system-status.php — Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) 9.5.10

really-simple-ssl / system-status.php

really-simple-ssl Last commit date

system-status.php

558 lines

1	<?php
2	# No need for the template engine
3	if ( ! defined( 'WP_USE_THEMES' ) ) {
4	define( 'WP_USE_THEMES', false ); // phpcs:ignore
5	}
6	//we set wp admin to true, so the backend features get loaded.
7	if ( ! defined( 'RSSSL_DOING_SYSTEM_STATUS' ) ) {
8	define( 'RSSSL_DOING_SYSTEM_STATUS', true ); // phpcs:ignore
9	}
10
11	#find the base path
12	if ( ! defined( 'BASE_PATH' ) ) {
13	define( 'BASE_PATH', rsssl_find_wordpress_base_path() . '/' );
14	}
15
16	# Load WordPress Core
17	if ( ! file_exists( BASE_PATH . 'wp-load.php' ) ) {
18	die( 'WordPress not installed here' );
19	}
20	require_once BASE_PATH . 'wp-load.php';
21	require_once ABSPATH . 'wp-includes/class-phpass.php';
22	require_once ABSPATH . 'wp-admin/includes/image.php';
23	require_once ABSPATH . 'wp-admin/includes/plugin.php';
24
25	//by deleting these we make sure these functions run again
26	delete_transient( 'rsssl_testpage' );
27	function rsssl_get_system_status() {
28	$output = '';
29	global $wp_version;
30
31	$output .= "General\n";
32	$output .= 'Domain: ' . site_url() . "\n";
33	$output .= 'Plugin version: ' . rsssl_version . "\n";
34	$output .= 'WordPress version: ' . $wp_version . "\n";
35
36	if ( RSSSL()->certificate->is_valid() ) {
37	$output .= "SSL certificate is valid\n";
38	} else {
39	if ( ! function_exists( 'stream_context_get_params' ) ) {
40	$output .= "stream_context_get_params not available\n";
41	} elseif ( RSSSL()->certificate->detection_failed() ) {
42	$output .= "Not able to detect certificate\n";
43	} else {
44	$output .= "Invalid SSL certificate\n";
45	}
46	}
47
48	$output .= ( rsssl_get_option( 'ssl_enabled' ) ) ? "SSL is enabled\n\n"
49	: "SSL is not yet enabled\n\n";
50
51	$output .= "Options\n";
52	if ( rsssl_get_option( 'mixed_content_fixer' ) ) {
53	$output .= "* Mixed content fixer\n";
54	}
55	$output .= '* WordPress redirect' . rsssl_get_option( 'redirect' ) . "\n";
56
57	if ( rsssl_get_option( 'switch_mixed_content_fixer_hook' ) ) {
58	$output .= "* Use alternative method to fix mixed content\n";
59	}
60	if ( rsssl_get_option( 'dismiss_all_notices' ) ) {
61	$output .= "* Dismiss all Really Simple Security notices\n";
62	}
63	$output .= "\n";
64
65	$output .= "Server information:\n";
66	$output .= 'Server: ' . RSSSL()->server->get_server() . "\n";
67	$output .= 'SSL Type: ' . RSSSL()->admin->ssl_type . "\n";
68
69	if ( function_exists( 'phpversion' ) ) {
70	$output .= 'PHP Version: ' . phpversion() . "\n\n";
71	}
72
73	if ( is_multisite() ) {
74	$output .= "MULTISITE\n";
75	}
76
77	if ( rsssl_is_networkwide_active() ) {
78	$output .= "Really Simple Security network wide activated\n";
79	} elseif ( is_multisite() ) {
80	$output .= "Really Simple Security per site activated\n";
81	}
82
83	$output .= 'SSL Configuration:' . "\n";
84	$domain = RSSSL()->certificate->get_domain();
85	$certinfo = RSSSL()->certificate->get_certinfo( $domain );
86	if ( ! $certinfo ) {
87	$output .= 'SSL certificate not valid' . "\n";
