xref: /plugin/botmon/tick.php (revision 5f2c175958d679ca53e02588b75a13df34a9ace3)
1<?php /* BOTMON PLUGIN HEARTBEAT TICKER SCRIPT */
2
3	// Note: this script is normally called in HEAD mode, therefore it can not return any payload.
4
5	// what is the session identifier?
6	$sessionId = preg_replace('/[\x00-\x1F{};\"\']/', "\u{FFFD}", $_GET['id']) /* clean json parameter */
7		?? session_id()
8		?? $_SERVER['REMOTE_ADDR'];
9
10
11	// clean the page ID
12	$pageId = preg_replace('/[\x00-\x1F]/', "\u{FFFD}", $_GET['p'] ?? '');
13
14	// clean the user agent string
15	$agent = preg_replace('/[\x00-\x1F]/', "\u{FFFD}", $_SERVER['HTTP_USER_AGENT'] ?? '');
16
17	/* build the resulting log line */
18	$logArr = Array(
19		$_SERVER['REMOTE_ADDR'] ?? '', /* Remote IP */
20		$pageId, /* Page ID */
21		$sessionId, /* Session ID */
22		$agent /* User agent */
23	);
24
25	/* create the log line */
26	$filename = 'logs/' . gmdate('Y-m-d') . '.tck.txt'; /* use GMT date for filename */
27	$line = gmdate('Y-m-d H:i:s'); /* use GMT time for log entries */
28	foreach ($logArr as $val) {
29		$line .= "\t" . $val;
30	};
31
32	/* write the log line to the file */
33	$tickfile = fopen($filename, 'a');
34	if (!$tickfile) {
35		http_response_code(500);
36		die("Error: Unable to open log file. Please check file permissions.");
37	}
38	if (fwrite($tickfile, $line . "\n") === false) {
39		http_response_code(507);
40		fclose($tickfile);
41		die("Error: Could not write to log file.");
42	}
43	fclose($tickfile);
44
45	/* Send "Accepted" header */
46	http_response_code(202);
47	echo "OK";