rename-login-page.php — CloudSecure WP Security 0.9.0

cloudsecure-wp-security / modules / rename-login-page.php

cloudsecure-wp-security / modules Last commit date

admin 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 unify-messages.php 2 years ago update-notice.php 2 years ago

rename-login-page.php

301 lines

1	<?php
2	class CloudSecureWP_Rename_Login_Page extends CloudSecureWP_Common {
3	private const KEY_FEATURE = 'rename_login_page';
4	private const KEY_NAME = self::KEY_FEATURE . '_name';
5	private const KEY_DISABLE_REDIRECT = self::KEY_FEATURE . '_disable_redirect';
6	private $config;
7	private $htaccess;
8
9	function __construct( array $info, CloudSecureWP_Config $config, CloudSecureWP_Htaccess $htaccess ) {
10	parent::__construct( $info );
11	$this->config = $config;
12	$this->htaccess = $htaccess;
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	* 有効無効判定
26	*
27	* @return bool
28	*/
29	public function is_enabled(): bool {
30	return $this->config->get( $this->get_feature_key() ) === 't' ? true : false;
31	}
32
33	/**
34	* 初期設定値取得
35	*
36	* @return array
37	*/
38	public function get_default(): array {
39	$ret = array(
40	self::KEY_FEATURE => 'f',
41	self::KEY_NAME => $this->get_new_name(),
42	self::KEY_DISABLE_REDIRECT => 'f',
43	);
44	return $ret;
45	}
46
47	/**
48	* 設定値key取得
49	*/
50	public function get_keys(): array {
51	$ret = array(
52	self::KEY_FEATURE,
53	self::KEY_NAME,
54	self::KEY_DISABLE_REDIRECT,
55	);
56	return $ret;
57	}
58
59	/**
60	* 設定値取得
61	*/
62	public function get_settings(): array {
63	$settings = array();
64	$keys = $this->get_keys();
65
66	foreach ( $keys as $key ) {
67	$settings[ $key ] = $this->config->get( $key );
68	}
69
70	return $settings;
71	}
72
73	/**
74	* 設定値保存
75	*
76	* @param array $settings
77	* @return void
78	*/
79	public function save_settings( $settings ): void {
80	$keys = $this->get_keys();
81
82	foreach ( $keys as $key ) {
83	$this->config->set( $key, $settings[ $key ] ?? '' );
84	}
85
86	$this->config->save();
87	}
88
89	/**
90	* ランダム値を含んだ新しいログインページ名を取得
91	*
92	* @return string $name
93	*/
94	public function get_new_name(): string {
95	$name = '';
96	$chars = '0123456789abcdefghijklmnopqrstuvwxyz-_';
97
98	for ( $ii = 0; $ii < 8; $ii ++ ) {
99	$name .= $chars[ rand( 0, strlen( $chars ) - 1 ) ];
100	}
101
102	return $name;
103	}
104
105	/**
106	* ファイル名重複判定
107	*
108	* @param string $name
109	*/
110	public function is_duplicat_file( string $name ): bool {
111	$files = array_diff( scandir( ABSPATH ), array( '.', '..' ) );
112
113	if ( in_array( $name, $files ) ) {
114	return true;
115	}
116
117	return false;
118	}
119
120	/**
121	* htaccessに書き出す設定を取得
122	*
123	* @return string
124	*/
125	private function get_htaccess_settings(): string {
126	$parse = parse_url( site_url() );
127	$base = ( $parse['path'] ?? '' ) . '/';
128	$name = $this->config->get( self::KEY_NAME );
129	$page404 = self::PAGE_404;
130
131	$setting = "<IfModule mod_rewrite.c>" . "\n";
132	$setting .= " RewriteEngine on" . "\n";
133	$setting .= " RewriteBase {$base}" . "\n";
134	$setting .= " RewriteRule ^wp-activate\.php {$page404} [L]" . "\n";
135	$setting .= " RewriteRule ^wp-signup\.php {$page404} [L]" . "\n";
136	$setting .= " RewriteRule ^{$name}(.*)$ wp-login.php$1 [L]" . "\n";
137	$setting .= "</IfModule>" . "\n";
138
139	return $setting;
140	}
141
142	/**
143	* htaccessに書き出す設定を更新
144	*
145	* @return bool
146	*/
147	public function update_htaccess(): bool {
148	$plugin_tag = $this->htaccess->get_plugin_settings_tag();