88	}
89
90	$domain_valid = RSSSL()->certificate->is_domain_valid( $certinfo, $domain );
91	if ( ! $domain_valid ) {
92	$output .= "Domain on certificate does not match website's domain" . "\n";
93	}
94
95	$date_valid = RSSSL()->certificate->is_date_valid( $certinfo );
96	if ( ! $date_valid ) {
97	$output .= 'Date on certificate expired or not valid' . "\n";
98	}
99	$filecontents = get_transient( 'rsssl_testpage' );
100	if ( strpos( $filecontents, '#SSL TEST PAGE#' ) !== false ) {
101	$output .= 'SSL test page loaded successfully' . "\n";
102	} else {
103	$output .= 'Could not open testpage' . "\n";
104	}
105	if ( RSSSL()->admin->wpconfig_siteurl_not_fixed ) {
106	$output .= 'siteurl or home url defines found in wp-config.php' . "\n";
107	}
108	if ( RSSSL()->admin->wpconfig_siteurl_not_fixed ) {
109	$output .= 'not able to fix wpconfig siteurl/homeurl.' . "\n";
110	}
111
112	if ( ! is_writable( rsssl_find_wp_config_path() ) ) {
113	$output .= 'wp-config.php not writable<br>';
114	}
115	$output .= 'Detected SSL setup: ' . RSSSL()->admin->ssl_type . "\n";
116	if ( file_exists( RSSSL()->admin->htaccess_file() ) ) {
117	$output .= 'htaccess file exists.' . "\n";
118	if ( ! is_writable( RSSSL()->admin->htaccess_file() ) ) {
119	$output .= 'htaccess file not writable.' . "\n";
120	}
121	} else {
122	$output .= 'no htaccess file available.' . "\n";
123	}
124
125	if ( get_transient( 'rsssl_htaccess_test_success' ) === 'success' ) {
126	$output .= 'htaccess redirect tested successfully.' . "\n";
127	} elseif ( get_transient( 'rsssl_htaccess_test_success' ) === 'error' ) {
128	$output .= 'htaccess redirect test failed.' . "\n";
129	} elseif ( get_transient( 'rsssl_htaccess_test_success' ) === 'no-response' ) {
130	$output .= 'htaccess redirect test failed: no response from server.' . "\n";
131	}
132	$mixed_content_fixer_detected = get_transient( 'rsssl_mixed_content_fixer_detected' );
133	if ( 'no-response' === $mixed_content_fixer_detected ) {
134	$output .= 'Could not connect to webpage to detect mixed content fixer' . "\n";
135	}
136	if ( 'not-found' === $mixed_content_fixer_detected ) {
137	$output .= 'Mixed content marker not found in websource' . "\n";
138	}
139	if ( 'error' === $mixed_content_fixer_detected ) {
140	$output .= 'Mixed content marker not found: unknown error' . "\n";
141	}
142	if ( 'curl-error' === $mixed_content_fixer_detected ) {
143	//Site has has a cURL error
144	$output .= 'Mixed content fixer could not be detected: cURL error' . "\n";
145	}
146	if ( 'found' === $mixed_content_fixer_detected ) {
147	$output .= 'Mixed content fixer successfully detected' . "\n";
148	}
149	if ( ! rsssl_get_option( 'mixed_content_fixer' ) ) {
150	$output .= 'Mixed content fixer not enabled' . "\n";
151	}
152	if ( ! RSSSL()->admin->htaccess_contains_redirect_rules() ) {
153	$output .= '.htaccess does not contain default Really Simple Security redirect.' . "\n";
154	}
155
156	$output .= "\nConstants\n";
157
158	if ( defined( 'RSSSL_FORCE_ACTIVATE' ) ) {
159	$output .= "RSSSL_FORCE_ACTIVATE defined\n";
160	}
161	if ( defined( 'RSSSL_NO_FLUSH' ) ) {
162	$output .= "RSSSL_NO_FLUSH defined\n";
