xref: /plugin/botmon/pview.php (revision 451abfad91f2735c461ed4299575292c7c711359)
1<?php /* BOT MONITOR PLUGIN PAGE VIEW SCRIPT */
2
3/* parse the JSON payload */
4$json = json_decode($_POST['pageview'], true);
5if (!$json) {
6	http_response_code(400);
7	die("Invalid JSON Data.");
8}
9
10// select the session identifier?
11$sessionId = $_COOKIE['DokuWiki']  ?? '';
12$sessionType = 'dw';
13if ($sessionId == '') {
14	$sessionId = $_SERVER['REMOTE_ADDR'] ?? '';
15	if ($sessionId == '127.0.0.1' || $sessionId == '::1') {
16		$sessionId = 'localhost';
17	}
18	$sessionType = 'ip';
19}
20
21// check if valid session id string:
22if (strlen($sessionId) < 46 && !preg_match('/^[\w\d\.:]+$/', $sessionId)) {
23	$sessionId = 'invalid-session-id';
24}
25
26// clean the page ID
27$pageId = preg_replace('/[\x00-\x1F{};]/', "\u{FFFD}", $json['pg'] ?? '');
28
29// clean the user-name
30$userName = preg_replace('/[\x00-\x1F]/', "\u{FFFD}", $json['u'] ?? '');
31
32// check load time
33$loadTime = $json['lt'] ?? '';
34if ($loadTime !== '' ) $loadTime = intval($loadTime);
35
36// clean the user agent string
37$agent = preg_replace('/[\x00-\x1F]/', "\u{FFFD}", $_SERVER['HTTP_USER_AGENT'] ?? '');
38
39// clean the referer
40$referer = preg_replace('/[\x00-\x1F]/', "\u{FFFD}", $json['r'] ?? '');
41
42
43/* build the resulting log line (ensure fixed column positions!) */
44$logArr = Array(
45	$_SERVER['REMOTE_ADDR'] ?? '', /* remote IP */
46	$pageId, /* DW Page ID */
47	$sessionId, /* Session ID */
48	$userName, /* DW User name (if logged in) */
49	$loadTime, /* load time */
50	$referer, /* Referrer URL */
51	$agent /* User agent */
52	// $json['lg'] ?? '', /* browser language */
53	// $json['scr'] ?? '', /* Screen dimensions */
54	// $json['tz'] ?? '', /* timzone offset */
55	// $json['l'] ?? '', /* Accepted languages list */
56	// $json['url'] ?? '', /* Full request URL */
57	// $json['t'] ?? '' /* Page title */
58);
59
60/* create the log line */
61$filename = 'logs/' . gmdate('Y-m-d') . '.log.txt'; /* use server datetime */
62$logline = gmdate('Y-m-d H:i:s');
63foreach ($logArr as $val) {
64	$logline .= "\t" . $val;
65};
66
67/* write the log line to the file */
68$logfile = fopen($filename, 'a');
69if (!$logfile) {
70	http_response_code(507);
71	die("Error: Unable to open log file. Please check file permissions.");
72}
73
74if (fwrite($logfile, $logline . "\n") === false) {
75	http_response_code(500);
76	fclose($logfile);
77	die("Error: Could not write to log file.");
78}
79fclose($logfile);
80
81/* send a 202 response */
82http_response_code(202);
83echo "OK";