server-error-notification.php — CloudSecure WP Security 1.3.13

cloudsecure-wp-security / modules / server-error-notification.php

cloudsecure-wp-security / modules Last commit date

admin 1 year ago lib 1 year ago captcha.php 2 years ago cloudsecure-wp.php 1 year ago common.php 1 year ago config.php 2 years ago disable-access-system-file.php 1 year ago disable-author-query.php 2 years ago disable-login.php 1 year ago disable-restapi.php 1 year ago disable-xmlrpc.php 1 year ago htaccess.php 1 year ago login-log.php 1 year ago login-notification.php 1 year ago rename-login-page.php 1 year ago restrict-admin-page.php 1 year ago server-error-notification.php 1 year ago two-factor-authentication.php 1 year ago unify-messages.php 2 years ago update-notice.php 2 years ago waf-engine.php 1 year ago waf.php 1 year ago

server-error-notification.php

262 lines

1	<?php
2
3	if ( ! defined( 'ABSPATH' ) ) {
4	exit;
5	}
6
7	class CloudSecureWP_Server_Error_Notification extends CloudSecureWP_Common {
8	private const KEY_FEATURE = 'server_error_notification';
9	private const TABLE_NAME = 'cloudsecurewp_server_error';
10	private const MAX_ITEMS = 10000;
11
12	private $config;
13
14	function __construct( array $info, CloudSecureWP_Config $config ) {
15	parent::__construct( $info );
16	$this->config = $config;
17	}
18
19	/**
20	* 機能毎のKEY取得
21	*
22	* @return string
23	*/
24	public function get_feature_key(): string {
25	return self::KEY_FEATURE;
26	}
27
28	/**
29	* テーブル名取得
30	*
31	* @return string
32	*/
33	public function get_table_name(): string {
34	global $wpdb;
35
36	return $wpdb->prefix . self::TABLE_NAME;
37	}
38
39	/**
40	* サーバーエラーを追加
41	*
42	* @param array $error
43	*
44	* @return void
45	*/
46	private function insert_error( array $error ): void {
47	global $wpdb;
48	$table_name = $wpdb->prefix . self::TABLE_NAME;
49	$max_items = self::MAX_ITEMS;
50	$error['created_at'] = current_time( 'mysql' );
51
52	if ( is_null( $error['message'] ) ) {
53	$error['message'] = '';
54	}
55
56	if ( is_null( $error['file'] ) ) {
57	$error['file'] = '';
58	}
59
60	if ( mb_strlen( $error['message'], 'UTF-8' ) > 65535 ) {
61	$error['message'] = mb_substr( $error['message'], 0, 65535, 'UTF-8' );
62	}
63
64	if ( mb_strlen( $error['file'], 'UTF-8' ) > 65535 ) {
65	$error['file'] = mb_substr( $error['file'], 0, 65535, 'UTF-8' );
66	}
67
68	$wpdb->query( 'START TRANSACTION' );
69	$wpdb->insert( $table_name, $error );
70	$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->prefix}cloudsecurewp_server_error WHERE id <= (SELECT id FROM (SELECT id FROM {$wpdb->prefix}cloudsecurewp_server_error ORDER BY id DESC LIMIT 1 OFFSET %d) tmp)", $max_items ) );
71	$wpdb->query( 'COMMIT' );
72	}
73
74	/**
75	* サーバーエラーを取得
76	*
77	* @param string $orderby
78	* @param string $order
79	* @param int $per_page
80	* @param int $offset
81	*
82	* @return array
83	*/
84	public function get_server_errors( string $orderby, string $order, int $per_page, int $offset ): array {
85	global $wpdb;
86	$table_name = $wpdb->prefix . self::TABLE_NAME;
87	$sanitized_orderby = sanitize_sql_orderby( "$orderby $order" );
88	$sql = "SELECT * FROM $table_name ORDER BY $sanitized_orderby LIMIT %d OFFSET %d";
89
90	return array(
91	$wpdb->get_results( $wpdb->prepare( $sql, $per_page, $offset ), ARRAY_A ),
92	$wpdb->get_var( "SELECT count(*) FROM {$wpdb->prefix}cloudsecurewp_server_error" ),
93	);
94	}
95
96	/**
97	* 有効無効判定
98	*
99	* @return bool
100	*/
101	public function is_enabled(): bool {
102	return $this->config->get( $this->get_feature_key() ) === 't';
103	}
104
105	/**
106	* 初期設定値取得
107	*
108	* @return array
109	*/
110	public function get_default(): array {
111	return array( self::KEY_FEATURE => $this->check_environment() ? 't' : 'f' );
112	}
113
114	/**
115	* 設定値取得
116	*/
117	public function get_settings(): array {