163	}
164	if ( defined( 'RSSSL_DISMISS_ACTIVATE_SSL_NOTICE' ) ) {
165	$output .= "RSSSL_DISMISS_ACTIVATE_SSL_NOTICE defined\n";
166	}
167	if ( defined( 'RSSSL_SAFE_MODE' ) ) {
168	$output .= "RSSSL_SAFE_MODE defined\n";
169	}
170	if ( defined( 'RSSSL_SERVER_OVERRIDE' ) ) {
171	$output .= "RSSSL_SERVER_OVERRIDE defined\n";
172	}
173	if ( defined( 'rsssl_no_rest_api_redirect' ) ) {
174	$output .= "rsssl_no_rest_api_redirect defined\n";
175	}
176	if ( defined( 'rsssl_no_wp_redirect' ) ) {
177	$output .= "rsssl_no_wp_redirect defined\n";
178	}
179	if ( defined( 'RSSSL_CONTENT_FIXER_ON_INIT' ) ) {
180	$output .= "RSSSL_CONTENT_FIXER_ON_INIT defined\n";
181	}
182	if ( defined( 'FORCE_SSL_ADMIN' ) ) {
183	$output .= "FORCE_SSL_ADMIN defined\n";
184	}
185	if ( defined( 'RSSSL_CSP_MAX_REQUESTS' ) ) {
186	$output .= "RSSSL_CSP_MAX_REQUESTS defined\n";
187	}
188	if ( defined( 'RSSSL_DISABLE_CHANGE_LOGIN_URL' ) ) {
189	$output .= "RSSSL_DISABLE_CHANGE_LOGIN_URL defined\n";
190	}
191	if ( defined( 'RSSSL_LEARNING_MODE' ) ) {
192	$output .= "RSSSL_LEARNING_MODE defined\n";
193	}
194	if ( defined( 'RSSSL_DEACTIVATING_ALTERNATE' ) ) {
195	$output .= "RSSSL_DEACTIVATING_ALTERNATE defined\n";
196	}
197	if ( defined( 'RSSSL_UPGRADING_TO_PRO' ) ) {
198	$output .= "RSSSL_UPGRADING_TO_PRO defined\n";
199	}
200
201	if ( ! defined( 'RSSSL_FORCE_ACTIVATE' )
202	&& ! defined( 'RSSSL_NO_FLUSH' )
203	&& ! defined( 'RSSSL_DISMISS_ACTIVATE_SSL_NOTICE' )
204	&& ! defined( 'RSSSL_SAFE_MODE' )
205	&& ! defined( 'RSSSL_SERVER_OVERRIDE' )
206	&& ! defined( 'rsssl_no_rest_api_redirect' )
207	&& ! defined( 'rsssl_no_wp_redirect' )
208	&& ! defined( 'RSSSL_CONTENT_FIXER_ON_INIT' )
209	&& ! defined( 'FORCE_SSL_ADMIN' )
210	&& ! defined( 'RSSSL_CSP_MAX_REQUESTS' )
211	&& ! defined( 'RSSSL_DISABLE_CHANGE_LOGIN_URL' )
212	&& ! defined( 'RSSSL_LEARNING_MODE' )
213	&& ! defined( 'RSSSL_DEACTIVATING_ALTERNATE' )
214	&& ! defined( 'RSSSL_UPGRADING_TO_PRO' )
215	) {
216	$output .= "No constants defined\n";
217	}
218
219	$output .= "\n";
220
221	$output .= "rsssl_options:\n";
222
223	if ( is_multisite() && rsssl_is_networkwide_active() ) {
224	$stored_options = get_site_option( 'rsssl_options', [] );
225	} else {
226	$stored_options = get_option( 'rsssl_options', [] );
227	}
228
229	unset($stored_options['permissions_policy']);
230	unset($stored_options['upgrade_insecure_requests']);
231	unset($stored_options['x_xss_protection']);
232	unset($stored_options['x_content_type_options']);
233	unset($stored_options['x_frame_options']);
234	unset($stored_options['referrer_policy']);
235	unset($stored_options['content_security_policy']);
236	unset($stored_options['xmlrpc_status_lm_enabled_once']);
237	unset($stored_options['csp_status_lm_enabled_once']);
238	unset($stored_options['csp_frame_ancestors_urls']);
239	unset($stored_options['file_change_exclusions']);
240	unset($stored_options['license']);
241	unset($stored_options['cross_origin_opener_policy']);
242	unset($stored_options['cross_origin_resource_policy']);
243	unset($stored_options['cross_origin_embedder_policy']);
244
245
246	$output .= print_r( $stored_options, true ) . "\n\n";
