ErrorHandler.php — WP STAGING – WordPress Backups, Restore, Migration & Clone trunk

wp-staging / Framework / ErrorHandler.php

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ErrorHandler.php

164 lines

1	<?php
2
3	namespace WPStaging\Framework;
4
5	use WPStaging\Core\WPStaging;
6	use WPStaging\Framework\Job\JobTransientCache;
7	use WPStaging\Framework\Job\ProcessLock;
8	use WPStaging\Framework\Logger\SseEventCache;
9
10
11
12
13	class ErrorHandler
14	{
15
16	const ERROR_FILE_EXTENSION = '.wpstgerror';
17
18	public function registerShutdownHandler()
19	{
20	register_shutdown_function([$this, 'shutdownHandler']);
21	}
22
23	public function shutdownHandler()
24	{
25	if (!defined('WPSTG_REQUEST')) {
26	return;
27	}
28
29	if (!defined('WPSTG_UPLOADS_DIR')) {
30	return;
31	}
32
33
34
35
36
37
38	$wpStagingRequests = [
39	'wpstg_backup',
40	'wpstg_restore',
41	'wpstg_cloning',
42	'wpstg_remote_sync_pull',
43	'wpstg_staging_create',
44	'wpstg_staging_update',
45	'wpstg_staging_reset',
46	'wpstg_staging_push',
47	];
48
49	$wpStagingRequest = WPSTG_REQUEST;
50	if (!in_array($wpStagingRequest, $wpStagingRequests, true)) {
51	return;
52	}
53
54	$error = error_get_last();
55	if (!is_array($error)) {
56	return;
57	}
58
59	if ($error['type'] !== E_ERROR) {
60	return;
61	}
62
63	preg_match('/Allowed memory size of (\d+) bytes exhausted $tried to allocate (\d+) bytes$/', $error['message'], $data);
64	if (!is_array($data) \|\| count($data) !== 3) {
65	$data['time'] = date('Y/m/d H:i:s', time());
66	$this->logSseEvent($data, false);
67	$this->releaseProcessLock();
68	return;
69	}
70
71
72	$errorTmpFile = WPSTG_UPLOADS_DIR . $wpStagingRequest . self::ERROR_FILE_EXTENSION;
73
74	$fileHandler = fopen($errorTmpFile, 'w');
75
76	$data = [
77	'memoryUsage' => memory_get_usage(true),
78	'peakMemoryUsage' => memory_get_peak_usage(true),
79	'phpMemoryLimit' => ini_get('memory_limit'),
80	'wpMemoryLimit' => defined('WP_MEMORY_LIMIT') ? WP_MEMORY_LIMIT : '',
81	'allowedMemoryLimit' => $data[1],
82	'exhaustedMemorySize' => $data[2],
83	'time' => date('Y/m/d H:i:s', time()),
84	];
85
86	if (is_resource($fileHandler)) {
87	fwrite($fileHandler, json_encode($data));
88	fclose($fileHandler);
89	}
90
91	$this->logSseEvent($data);
92	$this->releaseProcessLock();
93	}
94
95
96
97
98
99
100
101
102	private function releaseProcessLock()
103	{
104	try {
105	WPStaging::make(ProcessLock::class)->unlockProcess();
106	} catch (\Throwable $e) {
107
108	}
109	}
110
111	private function logSseEvent(array $data, bool $isMemoryExhaust = true)
112	{
113
114
115
116	$jobTransientCache = WPStaging::make(JobTransientCache::class);
117
118	$jobId = $jobTransientCache->getJobId();
119	if (empty($jobId)) {
120	return;
121	}
122
123	if ($isMemoryExhaust) {
124	$exhaustedMemorySize = isset($data['exhaustedMemorySize']) ? (int)$data['exhaustedMemorySize'] : 0;
125	$memoryUsage = isset($data['memoryUsage']) ? (int)$data['memoryUsage'] : 0;
126	$peakMemoryUsage = isset($data['peakMemoryUsage']) ? (int)$data['peakMemoryUsage'] : 0;
127	$allowedMemoryLimit = isset($data['allowedMemoryLimit']) ? (int)$data['allowedMemoryLimit'] : 0;
128	$phpMemoryLimit = isset($data['phpMemoryLimit']) ? $data['phpMemoryLimit'] : ini_get('memory_limit');
129	$wpMemoryLimit = isset($data['wpMemoryLimit']) ? $data['wpMemoryLimit'] : (defined('WP_MEMORY_LIMIT') ? WP_MEMORY_LIMIT : '');
130
131	$message = sprintf(
132	esc_html__('Memory exhaust issue is detected during the process. Error occurred when allocating more %s on top of current usage of %s. Peak memory usage: %s, Allowed memory limit: %s, PHP memory limit: %s, WP memory limit: %s', 'wp-staging'),
133	size_format($exhaustedMemorySize),
134	size_format($memoryUsage),
135	size_format($peakMemoryUsage),
136	size_format($allowedMemoryLimit),
137	$phpMemoryLimit,
138	$wpMemoryLimit
139	);
140	} else {
141	$message = sprintf(
142	esc_html__('Job failed due to a fatal error! Error data: %s', 'wp-staging'),
143	esc_html(print_r($data, true))
144	);
145	}
146
147	$data['jobId'] = $jobId;
148	$data['message'] = $message;
149
150
151
152
153	$sseEventCache = WPStaging::make(SseEventCache::class);
154	$sseEventCache->setJobId($jobId);
155	$sseEventCache->load();
156	$sseEventCache->push([
157	'type' => $isMemoryExhaust ? SseEventCache::EVENT_TYPE_MEMORY_EXHAUST : SseEventCache::EVENT_TYPE_FATAL_ERROR,
158	'data' => $data,
159	]);
160
161	$jobTransientCache->failJob('', $message);
162	}
163	}
164