server-error-notification.php — CloudSecure WP Security 1.1.1

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

233 lines

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