server-error-notification.php — CloudSecure WP Security 1.2.6

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

cloudsecure-wp-security / modules Last commit date

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

server-error-notification.php

241 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	$wpdb->query( 'START TRANSACTION' );
52	$wpdb->insert( $table_name, $error );
53	$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 ) );
54	$wpdb->query( 'COMMIT' );
55	}
56
57	/**
58	* サーバーエラーを取得
59	*
60	* @param string $orderby
61	* @param string $order
62	* @param int $per_page
63	* @param int $offset
64	*
65	* @return array
66	*/
67	public function get_server_errors( string $orderby, string $order, int $per_page, int $offset ): array {
68	global $wpdb;
69	$table_name = $wpdb->prefix . self::TABLE_NAME;
70	$sanitized_orderby = sanitize_sql_orderby( "$orderby $order" );
71	$sql = "SELECT * FROM $table_name ORDER BY $sanitized_orderby LIMIT %d OFFSET %d";
72
73	return array(
74	$wpdb->get_results( $wpdb->prepare( $sql, $per_page, $offset ), ARRAY_A ),
75	$wpdb->get_var( "SELECT count(*) FROM {$wpdb->prefix}cloudsecurewp_server_error" ),
76	);
77	}
78
79	/**
80	* 有効無効判定
81	*
82	* @return bool
83	*/
84	public function is_enabled(): bool {
85	return $this->config->get( $this->get_feature_key() ) === 't';
86	}
87
88	/**
89	* 初期設定値取得
90	*
91	* @return array
92	*/
93	public function get_default(): array {
94	return array( self::KEY_FEATURE => $this->check_environment() ? 't' : 'f' );
95	}
96
97	/**
98	* 設定値取得
99	*/
100	public function get_settings(): array {
101	$settings = array();
102	$default = $this->get_default();
103
104	foreach ( $default as $key => $val ) {
105	$settings[ $key ] = $this->config->get( $key );
106	}
107
108	return $settings;
109	}
110
111	/**
112	* 設定値保存
113	*
114	* @param array $settings
115	*
116	* @return void
117	*/
118	public function save_settings( array $settings ): void {
119	$default = $this->get_default();
120
121	foreach ( $default as $key => $val ) {
122	$this->config->set( $key, $settings[ $key ] ?? '' );
123	}
124
125	$this->config->save();
126	}
127
128	/**
129	* エラータイプ名称を取得
130	*
131	* @param int $error_type
132	*
133	* @return string
134	*/
135	private function get_error_type_name( int $error_type ): string {
136	// 下記のコードを参考にさせていただきました。
137	// https://github.com/WordPress/WordPress/blob/aac1b7c487c9a5fd206f6845e4eba4164b02f02b/wp-includes/error-protection.php#L48
138	$constants = get_defined_constants( true );
139	$constants = $constants['Core'] ?? $constants['internal'];
140
141	foreach ( $constants as $constant => $value ) {
142	if ( str_starts_with( $constant, 'E_' ) && $error_type === $value ) {
143	return $constant;
144	}
145	}
146
147	return '';
148	}
149
150	/**
151	* メール本文取得
152	*
153	* @param array{ type: int , message: string, file: string, line: int } $error
154	*
155	* @return string
156	*/
157	private function get_body( array $error ): string {
158	$date = $this->get_date();
159	$time = $this->get_time();
160
161	$text = "$date $time にサーバーエラーが発生しました。" . PHP_EOL;
162	$text .= PHP_EOL;
163	$text .= '【サーバーエラー�
164	報】' . PHP_EOL;
165	$text .= PHP_EOL;
166	$text .= "・エラータイプ：{$error['type']}" . PHP_EOL;
167	$text .= PHP_EOL;
168	$text .= "・エラーメッセージ：{$error['message']}" . PHP_EOL;
169	$text .= PHP_EOL;
170	$text .= "・エラー箇所：{$error['file']}:{$error['line']}" . PHP_EOL;
171	$text .= PHP_EOL;
172	$text .= '--' . PHP_EOL;
173	$text .= 'CloudSecure WP Security' . PHP_EOL;
174
175	return $text;
176	}
177
178	/**
179	* 通知
180	*/
181	public function notification( $args, $error ) {
182
183	$error['type'] = $this->get_error_type_name( $error['type'] );
184
185	$this->insert_error( $error );
186
187	$enable_email_server_error_notification = get_option( 'cloudsecurewp_enable_email_server_error_notification', 't' );
188	if ( 't' === $enable_email_server_error_notification ) {
189	$option_name = "cloudsecurewp_error_type_{$error['type']}_email_last_sent";
190	$last_sent = get_option( $option_name );
191	if ( ! $last_sent \|\| time() > $last_sent + HOUR_IN_SECONDS ) {
192	update_option( $option_name, time() );
193	$to = get_option( 'admin_email' );
194	$this->wp_send_mail( $to, esc_html( 'サーバーエラー通知' ), $this->get_body( $error ) );
195	}
196	}
197
198	return $args;
199	}
200
201	/**
202	* 有効化
203	*
204	* @return void
205	*/
206	public function activate(): void {
207	$this->save_settings( $this->get_default() );
208
209	global $wpdb;
210	$table_name = $this->get_table_name();
211	$table = $wpdb->get_var( "SHOW TABLES LIKE '{$table_name}'" );
212
213	if( is_null( $table ) ) {
214	$charset_collate = $wpdb->get_charset_collate();
215
216	$sql = "CREATE TABLE {$table_name} (
217	id BIGINT( 20 ) UNSIGNED NOT NULL AUTO_INCREMENT,
218	type VARCHAR( 31 ) NOT NULL DEFAULT 0,
219	message VARCHAR( 65535 ) NOT NULL DEFAULT '',
220	file VARCHAR( 65535 ) NOT NULL DEFAULT '',
221	line INT NOT NULL DEFAULT 0,
222	created_at DATETIME,
223	UNIQUE KEY id ( id )
224	) {$charset_collate}";
225
226	require_once ABSPATH . 'wp-admin/includes/upgrade.php';
227	dbDelta( $sql );
228	}
229	}
230
231	/**
232	* 無効化
233	*
234	* @return void
235	*/
236	public function deactivate(): void {
237	$this->config->set( $this->get_feature_key(), 'f' );
238	$this->config->save();
239	}
240	}
241