WebSVN – webcounter – Blame – /trunk/web/index.php

Rev	Author	Line No.	Line
2	daniel-mar	1	<?php
		2
		3	/*
		4	* PHP Counter mit Reloadsperre, Textdatenbank und Graphic-Libary (without Error Images)
		5	* (C) 2010 Daniel Marschall
		6	*/
		7
		8	define('VERSION', '2010-07-05 20:05');
		9
		10	// Usage
		11
		12	// index.php --> shows Counter PNG
		13	// index.php?mode=blind --> only logs the visit and show only a PNG spacer
		14	// index.php?mode=text --> show text only
		15
		16	error_reporting(E_ALL \| E_NOTICE);
		17
		18	$USER = isset($_GET['user']) ? $_GET['user'] : '';
		19	$THEME = isset($_GET['theme']) ? $_GET['theme'] : '';
		20	$MODE = isset($_GET['mode']) ? $_GET['mode'] : '';
		21
		22	$USER = str_replace('.', '', $USER);
		23	$THEME = str_replace('.', '', $THEME);
		24
		25	// Einstellungen
		26
		27	define('USER_DIR', 'data/'.$USER.'/');
		28	define('THEME_DIR', 'themes/'.$THEME.'/');
		29
		30	define('COUNTER_FILE', USER_DIR.'counter.txt');
		31	define('STELLEN', 6);
		32
		33	define('IP_FILE', USER_DIR.'ips.txt');
		34	define('RELOADSPERRE_AKTIV', true);
		35	define('RELOAD_MINUTES', 10);
		36
		37	define('DIGIT_PREFIX', THEME_DIR.'digit_');
		38	define('DIGIT_SUFFIX', '.png');
		39	define('BG_IMG', THEME_DIR.'bg.png');
		40	define('SPACER', 'spacer.png');
		41	define('SETTINGS', 'settings.inc.php');
		42
		43	// Beginn Programmcode
		44
		45	if ($USER == '') {
		46	echo '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">';
		47	echo '<html>';
		48	echo '<head>';
		49	echo '<title>Counter by Daniel Marschall</title>';
		50	echo '<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">';
		51	echo '</head>';
		52	echo '<body>';
		53	echo '<h1>Counter by Daniel Marschall</h1>';
		54	echo '<p>Version '.VERSION.'</p>';
		55	echo '<h2>Usage</h2>';
		56	echo '<p><b>?user=[username]&theme=[theme]</b> -- shows the graphic counter</p>';
		57	echo '<p><b>?user=[username]&mode=text</b> -- shows the text counter</p>';
		58	echo '<p><b>?user=[username]&mode=blind</b> -- shows a hidden spacer image</p>';
		59	echo '<h2>Available themes</h2>';
		60	echo '<ul>';
		61	foreach(glob('themes/*', GLOB_ONLYDIR) as $dir) {
		62	$dir = str_replace('themes/', '', $dir);
		63	echo '<li>'.$dir.'</li>';
		64	}
		65	echo '</ul>';
		66	echo '<h2>Available users</h2>';
		67	echo '<ul>';
		68	foreach(glob('data/*', GLOB_ONLYDIR) as $dir) {
		69	$dir = str_replace('data/', '', $dir);
		70	echo '<li>'.$dir.'</li>';
		71	}
		72	echo '</ul>';
		73	echo '<h2>Want a counter too?</h2>';
		74	echo '<p>Ask Daniel Marschall: info at daniel-marschall dot de.</p>';
		75	echo '</body>';
		76	echo '</html>';
		77	die();
		78	}
		79
		80	if (!is_dir(USER_DIR)) {
		81	die('User "'.$USER.'" does not exist');
		82	}
		83
		84	if (($MODE != 'blind') && ($MODE != 'text')) {
		85	if ((!is_dir(THEME_DIR)) \|\| ($THEME == '')) {
		86	die('Theme "'.$THEME.'" does not exist');
		87	}
		88	if (file_exists(THEME_DIR.SETTINGS)) {
		89	include(THEME_DIR.SETTINGS);
		90	}
		91	}
		92
		93	if (!file_exists(COUNTER_FILE)) {
		94	// Die Datei counter.txt existiert nicht, sie wird neu angelegt und mit dem Wert 0 gef�llt.
