wpremote / php_error_monitoring / monitoring.php

monitoring.php in The WP Remote WordPress Plugin 6.47, at php_error_monitoring/monitoring.php

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1	<?php
2	if (!defined('ABSPATH') && !defined("PHP_ERR_MONIT_PATH")) exit;
3
4	if (!class_exists('WPRWPPHPErrorMonitoring')) :
5	class WPRWPPHPErrorMonitoring {
6	private static $db;
7	private static $settings;
8	private static $info;
9	private static $initialized = false;
10	private static $config = array();
11
12	const ERROR_TABLE = 'php_error_store';
13
14	private static $include_backtrace = false;
15	private static $max_table_length = 10000;
16	private static $error_level = E_ALL;
17	private static $max_backtrace_frames = 10;
18	private static $md5s_to_ignore = array();
19
20	public static function init() {
21	if (self::$initialized) {
22	return;
23	}
24	include_once dirname(__FILE__) . '/../wp_settings.php';
25	include_once dirname(__FILE__) . '/../wp_db.php';
26	include_once dirname(__FILE__) . '/../info.php';
27
28	self::$settings = new WPRWPSettings();
29	self::$db = new WPRWPDb();
30	self::$info = new WPRInfo(self::$settings);
31
32	if (self::$info->isServiceActive('php_error_monitoring')) {
33	add_action('wpr_clear_php_error_config', array('WPRWPPHPErrorMonitoring', 'clearConfig'));
34	}
35
36	include_once ABSPATH . 'wp-admin/includes/plugin.php';
37
38	if (is_plugin_active('wpremote/plugin.php')) {
39	if (self::$info->isServiceActive('php_error_monitoring') && self::$info->hasValidDBVersion()) {
40	self::updateDefaultValues();
41	self::setPhpErrorHandler();
42	self::$initialized = true;
43	}
44	}
45	}
46
47	public static function clearConfig() {
48	self::$db->dropBVTable(self::ERROR_TABLE);
49	}
50
51	public static function isValidErrorLevel($error_level) {
52	return is_int($error_level) && ($error_level & E_ALL) === $error_level;
53	}
54
55	public static function updateDefaultValues() {
56	if (!isset(self::$info->config['php_error_monitoring']) \|\|
57	!is_array(self::$info->config['php_error_monitoring'])) {
58	return;
59	}
60
61	$config = self::$info->config['php_error_monitoring'];
62
63	if (array_key_exists('include_backtrace', $config) && is_bool($config['include_backtrace'])) {
64	self::$include_backtrace = $config['include_backtrace'];
65	}
66
67	if (array_key_exists('max_table_length', $config) && is_int($config['max_table_length'])) {
68	self::$max_table_length = $config['max_table_length'];
69	}
70
71	if (array_key_exists('error_level', $config) && self::isValidErrorLevel($config['error_level'])) {
72	self::$error_level = $config['error_level'];
73	}
74
75	if (array_key_exists('md5s_to_ignore', $config) && is_array($config['md5s_to_ignore'])) {
76	self::$md5s_to_ignore = $config['md5s_to_ignore'];
77	}
78
79	if (array_key_exists('max_backtrace_frames', $config) && is_int($config['max_backtrace_frames'])) {
80	self::$max_backtrace_frames = $config['max_backtrace_frames'];
81	}
82	}
83
84	public static function setPhpErrorHandler() {
85	// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_set_error_handler -- Custom error handling
86	set_error_handler(array(self::class, 'errorHandler'), self::$error_level);
87	register_shutdown_function(array(self::class, 'handleShutdown'));
88	}
89
90	public static function handleShutdown() {
91	$error = error_get_last();
92	if (null !== $error && (($error['type'] & self::$error_level) === $error['type'])) {
93	self::errorHandler($error['type'], $error['message'], $error['file'], $error['line']);
94	}
95	}
96
97	public static function canAddToBVTable() {
98	$bv_table = self::$db->getBVTable(self::ERROR_TABLE);
99
100	if (!self::$db->isTablePresent($bv_table)) {
101	return false;
102	}
103
104	$row_count = self::$db->rowsCount($bv_table);
105	return $row_count < self::$max_table_length;
106	}
107
108	public static function saveError($data) {
109	if (!self::canAddToBVTable()) {
110	return;
111	}
112	$values = array("data" => $data, "time" => time());
113	self::$db->insertIntoBVTable(self::ERROR_TABLE, $values);
114	}
115
116	public static function canCaptureError($md5) {
117	if (in_array($md5, self::$md5s_to_ignore, true)) {
118	return false;
119	}
120	return true;
121	}
122
123	public static function errorHandler($code, $message, $file, $line) {
124	$data = array();
125
126	$serialized_backtrace = '';
127	if (self::$include_backtrace) {
128	// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_debug_backtrace -- Needed for stack trace functionality
129	$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, self::$max_backtrace_frames);
130
131	$keys = array_flip(array('file', 'line', 'function'));
132	foreach ($backtrace as &$frame) {
133	$frame = array_intersect_key($frame, $keys);
134	}
135
136	$serialized_backtrace = maybe_serialize($backtrace);
137	$data["backtrace"] = $serialized_backtrace;
138	}
139
140	$data["md5"] = md5($code . '-' . $message . '-' . $line . '-' . $file . '-' . $serialized_backtrace);
141
142	if (!self::canCaptureError($data['md5'])) {
143	return;
144	}
145
146	$data["error_code"] = $code;
147	$data["error_message"] = $message;
148	$data["error_line"] = $line;
149	$data["error_file"] = $file;
150	$uri = WPRHelper::getRawParam('SERVER', 'REQUEST_URI');
151	if (!isset($uri)) {
152	$uri = "";
153	}
154	$data["request_path"] = parse_url($uri, PHP_URL_PATH);
155	$data["request_id"] = WPRInfo::getRequestID();
156
157	self::saveError(maybe_serialize($data));
158	}
159	}
160	endif;