149	$tag = $this->get_feature_key();
150
151	if ( $this->htaccess->setting_tag_exists( $plugin_tag ) ) {
152	if ( $this->htaccess->setting_tag_exists( $tag ) ) {
153	if ( ! $this->remove_htaccess() ) {
154	return false;
155	}
156	}
157	} else {
158	$this->htaccess->add_plugin_settings_tag();
159	}
160
161	$setting = $this->get_htaccess_settings();
162	$ret = $this->htaccess->add_feature_setting( $tag, $setting );
163
164	return $ret;
165	}
166
167	/**
168	* htaccessから設定を削除
169	*
170	* @return bool
171	*/
172	public function remove_htaccess(): bool {
173	return $this->htaccess->remove_settings( array( $this->get_feature_key() ) );
174	}
175
176	/**
177	* login_init
178	*/
179	public function login_init() {
180	$request_uri = sanitize_url( $_SERVER['REQUEST_URI'] ?? '' );
181	if ( false !== strpos( $request_uri, 'wp-login.php' ) ) {
182	if ( false !== strpos( wp_get_referer(), $this->config->get( self::KEY_NAME ) ) ) {
183	wp_redirect( $this->replace_wp_login( $request_uri ) );
184	exit;
185	} else {
186	$this->page404();
187	exit;
188	}
189	}
190	}
191
192	/**
193	* site_url
194	*/
195	public function site_url( $url, $path, $scheme, $blog_id ) {
196	return $this->replace_wp_login( $url );
197	}
198
199	/**
200	* network_site_url
201	*/
202	public function network_site_url( $url, $path, $scheme ) {
203	return $this->replace_wp_login( $url );
204	}
205
206	/**
207	* wp_redirect
208	*/
209	public function wp_redirect( $location, $status ) {
210	return $this->replace_wp_login( $location );
211	}
212
213	/**
214	* register
215	*/
216	public function register( $link ) {
217	return $this->replace_wp_login( $link );
218	}
219
220	/**
221	* auth_redirect_scheme
222	*/
223	public function auth_redirect_scheme( $scheme ) {
224	if ( 't' === $this->config->get( self::KEY_DISABLE_REDIRECT ) ) {
225	if ( ! wp_validate_auth_cookie( '', $scheme ) ) {
226	wp_safe_redirect( home_url( self::PAGE_404 ) );
227	exit;
228	}
229	}
230	return $scheme;
231	}
232
233	/**
234	* ログインページ名を書き換え
235	*
236	* @param string $uri
237	* @return string $new_uri
238	*/
239	private function replace_wp_login( $uri ) {
240	$uri = str_replace( 'wp-login.php', $this->config->get( self::KEY_NAME ), $uri );
241	return $uri;
242	}
243
244	/**
245	* メール通知
246	*
247	* @return void
248	*/
249	public function notification( $name ) {
250	$login_url = site_url() . '/' . $name;
251	$subject = 'ログインURL変更';
252
253	$body = "新しいログインURLは、以下のとおりです。" . "\n";
254	$body .= "�
255	要に応じてブックマークをお願いいたします。" . "\n";
256	$body .= "" . "\n";
257	$body .= "{$login_url}" . "\n";
258	$body .= "" . "\n";
259	$body .= "--" . "\n";
260	$body .= "CloudSecure WP Security" . "\n";
261
262	$admins = $this->get_admin_users();
263
264	foreach ( $admins as $admin ) {
265	$this->wp_send_mail( $admin->user_email, esc_html( $subject ), esc_html( $body ) );
266	}
267	}
268
269	/**
270	* 有効化
271	*
272	* @return void
273	*/
274	public function activate(): void {
275	$settings = $this->get_default();
276	$this->save_settings( $settings );
277
278	if ( $this->is_enabled() ) {
279	if ( ! $this->update_htaccess() ) {
280	$settings[ $this->get_feature_key() ] = 'f';
281	}
282	}
283	$this->save_settings( $settings );
284
285	if ( 't' === $this->config->get( $this->get_feature_key() ) ) {
286	$this->notification( $settings[ self::KEY_NAME ] );
287	}
288	}
289
290	/**
291	* 無効化
292	*
293	* @return void
294	*/
295	public function deactivate(): void {
296	$this->remove_htaccess();
297	$this->config->set( self::KEY_FEATURE, 'f' );
298	$this->config->save();
299	}
300	}
301