118	$settings = array();
119	$default = $this->get_default();
120
121	foreach ( $default as $key => $val ) {
122	$settings[ $key ] = $this->config->get( $key );
123	}
124
125	return $settings;
126	}
127
128	/**
129	* 設定値保存
130	*
131	* @param array $settings
132	*
133	* @return void
134	*/
135	public function save_settings( array $settings ): void {
136	$default = $this->get_default();
137
138	foreach ( $default as $key => $val ) {
139	$this->config->set( $key, $settings[ $key ] ?? '' );
140	}
141
142	$this->config->save();
143	}
144
145	/**
146	* エラータイプ名称を取得
147	*
148	* @param int $error_type
149	*
150	* @return string
151	*/
152	private function get_error_type_name( int $error_type ): string {
153	// 下記のコードを参考にさせていただきました。
154	// https://github.com/WordPress/WordPress/blob/aac1b7c487c9a5fd206f6845e4eba4164b02f02b/wp-includes/error-protection.php#L48
155	$constants = get_defined_constants( true );
156	$constants = $constants['Core'] ?? $constants['internal'];
157
158	foreach ( $constants as $constant => $value ) {
159	if ( 0 === strpos( $constant, 'E_' ) && $error_type === $value ) {
160	return $constant;
161	}
162	}
163
164	return '';
165	}
166
167	/**
168	* メール本文取得
169	*
170	* @param array{ type: int , message: string, file: string, line: int } $error
171	*
172	* @return string
173	*/
174	private function get_body( array $error ): string {
175	$date = $this->get_date();
176	$time = $this->get_time();
177
178	$text = "$date $time にサーバーエラーが発生しました。" . PHP_EOL;
179	$text .= PHP_EOL;
180	$text .= '【サーバーエラー�
181	報】' . PHP_EOL;
182	$text .= PHP_EOL;
183	$text .= "・エラータイプ：{$error['type']}" . PHP_EOL;
184	$text .= PHP_EOL;
185	$text .= "・エラーメッセージ：{$error['message']}" . PHP_EOL;
186	$text .= PHP_EOL;
187	$text .= "・エラー箇所：{$error['file']}:{$error['line']}" . PHP_EOL;
188	$text .= PHP_EOL;
189	$text .= '--' . PHP_EOL;
190	$text .= 'CloudSecure WP Security' . PHP_EOL;
191
192	return $text;
193	}
194
195	/**
196	* 通知
197	*/
198	public function notification( $args, $error ) {
199
200	$error['type'] = $this->get_error_type_name( $error['type'] );
201
202	$this->insert_error( $error );
203
204	$enable_email_server_error_notification = get_option( 'cloudsecurewp_enable_email_server_error_notification', 't' );
205	if ( 't' === $enable_email_server_error_notification ) {
206	$option_name = "cloudsecurewp_error_type_{$error['type']}_email_last_sent";
207	$last_sent = get_option( $option_name );
208	if ( ! $last_sent \|\| time() > $last_sent + HOUR_IN_SECONDS ) {
209	update_option( $option_name, time() );
210	$to = get_option( 'admin_email' );
211	$this->wp_send_mail( $to, esc_html( 'サーバーエラー通知' ), $this->get_body( $error ) );
212	}
213	}
214
215	return $args;
216	}
217
218	/**
219	* 有効化
220	*
221	* @return void
222	*/
223	public function activate(): void {
224	$this->save_settings( $this->get_default() );
225
226	global $wpdb;
227	$table_name = $this->get_table_name();
228	$table = $wpdb->get_var( "SHOW TABLES LIKE '{$table_name}'" );
229	$charset_collate = $wpdb->get_charset_collate();
230
231	if ( ! is_null( $table ) ) {
232	$sql = "ALTER TABLE {$table_name} ALTER message DROP DEFAULT";
233	$sql2 = "ALTER TABLE {$table_name} ALTER file DROP DEFAULT";
234	$wpdb->query( $sql );
235	$wpdb->query( $sql2 );
236
237	} else {
238	$sql = "CREATE TABLE {$table_name} (
239	id BIGINT( 20 ) UNSIGNED NOT NULL AUTO_INCREMENT,
240	type VARCHAR( 31 ) NOT NULL DEFAULT 0,
241	message VARCHAR( 65535 ) NOT NULL,
242	file VARCHAR( 65535 ) NOT NULL,
243	line INT NOT NULL DEFAULT 0,
244	created_at DATETIME,
245	UNIQUE KEY id ( id )
246	) {$charset_collate}";
247
248	$wpdb->query( $sql );
249	}
250	}
251
252	/**
253	* 無効化
254	*
255	* @return void
256	*/
257	public function deactivate(): void {
258	$this->config->set( $this->get_feature_key(), 'f' );
259	$this->config->save();
260	}
261	}
262