<?php
// Hotlink Log and Image Watermarking Script
// Copyright (C) 2005  SillyJokes.co.uk


// Break a logfile line into an array
function MungLogLine($buf)
{
	$retval = array();

	// can't use explode to break down the string, because the referrer may contain commas

	$cpos = strpos($buf,',');
	if ($cpos === FALSE)
	{
		return FALSE;
	}
	$retval['filename'] = substr($buf,0,$cpos);
	$cpos++;	// skip comma
	$cposa = strpos($buf,',',$cpos);	// find next comma
	if ($cposa === FALSE)
	{
		return FALSE;
	}
	$retval['time'] = substr($buf,$cpos,$cposa-$cpos);
	$cpos = $cposa+1;
	//echo "remain: ".substr($buf,$cpos)."<br/>";
	$cposa = strpos($buf,',',$cpos);
	if ($cposa === FALSE)
	{
		return FALSE;
	}
	$retval['action'] = substr($buf,$cpos,$cposa-$cpos);
	//echo "action: $retval[action]<br/>";
	$cposa++;	// skip comma
	$retval['referrer'] = substr($buf,$cposa);//,strlen($buf)-$cposa);
	
	return $retval;
}

// function copied from hotlinklog.php
function EntryTooOld($time)
{
	$now = time();
	
	if(($now-$time)>ONEDAY)
	{
		return TRUE;
	}
	
	return FALSE;
}

function ExtractDomain($guff)
{
	$url = str_replace("http://","",$guff);
	$urlComponents = explode("/",$url);
	return $urlComponents[0];
}


// returns string formatted as KB, MB etc.
define('KILOBYTE',1024);
define('MEGABYTE',1048576);
function ByteFormat($bytes)
{
	if ($bytes<1024)
	{
		return number_format($bytes);
	}
	
	if ($bytes<MEGABYTE)
	{
		return number_format($bytes/KILOBYTE).'KB';
	}
	
	return number_format($bytes/MEGABYTE).'MB';
}
?>