247
248	$output .= "Installed plugins:\n";
249	$output .= rsssl_system_status_get_installed_plugins() . "\n\n";
250
251	if ( rsssl_get_option( 'enable_firewall' ) == 1 ) {
252	$output .= "Blocked regions firewall: \n";
253	$output .= rsssl_system_status_get_blocked_countries_firewall() . "\n\n";
254
255	$output .= "Whitelist firewall: \n";
256	$output .= rsssl_system_status_get_whitelist() . "\n\n";
257
258	$output .= "Blocked IPs firewall: \n";
259	$output .= rsssl_system_status_get_blocked_ips() . "\n\n";
260	}
261
262	if ( rsssl_get_option("enable_limited_login_attempts") == 1 ) {
263	$output .= "Blocked regions LLA: \n";
264	$output .= rsssl_system_status_get_blocked_countries_lla() . "\n\n";
265
266	$output .= "Blocked users LLA: \n";
267	$output .= rsssl_system_status_get_blocked_users_lla() . "\n\n";
268
269	$output .= "Blocked ips LLA: \n";
270	$output .= rsssl_system_status_get_blocked_ips_lla() . "\n\n";
271	}
272
273	if ( rsssl_get_option( 'login_protection_enabled' ) == 1 ) {
274	$output .= "Users with 2FA enabled: \n";
275	$output .= rsssl_system_status_get_2fa_users() . "\n\n";
276	}
277
278	return $output;
279	}
280
281	if ( rsssl_user_can_manage() && isset( $_GET['download'] ) ) {
282	$rsssl_content = rsssl_get_system_status();
283	$rsssl_fsize = function_exists( 'mb_strlen' ) ? mb_strlen( $rsssl_content, '8bit' ) : strlen( $rsssl_content );
284	$rsssl_file_name = 'really-simple-ssl-system-status.txt';
285
286	//direct download
287	header( 'Content-type: application/octet-stream' );
288	header( 'Content-Disposition: attachment; filename="' . $rsssl_file_name . '"' );
289	//open in browser
290	//header("Content-Disposition: inline; filename=\"".$file_name."\"");
291	header( "Content-length: $rsssl_fsize" );
292	header( 'Cache-Control: private', false ); // required for certain browsers
293	header( 'Pragma: public' ); // required
294	header( 'Expires: 0' );
295	header( 'Cache-Control: must-revalidate, post-check=0, pre-check=0' );
296	header( 'Content-Transfer-Encoding: binary' );
297	echo $rsssl_content;
298	}
299
300	function rsssl_find_wordpress_base_path() {
301	$path = __DIR__;
302
303	// Check for Bitnami WordPress installation
304	if ( isset( $_SERVER['DOCUMENT_ROOT'] ) && $_SERVER['DOCUMENT_ROOT'] === '/opt/bitnami/wordpress' ) {
305	return '/opt/bitnami/wordpress';
306	}
307
308	// Go up the directory tree looking for wp-load.php
309	// This file is ALWAYS in the WordPress root
310	$max_depth = 10; // Prevent infinite loops
311	$current_depth = 0;
312
313	while ( ! file_exists( $path . '/wp-load.php' ) ) {
314	if ( ++ $current_depth > $max_depth ) {
315	break;
316	}
317
318	$parent = dirname( $path );
319	if ( $parent === $path ) {
320	// We've reached the filesystem root
321	break;
322	}
323	$path = $parent;
324	}
325
326	// If we found wp-load.php, return the path
327	if ( file_exists( $path . '/wp-load.php' ) ) {
328	return $path;
329	}
330
331	return false;
332	}
333
334	function rsssl_system_status_get_installed_plugins() {
335	if ( ! current_user_can( 'manage_security' ) ) {
336	return;
337	}
338
339	// Load the plugin admin functions
