xref: /plugin/botmon/tick.php (revision b2e3bd8b82508cfa5ade59522b8bbcce2cb8568d)
17bd08c30SSascha Leib<?php /* BOTMON PLUGIN HEARTBEAT TICKER SCRIPT */
2cf9f7fe8SSascha Leib
3*b2e3bd8bSSascha Leib	// Note: this script is called in HEAD mode, therefore it can not return any payload.
413c9d29dSSascha Leib
5*b2e3bd8bSSascha Leib	// select the session identifier?
613c9d29dSSascha Leib	$sessionId = $_COOKIE['DokuWiki']  ?? '';
7*b2e3bd8bSSascha Leib	$sessionType = 'dw';
813c9d29dSSascha Leib	if ($sessionId == '') {
9abfc901fSSascha Leib		$sessionId = $_SERVER['REMOTE_ADDR'] ?? '';
10f162e4a9SSascha Leib		if ($sessionId == '127.0.0.1' || $sessionId == '::1') {
11abfc901fSSascha Leib			$sessionId = 'localhost';
12abfc901fSSascha Leib		}
13*b2e3bd8bSSascha Leib		$sessionType = 'ip';
14abfc901fSSascha Leib	}
15abfc901fSSascha Leib
16*b2e3bd8bSSascha Leib	// check if valid session id string:
17*b2e3bd8bSSascha Leib	if (strlen($sessionId) < 46 && !preg_match('/^[\w\d\.:]+$/', $sessionId)) {
18*b2e3bd8bSSascha Leib		$sessionId = 'invalid-session-id';
19*b2e3bd8bSSascha Leib	}
20*b2e3bd8bSSascha Leib
21*b2e3bd8bSSascha Leib	// clean the page ID
22*b2e3bd8bSSascha Leib	$pageId = preg_replace('/[\x00-\x1F]/', "\u{FFFD}", $_GET['p'] ?? '');
23*b2e3bd8bSSascha Leib
24*b2e3bd8bSSascha Leib	// clean the user agent string
25*b2e3bd8bSSascha Leib	$agent = preg_replace('/[\x00-\x1F]/', "\u{FFFD}", $_SERVER['HTTP_USER_AGENT'] ?? '');
26*b2e3bd8bSSascha Leib
27*b2e3bd8bSSascha Leib	/* build the resulting log line */
28cf9f7fe8SSascha Leib	$logArr = Array(
29*b2e3bd8bSSascha Leib		$_SERVER['REMOTE_ADDR'] ?? '', /* Remote IP */
30*b2e3bd8bSSascha Leib		$pageId, /* Page ID */
31abfc901fSSascha Leib		$sessionId, /* Session ID */
32*b2e3bd8bSSascha Leib		$agent /* User agent */
33cf9f7fe8SSascha Leib	);
34cf9f7fe8SSascha Leib
35cf9f7fe8SSascha Leib	/* create the log line */
364cddc661SSascha Leib	$filename = 'logs/' . gmdate('Y-m-d') . '.tck.txt'; /* use GMT date for filename */
37cf9f7fe8SSascha Leib	$line = gmdate('Y-m-d H:i:s'); /* use GMT time for log entries */
38cf9f7fe8SSascha Leib	foreach ($logArr as $val) {
39cf9f7fe8SSascha Leib		$line .= "\t" . $val;
40cf9f7fe8SSascha Leib	};
41cf9f7fe8SSascha Leib
42cf9f7fe8SSascha Leib	/* write the log line to the file */
4387d76396SSascha Leib	$tickfile = fopen($filename, 'a');
44cf9f7fe8SSascha Leib	if (!$tickfile) {
45cf9f7fe8SSascha Leib		http_response_code(500);
46cf9f7fe8SSascha Leib		die("Error: Unable to open log file. Please check file permissions.");
47cf9f7fe8SSascha Leib	}
48cf9f7fe8SSascha Leib	if (fwrite($tickfile, $line . "\n") === false) {
49*b2e3bd8bSSascha Leib		http_response_code(507);
50cf9f7fe8SSascha Leib		fclose($tickfile);
51cf9f7fe8SSascha Leib		die("Error: Could not write to log file.");
52cf9f7fe8SSascha Leib	}
53cf9f7fe8SSascha Leib	fclose($tickfile);
54cf9f7fe8SSascha Leib
55cf9f7fe8SSascha Leib	/* Send "Accepted" header */
56cf9f7fe8SSascha Leib	http_response_code(202);
57cf9f7fe8SSascha Leib	echo "OK";