &$hosts[$parent_host]['log_files'][$parent_log_file];
		}

		break;
	}
}

//Open apache log file
if (!$apache_log_file = fopen($APACHE_LOG, 'r')) {
	return 1;
}

//Parsing log file
while ($line = fgets($apache_log_file)) {

	//Get the hostname in this log line
	//assume that hostname is at end of line and separated with a space
	$host = substr($line, strrpos($line, ' ')+1, -1);

	if (is_null($hosts[$host])) {
		unset($hosts[$host]);
		$nolog_hosts[$host]='';
		continue;
	}

	if (isset($nolog_hosts[$host])) {
		continue;
	}

	//If hostname is not listed in hostnames to log, link it to a listed parent if exists.
	//Processed only one time by not listed hostname
	if (!isset($hosts[$host])) {
		$parent_host = $host;
		while ($pos = strpos($parent_host, '.')) {
			$parent_host = substr($parent_host, $pos+1);
			if (isset($nolog_hosts[$parent_host])) {
				$pos = false;
				break;
			}
			if (is_null($hosts[$parent_host])) {
				unset($hosts[$parent_host]);
				$nolog_hosts[$parent_host]='';
				$pos = false;
				break;
			}
			if (isset($hosts[$parent_host])) {
				//link this host to the parent hostname
				$hosts[$host] = &$hosts[$parent_host];
				break;
			}
		}
		if ($pos === false) {
			//We will not have to search again for this host
			$nolog_hosts[$host]='';
			continue;
		}
	}

	$log_files = array_keys($hosts[$host]['log_files']);
	if (count($log_files) < 1) {
		$hosts[$host] = null;
		unset($hosts[$host]);
		$nolog_hosts[$host]='';
		continue;
	}

	foreach($log_files as $log_file) {

		if (is_null($hosts[$host]['log_files'][$log_file])) { 
			// has been set to null throught a reference for a future unset
			unset($hosts[$host]['log_files'][$log_file]);
			continue;
		}

		//file isn't opened yet
		if (!is_resource($hosts[$host]['log_files'][$log_file])) {
	
			//Log file doesn't exists, we create an empty one with good owner and perms
			if (!file_exists($log_file)) {
				if (!touch($log_file)) {
					$hosts[$host]['log_files'][$log_file] = null;
					unset($hosts[$host]['log_files'][$log_file]);
					continue;
				}
				if (!chgrp($log_file, (int)$hosts[$host]['mid'])) {
					unlink($log_file);
					$hosts[$host]['log_files'][$log_file] = null;
					unset($hosts[$host]['log_files'][$log_file]);
					continue;
				}
				if (!chown($log_file, (int)$FILES_OWNER)) {
					unlink($log_file);
					$hosts[$host]['log_files'][$log_file] = null;
					unset($hosts[$host]['log_files'][$log_file]);
					continue;
				}
			}
	
			//Open the log file
			if (!$hosts[$host]['log_files'][$log_file] = fopen($log_file, 'a')) {
				$hosts[$host]['log_files'][$log_file] = null;
				unset($hosts[$host]['log_files'][$log_file]);
				continue;
			}
		}

		//Write the log line
		if (!fwrite($hosts[$host]['log_files'][$log_file], $line)) {
			fclose($hosts[$host]['log_files'][$log_file]);
			$hosts[$host]['log_files'][$log_file] = null;
			unset($hosts[$host]['log_files'][$log_file]);
		}
	}
}

//Close all opened files
$hostnames = array_keys($hosts);
while ($host = array_pop($hostnames)) {
	if (is_null($hosts[$hostname]['log_files'])) {
		unset($hosts[$hostname]['log_files'][$log_file]);
		continue;
	}
	$log_files = array_keys($hosts[$hostname]['log_files']);
	while ($log_file = array_pop($log_files)) {
		if (is_null($hosts[$hostname]['log_files'][$log_file])) {
			unset($hosts[$hostname]['log_files'][$log_file]);
			continue;
		}
		if (is_resource($hosts[$hostname]['log_files'][$log_file])) {
			fclose($hosts[$hostname]['log_files'][$log_file]);
			$hosts[$hostname]['log_files'][$log_file] = null;
			unset($hosts[$hostname]['log_files'][$log_file]);
		}
	}
	$hosts[$hostname] = null;
	unset($hosts[$hostname]);
}

fclose($apache_log_file);

return 0;
?>