340	if ( ! function_exists( 'get_plugins' ) ) {
341	require_once ABSPATH . 'wp-admin/includes/plugin.php';
342	}
343
344	// Get the list of all installed plugins
345	$all_plugins = get_plugins();
346	$plugin_list = array();
347
348	// Loop through plugins to format the list with name and version
349	foreach ( $all_plugins as $plugin_path => $plugin_data ) {
350	$plugin_list[] = $plugin_data['Name'] . ' (' . $plugin_data['Version'] . ')';
351	}
352
353	// Return the list as a comma-separated string
354	return implode( ', ', $plugin_list );
355	}
356
357	function rsssl_system_status_get_blocked_countries_firewall() {
358
359	if ( ! current_user_can( 'manage_security' ) ) {
360	return;
361	}
362
363	global $wpdb;
364	$table_name = $wpdb->base_prefix . 'rsssl_geo_block';
365	$query_string = $wpdb->prepare(
366	"SELECT iso2_code FROM {$table_name} WHERE data_type = %s AND ip_address is NULL",
367	'country'
368	);
369	// phpcs:ignore
370	$result = $wpdb->get_results( $query_string );
371	$column_results = array_column( $result, 'iso2_code' );
372
373	return implode( ',', $column_results );
374	}
375
376	function rsssl_system_status_get_whitelist() {
377
378	if ( ! current_user_can( 'manage_security' ) ) {
379	return;
380	}
381
382	global $wpdb;
383	$table_name = $wpdb->base_prefix . 'rsssl_geo_block';
384	$query_string = $wpdb->prepare(
385	"SELECT ip_address FROM {$table_name} WHERE data_type = %s",
386	'trusted'
387	);
388	// phpcs:ignore
389	$result = $wpdb->get_results( $query_string );
390	$column_results = array_column( $result, 'ip_address' );
391
392	return implode( ',', $column_results );
393
394	}
395
396	function rsssl_system_status_get_blocked_countries_lla() {
397
398	if ( ! current_user_can( 'manage_security' ) ) {
399	return;
400	}
401
402	global $wpdb;
403	$table_name = $wpdb->base_prefix . 'rsssl_login_attempts';
404
405	// Query to get all the blocked countries from the login attempts table where attempt_type is 'country'
406	$query_string = $wpdb->prepare(
407	"SELECT attempt_value FROM {$table_name} WHERE attempt_type = %s AND status = %s",
408	'country', 'blocked'
409	);
410
411	// phpcs:ignore
412	$result = $wpdb->get_results( $query_string );
413	$column_results = array_column( $result, 'attempt_value' );
414
415	if ( empty( $column_results ) ) {
416	return "No blocked countries found.";
417	}
418
419	return implode( ',', $column_results );
420	}
421
422	function rsssl_system_status_get_blocked_ips() {
423	if ( ! current_user_can( 'manage_security' ) ) {
424	return '';
425	}
426
427	$output = '';
428
429	global $wpdb;
430	$sql = $wpdb->prepare(
431	"SELECT ip_address FROM {$wpdb->base_prefix}rsssl_geo_block WHERE blocked = %d AND data_type = %s",
432	1,
433	'404'
434	);
435
436	$results = $wpdb->get_results( $sql, ARRAY_A );
437
438	if ( empty( $results ) ) {
439	return "No blocked IPs found.";
440	}
441
442	foreach ( $results as $row ) {
443	$output .= $row['ip_address'] . "\n";
444	}
445
446	return $output;
447	}
448
449	function rsssl_system_status_get_blocked_users_lla() {
450	if ( ! current_user_can( 'manage_security' ) ) {
451	return;
452	}
453
454	global $wpdb;