		95	$fp = fopen(COUNTER_FILE, 'w');
		96	$zahl = "0";
		97	fputs($fp, $zahl, STELLEN);
		98	fclose($fp);
		99	}
		100
		101	if (!file_exists(IP_FILE)) {
		102	$fp = fopen(IP_FILE, 'w');
		103	fclose($fp);
		104	}
		105
		106	function fetchip()
		107	{
		108	// Source: http://lists.phpbar.de/pipermail/php/Week-of-Mon-20040322/007749.html
		109
		110	$client_ip = (isset($_SERVER['HTTP_CLIENT_IP'])) ? $_SERVER['HTTP_CLIENT_IP'] : '';
		111	$x_forwarded_for = (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : '';
		112	$remote_addr = (isset($_SERVER['REMOTE_ADDR'])) ? $_SERVER['REMOTE_ADDR'] : '';
		113
		114	if (!empty($client_ip))
		115	{
		116	$ip_expl = explode('.',$client_ip);
		117	$referer = explode('.',$remote_addr);
		118	if($referer[0] != $ip_expl[0])
		119	{
		120	$ip=array_reverse($ip_expl);
		121	$return=implode('.',$ip);
		122	}
		123	else
		124	{
		125	$return = $client_ip;
		126	}
		127	}
		128	else if (!empty($x_forwarded_for))
		129	{
		130	if(strstr($x_forwarded_for,','))
		131	{
		132	$ip_expl = explode(',',$x_forwarded_for);
		133	$return = end($ip_expl);
		134	}
		135	}
		136	else
		137	{
		138	$return = $remote_addr;
		139	}
		140	unset ($client_ip, $x_forwarded_for, $remote_addr, $ip_expl);
		141	return $return;
		142	}
		143
		144	function isReloadLocked() {
		145	$rem_addr = fetchip();
		146	@$ip_array = file(IP_FILE);
		147	$reload_dat = fopen(IP_FILE, 'w');
		148	$this_time = time();
		149	$found = false;
		150	for ($i=0; $i<count($ip_array); $i++) {
		151	list($ip_addr, $time_stamp) = explode('\|', $ip_array[$i]);
		152	if ($this_time < ($time_stamp + 60*RELOAD_MINUTES)) {
		153	if ($ip_addr == $rem_addr) {
		154	$found = true;
		155	} else {
		156	fwrite($reload_dat, "$ip_addr\|$time_stamp");
		157	}
		158	}
		159	}
		160	fwrite($reload_dat, "$rem_addr\|$this_time\n");
		161	fclose($reload_dat);
		162	return $found;
		163	}
		164
		165	/////////////////////////////////////////
		166	// Counter-Abfrage
		167	/////////////////////////////////////////
		168
		169	function getCounter() {
		170	if ((!RELOADSPERRE_AKTIV) \|\| (RELOADSPERRE_AKTIV && (!isReloadLocked()))) {
		171	// Es ist ein neuer Besucher
		172	$fp = fopen(COUNTER_FILE, 'r+');
		173	$zahl = fgets($fp, STELLEN);
		174	$zahl++;
		175	rewind($fp);
		176	flock($fp,2);
		177	fputs($fp, $zahl, STELLEN);
		178	flock($fp,3);
		179	fclose($fp);
		180	} else {
		181	// Es handelt sich wahrscheinlich um den gleichen Besucher
		182	$fp = fopen(COUNTER_FILE, 'r');
		183	$zahl = fgets($fp,STELLEN);
		184	fclose($fp);
		185	}
		186
		187	$zahl = sprintf("%0".STELLEN."d", $zahl);
		188
		189	return $zahl;
		190	}
		191
		192	$counter = getCounter();
		193
		194	// No caching
		195	header("HTTP/1.1 200 OK");
		196	header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
		197	header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
		198	header("Cache-Control: no-store, no-cache, must-revalidate");
		199	header("Cache-Control: post-check=0, pre-check=0", false);
		200	header("Pragma: no-cache");
		201
		202	if ($MODE == 'blind') {
		203	header('Content-Type: image/png');
		204
		205	readfile(SPACER);
		206	} else if ($MODE == 'text') {
		207	header('Content-Type: text/plain');
		208
		209	echo number_format ($counter, 0, ',', '.');
		210	} else {
		211	header('Content-Type: image/png');
		212
		213	$im = ImageCreateFromPNG (BG_IMG);
		214	imagesavealpha($im, true);
		215
		216	$offset_x = DIGITS_X_OFFSET;
		217	$offset_y = DIGITS_Y_OFFSET;
		218
		219	for ($i=0; $i<strlen($counter); $i++) {
		220	$digit_im = ImageCreateFromPNG(DIGIT_PREFIX.$counter[$i].DIGIT_SUFFIX);
		221	$digit_w = imagesx($digit_im);
		222	$digit_h = imagesy($digit_im);
		223
		224	ImageCopy($im, $digit_im, $offset_x, $offset_y, 0, 0, $digit_w, $digit_h);
		225	ImageDestroy($digit_im);
		226
		227	$offset_x += $digit_w + DIGITS_SPACER;
		228	}
		229
		230	imagepng($im);
		231	imagedestroy($im);
		232	}
		233
		234	?>

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