455	$table_name = $wpdb->base_prefix . 'rsssl_login_attempts';
456
457	// Query to get all blocked users from login attempts where attempt_type is 'username'
458	$query_string = $wpdb->prepare(
459	"SELECT attempt_value FROM {$table_name} WHERE attempt_type = %s AND status = %s",
460	'username', 'blocked'
461	);
462
463	// phpcs:ignore
464	$result = $wpdb->get_results( $query_string );
465	$column_results = array_column( $result, 'attempt_value' );
466
467	if ( empty( $column_results ) ) {
468	return "No blocked users found.";
469	}
470
471	return implode( ',', $column_results );
472	}
473
474	function rsssl_system_status_get_blocked_ips_lla() {
475	if ( ! current_user_can( 'manage_security' ) ) {
476	return;
477	}
478
479	global $wpdb;
480	$table_name = $wpdb->base_prefix . 'rsssl_login_attempts';
481
482	// Query to get blocked single IPs (without CIDR notation) from login attempts
483	$query_string = $wpdb->prepare(
484	"SELECT attempt_value FROM {$table_name} WHERE attempt_type = %s AND status = %s AND attempt_value NOT LIKE %s",
485	'source_ip', 'blocked', '%/%'
486	);
487
488	// phpcs:ignore
489	$result = $wpdb->get_results( $query_string );
490	$column_results = array_column( $result, 'attempt_value' );
491
492	if ( empty( $column_results ) ) {
493	return "No blocked users found.";
494	}
495
496	return implode( ',', $column_results );
497	}
498
499	function rsssl_system_status_get_2fa_users() {
500	if ( ! current_user_can( 'manage_security' ) ) {
501	return;
502	}
503
504	global $wpdb;
505
506	// Query to get all users with TOTP or email 2FA status
507	$query = "
508	SELECT user_id, meta_key, meta_value
509	FROM {$wpdb->usermeta}
510	WHERE meta_key IN ('rsssl_two_fa_status_totp', 'rsssl_two_fa_status_email')
511	";
512
513	// Execute the query
514	$results = $wpdb->get_results( $query );
515
516	// If no results, return a message
517	if ( empty( $results ) ) {
518	return 'No users found with 2FA settings.';
519	}
520
521	// Array to store users and their 2FA methods
522	$users_2fa = array();
523
524	// Organize the 2FA status by user
525	foreach ( $results as $row ) {
526	if ( ! isset( $users_2fa[ $row->user_id ] ) ) {
527	$users_2fa[ $row->user_id ] = array(
528	'rsssl_two_fa_status_totp' => '',
529	'rsssl_two_fa_status_email' => '',
530	);
531	}
532
533	// Update TOTP or email 2FA status
534	$users_2fa[ $row->user_id ][ $row->meta_key ] = $row->meta_value;
535	}
536
537	// Prepare output for users with active 2FA methods
538	$output = array();
539	foreach ( $users_2fa as $user_id => $user_data ) {
540	$user_info = get_userdata( $user_id );
541
542	// Determine the active 2FA method
543	if ( $user_data['rsssl_two_fa_status_totp'] === 'active' ) {
544	$output[] = $user_info->user_login . ' - TOTP';
545	} elseif ( $user_data['rsssl_two_fa_status_email'] === 'active' ) {
546	$output[] = $user_info->user_login . ' - Email';
547	}
548	}
549
550	// If no users are found with 2FA, add a note
551	if ( empty( $output ) ) {
552	return 'No users found with 2FA enabled.';
553	}
554
555	// Return a newline-separated list of users and their 2FA statuses
556	return implode( "\n", $output );
557	}
558